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[IPV6]: Fix routing round-robin locking.
[deliverable/linux.git] / drivers / net / tg3.c
CommitLineData
1da177e4
LT		 1/*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
65610fba 7 * Copyright (C) 2005-2007 Broadcom Corporation.
1da177e4
LT		 8 *
9 * Firmware is:
49cabf49
MC		 10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
12 *
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
1da177e4
LT		 16 */
17
1da177e4
LT		 18
19#include <linux/module.h>
20#include <linux/moduleparam.h>
21#include <linux/kernel.h>
22#include <linux/types.h>
23#include <linux/compiler.h>
24#include <linux/slab.h>
25#include <linux/delay.h>
14c85021 26#include <linux/in.h>
1da177e4
LT		 27#include <linux/init.h>
28#include <linux/ioport.h>
29#include <linux/pci.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/ethtool.h>
34#include <linux/mii.h>
35#include <linux/if_vlan.h>
36#include <linux/ip.h>
37#include <linux/tcp.h>
38#include <linux/workqueue.h>
61487480 39#include <linux/prefetch.h>
f9a5f7d3 40#include <linux/dma-mapping.h>
1da177e4
LT		 41
42#include <net/checksum.h>
43
44#include <asm/system.h>
45#include <asm/io.h>
46#include <asm/byteorder.h>
47#include <asm/uaccess.h>
48
49#ifdef CONFIG_SPARC64
50#include <asm/idprom.h>
51#include <asm/oplib.h>
52#include <asm/pbm.h>
53#endif
54
55#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
56#define TG3_VLAN_TAG_USED 1
57#else
58#define TG3_VLAN_TAG_USED 0
59#endif
60
1da177e4 61#define TG3_TSO_SUPPORT 1
1da177e4
LT		 62
63#include "tg3.h"
64
65#define DRV_MODULE_NAME "tg3"
66#define PFX DRV_MODULE_NAME ": "
7f62ad5d
MC		 67#define DRV_MODULE_VERSION "3.74"
68#define DRV_MODULE_RELDATE "February 20, 2007"
1da177e4
LT		 69
70#define TG3_DEF_MAC_MODE 0
71#define TG3_DEF_RX_MODE 0
72#define TG3_DEF_TX_MODE 0
73#define TG3_DEF_MSG_ENABLE \
74 (NETIF_MSG_DRV | \
75 NETIF_MSG_PROBE | \
76 NETIF_MSG_LINK | \
77 NETIF_MSG_TIMER | \
78 NETIF_MSG_IFDOWN | \
79 NETIF_MSG_IFUP | \
80 NETIF_MSG_RX_ERR | \
81 NETIF_MSG_TX_ERR)
82
83/* length of time before we decide the hardware is borked,
84 * and dev->tx_timeout() should be called to fix the problem
85 */
86#define TG3_TX_TIMEOUT (5 * HZ)
87
88/* hardware minimum and maximum for a single frame's data payload */
89#define TG3_MIN_MTU 60
90#define TG3_MAX_MTU(tp) \
0f893dc6 91 ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
1da177e4
LT		 92
93/* These numbers seem to be hard coded in the NIC firmware somehow.
94 * You can't change the ring sizes, but you can change where you place
95 * them in the NIC onboard memory.
96 */
97#define TG3_RX_RING_SIZE 512
98#define TG3_DEF_RX_RING_PENDING 200
99#define TG3_RX_JUMBO_RING_SIZE 256
100#define TG3_DEF_RX_JUMBO_RING_PENDING 100
101
102/* Do not place this n-ring entries value into the tp struct itself,
103 * we really want to expose these constants to GCC so that modulo et
104 * al. operations are done with shifts and masks instead of with
105 * hw multiply/modulo instructions. Another solution would be to
106 * replace things like '% foo' with '& (foo - 1)'.
107 */
108#define TG3_RX_RCB_RING_SIZE(tp) \
109 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
110
111#define TG3_TX_RING_SIZE 512
112#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
113
114#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
115 TG3_RX_RING_SIZE)
116#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
117 TG3_RX_JUMBO_RING_SIZE)
118#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
119 TG3_RX_RCB_RING_SIZE(tp))
120#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
121 TG3_TX_RING_SIZE)
1da177e4
LT		 122#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
123
124#define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
125#define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
126
127/* minimum number of free TX descriptors required to wake up TX process */
42952231 128#define TG3_TX_WAKEUP_THRESH(tp) ((tp)->tx_pending / 4)
1da177e4
LT		 129
130/* number of ETHTOOL_GSTATS u64's */
131#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
132
4cafd3f5
MC		 133#define TG3_NUM_TEST 6
134
1da177e4
LT		 135static char version[] __devinitdata =
136 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
137
138MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
139MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
140MODULE_LICENSE("GPL");
141MODULE_VERSION(DRV_MODULE_VERSION);
142
143static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
144module_param(tg3_debug, int, 0);
145MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
146
147static struct pci_device_id tg3_pci_tbl[] = {
13185217
HK		 148 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
149 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
150 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
151 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
152 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
153 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
154 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
155 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
156 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
157 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
158 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
159 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
160 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
161 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
162 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
163 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
164 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
165 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
166 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
167 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
168 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
169 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
170 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
171 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
126a3368 172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
13185217
HK		 173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
126a3368 187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
13185217
HK		 188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
676917d4 191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
13185217
HK		 192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
b5d3772c
MC		 199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
13185217
HK		 201 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
202 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
203 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
204 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
205 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
206 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
207 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
208 {}
1da177e4
LT		 209};
210
211MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
212
50da859d 213static const struct {
1da177e4
LT		 214 const char string[ETH_GSTRING_LEN];
215} ethtool_stats_keys[TG3_NUM_STATS] = {
216 { "rx_octets" },
217 { "rx_fragments" },
218 { "rx_ucast_packets" },
219 { "rx_mcast_packets" },
220 { "rx_bcast_packets" },
221 { "rx_fcs_errors" },
222 { "rx_align_errors" },
223 { "rx_xon_pause_rcvd" },
224 { "rx_xoff_pause_rcvd" },
225 { "rx_mac_ctrl_rcvd" },
226 { "rx_xoff_entered" },
227 { "rx_frame_too_long_errors" },
228 { "rx_jabbers" },
229 { "rx_undersize_packets" },
230 { "rx_in_length_errors" },
231 { "rx_out_length_errors" },
232 { "rx_64_or_less_octet_packets" },
233 { "rx_65_to_127_octet_packets" },
234 { "rx_128_to_255_octet_packets" },
235 { "rx_256_to_511_octet_packets" },
236 { "rx_512_to_1023_octet_packets" },
237 { "rx_1024_to_1522_octet_packets" },
238 { "rx_1523_to_2047_octet_packets" },
239 { "rx_2048_to_4095_octet_packets" },
240 { "rx_4096_to_8191_octet_packets" },
241 { "rx_8192_to_9022_octet_packets" },
242
243 { "tx_octets" },
244 { "tx_collisions" },
245
246 { "tx_xon_sent" },
247 { "tx_xoff_sent" },
248 { "tx_flow_control" },
249 { "tx_mac_errors" },
250 { "tx_single_collisions" },
251 { "tx_mult_collisions" },
252 { "tx_deferred" },
253 { "tx_excessive_collisions" },
254 { "tx_late_collisions" },
255 { "tx_collide_2times" },
256 { "tx_collide_3times" },
257 { "tx_collide_4times" },
258 { "tx_collide_5times" },
259 { "tx_collide_6times" },
260 { "tx_collide_7times" },
261 { "tx_collide_8times" },
262 { "tx_collide_9times" },
263 { "tx_collide_10times" },
264 { "tx_collide_11times" },
265 { "tx_collide_12times" },
266 { "tx_collide_13times" },
267 { "tx_collide_14times" },
268 { "tx_collide_15times" },
269 { "tx_ucast_packets" },
270 { "tx_mcast_packets" },
271 { "tx_bcast_packets" },
272 { "tx_carrier_sense_errors" },
273 { "tx_discards" },
274 { "tx_errors" },
275
276 { "dma_writeq_full" },
277 { "dma_write_prioq_full" },
278 { "rxbds_empty" },
279 { "rx_discards" },
280 { "rx_errors" },
281 { "rx_threshold_hit" },
282
283 { "dma_readq_full" },
284 { "dma_read_prioq_full" },
285 { "tx_comp_queue_full" },
286
287 { "ring_set_send_prod_index" },
288 { "ring_status_update" },
289 { "nic_irqs" },
290 { "nic_avoided_irqs" },
291 { "nic_tx_threshold_hit" }
292};
293
50da859d 294static const struct {
4cafd3f5
MC		 295 const char string[ETH_GSTRING_LEN];
296} ethtool_test_keys[TG3_NUM_TEST] = {
297 { "nvram test (online) " },
298 { "link test (online) " },
299 { "register test (offline)" },
300 { "memory test (offline)" },
301 { "loopback test (offline)" },
302 { "interrupt test (offline)" },
303};
304
b401e9e2
MC		 305static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
306{
307 writel(val, tp->regs + off);
308}
309
310static u32 tg3_read32(struct tg3 *tp, u32 off)
311{
6aa20a22 312 return (readl(tp->regs + off));
b401e9e2
MC		 313}
314
1da177e4
LT		 315static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
316{
6892914f
MC		 317 unsigned long flags;
318
319 spin_lock_irqsave(&tp->indirect_lock, flags);
1ee582d8
MC		 320 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
321 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
6892914f 322 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1ee582d8
MC		 323}
324
325static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
326{
327 writel(val, tp->regs + off);
328 readl(tp->regs + off);
1da177e4
LT		 329}
330
6892914f 331static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
1da177e4 332{
6892914f
MC		 333 unsigned long flags;
334 u32 val;
335
336 spin_lock_irqsave(&tp->indirect_lock, flags);
337 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
338 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
339 spin_unlock_irqrestore(&tp->indirect_lock, flags);
340 return val;
341}
342
343static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
344{
345 unsigned long flags;
346
347 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
348 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
349 TG3_64BIT_REG_LOW, val);
350 return;
351 }
352 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
353 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
354 TG3_64BIT_REG_LOW, val);
355 return;
1da177e4 356 }
6892914f
MC		 357
358 spin_lock_irqsave(&tp->indirect_lock, flags);
359 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
360 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
361 spin_unlock_irqrestore(&tp->indirect_lock, flags);
362
363 /* In indirect mode when disabling interrupts, we also need
364 * to clear the interrupt bit in the GRC local ctrl register.
365 */
366 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
367 (val == 0x1)) {
368 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
369 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
370 }
371}
372
373static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
374{
375 unsigned long flags;
376 u32 val;
377
378 spin_lock_irqsave(&tp->indirect_lock, flags);
379 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
380 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
381 spin_unlock_irqrestore(&tp->indirect_lock, flags);
382 return val;
383}
384
b401e9e2
MC		 385/* usec_wait specifies the wait time in usec when writing to certain registers
386 * where it is unsafe to read back the register without some delay.
387 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
388 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
389 */
390static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
6892914f 391{
b401e9e2
MC		 392 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
393 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
394 /* Non-posted methods */
395 tp->write32(tp, off, val);
396 else {
397 /* Posted method */
398 tg3_write32(tp, off, val);
399 if (usec_wait)
400 udelay(usec_wait);
401 tp->read32(tp, off);
402 }
403 /* Wait again after the read for the posted method to guarantee that
404 * the wait time is met.
405 */
406 if (usec_wait)
407 udelay(usec_wait);
1da177e4
LT		 408}
409
09ee929c
MC		 410static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
411{
412 tp->write32_mbox(tp, off, val);
6892914f
MC		 413 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
414 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
415 tp->read32_mbox(tp, off);
09ee929c
MC		 416}
417
20094930 418static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
1da177e4
LT		 419{
420 void __iomem *mbox = tp->regs + off;
421 writel(val, mbox);
422 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
423 writel(val, mbox);
424 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
425 readl(mbox);
426}
427
b5d3772c
MC		 428static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
429{
430 return (readl(tp->regs + off + GRCMBOX_BASE));
431}
432
433static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
434{
435 writel(val, tp->regs + off + GRCMBOX_BASE);
436}
437
20094930 438#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
09ee929c 439#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
20094930
MC		 440#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
441#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
09ee929c 442#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
20094930
MC		 443
444#define tw32(reg,val) tp->write32(tp, reg, val)
b401e9e2
MC		 445#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
446#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
20094930 447#define tr32(reg) tp->read32(tp, reg)
1da177e4
LT		 448
449static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
450{
6892914f
MC		 451 unsigned long flags;
452
b5d3772c
MC		 453 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
454 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
455 return;
456
6892914f 457 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 458 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
459 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
460 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 461
bbadf503
MC		 462 /* Always leave this as zero. */
463 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
464 } else {
465 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
466 tw32_f(TG3PCI_MEM_WIN_DATA, val);
28fbef78 467
bbadf503
MC		 468 /* Always leave this as zero. */
469 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
470 }
471 spin_unlock_irqrestore(&tp->indirect_lock, flags);
758a6139
DM		 472}
473
1da177e4
LT		 474static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
475{
6892914f
MC		 476 unsigned long flags;
477
b5d3772c
MC		 478 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
479 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
480 *val = 0;
481 return;
482 }
483
6892914f 484 spin_lock_irqsave(&tp->indirect_lock, flags);
bbadf503
MC		 485 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
486 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
487 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 488
bbadf503
MC		 489 /* Always leave this as zero. */
490 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
491 } else {
492 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
493 *val = tr32(TG3PCI_MEM_WIN_DATA);
494
495 /* Always leave this as zero. */
496 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
497 }
6892914f 498 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 499}
500
501static void tg3_disable_ints(struct tg3 *tp)
502{
503 tw32(TG3PCI_MISC_HOST_CTRL,
504 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c 505 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
1da177e4
LT		 506}
507
508static inline void tg3_cond_int(struct tg3 *tp)
509{
38f3843e
MC		 510 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
511 (tp->hw_status->status & SD_STATUS_UPDATED))
1da177e4 512 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
b5d3772c
MC		 513 else
514 tw32(HOSTCC_MODE, tp->coalesce_mode |
515 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 516}
517
518static void tg3_enable_ints(struct tg3 *tp)
519{
bbe832c0
MC		 520 tp->irq_sync = 0;
521 wmb();
522
1da177e4
LT		 523 tw32(TG3PCI_MISC_HOST_CTRL,
524 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
09ee929c
MC		 525 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
526 (tp->last_tag << 24));
fcfa0a32
MC		 527 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
528 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
529 (tp->last_tag << 24));
1da177e4
LT		 530 tg3_cond_int(tp);
531}
532
04237ddd
MC		 533static inline unsigned int tg3_has_work(struct tg3 *tp)
534{
535 struct tg3_hw_status *sblk = tp->hw_status;
536 unsigned int work_exists = 0;
537
538 /* check for phy events */
539 if (!(tp->tg3_flags &
540 (TG3_FLAG_USE_LINKCHG_REG |
541 TG3_FLAG_POLL_SERDES))) {
542 if (sblk->status & SD_STATUS_LINK_CHG)
543 work_exists = 1;
544 }
545 /* check for RX/TX work to do */
546 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
547 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
548 work_exists = 1;
549
550 return work_exists;
551}
552
1da177e4 553/* tg3_restart_ints
04237ddd
MC		 554 * similar to tg3_enable_ints, but it accurately determines whether there
555 * is new work pending and can return without flushing the PIO write
6aa20a22 556 * which reenables interrupts
1da177e4
LT		 557 */
558static void tg3_restart_ints(struct tg3 *tp)
559{
fac9b83e
DM		 560 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
561 tp->last_tag << 24);
1da177e4
LT		 562 mmiowb();
563
fac9b83e
DM		 564 /* When doing tagged status, this work check is unnecessary.
565 * The last_tag we write above tells the chip which piece of
566 * work we've completed.
567 */
568 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
569 tg3_has_work(tp))
04237ddd
MC		 570 tw32(HOSTCC_MODE, tp->coalesce_mode |
571 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
1da177e4
LT		 572}
573
574static inline void tg3_netif_stop(struct tg3 *tp)
575{
bbe832c0 576 tp->dev->trans_start = jiffies; /* prevent tx timeout */
1da177e4
LT		 577 netif_poll_disable(tp->dev);
578 netif_tx_disable(tp->dev);
579}
580
581static inline void tg3_netif_start(struct tg3 *tp)
582{
583 netif_wake_queue(tp->dev);
584 /* NOTE: unconditional netif_wake_queue is only appropriate
585 * so long as all callers are assured to have free tx slots
586 * (such as after tg3_init_hw)
587 */
588 netif_poll_enable(tp->dev);
f47c11ee
DM		 589 tp->hw_status->status |= SD_STATUS_UPDATED;
590 tg3_enable_ints(tp);
1da177e4
LT		 591}
592
593static void tg3_switch_clocks(struct tg3 *tp)
594{
595 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
596 u32 orig_clock_ctrl;
597
a4e2b347 598 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4cf78e4f
MC		 599 return;
600
1da177e4
LT		 601 orig_clock_ctrl = clock_ctrl;
602 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
603 CLOCK_CTRL_CLKRUN_OENABLE |
604 0x1f);
605 tp->pci_clock_ctrl = clock_ctrl;
606
607 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
608 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
b401e9e2
MC		 609 tw32_wait_f(TG3PCI_CLOCK_CTRL,
610 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
1da177e4
LT		 611 }
612 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
b401e9e2
MC		 613 tw32_wait_f(TG3PCI_CLOCK_CTRL,
614 clock_ctrl |
615 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
616 40);
617 tw32_wait_f(TG3PCI_CLOCK_CTRL,
618 clock_ctrl | (CLOCK_CTRL_ALTCLK),
619 40);
1da177e4 620 }
b401e9e2 621 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
1da177e4
LT		 622}
623
624#define PHY_BUSY_LOOPS 5000
625
626static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
627{
628 u32 frame_val;
629 unsigned int loops;
630 int ret;
631
632 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
633 tw32_f(MAC_MI_MODE,
634 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
635 udelay(80);
636 }
637
638 *val = 0x0;
639
640 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
641 MI_COM_PHY_ADDR_MASK);
642 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
643 MI_COM_REG_ADDR_MASK);
644 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
6aa20a22 645
1da177e4
LT		 646 tw32_f(MAC_MI_COM, frame_val);
647
648 loops = PHY_BUSY_LOOPS;
649 while (loops != 0) {
650 udelay(10);
651 frame_val = tr32(MAC_MI_COM);
652
653 if ((frame_val & MI_COM_BUSY) == 0) {
654 udelay(5);
655 frame_val = tr32(MAC_MI_COM);
656 break;
657 }
658 loops -= 1;
659 }
660
661 ret = -EBUSY;
662 if (loops != 0) {
663 *val = frame_val & MI_COM_DATA_MASK;
664 ret = 0;
665 }
666
667 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
668 tw32_f(MAC_MI_MODE, tp->mi_mode);
669 udelay(80);
670 }
671
672 return ret;
673}
674
675static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
676{
677 u32 frame_val;
678 unsigned int loops;
679 int ret;
680
b5d3772c
MC		 681 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
682 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
683 return 0;
684
1da177e4
LT		 685 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
686 tw32_f(MAC_MI_MODE,
687 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
688 udelay(80);
689 }
690
691 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
692 MI_COM_PHY_ADDR_MASK);
693 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
694 MI_COM_REG_ADDR_MASK);
695 frame_val |= (val & MI_COM_DATA_MASK);
696 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
6aa20a22 697
1da177e4
LT		 698 tw32_f(MAC_MI_COM, frame_val);
699
700 loops = PHY_BUSY_LOOPS;
701 while (loops != 0) {
702 udelay(10);
703 frame_val = tr32(MAC_MI_COM);
704 if ((frame_val & MI_COM_BUSY) == 0) {
705 udelay(5);
706 frame_val = tr32(MAC_MI_COM);
707 break;
708 }
709 loops -= 1;
710 }
711
712 ret = -EBUSY;
713 if (loops != 0)
714 ret = 0;
715
716 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
717 tw32_f(MAC_MI_MODE, tp->mi_mode);
718 udelay(80);
719 }
720
721 return ret;
722}
723
724static void tg3_phy_set_wirespeed(struct tg3 *tp)
725{
726 u32 val;
727
728 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
729 return;
730
731 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
732 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
733 tg3_writephy(tp, MII_TG3_AUX_CTRL,
734 (val | (1 << 15) | (1 << 4)));
735}
736
737static int tg3_bmcr_reset(struct tg3 *tp)
738{
739 u32 phy_control;
740 int limit, err;
741
742 /* OK, reset it, and poll the BMCR_RESET bit until it
743 * clears or we time out.
744 */
745 phy_control = BMCR_RESET;
746 err = tg3_writephy(tp, MII_BMCR, phy_control);
747 if (err != 0)
748 return -EBUSY;
749
750 limit = 5000;
751 while (limit--) {
752 err = tg3_readphy(tp, MII_BMCR, &phy_control);
753 if (err != 0)
754 return -EBUSY;
755
756 if ((phy_control & BMCR_RESET) == 0) {
757 udelay(40);
758 break;
759 }
760 udelay(10);
761 }
762 if (limit <= 0)
763 return -EBUSY;
764
765 return 0;
766}
767
768static int tg3_wait_macro_done(struct tg3 *tp)
769{
770 int limit = 100;
771
772 while (limit--) {
773 u32 tmp32;
774
775 if (!tg3_readphy(tp, 0x16, &tmp32)) {
776 if ((tmp32 & 0x1000) == 0)
777 break;
778 }
779 }
780 if (limit <= 0)
781 return -EBUSY;
782
783 return 0;
784}
785
786static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
787{
788 static const u32 test_pat[4][6] = {
789 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
790 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
791 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
792 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
793 };
794 int chan;
795
796 for (chan = 0; chan < 4; chan++) {
797 int i;
798
799 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
800 (chan * 0x2000) | 0x0200);
801 tg3_writephy(tp, 0x16, 0x0002);
802
803 for (i = 0; i < 6; i++)
804 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
805 test_pat[chan][i]);
806
807 tg3_writephy(tp, 0x16, 0x0202);
808 if (tg3_wait_macro_done(tp)) {
809 *resetp = 1;
810 return -EBUSY;
811 }
812
813 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
814 (chan * 0x2000) | 0x0200);
815 tg3_writephy(tp, 0x16, 0x0082);
816 if (tg3_wait_macro_done(tp)) {
817 *resetp = 1;
818 return -EBUSY;
819 }
820
821 tg3_writephy(tp, 0x16, 0x0802);
822 if (tg3_wait_macro_done(tp)) {
823 *resetp = 1;
824 return -EBUSY;
825 }
826
827 for (i = 0; i < 6; i += 2) {
828 u32 low, high;
829
830 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
831 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
832 tg3_wait_macro_done(tp)) {
833 *resetp = 1;
834 return -EBUSY;
835 }
836 low &= 0x7fff;
837 high &= 0x000f;
838 if (low != test_pat[chan][i] ||
839 high != test_pat[chan][i+1]) {
840 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
841 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
842 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
843
844 return -EBUSY;
845 }
846 }
847 }
848
849 return 0;
850}
851
852static int tg3_phy_reset_chanpat(struct tg3 *tp)
853{
854 int chan;
855
856 for (chan = 0; chan < 4; chan++) {
857 int i;
858
859 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
860 (chan * 0x2000) | 0x0200);
861 tg3_writephy(tp, 0x16, 0x0002);
862 for (i = 0; i < 6; i++)
863 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
864 tg3_writephy(tp, 0x16, 0x0202);
865 if (tg3_wait_macro_done(tp))
866 return -EBUSY;
867 }
868
869 return 0;
870}
871
872static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
873{
874 u32 reg32, phy9_orig;
875 int retries, do_phy_reset, err;
876
877 retries = 10;
878 do_phy_reset = 1;
879 do {
880 if (do_phy_reset) {
881 err = tg3_bmcr_reset(tp);
882 if (err)
883 return err;
884 do_phy_reset = 0;
885 }
886
887 /* Disable transmitter and interrupt. */
888 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
889 continue;
890
891 reg32 |= 0x3000;
892 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
893
894 /* Set full-duplex, 1000 mbps. */
895 tg3_writephy(tp, MII_BMCR,
896 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
897
898 /* Set to master mode. */
899 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
900 continue;
901
902 tg3_writephy(tp, MII_TG3_CTRL,
903 (MII_TG3_CTRL_AS_MASTER |
904 MII_TG3_CTRL_ENABLE_AS_MASTER));
905
906 /* Enable SM_DSP_CLOCK and 6dB. */
907 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
908
909 /* Block the PHY control access. */
910 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
911 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
912
913 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
914 if (!err)
915 break;
916 } while (--retries);
917
918 err = tg3_phy_reset_chanpat(tp);
919 if (err)
920 return err;
921
922 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
923 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
924
925 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
926 tg3_writephy(tp, 0x16, 0x0000);
927
928 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
929 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
930 /* Set Extended packet length bit for jumbo frames */
931 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
932 }
933 else {
934 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
935 }
936
937 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
938
939 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
940 reg32 &= ~0x3000;
941 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
942 } else if (!err)
943 err = -EBUSY;
944
945 return err;
946}
947
c8e1e82b
MC		 948static void tg3_link_report(struct tg3 *);
949
1da177e4
LT		 950/* This will reset the tigon3 PHY if there is no valid
951 * link unless the FORCE argument is non-zero.
952 */
953static int tg3_phy_reset(struct tg3 *tp)
954{
955 u32 phy_status;
956 int err;
957
60189ddf
MC		 958 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
959 u32 val;
960
961 val = tr32(GRC_MISC_CFG);
962 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
963 udelay(40);
964 }
1da177e4
LT		 965 err = tg3_readphy(tp, MII_BMSR, &phy_status);
966 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
967 if (err != 0)
968 return -EBUSY;
969
c8e1e82b
MC		 970 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
971 netif_carrier_off(tp->dev);
972 tg3_link_report(tp);
973 }
974
1da177e4
LT		 975 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
976 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
977 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
978 err = tg3_phy_reset_5703_4_5(tp);
979 if (err)
980 return err;
981 goto out;
982 }
983
984 err = tg3_bmcr_reset(tp);
985 if (err)
986 return err;
987
988out:
989 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
990 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
991 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
992 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
993 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
994 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
995 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
996 }
997 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
998 tg3_writephy(tp, 0x1c, 0x8d68);
999 tg3_writephy(tp, 0x1c, 0x8d68);
1000 }
1001 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1002 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1003 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1004 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1005 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1006 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1007 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1008 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1009 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1010 }
c424cb24
MC		 1011 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1012 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1013 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
c1d2a196
MC		 1014 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1015 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1016 tg3_writephy(tp, MII_TG3_TEST1,
1017 MII_TG3_TEST1_TRIM_EN | 0x4);
1018 } else
1019 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
c424cb24
MC		 1020 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1021 }
1da177e4
LT		 1022 /* Set Extended packet length bit (bit 14) on all chips that */
1023 /* support jumbo frames */
1024 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1025 /* Cannot do read-modify-write on 5401 */
1026 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
0f893dc6 1027 } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1028 u32 phy_reg;
1029
1030 /* Set bit 14 with read-modify-write to preserve other bits */
1031 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1032 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1033 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1034 }
1035
1036 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1037 * jumbo frames transmission.
1038 */
0f893dc6 1039 if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1da177e4
LT		 1040 u32 phy_reg;
1041
1042 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1043 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1044 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1045 }
1046
715116a1
MC		 1047 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1048 u32 phy_reg;
1049
1050 /* adjust output voltage */
1051 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1052
1053 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
1054 u32 phy_reg2;
1055
1056 tg3_writephy(tp, MII_TG3_EPHY_TEST,
1057 phy_reg | MII_TG3_EPHY_SHADOW_EN);
1058 /* Enable auto-MDIX */
1059 if (!tg3_readphy(tp, 0x10, &phy_reg2))
1060 tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
1061 tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
1062 }
1063 }
1064
1da177e4
LT		 1065 tg3_phy_set_wirespeed(tp);
1066 return 0;
1067}
1068
1069static void tg3_frob_aux_power(struct tg3 *tp)
1070{
1071 struct tg3 *tp_peer = tp;
1072
9d26e213 1073 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1da177e4
LT		 1074 return;
1075
8c2dc7e1
MC		 1076 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1077 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1078 struct net_device *dev_peer;
1079
1080 dev_peer = pci_get_drvdata(tp->pdev_peer);
bc1c7567 1081 /* remove_one() may have been run on the peer. */
8c2dc7e1 1082 if (!dev_peer)
bc1c7567
MC		 1083 tp_peer = tp;
1084 else
1085 tp_peer = netdev_priv(dev_peer);
1da177e4
LT		 1086 }
1087
1da177e4 1088 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
6921d201
MC		 1089 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1090 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1091 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1da177e4
LT		 1092 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1093 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
b401e9e2
MC		 1094 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1095 (GRC_LCLCTRL_GPIO_OE0 |
1096 GRC_LCLCTRL_GPIO_OE1 |
1097 GRC_LCLCTRL_GPIO_OE2 |
1098 GRC_LCLCTRL_GPIO_OUTPUT0 |
1099 GRC_LCLCTRL_GPIO_OUTPUT1),
1100 100);
1da177e4
LT		 1101 } else {
1102 u32 no_gpio2;
dc56b7d4 1103 u32 grc_local_ctrl = 0;
1da177e4
LT		 1104
1105 if (tp_peer != tp &&
1106 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1107 return;
1108
dc56b7d4
MC		 1109 /* Workaround to prevent overdrawing Amps. */
1110 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1111 ASIC_REV_5714) {
1112 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
b401e9e2
MC		 1113 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1114 grc_local_ctrl, 100);
dc56b7d4
MC		 1115 }
1116
1da177e4
LT		 1117 /* On 5753 and variants, GPIO2 cannot be used. */
1118 no_gpio2 = tp->nic_sram_data_cfg &
1119 NIC_SRAM_DATA_CFG_NO_GPIO2;
1120
dc56b7d4 1121 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1da177e4
LT		 1122 GRC_LCLCTRL_GPIO_OE1 |
1123 GRC_LCLCTRL_GPIO_OE2 |
1124 GRC_LCLCTRL_GPIO_OUTPUT1 |
1125 GRC_LCLCTRL_GPIO_OUTPUT2;
1126 if (no_gpio2) {
1127 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1128 GRC_LCLCTRL_GPIO_OUTPUT2);
1129 }
b401e9e2
MC		 1130 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1131 grc_local_ctrl, 100);
1da177e4
LT		 1132
1133 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1134
b401e9e2
MC		 1135 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1136 grc_local_ctrl, 100);
1da177e4
LT		 1137
1138 if (!no_gpio2) {
1139 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
b401e9e2
MC		 1140 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1141 grc_local_ctrl, 100);
1da177e4
LT		 1142 }
1143 }
1144 } else {
1145 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1146 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1147 if (tp_peer != tp &&
1148 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1149 return;
1150
b401e9e2
MC		 1151 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1152 (GRC_LCLCTRL_GPIO_OE1 |
1153 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4 1154
b401e9e2
MC		 1155 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1156 GRC_LCLCTRL_GPIO_OE1, 100);
1da177e4 1157
b401e9e2
MC		 1158 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1159 (GRC_LCLCTRL_GPIO_OE1 |
1160 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1da177e4
LT		 1161 }
1162 }
1163}
1164
1165static int tg3_setup_phy(struct tg3 *, int);
1166
1167#define RESET_KIND_SHUTDOWN 0
1168#define RESET_KIND_INIT 1
1169#define RESET_KIND_SUSPEND 2
1170
1171static void tg3_write_sig_post_reset(struct tg3 *, int);
1172static int tg3_halt_cpu(struct tg3 *, u32);
6921d201
MC		 1173static int tg3_nvram_lock(struct tg3 *);
1174static void tg3_nvram_unlock(struct tg3 *);
1da177e4 1175
15c3b696
MC		 1176static void tg3_power_down_phy(struct tg3 *tp)
1177{
5129724a
MC		 1178 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1179 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1180 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
1181 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
1182
1183 sg_dig_ctrl |=
1184 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
1185 tw32(SG_DIG_CTRL, sg_dig_ctrl);
1186 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
1187 }
3f7045c1 1188 return;
5129724a 1189 }
3f7045c1 1190
60189ddf
MC		 1191 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1192 u32 val;
1193
1194 tg3_bmcr_reset(tp);
1195 val = tr32(GRC_MISC_CFG);
1196 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
1197 udelay(40);
1198 return;
1199 } else {
715116a1
MC		 1200 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1201 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1202 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1203 }
3f7045c1 1204
15c3b696
MC		 1205 /* The PHY should not be powered down on some chips because
1206 * of bugs.
1207 */
1208 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1209 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1210 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1211 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1212 return;
1213 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1214}
1215
bc1c7567 1216static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1da177e4
LT		 1217{
1218 u32 misc_host_ctrl;
1219 u16 power_control, power_caps;
1220 int pm = tp->pm_cap;
1221
1222 /* Make sure register accesses (indirect or otherwise)
1223 * will function correctly.
1224 */
1225 pci_write_config_dword(tp->pdev,
1226 TG3PCI_MISC_HOST_CTRL,
1227 tp->misc_host_ctrl);
1228
1229 pci_read_config_word(tp->pdev,
1230 pm + PCI_PM_CTRL,
1231 &power_control);
1232 power_control |= PCI_PM_CTRL_PME_STATUS;
1233 power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1234 switch (state) {
bc1c7567 1235 case PCI_D0:
1da177e4
LT		 1236 power_control |= 0;
1237 pci_write_config_word(tp->pdev,
1238 pm + PCI_PM_CTRL,
1239 power_control);
8c6bda1a
MC		 1240 udelay(100); /* Delay after power state change */
1241
9d26e213
MC		 1242 /* Switch out of Vaux if it is a NIC */
1243 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
b401e9e2 1244 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1da177e4
LT		 1245
1246 return 0;
1247
bc1c7567 1248 case PCI_D1:
1da177e4
LT		 1249 power_control |= 1;
1250 break;
1251
bc1c7567 1252 case PCI_D2:
1da177e4
LT		 1253 power_control |= 2;
1254 break;
1255
bc1c7567 1256 case PCI_D3hot:
1da177e4
LT		 1257 power_control |= 3;
1258 break;
1259
1260 default:
1261 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1262 "requested.\n",
1263 tp->dev->name, state);
1264 return -EINVAL;
1265 };
1266
1267 power_control |= PCI_PM_CTRL_PME_ENABLE;
1268
1269 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1270 tw32(TG3PCI_MISC_HOST_CTRL,
1271 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1272
1273 if (tp->link_config.phy_is_low_power == 0) {
1274 tp->link_config.phy_is_low_power = 1;
1275 tp->link_config.orig_speed = tp->link_config.speed;
1276 tp->link_config.orig_duplex = tp->link_config.duplex;
1277 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1278 }
1279
747e8f8b 1280 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 1281 tp->link_config.speed = SPEED_10;
1282 tp->link_config.duplex = DUPLEX_HALF;
1283 tp->link_config.autoneg = AUTONEG_ENABLE;
1284 tg3_setup_phy(tp, 0);
1285 }
1286
b5d3772c
MC		 1287 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1288 u32 val;
1289
1290 val = tr32(GRC_VCPU_EXT_CTRL);
1291 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1292 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
6921d201
MC		 1293 int i;
1294 u32 val;
1295
1296 for (i = 0; i < 200; i++) {
1297 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1298 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1299 break;
1300 msleep(1);
1301 }
1302 }
1303 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1304 WOL_DRV_STATE_SHUTDOWN |
1305 WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1306
1da177e4
LT		 1307 pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1308
1309 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1310 u32 mac_mode;
1311
1312 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1313 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1314 udelay(40);
1315
3f7045c1
MC		 1316 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1317 mac_mode = MAC_MODE_PORT_MODE_GMII;
1318 else
1319 mac_mode = MAC_MODE_PORT_MODE_MII;
1da177e4
LT		 1320
1321 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1322 !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1323 mac_mode |= MAC_MODE_LINK_POLARITY;
1324 } else {
1325 mac_mode = MAC_MODE_PORT_MODE_TBI;
1326 }
1327
cbf46853 1328 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1da177e4
LT		 1329 tw32(MAC_LED_CTRL, tp->led_ctrl);
1330
1331 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1332 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1333 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1334
1335 tw32_f(MAC_MODE, mac_mode);
1336 udelay(100);
1337
1338 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1339 udelay(10);
1340 }
1341
1342 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1343 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1344 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1345 u32 base_val;
1346
1347 base_val = tp->pci_clock_ctrl;
1348 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1349 CLOCK_CTRL_TXCLK_DISABLE);
1350
b401e9e2
MC		 1351 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1352 CLOCK_CTRL_PWRDOWN_PLL133, 40);
d7b0a857
MC		 1353 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1354 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
4cf78e4f 1355 /* do nothing */
85e94ced 1356 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1da177e4
LT		 1357 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1358 u32 newbits1, newbits2;
1359
1360 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1361 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1362 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1363 CLOCK_CTRL_TXCLK_DISABLE |
1364 CLOCK_CTRL_ALTCLK);
1365 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1366 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1367 newbits1 = CLOCK_CTRL_625_CORE;
1368 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1369 } else {
1370 newbits1 = CLOCK_CTRL_ALTCLK;
1371 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1372 }
1373
b401e9e2
MC		 1374 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1375 40);
1da177e4 1376
b401e9e2
MC		 1377 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1378 40);
1da177e4
LT		 1379
1380 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1381 u32 newbits3;
1382
1383 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1384 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1385 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1386 CLOCK_CTRL_TXCLK_DISABLE |
1387 CLOCK_CTRL_44MHZ_CORE);
1388 } else {
1389 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1390 }
1391
b401e9e2
MC		 1392 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1393 tp->pci_clock_ctrl | newbits3, 40);
1da177e4
LT		 1394 }
1395 }
1396
6921d201 1397 if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
3f7045c1
MC		 1398 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1399 tg3_power_down_phy(tp);
6921d201 1400
1da177e4
LT		 1401 tg3_frob_aux_power(tp);
1402
1403 /* Workaround for unstable PLL clock */
1404 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1405 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1406 u32 val = tr32(0x7d00);
1407
1408 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1409 tw32(0x7d00, val);
6921d201 1410 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
ec41c7df
MC		 1411 int err;
1412
1413 err = tg3_nvram_lock(tp);
1da177e4 1414 tg3_halt_cpu(tp, RX_CPU_BASE);
ec41c7df
MC		 1415 if (!err)
1416 tg3_nvram_unlock(tp);
6921d201 1417 }
1da177e4
LT		 1418 }
1419
bbadf503
MC		 1420 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1421
1da177e4
LT		 1422 /* Finally, set the new power state. */
1423 pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
8c6bda1a 1424 udelay(100); /* Delay after power state change */
1da177e4 1425
1da177e4
LT		 1426 return 0;
1427}
1428
1429static void tg3_link_report(struct tg3 *tp)
1430{
1431 if (!netif_carrier_ok(tp->dev)) {
9f88f29f
MC		 1432 if (netif_msg_link(tp))
1433 printk(KERN_INFO PFX "%s: Link is down.\n",
1434 tp->dev->name);
1435 } else if (netif_msg_link(tp)) {
1da177e4
LT		 1436 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1437 tp->dev->name,
1438 (tp->link_config.active_speed == SPEED_1000 ?
1439 1000 :
1440 (tp->link_config.active_speed == SPEED_100 ?
1441 100 : 10)),
1442 (tp->link_config.active_duplex == DUPLEX_FULL ?
1443 "full" : "half"));
1444
1445 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1446 "%s for RX.\n",
1447 tp->dev->name,
1448 (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1449 (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1450 }
1451}
1452
1453static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1454{
1455 u32 new_tg3_flags = 0;
1456 u32 old_rx_mode = tp->rx_mode;
1457 u32 old_tx_mode = tp->tx_mode;
1458
1459 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
747e8f8b
MC		 1460
1461 /* Convert 1000BaseX flow control bits to 1000BaseT
1462 * bits before resolving flow control.
1463 */
1464 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1465 local_adv &= ~(ADVERTISE_PAUSE_CAP |
1466 ADVERTISE_PAUSE_ASYM);
1467 remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1468
1469 if (local_adv & ADVERTISE_1000XPAUSE)
1470 local_adv |= ADVERTISE_PAUSE_CAP;
1471 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1472 local_adv |= ADVERTISE_PAUSE_ASYM;
1473 if (remote_adv & LPA_1000XPAUSE)
1474 remote_adv |= LPA_PAUSE_CAP;
1475 if (remote_adv & LPA_1000XPAUSE_ASYM)
1476 remote_adv |= LPA_PAUSE_ASYM;
1477 }
1478
1da177e4
LT		 1479 if (local_adv & ADVERTISE_PAUSE_CAP) {
1480 if (local_adv & ADVERTISE_PAUSE_ASYM) {
1481 if (remote_adv & LPA_PAUSE_CAP)
1482 new_tg3_flags |=
1483 (TG3_FLAG_RX_PAUSE |
1484 TG3_FLAG_TX_PAUSE);
1485 else if (remote_adv & LPA_PAUSE_ASYM)
1486 new_tg3_flags |=
1487 (TG3_FLAG_RX_PAUSE);
1488 } else {
1489 if (remote_adv & LPA_PAUSE_CAP)
1490 new_tg3_flags |=
1491 (TG3_FLAG_RX_PAUSE |
1492 TG3_FLAG_TX_PAUSE);
1493 }
1494 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1495 if ((remote_adv & LPA_PAUSE_CAP) &&
1496 (remote_adv & LPA_PAUSE_ASYM))
1497 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1498 }
1499
1500 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1501 tp->tg3_flags |= new_tg3_flags;
1502 } else {
1503 new_tg3_flags = tp->tg3_flags;
1504 }
1505
1506 if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1507 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1508 else
1509 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1510
1511 if (old_rx_mode != tp->rx_mode) {
1512 tw32_f(MAC_RX_MODE, tp->rx_mode);
1513 }
6aa20a22 1514
1da177e4
LT		 1515 if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1516 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1517 else
1518 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1519
1520 if (old_tx_mode != tp->tx_mode) {
1521 tw32_f(MAC_TX_MODE, tp->tx_mode);
1522 }
1523}
1524
1525static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1526{
1527 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1528 case MII_TG3_AUX_STAT_10HALF:
1529 *speed = SPEED_10;
1530 *duplex = DUPLEX_HALF;
1531 break;
1532
1533 case MII_TG3_AUX_STAT_10FULL:
1534 *speed = SPEED_10;
1535 *duplex = DUPLEX_FULL;
1536 break;
1537
1538 case MII_TG3_AUX_STAT_100HALF:
1539 *speed = SPEED_100;
1540 *duplex = DUPLEX_HALF;
1541 break;
1542
1543 case MII_TG3_AUX_STAT_100FULL:
1544 *speed = SPEED_100;
1545 *duplex = DUPLEX_FULL;
1546 break;
1547
1548 case MII_TG3_AUX_STAT_1000HALF:
1549 *speed = SPEED_1000;
1550 *duplex = DUPLEX_HALF;
1551 break;
1552
1553 case MII_TG3_AUX_STAT_1000FULL:
1554 *speed = SPEED_1000;
1555 *duplex = DUPLEX_FULL;
1556 break;
1557
1558 default:
715116a1
MC		 1559 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1560 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1561 SPEED_10;
1562 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1563 DUPLEX_HALF;
1564 break;
1565 }
1da177e4
LT		 1566 *speed = SPEED_INVALID;
1567 *duplex = DUPLEX_INVALID;
1568 break;
1569 };
1570}
1571
1572static void tg3_phy_copper_begin(struct tg3 *tp)
1573{
1574 u32 new_adv;
1575 int i;
1576
1577 if (tp->link_config.phy_is_low_power) {
1578 /* Entering low power mode. Disable gigabit and
1579 * 100baseT advertisements.
1580 */
1581 tg3_writephy(tp, MII_TG3_CTRL, 0);
1582
1583 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1584 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1585 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1586 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1587
1588 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1589 } else if (tp->link_config.speed == SPEED_INVALID) {
1da177e4
LT		 1590 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1591 tp->link_config.advertising &=
1592 ~(ADVERTISED_1000baseT_Half |
1593 ADVERTISED_1000baseT_Full);
1594
1595 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1596 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1597 new_adv |= ADVERTISE_10HALF;
1598 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1599 new_adv |= ADVERTISE_10FULL;
1600 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1601 new_adv |= ADVERTISE_100HALF;
1602 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1603 new_adv |= ADVERTISE_100FULL;
1604 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1605
1606 if (tp->link_config.advertising &
1607 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1608 new_adv = 0;
1609 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1610 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1611 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1612 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1613 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1614 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1615 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1616 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1617 MII_TG3_CTRL_ENABLE_AS_MASTER);
1618 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1619 } else {
1620 tg3_writephy(tp, MII_TG3_CTRL, 0);
1621 }
1622 } else {
1623 /* Asking for a specific link mode. */
1624 if (tp->link_config.speed == SPEED_1000) {
1625 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1626 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1627
1628 if (tp->link_config.duplex == DUPLEX_FULL)
1629 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1630 else
1631 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1632 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1633 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1634 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1635 MII_TG3_CTRL_ENABLE_AS_MASTER);
1636 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1637 } else {
1638 tg3_writephy(tp, MII_TG3_CTRL, 0);
1639
1640 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1641 if (tp->link_config.speed == SPEED_100) {
1642 if (tp->link_config.duplex == DUPLEX_FULL)
1643 new_adv |= ADVERTISE_100FULL;
1644 else
1645 new_adv |= ADVERTISE_100HALF;
1646 } else {
1647 if (tp->link_config.duplex == DUPLEX_FULL)
1648 new_adv |= ADVERTISE_10FULL;
1649 else
1650 new_adv |= ADVERTISE_10HALF;
1651 }
1652 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1653 }
1654 }
1655
1656 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1657 tp->link_config.speed != SPEED_INVALID) {
1658 u32 bmcr, orig_bmcr;
1659
1660 tp->link_config.active_speed = tp->link_config.speed;
1661 tp->link_config.active_duplex = tp->link_config.duplex;
1662
1663 bmcr = 0;
1664 switch (tp->link_config.speed) {
1665 default:
1666 case SPEED_10:
1667 break;
1668
1669 case SPEED_100:
1670 bmcr |= BMCR_SPEED100;
1671 break;
1672
1673 case SPEED_1000:
1674 bmcr |= TG3_BMCR_SPEED1000;
1675 break;
1676 };
1677
1678 if (tp->link_config.duplex == DUPLEX_FULL)
1679 bmcr |= BMCR_FULLDPLX;
1680
1681 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1682 (bmcr != orig_bmcr)) {
1683 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1684 for (i = 0; i < 1500; i++) {
1685 u32 tmp;
1686
1687 udelay(10);
1688 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1689 tg3_readphy(tp, MII_BMSR, &tmp))
1690 continue;
1691 if (!(tmp & BMSR_LSTATUS)) {
1692 udelay(40);
1693 break;
1694 }
1695 }
1696 tg3_writephy(tp, MII_BMCR, bmcr);
1697 udelay(40);
1698 }
1699 } else {
1700 tg3_writephy(tp, MII_BMCR,
1701 BMCR_ANENABLE | BMCR_ANRESTART);
1702 }
1703}
1704
1705static int tg3_init_5401phy_dsp(struct tg3 *tp)
1706{
1707 int err;
1708
1709 /* Turn off tap power management. */
1710 /* Set Extended packet length bit */
1711 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1712
1713 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1714 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1715
1716 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1717 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1718
1719 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1720 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1721
1722 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1723 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1724
1725 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1726 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1727
1728 udelay(40);
1729
1730 return err;
1731}
1732
3600d918 1733static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1da177e4 1734{
3600d918
MC		 1735 u32 adv_reg, all_mask = 0;
1736
1737 if (mask & ADVERTISED_10baseT_Half)
1738 all_mask |= ADVERTISE_10HALF;
1739 if (mask & ADVERTISED_10baseT_Full)
1740 all_mask |= ADVERTISE_10FULL;
1741 if (mask & ADVERTISED_100baseT_Half)
1742 all_mask |= ADVERTISE_100HALF;
1743 if (mask & ADVERTISED_100baseT_Full)
1744 all_mask |= ADVERTISE_100FULL;
1da177e4
LT		 1745
1746 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1747 return 0;
1748
1da177e4
LT		 1749 if ((adv_reg & all_mask) != all_mask)
1750 return 0;
1751 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1752 u32 tg3_ctrl;
1753
3600d918
MC		 1754 all_mask = 0;
1755 if (mask & ADVERTISED_1000baseT_Half)
1756 all_mask |= ADVERTISE_1000HALF;
1757 if (mask & ADVERTISED_1000baseT_Full)
1758 all_mask |= ADVERTISE_1000FULL;
1759
1da177e4
LT		 1760 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1761 return 0;
1762
1da177e4
LT		 1763 if ((tg3_ctrl & all_mask) != all_mask)
1764 return 0;
1765 }
1766 return 1;
1767}
1768
1769static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1770{
1771 int current_link_up;
1772 u32 bmsr, dummy;
1773 u16 current_speed;
1774 u8 current_duplex;
1775 int i, err;
1776
1777 tw32(MAC_EVENT, 0);
1778
1779 tw32_f(MAC_STATUS,
1780 (MAC_STATUS_SYNC_CHANGED |
1781 MAC_STATUS_CFG_CHANGED |
1782 MAC_STATUS_MI_COMPLETION |
1783 MAC_STATUS_LNKSTATE_CHANGED));
1784 udelay(40);
1785
1786 tp->mi_mode = MAC_MI_MODE_BASE;
1787 tw32_f(MAC_MI_MODE, tp->mi_mode);
1788 udelay(80);
1789
1790 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1791
1792 /* Some third-party PHYs need to be reset on link going
1793 * down.
1794 */
1795 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1796 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1797 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1798 netif_carrier_ok(tp->dev)) {
1799 tg3_readphy(tp, MII_BMSR, &bmsr);
1800 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1801 !(bmsr & BMSR_LSTATUS))
1802 force_reset = 1;
1803 }
1804 if (force_reset)
1805 tg3_phy_reset(tp);
1806
1807 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1808 tg3_readphy(tp, MII_BMSR, &bmsr);
1809 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1810 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1811 bmsr = 0;
1812
1813 if (!(bmsr & BMSR_LSTATUS)) {
1814 err = tg3_init_5401phy_dsp(tp);
1815 if (err)
1816 return err;
1817
1818 tg3_readphy(tp, MII_BMSR, &bmsr);
1819 for (i = 0; i < 1000; i++) {
1820 udelay(10);
1821 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1822 (bmsr & BMSR_LSTATUS)) {
1823 udelay(40);
1824 break;
1825 }
1826 }
1827
1828 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1829 !(bmsr & BMSR_LSTATUS) &&
1830 tp->link_config.active_speed == SPEED_1000) {
1831 err = tg3_phy_reset(tp);
1832 if (!err)
1833 err = tg3_init_5401phy_dsp(tp);
1834 if (err)
1835 return err;
1836 }
1837 }
1838 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1839 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1840 /* 5701 {A0,B0} CRC bug workaround */
1841 tg3_writephy(tp, 0x15, 0x0a75);
1842 tg3_writephy(tp, 0x1c, 0x8c68);
1843 tg3_writephy(tp, 0x1c, 0x8d68);
1844 tg3_writephy(tp, 0x1c, 0x8c68);
1845 }
1846
1847 /* Clear pending interrupts... */
1848 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1849 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1850
1851 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1852 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
715116a1 1853 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1da177e4
LT		 1854 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1855
1856 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1857 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1858 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1859 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1860 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1861 else
1862 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1863 }
1864
1865 current_link_up = 0;
1866 current_speed = SPEED_INVALID;
1867 current_duplex = DUPLEX_INVALID;
1868
1869 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1870 u32 val;
1871
1872 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1873 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1874 if (!(val & (1 << 10))) {
1875 val |= (1 << 10);
1876 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1877 goto relink;
1878 }
1879 }
1880
1881 bmsr = 0;
1882 for (i = 0; i < 100; i++) {
1883 tg3_readphy(tp, MII_BMSR, &bmsr);
1884 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1885 (bmsr & BMSR_LSTATUS))
1886 break;
1887 udelay(40);
1888 }
1889
1890 if (bmsr & BMSR_LSTATUS) {
1891 u32 aux_stat, bmcr;
1892
1893 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1894 for (i = 0; i < 2000; i++) {
1895 udelay(10);
1896 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1897 aux_stat)
1898 break;
1899 }
1900
1901 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1902 &current_speed,
1903 &current_duplex);
1904
1905 bmcr = 0;
1906 for (i = 0; i < 200; i++) {
1907 tg3_readphy(tp, MII_BMCR, &bmcr);
1908 if (tg3_readphy(tp, MII_BMCR, &bmcr))
1909 continue;
1910 if (bmcr && bmcr != 0x7fff)
1911 break;
1912 udelay(10);
1913 }
1914
1915 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1916 if (bmcr & BMCR_ANENABLE) {
1917 current_link_up = 1;
1918
1919 /* Force autoneg restart if we are exiting
1920 * low power mode.
1921 */
3600d918
MC		 1922 if (!tg3_copper_is_advertising_all(tp,
1923 tp->link_config.advertising))
1da177e4
LT		 1924 current_link_up = 0;
1925 } else {
1926 current_link_up = 0;
1927 }
1928 } else {
1929 if (!(bmcr & BMCR_ANENABLE) &&
1930 tp->link_config.speed == current_speed &&
1931 tp->link_config.duplex == current_duplex) {
1932 current_link_up = 1;
1933 } else {
1934 current_link_up = 0;
1935 }
1936 }
1937
1938 tp->link_config.active_speed = current_speed;
1939 tp->link_config.active_duplex = current_duplex;
1940 }
1941
1942 if (current_link_up == 1 &&
1943 (tp->link_config.active_duplex == DUPLEX_FULL) &&
1944 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1945 u32 local_adv, remote_adv;
1946
1947 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1948 local_adv = 0;
1949 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1950
1951 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1952 remote_adv = 0;
1953
1954 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1955
1956 /* If we are not advertising full pause capability,
1957 * something is wrong. Bring the link down and reconfigure.
1958 */
1959 if (local_adv != ADVERTISE_PAUSE_CAP) {
1960 current_link_up = 0;
1961 } else {
1962 tg3_setup_flow_control(tp, local_adv, remote_adv);
1963 }
1964 }
1965relink:
6921d201 1966 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1da177e4
LT		 1967 u32 tmp;
1968
1969 tg3_phy_copper_begin(tp);
1970
1971 tg3_readphy(tp, MII_BMSR, &tmp);
1972 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1973 (tmp & BMSR_LSTATUS))
1974 current_link_up = 1;
1975 }
1976
1977 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1978 if (current_link_up == 1) {
1979 if (tp->link_config.active_speed == SPEED_100 ||
1980 tp->link_config.active_speed == SPEED_10)
1981 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1982 else
1983 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1984 } else
1985 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1986
1987 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1988 if (tp->link_config.active_duplex == DUPLEX_HALF)
1989 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1990
1991 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1992 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1993 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1994 (current_link_up == 1 &&
1995 tp->link_config.active_speed == SPEED_10))
1996 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1997 } else {
1998 if (current_link_up == 1)
1999 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
2000 }
2001
2002 /* ??? Without this setting Netgear GA302T PHY does not
2003 * ??? send/receive packets...
2004 */
2005 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
2006 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
2007 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
2008 tw32_f(MAC_MI_MODE, tp->mi_mode);
2009 udelay(80);
2010 }
2011
2012 tw32_f(MAC_MODE, tp->mac_mode);
2013 udelay(40);
2014
2015 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
2016 /* Polled via timer. */
2017 tw32_f(MAC_EVENT, 0);
2018 } else {
2019 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2020 }
2021 udelay(40);
2022
2023 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
2024 current_link_up == 1 &&
2025 tp->link_config.active_speed == SPEED_1000 &&
2026 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
2027 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
2028 udelay(120);
2029 tw32_f(MAC_STATUS,
2030 (MAC_STATUS_SYNC_CHANGED |
2031 MAC_STATUS_CFG_CHANGED));
2032 udelay(40);
2033 tg3_write_mem(tp,
2034 NIC_SRAM_FIRMWARE_MBOX,
2035 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2036 }
2037
2038 if (current_link_up != netif_carrier_ok(tp->dev)) {
2039 if (current_link_up)
2040 netif_carrier_on(tp->dev);
2041 else
2042 netif_carrier_off(tp->dev);
2043 tg3_link_report(tp);
2044 }
2045
2046 return 0;
2047}
2048
2049struct tg3_fiber_aneginfo {
2050 int state;
2051#define ANEG_STATE_UNKNOWN 0
2052#define ANEG_STATE_AN_ENABLE 1
2053#define ANEG_STATE_RESTART_INIT 2
2054#define ANEG_STATE_RESTART 3
2055#define ANEG_STATE_DISABLE_LINK_OK 4
2056#define ANEG_STATE_ABILITY_DETECT_INIT 5
2057#define ANEG_STATE_ABILITY_DETECT 6
2058#define ANEG_STATE_ACK_DETECT_INIT 7
2059#define ANEG_STATE_ACK_DETECT 8
2060#define ANEG_STATE_COMPLETE_ACK_INIT 9
2061#define ANEG_STATE_COMPLETE_ACK 10
2062#define ANEG_STATE_IDLE_DETECT_INIT 11
2063#define ANEG_STATE_IDLE_DETECT 12
2064#define ANEG_STATE_LINK_OK 13
2065#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
2066#define ANEG_STATE_NEXT_PAGE_WAIT 15
2067
2068 u32 flags;
2069#define MR_AN_ENABLE 0x00000001
2070#define MR_RESTART_AN 0x00000002
2071#define MR_AN_COMPLETE 0x00000004
2072#define MR_PAGE_RX 0x00000008
2073#define MR_NP_LOADED 0x00000010
2074#define MR_TOGGLE_TX 0x00000020
2075#define MR_LP_ADV_FULL_DUPLEX 0x00000040
2076#define MR_LP_ADV_HALF_DUPLEX 0x00000080
2077#define MR_LP_ADV_SYM_PAUSE 0x00000100
2078#define MR_LP_ADV_ASYM_PAUSE 0x00000200
2079#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2080#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2081#define MR_LP_ADV_NEXT_PAGE 0x00001000
2082#define MR_TOGGLE_RX 0x00002000
2083#define MR_NP_RX 0x00004000
2084
2085#define MR_LINK_OK 0x80000000
2086
2087 unsigned long link_time, cur_time;
2088
2089 u32 ability_match_cfg;
2090 int ability_match_count;
2091
2092 char ability_match, idle_match, ack_match;
2093
2094 u32 txconfig, rxconfig;
2095#define ANEG_CFG_NP 0x00000080
2096#define ANEG_CFG_ACK 0x00000040
2097#define ANEG_CFG_RF2 0x00000020
2098#define ANEG_CFG_RF1 0x00000010
2099#define ANEG_CFG_PS2 0x00000001
2100#define ANEG_CFG_PS1 0x00008000
2101#define ANEG_CFG_HD 0x00004000
2102#define ANEG_CFG_FD 0x00002000
2103#define ANEG_CFG_INVAL 0x00001f06
2104
2105};
2106#define ANEG_OK 0
2107#define ANEG_DONE 1
2108#define ANEG_TIMER_ENAB 2
2109#define ANEG_FAILED -1
2110
2111#define ANEG_STATE_SETTLE_TIME 10000
2112
2113static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2114 struct tg3_fiber_aneginfo *ap)
2115{
2116 unsigned long delta;
2117 u32 rx_cfg_reg;
2118 int ret;
2119
2120 if (ap->state == ANEG_STATE_UNKNOWN) {
2121 ap->rxconfig = 0;
2122 ap->link_time = 0;
2123 ap->cur_time = 0;
2124 ap->ability_match_cfg = 0;
2125 ap->ability_match_count = 0;
2126 ap->ability_match = 0;
2127 ap->idle_match = 0;
2128 ap->ack_match = 0;
2129 }
2130 ap->cur_time++;
2131
2132 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2133 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2134
2135 if (rx_cfg_reg != ap->ability_match_cfg) {
2136 ap->ability_match_cfg = rx_cfg_reg;
2137 ap->ability_match = 0;
2138 ap->ability_match_count = 0;
2139 } else {
2140 if (++ap->ability_match_count > 1) {
2141 ap->ability_match = 1;
2142 ap->ability_match_cfg = rx_cfg_reg;
2143 }
2144 }
2145 if (rx_cfg_reg & ANEG_CFG_ACK)
2146 ap->ack_match = 1;
2147 else
2148 ap->ack_match = 0;
2149
2150 ap->idle_match = 0;
2151 } else {
2152 ap->idle_match = 1;
2153 ap->ability_match_cfg = 0;
2154 ap->ability_match_count = 0;
2155 ap->ability_match = 0;
2156 ap->ack_match = 0;
2157
2158 rx_cfg_reg = 0;
2159 }
2160
2161 ap->rxconfig = rx_cfg_reg;
2162 ret = ANEG_OK;
2163
2164 switch(ap->state) {
2165 case ANEG_STATE_UNKNOWN:
2166 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2167 ap->state = ANEG_STATE_AN_ENABLE;
2168
2169 /* fallthru */
2170 case ANEG_STATE_AN_ENABLE:
2171 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2172 if (ap->flags & MR_AN_ENABLE) {
2173 ap->link_time = 0;
2174 ap->cur_time = 0;
2175 ap->ability_match_cfg = 0;
2176 ap->ability_match_count = 0;
2177 ap->ability_match = 0;
2178 ap->idle_match = 0;
2179 ap->ack_match = 0;
2180
2181 ap->state = ANEG_STATE_RESTART_INIT;
2182 } else {
2183 ap->state = ANEG_STATE_DISABLE_LINK_OK;
2184 }
2185 break;
2186
2187 case ANEG_STATE_RESTART_INIT:
2188 ap->link_time = ap->cur_time;
2189 ap->flags &= ~(MR_NP_LOADED);
2190 ap->txconfig = 0;
2191 tw32(MAC_TX_AUTO_NEG, 0);
2192 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2193 tw32_f(MAC_MODE, tp->mac_mode);
2194 udelay(40);
2195
2196 ret = ANEG_TIMER_ENAB;
2197 ap->state = ANEG_STATE_RESTART;
2198
2199 /* fallthru */
2200 case ANEG_STATE_RESTART:
2201 delta = ap->cur_time - ap->link_time;
2202 if (delta > ANEG_STATE_SETTLE_TIME) {
2203 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2204 } else {
2205 ret = ANEG_TIMER_ENAB;
2206 }
2207 break;
2208
2209 case ANEG_STATE_DISABLE_LINK_OK:
2210 ret = ANEG_DONE;
2211 break;
2212
2213 case ANEG_STATE_ABILITY_DETECT_INIT:
2214 ap->flags &= ~(MR_TOGGLE_TX);
2215 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2216 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2217 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2218 tw32_f(MAC_MODE, tp->mac_mode);
2219 udelay(40);
2220
2221 ap->state = ANEG_STATE_ABILITY_DETECT;
2222 break;
2223
2224 case ANEG_STATE_ABILITY_DETECT:
2225 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2226 ap->state = ANEG_STATE_ACK_DETECT_INIT;
2227 }
2228 break;
2229
2230 case ANEG_STATE_ACK_DETECT_INIT:
2231 ap->txconfig |= ANEG_CFG_ACK;
2232 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2233 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2234 tw32_f(MAC_MODE, tp->mac_mode);
2235 udelay(40);
2236
2237 ap->state = ANEG_STATE_ACK_DETECT;
2238
2239 /* fallthru */
2240 case ANEG_STATE_ACK_DETECT:
2241 if (ap->ack_match != 0) {
2242 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2243 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2244 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2245 } else {
2246 ap->state = ANEG_STATE_AN_ENABLE;
2247 }
2248 } else if (ap->ability_match != 0 &&
2249 ap->rxconfig == 0) {
2250 ap->state = ANEG_STATE_AN_ENABLE;
2251 }
2252 break;
2253
2254 case ANEG_STATE_COMPLETE_ACK_INIT:
2255 if (ap->rxconfig & ANEG_CFG_INVAL) {
2256 ret = ANEG_FAILED;
2257 break;
2258 }
2259 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2260 MR_LP_ADV_HALF_DUPLEX |
2261 MR_LP_ADV_SYM_PAUSE |
2262 MR_LP_ADV_ASYM_PAUSE |
2263 MR_LP_ADV_REMOTE_FAULT1 |
2264 MR_LP_ADV_REMOTE_FAULT2 |
2265 MR_LP_ADV_NEXT_PAGE |
2266 MR_TOGGLE_RX |
2267 MR_NP_RX);
2268 if (ap->rxconfig & ANEG_CFG_FD)
2269 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2270 if (ap->rxconfig & ANEG_CFG_HD)
2271 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2272 if (ap->rxconfig & ANEG_CFG_PS1)
2273 ap->flags |= MR_LP_ADV_SYM_PAUSE;
2274 if (ap->rxconfig & ANEG_CFG_PS2)
2275 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2276 if (ap->rxconfig & ANEG_CFG_RF1)
2277 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2278 if (ap->rxconfig & ANEG_CFG_RF2)
2279 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2280 if (ap->rxconfig & ANEG_CFG_NP)
2281 ap->flags |= MR_LP_ADV_NEXT_PAGE;
2282
2283 ap->link_time = ap->cur_time;
2284
2285 ap->flags ^= (MR_TOGGLE_TX);
2286 if (ap->rxconfig & 0x0008)
2287 ap->flags |= MR_TOGGLE_RX;
2288 if (ap->rxconfig & ANEG_CFG_NP)
2289 ap->flags |= MR_NP_RX;
2290 ap->flags |= MR_PAGE_RX;
2291
2292 ap->state = ANEG_STATE_COMPLETE_ACK;
2293 ret = ANEG_TIMER_ENAB;
2294 break;
2295
2296 case ANEG_STATE_COMPLETE_ACK:
2297 if (ap->ability_match != 0 &&
2298 ap->rxconfig == 0) {
2299 ap->state = ANEG_STATE_AN_ENABLE;
2300 break;
2301 }
2302 delta = ap->cur_time - ap->link_time;
2303 if (delta > ANEG_STATE_SETTLE_TIME) {
2304 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2305 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2306 } else {
2307 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2308 !(ap->flags & MR_NP_RX)) {
2309 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2310 } else {
2311 ret = ANEG_FAILED;
2312 }
2313 }
2314 }
2315 break;
2316
2317 case ANEG_STATE_IDLE_DETECT_INIT:
2318 ap->link_time = ap->cur_time;
2319 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2320 tw32_f(MAC_MODE, tp->mac_mode);
2321 udelay(40);
2322
2323 ap->state = ANEG_STATE_IDLE_DETECT;
2324 ret = ANEG_TIMER_ENAB;
2325 break;
2326
2327 case ANEG_STATE_IDLE_DETECT:
2328 if (ap->ability_match != 0 &&
2329 ap->rxconfig == 0) {
2330 ap->state = ANEG_STATE_AN_ENABLE;
2331 break;
2332 }
2333 delta = ap->cur_time - ap->link_time;
2334 if (delta > ANEG_STATE_SETTLE_TIME) {
2335 /* XXX another gem from the Broadcom driver :( */
2336 ap->state = ANEG_STATE_LINK_OK;
2337 }
2338 break;
2339
2340 case ANEG_STATE_LINK_OK:
2341 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2342 ret = ANEG_DONE;
2343 break;
2344
2345 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2346 /* ??? unimplemented */
2347 break;
2348
2349 case ANEG_STATE_NEXT_PAGE_WAIT:
2350 /* ??? unimplemented */
2351 break;
2352
2353 default:
2354 ret = ANEG_FAILED;
2355 break;
2356 };
2357
2358 return ret;
2359}
2360
2361static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2362{
2363 int res = 0;
2364 struct tg3_fiber_aneginfo aninfo;
2365 int status = ANEG_FAILED;
2366 unsigned int tick;
2367 u32 tmp;
2368
2369 tw32_f(MAC_TX_AUTO_NEG, 0);
2370
2371 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2372 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2373 udelay(40);
2374
2375 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2376 udelay(40);
2377
2378 memset(&aninfo, 0, sizeof(aninfo));
2379 aninfo.flags |= MR_AN_ENABLE;
2380 aninfo.state = ANEG_STATE_UNKNOWN;
2381 aninfo.cur_time = 0;
2382 tick = 0;
2383 while (++tick < 195000) {
2384 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2385 if (status == ANEG_DONE || status == ANEG_FAILED)
2386 break;
2387
2388 udelay(1);
2389 }
2390
2391 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2392 tw32_f(MAC_MODE, tp->mac_mode);
2393 udelay(40);
2394
2395 *flags = aninfo.flags;
2396
2397 if (status == ANEG_DONE &&
2398 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2399 MR_LP_ADV_FULL_DUPLEX)))
2400 res = 1;
2401
2402 return res;
2403}
2404
2405static void tg3_init_bcm8002(struct tg3 *tp)
2406{
2407 u32 mac_status = tr32(MAC_STATUS);
2408 int i;
2409
2410 /* Reset when initting first time or we have a link. */
2411 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2412 !(mac_status & MAC_STATUS_PCS_SYNCED))
2413 return;
2414
2415 /* Set PLL lock range. */
2416 tg3_writephy(tp, 0x16, 0x8007);
2417
2418 /* SW reset */
2419 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2420
2421 /* Wait for reset to complete. */
2422 /* XXX schedule_timeout() ... */
2423 for (i = 0; i < 500; i++)
2424 udelay(10);
2425
2426 /* Config mode; select PMA/Ch 1 regs. */
2427 tg3_writephy(tp, 0x10, 0x8411);
2428
2429 /* Enable auto-lock and comdet, select txclk for tx. */
2430 tg3_writephy(tp, 0x11, 0x0a10);
2431
2432 tg3_writephy(tp, 0x18, 0x00a0);
2433 tg3_writephy(tp, 0x16, 0x41ff);
2434
2435 /* Assert and deassert POR. */
2436 tg3_writephy(tp, 0x13, 0x0400);
2437 udelay(40);
2438 tg3_writephy(tp, 0x13, 0x0000);
2439
2440 tg3_writephy(tp, 0x11, 0x0a50);
2441 udelay(40);
2442 tg3_writephy(tp, 0x11, 0x0a10);
2443
2444 /* Wait for signal to stabilize */
2445 /* XXX schedule_timeout() ... */
2446 for (i = 0; i < 15000; i++)
2447 udelay(10);
2448
2449 /* Deselect the channel register so we can read the PHYID
2450 * later.
2451 */
2452 tg3_writephy(tp, 0x10, 0x8011);
2453}
2454
2455static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2456{
2457 u32 sg_dig_ctrl, sg_dig_status;
2458 u32 serdes_cfg, expected_sg_dig_ctrl;
2459 int workaround, port_a;
2460 int current_link_up;
2461
2462 serdes_cfg = 0;
2463 expected_sg_dig_ctrl = 0;
2464 workaround = 0;
2465 port_a = 1;
2466 current_link_up = 0;
2467
2468 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2469 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2470 workaround = 1;
2471 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2472 port_a = 0;
2473
2474 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2475 /* preserve bits 20-23 for voltage regulator */
2476 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2477 }
2478
2479 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2480
2481 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2482 if (sg_dig_ctrl & (1 << 31)) {
2483 if (workaround) {
2484 u32 val = serdes_cfg;
2485
2486 if (port_a)
2487 val |= 0xc010000;
2488 else
2489 val |= 0x4010000;
2490 tw32_f(MAC_SERDES_CFG, val);
2491 }
2492 tw32_f(SG_DIG_CTRL, 0x01388400);
2493 }
2494 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2495 tg3_setup_flow_control(tp, 0, 0);
2496 current_link_up = 1;
2497 }
2498 goto out;
2499 }
2500
2501 /* Want auto-negotiation. */
2502 expected_sg_dig_ctrl = 0x81388400;
2503
2504 /* Pause capability */
2505 expected_sg_dig_ctrl |= (1 << 11);
2506
2507 /* Asymettric pause */
2508 expected_sg_dig_ctrl |= (1 << 12);
2509
2510 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3d3ebe74
MC		 2511 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2512 tp->serdes_counter &&
2513 ((mac_status & (MAC_STATUS_PCS_SYNCED |
2514 MAC_STATUS_RCVD_CFG)) ==
2515 MAC_STATUS_PCS_SYNCED)) {
2516 tp->serdes_counter--;
2517 current_link_up = 1;
2518 goto out;
2519 }
2520restart_autoneg:
1da177e4
LT		 2521 if (workaround)
2522 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2523 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2524 udelay(5);
2525 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2526
3d3ebe74
MC		 2527 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2528 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 2529 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2530 MAC_STATUS_SIGNAL_DET)) {
3d3ebe74 2531 sg_dig_status = tr32(SG_DIG_STATUS);
1da177e4
LT		 2532 mac_status = tr32(MAC_STATUS);
2533
2534 if ((sg_dig_status & (1 << 1)) &&
2535 (mac_status & MAC_STATUS_PCS_SYNCED)) {
2536 u32 local_adv, remote_adv;
2537
2538 local_adv = ADVERTISE_PAUSE_CAP;
2539 remote_adv = 0;
2540 if (sg_dig_status & (1 << 19))
2541 remote_adv |= LPA_PAUSE_CAP;
2542 if (sg_dig_status & (1 << 20))
2543 remote_adv |= LPA_PAUSE_ASYM;
2544
2545 tg3_setup_flow_control(tp, local_adv, remote_adv);
2546 current_link_up = 1;
3d3ebe74
MC		 2547 tp->serdes_counter = 0;
2548 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4 2549 } else if (!(sg_dig_status & (1 << 1))) {
3d3ebe74
MC		 2550 if (tp->serdes_counter)
2551 tp->serdes_counter--;
1da177e4
LT		 2552 else {
2553 if (workaround) {
2554 u32 val = serdes_cfg;
2555
2556 if (port_a)
2557 val |= 0xc010000;
2558 else
2559 val |= 0x4010000;
2560
2561 tw32_f(MAC_SERDES_CFG, val);
2562 }
2563
2564 tw32_f(SG_DIG_CTRL, 0x01388400);
2565 udelay(40);
2566
2567 /* Link parallel detection - link is up */
2568 /* only if we have PCS_SYNC and not */
2569 /* receiving config code words */
2570 mac_status = tr32(MAC_STATUS);
2571 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2572 !(mac_status & MAC_STATUS_RCVD_CFG)) {
2573 tg3_setup_flow_control(tp, 0, 0);
2574 current_link_up = 1;
3d3ebe74
MC		 2575 tp->tg3_flags2 |=
2576 TG3_FLG2_PARALLEL_DETECT;
2577 tp->serdes_counter =
2578 SERDES_PARALLEL_DET_TIMEOUT;
2579 } else
2580 goto restart_autoneg;
1da177e4
LT		 2581 }
2582 }
3d3ebe74
MC		 2583 } else {
2584 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2585 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
1da177e4
LT		 2586 }
2587
2588out:
2589 return current_link_up;
2590}
2591
2592static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2593{
2594 int current_link_up = 0;
2595
2596 if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2597 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2598 goto out;
2599 }
2600
2601 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2602 u32 flags;
2603 int i;
6aa20a22 2604
1da177e4
LT		 2605 if (fiber_autoneg(tp, &flags)) {
2606 u32 local_adv, remote_adv;
2607
2608 local_adv = ADVERTISE_PAUSE_CAP;
2609 remote_adv = 0;
2610 if (flags & MR_LP_ADV_SYM_PAUSE)
2611 remote_adv |= LPA_PAUSE_CAP;
2612 if (flags & MR_LP_ADV_ASYM_PAUSE)
2613 remote_adv |= LPA_PAUSE_ASYM;
2614
2615 tg3_setup_flow_control(tp, local_adv, remote_adv);
2616
2617 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2618 current_link_up = 1;
2619 }
2620 for (i = 0; i < 30; i++) {
2621 udelay(20);
2622 tw32_f(MAC_STATUS,
2623 (MAC_STATUS_SYNC_CHANGED |
2624 MAC_STATUS_CFG_CHANGED));
2625 udelay(40);
2626 if ((tr32(MAC_STATUS) &
2627 (MAC_STATUS_SYNC_CHANGED |
2628 MAC_STATUS_CFG_CHANGED)) == 0)
2629 break;
2630 }
2631
2632 mac_status = tr32(MAC_STATUS);
2633 if (current_link_up == 0 &&
2634 (mac_status & MAC_STATUS_PCS_SYNCED) &&
2635 !(mac_status & MAC_STATUS_RCVD_CFG))
2636 current_link_up = 1;
2637 } else {
2638 /* Forcing 1000FD link up. */
2639 current_link_up = 1;
2640 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2641
2642 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2643 udelay(40);
2644 }
2645
2646out:
2647 return current_link_up;
2648}
2649
2650static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2651{
2652 u32 orig_pause_cfg;
2653 u16 orig_active_speed;
2654 u8 orig_active_duplex;
2655 u32 mac_status;
2656 int current_link_up;
2657 int i;
2658
2659 orig_pause_cfg =
2660 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2661 TG3_FLAG_TX_PAUSE));
2662 orig_active_speed = tp->link_config.active_speed;
2663 orig_active_duplex = tp->link_config.active_duplex;
2664
2665 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2666 netif_carrier_ok(tp->dev) &&
2667 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2668 mac_status = tr32(MAC_STATUS);
2669 mac_status &= (MAC_STATUS_PCS_SYNCED |
2670 MAC_STATUS_SIGNAL_DET |
2671 MAC_STATUS_CFG_CHANGED |
2672 MAC_STATUS_RCVD_CFG);
2673 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2674 MAC_STATUS_SIGNAL_DET)) {
2675 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2676 MAC_STATUS_CFG_CHANGED));
2677 return 0;
2678 }
2679 }
2680
2681 tw32_f(MAC_TX_AUTO_NEG, 0);
2682
2683 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2684 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2685 tw32_f(MAC_MODE, tp->mac_mode);
2686 udelay(40);
2687
2688 if (tp->phy_id == PHY_ID_BCM8002)
2689 tg3_init_bcm8002(tp);
2690
2691 /* Enable link change event even when serdes polling. */
2692 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2693 udelay(40);
2694
2695 current_link_up = 0;
2696 mac_status = tr32(MAC_STATUS);
2697
2698 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2699 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2700 else
2701 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2702
2703 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2704 tw32_f(MAC_MODE, tp->mac_mode);
2705 udelay(40);
2706
2707 tp->hw_status->status =
2708 (SD_STATUS_UPDATED |
2709 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2710
2711 for (i = 0; i < 100; i++) {
2712 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2713 MAC_STATUS_CFG_CHANGED));
2714 udelay(5);
2715 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3d3ebe74
MC		 2716 MAC_STATUS_CFG_CHANGED |
2717 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
1da177e4
LT		 2718 break;
2719 }
2720
2721 mac_status = tr32(MAC_STATUS);
2722 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2723 current_link_up = 0;
3d3ebe74
MC		 2724 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2725 tp->serdes_counter == 0) {
1da177e4
LT		 2726 tw32_f(MAC_MODE, (tp->mac_mode |
2727 MAC_MODE_SEND_CONFIGS));
2728 udelay(1);
2729 tw32_f(MAC_MODE, tp->mac_mode);
2730 }
2731 }
2732
2733 if (current_link_up == 1) {
2734 tp->link_config.active_speed = SPEED_1000;
2735 tp->link_config.active_duplex = DUPLEX_FULL;
2736 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2737 LED_CTRL_LNKLED_OVERRIDE |
2738 LED_CTRL_1000MBPS_ON));
2739 } else {
2740 tp->link_config.active_speed = SPEED_INVALID;
2741 tp->link_config.active_duplex = DUPLEX_INVALID;
2742 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2743 LED_CTRL_LNKLED_OVERRIDE |
2744 LED_CTRL_TRAFFIC_OVERRIDE));
2745 }
2746
2747 if (current_link_up != netif_carrier_ok(tp->dev)) {
2748 if (current_link_up)
2749 netif_carrier_on(tp->dev);
2750 else
2751 netif_carrier_off(tp->dev);
2752 tg3_link_report(tp);
2753 } else {
2754 u32 now_pause_cfg =
2755 tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2756 TG3_FLAG_TX_PAUSE);
2757 if (orig_pause_cfg != now_pause_cfg ||
2758 orig_active_speed != tp->link_config.active_speed ||
2759 orig_active_duplex != tp->link_config.active_duplex)
2760 tg3_link_report(tp);
2761 }
2762
2763 return 0;
2764}
2765
747e8f8b
MC		 2766static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2767{
2768 int current_link_up, err = 0;
2769 u32 bmsr, bmcr;
2770 u16 current_speed;
2771 u8 current_duplex;
2772
2773 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2774 tw32_f(MAC_MODE, tp->mac_mode);
2775 udelay(40);
2776
2777 tw32(MAC_EVENT, 0);
2778
2779 tw32_f(MAC_STATUS,
2780 (MAC_STATUS_SYNC_CHANGED |
2781 MAC_STATUS_CFG_CHANGED |
2782 MAC_STATUS_MI_COMPLETION |
2783 MAC_STATUS_LNKSTATE_CHANGED));
2784 udelay(40);
2785
2786 if (force_reset)
2787 tg3_phy_reset(tp);
2788
2789 current_link_up = 0;
2790 current_speed = SPEED_INVALID;
2791 current_duplex = DUPLEX_INVALID;
2792
2793 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2794 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 2795 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2796 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2797 bmsr |= BMSR_LSTATUS;
2798 else
2799 bmsr &= ~BMSR_LSTATUS;
2800 }
747e8f8b
MC		 2801
2802 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2803
2804 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2805 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2806 /* do nothing, just check for link up at the end */
2807 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2808 u32 adv, new_adv;
2809
2810 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2811 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2812 ADVERTISE_1000XPAUSE |
2813 ADVERTISE_1000XPSE_ASYM |
2814 ADVERTISE_SLCT);
2815
2816 /* Always advertise symmetric PAUSE just like copper */
2817 new_adv |= ADVERTISE_1000XPAUSE;
2818
2819 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2820 new_adv |= ADVERTISE_1000XHALF;
2821 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2822 new_adv |= ADVERTISE_1000XFULL;
2823
2824 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2825 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2826 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2827 tg3_writephy(tp, MII_BMCR, bmcr);
2828
2829 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3d3ebe74 2830 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
747e8f8b
MC		 2831 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2832
2833 return err;
2834 }
2835 } else {
2836 u32 new_bmcr;
2837
2838 bmcr &= ~BMCR_SPEED1000;
2839 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2840
2841 if (tp->link_config.duplex == DUPLEX_FULL)
2842 new_bmcr |= BMCR_FULLDPLX;
2843
2844 if (new_bmcr != bmcr) {
2845 /* BMCR_SPEED1000 is a reserved bit that needs
2846 * to be set on write.
2847 */
2848 new_bmcr |= BMCR_SPEED1000;
2849
2850 /* Force a linkdown */
2851 if (netif_carrier_ok(tp->dev)) {
2852 u32 adv;
2853
2854 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2855 adv &= ~(ADVERTISE_1000XFULL |
2856 ADVERTISE_1000XHALF |
2857 ADVERTISE_SLCT);
2858 tg3_writephy(tp, MII_ADVERTISE, adv);
2859 tg3_writephy(tp, MII_BMCR, bmcr |
2860 BMCR_ANRESTART |
2861 BMCR_ANENABLE);
2862 udelay(10);
2863 netif_carrier_off(tp->dev);
2864 }
2865 tg3_writephy(tp, MII_BMCR, new_bmcr);
2866 bmcr = new_bmcr;
2867 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2868 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
d4d2c558
MC		 2869 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2870 ASIC_REV_5714) {
2871 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2872 bmsr |= BMSR_LSTATUS;
2873 else
2874 bmsr &= ~BMSR_LSTATUS;
2875 }
747e8f8b
MC		 2876 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2877 }
2878 }
2879
2880 if (bmsr & BMSR_LSTATUS) {
2881 current_speed = SPEED_1000;
2882 current_link_up = 1;
2883 if (bmcr & BMCR_FULLDPLX)
2884 current_duplex = DUPLEX_FULL;
2885 else
2886 current_duplex = DUPLEX_HALF;
2887
2888 if (bmcr & BMCR_ANENABLE) {
2889 u32 local_adv, remote_adv, common;
2890
2891 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2892 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2893 common = local_adv & remote_adv;
2894 if (common & (ADVERTISE_1000XHALF |
2895 ADVERTISE_1000XFULL)) {
2896 if (common & ADVERTISE_1000XFULL)
2897 current_duplex = DUPLEX_FULL;
2898 else
2899 current_duplex = DUPLEX_HALF;
2900
2901 tg3_setup_flow_control(tp, local_adv,
2902 remote_adv);
2903 }
2904 else
2905 current_link_up = 0;
2906 }
2907 }
2908
2909 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2910 if (tp->link_config.active_duplex == DUPLEX_HALF)
2911 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2912
2913 tw32_f(MAC_MODE, tp->mac_mode);
2914 udelay(40);
2915
2916 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2917
2918 tp->link_config.active_speed = current_speed;
2919 tp->link_config.active_duplex = current_duplex;
2920
2921 if (current_link_up != netif_carrier_ok(tp->dev)) {
2922 if (current_link_up)
2923 netif_carrier_on(tp->dev);
2924 else {
2925 netif_carrier_off(tp->dev);
2926 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2927 }
2928 tg3_link_report(tp);
2929 }
2930 return err;
2931}
2932
2933static void tg3_serdes_parallel_detect(struct tg3 *tp)
2934{
3d3ebe74 2935 if (tp->serdes_counter) {
747e8f8b 2936 /* Give autoneg time to complete. */
3d3ebe74 2937 tp->serdes_counter--;
747e8f8b
MC		 2938 return;
2939 }
2940 if (!netif_carrier_ok(tp->dev) &&
2941 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2942 u32 bmcr;
2943
2944 tg3_readphy(tp, MII_BMCR, &bmcr);
2945 if (bmcr & BMCR_ANENABLE) {
2946 u32 phy1, phy2;
2947
2948 /* Select shadow register 0x1f */
2949 tg3_writephy(tp, 0x1c, 0x7c00);
2950 tg3_readphy(tp, 0x1c, &phy1);
2951
2952 /* Select expansion interrupt status register */
2953 tg3_writephy(tp, 0x17, 0x0f01);
2954 tg3_readphy(tp, 0x15, &phy2);
2955 tg3_readphy(tp, 0x15, &phy2);
2956
2957 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2958 /* We have signal detect and not receiving
2959 * config code words, link is up by parallel
2960 * detection.
2961 */
2962
2963 bmcr &= ~BMCR_ANENABLE;
2964 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2965 tg3_writephy(tp, MII_BMCR, bmcr);
2966 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2967 }
2968 }
2969 }
2970 else if (netif_carrier_ok(tp->dev) &&
2971 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2972 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2973 u32 phy2;
2974
2975 /* Select expansion interrupt status register */
2976 tg3_writephy(tp, 0x17, 0x0f01);
2977 tg3_readphy(tp, 0x15, &phy2);
2978 if (phy2 & 0x20) {
2979 u32 bmcr;
2980
2981 /* Config code words received, turn on autoneg. */
2982 tg3_readphy(tp, MII_BMCR, &bmcr);
2983 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2984
2985 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2986
2987 }
2988 }
2989}
2990
1da177e4
LT		 2991static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2992{
2993 int err;
2994
2995 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2996 err = tg3_setup_fiber_phy(tp, force_reset);
747e8f8b
MC		 2997 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2998 err = tg3_setup_fiber_mii_phy(tp, force_reset);
1da177e4
LT		 2999 } else {
3000 err = tg3_setup_copper_phy(tp, force_reset);
3001 }
3002
3003 if (tp->link_config.active_speed == SPEED_1000 &&
3004 tp->link_config.active_duplex == DUPLEX_HALF)
3005 tw32(MAC_TX_LENGTHS,
3006 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3007 (6 << TX_LENGTHS_IPG_SHIFT) |
3008 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
3009 else
3010 tw32(MAC_TX_LENGTHS,
3011 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3012 (6 << TX_LENGTHS_IPG_SHIFT) |
3013 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
3014
3015 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
3016 if (netif_carrier_ok(tp->dev)) {
3017 tw32(HOSTCC_STAT_COAL_TICKS,
15f9850d 3018 tp->coal.stats_block_coalesce_usecs);
1da177e4
LT		 3019 } else {
3020 tw32(HOSTCC_STAT_COAL_TICKS, 0);
3021 }
3022 }
3023
3024 return err;
3025}
3026
df3e6548
MC		 3027/* This is called whenever we suspect that the system chipset is re-
3028 * ordering the sequence of MMIO to the tx send mailbox. The symptom
3029 * is bogus tx completions. We try to recover by setting the
3030 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
3031 * in the workqueue.
3032 */
3033static void tg3_tx_recover(struct tg3 *tp)
3034{
3035 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3036 tp->write32_tx_mbox == tg3_write_indirect_mbox);
3037
3038 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3039 "mapped I/O cycles to the network device, attempting to "
3040 "recover. Please report the problem to the driver maintainer "
3041 "and include system chipset information.\n", tp->dev->name);
3042
3043 spin_lock(&tp->lock);
df3e6548 3044 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
df3e6548
MC		 3045 spin_unlock(&tp->lock);
3046}
3047
1b2a7205
MC		 3048static inline u32 tg3_tx_avail(struct tg3 *tp)
3049{
3050 smp_mb();
3051 return (tp->tx_pending -
3052 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3053}
3054
1da177e4
LT		 3055/* Tigon3 never reports partial packet sends. So we do not
3056 * need special logic to handle SKBs that have not had all
3057 * of their frags sent yet, like SunGEM does.
3058 */
3059static void tg3_tx(struct tg3 *tp)
3060{
3061 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3062 u32 sw_idx = tp->tx_cons;
3063
3064 while (sw_idx != hw_idx) {
3065 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3066 struct sk_buff *skb = ri->skb;
df3e6548
MC		 3067 int i, tx_bug = 0;
3068
3069 if (unlikely(skb == NULL)) {
3070 tg3_tx_recover(tp);
3071 return;
3072 }
1da177e4 3073
1da177e4
LT		 3074 pci_unmap_single(tp->pdev,
3075 pci_unmap_addr(ri, mapping),
3076 skb_headlen(skb),
3077 PCI_DMA_TODEVICE);
3078
3079 ri->skb = NULL;
3080
3081 sw_idx = NEXT_TX(sw_idx);
3082
3083 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
1da177e4 3084 ri = &tp->tx_buffers[sw_idx];
df3e6548
MC		 3085 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3086 tx_bug = 1;
1da177e4
LT		 3087
3088 pci_unmap_page(tp->pdev,
3089 pci_unmap_addr(ri, mapping),
3090 skb_shinfo(skb)->frags[i].size,
3091 PCI_DMA_TODEVICE);
3092
3093 sw_idx = NEXT_TX(sw_idx);
3094 }
3095
f47c11ee 3096 dev_kfree_skb(skb);
df3e6548
MC		 3097
3098 if (unlikely(tx_bug)) {
3099 tg3_tx_recover(tp);
3100 return;
3101 }
1da177e4
LT		 3102 }
3103
3104 tp->tx_cons = sw_idx;
3105
1b2a7205
MC		 3106 /* Need to make the tx_cons update visible to tg3_start_xmit()
3107 * before checking for netif_queue_stopped(). Without the
3108 * memory barrier, there is a small possibility that tg3_start_xmit()
3109 * will miss it and cause the queue to be stopped forever.
3110 */
3111 smp_mb();
3112
3113 if (unlikely(netif_queue_stopped(tp->dev) &&
42952231 3114 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
1b2a7205 3115 netif_tx_lock(tp->dev);
51b91468 3116 if (netif_queue_stopped(tp->dev) &&
42952231 3117 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
51b91468 3118 netif_wake_queue(tp->dev);
1b2a7205 3119 netif_tx_unlock(tp->dev);
51b91468 3120 }
1da177e4
LT		 3121}
3122
3123/* Returns size of skb allocated or < 0 on error.
3124 *
3125 * We only need to fill in the address because the other members
3126 * of the RX descriptor are invariant, see tg3_init_rings.
3127 *
3128 * Note the purposeful assymetry of cpu vs. chip accesses. For
3129 * posting buffers we only dirty the first cache line of the RX
3130 * descriptor (containing the address). Whereas for the RX status
3131 * buffers the cpu only reads the last cacheline of the RX descriptor
3132 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3133 */
3134static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3135 int src_idx, u32 dest_idx_unmasked)
3136{
3137 struct tg3_rx_buffer_desc *desc;
3138 struct ring_info *map, *src_map;
3139 struct sk_buff *skb;
3140 dma_addr_t mapping;
3141 int skb_size, dest_idx;
3142
3143 src_map = NULL;
3144 switch (opaque_key) {
3145 case RXD_OPAQUE_RING_STD:
3146 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3147 desc = &tp->rx_std[dest_idx];
3148 map = &tp->rx_std_buffers[dest_idx];
3149 if (src_idx >= 0)
3150 src_map = &tp->rx_std_buffers[src_idx];
7e72aad4 3151 skb_size = tp->rx_pkt_buf_sz;
1da177e4
LT		 3152 break;
3153
3154 case RXD_OPAQUE_RING_JUMBO:
3155 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3156 desc = &tp->rx_jumbo[dest_idx];
3157 map = &tp->rx_jumbo_buffers[dest_idx];
3158 if (src_idx >= 0)
3159 src_map = &tp->rx_jumbo_buffers[src_idx];
3160 skb_size = RX_JUMBO_PKT_BUF_SZ;
3161 break;
3162
3163 default:
3164 return -EINVAL;
3165 };
3166
3167 /* Do not overwrite any of the map or rp information
3168 * until we are sure we can commit to a new buffer.
3169 *
3170 * Callers depend upon this behavior and assume that
3171 * we leave everything unchanged if we fail.
3172 */
a20e9c62 3173 skb = netdev_alloc_skb(tp->dev, skb_size);
1da177e4
LT		 3174 if (skb == NULL)
3175 return -ENOMEM;
3176
1da177e4
LT		 3177 skb_reserve(skb, tp->rx_offset);
3178
3179 mapping = pci_map_single(tp->pdev, skb->data,
3180 skb_size - tp->rx_offset,
3181 PCI_DMA_FROMDEVICE);
3182
3183 map->skb = skb;
3184 pci_unmap_addr_set(map, mapping, mapping);
3185
3186 if (src_map != NULL)
3187 src_map->skb = NULL;
3188
3189 desc->addr_hi = ((u64)mapping >> 32);
3190 desc->addr_lo = ((u64)mapping & 0xffffffff);
3191
3192 return skb_size;
3193}
3194
3195/* We only need to move over in the address because the other
3196 * members of the RX descriptor are invariant. See notes above
3197 * tg3_alloc_rx_skb for full details.
3198 */
3199static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3200 int src_idx, u32 dest_idx_unmasked)
3201{
3202 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3203 struct ring_info *src_map, *dest_map;
3204 int dest_idx;
3205
3206 switch (opaque_key) {
3207 case RXD_OPAQUE_RING_STD:
3208 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3209 dest_desc = &tp->rx_std[dest_idx];
3210 dest_map = &tp->rx_std_buffers[dest_idx];
3211 src_desc = &tp->rx_std[src_idx];
3212 src_map = &tp->rx_std_buffers[src_idx];
3213 break;
3214
3215 case RXD_OPAQUE_RING_JUMBO:
3216 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3217 dest_desc = &tp->rx_jumbo[dest_idx];
3218 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3219 src_desc = &tp->rx_jumbo[src_idx];
3220 src_map = &tp->rx_jumbo_buffers[src_idx];
3221 break;
3222
3223 default:
3224 return;
3225 };
3226
3227 dest_map->skb = src_map->skb;
3228 pci_unmap_addr_set(dest_map, mapping,
3229 pci_unmap_addr(src_map, mapping));
3230 dest_desc->addr_hi = src_desc->addr_hi;
3231 dest_desc->addr_lo = src_desc->addr_lo;
3232
3233 src_map->skb = NULL;
3234}
3235
3236#if TG3_VLAN_TAG_USED
3237static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3238{
3239 return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3240}
3241#endif
3242
3243/* The RX ring scheme is composed of multiple rings which post fresh
3244 * buffers to the chip, and one special ring the chip uses to report
3245 * status back to the host.
3246 *
3247 * The special ring reports the status of received packets to the
3248 * host. The chip does not write into the original descriptor the
3249 * RX buffer was obtained from. The chip simply takes the original
3250 * descriptor as provided by the host, updates the status and length
3251 * field, then writes this into the next status ring entry.
3252 *
3253 * Each ring the host uses to post buffers to the chip is described
3254 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
3255 * it is first placed into the on-chip ram. When the packet's length
3256 * is known, it walks down the TG3_BDINFO entries to select the ring.
3257 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3258 * which is within the range of the new packet's length is chosen.
3259 *
3260 * The "separate ring for rx status" scheme may sound queer, but it makes
3261 * sense from a cache coherency perspective. If only the host writes
3262 * to the buffer post rings, and only the chip writes to the rx status
3263 * rings, then cache lines never move beyond shared-modified state.
3264 * If both the host and chip were to write into the same ring, cache line
3265 * eviction could occur since both entities want it in an exclusive state.
3266 */
3267static int tg3_rx(struct tg3 *tp, int budget)
3268{
f92905de 3269 u32 work_mask, rx_std_posted = 0;
483ba50b
MC		 3270 u32 sw_idx = tp->rx_rcb_ptr;
3271 u16 hw_idx;
1da177e4
LT		 3272 int received;
3273
3274 hw_idx = tp->hw_status->idx[0].rx_producer;
3275 /*
3276 * We need to order the read of hw_idx and the read of
3277 * the opaque cookie.
3278 */
3279 rmb();
1da177e4
LT		 3280 work_mask = 0;
3281 received = 0;
3282 while (sw_idx != hw_idx && budget > 0) {
3283 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3284 unsigned int len;
3285 struct sk_buff *skb;
3286 dma_addr_t dma_addr;
3287 u32 opaque_key, desc_idx, *post_ptr;
3288
3289 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3290 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3291 if (opaque_key == RXD_OPAQUE_RING_STD) {
3292 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3293 mapping);
3294 skb = tp->rx_std_buffers[desc_idx].skb;
3295 post_ptr = &tp->rx_std_ptr;
f92905de 3296 rx_std_posted++;
1da177e4
LT		 3297 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3298 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3299 mapping);
3300 skb = tp->rx_jumbo_buffers[desc_idx].skb;
3301 post_ptr = &tp->rx_jumbo_ptr;
3302 }
3303 else {
3304 goto next_pkt_nopost;
3305 }
3306
3307 work_mask |= opaque_key;
3308
3309 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3310 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3311 drop_it:
3312 tg3_recycle_rx(tp, opaque_key,
3313 desc_idx, *post_ptr);
3314 drop_it_no_recycle:
3315 /* Other statistics kept track of by card. */
3316 tp->net_stats.rx_dropped++;
3317 goto next_pkt;
3318 }
3319
3320 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3321
6aa20a22 3322 if (len > RX_COPY_THRESHOLD
1da177e4
LT		 3323 && tp->rx_offset == 2
3324 /* rx_offset != 2 iff this is a 5701 card running
3325 * in PCI-X mode [see tg3_get_invariants()] */
3326 ) {
3327 int skb_size;
3328
3329 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3330 desc_idx, *post_ptr);
3331 if (skb_size < 0)
3332 goto drop_it;
3333
3334 pci_unmap_single(tp->pdev, dma_addr,
3335 skb_size - tp->rx_offset,
3336 PCI_DMA_FROMDEVICE);
3337
3338 skb_put(skb, len);
3339 } else {
3340 struct sk_buff *copy_skb;
3341
3342 tg3_recycle_rx(tp, opaque_key,
3343 desc_idx, *post_ptr);
3344
a20e9c62 3345 copy_skb = netdev_alloc_skb(tp->dev, len + 2);
1da177e4
LT		 3346 if (copy_skb == NULL)
3347 goto drop_it_no_recycle;
3348
1da177e4
LT		 3349 skb_reserve(copy_skb, 2);
3350 skb_put(copy_skb, len);
3351 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3352 memcpy(copy_skb->data, skb->data, len);
3353 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3354
3355 /* We'll reuse the original ring buffer. */
3356 skb = copy_skb;
3357 }
3358
3359 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3360 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3361 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3362 >> RXD_TCPCSUM_SHIFT) == 0xffff))
3363 skb->ip_summed = CHECKSUM_UNNECESSARY;
3364 else
3365 skb->ip_summed = CHECKSUM_NONE;
3366
3367 skb->protocol = eth_type_trans(skb, tp->dev);
3368#if TG3_VLAN_TAG_USED
3369 if (tp->vlgrp != NULL &&
3370 desc->type_flags & RXD_FLAG_VLAN) {
3371 tg3_vlan_rx(tp, skb,
3372 desc->err_vlan & RXD_VLAN_MASK);
3373 } else
3374#endif
3375 netif_receive_skb(skb);
3376
3377 tp->dev->last_rx = jiffies;
3378 received++;
3379 budget--;
3380
3381next_pkt:
3382 (*post_ptr)++;
f92905de
MC		 3383
3384 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3385 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3386
3387 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3388 TG3_64BIT_REG_LOW, idx);
3389 work_mask &= ~RXD_OPAQUE_RING_STD;
3390 rx_std_posted = 0;
3391 }
1da177e4 3392next_pkt_nopost:
483ba50b 3393 sw_idx++;
6b31a515 3394 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
52f6d697
MC		 3395
3396 /* Refresh hw_idx to see if there is new work */
3397 if (sw_idx == hw_idx) {
3398 hw_idx = tp->hw_status->idx[0].rx_producer;
3399 rmb();
3400 }
1da177e4
LT		 3401 }
3402
3403 /* ACK the status ring. */
483ba50b
MC		 3404 tp->rx_rcb_ptr = sw_idx;
3405 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
1da177e4
LT		 3406
3407 /* Refill RX ring(s). */
3408 if (work_mask & RXD_OPAQUE_RING_STD) {
3409 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3410 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3411 sw_idx);
3412 }
3413 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3414 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3415 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3416 sw_idx);
3417 }
3418 mmiowb();
3419
3420 return received;
3421}
3422
3423static int tg3_poll(struct net_device *netdev, int *budget)
3424{
3425 struct tg3 *tp = netdev_priv(netdev);
3426 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3427 int done;
3428
1da177e4
LT		 3429 /* handle link change and other phy events */
3430 if (!(tp->tg3_flags &
3431 (TG3_FLAG_USE_LINKCHG_REG |
3432 TG3_FLAG_POLL_SERDES))) {
3433 if (sblk->status & SD_STATUS_LINK_CHG) {
3434 sblk->status = SD_STATUS_UPDATED |
3435 (sblk->status & ~SD_STATUS_LINK_CHG);
f47c11ee 3436 spin_lock(&tp->lock);
1da177e4 3437 tg3_setup_phy(tp, 0);
f47c11ee 3438 spin_unlock(&tp->lock);
1da177e4
LT		 3439 }
3440 }
3441
3442 /* run TX completion thread */
3443 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
1da177e4 3444 tg3_tx(tp);
df3e6548
MC		 3445 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3446 netif_rx_complete(netdev);
3447 schedule_work(&tp->reset_task);
3448 return 0;
3449 }
1da177e4
LT		 3450 }
3451
1da177e4
LT		 3452 /* run RX thread, within the bounds set by NAPI.
3453 * All RX "locking" is done by ensuring outside
3454 * code synchronizes with dev->poll()
3455 */
1da177e4
LT		 3456 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3457 int orig_budget = *budget;
3458 int work_done;
3459
3460 if (orig_budget > netdev->quota)
3461 orig_budget = netdev->quota;
3462
3463 work_done = tg3_rx(tp, orig_budget);
3464
3465 *budget -= work_done;
3466 netdev->quota -= work_done;
1da177e4
LT		 3467 }
3468
38f3843e 3469 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
f7383c22 3470 tp->last_tag = sblk->status_tag;
38f3843e
MC		 3471 rmb();
3472 } else
3473 sblk->status &= ~SD_STATUS_UPDATED;
f7383c22 3474
1da177e4 3475 /* if no more work, tell net stack and NIC we're done */
f7383c22 3476 done = !tg3_has_work(tp);
1da177e4 3477 if (done) {
f47c11ee 3478 netif_rx_complete(netdev);
1da177e4 3479 tg3_restart_ints(tp);
1da177e4
LT		 3480 }
3481
3482 return (done ? 0 : 1);
3483}
3484
f47c11ee
DM		 3485static void tg3_irq_quiesce(struct tg3 *tp)
3486{
3487 BUG_ON(tp->irq_sync);
3488
3489 tp->irq_sync = 1;
3490 smp_mb();
3491
3492 synchronize_irq(tp->pdev->irq);
3493}
3494
3495static inline int tg3_irq_sync(struct tg3 *tp)
3496{
3497 return tp->irq_sync;
3498}
3499
3500/* Fully shutdown all tg3 driver activity elsewhere in the system.
3501 * If irq_sync is non-zero, then the IRQ handler must be synchronized
3502 * with as well. Most of the time, this is not necessary except when
3503 * shutting down the device.
3504 */
3505static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3506{
3507 if (irq_sync)
3508 tg3_irq_quiesce(tp);
3509 spin_lock_bh(&tp->lock);
f47c11ee
DM		 3510}
3511
3512static inline void tg3_full_unlock(struct tg3 *tp)
3513{
f47c11ee
DM		 3514 spin_unlock_bh(&tp->lock);
3515}
3516
fcfa0a32
MC		 3517/* One-shot MSI handler - Chip automatically disables interrupt
3518 * after sending MSI so driver doesn't have to do it.
3519 */
7d12e780 3520static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
fcfa0a32
MC		 3521{
3522 struct net_device *dev = dev_id;
3523 struct tg3 *tp = netdev_priv(dev);
3524
3525 prefetch(tp->hw_status);
3526 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3527
3528 if (likely(!tg3_irq_sync(tp)))
3529 netif_rx_schedule(dev); /* schedule NAPI poll */
3530
3531 return IRQ_HANDLED;
3532}
3533
88b06bc2
MC		 3534/* MSI ISR - No need to check for interrupt sharing and no need to
3535 * flush status block and interrupt mailbox. PCI ordering rules
3536 * guarantee that MSI will arrive after the status block.
3537 */
7d12e780 3538static irqreturn_t tg3_msi(int irq, void *dev_id)
88b06bc2
MC		 3539{
3540 struct net_device *dev = dev_id;
3541 struct tg3 *tp = netdev_priv(dev);
88b06bc2 3542
61487480
MC		 3543 prefetch(tp->hw_status);
3544 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
88b06bc2 3545 /*
fac9b83e 3546 * Writing any value to intr-mbox-0 clears PCI INTA# and
88b06bc2 3547 * chip-internal interrupt pending events.
fac9b83e 3548 * Writing non-zero to intr-mbox-0 additional tells the
88b06bc2
MC		 3549 * NIC to stop sending us irqs, engaging "in-intr-handler"
3550 * event coalescing.
3551 */
3552 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
61487480 3553 if (likely(!tg3_irq_sync(tp)))
88b06bc2 3554 netif_rx_schedule(dev); /* schedule NAPI poll */
61487480 3555
88b06bc2
MC		 3556 return IRQ_RETVAL(1);
3557}
3558
7d12e780 3559static irqreturn_t tg3_interrupt(int irq, void *dev_id)
1da177e4
LT		 3560{
3561 struct net_device *dev = dev_id;
3562 struct tg3 *tp = netdev_priv(dev);
3563 struct tg3_hw_status *sblk = tp->hw_status;
1da177e4
LT		 3564 unsigned int handled = 1;
3565
1da177e4
LT		 3566 /* In INTx mode, it is possible for the interrupt to arrive at
3567 * the CPU before the status block posted prior to the interrupt.
3568 * Reading the PCI State register will confirm whether the
3569 * interrupt is ours and will flush the status block.
3570 */
3571 if ((sblk->status & SD_STATUS_UPDATED) ||
3572 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3573 /*
fac9b83e 3574 * Writing any value to intr-mbox-0 clears PCI INTA# and
1da177e4 3575 * chip-internal interrupt pending events.
fac9b83e 3576 * Writing non-zero to intr-mbox-0 additional tells the
1da177e4
LT		 3577 * NIC to stop sending us irqs, engaging "in-intr-handler"
3578 * event coalescing.
3579 */
3580 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3581 0x00000001);
f47c11ee
DM		 3582 if (tg3_irq_sync(tp))
3583 goto out;
fac9b83e 3584 sblk->status &= ~SD_STATUS_UPDATED;
61487480
MC		 3585 if (likely(tg3_has_work(tp))) {
3586 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
fac9b83e 3587 netif_rx_schedule(dev); /* schedule NAPI poll */
61487480 3588 } else {
fac9b83e
DM		 3589 /* No work, shared interrupt perhaps? re-enable
3590 * interrupts, and flush that PCI write
3591 */
09ee929c 3592 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
fac9b83e 3593 0x00000000);
fac9b83e
DM		 3594 }
3595 } else { /* shared interrupt */
3596 handled = 0;
3597 }
f47c11ee 3598out:
fac9b83e
DM		 3599 return IRQ_RETVAL(handled);
3600}
3601
7d12e780 3602static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
fac9b83e
DM		 3603{
3604 struct net_device *dev = dev_id;
3605 struct tg3 *tp = netdev_priv(dev);
3606 struct tg3_hw_status *sblk = tp->hw_status;
fac9b83e
DM		 3607 unsigned int handled = 1;
3608
fac9b83e
DM		 3609 /* In INTx mode, it is possible for the interrupt to arrive at
3610 * the CPU before the status block posted prior to the interrupt.
3611 * Reading the PCI State register will confirm whether the
3612 * interrupt is ours and will flush the status block.
3613 */
38f3843e 3614 if ((sblk->status_tag != tp->last_tag) ||
fac9b83e 3615 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
1da177e4 3616 /*
fac9b83e
DM		 3617 * writing any value to intr-mbox-0 clears PCI INTA# and
3618 * chip-internal interrupt pending events.
3619 * writing non-zero to intr-mbox-0 additional tells the
3620 * NIC to stop sending us irqs, engaging "in-intr-handler"
3621 * event coalescing.
1da177e4 3622 */
fac9b83e
DM		 3623 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3624 0x00000001);
f47c11ee
DM		 3625 if (tg3_irq_sync(tp))
3626 goto out;
38f3843e 3627 if (netif_rx_schedule_prep(dev)) {
61487480 3628 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
38f3843e
MC		 3629 /* Update last_tag to mark that this status has been
3630 * seen. Because interrupt may be shared, we may be
3631 * racing with tg3_poll(), so only update last_tag
3632 * if tg3_poll() is not scheduled.
1da177e4 3633 */
38f3843e
MC		 3634 tp->last_tag = sblk->status_tag;
3635 __netif_rx_schedule(dev);
1da177e4
LT		 3636 }
3637 } else { /* shared interrupt */
3638 handled = 0;
3639 }
f47c11ee 3640out:
1da177e4
LT		 3641 return IRQ_RETVAL(handled);
3642}
3643
7938109f 3644/* ISR for interrupt test */
7d12e780 3645static irqreturn_t tg3_test_isr(int irq, void *dev_id)
7938109f
MC		 3646{
3647 struct net_device *dev = dev_id;
3648 struct tg3 *tp = netdev_priv(dev);
3649 struct tg3_hw_status *sblk = tp->hw_status;
3650
f9804ddb
MC		 3651 if ((sblk->status & SD_STATUS_UPDATED) ||
3652 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
b16250e3 3653 tg3_disable_ints(tp);
7938109f
MC		 3654 return IRQ_RETVAL(1);
3655 }
3656 return IRQ_RETVAL(0);
3657}
3658
8e7a22e3 3659static int tg3_init_hw(struct tg3 *, int);
944d980e 3660static int tg3_halt(struct tg3 *, int, int);
1da177e4 3661
b9ec6c1b
MC		 3662/* Restart hardware after configuration changes, self-test, etc.
3663 * Invoked with tp->lock held.
3664 */
3665static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3666{
3667 int err;
3668
3669 err = tg3_init_hw(tp, reset_phy);
3670 if (err) {
3671 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3672 "aborting.\n", tp->dev->name);
3673 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3674 tg3_full_unlock(tp);
3675 del_timer_sync(&tp->timer);
3676 tp->irq_sync = 0;
3677 netif_poll_enable(tp->dev);
3678 dev_close(tp->dev);
3679 tg3_full_lock(tp, 0);
3680 }
3681 return err;
3682}
3683
1da177e4
LT		 3684#ifdef CONFIG_NET_POLL_CONTROLLER
3685static void tg3_poll_controller(struct net_device *dev)
3686{
88b06bc2
MC		 3687 struct tg3 *tp = netdev_priv(dev);
3688
7d12e780 3689 tg3_interrupt(tp->pdev->irq, dev);
1da177e4
LT		 3690}
3691#endif
3692
c4028958 3693static void tg3_reset_task(struct work_struct *work)
1da177e4 3694{
c4028958 3695 struct tg3 *tp = container_of(work, struct tg3, reset_task);
1da177e4
LT		 3696 unsigned int restart_timer;
3697
7faa006f
MC		 3698 tg3_full_lock(tp, 0);
3699 tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
3700
3701 if (!netif_running(tp->dev)) {
3702 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3703 tg3_full_unlock(tp);
3704 return;
3705 }
3706
3707 tg3_full_unlock(tp);
3708
1da177e4
LT		 3709 tg3_netif_stop(tp);
3710
f47c11ee 3711 tg3_full_lock(tp, 1);
1da177e4
LT		 3712
3713 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3714 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3715
df3e6548
MC		 3716 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3717 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3718 tp->write32_rx_mbox = tg3_write_flush_reg32;
3719 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3720 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3721 }
3722
944d980e 3723 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
b9ec6c1b
MC		 3724 if (tg3_init_hw(tp, 1))
3725 goto out;
1da177e4
LT		 3726
3727 tg3_netif_start(tp);
3728
1da177e4
LT		 3729 if (restart_timer)
3730 mod_timer(&tp->timer, jiffies + 1);
7faa006f 3731
b9ec6c1b 3732out:
7faa006f
MC		 3733 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3734
3735 tg3_full_unlock(tp);
1da177e4
LT		 3736}
3737
b0408751
MC		 3738static void tg3_dump_short_state(struct tg3 *tp)
3739{
3740 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
3741 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
3742 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
3743 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
3744}
3745
1da177e4
LT		 3746static void tg3_tx_timeout(struct net_device *dev)
3747{
3748 struct tg3 *tp = netdev_priv(dev);
3749
b0408751 3750 if (netif_msg_tx_err(tp)) {
9f88f29f
MC		 3751 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3752 dev->name);
b0408751
MC		 3753 tg3_dump_short_state(tp);
3754 }
1da177e4
LT		 3755
3756 schedule_work(&tp->reset_task);
3757}
3758
c58ec932
MC		 3759/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3760static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3761{
3762 u32 base = (u32) mapping & 0xffffffff;
3763
3764 return ((base > 0xffffdcc0) &&
3765 (base + len + 8 < base));
3766}
3767
72f2afb8
MC		 3768/* Test for DMA addresses > 40-bit */
3769static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3770 int len)
3771{
3772#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
6728a8e2 3773 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
72f2afb8
MC		 3774 return (((u64) mapping + len) > DMA_40BIT_MASK);
3775 return 0;
3776#else
3777 return 0;
3778#endif
3779}
3780
1da177e4
LT		 3781static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3782
72f2afb8
MC		 3783/* Workaround 4GB and 40-bit hardware DMA bugs. */
3784static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
c58ec932
MC		 3785 u32 last_plus_one, u32 *start,
3786 u32 base_flags, u32 mss)
1da177e4
LT		 3787{
3788 struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
c58ec932 3789 dma_addr_t new_addr = 0;
1da177e4 3790 u32 entry = *start;
c58ec932 3791 int i, ret = 0;
1da177e4
LT		 3792
3793 if (!new_skb) {
c58ec932
MC		 3794 ret = -1;
3795 } else {
3796 /* New SKB is guaranteed to be linear. */
3797 entry = *start;
3798 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3799 PCI_DMA_TODEVICE);
3800 /* Make sure new skb does not cross any 4G boundaries.
3801 * Drop the packet if it does.
3802 */
3803 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3804 ret = -1;
3805 dev_kfree_skb(new_skb);
3806 new_skb = NULL;
3807 } else {
3808 tg3_set_txd(tp, entry, new_addr, new_skb->len,
3809 base_flags, 1 | (mss << 1));
3810 *start = NEXT_TX(entry);
3811 }
1da177e4
LT		 3812 }
3813
1da177e4
LT		 3814 /* Now clean up the sw ring entries. */
3815 i = 0;
3816 while (entry != last_plus_one) {
3817 int len;
3818
3819 if (i == 0)
3820 len = skb_headlen(skb);
3821 else
3822 len = skb_shinfo(skb)->frags[i-1].size;
3823 pci_unmap_single(tp->pdev,
3824 pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3825 len, PCI_DMA_TODEVICE);
3826 if (i == 0) {
3827 tp->tx_buffers[entry].skb = new_skb;
3828 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3829 } else {
3830 tp->tx_buffers[entry].skb = NULL;
3831 }
3832 entry = NEXT_TX(entry);
3833 i++;
3834 }
3835
3836 dev_kfree_skb(skb);
3837
c58ec932 3838 return ret;
1da177e4
LT		 3839}
3840
3841static void tg3_set_txd(struct tg3 *tp, int entry,
3842 dma_addr_t mapping, int len, u32 flags,
3843 u32 mss_and_is_end)
3844{
3845 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3846 int is_end = (mss_and_is_end & 0x1);
3847 u32 mss = (mss_and_is_end >> 1);
3848 u32 vlan_tag = 0;
3849
3850 if (is_end)
3851 flags |= TXD_FLAG_END;
3852 if (flags & TXD_FLAG_VLAN) {
3853 vlan_tag = flags >> 16;
3854 flags &= 0xffff;
3855 }
3856 vlan_tag |= (mss << TXD_MSS_SHIFT);
3857
3858 txd->addr_hi = ((u64) mapping >> 32);
3859 txd->addr_lo = ((u64) mapping & 0xffffffff);
3860 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3861 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3862}
3863
5a6f3074
MC		 3864/* hard_start_xmit for devices that don't have any bugs and
3865 * support TG3_FLG2_HW_TSO_2 only.
3866 */
1da177e4 3867static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
5a6f3074
MC		 3868{
3869 struct tg3 *tp = netdev_priv(dev);
3870 dma_addr_t mapping;
3871 u32 len, entry, base_flags, mss;
3872
3873 len = skb_headlen(skb);
3874
00b70504
MC		 3875 /* We are running in BH disabled context with netif_tx_lock
3876 * and TX reclaim runs via tp->poll inside of a software
5a6f3074
MC		 3877 * interrupt. Furthermore, IRQ processing runs lockless so we have
3878 * no IRQ context deadlocks to worry about either. Rejoice!
3879 */
1b2a7205 3880 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5a6f3074
MC		 3881 if (!netif_queue_stopped(dev)) {
3882 netif_stop_queue(dev);
3883
3884 /* This is a hard error, log it. */
3885 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3886 "queue awake!\n", dev->name);
3887 }
5a6f3074
MC		 3888 return NETDEV_TX_BUSY;
3889 }
3890
3891 entry = tp->tx_prod;
3892 base_flags = 0;
5a6f3074
MC		 3893 mss = 0;
3894 if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
7967168c 3895 (mss = skb_shinfo(skb)->gso_size) != 0) {
5a6f3074
MC		 3896 int tcp_opt_len, ip_tcp_len;
3897
3898 if (skb_header_cloned(skb) &&
3899 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3900 dev_kfree_skb(skb);
3901 goto out_unlock;
3902 }
3903
b0026624
MC		 3904 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3905 mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3906 else {
3907 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3908 ip_tcp_len = (skb->nh.iph->ihl * 4) +
3909 sizeof(struct tcphdr);
3910
3911 skb->nh.iph->check = 0;
3912 skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
3913 tcp_opt_len);
3914 mss |= (ip_tcp_len + tcp_opt_len) << 9;
3915 }
5a6f3074
MC		 3916
3917 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3918 TXD_FLAG_CPU_POST_DMA);
3919
5a6f3074
MC		 3920 skb->h.th->check = 0;
3921
5a6f3074 3922 }
84fa7933 3923 else if (skb->ip_summed == CHECKSUM_PARTIAL)
5a6f3074 3924 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5a6f3074
MC		 3925#if TG3_VLAN_TAG_USED
3926 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3927 base_flags |= (TXD_FLAG_VLAN |
3928 (vlan_tx_tag_get(skb) << 16));
3929#endif
3930
3931 /* Queue skb data, a.k.a. the main skb fragment. */
3932 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3933
3934 tp->tx_buffers[entry].skb = skb;
3935 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3936
3937 tg3_set_txd(tp, entry, mapping, len, base_flags,
3938 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3939
3940 entry = NEXT_TX(entry);
3941
3942 /* Now loop through additional data fragments, and queue them. */
3943 if (skb_shinfo(skb)->nr_frags > 0) {
3944 unsigned int i, last;
3945
3946 last = skb_shinfo(skb)->nr_frags - 1;
3947 for (i = 0; i <= last; i++) {
3948 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3949
3950 len = frag->size;
3951 mapping = pci_map_page(tp->pdev,
3952 frag->page,
3953 frag->page_offset,
3954 len, PCI_DMA_TODEVICE);
3955
3956 tp->tx_buffers[entry].skb = NULL;
3957 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3958
3959 tg3_set_txd(tp, entry, mapping, len,
3960 base_flags, (i == last) | (mss << 1));
3961
3962 entry = NEXT_TX(entry);
3963 }
3964 }
3965
3966 /* Packets are ready, update Tx producer idx local and on card. */
3967 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3968
3969 tp->tx_prod = entry;
1b2a7205 3970 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5a6f3074 3971 netif_stop_queue(dev);
42952231 3972 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5a6f3074
MC		 3973 netif_wake_queue(tp->dev);
3974 }
3975
3976out_unlock:
3977 mmiowb();
5a6f3074
MC		 3978
3979 dev->trans_start = jiffies;
3980
3981 return NETDEV_TX_OK;
3982}
3983
52c0fd83
MC		 3984static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
3985
3986/* Use GSO to workaround a rare TSO bug that may be triggered when the
3987 * TSO header is greater than 80 bytes.
3988 */
3989static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
3990{
3991 struct sk_buff *segs, *nskb;
3992
3993 /* Estimate the number of fragments in the worst case */
1b2a7205 3994 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
52c0fd83 3995 netif_stop_queue(tp->dev);
7f62ad5d
MC		 3996 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
3997 return NETDEV_TX_BUSY;
3998
3999 netif_wake_queue(tp->dev);
52c0fd83
MC		 4000 }
4001
4002 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
4003 if (unlikely(IS_ERR(segs)))
4004 goto tg3_tso_bug_end;
4005
4006 do {
4007 nskb = segs;
4008 segs = segs->next;
4009 nskb->next = NULL;
4010 tg3_start_xmit_dma_bug(nskb, tp->dev);
4011 } while (segs);
4012
4013tg3_tso_bug_end:
4014 dev_kfree_skb(skb);
4015
4016 return NETDEV_TX_OK;
4017}
52c0fd83 4018
5a6f3074
MC		 4019/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
4020 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
4021 */
4022static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
1da177e4
LT		 4023{
4024 struct tg3 *tp = netdev_priv(dev);
4025 dma_addr_t mapping;
1da177e4
LT		 4026 u32 len, entry, base_flags, mss;
4027 int would_hit_hwbug;
1da177e4
LT		 4028
4029 len = skb_headlen(skb);
4030
00b70504
MC		 4031 /* We are running in BH disabled context with netif_tx_lock
4032 * and TX reclaim runs via tp->poll inside of a software
f47c11ee
DM		 4033 * interrupt. Furthermore, IRQ processing runs lockless so we have
4034 * no IRQ context deadlocks to worry about either. Rejoice!
1da177e4 4035 */
1b2a7205 4036 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
1f064a87
SH		 4037 if (!netif_queue_stopped(dev)) {
4038 netif_stop_queue(dev);
4039
4040 /* This is a hard error, log it. */
4041 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4042 "queue awake!\n", dev->name);
4043 }
1da177e4
LT		 4044 return NETDEV_TX_BUSY;
4045 }
4046
4047 entry = tp->tx_prod;
4048 base_flags = 0;
84fa7933 4049 if (skb->ip_summed == CHECKSUM_PARTIAL)
1da177e4 4050 base_flags |= TXD_FLAG_TCPUDP_CSUM;
1da177e4
LT		 4051 mss = 0;
4052 if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
7967168c 4053 (mss = skb_shinfo(skb)->gso_size) != 0) {
52c0fd83 4054 int tcp_opt_len, ip_tcp_len, hdr_len;
1da177e4
LT		 4055
4056 if (skb_header_cloned(skb) &&
4057 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4058 dev_kfree_skb(skb);
4059 goto out_unlock;
4060 }
4061
4062 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4063 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
4064
52c0fd83
MC		 4065 hdr_len = ip_tcp_len + tcp_opt_len;
4066 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
7f62ad5d 4067 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
52c0fd83
MC		 4068 return (tg3_tso_bug(tp, skb));
4069
1da177e4
LT		 4070 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4071 TXD_FLAG_CPU_POST_DMA);
4072
4073 skb->nh.iph->check = 0;
52c0fd83 4074 skb->nh.iph->tot_len = htons(mss + hdr_len);
1da177e4
LT		 4075 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4076 skb->h.th->check = 0;
4077 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4078 }
4079 else {
4080 skb->h.th->check =
4081 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4082 skb->nh.iph->daddr,
4083 0, IPPROTO_TCP, 0);
4084 }
4085
4086 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4087 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4088 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4089 int tsflags;
4090
4091 tsflags = ((skb->nh.iph->ihl - 5) +
4092 (tcp_opt_len >> 2));
4093 mss |= (tsflags << 11);
4094 }
4095 } else {
4096 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4097 int tsflags;
4098
4099 tsflags = ((skb->nh.iph->ihl - 5) +
4100 (tcp_opt_len >> 2));
4101 base_flags |= tsflags << 12;
4102 }
4103 }
4104 }
1da177e4
LT		 4105#if TG3_VLAN_TAG_USED
4106 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4107 base_flags |= (TXD_FLAG_VLAN |
4108 (vlan_tx_tag_get(skb) << 16));
4109#endif
4110
4111 /* Queue skb data, a.k.a. the main skb fragment. */
4112 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4113
4114 tp->tx_buffers[entry].skb = skb;
4115 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4116
4117 would_hit_hwbug = 0;
4118
4119 if (tg3_4g_overflow_test(mapping, len))
c58ec932 4120 would_hit_hwbug = 1;
1da177e4
LT		 4121
4122 tg3_set_txd(tp, entry, mapping, len, base_flags,
4123 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4124
4125 entry = NEXT_TX(entry);
4126
4127 /* Now loop through additional data fragments, and queue them. */
4128 if (skb_shinfo(skb)->nr_frags > 0) {
4129 unsigned int i, last;
4130
4131 last = skb_shinfo(skb)->nr_frags - 1;
4132 for (i = 0; i <= last; i++) {
4133 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4134
4135 len = frag->size;
4136 mapping = pci_map_page(tp->pdev,
4137 frag->page,
4138 frag->page_offset,
4139 len, PCI_DMA_TODEVICE);
4140
4141 tp->tx_buffers[entry].skb = NULL;
4142 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4143
c58ec932
MC		 4144 if (tg3_4g_overflow_test(mapping, len))
4145 would_hit_hwbug = 1;
1da177e4 4146
72f2afb8
MC		 4147 if (tg3_40bit_overflow_test(tp, mapping, len))
4148 would_hit_hwbug = 1;
4149
1da177e4
LT		 4150 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4151 tg3_set_txd(tp, entry, mapping, len,
4152 base_flags, (i == last)|(mss << 1));
4153 else
4154 tg3_set_txd(tp, entry, mapping, len,
4155 base_flags, (i == last));
4156
4157 entry = NEXT_TX(entry);
4158 }
4159 }
4160
4161 if (would_hit_hwbug) {
4162 u32 last_plus_one = entry;
4163 u32 start;
1da177e4 4164
c58ec932
MC		 4165 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4166 start &= (TG3_TX_RING_SIZE - 1);
1da177e4
LT		 4167
4168 /* If the workaround fails due to memory/mapping
4169 * failure, silently drop this packet.
4170 */
72f2afb8 4171 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
c58ec932 4172 &start, base_flags, mss))
1da177e4
LT		 4173 goto out_unlock;
4174
4175 entry = start;
4176 }
4177
4178 /* Packets are ready, update Tx producer idx local and on card. */
4179 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4180
4181 tp->tx_prod = entry;
1b2a7205 4182 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
1da177e4 4183 netif_stop_queue(dev);
42952231 4184 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
51b91468
MC		 4185 netif_wake_queue(tp->dev);
4186 }
1da177e4
LT		 4187
4188out_unlock:
4189 mmiowb();
1da177e4
LT		 4190
4191 dev->trans_start = jiffies;
4192
4193 return NETDEV_TX_OK;
4194}
4195
4196static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4197 int new_mtu)
4198{
4199 dev->mtu = new_mtu;
4200
ef7f5ec0 4201 if (new_mtu > ETH_DATA_LEN) {
a4e2b347 4202 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
ef7f5ec0
MC		 4203 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4204 ethtool_op_set_tso(dev, 0);
4205 }
4206 else
4207 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4208 } else {
a4e2b347 4209 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
ef7f5ec0 4210 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
0f893dc6 4211 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
ef7f5ec0 4212 }
1da177e4
LT		 4213}
4214
4215static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4216{
4217 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 4218 int err;
1da177e4
LT		 4219
4220 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4221 return -EINVAL;
4222
4223 if (!netif_running(dev)) {
4224 /* We'll just catch it later when the
4225 * device is up'd.
4226 */
4227 tg3_set_mtu(dev, tp, new_mtu);
4228 return 0;
4229 }
4230
4231 tg3_netif_stop(tp);
f47c11ee
DM		 4232
4233 tg3_full_lock(tp, 1);
1da177e4 4234
944d980e 4235 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 4236
4237 tg3_set_mtu(dev, tp, new_mtu);
4238
b9ec6c1b 4239 err = tg3_restart_hw(tp, 0);
1da177e4 4240
b9ec6c1b
MC		 4241 if (!err)
4242 tg3_netif_start(tp);
1da177e4 4243
f47c11ee 4244 tg3_full_unlock(tp);
1da177e4 4245
b9ec6c1b 4246 return err;
1da177e4
LT		 4247}
4248
4249/* Free up pending packets in all rx/tx rings.
4250 *
4251 * The chip has been shut down and the driver detached from
4252 * the networking, so no interrupts or new tx packets will
4253 * end up in the driver. tp->{tx,}lock is not held and we are not
4254 * in an interrupt context and thus may sleep.
4255 */
4256static void tg3_free_rings(struct tg3 *tp)
4257{
4258 struct ring_info *rxp;
4259 int i;
4260
4261 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4262 rxp = &tp->rx_std_buffers[i];
4263
4264 if (rxp->skb == NULL)
4265 continue;
4266 pci_unmap_single(tp->pdev,
4267 pci_unmap_addr(rxp, mapping),
7e72aad4 4268 tp->rx_pkt_buf_sz - tp->rx_offset,
1da177e4
LT		 4269 PCI_DMA_FROMDEVICE);
4270 dev_kfree_skb_any(rxp->skb);
4271 rxp->skb = NULL;
4272 }
4273
4274 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4275 rxp = &tp->rx_jumbo_buffers[i];
4276
4277 if (rxp->skb == NULL)
4278 continue;
4279 pci_unmap_single(tp->pdev,
4280 pci_unmap_addr(rxp, mapping),
4281 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4282 PCI_DMA_FROMDEVICE);
4283 dev_kfree_skb_any(rxp->skb);
4284 rxp->skb = NULL;
4285 }
4286
4287 for (i = 0; i < TG3_TX_RING_SIZE; ) {
4288 struct tx_ring_info *txp;
4289 struct sk_buff *skb;
4290 int j;
4291
4292 txp = &tp->tx_buffers[i];
4293 skb = txp->skb;
4294
4295 if (skb == NULL) {
4296 i++;
4297 continue;
4298 }
4299
4300 pci_unmap_single(tp->pdev,
4301 pci_unmap_addr(txp, mapping),
4302 skb_headlen(skb),
4303 PCI_DMA_TODEVICE);
4304 txp->skb = NULL;
4305
4306 i++;
4307
4308 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4309 txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4310 pci_unmap_page(tp->pdev,
4311 pci_unmap_addr(txp, mapping),
4312 skb_shinfo(skb)->frags[j].size,
4313 PCI_DMA_TODEVICE);
4314 i++;
4315 }
4316
4317 dev_kfree_skb_any(skb);
4318 }
4319}
4320
4321/* Initialize tx/rx rings for packet processing.
4322 *
4323 * The chip has been shut down and the driver detached from
4324 * the networking, so no interrupts or new tx packets will
4325 * end up in the driver. tp->{tx,}lock are held and thus
4326 * we may not sleep.
4327 */
32d8c572 4328static int tg3_init_rings(struct tg3 *tp)
1da177e4
LT		 4329{
4330 u32 i;
4331
4332 /* Free up all the SKBs. */
4333 tg3_free_rings(tp);
4334
4335 /* Zero out all descriptors. */
4336 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4337 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4338 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4339 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4340
7e72aad4 4341 tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
a4e2b347 4342 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
7e72aad4
MC		 4343 (tp->dev->mtu > ETH_DATA_LEN))
4344 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4345
1da177e4
LT		 4346 /* Initialize invariants of the rings, we only set this
4347 * stuff once. This works because the card does not
4348 * write into the rx buffer posting rings.
4349 */
4350 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4351 struct tg3_rx_buffer_desc *rxd;
4352
4353 rxd = &tp->rx_std[i];
7e72aad4 4354 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
1da177e4
LT		 4355 << RXD_LEN_SHIFT;
4356 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4357 rxd->opaque = (RXD_OPAQUE_RING_STD |
4358 (i << RXD_OPAQUE_INDEX_SHIFT));
4359 }
4360
0f893dc6 4361 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 4362 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4363 struct tg3_rx_buffer_desc *rxd;
4364
4365 rxd = &tp->rx_jumbo[i];
4366 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4367 << RXD_LEN_SHIFT;
4368 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4369 RXD_FLAG_JUMBO;
4370 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4371 (i << RXD_OPAQUE_INDEX_SHIFT));
4372 }
4373 }
4374
4375 /* Now allocate fresh SKBs for each rx ring. */
4376 for (i = 0; i < tp->rx_pending; i++) {
32d8c572
MC		 4377 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4378 printk(KERN_WARNING PFX
4379 "%s: Using a smaller RX standard ring, "
4380 "only %d out of %d buffers were allocated "
4381 "successfully.\n",
4382 tp->dev->name, i, tp->rx_pending);
4383 if (i == 0)
4384 return -ENOMEM;
4385 tp->rx_pending = i;
1da177e4 4386 break;
32d8c572 4387 }
1da177e4
LT		 4388 }
4389
0f893dc6 4390 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 4391 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4392 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
32d8c572
MC		 4393 -1, i) < 0) {
4394 printk(KERN_WARNING PFX
4395 "%s: Using a smaller RX jumbo ring, "
4396 "only %d out of %d buffers were "
4397 "allocated successfully.\n",
4398 tp->dev->name, i, tp->rx_jumbo_pending);
4399 if (i == 0) {
4400 tg3_free_rings(tp);
4401 return -ENOMEM;
4402 }
4403 tp->rx_jumbo_pending = i;
1da177e4 4404 break;
32d8c572 4405 }
1da177e4
LT		 4406 }
4407 }
32d8c572 4408 return 0;
1da177e4
LT		 4409}
4410
4411/*
4412 * Must not be invoked with interrupt sources disabled and
4413 * the hardware shutdown down.
4414 */
4415static void tg3_free_consistent(struct tg3 *tp)
4416{
b4558ea9
JJ		 4417 kfree(tp->rx_std_buffers);
4418 tp->rx_std_buffers = NULL;
1da177e4
LT		 4419 if (tp->rx_std) {
4420 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4421 tp->rx_std, tp->rx_std_mapping);
4422 tp->rx_std = NULL;
4423 }
4424 if (tp->rx_jumbo) {
4425 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4426 tp->rx_jumbo, tp->rx_jumbo_mapping);
4427 tp->rx_jumbo = NULL;
4428 }
4429 if (tp->rx_rcb) {
4430 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4431 tp->rx_rcb, tp->rx_rcb_mapping);
4432 tp->rx_rcb = NULL;
4433 }
4434 if (tp->tx_ring) {
4435 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4436 tp->tx_ring, tp->tx_desc_mapping);
4437 tp->tx_ring = NULL;
4438 }
4439 if (tp->hw_status) {
4440 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4441 tp->hw_status, tp->status_mapping);
4442 tp->hw_status = NULL;
4443 }
4444 if (tp->hw_stats) {
4445 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4446 tp->hw_stats, tp->stats_mapping);
4447 tp->hw_stats = NULL;
4448 }
4449}
4450
4451/*
4452 * Must not be invoked with interrupt sources disabled and
4453 * the hardware shutdown down. Can sleep.
4454 */
4455static int tg3_alloc_consistent(struct tg3 *tp)
4456{
bd2b3343 4457 tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
1da177e4
LT		 4458 (TG3_RX_RING_SIZE +
4459 TG3_RX_JUMBO_RING_SIZE)) +
4460 (sizeof(struct tx_ring_info) *
4461 TG3_TX_RING_SIZE),
4462 GFP_KERNEL);
4463 if (!tp->rx_std_buffers)
4464 return -ENOMEM;
4465
1da177e4
LT		 4466 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4467 tp->tx_buffers = (struct tx_ring_info *)
4468 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4469
4470 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4471 &tp->rx_std_mapping);
4472 if (!tp->rx_std)
4473 goto err_out;
4474
4475 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4476 &tp->rx_jumbo_mapping);
4477
4478 if (!tp->rx_jumbo)
4479 goto err_out;
4480
4481 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4482 &tp->rx_rcb_mapping);
4483 if (!tp->rx_rcb)
4484 goto err_out;
4485
4486 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4487 &tp->tx_desc_mapping);
4488 if (!tp->tx_ring)
4489 goto err_out;
4490
4491 tp->hw_status = pci_alloc_consistent(tp->pdev,
4492 TG3_HW_STATUS_SIZE,
4493 &tp->status_mapping);
4494 if (!tp->hw_status)
4495 goto err_out;
4496
4497 tp->hw_stats = pci_alloc_consistent(tp->pdev,
4498 sizeof(struct tg3_hw_stats),
4499 &tp->stats_mapping);
4500 if (!tp->hw_stats)
4501 goto err_out;
4502
4503 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4504 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4505
4506 return 0;
4507
4508err_out:
4509 tg3_free_consistent(tp);
4510 return -ENOMEM;
4511}
4512
4513#define MAX_WAIT_CNT 1000
4514
4515/* To stop a block, clear the enable bit and poll till it
4516 * clears. tp->lock is held.
4517 */
b3b7d6be 4518static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
1da177e4
LT		 4519{
4520 unsigned int i;
4521 u32 val;
4522
4523 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4524 switch (ofs) {
4525 case RCVLSC_MODE:
4526 case DMAC_MODE:
4527 case MBFREE_MODE:
4528 case BUFMGR_MODE:
4529 case MEMARB_MODE:
4530 /* We can't enable/disable these bits of the
4531 * 5705/5750, just say success.
4532 */
4533 return 0;
4534
4535 default:
4536 break;
4537 };
4538 }
4539
4540 val = tr32(ofs);
4541 val &= ~enable_bit;
4542 tw32_f(ofs, val);
4543
4544 for (i = 0; i < MAX_WAIT_CNT; i++) {
4545 udelay(100);
4546 val = tr32(ofs);
4547 if ((val & enable_bit) == 0)
4548 break;
4549 }
4550
b3b7d6be 4551 if (i == MAX_WAIT_CNT && !silent) {
1da177e4
LT		 4552 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4553 "ofs=%lx enable_bit=%x\n",
4554 ofs, enable_bit);
4555 return -ENODEV;
4556 }
4557
4558 return 0;
4559}
4560
4561/* tp->lock is held. */
b3b7d6be 4562static int tg3_abort_hw(struct tg3 *tp, int silent)
1da177e4
LT		 4563{
4564 int i, err;
4565
4566 tg3_disable_ints(tp);
4567
4568 tp->rx_mode &= ~RX_MODE_ENABLE;
4569 tw32_f(MAC_RX_MODE, tp->rx_mode);
4570 udelay(10);
4571
b3b7d6be
DM		 4572 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4573 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4574 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4575 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4576 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4577 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4578
4579 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4580 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4581 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4582 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4583 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4584 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4585 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
1da177e4
LT		 4586
4587 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4588 tw32_f(MAC_MODE, tp->mac_mode);
4589 udelay(40);
4590
4591 tp->tx_mode &= ~TX_MODE_ENABLE;
4592 tw32_f(MAC_TX_MODE, tp->tx_mode);
4593
4594 for (i = 0; i < MAX_WAIT_CNT; i++) {
4595 udelay(100);
4596 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4597 break;
4598 }
4599 if (i >= MAX_WAIT_CNT) {
4600 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4601 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4602 tp->dev->name, tr32(MAC_TX_MODE));
e6de8ad1 4603 err |= -ENODEV;
1da177e4
LT		 4604 }
4605
e6de8ad1 4606 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
b3b7d6be
DM		 4607 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4608 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
1da177e4
LT		 4609
4610 tw32(FTQ_RESET, 0xffffffff);
4611 tw32(FTQ_RESET, 0x00000000);
4612
b3b7d6be
DM		 4613 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4614 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
1da177e4
LT		 4615
4616 if (tp->hw_status)
4617 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4618 if (tp->hw_stats)
4619 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4620
1da177e4
LT		 4621 return err;
4622}
4623
4624/* tp->lock is held. */
4625static int tg3_nvram_lock(struct tg3 *tp)
4626{
4627 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4628 int i;
4629
ec41c7df
MC		 4630 if (tp->nvram_lock_cnt == 0) {
4631 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4632 for (i = 0; i < 8000; i++) {
4633 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4634 break;
4635 udelay(20);
4636 }
4637 if (i == 8000) {
4638 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4639 return -ENODEV;
4640 }
1da177e4 4641 }
ec41c7df 4642 tp->nvram_lock_cnt++;
1da177e4
LT		 4643 }
4644 return 0;
4645}
4646
4647/* tp->lock is held. */
4648static void tg3_nvram_unlock(struct tg3 *tp)
4649{
ec41c7df
MC		 4650 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4651 if (tp->nvram_lock_cnt > 0)
4652 tp->nvram_lock_cnt--;
4653 if (tp->nvram_lock_cnt == 0)
4654 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4655 }
1da177e4
LT		 4656}
4657
e6af301b
MC		 4658/* tp->lock is held. */
4659static void tg3_enable_nvram_access(struct tg3 *tp)
4660{
4661 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4662 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4663 u32 nvaccess = tr32(NVRAM_ACCESS);
4664
4665 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4666 }
4667}
4668
4669/* tp->lock is held. */
4670static void tg3_disable_nvram_access(struct tg3 *tp)
4671{
4672 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4673 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4674 u32 nvaccess = tr32(NVRAM_ACCESS);
4675
4676 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4677 }
4678}
4679
1da177e4
LT		 4680/* tp->lock is held. */
4681static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4682{
f49639e6
DM		 4683 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4684 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
1da177e4
LT		 4685
4686 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4687 switch (kind) {
4688 case RESET_KIND_INIT:
4689 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4690 DRV_STATE_START);
4691 break;
4692
4693 case RESET_KIND_SHUTDOWN:
4694 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4695 DRV_STATE_UNLOAD);
4696 break;
4697
4698 case RESET_KIND_SUSPEND:
4699 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4700 DRV_STATE_SUSPEND);
4701 break;
4702
4703 default:
4704 break;
4705 };
4706 }
4707}
4708
4709/* tp->lock is held. */
4710static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4711{
4712 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4713 switch (kind) {
4714 case RESET_KIND_INIT:
4715 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4716 DRV_STATE_START_DONE);
4717 break;
4718
4719 case RESET_KIND_SHUTDOWN:
4720 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4721 DRV_STATE_UNLOAD_DONE);
4722 break;
4723
4724 default:
4725 break;
4726 };
4727 }
4728}
4729
4730/* tp->lock is held. */
4731static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4732{
4733 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4734 switch (kind) {
4735 case RESET_KIND_INIT:
4736 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4737 DRV_STATE_START);
4738 break;
4739
4740 case RESET_KIND_SHUTDOWN:
4741 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4742 DRV_STATE_UNLOAD);
4743 break;
4744
4745 case RESET_KIND_SUSPEND:
4746 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4747 DRV_STATE_SUSPEND);
4748 break;
4749
4750 default:
4751 break;
4752 };
4753 }
4754}
4755
7a6f4369
MC		 4756static int tg3_poll_fw(struct tg3 *tp)
4757{
4758 int i;
4759 u32 val;
4760
b5d3772c 4761 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
0ccead18
GZ		 4762 /* Wait up to 20ms for init done. */
4763 for (i = 0; i < 200; i++) {
b5d3772c
MC		 4764 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4765 return 0;
0ccead18 4766 udelay(100);
b5d3772c
MC		 4767 }
4768 return -ENODEV;
4769 }
4770
7a6f4369
MC		 4771 /* Wait for firmware initialization to complete. */
4772 for (i = 0; i < 100000; i++) {
4773 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4774 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4775 break;
4776 udelay(10);
4777 }
4778
4779 /* Chip might not be fitted with firmware. Some Sun onboard
4780 * parts are configured like that. So don't signal the timeout
4781 * of the above loop as an error, but do report the lack of
4782 * running firmware once.
4783 */
4784 if (i >= 100000 &&
4785 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4786 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4787
4788 printk(KERN_INFO PFX "%s: No firmware running.\n",
4789 tp->dev->name);
4790 }
4791
4792 return 0;
4793}
4794
1da177e4
LT		 4795static void tg3_stop_fw(struct tg3 *);
4796
4797/* tp->lock is held. */
4798static int tg3_chip_reset(struct tg3 *tp)
4799{
4800 u32 val;
1ee582d8 4801 void (*write_op)(struct tg3 *, u32, u32);
7a6f4369 4802 int err;
1da177e4 4803
f49639e6
DM		 4804 tg3_nvram_lock(tp);
4805
4806 /* No matching tg3_nvram_unlock() after this because
4807 * chip reset below will undo the nvram lock.
4808 */
4809 tp->nvram_lock_cnt = 0;
1da177e4 4810
d9ab5ad1 4811 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
af36e6b6 4812 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1
MC		 4813 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4814 tw32(GRC_FASTBOOT_PC, 0);
4815
1da177e4
LT		 4816 /*
4817 * We must avoid the readl() that normally takes place.
4818 * It locks machines, causes machine checks, and other
4819 * fun things. So, temporarily disable the 5701
4820 * hardware workaround, while we do the reset.
4821 */
1ee582d8
MC		 4822 write_op = tp->write32;
4823 if (write_op == tg3_write_flush_reg32)
4824 tp->write32 = tg3_write32;
1da177e4
LT		 4825
4826 /* do the reset */
4827 val = GRC_MISC_CFG_CORECLK_RESET;
4828
4829 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4830 if (tr32(0x7e2c) == 0x60) {
4831 tw32(0x7e2c, 0x20);
4832 }
4833 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4834 tw32(GRC_MISC_CFG, (1 << 29));
4835 val |= (1 << 29);
4836 }
4837 }
4838
b5d3772c
MC		 4839 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4840 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4841 tw32(GRC_VCPU_EXT_CTRL,
4842 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4843 }
4844
1da177e4
LT		 4845 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4846 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4847 tw32(GRC_MISC_CFG, val);
4848
1ee582d8
MC		 4849 /* restore 5701 hardware bug workaround write method */
4850 tp->write32 = write_op;
1da177e4
LT		 4851
4852 /* Unfortunately, we have to delay before the PCI read back.
4853 * Some 575X chips even will not respond to a PCI cfg access
4854 * when the reset command is given to the chip.
4855 *
4856 * How do these hardware designers expect things to work
4857 * properly if the PCI write is posted for a long period
4858 * of time? It is always necessary to have some method by
4859 * which a register read back can occur to push the write
4860 * out which does the reset.
4861 *
4862 * For most tg3 variants the trick below was working.
4863 * Ho hum...
4864 */
4865 udelay(120);
4866
4867 /* Flush PCI posted writes. The normal MMIO registers
4868 * are inaccessible at this time so this is the only
4869 * way to make this reliably (actually, this is no longer
4870 * the case, see above). I tried to use indirect
4871 * register read/write but this upset some 5701 variants.
4872 */
4873 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4874
4875 udelay(120);
4876
4877 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4878 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4879 int i;
4880 u32 cfg_val;
4881
4882 /* Wait for link training to complete. */
4883 for (i = 0; i < 5000; i++)
4884 udelay(100);
4885
4886 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4887 pci_write_config_dword(tp->pdev, 0xc4,
4888 cfg_val | (1 << 15));
4889 }
4890 /* Set PCIE max payload size and clear error status. */
4891 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4892 }
4893
4894 /* Re-enable indirect register accesses. */
4895 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4896 tp->misc_host_ctrl);
4897
4898 /* Set MAX PCI retry to zero. */
4899 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4900 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4901 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4902 val |= PCISTATE_RETRY_SAME_DMA;
4903 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4904
4905 pci_restore_state(tp->pdev);
4906
4907 /* Make sure PCI-X relaxed ordering bit is clear. */
4908 pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4909 val &= ~PCIX_CAPS_RELAXED_ORDERING;
4910 pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4911
a4e2b347 4912 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4cf78e4f
MC		 4913 u32 val;
4914
4915 /* Chip reset on 5780 will reset MSI enable bit,
4916 * so need to restore it.
4917 */
4918 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4919 u16 ctrl;
4920
4921 pci_read_config_word(tp->pdev,
4922 tp->msi_cap + PCI_MSI_FLAGS,
4923 &ctrl);
4924 pci_write_config_word(tp->pdev,
4925 tp->msi_cap + PCI_MSI_FLAGS,
4926 ctrl | PCI_MSI_FLAGS_ENABLE);
4927 val = tr32(MSGINT_MODE);
4928 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4929 }
4930
4931 val = tr32(MEMARB_MODE);
4932 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4933
4934 } else
4935 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
1da177e4
LT		 4936
4937 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4938 tg3_stop_fw(tp);
4939 tw32(0x5000, 0x400);
4940 }
4941
4942 tw32(GRC_MODE, tp->grc_mode);
4943
4944 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4945 u32 val = tr32(0xc4);
4946
4947 tw32(0xc4, val | (1 << 15));
4948 }
4949
4950 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4951 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4952 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4953 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4954 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4955 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4956 }
4957
4958 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4959 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4960 tw32_f(MAC_MODE, tp->mac_mode);
747e8f8b
MC		 4961 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4962 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4963 tw32_f(MAC_MODE, tp->mac_mode);
1da177e4
LT		 4964 } else
4965 tw32_f(MAC_MODE, 0);
4966 udelay(40);
4967
7a6f4369
MC		 4968 err = tg3_poll_fw(tp);
4969 if (err)
4970 return err;
1da177e4
LT		 4971
4972 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4973 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4974 u32 val = tr32(0x7c00);
4975
4976 tw32(0x7c00, val | (1 << 25));
4977 }
4978
4979 /* Reprobe ASF enable state. */
4980 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
4981 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
4982 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
4983 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
4984 u32 nic_cfg;
4985
4986 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
4987 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
4988 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 4989 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 4990 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
4991 }
4992 }
4993
4994 return 0;
4995}
4996
4997/* tp->lock is held. */
4998static void tg3_stop_fw(struct tg3 *tp)
4999{
5000 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5001 u32 val;
5002 int i;
5003
5004 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
5005 val = tr32(GRC_RX_CPU_EVENT);
5006 val |= (1 << 14);
5007 tw32(GRC_RX_CPU_EVENT, val);
5008
5009 /* Wait for RX cpu to ACK the event. */
5010 for (i = 0; i < 100; i++) {
5011 if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
5012 break;
5013 udelay(1);
5014 }
5015 }
5016}
5017
5018/* tp->lock is held. */
944d980e 5019static int tg3_halt(struct tg3 *tp, int kind, int silent)
1da177e4
LT		 5020{
5021 int err;
5022
5023 tg3_stop_fw(tp);
5024
944d980e 5025 tg3_write_sig_pre_reset(tp, kind);
1da177e4 5026
b3b7d6be 5027 tg3_abort_hw(tp, silent);
1da177e4
LT		 5028 err = tg3_chip_reset(tp);
5029
944d980e
MC		 5030 tg3_write_sig_legacy(tp, kind);
5031 tg3_write_sig_post_reset(tp, kind);
1da177e4
LT		 5032
5033 if (err)
5034 return err;
5035
5036 return 0;
5037}
5038
5039#define TG3_FW_RELEASE_MAJOR 0x0
5040#define TG3_FW_RELASE_MINOR 0x0
5041#define TG3_FW_RELEASE_FIX 0x0
5042#define TG3_FW_START_ADDR 0x08000000
5043#define TG3_FW_TEXT_ADDR 0x08000000
5044#define TG3_FW_TEXT_LEN 0x9c0
5045#define TG3_FW_RODATA_ADDR 0x080009c0
5046#define TG3_FW_RODATA_LEN 0x60
5047#define TG3_FW_DATA_ADDR 0x08000a40
5048#define TG3_FW_DATA_LEN 0x20
5049#define TG3_FW_SBSS_ADDR 0x08000a60
5050#define TG3_FW_SBSS_LEN 0xc
5051#define TG3_FW_BSS_ADDR 0x08000a70
5052#define TG3_FW_BSS_LEN 0x10
5053
50da859d 5054static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
1da177e4
LT		 5055 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5056 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5057 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5058 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5059 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5060 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5061 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5062 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5063 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5064 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5065 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5066 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5067 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5068 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5069 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5070 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5071 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5072 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5073 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5074 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5075 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5076 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5077 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5078 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5079 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5080 0, 0, 0, 0, 0, 0,
5081 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5082 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5083 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5084 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5085 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5086 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5087 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5088 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5089 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5090 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5091 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5092 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5093 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5094 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5095 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5096 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5097 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5098 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5099 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5100 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5101 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5102 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5103 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5104 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5105 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5106 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5107 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5108 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5109 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5110 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5111 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5112 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5113 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5114 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5115 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5116 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5117 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5118 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5119 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5120 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5121 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5122 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5123 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5124 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5125 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5126 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5127 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5128 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5129 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5130 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5131 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5132 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5133 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5134 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5135 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5136 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5137 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5138 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5139 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5140 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5141 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5142 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5143 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5144 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5145 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5146};
5147
50da859d 5148static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
1da177e4
LT		 5149 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5150 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5151 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5152 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5153 0x00000000
5154};
5155
5156#if 0 /* All zeros, don't eat up space with it. */
5157u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5158 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5159 0x00000000, 0x00000000, 0x00000000, 0x00000000
5160};
5161#endif
5162
5163#define RX_CPU_SCRATCH_BASE 0x30000
5164#define RX_CPU_SCRATCH_SIZE 0x04000
5165#define TX_CPU_SCRATCH_BASE 0x34000
5166#define TX_CPU_SCRATCH_SIZE 0x04000
5167
5168/* tp->lock is held. */
5169static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5170{
5171 int i;
5172
5d9428de
ES		 5173 BUG_ON(offset == TX_CPU_BASE &&
5174 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
1da177e4 5175
b5d3772c
MC		 5176 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5177 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5178
5179 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5180 return 0;
5181 }
1da177e4
LT		 5182 if (offset == RX_CPU_BASE) {
5183 for (i = 0; i < 10000; i++) {
5184 tw32(offset + CPU_STATE, 0xffffffff);
5185 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5186 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5187 break;
5188 }
5189
5190 tw32(offset + CPU_STATE, 0xffffffff);
5191 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
5192 udelay(10);
5193 } else {
5194 for (i = 0; i < 10000; i++) {
5195 tw32(offset + CPU_STATE, 0xffffffff);
5196 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5197 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5198 break;
5199 }
5200 }
5201
5202 if (i >= 10000) {
5203 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5204 "and %s CPU\n",
5205 tp->dev->name,
5206 (offset == RX_CPU_BASE ? "RX" : "TX"));
5207 return -ENODEV;
5208 }
ec41c7df
MC		 5209
5210 /* Clear firmware's nvram arbitration. */
5211 if (tp->tg3_flags & TG3_FLAG_NVRAM)
5212 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
1da177e4
LT		 5213 return 0;
5214}
5215
5216struct fw_info {
5217 unsigned int text_base;
5218 unsigned int text_len;
50da859d 5219 const u32 *text_data;
1da177e4
LT		 5220 unsigned int rodata_base;
5221 unsigned int rodata_len;
50da859d 5222 const u32 *rodata_data;
1da177e4
LT		 5223 unsigned int data_base;
5224 unsigned int data_len;
50da859d 5225 const u32 *data_data;
1da177e4
LT		 5226};
5227
5228/* tp->lock is held. */
5229static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5230 int cpu_scratch_size, struct fw_info *info)
5231{
ec41c7df 5232 int err, lock_err, i;
1da177e4
LT		 5233 void (*write_op)(struct tg3 *, u32, u32);
5234
5235 if (cpu_base == TX_CPU_BASE &&
5236 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5237 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5238 "TX cpu firmware on %s which is 5705.\n",
5239 tp->dev->name);
5240 return -EINVAL;
5241 }
5242
5243 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5244 write_op = tg3_write_mem;
5245 else
5246 write_op = tg3_write_indirect_reg32;
5247
1b628151
MC		 5248 /* It is possible that bootcode is still loading at this point.
5249 * Get the nvram lock first before halting the cpu.
5250 */
ec41c7df 5251 lock_err = tg3_nvram_lock(tp);
1da177e4 5252 err = tg3_halt_cpu(tp, cpu_base);
ec41c7df
MC		 5253 if (!lock_err)
5254 tg3_nvram_unlock(tp);
1da177e4
LT		 5255 if (err)
5256 goto out;
5257
5258 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5259 write_op(tp, cpu_scratch_base + i, 0);
5260 tw32(cpu_base + CPU_STATE, 0xffffffff);
5261 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5262 for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5263 write_op(tp, (cpu_scratch_base +
5264 (info->text_base & 0xffff) +
5265 (i * sizeof(u32))),
5266 (info->text_data ?
5267 info->text_data[i] : 0));
5268 for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5269 write_op(tp, (cpu_scratch_base +
5270 (info->rodata_base & 0xffff) +
5271 (i * sizeof(u32))),
5272 (info->rodata_data ?
5273 info->rodata_data[i] : 0));
5274 for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5275 write_op(tp, (cpu_scratch_base +
5276 (info->data_base & 0xffff) +
5277 (i * sizeof(u32))),
5278 (info->data_data ?
5279 info->data_data[i] : 0));
5280
5281 err = 0;
5282
5283out:
1da177e4
LT		 5284 return err;
5285}
5286
5287/* tp->lock is held. */
5288static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5289{
5290 struct fw_info info;
5291 int err, i;
5292
5293 info.text_base = TG3_FW_TEXT_ADDR;
5294 info.text_len = TG3_FW_TEXT_LEN;
5295 info.text_data = &tg3FwText[0];
5296 info.rodata_base = TG3_FW_RODATA_ADDR;
5297 info.rodata_len = TG3_FW_RODATA_LEN;
5298 info.rodata_data = &tg3FwRodata[0];
5299 info.data_base = TG3_FW_DATA_ADDR;
5300 info.data_len = TG3_FW_DATA_LEN;
5301 info.data_data = NULL;
5302
5303 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5304 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5305 &info);
5306 if (err)
5307 return err;
5308
5309 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5310 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5311 &info);
5312 if (err)
5313 return err;
5314
5315 /* Now startup only the RX cpu. */
5316 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5317 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5318
5319 for (i = 0; i < 5; i++) {
5320 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5321 break;
5322 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5323 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
5324 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5325 udelay(1000);
5326 }
5327 if (i >= 5) {
5328 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5329 "to set RX CPU PC, is %08x should be %08x\n",
5330 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5331 TG3_FW_TEXT_ADDR);
5332 return -ENODEV;
5333 }
5334 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5335 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
5336
5337 return 0;
5338}
5339
1da177e4
LT		 5340
5341#define TG3_TSO_FW_RELEASE_MAJOR 0x1
5342#define TG3_TSO_FW_RELASE_MINOR 0x6
5343#define TG3_TSO_FW_RELEASE_FIX 0x0
5344#define TG3_TSO_FW_START_ADDR 0x08000000
5345#define TG3_TSO_FW_TEXT_ADDR 0x08000000
5346#define TG3_TSO_FW_TEXT_LEN 0x1aa0
5347#define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
5348#define TG3_TSO_FW_RODATA_LEN 0x60
5349#define TG3_TSO_FW_DATA_ADDR 0x08001b20
5350#define TG3_TSO_FW_DATA_LEN 0x30
5351#define TG3_TSO_FW_SBSS_ADDR 0x08001b50
5352#define TG3_TSO_FW_SBSS_LEN 0x2c
5353#define TG3_TSO_FW_BSS_ADDR 0x08001b80
5354#define TG3_TSO_FW_BSS_LEN 0x894
5355
50da859d 5356static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
1da177e4
LT		 5357 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5358 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5359 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5360 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5361 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5362 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5363 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5364 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5365 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5366 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5367 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5368 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5369 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5370 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5371 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5372 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5373 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5374 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5375 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5376 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5377 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5378 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5379 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5380 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5381 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5382 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5383 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5384 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5385 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5386 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5387 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5388 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5389 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5390 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5391 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5392 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5393 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5394 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5395 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5396 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5397 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5398 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5399 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5400 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5401 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5402 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5403 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5404 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5405 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5406 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5407 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5408 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5409 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5410 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5411 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5412 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5413 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5414 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5415 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5416 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5417 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5418 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5419 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5420 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5421 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5422 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5423 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5424 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5425 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5426 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5427 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5428 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5429 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5430 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5431 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5432 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5433 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5434 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5435 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5436 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5437 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5438 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5439 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5440 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5441 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5442 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5443 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5444 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5445 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5446 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5447 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5448 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5449 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5450 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5451 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5452 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5453 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5454 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5455 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5456 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5457 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5458 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5459 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5460 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5461 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5462 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5463 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5464 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5465 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5466 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5467 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5468 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5469 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5470 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5471 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5472 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5473 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5474 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5475 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5476 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5477 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5478 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5479 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5480 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5481 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5482 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5483 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5484 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5485 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5486 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5487 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5488 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5489 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5490 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5491 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5492 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5493 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5494 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5495 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5496 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5497 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5498 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5499 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5500 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5501 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5502 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5503 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5504 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5505 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5506 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5507 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5508 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5509 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5510 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5511 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5512 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5513 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5514 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5515 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5516 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5517 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5518 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5519 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5520 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5521 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5522 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5523 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5524 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5525 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5526 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5527 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5528 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5529 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5530 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5531 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5532 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5533 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5534 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5535 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5536 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5537 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5538 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5539 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5540 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5541 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5542 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5543 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5544 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5545 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5546 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5547 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5548 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5549 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5550 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5551 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5552 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5553 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5554 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5555 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5556 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5557 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5558 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5559 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5560 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5561 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5562 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5563 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5564 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5565 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5566 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5567 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5568 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5569 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5570 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5571 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5572 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5573 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5574 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5575 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5576 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5577 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5578 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5579 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5580 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5581 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5582 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5583 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5584 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5585 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5586 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5587 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5588 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5589 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5590 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5591 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5592 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5593 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5594 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5595 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5596 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5597 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5598 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5599 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5600 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5601 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5602 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5603 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5604 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5605 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5606 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5607 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5608 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5609 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5610 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5611 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5612 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5613 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5614 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5615 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5616 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5617 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5618 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5619 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5620 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5621 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5622 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5623 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5624 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5625 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5626 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5627 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5628 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5629 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5630 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5631 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5632 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5633 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5634 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5635 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5636 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5637 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5638 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5639 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5640 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5641};
5642
50da859d 5643static const u32 tg3TsoFwRodata[] = {
1da177e4
LT		 5644 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5645 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5646 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5647 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5648 0x00000000,
5649};
5650
50da859d 5651static const u32 tg3TsoFwData[] = {
1da177e4
LT		 5652 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5653 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5654 0x00000000,
5655};
5656
5657/* 5705 needs a special version of the TSO firmware. */
5658#define TG3_TSO5_FW_RELEASE_MAJOR 0x1
5659#define TG3_TSO5_FW_RELASE_MINOR 0x2
5660#define TG3_TSO5_FW_RELEASE_FIX 0x0
5661#define TG3_TSO5_FW_START_ADDR 0x00010000
5662#define TG3_TSO5_FW_TEXT_ADDR 0x00010000
5663#define TG3_TSO5_FW_TEXT_LEN 0xe90
5664#define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
5665#define TG3_TSO5_FW_RODATA_LEN 0x50
5666#define TG3_TSO5_FW_DATA_ADDR 0x00010f00
5667#define TG3_TSO5_FW_DATA_LEN 0x20
5668#define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
5669#define TG3_TSO5_FW_SBSS_LEN 0x28
5670#define TG3_TSO5_FW_BSS_ADDR 0x00010f50
5671#define TG3_TSO5_FW_BSS_LEN 0x88
5672
50da859d 5673static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
1da177e4
LT		 5674 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5675 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5676 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5677 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5678 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5679 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5680 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5681 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5682 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5683 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5684 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5685 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5686 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5687 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5688 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5689 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5690 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5691 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5692 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5693 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5694 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5695 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5696 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5697 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5698 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5699 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5700 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5701 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5702 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5703 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5704 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5705 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5706 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5707 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5708 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5709 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5710 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5711 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5712 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5713 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5714 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5715 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5716 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5717 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5718 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5719 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5720 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5721 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5722 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5723 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5724 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5725 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5726 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5727 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5728 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5729 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5730 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5731 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5732 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5733 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5734 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5735 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5736 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5737 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5738 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5739 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5740 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5741 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5742 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5743 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5744 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5745 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5746 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5747 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5748 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5749 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5750 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5751 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5752 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5753 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5754 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5755 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5756 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5757 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5758 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5759 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5760 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5761 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5762 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5763 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5764 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5765 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5766 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5767 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5768 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5769 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5770 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5771 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5772 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5773 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5774 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5775 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5776 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5777 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5778 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5779 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5780 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5781 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5782 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5783 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5784 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5785 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5786 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5787 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5788 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5789 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5790 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5791 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5792 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5793 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5794 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5795 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5796 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5797 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5798 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5799 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5800 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5801 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5802 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5803 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5804 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5805 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5806 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5807 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5808 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5809 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5810 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5811 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5812 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5813 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5814 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5815 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5816 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5817 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5818 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5819 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5820 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5821 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5822 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5823 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5824 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5825 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5826 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5827 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5828 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5829 0x00000000, 0x00000000, 0x00000000,
5830};
5831
50da859d 5832static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
1da177e4
LT		 5833 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5834 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5835 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5836 0x00000000, 0x00000000, 0x00000000,
5837};
5838
50da859d 5839static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
1da177e4
LT		 5840 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5841 0x00000000, 0x00000000, 0x00000000,
5842};
5843
5844/* tp->lock is held. */
5845static int tg3_load_tso_firmware(struct tg3 *tp)
5846{
5847 struct fw_info info;
5848 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5849 int err, i;
5850
5851 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5852 return 0;
5853
5854 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5855 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5856 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5857 info.text_data = &tg3Tso5FwText[0];
5858 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5859 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5860 info.rodata_data = &tg3Tso5FwRodata[0];
5861 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5862 info.data_len = TG3_TSO5_FW_DATA_LEN;
5863 info.data_data = &tg3Tso5FwData[0];
5864 cpu_base = RX_CPU_BASE;
5865 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5866 cpu_scratch_size = (info.text_len +
5867 info.rodata_len +
5868 info.data_len +
5869 TG3_TSO5_FW_SBSS_LEN +
5870 TG3_TSO5_FW_BSS_LEN);
5871 } else {
5872 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5873 info.text_len = TG3_TSO_FW_TEXT_LEN;
5874 info.text_data = &tg3TsoFwText[0];
5875 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5876 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5877 info.rodata_data = &tg3TsoFwRodata[0];
5878 info.data_base = TG3_TSO_FW_DATA_ADDR;
5879 info.data_len = TG3_TSO_FW_DATA_LEN;
5880 info.data_data = &tg3TsoFwData[0];
5881 cpu_base = TX_CPU_BASE;
5882 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5883 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5884 }
5885
5886 err = tg3_load_firmware_cpu(tp, cpu_base,
5887 cpu_scratch_base, cpu_scratch_size,
5888 &info);
5889 if (err)
5890 return err;
5891
5892 /* Now startup the cpu. */
5893 tw32(cpu_base + CPU_STATE, 0xffffffff);
5894 tw32_f(cpu_base + CPU_PC, info.text_base);
5895
5896 for (i = 0; i < 5; i++) {
5897 if (tr32(cpu_base + CPU_PC) == info.text_base)
5898 break;
5899 tw32(cpu_base + CPU_STATE, 0xffffffff);
5900 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
5901 tw32_f(cpu_base + CPU_PC, info.text_base);
5902 udelay(1000);
5903 }
5904 if (i >= 5) {
5905 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5906 "to set CPU PC, is %08x should be %08x\n",
5907 tp->dev->name, tr32(cpu_base + CPU_PC),
5908 info.text_base);
5909 return -ENODEV;
5910 }
5911 tw32(cpu_base + CPU_STATE, 0xffffffff);
5912 tw32_f(cpu_base + CPU_MODE, 0x00000000);
5913 return 0;
5914}
5915
1da177e4
LT		 5916
5917/* tp->lock is held. */
5918static void __tg3_set_mac_addr(struct tg3 *tp)
5919{
5920 u32 addr_high, addr_low;
5921 int i;
5922
5923 addr_high = ((tp->dev->dev_addr[0] << 8) |
5924 tp->dev->dev_addr[1]);
5925 addr_low = ((tp->dev->dev_addr[2] << 24) |
5926 (tp->dev->dev_addr[3] << 16) |
5927 (tp->dev->dev_addr[4] << 8) |
5928 (tp->dev->dev_addr[5] << 0));
5929 for (i = 0; i < 4; i++) {
5930 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5931 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5932 }
5933
5934 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5935 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5936 for (i = 0; i < 12; i++) {
5937 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5938 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5939 }
5940 }
5941
5942 addr_high = (tp->dev->dev_addr[0] +
5943 tp->dev->dev_addr[1] +
5944 tp->dev->dev_addr[2] +
5945 tp->dev->dev_addr[3] +
5946 tp->dev->dev_addr[4] +
5947 tp->dev->dev_addr[5]) &
5948 TX_BACKOFF_SEED_MASK;
5949 tw32(MAC_TX_BACKOFF_SEED, addr_high);
5950}
5951
5952static int tg3_set_mac_addr(struct net_device *dev, void *p)
5953{
5954 struct tg3 *tp = netdev_priv(dev);
5955 struct sockaddr *addr = p;
b9ec6c1b 5956 int err = 0;
1da177e4 5957
f9804ddb
MC		 5958 if (!is_valid_ether_addr(addr->sa_data))
5959 return -EINVAL;
5960
1da177e4
LT		 5961 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5962
e75f7c90
MC		 5963 if (!netif_running(dev))
5964 return 0;
5965
58712ef9
MC		 5966 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5967 /* Reset chip so that ASF can re-init any MAC addresses it
5968 * needs.
5969 */
5970 tg3_netif_stop(tp);
5971 tg3_full_lock(tp, 1);
5972
5973 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 5974 err = tg3_restart_hw(tp, 0);
5975 if (!err)
5976 tg3_netif_start(tp);
58712ef9
MC		 5977 tg3_full_unlock(tp);
5978 } else {
5979 spin_lock_bh(&tp->lock);
5980 __tg3_set_mac_addr(tp);
5981 spin_unlock_bh(&tp->lock);
5982 }
1da177e4 5983
b9ec6c1b 5984 return err;
1da177e4
LT		 5985}
5986
5987/* tp->lock is held. */
5988static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
5989 dma_addr_t mapping, u32 maxlen_flags,
5990 u32 nic_addr)
5991{
5992 tg3_write_mem(tp,
5993 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
5994 ((u64) mapping >> 32));
5995 tg3_write_mem(tp,
5996 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
5997 ((u64) mapping & 0xffffffff));
5998 tg3_write_mem(tp,
5999 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6000 maxlen_flags);
6001
6002 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6003 tg3_write_mem(tp,
6004 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6005 nic_addr);
6006}
6007
6008static void __tg3_set_rx_mode(struct net_device *);
d244c892 6009static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
15f9850d
DM		 6010{
6011 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6012 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6013 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6014 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6015 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6016 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6017 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6018 }
6019 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6020 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6021 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6022 u32 val = ec->stats_block_coalesce_usecs;
6023
6024 if (!netif_carrier_ok(tp->dev))
6025 val = 0;
6026
6027 tw32(HOSTCC_STAT_COAL_TICKS, val);
6028 }
6029}
1da177e4
LT		 6030
6031/* tp->lock is held. */
8e7a22e3 6032static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 6033{
6034 u32 val, rdmac_mode;
6035 int i, err, limit;
6036
6037 tg3_disable_ints(tp);
6038
6039 tg3_stop_fw(tp);
6040
6041 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6042
6043 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
e6de8ad1 6044 tg3_abort_hw(tp, 1);
1da177e4
LT		 6045 }
6046
36da4d86 6047 if (reset_phy)
d4d2c558
MC		 6048 tg3_phy_reset(tp);
6049
1da177e4
LT		 6050 err = tg3_chip_reset(tp);
6051 if (err)
6052 return err;
6053
6054 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6055
6056 /* This works around an issue with Athlon chipsets on
6057 * B3 tigon3 silicon. This bit has no effect on any
6058 * other revision. But do not set this on PCI Express
6059 * chips.
6060 */
6061 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6062 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6063 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6064
6065 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6066 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6067 val = tr32(TG3PCI_PCISTATE);
6068 val |= PCISTATE_RETRY_SAME_DMA;
6069 tw32(TG3PCI_PCISTATE, val);
6070 }
6071
6072 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6073 /* Enable some hw fixes. */
6074 val = tr32(TG3PCI_MSI_DATA);
6075 val |= (1 << 26) | (1 << 28) | (1 << 29);
6076 tw32(TG3PCI_MSI_DATA, val);
6077 }
6078
6079 /* Descriptor ring init may make accesses to the
6080 * NIC SRAM area to setup the TX descriptors, so we
6081 * can only do this after the hardware has been
6082 * successfully reset.
6083 */
32d8c572
MC		 6084 err = tg3_init_rings(tp);
6085 if (err)
6086 return err;
1da177e4
LT		 6087
6088 /* This value is determined during the probe time DMA
6089 * engine test, tg3_test_dma.
6090 */
6091 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6092
6093 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6094 GRC_MODE_4X_NIC_SEND_RINGS |
6095 GRC_MODE_NO_TX_PHDR_CSUM |
6096 GRC_MODE_NO_RX_PHDR_CSUM);
6097 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
d2d746f8
MC		 6098
6099 /* Pseudo-header checksum is done by hardware logic and not
6100 * the offload processers, so make the chip do the pseudo-
6101 * header checksums on receive. For transmit it is more
6102 * convenient to do the pseudo-header checksum in software
6103 * as Linux does that on transmit for us in all cases.
6104 */
6105 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
1da177e4
LT		 6106
6107 tw32(GRC_MODE,
6108 tp->grc_mode |
6109 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6110
6111 /* Setup the timer prescalar register. Clock is always 66Mhz. */
6112 val = tr32(GRC_MISC_CFG);
6113 val &= ~0xff;
6114 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6115 tw32(GRC_MISC_CFG, val);
6116
6117 /* Initialize MBUF/DESC pool. */
cbf46853 6118 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
1da177e4
LT		 6119 /* Do nothing. */
6120 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6121 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6122 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6123 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6124 else
6125 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6126 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6127 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6128 }
1da177e4
LT		 6129 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6130 int fw_len;
6131
6132 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6133 TG3_TSO5_FW_RODATA_LEN +
6134 TG3_TSO5_FW_DATA_LEN +
6135 TG3_TSO5_FW_SBSS_LEN +
6136 TG3_TSO5_FW_BSS_LEN);
6137 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6138 tw32(BUFMGR_MB_POOL_ADDR,
6139 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6140 tw32(BUFMGR_MB_POOL_SIZE,
6141 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6142 }
1da177e4 6143
0f893dc6 6144 if (tp->dev->mtu <= ETH_DATA_LEN) {
1da177e4
LT		 6145 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6146 tp->bufmgr_config.mbuf_read_dma_low_water);
6147 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6148 tp->bufmgr_config.mbuf_mac_rx_low_water);
6149 tw32(BUFMGR_MB_HIGH_WATER,
6150 tp->bufmgr_config.mbuf_high_water);
6151 } else {
6152 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6153 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6154 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6155 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6156 tw32(BUFMGR_MB_HIGH_WATER,
6157 tp->bufmgr_config.mbuf_high_water_jumbo);
6158 }
6159 tw32(BUFMGR_DMA_LOW_WATER,
6160 tp->bufmgr_config.dma_low_water);
6161 tw32(BUFMGR_DMA_HIGH_WATER,
6162 tp->bufmgr_config.dma_high_water);
6163
6164 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6165 for (i = 0; i < 2000; i++) {
6166 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6167 break;
6168 udelay(10);
6169 }
6170 if (i >= 2000) {
6171 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6172 tp->dev->name);
6173 return -ENODEV;
6174 }
6175
6176 /* Setup replenish threshold. */
f92905de
MC		 6177 val = tp->rx_pending / 8;
6178 if (val == 0)
6179 val = 1;
6180 else if (val > tp->rx_std_max_post)
6181 val = tp->rx_std_max_post;
b5d3772c
MC		 6182 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6183 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6184 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6185
6186 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6187 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6188 }
f92905de
MC		 6189
6190 tw32(RCVBDI_STD_THRESH, val);
1da177e4
LT		 6191
6192 /* Initialize TG3_BDINFO's at:
6193 * RCVDBDI_STD_BD: standard eth size rx ring
6194 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
6195 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
6196 *
6197 * like so:
6198 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
6199 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
6200 * ring attribute flags
6201 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
6202 *
6203 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6204 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6205 *
6206 * The size of each ring is fixed in the firmware, but the location is
6207 * configurable.
6208 */
6209 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6210 ((u64) tp->rx_std_mapping >> 32));
6211 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6212 ((u64) tp->rx_std_mapping & 0xffffffff));
6213 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6214 NIC_SRAM_RX_BUFFER_DESC);
6215
6216 /* Don't even try to program the JUMBO/MINI buffer descriptor
6217 * configs on 5705.
6218 */
6219 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6220 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6221 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6222 } else {
6223 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6224 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6225
6226 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6227 BDINFO_FLAGS_DISABLED);
6228
6229 /* Setup replenish threshold. */
6230 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6231
0f893dc6 6232 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
1da177e4
LT		 6233 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6234 ((u64) tp->rx_jumbo_mapping >> 32));
6235 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6236 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6237 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6238 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6239 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6240 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6241 } else {
6242 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6243 BDINFO_FLAGS_DISABLED);
6244 }
6245
6246 }
6247
6248 /* There is only one send ring on 5705/5750, no need to explicitly
6249 * disable the others.
6250 */
6251 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6252 /* Clear out send RCB ring in SRAM. */
6253 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6254 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6255 BDINFO_FLAGS_DISABLED);
6256 }
6257
6258 tp->tx_prod = 0;
6259 tp->tx_cons = 0;
6260 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6261 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6262
6263 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6264 tp->tx_desc_mapping,
6265 (TG3_TX_RING_SIZE <<
6266 BDINFO_FLAGS_MAXLEN_SHIFT),
6267 NIC_SRAM_TX_BUFFER_DESC);
6268
6269 /* There is only one receive return ring on 5705/5750, no need
6270 * to explicitly disable the others.
6271 */
6272 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6273 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6274 i += TG3_BDINFO_SIZE) {
6275 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6276 BDINFO_FLAGS_DISABLED);
6277 }
6278 }
6279
6280 tp->rx_rcb_ptr = 0;
6281 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6282
6283 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6284 tp->rx_rcb_mapping,
6285 (TG3_RX_RCB_RING_SIZE(tp) <<
6286 BDINFO_FLAGS_MAXLEN_SHIFT),
6287 0);
6288
6289 tp->rx_std_ptr = tp->rx_pending;
6290 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6291 tp->rx_std_ptr);
6292
0f893dc6 6293 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
1da177e4
LT		 6294 tp->rx_jumbo_pending : 0;
6295 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6296 tp->rx_jumbo_ptr);
6297
6298 /* Initialize MAC address and backoff seed. */
6299 __tg3_set_mac_addr(tp);
6300
6301 /* MTU + ethernet header + FCS + optional VLAN tag */
6302 tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6303
6304 /* The slot time is changed by tg3_setup_phy if we
6305 * run at gigabit with half duplex.
6306 */
6307 tw32(MAC_TX_LENGTHS,
6308 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6309 (6 << TX_LENGTHS_IPG_SHIFT) |
6310 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6311
6312 /* Receive rules. */
6313 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6314 tw32(RCVLPC_CONFIG, 0x0181);
6315
6316 /* Calculate RDMAC_MODE setting early, we need it to determine
6317 * the RCVLPC_STATE_ENABLE mask.
6318 */
6319 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6320 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6321 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6322 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6323 RDMAC_MODE_LNGREAD_ENAB);
6324 if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6325 rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
85e94ced
MC		 6326
6327 /* If statement applies to 5705 and 5750 PCI devices only */
6328 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6329 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6330 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
1da177e4
LT		 6331 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6332 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6333 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6334 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6335 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6336 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6337 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6338 }
6339 }
6340
85e94ced
MC		 6341 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6342 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6343
1da177e4
LT		 6344 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6345 rdmac_mode |= (1 << 27);
1da177e4
LT		 6346
6347 /* Receive/send statistics. */
1661394e
MC		 6348 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6349 val = tr32(RCVLPC_STATS_ENABLE);
6350 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6351 tw32(RCVLPC_STATS_ENABLE, val);
6352 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6353 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
1da177e4
LT		 6354 val = tr32(RCVLPC_STATS_ENABLE);
6355 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6356 tw32(RCVLPC_STATS_ENABLE, val);
6357 } else {
6358 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6359 }
6360 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6361 tw32(SNDDATAI_STATSENAB, 0xffffff);
6362 tw32(SNDDATAI_STATSCTRL,
6363 (SNDDATAI_SCTRL_ENABLE |
6364 SNDDATAI_SCTRL_FASTUPD));
6365
6366 /* Setup host coalescing engine. */
6367 tw32(HOSTCC_MODE, 0);
6368 for (i = 0; i < 2000; i++) {
6369 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6370 break;
6371 udelay(10);
6372 }
6373
d244c892 6374 __tg3_set_coalesce(tp, &tp->coal);
1da177e4
LT		 6375
6376 /* set status block DMA address */
6377 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6378 ((u64) tp->status_mapping >> 32));
6379 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6380 ((u64) tp->status_mapping & 0xffffffff));
6381
6382 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6383 /* Status/statistics block address. See tg3_timer,
6384 * the tg3_periodic_fetch_stats call there, and
6385 * tg3_get_stats to see how this works for 5705/5750 chips.
6386 */
1da177e4
LT		 6387 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6388 ((u64) tp->stats_mapping >> 32));
6389 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6390 ((u64) tp->stats_mapping & 0xffffffff));
6391 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6392 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6393 }
6394
6395 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6396
6397 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6398 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6399 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6400 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6401
6402 /* Clear statistics/status block in chip, and status block in ram. */
6403 for (i = NIC_SRAM_STATS_BLK;
6404 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6405 i += sizeof(u32)) {
6406 tg3_write_mem(tp, i, 0);
6407 udelay(40);
6408 }
6409 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6410
c94e3941
MC		 6411 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6412 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6413 /* reset to prevent losing 1st rx packet intermittently */
6414 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6415 udelay(10);
6416 }
6417
1da177e4
LT		 6418 tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6419 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6420 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6421 udelay(40);
6422
314fba34 6423 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
9d26e213 6424 * If TG3_FLG2_IS_NIC is zero, we should read the
314fba34
MC		 6425 * register to preserve the GPIO settings for LOMs. The GPIOs,
6426 * whether used as inputs or outputs, are set by boot code after
6427 * reset.
6428 */
9d26e213 6429 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
314fba34
MC		 6430 u32 gpio_mask;
6431
9d26e213
MC		 6432 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
6433 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
6434 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
3e7d83bc
MC		 6435
6436 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6437 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6438 GRC_LCLCTRL_GPIO_OUTPUT3;
6439
af36e6b6
MC		 6440 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6441 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6442
314fba34
MC		 6443 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6444
6445 /* GPIO1 must be driven high for eeprom write protect */
9d26e213
MC		 6446 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
6447 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6448 GRC_LCLCTRL_GPIO_OUTPUT1);
314fba34 6449 }
1da177e4
LT		 6450 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6451 udelay(100);
6452
09ee929c 6453 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
fac9b83e 6454 tp->last_tag = 0;
1da177e4
LT		 6455
6456 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6457 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6458 udelay(40);
6459 }
6460
6461 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6462 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6463 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6464 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6465 WDMAC_MODE_LNGREAD_ENAB);
6466
85e94ced
MC		 6467 /* If statement applies to 5705 and 5750 PCI devices only */
6468 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6469 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6470 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
1da177e4
LT		 6471 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6472 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6473 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6474 /* nothing */
6475 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6476 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6477 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6478 val |= WDMAC_MODE_RX_ACCEL;
6479 }
6480 }
6481
d9ab5ad1 6482 /* Enable host coalescing bug fix */
af36e6b6
MC		 6483 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6484 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
d9ab5ad1
MC		 6485 val |= (1 << 29);
6486
1da177e4
LT		 6487 tw32_f(WDMAC_MODE, val);
6488 udelay(40);
6489
6490 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6491 val = tr32(TG3PCI_X_CAPS);
6492 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6493 val &= ~PCIX_CAPS_BURST_MASK;
6494 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6495 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6496 val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6497 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6498 if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6499 val |= (tp->split_mode_max_reqs <<
6500 PCIX_CAPS_SPLIT_SHIFT);
6501 }
6502 tw32(TG3PCI_X_CAPS, val);
6503 }
6504
6505 tw32_f(RDMAC_MODE, rdmac_mode);
6506 udelay(40);
6507
6508 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6509 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6510 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6511 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6512 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6513 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6514 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6515 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
1da177e4
LT		 6516 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6517 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
1da177e4
LT		 6518 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6519 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6520
6521 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6522 err = tg3_load_5701_a0_firmware_fix(tp);
6523 if (err)
6524 return err;
6525 }
6526
1da177e4
LT		 6527 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6528 err = tg3_load_tso_firmware(tp);
6529 if (err)
6530 return err;
6531 }
1da177e4
LT		 6532
6533 tp->tx_mode = TX_MODE_ENABLE;
6534 tw32_f(MAC_TX_MODE, tp->tx_mode);
6535 udelay(100);
6536
6537 tp->rx_mode = RX_MODE_ENABLE;
af36e6b6
MC		 6538 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6539 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6540
1da177e4
LT		 6541 tw32_f(MAC_RX_MODE, tp->rx_mode);
6542 udelay(10);
6543
6544 if (tp->link_config.phy_is_low_power) {
6545 tp->link_config.phy_is_low_power = 0;
6546 tp->link_config.speed = tp->link_config.orig_speed;
6547 tp->link_config.duplex = tp->link_config.orig_duplex;
6548 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6549 }
6550
6551 tp->mi_mode = MAC_MI_MODE_BASE;
6552 tw32_f(MAC_MI_MODE, tp->mi_mode);
6553 udelay(80);
6554
6555 tw32(MAC_LED_CTRL, tp->led_ctrl);
6556
6557 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
c94e3941 6558 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1da177e4
LT		 6559 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6560 udelay(10);
6561 }
6562 tw32_f(MAC_RX_MODE, tp->rx_mode);
6563 udelay(10);
6564
6565 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6566 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6567 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6568 /* Set drive transmission level to 1.2V */
6569 /* only if the signal pre-emphasis bit is not set */
6570 val = tr32(MAC_SERDES_CFG);
6571 val &= 0xfffff000;
6572 val |= 0x880;
6573 tw32(MAC_SERDES_CFG, val);
6574 }
6575 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6576 tw32(MAC_SERDES_CFG, 0x616000);
6577 }
6578
6579 /* Prevent chip from dropping frames when flow control
6580 * is enabled.
6581 */
6582 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6583
6584 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6585 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6586 /* Use hardware link auto-negotiation */
6587 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6588 }
6589
d4d2c558
MC		 6590 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6591 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6592 u32 tmp;
6593
6594 tmp = tr32(SERDES_RX_CTRL);
6595 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6596 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6597 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6598 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6599 }
6600
36da4d86 6601 err = tg3_setup_phy(tp, 0);
1da177e4
LT		 6602 if (err)
6603 return err;
6604
715116a1
MC		 6605 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6606 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
1da177e4
LT		 6607 u32 tmp;
6608
6609 /* Clear CRC stats. */
569a5df8
MC		 6610 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
6611 tg3_writephy(tp, MII_TG3_TEST1,
6612 tmp | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 6613 tg3_readphy(tp, 0x14, &tmp);
6614 }
6615 }
6616
6617 __tg3_set_rx_mode(tp->dev);
6618
6619 /* Initialize receive rules. */
6620 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
6621 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6622 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
6623 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6624
4cf78e4f 6625 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
a4e2b347 6626 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
1da177e4
LT		 6627 limit = 8;
6628 else
6629 limit = 16;
6630 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6631 limit -= 4;
6632 switch (limit) {
6633 case 16:
6634 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
6635 case 15:
6636 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
6637 case 14:
6638 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
6639 case 13:
6640 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
6641 case 12:
6642 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
6643 case 11:
6644 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
6645 case 10:
6646 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
6647 case 9:
6648 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
6649 case 8:
6650 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
6651 case 7:
6652 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
6653 case 6:
6654 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
6655 case 5:
6656 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
6657 case 4:
6658 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
6659 case 3:
6660 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
6661 case 2:
6662 case 1:
6663
6664 default:
6665 break;
6666 };
6667
6668 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6669
1da177e4
LT		 6670 return 0;
6671}
6672
6673/* Called at device open time to get the chip ready for
6674 * packet processing. Invoked with tp->lock held.
6675 */
8e7a22e3 6676static int tg3_init_hw(struct tg3 *tp, int reset_phy)
1da177e4
LT		 6677{
6678 int err;
6679
6680 /* Force the chip into D0. */
bc1c7567 6681 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 6682 if (err)
6683 goto out;
6684
6685 tg3_switch_clocks(tp);
6686
6687 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6688
8e7a22e3 6689 err = tg3_reset_hw(tp, reset_phy);
1da177e4
LT		 6690
6691out:
6692 return err;
6693}
6694
6695#define TG3_STAT_ADD32(PSTAT, REG) \
6696do { u32 __val = tr32(REG); \
6697 (PSTAT)->low += __val; \
6698 if ((PSTAT)->low < __val) \
6699 (PSTAT)->high += 1; \
6700} while (0)
6701
6702static void tg3_periodic_fetch_stats(struct tg3 *tp)
6703{
6704 struct tg3_hw_stats *sp = tp->hw_stats;
6705
6706 if (!netif_carrier_ok(tp->dev))
6707 return;
6708
6709 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6710 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6711 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6712 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6713 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6714 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6715 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6716 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6717 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6718 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6719 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6720 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6721 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6722
6723 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6724 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6725 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6726 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6727 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6728 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6729 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6730 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6731 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6732 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6733 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6734 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6735 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6736 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
463d305b
MC		 6737
6738 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6739 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6740 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
1da177e4
LT		 6741}
6742
6743static void tg3_timer(unsigned long __opaque)
6744{
6745 struct tg3 *tp = (struct tg3 *) __opaque;
1da177e4 6746
f475f163
MC		 6747 if (tp->irq_sync)
6748 goto restart_timer;
6749
f47c11ee 6750 spin_lock(&tp->lock);
1da177e4 6751
fac9b83e
DM		 6752 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6753 /* All of this garbage is because when using non-tagged
6754 * IRQ status the mailbox/status_block protocol the chip
6755 * uses with the cpu is race prone.
6756 */
6757 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6758 tw32(GRC_LOCAL_CTRL,
6759 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6760 } else {
6761 tw32(HOSTCC_MODE, tp->coalesce_mode |
6762 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6763 }
1da177e4 6764
fac9b83e
DM		 6765 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6766 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
f47c11ee 6767 spin_unlock(&tp->lock);
fac9b83e
DM		 6768 schedule_work(&tp->reset_task);
6769 return;
6770 }
1da177e4
LT		 6771 }
6772
1da177e4
LT		 6773 /* This part only runs once per second. */
6774 if (!--tp->timer_counter) {
fac9b83e
DM		 6775 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6776 tg3_periodic_fetch_stats(tp);
6777
1da177e4
LT		 6778 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6779 u32 mac_stat;
6780 int phy_event;
6781
6782 mac_stat = tr32(MAC_STATUS);
6783
6784 phy_event = 0;
6785 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6786 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6787 phy_event = 1;
6788 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6789 phy_event = 1;
6790
6791 if (phy_event)
6792 tg3_setup_phy(tp, 0);
6793 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6794 u32 mac_stat = tr32(MAC_STATUS);
6795 int need_setup = 0;
6796
6797 if (netif_carrier_ok(tp->dev) &&
6798 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6799 need_setup = 1;
6800 }
6801 if (! netif_carrier_ok(tp->dev) &&
6802 (mac_stat & (MAC_STATUS_PCS_SYNCED |
6803 MAC_STATUS_SIGNAL_DET))) {
6804 need_setup = 1;
6805 }
6806 if (need_setup) {
3d3ebe74
MC		 6807 if (!tp->serdes_counter) {
6808 tw32_f(MAC_MODE,
6809 (tp->mac_mode &
6810 ~MAC_MODE_PORT_MODE_MASK));
6811 udelay(40);
6812 tw32_f(MAC_MODE, tp->mac_mode);
6813 udelay(40);
6814 }
1da177e4
LT		 6815 tg3_setup_phy(tp, 0);
6816 }
747e8f8b
MC		 6817 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6818 tg3_serdes_parallel_detect(tp);
1da177e4
LT		 6819
6820 tp->timer_counter = tp->timer_multiplier;
6821 }
6822
130b8e4d
MC		 6823 /* Heartbeat is only sent once every 2 seconds.
6824 *
6825 * The heartbeat is to tell the ASF firmware that the host
6826 * driver is still alive. In the event that the OS crashes,
6827 * ASF needs to reset the hardware to free up the FIFO space
6828 * that may be filled with rx packets destined for the host.
6829 * If the FIFO is full, ASF will no longer function properly.
6830 *
6831 * Unintended resets have been reported on real time kernels
6832 * where the timer doesn't run on time. Netpoll will also have
6833 * same problem.
6834 *
6835 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6836 * to check the ring condition when the heartbeat is expiring
6837 * before doing the reset. This will prevent most unintended
6838 * resets.
6839 */
1da177e4
LT		 6840 if (!--tp->asf_counter) {
6841 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6842 u32 val;
6843
bbadf503 6844 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
130b8e4d 6845 FWCMD_NICDRV_ALIVE3);
bbadf503 6846 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
28fbef78 6847 /* 5 seconds timeout */
bbadf503 6848 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
1da177e4
LT		 6849 val = tr32(GRC_RX_CPU_EVENT);
6850 val |= (1 << 14);
6851 tw32(GRC_RX_CPU_EVENT, val);
6852 }
6853 tp->asf_counter = tp->asf_multiplier;
6854 }
6855
f47c11ee 6856 spin_unlock(&tp->lock);
1da177e4 6857
f475f163 6858restart_timer:
1da177e4
LT		 6859 tp->timer.expires = jiffies + tp->timer_offset;
6860 add_timer(&tp->timer);
6861}
6862
81789ef5 6863static int tg3_request_irq(struct tg3 *tp)
fcfa0a32 6864{
7d12e780 6865 irq_handler_t fn;
fcfa0a32
MC		 6866 unsigned long flags;
6867 struct net_device *dev = tp->dev;
6868
6869 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6870 fn = tg3_msi;
6871 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6872 fn = tg3_msi_1shot;
1fb9df5d 6873 flags = IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 6874 } else {
6875 fn = tg3_interrupt;
6876 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6877 fn = tg3_interrupt_tagged;
1fb9df5d 6878 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
fcfa0a32
MC		 6879 }
6880 return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6881}
6882
7938109f
MC		 6883static int tg3_test_interrupt(struct tg3 *tp)
6884{
6885 struct net_device *dev = tp->dev;
b16250e3 6886 int err, i, intr_ok = 0;
7938109f 6887
d4bc3927
MC		 6888 if (!netif_running(dev))
6889 return -ENODEV;
6890
7938109f
MC		 6891 tg3_disable_ints(tp);
6892
6893 free_irq(tp->pdev->irq, dev);
6894
6895 err = request_irq(tp->pdev->irq, tg3_test_isr,
1fb9df5d 6896 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
7938109f
MC		 6897 if (err)
6898 return err;
6899
38f3843e 6900 tp->hw_status->status &= ~SD_STATUS_UPDATED;
7938109f
MC		 6901 tg3_enable_ints(tp);
6902
6903 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6904 HOSTCC_MODE_NOW);
6905
6906 for (i = 0; i < 5; i++) {
b16250e3
MC		 6907 u32 int_mbox, misc_host_ctrl;
6908
09ee929c
MC		 6909 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6910 TG3_64BIT_REG_LOW);
b16250e3
MC		 6911 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6912
6913 if ((int_mbox != 0) ||
6914 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
6915 intr_ok = 1;
7938109f 6916 break;
b16250e3
MC		 6917 }
6918
7938109f
MC		 6919 msleep(10);
6920 }
6921
6922 tg3_disable_ints(tp);
6923
6924 free_irq(tp->pdev->irq, dev);
6aa20a22 6925
fcfa0a32 6926 err = tg3_request_irq(tp);
7938109f
MC		 6927
6928 if (err)
6929 return err;
6930
b16250e3 6931 if (intr_ok)
7938109f
MC		 6932 return 0;
6933
6934 return -EIO;
6935}
6936
6937/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
6938 * successfully restored
6939 */
6940static int tg3_test_msi(struct tg3 *tp)
6941{
6942 struct net_device *dev = tp->dev;
6943 int err;
6944 u16 pci_cmd;
6945
6946 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
6947 return 0;
6948
6949 /* Turn off SERR reporting in case MSI terminates with Master
6950 * Abort.
6951 */
6952 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
6953 pci_write_config_word(tp->pdev, PCI_COMMAND,
6954 pci_cmd & ~PCI_COMMAND_SERR);
6955
6956 err = tg3_test_interrupt(tp);
6957
6958 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
6959
6960 if (!err)
6961 return 0;
6962
6963 /* other failures */
6964 if (err != -EIO)
6965 return err;
6966
6967 /* MSI test failed, go back to INTx mode */
6968 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
6969 "switching to INTx mode. Please report this failure to "
6970 "the PCI maintainer and include system chipset information.\n",
6971 tp->dev->name);
6972
6973 free_irq(tp->pdev->irq, dev);
6974 pci_disable_msi(tp->pdev);
6975
6976 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6977
fcfa0a32 6978 err = tg3_request_irq(tp);
7938109f
MC		 6979 if (err)
6980 return err;
6981
6982 /* Need to reset the chip because the MSI cycle may have terminated
6983 * with Master Abort.
6984 */
f47c11ee 6985 tg3_full_lock(tp, 1);
7938109f 6986
944d980e 6987 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8e7a22e3 6988 err = tg3_init_hw(tp, 1);
7938109f 6989
f47c11ee 6990 tg3_full_unlock(tp);
7938109f
MC		 6991
6992 if (err)
6993 free_irq(tp->pdev->irq, dev);
6994
6995 return err;
6996}
6997
1da177e4
LT		 6998static int tg3_open(struct net_device *dev)
6999{
7000 struct tg3 *tp = netdev_priv(dev);
7001 int err;
7002
c49a1561
MC		 7003 netif_carrier_off(tp->dev);
7004
f47c11ee 7005 tg3_full_lock(tp, 0);
1da177e4 7006
bc1c7567 7007 err = tg3_set_power_state(tp, PCI_D0);
12862086
IS		 7008 if (err) {
7009 tg3_full_unlock(tp);
bc1c7567 7010 return err;
12862086 7011 }
bc1c7567 7012
1da177e4
LT		 7013 tg3_disable_ints(tp);
7014 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7015
f47c11ee 7016 tg3_full_unlock(tp);
1da177e4
LT		 7017
7018 /* The placement of this call is tied
7019 * to the setup and use of Host TX descriptors.
7020 */
7021 err = tg3_alloc_consistent(tp);
7022 if (err)
7023 return err;
7024
88b06bc2
MC		 7025 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
7026 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
d4d2c558
MC		 7027 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
7028 !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
7029 (tp->pdev_peer == tp->pdev))) {
fac9b83e
DM		 7030 /* All MSI supporting chips should support tagged
7031 * status. Assert that this is the case.
7032 */
7033 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7034 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7035 "Not using MSI.\n", tp->dev->name);
7036 } else if (pci_enable_msi(tp->pdev) == 0) {
88b06bc2
MC		 7037 u32 msi_mode;
7038
7039 msi_mode = tr32(MSGINT_MODE);
7040 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7041 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7042 }
7043 }
fcfa0a32 7044 err = tg3_request_irq(tp);
1da177e4
LT		 7045
7046 if (err) {
88b06bc2
MC		 7047 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7048 pci_disable_msi(tp->pdev);
7049 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7050 }
1da177e4
LT		 7051 tg3_free_consistent(tp);
7052 return err;
7053 }
7054
f47c11ee 7055 tg3_full_lock(tp, 0);
1da177e4 7056
8e7a22e3 7057 err = tg3_init_hw(tp, 1);
1da177e4 7058 if (err) {
944d980e 7059 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7060 tg3_free_rings(tp);
7061 } else {
fac9b83e
DM		 7062 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7063 tp->timer_offset = HZ;
7064 else
7065 tp->timer_offset = HZ / 10;
7066
7067 BUG_ON(tp->timer_offset > HZ);
7068 tp->timer_counter = tp->timer_multiplier =
7069 (HZ / tp->timer_offset);
7070 tp->asf_counter = tp->asf_multiplier =
28fbef78 7071 ((HZ / tp->timer_offset) * 2);
1da177e4
LT		 7072
7073 init_timer(&tp->timer);
7074 tp->timer.expires = jiffies + tp->timer_offset;
7075 tp->timer.data = (unsigned long) tp;
7076 tp->timer.function = tg3_timer;
1da177e4
LT		 7077 }
7078
f47c11ee 7079 tg3_full_unlock(tp);
1da177e4
LT		 7080
7081 if (err) {
88b06bc2
MC		 7082 free_irq(tp->pdev->irq, dev);
7083 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7084 pci_disable_msi(tp->pdev);
7085 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7086 }
1da177e4
LT		 7087 tg3_free_consistent(tp);
7088 return err;
7089 }
7090
7938109f
MC		 7091 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7092 err = tg3_test_msi(tp);
fac9b83e 7093
7938109f 7094 if (err) {
f47c11ee 7095 tg3_full_lock(tp, 0);
7938109f
MC		 7096
7097 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7098 pci_disable_msi(tp->pdev);
7099 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7100 }
944d980e 7101 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f
MC		 7102 tg3_free_rings(tp);
7103 tg3_free_consistent(tp);
7104
f47c11ee 7105 tg3_full_unlock(tp);
7938109f
MC		 7106
7107 return err;
7108 }
fcfa0a32
MC		 7109
7110 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7111 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
b5d3772c 7112 u32 val = tr32(PCIE_TRANSACTION_CFG);
fcfa0a32 7113
b5d3772c
MC		 7114 tw32(PCIE_TRANSACTION_CFG,
7115 val | PCIE_TRANS_CFG_1SHOT_MSI);
fcfa0a32
MC		 7116 }
7117 }
7938109f
MC		 7118 }
7119
f47c11ee 7120 tg3_full_lock(tp, 0);
1da177e4 7121
7938109f
MC		 7122 add_timer(&tp->timer);
7123 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
1da177e4
LT		 7124 tg3_enable_ints(tp);
7125
f47c11ee 7126 tg3_full_unlock(tp);
1da177e4
LT		 7127
7128 netif_start_queue(dev);
7129
7130 return 0;
7131}
7132
7133#if 0
7134/*static*/ void tg3_dump_state(struct tg3 *tp)
7135{
7136 u32 val32, val32_2, val32_3, val32_4, val32_5;
7137 u16 val16;
7138 int i;
7139
7140 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7141 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7142 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7143 val16, val32);
7144
7145 /* MAC block */
7146 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7147 tr32(MAC_MODE), tr32(MAC_STATUS));
7148 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7149 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7150 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7151 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7152 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7153 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7154
7155 /* Send data initiator control block */
7156 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7157 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7158 printk(" SNDDATAI_STATSCTRL[%08x]\n",
7159 tr32(SNDDATAI_STATSCTRL));
7160
7161 /* Send data completion control block */
7162 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7163
7164 /* Send BD ring selector block */
7165 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7166 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7167
7168 /* Send BD initiator control block */
7169 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7170 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7171
7172 /* Send BD completion control block */
7173 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7174
7175 /* Receive list placement control block */
7176 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7177 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7178 printk(" RCVLPC_STATSCTRL[%08x]\n",
7179 tr32(RCVLPC_STATSCTRL));
7180
7181 /* Receive data and receive BD initiator control block */
7182 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7183 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7184
7185 /* Receive data completion control block */
7186 printk("DEBUG: RCVDCC_MODE[%08x]\n",
7187 tr32(RCVDCC_MODE));
7188
7189 /* Receive BD initiator control block */
7190 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7191 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7192
7193 /* Receive BD completion control block */
7194 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7195 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7196
7197 /* Receive list selector control block */
7198 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7199 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7200
7201 /* Mbuf cluster free block */
7202 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7203 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7204
7205 /* Host coalescing control block */
7206 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7207 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7208 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7209 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7210 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7211 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7212 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7213 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7214 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7215 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7216 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7217 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7218
7219 /* Memory arbiter control block */
7220 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7221 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7222
7223 /* Buffer manager control block */
7224 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7225 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7226 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7227 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7228 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7229 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7230 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7231 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7232
7233 /* Read DMA control block */
7234 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7235 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7236
7237 /* Write DMA control block */
7238 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7239 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7240
7241 /* DMA completion block */
7242 printk("DEBUG: DMAC_MODE[%08x]\n",
7243 tr32(DMAC_MODE));
7244
7245 /* GRC block */
7246 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7247 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7248 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7249 tr32(GRC_LOCAL_CTRL));
7250
7251 /* TG3_BDINFOs */
7252 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7253 tr32(RCVDBDI_JUMBO_BD + 0x0),
7254 tr32(RCVDBDI_JUMBO_BD + 0x4),
7255 tr32(RCVDBDI_JUMBO_BD + 0x8),
7256 tr32(RCVDBDI_JUMBO_BD + 0xc));
7257 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7258 tr32(RCVDBDI_STD_BD + 0x0),
7259 tr32(RCVDBDI_STD_BD + 0x4),
7260 tr32(RCVDBDI_STD_BD + 0x8),
7261 tr32(RCVDBDI_STD_BD + 0xc));
7262 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7263 tr32(RCVDBDI_MINI_BD + 0x0),
7264 tr32(RCVDBDI_MINI_BD + 0x4),
7265 tr32(RCVDBDI_MINI_BD + 0x8),
7266 tr32(RCVDBDI_MINI_BD + 0xc));
7267
7268 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7269 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7270 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7271 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7272 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7273 val32, val32_2, val32_3, val32_4);
7274
7275 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7276 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7277 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7278 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7279 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7280 val32, val32_2, val32_3, val32_4);
7281
7282 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7283 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7284 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7285 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7286 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7287 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7288 val32, val32_2, val32_3, val32_4, val32_5);
7289
7290 /* SW status block */
7291 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7292 tp->hw_status->status,
7293 tp->hw_status->status_tag,
7294 tp->hw_status->rx_jumbo_consumer,
7295 tp->hw_status->rx_consumer,
7296 tp->hw_status->rx_mini_consumer,
7297 tp->hw_status->idx[0].rx_producer,
7298 tp->hw_status->idx[0].tx_consumer);
7299
7300 /* SW statistics block */
7301 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7302 ((u32 *)tp->hw_stats)[0],
7303 ((u32 *)tp->hw_stats)[1],
7304 ((u32 *)tp->hw_stats)[2],
7305 ((u32 *)tp->hw_stats)[3]);
7306
7307 /* Mailboxes */
7308 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
09ee929c
MC		 7309 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7310 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7311 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7312 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
1da177e4
LT		 7313
7314 /* NIC side send descriptors. */
7315 for (i = 0; i < 6; i++) {
7316 unsigned long txd;
7317
7318 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7319 + (i * sizeof(struct tg3_tx_buffer_desc));
7320 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7321 i,
7322 readl(txd + 0x0), readl(txd + 0x4),
7323 readl(txd + 0x8), readl(txd + 0xc));
7324 }
7325
7326 /* NIC side RX descriptors. */
7327 for (i = 0; i < 6; i++) {
7328 unsigned long rxd;
7329
7330 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7331 + (i * sizeof(struct tg3_rx_buffer_desc));
7332 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7333 i,
7334 readl(rxd + 0x0), readl(rxd + 0x4),
7335 readl(rxd + 0x8), readl(rxd + 0xc));
7336 rxd += (4 * sizeof(u32));
7337 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7338 i,
7339 readl(rxd + 0x0), readl(rxd + 0x4),
7340 readl(rxd + 0x8), readl(rxd + 0xc));
7341 }
7342
7343 for (i = 0; i < 6; i++) {
7344 unsigned long rxd;
7345
7346 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7347 + (i * sizeof(struct tg3_rx_buffer_desc));
7348 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7349 i,
7350 readl(rxd + 0x0), readl(rxd + 0x4),
7351 readl(rxd + 0x8), readl(rxd + 0xc));
7352 rxd += (4 * sizeof(u32));
7353 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7354 i,
7355 readl(rxd + 0x0), readl(rxd + 0x4),
7356 readl(rxd + 0x8), readl(rxd + 0xc));
7357 }
7358}
7359#endif
7360
7361static struct net_device_stats *tg3_get_stats(struct net_device *);
7362static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7363
7364static int tg3_close(struct net_device *dev)
7365{
7366 struct tg3 *tp = netdev_priv(dev);
7367
7faa006f
MC		 7368 /* Calling flush_scheduled_work() may deadlock because
7369 * linkwatch_event() may be on the workqueue and it will try to get
7370 * the rtnl_lock which we are holding.
7371 */
7372 while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
7373 msleep(1);
7374
1da177e4
LT		 7375 netif_stop_queue(dev);
7376
7377 del_timer_sync(&tp->timer);
7378
f47c11ee 7379 tg3_full_lock(tp, 1);
1da177e4
LT		 7380#if 0
7381 tg3_dump_state(tp);
7382#endif
7383
7384 tg3_disable_ints(tp);
7385
944d980e 7386 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 7387 tg3_free_rings(tp);
7388 tp->tg3_flags &=
7389 ~(TG3_FLAG_INIT_COMPLETE |
7390 TG3_FLAG_GOT_SERDES_FLOWCTL);
1da177e4 7391
f47c11ee 7392 tg3_full_unlock(tp);
1da177e4 7393
88b06bc2
MC		 7394 free_irq(tp->pdev->irq, dev);
7395 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7396 pci_disable_msi(tp->pdev);
7397 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7398 }
1da177e4
LT		 7399
7400 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7401 sizeof(tp->net_stats_prev));
7402 memcpy(&tp->estats_prev, tg3_get_estats(tp),
7403 sizeof(tp->estats_prev));
7404
7405 tg3_free_consistent(tp);
7406
bc1c7567
MC		 7407 tg3_set_power_state(tp, PCI_D3hot);
7408
7409 netif_carrier_off(tp->dev);
7410
1da177e4
LT		 7411 return 0;
7412}
7413
7414static inline unsigned long get_stat64(tg3_stat64_t *val)
7415{
7416 unsigned long ret;
7417
7418#if (BITS_PER_LONG == 32)
7419 ret = val->low;
7420#else
7421 ret = ((u64)val->high << 32) | ((u64)val->low);
7422#endif
7423 return ret;
7424}
7425
7426static unsigned long calc_crc_errors(struct tg3 *tp)
7427{
7428 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7429
7430 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7431 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7432 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1da177e4
LT		 7433 u32 val;
7434
f47c11ee 7435 spin_lock_bh(&tp->lock);
569a5df8
MC		 7436 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
7437 tg3_writephy(tp, MII_TG3_TEST1,
7438 val | MII_TG3_TEST1_CRC_EN);
1da177e4
LT		 7439 tg3_readphy(tp, 0x14, &val);
7440 } else
7441 val = 0;
f47c11ee 7442 spin_unlock_bh(&tp->lock);
1da177e4
LT		 7443
7444 tp->phy_crc_errors += val;
7445
7446 return tp->phy_crc_errors;
7447 }
7448
7449 return get_stat64(&hw_stats->rx_fcs_errors);
7450}
7451
7452#define ESTAT_ADD(member) \
7453 estats->member = old_estats->member + \
7454 get_stat64(&hw_stats->member)
7455
7456static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7457{
7458 struct tg3_ethtool_stats *estats = &tp->estats;
7459 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7460 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7461
7462 if (!hw_stats)
7463 return old_estats;
7464
7465 ESTAT_ADD(rx_octets);
7466 ESTAT_ADD(rx_fragments);
7467 ESTAT_ADD(rx_ucast_packets);
7468 ESTAT_ADD(rx_mcast_packets);
7469 ESTAT_ADD(rx_bcast_packets);
7470 ESTAT_ADD(rx_fcs_errors);
7471 ESTAT_ADD(rx_align_errors);
7472 ESTAT_ADD(rx_xon_pause_rcvd);
7473 ESTAT_ADD(rx_xoff_pause_rcvd);
7474 ESTAT_ADD(rx_mac_ctrl_rcvd);
7475 ESTAT_ADD(rx_xoff_entered);
7476 ESTAT_ADD(rx_frame_too_long_errors);
7477 ESTAT_ADD(rx_jabbers);
7478 ESTAT_ADD(rx_undersize_packets);
7479 ESTAT_ADD(rx_in_length_errors);
7480 ESTAT_ADD(rx_out_length_errors);
7481 ESTAT_ADD(rx_64_or_less_octet_packets);
7482 ESTAT_ADD(rx_65_to_127_octet_packets);
7483 ESTAT_ADD(rx_128_to_255_octet_packets);
7484 ESTAT_ADD(rx_256_to_511_octet_packets);
7485 ESTAT_ADD(rx_512_to_1023_octet_packets);
7486 ESTAT_ADD(rx_1024_to_1522_octet_packets);
7487 ESTAT_ADD(rx_1523_to_2047_octet_packets);
7488 ESTAT_ADD(rx_2048_to_4095_octet_packets);
7489 ESTAT_ADD(rx_4096_to_8191_octet_packets);
7490 ESTAT_ADD(rx_8192_to_9022_octet_packets);
7491
7492 ESTAT_ADD(tx_octets);
7493 ESTAT_ADD(tx_collisions);
7494 ESTAT_ADD(tx_xon_sent);
7495 ESTAT_ADD(tx_xoff_sent);
7496 ESTAT_ADD(tx_flow_control);
7497 ESTAT_ADD(tx_mac_errors);
7498 ESTAT_ADD(tx_single_collisions);
7499 ESTAT_ADD(tx_mult_collisions);
7500 ESTAT_ADD(tx_deferred);
7501 ESTAT_ADD(tx_excessive_collisions);
7502 ESTAT_ADD(tx_late_collisions);
7503 ESTAT_ADD(tx_collide_2times);
7504 ESTAT_ADD(tx_collide_3times);
7505 ESTAT_ADD(tx_collide_4times);
7506 ESTAT_ADD(tx_collide_5times);
7507 ESTAT_ADD(tx_collide_6times);
7508 ESTAT_ADD(tx_collide_7times);
7509 ESTAT_ADD(tx_collide_8times);
7510 ESTAT_ADD(tx_collide_9times);
7511 ESTAT_ADD(tx_collide_10times);
7512 ESTAT_ADD(tx_collide_11times);
7513 ESTAT_ADD(tx_collide_12times);
7514 ESTAT_ADD(tx_collide_13times);
7515 ESTAT_ADD(tx_collide_14times);
7516 ESTAT_ADD(tx_collide_15times);
7517 ESTAT_ADD(tx_ucast_packets);
7518 ESTAT_ADD(tx_mcast_packets);
7519 ESTAT_ADD(tx_bcast_packets);
7520 ESTAT_ADD(tx_carrier_sense_errors);
7521 ESTAT_ADD(tx_discards);
7522 ESTAT_ADD(tx_errors);
7523
7524 ESTAT_ADD(dma_writeq_full);
7525 ESTAT_ADD(dma_write_prioq_full);
7526 ESTAT_ADD(rxbds_empty);
7527 ESTAT_ADD(rx_discards);
7528 ESTAT_ADD(rx_errors);
7529 ESTAT_ADD(rx_threshold_hit);
7530
7531 ESTAT_ADD(dma_readq_full);
7532 ESTAT_ADD(dma_read_prioq_full);
7533 ESTAT_ADD(tx_comp_queue_full);
7534
7535 ESTAT_ADD(ring_set_send_prod_index);
7536 ESTAT_ADD(ring_status_update);
7537 ESTAT_ADD(nic_irqs);
7538 ESTAT_ADD(nic_avoided_irqs);
7539 ESTAT_ADD(nic_tx_threshold_hit);
7540
7541 return estats;
7542}
7543
7544static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7545{
7546 struct tg3 *tp = netdev_priv(dev);
7547 struct net_device_stats *stats = &tp->net_stats;
7548 struct net_device_stats *old_stats = &tp->net_stats_prev;
7549 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7550
7551 if (!hw_stats)
7552 return old_stats;
7553
7554 stats->rx_packets = old_stats->rx_packets +
7555 get_stat64(&hw_stats->rx_ucast_packets) +
7556 get_stat64(&hw_stats->rx_mcast_packets) +
7557 get_stat64(&hw_stats->rx_bcast_packets);
6aa20a22 7558
1da177e4
LT		 7559 stats->tx_packets = old_stats->tx_packets +
7560 get_stat64(&hw_stats->tx_ucast_packets) +
7561 get_stat64(&hw_stats->tx_mcast_packets) +
7562 get_stat64(&hw_stats->tx_bcast_packets);
7563
7564 stats->rx_bytes = old_stats->rx_bytes +
7565 get_stat64(&hw_stats->rx_octets);
7566 stats->tx_bytes = old_stats->tx_bytes +
7567 get_stat64(&hw_stats->tx_octets);
7568
7569 stats->rx_errors = old_stats->rx_errors +
4f63b877 7570 get_stat64(&hw_stats->rx_errors);
1da177e4
LT		 7571 stats->tx_errors = old_stats->tx_errors +
7572 get_stat64(&hw_stats->tx_errors) +
7573 get_stat64(&hw_stats->tx_mac_errors) +
7574 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7575 get_stat64(&hw_stats->tx_discards);
7576
7577 stats->multicast = old_stats->multicast +
7578 get_stat64(&hw_stats->rx_mcast_packets);
7579 stats->collisions = old_stats->collisions +
7580 get_stat64(&hw_stats->tx_collisions);
7581
7582 stats->rx_length_errors = old_stats->rx_length_errors +
7583 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7584 get_stat64(&hw_stats->rx_undersize_packets);
7585
7586 stats->rx_over_errors = old_stats->rx_over_errors +
7587 get_stat64(&hw_stats->rxbds_empty);
7588 stats->rx_frame_errors = old_stats->rx_frame_errors +
7589 get_stat64(&hw_stats->rx_align_errors);
7590 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7591 get_stat64(&hw_stats->tx_discards);
7592 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7593 get_stat64(&hw_stats->tx_carrier_sense_errors);
7594
7595 stats->rx_crc_errors = old_stats->rx_crc_errors +
7596 calc_crc_errors(tp);
7597
4f63b877
JL		 7598 stats->rx_missed_errors = old_stats->rx_missed_errors +
7599 get_stat64(&hw_stats->rx_discards);
7600
1da177e4
LT		 7601 return stats;
7602}
7603
7604static inline u32 calc_crc(unsigned char *buf, int len)
7605{
7606 u32 reg;
7607 u32 tmp;
7608 int j, k;
7609
7610 reg = 0xffffffff;
7611
7612 for (j = 0; j < len; j++) {
7613 reg ^= buf[j];
7614
7615 for (k = 0; k < 8; k++) {
7616 tmp = reg & 0x01;
7617
7618 reg >>= 1;
7619
7620 if (tmp) {
7621 reg ^= 0xedb88320;
7622 }
7623 }
7624 }
7625
7626 return ~reg;
7627}
7628
7629static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7630{
7631 /* accept or reject all multicast frames */
7632 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7633 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7634 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7635 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7636}
7637
7638static void __tg3_set_rx_mode(struct net_device *dev)
7639{
7640 struct tg3 *tp = netdev_priv(dev);
7641 u32 rx_mode;
7642
7643 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7644 RX_MODE_KEEP_VLAN_TAG);
7645
7646 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7647 * flag clear.
7648 */
7649#if TG3_VLAN_TAG_USED
7650 if (!tp->vlgrp &&
7651 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7652 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7653#else
7654 /* By definition, VLAN is disabled always in this
7655 * case.
7656 */
7657 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7658 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7659#endif
7660
7661 if (dev->flags & IFF_PROMISC) {
7662 /* Promiscuous mode. */
7663 rx_mode |= RX_MODE_PROMISC;
7664 } else if (dev->flags & IFF_ALLMULTI) {
7665 /* Accept all multicast. */
7666 tg3_set_multi (tp, 1);
7667 } else if (dev->mc_count < 1) {
7668 /* Reject all multicast. */
7669 tg3_set_multi (tp, 0);
7670 } else {
7671 /* Accept one or more multicast(s). */
7672 struct dev_mc_list *mclist;
7673 unsigned int i;
7674 u32 mc_filter[4] = { 0, };
7675 u32 regidx;
7676 u32 bit;
7677 u32 crc;
7678
7679 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7680 i++, mclist = mclist->next) {
7681
7682 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7683 bit = ~crc & 0x7f;
7684 regidx = (bit & 0x60) >> 5;
7685 bit &= 0x1f;
7686 mc_filter[regidx] |= (1 << bit);
7687 }
7688
7689 tw32(MAC_HASH_REG_0, mc_filter[0]);
7690 tw32(MAC_HASH_REG_1, mc_filter[1]);
7691 tw32(MAC_HASH_REG_2, mc_filter[2]);
7692 tw32(MAC_HASH_REG_3, mc_filter[3]);
7693 }
7694
7695 if (rx_mode != tp->rx_mode) {
7696 tp->rx_mode = rx_mode;
7697 tw32_f(MAC_RX_MODE, rx_mode);
7698 udelay(10);
7699 }
7700}
7701
7702static void tg3_set_rx_mode(struct net_device *dev)
7703{
7704 struct tg3 *tp = netdev_priv(dev);
7705
e75f7c90
MC		 7706 if (!netif_running(dev))
7707 return;
7708
f47c11ee 7709 tg3_full_lock(tp, 0);
1da177e4 7710 __tg3_set_rx_mode(dev);
f47c11ee 7711 tg3_full_unlock(tp);
1da177e4
LT		 7712}
7713
7714#define TG3_REGDUMP_LEN (32 * 1024)
7715
7716static int tg3_get_regs_len(struct net_device *dev)
7717{
7718 return TG3_REGDUMP_LEN;
7719}
7720
7721static void tg3_get_regs(struct net_device *dev,
7722 struct ethtool_regs *regs, void *_p)
7723{
7724 u32 *p = _p;
7725 struct tg3 *tp = netdev_priv(dev);
7726 u8 *orig_p = _p;
7727 int i;
7728
7729 regs->version = 0;
7730
7731 memset(p, 0, TG3_REGDUMP_LEN);
7732
bc1c7567
MC		 7733 if (tp->link_config.phy_is_low_power)
7734 return;
7735
f47c11ee 7736 tg3_full_lock(tp, 0);
1da177e4
LT		 7737
7738#define __GET_REG32(reg) (*(p)++ = tr32(reg))
7739#define GET_REG32_LOOP(base,len) \
7740do { p = (u32 *)(orig_p + (base)); \
7741 for (i = 0; i < len; i += 4) \
7742 __GET_REG32((base) + i); \
7743} while (0)
7744#define GET_REG32_1(reg) \
7745do { p = (u32 *)(orig_p + (reg)); \
7746 __GET_REG32((reg)); \
7747} while (0)
7748
7749 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7750 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7751 GET_REG32_LOOP(MAC_MODE, 0x4f0);
7752 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7753 GET_REG32_1(SNDDATAC_MODE);
7754 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7755 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7756 GET_REG32_1(SNDBDC_MODE);
7757 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7758 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7759 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7760 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7761 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7762 GET_REG32_1(RCVDCC_MODE);
7763 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7764 GET_REG32_LOOP(RCVCC_MODE, 0x14);
7765 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7766 GET_REG32_1(MBFREE_MODE);
7767 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7768 GET_REG32_LOOP(MEMARB_MODE, 0x10);
7769 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7770 GET_REG32_LOOP(RDMAC_MODE, 0x08);
7771 GET_REG32_LOOP(WDMAC_MODE, 0x08);
091465d7
CE		 7772 GET_REG32_1(RX_CPU_MODE);
7773 GET_REG32_1(RX_CPU_STATE);
7774 GET_REG32_1(RX_CPU_PGMCTR);
7775 GET_REG32_1(RX_CPU_HWBKPT);
7776 GET_REG32_1(TX_CPU_MODE);
7777 GET_REG32_1(TX_CPU_STATE);
7778 GET_REG32_1(TX_CPU_PGMCTR);
1da177e4
LT		 7779 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7780 GET_REG32_LOOP(FTQ_RESET, 0x120);
7781 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7782 GET_REG32_1(DMAC_MODE);
7783 GET_REG32_LOOP(GRC_MODE, 0x4c);
7784 if (tp->tg3_flags & TG3_FLAG_NVRAM)
7785 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7786
7787#undef __GET_REG32
7788#undef GET_REG32_LOOP
7789#undef GET_REG32_1
7790
f47c11ee 7791 tg3_full_unlock(tp);
1da177e4
LT		 7792}
7793
7794static int tg3_get_eeprom_len(struct net_device *dev)
7795{
7796 struct tg3 *tp = netdev_priv(dev);
7797
7798 return tp->nvram_size;
7799}
7800
7801static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
1820180b 7802static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
1da177e4
LT		 7803
7804static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7805{
7806 struct tg3 *tp = netdev_priv(dev);
7807 int ret;
7808 u8 *pd;
7809 u32 i, offset, len, val, b_offset, b_count;
7810
bc1c7567
MC		 7811 if (tp->link_config.phy_is_low_power)
7812 return -EAGAIN;
7813
1da177e4
LT		 7814 offset = eeprom->offset;
7815 len = eeprom->len;
7816 eeprom->len = 0;
7817
7818 eeprom->magic = TG3_EEPROM_MAGIC;
7819
7820 if (offset & 3) {
7821 /* adjustments to start on required 4 byte boundary */
7822 b_offset = offset & 3;
7823 b_count = 4 - b_offset;
7824 if (b_count > len) {
7825 /* i.e. offset=1 len=2 */
7826 b_count = len;
7827 }
7828 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7829 if (ret)
7830 return ret;
7831 val = cpu_to_le32(val);
7832 memcpy(data, ((char*)&val) + b_offset, b_count);
7833 len -= b_count;
7834 offset += b_count;
7835 eeprom->len += b_count;
7836 }
7837
7838 /* read bytes upto the last 4 byte boundary */
7839 pd = &data[eeprom->len];
7840 for (i = 0; i < (len - (len & 3)); i += 4) {
7841 ret = tg3_nvram_read(tp, offset + i, &val);
7842 if (ret) {
7843 eeprom->len += i;
7844 return ret;
7845 }
7846 val = cpu_to_le32(val);
7847 memcpy(pd + i, &val, 4);
7848 }
7849 eeprom->len += i;
7850
7851 if (len & 3) {
7852 /* read last bytes not ending on 4 byte boundary */
7853 pd = &data[eeprom->len];
7854 b_count = len & 3;
7855 b_offset = offset + len - b_count;
7856 ret = tg3_nvram_read(tp, b_offset, &val);
7857 if (ret)
7858 return ret;
7859 val = cpu_to_le32(val);
7860 memcpy(pd, ((char*)&val), b_count);
7861 eeprom->len += b_count;
7862 }
7863 return 0;
7864}
7865
6aa20a22 7866static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
1da177e4
LT		 7867
7868static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7869{
7870 struct tg3 *tp = netdev_priv(dev);
7871 int ret;
7872 u32 offset, len, b_offset, odd_len, start, end;
7873 u8 *buf;
7874
bc1c7567
MC		 7875 if (tp->link_config.phy_is_low_power)
7876 return -EAGAIN;
7877
1da177e4
LT		 7878 if (eeprom->magic != TG3_EEPROM_MAGIC)
7879 return -EINVAL;
7880
7881 offset = eeprom->offset;
7882 len = eeprom->len;
7883
7884 if ((b_offset = (offset & 3))) {
7885 /* adjustments to start on required 4 byte boundary */
7886 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7887 if (ret)
7888 return ret;
7889 start = cpu_to_le32(start);
7890 len += b_offset;
7891 offset &= ~3;
1c8594b4
MC		 7892 if (len < 4)
7893 len = 4;
1da177e4
LT		 7894 }
7895
7896 odd_len = 0;
1c8594b4 7897 if (len & 3) {
1da177e4
LT		 7898 /* adjustments to end on required 4 byte boundary */
7899 odd_len = 1;
7900 len = (len + 3) & ~3;
7901 ret = tg3_nvram_read(tp, offset+len-4, &end);
7902 if (ret)
7903 return ret;
7904 end = cpu_to_le32(end);
7905 }
7906
7907 buf = data;
7908 if (b_offset || odd_len) {
7909 buf = kmalloc(len, GFP_KERNEL);
7910 if (buf == 0)
7911 return -ENOMEM;
7912 if (b_offset)
7913 memcpy(buf, &start, 4);
7914 if (odd_len)
7915 memcpy(buf+len-4, &end, 4);
7916 memcpy(buf + b_offset, data, eeprom->len);
7917 }
7918
7919 ret = tg3_nvram_write_block(tp, offset, len, buf);
7920
7921 if (buf != data)
7922 kfree(buf);
7923
7924 return ret;
7925}
7926
7927static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7928{
7929 struct tg3 *tp = netdev_priv(dev);
6aa20a22 7930
1da177e4
LT		 7931 cmd->supported = (SUPPORTED_Autoneg);
7932
7933 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
7934 cmd->supported |= (SUPPORTED_1000baseT_Half |
7935 SUPPORTED_1000baseT_Full);
7936
ef348144 7937 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1da177e4
LT		 7938 cmd->supported |= (SUPPORTED_100baseT_Half |
7939 SUPPORTED_100baseT_Full |
7940 SUPPORTED_10baseT_Half |
7941 SUPPORTED_10baseT_Full |
7942 SUPPORTED_MII);
ef348144
KK		 7943 cmd->port = PORT_TP;
7944 } else {
1da177e4 7945 cmd->supported |= SUPPORTED_FIBRE;
ef348144
KK		 7946 cmd->port = PORT_FIBRE;
7947 }
6aa20a22 7948
1da177e4
LT		 7949 cmd->advertising = tp->link_config.advertising;
7950 if (netif_running(dev)) {
7951 cmd->speed = tp->link_config.active_speed;
7952 cmd->duplex = tp->link_config.active_duplex;
7953 }
1da177e4
LT		 7954 cmd->phy_address = PHY_ADDR;
7955 cmd->transceiver = 0;
7956 cmd->autoneg = tp->link_config.autoneg;
7957 cmd->maxtxpkt = 0;
7958 cmd->maxrxpkt = 0;
7959 return 0;
7960}
6aa20a22 7961
1da177e4
LT		 7962static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7963{
7964 struct tg3 *tp = netdev_priv(dev);
6aa20a22
JG		 7965
7966 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
1da177e4
LT		 7967 /* These are the only valid advertisement bits allowed. */
7968 if (cmd->autoneg == AUTONEG_ENABLE &&
7969 (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
7970 ADVERTISED_1000baseT_Full |
7971 ADVERTISED_Autoneg |
7972 ADVERTISED_FIBRE)))
7973 return -EINVAL;
37ff238d
MC		 7974 /* Fiber can only do SPEED_1000. */
7975 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7976 (cmd->speed != SPEED_1000))
7977 return -EINVAL;
7978 /* Copper cannot force SPEED_1000. */
7979 } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7980 (cmd->speed == SPEED_1000))
7981 return -EINVAL;
7982 else if ((cmd->speed == SPEED_1000) &&
7983 (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
7984 return -EINVAL;
1da177e4 7985
f47c11ee 7986 tg3_full_lock(tp, 0);
1da177e4
LT		 7987
7988 tp->link_config.autoneg = cmd->autoneg;
7989 if (cmd->autoneg == AUTONEG_ENABLE) {
7990 tp->link_config.advertising = cmd->advertising;
7991 tp->link_config.speed = SPEED_INVALID;
7992 tp->link_config.duplex = DUPLEX_INVALID;
7993 } else {
7994 tp->link_config.advertising = 0;
7995 tp->link_config.speed = cmd->speed;
7996 tp->link_config.duplex = cmd->duplex;
7997 }
6aa20a22 7998
24fcad6b
MC		 7999 tp->link_config.orig_speed = tp->link_config.speed;
8000 tp->link_config.orig_duplex = tp->link_config.duplex;
8001 tp->link_config.orig_autoneg = tp->link_config.autoneg;
8002
1da177e4
LT		 8003 if (netif_running(dev))
8004 tg3_setup_phy(tp, 1);
8005
f47c11ee 8006 tg3_full_unlock(tp);
6aa20a22 8007
1da177e4
LT		 8008 return 0;
8009}
6aa20a22 8010
1da177e4
LT		 8011static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8012{
8013 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8014
1da177e4
LT		 8015 strcpy(info->driver, DRV_MODULE_NAME);
8016 strcpy(info->version, DRV_MODULE_VERSION);
c4e6575c 8017 strcpy(info->fw_version, tp->fw_ver);
1da177e4
LT		 8018 strcpy(info->bus_info, pci_name(tp->pdev));
8019}
6aa20a22 8020
1da177e4
LT		 8021static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8022{
8023 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8024
1da177e4
LT		 8025 wol->supported = WAKE_MAGIC;
8026 wol->wolopts = 0;
8027 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
8028 wol->wolopts = WAKE_MAGIC;
8029 memset(&wol->sopass, 0, sizeof(wol->sopass));
8030}
6aa20a22 8031
1da177e4
LT		 8032static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8033{
8034 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8035
1da177e4
LT		 8036 if (wol->wolopts & ~WAKE_MAGIC)
8037 return -EINVAL;
8038 if ((wol->wolopts & WAKE_MAGIC) &&
3f7045c1 8039 tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
1da177e4
LT		 8040 !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
8041 return -EINVAL;
6aa20a22 8042
f47c11ee 8043 spin_lock_bh(&tp->lock);
1da177e4
LT		 8044 if (wol->wolopts & WAKE_MAGIC)
8045 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8046 else
8047 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
f47c11ee 8048 spin_unlock_bh(&tp->lock);
6aa20a22 8049
1da177e4
LT		 8050 return 0;
8051}
6aa20a22 8052
1da177e4
LT		 8053static u32 tg3_get_msglevel(struct net_device *dev)
8054{
8055 struct tg3 *tp = netdev_priv(dev);
8056 return tp->msg_enable;
8057}
6aa20a22 8058
1da177e4
LT		 8059static void tg3_set_msglevel(struct net_device *dev, u32 value)
8060{
8061 struct tg3 *tp = netdev_priv(dev);
8062 tp->msg_enable = value;
8063}
6aa20a22 8064
1da177e4
LT		 8065static int tg3_set_tso(struct net_device *dev, u32 value)
8066{
8067 struct tg3 *tp = netdev_priv(dev);
8068
8069 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8070 if (value)
8071 return -EINVAL;
8072 return 0;
8073 }
b5d3772c
MC		 8074 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8075 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
b0026624
MC		 8076 if (value)
8077 dev->features |= NETIF_F_TSO6;
8078 else
8079 dev->features &= ~NETIF_F_TSO6;
8080 }
1da177e4
LT		 8081 return ethtool_op_set_tso(dev, value);
8082}
6aa20a22 8083
1da177e4
LT		 8084static int tg3_nway_reset(struct net_device *dev)
8085{
8086 struct tg3 *tp = netdev_priv(dev);
8087 u32 bmcr;
8088 int r;
6aa20a22 8089
1da177e4
LT		 8090 if (!netif_running(dev))
8091 return -EAGAIN;
8092
c94e3941
MC		 8093 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8094 return -EINVAL;
8095
f47c11ee 8096 spin_lock_bh(&tp->lock);
1da177e4
LT		 8097 r = -EINVAL;
8098 tg3_readphy(tp, MII_BMCR, &bmcr);
8099 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
c94e3941
MC		 8100 ((bmcr & BMCR_ANENABLE) ||
8101 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8102 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8103 BMCR_ANENABLE);
1da177e4
LT		 8104 r = 0;
8105 }
f47c11ee 8106 spin_unlock_bh(&tp->lock);
6aa20a22 8107
1da177e4
LT		 8108 return r;
8109}
6aa20a22 8110
1da177e4
LT		 8111static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8112{
8113 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8114
1da177e4
LT		 8115 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8116 ering->rx_mini_max_pending = 0;
4f81c32b
MC		 8117 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8118 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8119 else
8120 ering->rx_jumbo_max_pending = 0;
8121
8122 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
1da177e4
LT		 8123
8124 ering->rx_pending = tp->rx_pending;
8125 ering->rx_mini_pending = 0;
4f81c32b
MC		 8126 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8127 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8128 else
8129 ering->rx_jumbo_pending = 0;
8130
1da177e4
LT		 8131 ering->tx_pending = tp->tx_pending;
8132}
6aa20a22 8133
1da177e4
LT		 8134static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8135{
8136 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 8137 int irq_sync = 0, err = 0;
6aa20a22 8138
1da177e4
LT		 8139 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8140 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
bc3a9254
MC		 8141 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8142 (ering->tx_pending <= MAX_SKB_FRAGS) ||
7f62ad5d 8143 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
bc3a9254 8144 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
1da177e4 8145 return -EINVAL;
6aa20a22 8146
bbe832c0 8147 if (netif_running(dev)) {
1da177e4 8148 tg3_netif_stop(tp);
bbe832c0
MC		 8149 irq_sync = 1;
8150 }
1da177e4 8151
bbe832c0 8152 tg3_full_lock(tp, irq_sync);
6aa20a22 8153
1da177e4
LT		 8154 tp->rx_pending = ering->rx_pending;
8155
8156 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8157 tp->rx_pending > 63)
8158 tp->rx_pending = 63;
8159 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8160 tp->tx_pending = ering->tx_pending;
8161
8162 if (netif_running(dev)) {
944d980e 8163 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 8164 err = tg3_restart_hw(tp, 1);
8165 if (!err)
8166 tg3_netif_start(tp);
1da177e4
LT		 8167 }
8168
f47c11ee 8169 tg3_full_unlock(tp);
6aa20a22 8170
b9ec6c1b 8171 return err;
1da177e4 8172}
6aa20a22 8173
1da177e4
LT		 8174static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8175{
8176 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8177
1da177e4
LT		 8178 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8179 epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8180 epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8181}
6aa20a22 8182
1da177e4
LT		 8183static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8184{
8185 struct tg3 *tp = netdev_priv(dev);
b9ec6c1b 8186 int irq_sync = 0, err = 0;
6aa20a22 8187
bbe832c0 8188 if (netif_running(dev)) {
1da177e4 8189 tg3_netif_stop(tp);
bbe832c0
MC		 8190 irq_sync = 1;
8191 }
1da177e4 8192
bbe832c0 8193 tg3_full_lock(tp, irq_sync);
f47c11ee 8194
1da177e4
LT		 8195 if (epause->autoneg)
8196 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8197 else
8198 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8199 if (epause->rx_pause)
8200 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8201 else
8202 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8203 if (epause->tx_pause)
8204 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8205 else
8206 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8207
8208 if (netif_running(dev)) {
944d980e 8209 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
b9ec6c1b
MC		 8210 err = tg3_restart_hw(tp, 1);
8211 if (!err)
8212 tg3_netif_start(tp);
1da177e4 8213 }
f47c11ee
DM		 8214
8215 tg3_full_unlock(tp);
6aa20a22 8216
b9ec6c1b 8217 return err;
1da177e4 8218}
6aa20a22 8219
1da177e4
LT		 8220static u32 tg3_get_rx_csum(struct net_device *dev)
8221{
8222 struct tg3 *tp = netdev_priv(dev);
8223 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8224}
6aa20a22 8225
1da177e4
LT		 8226static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8227{
8228 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8229
1da177e4
LT		 8230 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8231 if (data != 0)
8232 return -EINVAL;
8233 return 0;
8234 }
6aa20a22 8235
f47c11ee 8236 spin_lock_bh(&tp->lock);
1da177e4
LT		 8237 if (data)
8238 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8239 else
8240 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
f47c11ee 8241 spin_unlock_bh(&tp->lock);
6aa20a22 8242
1da177e4
LT		 8243 return 0;
8244}
6aa20a22 8245
1da177e4
LT		 8246static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8247{
8248 struct tg3 *tp = netdev_priv(dev);
6aa20a22 8249
1da177e4
LT		 8250 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8251 if (data != 0)
8252 return -EINVAL;
8253 return 0;
8254 }
6aa20a22 8255
af36e6b6
MC		 8256 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8257 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9c27dbdf 8258 ethtool_op_set_tx_hw_csum(dev, data);
1da177e4 8259 else
9c27dbdf 8260 ethtool_op_set_tx_csum(dev, data);
1da177e4
LT		 8261
8262 return 0;
8263}
8264
8265static int tg3_get_stats_count (struct net_device *dev)
8266{
8267 return TG3_NUM_STATS;
8268}
8269
4cafd3f5
MC		 8270static int tg3_get_test_count (struct net_device *dev)
8271{
8272 return TG3_NUM_TEST;
8273}
8274
1da177e4
LT		 8275static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8276{
8277 switch (stringset) {
8278 case ETH_SS_STATS:
8279 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8280 break;
4cafd3f5
MC		 8281 case ETH_SS_TEST:
8282 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8283 break;
1da177e4
LT		 8284 default:
8285 WARN_ON(1); /* we need a WARN() */
8286 break;
8287 }
8288}
8289
4009a93d
MC		 8290static int tg3_phys_id(struct net_device *dev, u32 data)
8291{
8292 struct tg3 *tp = netdev_priv(dev);
8293 int i;
8294
8295 if (!netif_running(tp->dev))
8296 return -EAGAIN;
8297
8298 if (data == 0)
8299 data = 2;
8300
8301 for (i = 0; i < (data * 2); i++) {
8302 if ((i % 2) == 0)
8303 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8304 LED_CTRL_1000MBPS_ON |
8305 LED_CTRL_100MBPS_ON |
8306 LED_CTRL_10MBPS_ON |
8307 LED_CTRL_TRAFFIC_OVERRIDE |
8308 LED_CTRL_TRAFFIC_BLINK |
8309 LED_CTRL_TRAFFIC_LED);
6aa20a22 8310
4009a93d
MC		 8311 else
8312 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8313 LED_CTRL_TRAFFIC_OVERRIDE);
8314
8315 if (msleep_interruptible(500))
8316 break;
8317 }
8318 tw32(MAC_LED_CTRL, tp->led_ctrl);
8319 return 0;
8320}
8321
1da177e4
LT		 8322static void tg3_get_ethtool_stats (struct net_device *dev,
8323 struct ethtool_stats *estats, u64 *tmp_stats)
8324{
8325 struct tg3 *tp = netdev_priv(dev);
8326 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8327}
8328
566f86ad 8329#define NVRAM_TEST_SIZE 0x100
1b27777a 8330#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
b16250e3
MC		 8331#define NVRAM_SELFBOOT_HW_SIZE 0x20
8332#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
566f86ad
MC		 8333
8334static int tg3_test_nvram(struct tg3 *tp)
8335{
1b27777a
MC		 8336 u32 *buf, csum, magic;
8337 int i, j, err = 0, size;
566f86ad 8338
1820180b 8339 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
1b27777a
MC		 8340 return -EIO;
8341
1b27777a
MC		 8342 if (magic == TG3_EEPROM_MAGIC)
8343 size = NVRAM_TEST_SIZE;
b16250e3 8344 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 8345 if ((magic & 0xe00000) == 0x200000)
8346 size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8347 else
8348 return 0;
b16250e3
MC		 8349 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8350 size = NVRAM_SELFBOOT_HW_SIZE;
8351 else
1b27777a
MC		 8352 return -EIO;
8353
8354 buf = kmalloc(size, GFP_KERNEL);
566f86ad
MC		 8355 if (buf == NULL)
8356 return -ENOMEM;
8357
1b27777a
MC		 8358 err = -EIO;
8359 for (i = 0, j = 0; i < size; i += 4, j++) {
566f86ad
MC		 8360 u32 val;
8361
8362 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8363 break;
8364 buf[j] = cpu_to_le32(val);
8365 }
1b27777a 8366 if (i < size)
566f86ad
MC		 8367 goto out;
8368
1b27777a 8369 /* Selfboot format */
b16250e3
MC		 8370 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8371 TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 8372 u8 *buf8 = (u8 *) buf, csum8 = 0;
8373
8374 for (i = 0; i < size; i++)
8375 csum8 += buf8[i];
8376
ad96b485
AB		 8377 if (csum8 == 0) {
8378 err = 0;
8379 goto out;
8380 }
8381
8382 err = -EIO;
8383 goto out;
1b27777a 8384 }
566f86ad 8385
b16250e3
MC		 8386 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8387 TG3_EEPROM_MAGIC_HW) {
8388 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8389 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8390 u8 *buf8 = (u8 *) buf;
8391 int j, k;
8392
8393 /* Separate the parity bits and the data bytes. */
8394 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8395 if ((i == 0) || (i == 8)) {
8396 int l;
8397 u8 msk;
8398
8399 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8400 parity[k++] = buf8[i] & msk;
8401 i++;
8402 }
8403 else if (i == 16) {
8404 int l;
8405 u8 msk;
8406
8407 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8408 parity[k++] = buf8[i] & msk;
8409 i++;
8410
8411 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8412 parity[k++] = buf8[i] & msk;
8413 i++;
8414 }
8415 data[j++] = buf8[i];
8416 }
8417
8418 err = -EIO;
8419 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8420 u8 hw8 = hweight8(data[i]);
8421
8422 if ((hw8 & 0x1) && parity[i])
8423 goto out;
8424 else if (!(hw8 & 0x1) && !parity[i])
8425 goto out;
8426 }
8427 err = 0;
8428 goto out;
8429 }
8430
566f86ad
MC		 8431 /* Bootstrap checksum at offset 0x10 */
8432 csum = calc_crc((unsigned char *) buf, 0x10);
8433 if(csum != cpu_to_le32(buf[0x10/4]))
8434 goto out;
8435
8436 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8437 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8438 if (csum != cpu_to_le32(buf[0xfc/4]))
8439 goto out;
8440
8441 err = 0;
8442
8443out:
8444 kfree(buf);
8445 return err;
8446}
8447
ca43007a
MC		 8448#define TG3_SERDES_TIMEOUT_SEC 2
8449#define TG3_COPPER_TIMEOUT_SEC 6
8450
8451static int tg3_test_link(struct tg3 *tp)
8452{
8453 int i, max;
8454
8455 if (!netif_running(tp->dev))
8456 return -ENODEV;
8457
4c987487 8458 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
ca43007a
MC		 8459 max = TG3_SERDES_TIMEOUT_SEC;
8460 else
8461 max = TG3_COPPER_TIMEOUT_SEC;
8462
8463 for (i = 0; i < max; i++) {
8464 if (netif_carrier_ok(tp->dev))
8465 return 0;
8466
8467 if (msleep_interruptible(1000))
8468 break;
8469 }
8470
8471 return -EIO;
8472}
8473
a71116d1 8474/* Only test the commonly used registers */
30ca3e37 8475static int tg3_test_registers(struct tg3 *tp)
a71116d1 8476{
b16250e3 8477 int i, is_5705, is_5750;
a71116d1
MC		 8478 u32 offset, read_mask, write_mask, val, save_val, read_val;
8479 static struct {
8480 u16 offset;
8481 u16 flags;
8482#define TG3_FL_5705 0x1
8483#define TG3_FL_NOT_5705 0x2
8484#define TG3_FL_NOT_5788 0x4
b16250e3 8485#define TG3_FL_NOT_5750 0x8
a71116d1
MC		 8486 u32 read_mask;
8487 u32 write_mask;
8488 } reg_tbl[] = {
8489 /* MAC Control Registers */
8490 { MAC_MODE, TG3_FL_NOT_5705,
8491 0x00000000, 0x00ef6f8c },
8492 { MAC_MODE, TG3_FL_5705,
8493 0x00000000, 0x01ef6b8c },
8494 { MAC_STATUS, TG3_FL_NOT_5705,
8495 0x03800107, 0x00000000 },
8496 { MAC_STATUS, TG3_FL_5705,
8497 0x03800100, 0x00000000 },
8498 { MAC_ADDR_0_HIGH, 0x0000,
8499 0x00000000, 0x0000ffff },
8500 { MAC_ADDR_0_LOW, 0x0000,
8501 0x00000000, 0xffffffff },
8502 { MAC_RX_MTU_SIZE, 0x0000,
8503 0x00000000, 0x0000ffff },
8504 { MAC_TX_MODE, 0x0000,
8505 0x00000000, 0x00000070 },
8506 { MAC_TX_LENGTHS, 0x0000,
8507 0x00000000, 0x00003fff },
8508 { MAC_RX_MODE, TG3_FL_NOT_5705,
8509 0x00000000, 0x000007fc },
8510 { MAC_RX_MODE, TG3_FL_5705,
8511 0x00000000, 0x000007dc },
8512 { MAC_HASH_REG_0, 0x0000,
8513 0x00000000, 0xffffffff },
8514 { MAC_HASH_REG_1, 0x0000,
8515 0x00000000, 0xffffffff },
8516 { MAC_HASH_REG_2, 0x0000,
8517 0x00000000, 0xffffffff },
8518 { MAC_HASH_REG_3, 0x0000,
8519 0x00000000, 0xffffffff },
8520
8521 /* Receive Data and Receive BD Initiator Control Registers. */
8522 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8523 0x00000000, 0xffffffff },
8524 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8525 0x00000000, 0xffffffff },
8526 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8527 0x00000000, 0x00000003 },
8528 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8529 0x00000000, 0xffffffff },
8530 { RCVDBDI_STD_BD+0, 0x0000,
8531 0x00000000, 0xffffffff },
8532 { RCVDBDI_STD_BD+4, 0x0000,
8533 0x00000000, 0xffffffff },
8534 { RCVDBDI_STD_BD+8, 0x0000,
8535 0x00000000, 0xffff0002 },
8536 { RCVDBDI_STD_BD+0xc, 0x0000,
8537 0x00000000, 0xffffffff },
6aa20a22 8538
a71116d1
MC		 8539 /* Receive BD Initiator Control Registers. */
8540 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8541 0x00000000, 0xffffffff },
8542 { RCVBDI_STD_THRESH, TG3_FL_5705,
8543 0x00000000, 0x000003ff },
8544 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8545 0x00000000, 0xffffffff },
6aa20a22 8546
a71116d1
MC		 8547 /* Host Coalescing Control Registers. */
8548 { HOSTCC_MODE, TG3_FL_NOT_5705,
8549 0x00000000, 0x00000004 },
8550 { HOSTCC_MODE, TG3_FL_5705,
8551 0x00000000, 0x000000f6 },
8552 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8553 0x00000000, 0xffffffff },
8554 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8555 0x00000000, 0x000003ff },
8556 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8557 0x00000000, 0xffffffff },
8558 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8559 0x00000000, 0x000003ff },
8560 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8561 0x00000000, 0xffffffff },
8562 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8563 0x00000000, 0x000000ff },
8564 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8565 0x00000000, 0xffffffff },
8566 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8567 0x00000000, 0x000000ff },
8568 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8569 0x00000000, 0xffffffff },
8570 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8571 0x00000000, 0xffffffff },
8572 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8573 0x00000000, 0xffffffff },
8574 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8575 0x00000000, 0x000000ff },
8576 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8577 0x00000000, 0xffffffff },
8578 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8579 0x00000000, 0x000000ff },
8580 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8581 0x00000000, 0xffffffff },
8582 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8583 0x00000000, 0xffffffff },
8584 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8585 0x00000000, 0xffffffff },
8586 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8587 0x00000000, 0xffffffff },
8588 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8589 0x00000000, 0xffffffff },
8590 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8591 0xffffffff, 0x00000000 },
8592 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8593 0xffffffff, 0x00000000 },
8594
8595 /* Buffer Manager Control Registers. */
b16250e3 8596 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
a71116d1 8597 0x00000000, 0x007fff80 },
b16250e3 8598 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
a71116d1
MC		 8599 0x00000000, 0x007fffff },
8600 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8601 0x00000000, 0x0000003f },
8602 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8603 0x00000000, 0x000001ff },
8604 { BUFMGR_MB_HIGH_WATER, 0x0000,
8605 0x00000000, 0x000001ff },
8606 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8607 0xffffffff, 0x00000000 },
8608 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8609 0xffffffff, 0x00000000 },
6aa20a22 8610
a71116d1
MC		 8611 /* Mailbox Registers */
8612 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8613 0x00000000, 0x000001ff },
8614 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8615 0x00000000, 0x000001ff },
8616 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8617 0x00000000, 0x000007ff },
8618 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8619 0x00000000, 0x000001ff },
8620
8621 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8622 };
8623
b16250e3
MC		 8624 is_5705 = is_5750 = 0;
8625 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
a71116d1 8626 is_5705 = 1;
b16250e3
MC		 8627 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8628 is_5750 = 1;
8629 }
a71116d1
MC		 8630
8631 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8632 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8633 continue;
8634
8635 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8636 continue;
8637
8638 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8639 (reg_tbl[i].flags & TG3_FL_NOT_5788))
8640 continue;
8641
b16250e3
MC		 8642 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8643 continue;
8644
a71116d1
MC		 8645 offset = (u32) reg_tbl[i].offset;
8646 read_mask = reg_tbl[i].read_mask;
8647 write_mask = reg_tbl[i].write_mask;
8648
8649 /* Save the original register content */
8650 save_val = tr32(offset);
8651
8652 /* Determine the read-only value. */
8653 read_val = save_val & read_mask;
8654
8655 /* Write zero to the register, then make sure the read-only bits
8656 * are not changed and the read/write bits are all zeros.
8657 */
8658 tw32(offset, 0);
8659
8660 val = tr32(offset);
8661
8662 /* Test the read-only and read/write bits. */
8663 if (((val & read_mask) != read_val) || (val & write_mask))
8664 goto out;
8665
8666 /* Write ones to all the bits defined by RdMask and WrMask, then
8667 * make sure the read-only bits are not changed and the
8668 * read/write bits are all ones.
8669 */
8670 tw32(offset, read_mask | write_mask);
8671
8672 val = tr32(offset);
8673
8674 /* Test the read-only bits. */
8675 if ((val & read_mask) != read_val)
8676 goto out;
8677
8678 /* Test the read/write bits. */
8679 if ((val & write_mask) != write_mask)
8680 goto out;
8681
8682 tw32(offset, save_val);
8683 }
8684
8685 return 0;
8686
8687out:
9f88f29f
MC		 8688 if (netif_msg_hw(tp))
8689 printk(KERN_ERR PFX "Register test failed at offset %x\n",
8690 offset);
a71116d1
MC		 8691 tw32(offset, save_val);
8692 return -EIO;
8693}
8694
7942e1db
MC		 8695static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8696{
f71e1309 8697 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
7942e1db
MC		 8698 int i;
8699 u32 j;
8700
8701 for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8702 for (j = 0; j < len; j += 4) {
8703 u32 val;
8704
8705 tg3_write_mem(tp, offset + j, test_pattern[i]);
8706 tg3_read_mem(tp, offset + j, &val);
8707 if (val != test_pattern[i])
8708 return -EIO;
8709 }
8710 }
8711 return 0;
8712}
8713
8714static int tg3_test_memory(struct tg3 *tp)
8715{
8716 static struct mem_entry {
8717 u32 offset;
8718 u32 len;
8719 } mem_tbl_570x[] = {
38690194 8720 { 0x00000000, 0x00b50},
7942e1db
MC		 8721 { 0x00002000, 0x1c000},
8722 { 0xffffffff, 0x00000}
8723 }, mem_tbl_5705[] = {
8724 { 0x00000100, 0x0000c},
8725 { 0x00000200, 0x00008},
7942e1db
MC		 8726 { 0x00004000, 0x00800},
8727 { 0x00006000, 0x01000},
8728 { 0x00008000, 0x02000},
8729 { 0x00010000, 0x0e000},
8730 { 0xffffffff, 0x00000}
79f4d13a
MC		 8731 }, mem_tbl_5755[] = {
8732 { 0x00000200, 0x00008},
8733 { 0x00004000, 0x00800},
8734 { 0x00006000, 0x00800},
8735 { 0x00008000, 0x02000},
8736 { 0x00010000, 0x0c000},
8737 { 0xffffffff, 0x00000}
b16250e3
MC		 8738 }, mem_tbl_5906[] = {
8739 { 0x00000200, 0x00008},
8740 { 0x00004000, 0x00400},
8741 { 0x00006000, 0x00400},
8742 { 0x00008000, 0x01000},
8743 { 0x00010000, 0x01000},
8744 { 0xffffffff, 0x00000}
7942e1db
MC		 8745 };
8746 struct mem_entry *mem_tbl;
8747 int err = 0;
8748 int i;
8749
79f4d13a 8750 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
af36e6b6
MC		 8751 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8752 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
79f4d13a 8753 mem_tbl = mem_tbl_5755;
b16250e3
MC		 8754 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8755 mem_tbl = mem_tbl_5906;
79f4d13a
MC		 8756 else
8757 mem_tbl = mem_tbl_5705;
8758 } else
7942e1db
MC		 8759 mem_tbl = mem_tbl_570x;
8760
8761 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8762 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8763 mem_tbl[i].len)) != 0)
8764 break;
8765 }
6aa20a22 8766
7942e1db
MC		 8767 return err;
8768}
8769
9f40dead
MC		 8770#define TG3_MAC_LOOPBACK 0
8771#define TG3_PHY_LOOPBACK 1
8772
8773static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
c76949a6 8774{
9f40dead 8775 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
c76949a6
MC		 8776 u32 desc_idx;
8777 struct sk_buff *skb, *rx_skb;
8778 u8 *tx_data;
8779 dma_addr_t map;
8780 int num_pkts, tx_len, rx_len, i, err;
8781 struct tg3_rx_buffer_desc *desc;
8782
9f40dead 8783 if (loopback_mode == TG3_MAC_LOOPBACK) {
c94e3941
MC		 8784 /* HW errata - mac loopback fails in some cases on 5780.
8785 * Normal traffic and PHY loopback are not affected by
8786 * errata.
8787 */
8788 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8789 return 0;
8790
9f40dead 8791 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
3f7045c1
MC		 8792 MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
8793 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8794 mac_mode |= MAC_MODE_PORT_MODE_MII;
8795 else
8796 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9f40dead
MC		 8797 tw32(MAC_MODE, mac_mode);
8798 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
3f7045c1
MC		 8799 u32 val;
8800
b16250e3
MC		 8801 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8802 u32 phytest;
8803
8804 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8805 u32 phy;
8806
8807 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8808 phytest | MII_TG3_EPHY_SHADOW_EN);
8809 if (!tg3_readphy(tp, 0x1b, &phy))
8810 tg3_writephy(tp, 0x1b, phy & ~0x20);
8811 if (!tg3_readphy(tp, 0x10, &phy))
8812 tg3_writephy(tp, 0x10, phy & ~0x4000);
8813 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8814 }
5d64ad34
MC		 8815 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
8816 } else
8817 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
3f7045c1
MC		 8818
8819 tg3_writephy(tp, MII_BMCR, val);
c94e3941 8820 udelay(40);
5d64ad34
MC		 8821
8822 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8823 MAC_MODE_LINK_POLARITY;
8824 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
b16250e3 8825 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
5d64ad34
MC		 8826 mac_mode |= MAC_MODE_PORT_MODE_MII;
8827 } else
8828 mac_mode |= MAC_MODE_PORT_MODE_GMII;
b16250e3 8829
c94e3941
MC		 8830 /* reset to prevent losing 1st rx packet intermittently */
8831 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8832 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8833 udelay(10);
8834 tw32_f(MAC_RX_MODE, tp->rx_mode);
8835 }
ff18ff02 8836 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
9f40dead 8837 mac_mode &= ~MAC_MODE_LINK_POLARITY;
ff18ff02
MC		 8838 tg3_writephy(tp, MII_TG3_EXT_CTRL,
8839 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8840 }
9f40dead 8841 tw32(MAC_MODE, mac_mode);
9f40dead
MC		 8842 }
8843 else
8844 return -EINVAL;
c76949a6
MC		 8845
8846 err = -EIO;
8847
c76949a6 8848 tx_len = 1514;
a20e9c62 8849 skb = netdev_alloc_skb(tp->dev, tx_len);
a50bb7b9
JJ		 8850 if (!skb)
8851 return -ENOMEM;
8852
c76949a6
MC		 8853 tx_data = skb_put(skb, tx_len);
8854 memcpy(tx_data, tp->dev->dev_addr, 6);
8855 memset(tx_data + 6, 0x0, 8);
8856
8857 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8858
8859 for (i = 14; i < tx_len; i++)
8860 tx_data[i] = (u8) (i & 0xff);
8861
8862 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8863
8864 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8865 HOSTCC_MODE_NOW);
8866
8867 udelay(10);
8868
8869 rx_start_idx = tp->hw_status->idx[0].rx_producer;
8870
c76949a6
MC		 8871 num_pkts = 0;
8872
9f40dead 8873 tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
c76949a6 8874
9f40dead 8875 tp->tx_prod++;
c76949a6
MC		 8876 num_pkts++;
8877
9f40dead
MC		 8878 tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8879 tp->tx_prod);
09ee929c 8880 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
c76949a6
MC		 8881
8882 udelay(10);
8883
3f7045c1
MC		 8884 /* 250 usec to allow enough time on some 10/100 Mbps devices. */
8885 for (i = 0; i < 25; i++) {
c76949a6
MC		 8886 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8887 HOSTCC_MODE_NOW);
8888
8889 udelay(10);
8890
8891 tx_idx = tp->hw_status->idx[0].tx_consumer;
8892 rx_idx = tp->hw_status->idx[0].rx_producer;
9f40dead 8893 if ((tx_idx == tp->tx_prod) &&
c76949a6
MC		 8894 (rx_idx == (rx_start_idx + num_pkts)))
8895 break;
8896 }
8897
8898 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8899 dev_kfree_skb(skb);
8900
9f40dead 8901 if (tx_idx != tp->tx_prod)
c76949a6
MC		 8902 goto out;
8903
8904 if (rx_idx != rx_start_idx + num_pkts)
8905 goto out;
8906
8907 desc = &tp->rx_rcb[rx_start_idx];
8908 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8909 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8910 if (opaque_key != RXD_OPAQUE_RING_STD)
8911 goto out;
8912
8913 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
8914 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
8915 goto out;
8916
8917 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
8918 if (rx_len != tx_len)
8919 goto out;
8920
8921 rx_skb = tp->rx_std_buffers[desc_idx].skb;
8922
8923 map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
8924 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
8925
8926 for (i = 14; i < tx_len; i++) {
8927 if (*(rx_skb->data + i) != (u8) (i & 0xff))
8928 goto out;
8929 }
8930 err = 0;
6aa20a22 8931
c76949a6
MC		 8932 /* tg3_free_rings will unmap and free the rx_skb */
8933out:
8934 return err;
8935}
8936
9f40dead
MC		 8937#define TG3_MAC_LOOPBACK_FAILED 1
8938#define TG3_PHY_LOOPBACK_FAILED 2
8939#define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
8940 TG3_PHY_LOOPBACK_FAILED)
8941
8942static int tg3_test_loopback(struct tg3 *tp)
8943{
8944 int err = 0;
8945
8946 if (!netif_running(tp->dev))
8947 return TG3_LOOPBACK_FAILED;
8948
b9ec6c1b
MC		 8949 err = tg3_reset_hw(tp, 1);
8950 if (err)
8951 return TG3_LOOPBACK_FAILED;
9f40dead
MC		 8952
8953 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
8954 err |= TG3_MAC_LOOPBACK_FAILED;
8955 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8956 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
8957 err |= TG3_PHY_LOOPBACK_FAILED;
8958 }
8959
8960 return err;
8961}
8962
4cafd3f5
MC		 8963static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
8964 u64 *data)
8965{
566f86ad
MC		 8966 struct tg3 *tp = netdev_priv(dev);
8967
bc1c7567
MC		 8968 if (tp->link_config.phy_is_low_power)
8969 tg3_set_power_state(tp, PCI_D0);
8970
566f86ad
MC		 8971 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
8972
8973 if (tg3_test_nvram(tp) != 0) {
8974 etest->flags |= ETH_TEST_FL_FAILED;
8975 data[0] = 1;
8976 }
ca43007a
MC		 8977 if (tg3_test_link(tp) != 0) {
8978 etest->flags |= ETH_TEST_FL_FAILED;
8979 data[1] = 1;
8980 }
a71116d1 8981 if (etest->flags & ETH_TEST_FL_OFFLINE) {
ec41c7df 8982 int err, irq_sync = 0;
bbe832c0
MC		 8983
8984 if (netif_running(dev)) {
a71116d1 8985 tg3_netif_stop(tp);
bbe832c0
MC		 8986 irq_sync = 1;
8987 }
a71116d1 8988
bbe832c0 8989 tg3_full_lock(tp, irq_sync);
a71116d1
MC		 8990
8991 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
ec41c7df 8992 err = tg3_nvram_lock(tp);
a71116d1
MC		 8993 tg3_halt_cpu(tp, RX_CPU_BASE);
8994 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8995 tg3_halt_cpu(tp, TX_CPU_BASE);
ec41c7df
MC		 8996 if (!err)
8997 tg3_nvram_unlock(tp);
a71116d1 8998
d9ab5ad1
MC		 8999 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9000 tg3_phy_reset(tp);
9001
a71116d1
MC		 9002 if (tg3_test_registers(tp) != 0) {
9003 etest->flags |= ETH_TEST_FL_FAILED;
9004 data[2] = 1;
9005 }
7942e1db
MC		 9006 if (tg3_test_memory(tp) != 0) {
9007 etest->flags |= ETH_TEST_FL_FAILED;
9008 data[3] = 1;
9009 }
9f40dead 9010 if ((data[4] = tg3_test_loopback(tp)) != 0)
c76949a6 9011 etest->flags |= ETH_TEST_FL_FAILED;
a71116d1 9012
f47c11ee
DM		 9013 tg3_full_unlock(tp);
9014
d4bc3927
MC		 9015 if (tg3_test_interrupt(tp) != 0) {
9016 etest->flags |= ETH_TEST_FL_FAILED;
9017 data[5] = 1;
9018 }
f47c11ee
DM		 9019
9020 tg3_full_lock(tp, 0);
d4bc3927 9021
a71116d1
MC		 9022 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9023 if (netif_running(dev)) {
9024 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 9025 if (!tg3_restart_hw(tp, 1))
9026 tg3_netif_start(tp);
a71116d1 9027 }
f47c11ee
DM		 9028
9029 tg3_full_unlock(tp);
a71116d1 9030 }
bc1c7567
MC		 9031 if (tp->link_config.phy_is_low_power)
9032 tg3_set_power_state(tp, PCI_D3hot);
9033
4cafd3f5
MC		 9034}
9035
1da177e4
LT		 9036static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9037{
9038 struct mii_ioctl_data *data = if_mii(ifr);
9039 struct tg3 *tp = netdev_priv(dev);
9040 int err;
9041
9042 switch(cmd) {
9043 case SIOCGMIIPHY:
9044 data->phy_id = PHY_ADDR;
9045
9046 /* fallthru */
9047 case SIOCGMIIREG: {
9048 u32 mii_regval;
9049
9050 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9051 break; /* We have no PHY */
9052
bc1c7567
MC		 9053 if (tp->link_config.phy_is_low_power)
9054 return -EAGAIN;
9055
f47c11ee 9056 spin_lock_bh(&tp->lock);
1da177e4 9057 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
f47c11ee 9058 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9059
9060 data->val_out = mii_regval;
9061
9062 return err;
9063 }
9064
9065 case SIOCSMIIREG:
9066 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9067 break; /* We have no PHY */
9068
9069 if (!capable(CAP_NET_ADMIN))
9070 return -EPERM;
9071
bc1c7567
MC		 9072 if (tp->link_config.phy_is_low_power)
9073 return -EAGAIN;
9074
f47c11ee 9075 spin_lock_bh(&tp->lock);
1da177e4 9076 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
f47c11ee 9077 spin_unlock_bh(&tp->lock);
1da177e4
LT		 9078
9079 return err;
9080
9081 default:
9082 /* do nothing */
9083 break;
9084 }
9085 return -EOPNOTSUPP;
9086}
9087
9088#if TG3_VLAN_TAG_USED
9089static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9090{
9091 struct tg3 *tp = netdev_priv(dev);
9092
29315e87
MC		 9093 if (netif_running(dev))
9094 tg3_netif_stop(tp);
9095
f47c11ee 9096 tg3_full_lock(tp, 0);
1da177e4
LT		 9097
9098 tp->vlgrp = grp;
9099
9100 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9101 __tg3_set_rx_mode(dev);
9102
f47c11ee 9103 tg3_full_unlock(tp);
29315e87
MC		 9104
9105 if (netif_running(dev))
9106 tg3_netif_start(tp);
1da177e4
LT		 9107}
9108
9109static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
9110{
9111 struct tg3 *tp = netdev_priv(dev);
9112
29315e87
MC		 9113 if (netif_running(dev))
9114 tg3_netif_stop(tp);
9115
f47c11ee 9116 tg3_full_lock(tp, 0);
5c15bdec 9117 vlan_group_set_device(tp->vlgrp, vid, NULL);
f47c11ee 9118 tg3_full_unlock(tp);
29315e87
MC		 9119
9120 if (netif_running(dev))
9121 tg3_netif_start(tp);
1da177e4
LT		 9122}
9123#endif
9124
15f9850d
DM		 9125static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9126{
9127 struct tg3 *tp = netdev_priv(dev);
9128
9129 memcpy(ec, &tp->coal, sizeof(*ec));
9130 return 0;
9131}
9132
d244c892
MC		 9133static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9134{
9135 struct tg3 *tp = netdev_priv(dev);
9136 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9137 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9138
9139 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9140 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9141 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9142 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9143 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9144 }
9145
9146 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9147 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9148 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9149 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9150 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9151 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9152 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9153 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9154 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9155 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9156 return -EINVAL;
9157
9158 /* No rx interrupts will be generated if both are zero */
9159 if ((ec->rx_coalesce_usecs == 0) &&
9160 (ec->rx_max_coalesced_frames == 0))
9161 return -EINVAL;
9162
9163 /* No tx interrupts will be generated if both are zero */
9164 if ((ec->tx_coalesce_usecs == 0) &&
9165 (ec->tx_max_coalesced_frames == 0))
9166 return -EINVAL;
9167
9168 /* Only copy relevant parameters, ignore all others. */
9169 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9170 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9171 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9172 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9173 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9174 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9175 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9176 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9177 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9178
9179 if (netif_running(dev)) {
9180 tg3_full_lock(tp, 0);
9181 __tg3_set_coalesce(tp, &tp->coal);
9182 tg3_full_unlock(tp);
9183 }
9184 return 0;
9185}
9186
7282d491 9187static const struct ethtool_ops tg3_ethtool_ops = {
1da177e4
LT		 9188 .get_settings = tg3_get_settings,
9189 .set_settings = tg3_set_settings,
9190 .get_drvinfo = tg3_get_drvinfo,
9191 .get_regs_len = tg3_get_regs_len,
9192 .get_regs = tg3_get_regs,
9193 .get_wol = tg3_get_wol,
9194 .set_wol = tg3_set_wol,
9195 .get_msglevel = tg3_get_msglevel,
9196 .set_msglevel = tg3_set_msglevel,
9197 .nway_reset = tg3_nway_reset,
9198 .get_link = ethtool_op_get_link,
9199 .get_eeprom_len = tg3_get_eeprom_len,
9200 .get_eeprom = tg3_get_eeprom,
9201 .set_eeprom = tg3_set_eeprom,
9202 .get_ringparam = tg3_get_ringparam,
9203 .set_ringparam = tg3_set_ringparam,
9204 .get_pauseparam = tg3_get_pauseparam,
9205 .set_pauseparam = tg3_set_pauseparam,
9206 .get_rx_csum = tg3_get_rx_csum,
9207 .set_rx_csum = tg3_set_rx_csum,
9208 .get_tx_csum = ethtool_op_get_tx_csum,
9209 .set_tx_csum = tg3_set_tx_csum,
9210 .get_sg = ethtool_op_get_sg,
9211 .set_sg = ethtool_op_set_sg,
1da177e4
LT		 9212 .get_tso = ethtool_op_get_tso,
9213 .set_tso = tg3_set_tso,
4cafd3f5
MC		 9214 .self_test_count = tg3_get_test_count,
9215 .self_test = tg3_self_test,
1da177e4 9216 .get_strings = tg3_get_strings,
4009a93d 9217 .phys_id = tg3_phys_id,
1da177e4
LT		 9218 .get_stats_count = tg3_get_stats_count,
9219 .get_ethtool_stats = tg3_get_ethtool_stats,
15f9850d 9220 .get_coalesce = tg3_get_coalesce,
d244c892 9221 .set_coalesce = tg3_set_coalesce,
2ff43697 9222 .get_perm_addr = ethtool_op_get_perm_addr,
1da177e4
LT		 9223};
9224
9225static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9226{
1b27777a 9227 u32 cursize, val, magic;
1da177e4
LT		 9228
9229 tp->nvram_size = EEPROM_CHIP_SIZE;
9230
1820180b 9231 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
1da177e4
LT		 9232 return;
9233
b16250e3
MC		 9234 if ((magic != TG3_EEPROM_MAGIC) &&
9235 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9236 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
1da177e4
LT		 9237 return;
9238
9239 /*
9240 * Size the chip by reading offsets at increasing powers of two.
9241 * When we encounter our validation signature, we know the addressing
9242 * has wrapped around, and thus have our chip size.
9243 */
1b27777a 9244 cursize = 0x10;
1da177e4
LT		 9245
9246 while (cursize < tp->nvram_size) {
1820180b 9247 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
1da177e4
LT		 9248 return;
9249
1820180b 9250 if (val == magic)
1da177e4
LT		 9251 break;
9252
9253 cursize <<= 1;
9254 }
9255
9256 tp->nvram_size = cursize;
9257}
6aa20a22 9258
1da177e4
LT		 9259static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9260{
9261 u32 val;
9262
1820180b 9263 if (tg3_nvram_read_swab(tp, 0, &val) != 0)
1b27777a
MC		 9264 return;
9265
9266 /* Selfboot format */
1820180b 9267 if (val != TG3_EEPROM_MAGIC) {
1b27777a
MC		 9268 tg3_get_eeprom_size(tp);
9269 return;
9270 }
9271
1da177e4
LT		 9272 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9273 if (val != 0) {
9274 tp->nvram_size = (val >> 16) * 1024;
9275 return;
9276 }
9277 }
9278 tp->nvram_size = 0x20000;
9279}
9280
9281static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9282{
9283 u32 nvcfg1;
9284
9285 nvcfg1 = tr32(NVRAM_CFG1);
9286 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9287 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9288 }
9289 else {
9290 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9291 tw32(NVRAM_CFG1, nvcfg1);
9292 }
9293
4c987487 9294 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
a4e2b347 9295 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 9296 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9297 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9298 tp->nvram_jedecnum = JEDEC_ATMEL;
9299 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9300 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9301 break;
9302 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9303 tp->nvram_jedecnum = JEDEC_ATMEL;
9304 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9305 break;
9306 case FLASH_VENDOR_ATMEL_EEPROM:
9307 tp->nvram_jedecnum = JEDEC_ATMEL;
9308 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9309 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9310 break;
9311 case FLASH_VENDOR_ST:
9312 tp->nvram_jedecnum = JEDEC_ST;
9313 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9314 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9315 break;
9316 case FLASH_VENDOR_SAIFUN:
9317 tp->nvram_jedecnum = JEDEC_SAIFUN;
9318 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9319 break;
9320 case FLASH_VENDOR_SST_SMALL:
9321 case FLASH_VENDOR_SST_LARGE:
9322 tp->nvram_jedecnum = JEDEC_SST;
9323 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9324 break;
9325 }
9326 }
9327 else {
9328 tp->nvram_jedecnum = JEDEC_ATMEL;
9329 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9330 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9331 }
9332}
9333
361b4ac2
MC		 9334static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9335{
9336 u32 nvcfg1;
9337
9338 nvcfg1 = tr32(NVRAM_CFG1);
9339
e6af301b
MC		 9340 /* NVRAM protection for TPM */
9341 if (nvcfg1 & (1 << 27))
9342 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9343
361b4ac2
MC		 9344 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9345 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9346 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9347 tp->nvram_jedecnum = JEDEC_ATMEL;
9348 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9349 break;
9350 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9351 tp->nvram_jedecnum = JEDEC_ATMEL;
9352 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9353 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9354 break;
9355 case FLASH_5752VENDOR_ST_M45PE10:
9356 case FLASH_5752VENDOR_ST_M45PE20:
9357 case FLASH_5752VENDOR_ST_M45PE40:
9358 tp->nvram_jedecnum = JEDEC_ST;
9359 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9360 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9361 break;
9362 }
9363
9364 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9365 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9366 case FLASH_5752PAGE_SIZE_256:
9367 tp->nvram_pagesize = 256;
9368 break;
9369 case FLASH_5752PAGE_SIZE_512:
9370 tp->nvram_pagesize = 512;
9371 break;
9372 case FLASH_5752PAGE_SIZE_1K:
9373 tp->nvram_pagesize = 1024;
9374 break;
9375 case FLASH_5752PAGE_SIZE_2K:
9376 tp->nvram_pagesize = 2048;
9377 break;
9378 case FLASH_5752PAGE_SIZE_4K:
9379 tp->nvram_pagesize = 4096;
9380 break;
9381 case FLASH_5752PAGE_SIZE_264:
9382 tp->nvram_pagesize = 264;
9383 break;
9384 }
9385 }
9386 else {
9387 /* For eeprom, set pagesize to maximum eeprom size */
9388 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9389
9390 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9391 tw32(NVRAM_CFG1, nvcfg1);
9392 }
9393}
9394
d3c7b886
MC		 9395static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9396{
9397 u32 nvcfg1;
9398
9399 nvcfg1 = tr32(NVRAM_CFG1);
9400
9401 /* NVRAM protection for TPM */
9402 if (nvcfg1 & (1 << 27))
9403 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9404
9405 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9406 case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
9407 case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
9408 tp->nvram_jedecnum = JEDEC_ATMEL;
9409 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9410 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9411
9412 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9413 tw32(NVRAM_CFG1, nvcfg1);
9414 break;
9415 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9416 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9417 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9418 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9419 case FLASH_5755VENDOR_ATMEL_FLASH_4:
9420 tp->nvram_jedecnum = JEDEC_ATMEL;
9421 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9422 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9423 tp->nvram_pagesize = 264;
9424 break;
9425 case FLASH_5752VENDOR_ST_M45PE10:
9426 case FLASH_5752VENDOR_ST_M45PE20:
9427 case FLASH_5752VENDOR_ST_M45PE40:
9428 tp->nvram_jedecnum = JEDEC_ST;
9429 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9430 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9431 tp->nvram_pagesize = 256;
9432 break;
9433 }
9434}
9435
1b27777a
MC		 9436static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9437{
9438 u32 nvcfg1;
9439
9440 nvcfg1 = tr32(NVRAM_CFG1);
9441
9442 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9443 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9444 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9445 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9446 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9447 tp->nvram_jedecnum = JEDEC_ATMEL;
9448 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9449 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9450
9451 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9452 tw32(NVRAM_CFG1, nvcfg1);
9453 break;
9454 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9455 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9456 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9457 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9458 tp->nvram_jedecnum = JEDEC_ATMEL;
9459 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9460 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9461 tp->nvram_pagesize = 264;
9462 break;
9463 case FLASH_5752VENDOR_ST_M45PE10:
9464 case FLASH_5752VENDOR_ST_M45PE20:
9465 case FLASH_5752VENDOR_ST_M45PE40:
9466 tp->nvram_jedecnum = JEDEC_ST;
9467 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9468 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9469 tp->nvram_pagesize = 256;
9470 break;
9471 }
9472}
9473
b5d3772c
MC		 9474static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9475{
9476 tp->nvram_jedecnum = JEDEC_ATMEL;
9477 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9478 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9479}
9480
1da177e4
LT		 9481/* Chips other than 5700/5701 use the NVRAM for fetching info. */
9482static void __devinit tg3_nvram_init(struct tg3 *tp)
9483{
1da177e4
LT		 9484 tw32_f(GRC_EEPROM_ADDR,
9485 (EEPROM_ADDR_FSM_RESET |
9486 (EEPROM_DEFAULT_CLOCK_PERIOD <<
9487 EEPROM_ADDR_CLKPERD_SHIFT)));
9488
9d57f01c 9489 msleep(1);
1da177e4
LT		 9490
9491 /* Enable seeprom accesses. */
9492 tw32_f(GRC_LOCAL_CTRL,
9493 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9494 udelay(100);
9495
9496 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9497 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9498 tp->tg3_flags |= TG3_FLAG_NVRAM;
9499
ec41c7df
MC		 9500 if (tg3_nvram_lock(tp)) {
9501 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9502 "tg3_nvram_init failed.\n", tp->dev->name);
9503 return;
9504 }
e6af301b 9505 tg3_enable_nvram_access(tp);
1da177e4 9506
361b4ac2
MC		 9507 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9508 tg3_get_5752_nvram_info(tp);
d3c7b886
MC		 9509 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9510 tg3_get_5755_nvram_info(tp);
1b27777a
MC		 9511 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9512 tg3_get_5787_nvram_info(tp);
b5d3772c
MC		 9513 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9514 tg3_get_5906_nvram_info(tp);
361b4ac2
MC		 9515 else
9516 tg3_get_nvram_info(tp);
9517
1da177e4
LT		 9518 tg3_get_nvram_size(tp);
9519
e6af301b 9520 tg3_disable_nvram_access(tp);
381291b7 9521 tg3_nvram_unlock(tp);
1da177e4
LT		 9522
9523 } else {
9524 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9525
9526 tg3_get_eeprom_size(tp);
9527 }
9528}
9529
9530static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9531 u32 offset, u32 *val)
9532{
9533 u32 tmp;
9534 int i;
9535
9536 if (offset > EEPROM_ADDR_ADDR_MASK ||
9537 (offset % 4) != 0)
9538 return -EINVAL;
9539
9540 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9541 EEPROM_ADDR_DEVID_MASK |
9542 EEPROM_ADDR_READ);
9543 tw32(GRC_EEPROM_ADDR,
9544 tmp |
9545 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9546 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9547 EEPROM_ADDR_ADDR_MASK) |
9548 EEPROM_ADDR_READ | EEPROM_ADDR_START);
9549
9d57f01c 9550 for (i = 0; i < 1000; i++) {
1da177e4
LT		 9551 tmp = tr32(GRC_EEPROM_ADDR);
9552
9553 if (tmp & EEPROM_ADDR_COMPLETE)
9554 break;
9d57f01c 9555 msleep(1);
1da177e4
LT		 9556 }
9557 if (!(tmp & EEPROM_ADDR_COMPLETE))
9558 return -EBUSY;
9559
9560 *val = tr32(GRC_EEPROM_DATA);
9561 return 0;
9562}
9563
9564#define NVRAM_CMD_TIMEOUT 10000
9565
9566static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9567{
9568 int i;
9569
9570 tw32(NVRAM_CMD, nvram_cmd);
9571 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9572 udelay(10);
9573 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9574 udelay(10);
9575 break;
9576 }
9577 }
9578 if (i == NVRAM_CMD_TIMEOUT) {
9579 return -EBUSY;
9580 }
9581 return 0;
9582}
9583
1820180b
MC		 9584static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9585{
9586 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9587 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9588 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9589 (tp->nvram_jedecnum == JEDEC_ATMEL))
9590
9591 addr = ((addr / tp->nvram_pagesize) <<
9592 ATMEL_AT45DB0X1B_PAGE_POS) +
9593 (addr % tp->nvram_pagesize);
9594
9595 return addr;
9596}
9597
c4e6575c
MC		 9598static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9599{
9600 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9601 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9602 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9603 (tp->nvram_jedecnum == JEDEC_ATMEL))
9604
9605 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9606 tp->nvram_pagesize) +
9607 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9608
9609 return addr;
9610}
9611
1da177e4
LT		 9612static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9613{
9614 int ret;
9615
1da177e4
LT		 9616 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9617 return tg3_nvram_read_using_eeprom(tp, offset, val);
9618
1820180b 9619 offset = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 9620
9621 if (offset > NVRAM_ADDR_MSK)
9622 return -EINVAL;
9623
ec41c7df
MC		 9624 ret = tg3_nvram_lock(tp);
9625 if (ret)
9626 return ret;
1da177e4 9627
e6af301b 9628 tg3_enable_nvram_access(tp);
1da177e4
LT		 9629
9630 tw32(NVRAM_ADDR, offset);
9631 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9632 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9633
9634 if (ret == 0)
9635 *val = swab32(tr32(NVRAM_RDDATA));
9636
e6af301b 9637 tg3_disable_nvram_access(tp);
1da177e4 9638
381291b7
MC		 9639 tg3_nvram_unlock(tp);
9640
1da177e4
LT		 9641 return ret;
9642}
9643
1820180b
MC		 9644static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9645{
9646 int err;
9647 u32 tmp;
9648
9649 err = tg3_nvram_read(tp, offset, &tmp);
9650 *val = swab32(tmp);
9651 return err;
9652}
9653
1da177e4
LT		 9654static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9655 u32 offset, u32 len, u8 *buf)
9656{
9657 int i, j, rc = 0;
9658 u32 val;
9659
9660 for (i = 0; i < len; i += 4) {
9661 u32 addr, data;
9662
9663 addr = offset + i;
9664
9665 memcpy(&data, buf + i, 4);
9666
9667 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9668
9669 val = tr32(GRC_EEPROM_ADDR);
9670 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9671
9672 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9673 EEPROM_ADDR_READ);
9674 tw32(GRC_EEPROM_ADDR, val |
9675 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9676 (addr & EEPROM_ADDR_ADDR_MASK) |
9677 EEPROM_ADDR_START |
9678 EEPROM_ADDR_WRITE);
6aa20a22 9679
9d57f01c 9680 for (j = 0; j < 1000; j++) {
1da177e4
LT		 9681 val = tr32(GRC_EEPROM_ADDR);
9682
9683 if (val & EEPROM_ADDR_COMPLETE)
9684 break;
9d57f01c 9685 msleep(1);
1da177e4
LT		 9686 }
9687 if (!(val & EEPROM_ADDR_COMPLETE)) {
9688 rc = -EBUSY;
9689 break;
9690 }
9691 }
9692
9693 return rc;
9694}
9695
9696/* offset and length are dword aligned */
9697static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9698 u8 *buf)
9699{
9700 int ret = 0;
9701 u32 pagesize = tp->nvram_pagesize;
9702 u32 pagemask = pagesize - 1;
9703 u32 nvram_cmd;
9704 u8 *tmp;
9705
9706 tmp = kmalloc(pagesize, GFP_KERNEL);
9707 if (tmp == NULL)
9708 return -ENOMEM;
9709
9710 while (len) {
9711 int j;
e6af301b 9712 u32 phy_addr, page_off, size;
1da177e4
LT		 9713
9714 phy_addr = offset & ~pagemask;
6aa20a22 9715
1da177e4
LT		 9716 for (j = 0; j < pagesize; j += 4) {
9717 if ((ret = tg3_nvram_read(tp, phy_addr + j,
9718 (u32 *) (tmp + j))))
9719 break;
9720 }
9721 if (ret)
9722 break;
9723
9724 page_off = offset & pagemask;
9725 size = pagesize;
9726 if (len < size)
9727 size = len;
9728
9729 len -= size;
9730
9731 memcpy(tmp + page_off, buf, size);
9732
9733 offset = offset + (pagesize - page_off);
9734
e6af301b 9735 tg3_enable_nvram_access(tp);
1da177e4
LT		 9736
9737 /*
9738 * Before we can erase the flash page, we need
9739 * to issue a special "write enable" command.
9740 */
9741 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9742
9743 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9744 break;
9745
9746 /* Erase the target page */
9747 tw32(NVRAM_ADDR, phy_addr);
9748
9749 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9750 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9751
9752 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9753 break;
9754
9755 /* Issue another write enable to start the write. */
9756 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9757
9758 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9759 break;
9760
9761 for (j = 0; j < pagesize; j += 4) {
9762 u32 data;
9763
9764 data = *((u32 *) (tmp + j));
9765 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9766
9767 tw32(NVRAM_ADDR, phy_addr + j);
9768
9769 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9770 NVRAM_CMD_WR;
9771
9772 if (j == 0)
9773 nvram_cmd |= NVRAM_CMD_FIRST;
9774 else if (j == (pagesize - 4))
9775 nvram_cmd |= NVRAM_CMD_LAST;
9776
9777 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9778 break;
9779 }
9780 if (ret)
9781 break;
9782 }
9783
9784 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9785 tg3_nvram_exec_cmd(tp, nvram_cmd);
9786
9787 kfree(tmp);
9788
9789 return ret;
9790}
9791
9792/* offset and length are dword aligned */
9793static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9794 u8 *buf)
9795{
9796 int i, ret = 0;
9797
9798 for (i = 0; i < len; i += 4, offset += 4) {
9799 u32 data, page_off, phy_addr, nvram_cmd;
9800
9801 memcpy(&data, buf + i, 4);
9802 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9803
9804 page_off = offset % tp->nvram_pagesize;
9805
1820180b 9806 phy_addr = tg3_nvram_phys_addr(tp, offset);
1da177e4
LT		 9807
9808 tw32(NVRAM_ADDR, phy_addr);
9809
9810 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9811
9812 if ((page_off == 0) || (i == 0))
9813 nvram_cmd |= NVRAM_CMD_FIRST;
f6d9a256 9814 if (page_off == (tp->nvram_pagesize - 4))
1da177e4
LT		 9815 nvram_cmd |= NVRAM_CMD_LAST;
9816
9817 if (i == (len - 4))
9818 nvram_cmd |= NVRAM_CMD_LAST;
9819
4c987487 9820 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
af36e6b6 9821 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
1b27777a 9822 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
4c987487
MC		 9823 (tp->nvram_jedecnum == JEDEC_ST) &&
9824 (nvram_cmd & NVRAM_CMD_FIRST)) {
1da177e4
LT		 9825
9826 if ((ret = tg3_nvram_exec_cmd(tp,
9827 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9828 NVRAM_CMD_DONE)))
9829
9830 break;
9831 }
9832 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9833 /* We always do complete word writes to eeprom. */
9834 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9835 }
9836
9837 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9838 break;
9839 }
9840 return ret;
9841}
9842
9843/* offset and length are dword aligned */
9844static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9845{
9846 int ret;
9847
1da177e4 9848 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34
MC		 9849 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9850 ~GRC_LCLCTRL_GPIO_OUTPUT1);
1da177e4
LT		 9851 udelay(40);
9852 }
9853
9854 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9855 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9856 }
9857 else {
9858 u32 grc_mode;
9859
ec41c7df
MC		 9860 ret = tg3_nvram_lock(tp);
9861 if (ret)
9862 return ret;
1da177e4 9863
e6af301b
MC		 9864 tg3_enable_nvram_access(tp);
9865 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9866 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
1da177e4 9867 tw32(NVRAM_WRITE1, 0x406);
1da177e4
LT		 9868
9869 grc_mode = tr32(GRC_MODE);
9870 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9871
9872 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9873 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9874
9875 ret = tg3_nvram_write_block_buffered(tp, offset, len,
9876 buf);
9877 }
9878 else {
9879 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9880 buf);
9881 }
9882
9883 grc_mode = tr32(GRC_MODE);
9884 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9885
e6af301b 9886 tg3_disable_nvram_access(tp);
1da177e4
LT		 9887 tg3_nvram_unlock(tp);
9888 }
9889
9890 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
314fba34 9891 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
1da177e4
LT		 9892 udelay(40);
9893 }
9894
9895 return ret;
9896}
9897
9898struct subsys_tbl_ent {
9899 u16 subsys_vendor, subsys_devid;
9900 u32 phy_id;
9901};
9902
9903static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9904 /* Broadcom boards. */
9905 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9906 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9907 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9908 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
9909 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9910 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9911 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
9912 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9913 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9914 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9915 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9916
9917 /* 3com boards. */
9918 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
9919 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
9920 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
9921 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
9922 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
9923
9924 /* DELL boards. */
9925 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
9926 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
9927 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
9928 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
9929
9930 /* Compaq boards. */
9931 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
9932 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
9933 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
9934 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
9935 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
9936
9937 /* IBM boards. */
9938 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
9939};
9940
9941static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
9942{
9943 int i;
9944
9945 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
9946 if ((subsys_id_to_phy_id[i].subsys_vendor ==
9947 tp->pdev->subsystem_vendor) &&
9948 (subsys_id_to_phy_id[i].subsys_devid ==
9949 tp->pdev->subsystem_device))
9950 return &subsys_id_to_phy_id[i];
9951 }
9952 return NULL;
9953}
9954
7d0c41ef 9955static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
1da177e4 9956{
1da177e4 9957 u32 val;
caf636c7
MC		 9958 u16 pmcsr;
9959
9960 /* On some early chips the SRAM cannot be accessed in D3hot state,
9961 * so need make sure we're in D0.
9962 */
9963 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
9964 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9965 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
9966 msleep(1);
7d0c41ef
MC		 9967
9968 /* Make sure register accesses (indirect or otherwise)
9969 * will function correctly.
9970 */
9971 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9972 tp->misc_host_ctrl);
1da177e4 9973
f49639e6
DM		 9974 /* The memory arbiter has to be enabled in order for SRAM accesses
9975 * to succeed. Normally on powerup the tg3 chip firmware will make
9976 * sure it is enabled, but other entities such as system netboot
9977 * code might disable it.
9978 */
9979 val = tr32(MEMARB_MODE);
9980 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
9981
1da177e4 9982 tp->phy_id = PHY_ID_INVALID;
7d0c41ef
MC		 9983 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9984
f49639e6
DM		 9985 /* Assume an onboard device by default. */
9986 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
72b845e0 9987
b5d3772c 9988 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9d26e213 9989 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
b5d3772c 9990 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 9991 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
9992 }
b5d3772c
MC		 9993 return;
9994 }
9995
1da177e4
LT		 9996 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
9997 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
9998 u32 nic_cfg, led_cfg;
7d0c41ef
MC		 9999 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
10000 int eeprom_phy_serdes = 0;
1da177e4
LT		 10001
10002 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
10003 tp->nic_sram_data_cfg = nic_cfg;
10004
10005 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
10006 ver >>= NIC_SRAM_DATA_VER_SHIFT;
10007 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
10008 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
10009 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
10010 (ver > 0) && (ver < 0x100))
10011 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
10012
1da177e4
LT		 10013 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
10014 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
10015 eeprom_phy_serdes = 1;
10016
10017 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
10018 if (nic_phy_id != 0) {
10019 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
10020 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
10021
10022 eeprom_phy_id = (id1 >> 16) << 10;
10023 eeprom_phy_id |= (id2 & 0xfc00) << 16;
10024 eeprom_phy_id |= (id2 & 0x03ff) << 0;
10025 } else
10026 eeprom_phy_id = 0;
10027
7d0c41ef 10028 tp->phy_id = eeprom_phy_id;
747e8f8b 10029 if (eeprom_phy_serdes) {
a4e2b347 10030 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
747e8f8b
MC		 10031 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10032 else
10033 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10034 }
7d0c41ef 10035
cbf46853 10036 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 10037 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10038 SHASTA_EXT_LED_MODE_MASK);
cbf46853 10039 else
1da177e4
LT		 10040 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10041
10042 switch (led_cfg) {
10043 default:
10044 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10045 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10046 break;
10047
10048 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10049 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10050 break;
10051
10052 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10053 tp->led_ctrl = LED_CTRL_MODE_MAC;
9ba27794
MC		 10054
10055 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10056 * read on some older 5700/5701 bootcode.
10057 */
10058 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10059 ASIC_REV_5700 ||
10060 GET_ASIC_REV(tp->pci_chip_rev_id) ==
10061 ASIC_REV_5701)
10062 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10063
1da177e4
LT		 10064 break;
10065
10066 case SHASTA_EXT_LED_SHARED:
10067 tp->led_ctrl = LED_CTRL_MODE_SHARED;
10068 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10069 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10070 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10071 LED_CTRL_MODE_PHY_2);
10072 break;
10073
10074 case SHASTA_EXT_LED_MAC:
10075 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10076 break;
10077
10078 case SHASTA_EXT_LED_COMBO:
10079 tp->led_ctrl = LED_CTRL_MODE_COMBO;
10080 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10081 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10082 LED_CTRL_MODE_PHY_2);
10083 break;
10084
10085 };
10086
10087 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10088 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10089 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10090 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10091
9d26e213 10092 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
1da177e4 10093 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10094 if ((tp->pdev->subsystem_vendor ==
10095 PCI_VENDOR_ID_ARIMA) &&
10096 (tp->pdev->subsystem_device == 0x205a ||
10097 tp->pdev->subsystem_device == 0x2063))
10098 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10099 } else {
f49639e6 10100 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9d26e213
MC		 10101 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10102 }
1da177e4
LT		 10103
10104 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10105 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
cbf46853 10106 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
1da177e4
LT		 10107 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10108 }
10109 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
10110 tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
10111
10112 if (cfg2 & (1 << 17))
10113 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10114
10115 /* serdes signal pre-emphasis in register 0x590 set by */
10116 /* bootcode if bit 18 is set */
10117 if (cfg2 & (1 << 18))
10118 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10119 }
7d0c41ef
MC		 10120}
10121
10122static int __devinit tg3_phy_probe(struct tg3 *tp)
10123{
10124 u32 hw_phy_id_1, hw_phy_id_2;
10125 u32 hw_phy_id, hw_phy_id_masked;
10126 int err;
1da177e4
LT		 10127
10128 /* Reading the PHY ID register can conflict with ASF
10129 * firwmare access to the PHY hardware.
10130 */
10131 err = 0;
10132 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10133 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10134 } else {
10135 /* Now read the physical PHY_ID from the chip and verify
10136 * that it is sane. If it doesn't look good, we fall back
10137 * to either the hard-coded table based PHY_ID and failing
10138 * that the value found in the eeprom area.
10139 */
10140 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10141 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10142
10143 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
10144 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10145 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
10146
10147 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10148 }
10149
10150 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10151 tp->phy_id = hw_phy_id;
10152 if (hw_phy_id_masked == PHY_ID_BCM8002)
10153 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
da6b2d01
MC		 10154 else
10155 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
1da177e4 10156 } else {
7d0c41ef
MC		 10157 if (tp->phy_id != PHY_ID_INVALID) {
10158 /* Do nothing, phy ID already set up in
10159 * tg3_get_eeprom_hw_cfg().
10160 */
1da177e4
LT		 10161 } else {
10162 struct subsys_tbl_ent *p;
10163
10164 /* No eeprom signature? Try the hardcoded
10165 * subsys device table.
10166 */
10167 p = lookup_by_subsys(tp);
10168 if (!p)
10169 return -ENODEV;
10170
10171 tp->phy_id = p->phy_id;
10172 if (!tp->phy_id ||
10173 tp->phy_id == PHY_ID_BCM8002)
10174 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10175 }
10176 }
10177
747e8f8b 10178 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
1da177e4 10179 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
3600d918 10180 u32 bmsr, adv_reg, tg3_ctrl, mask;
1da177e4
LT		 10181
10182 tg3_readphy(tp, MII_BMSR, &bmsr);
10183 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10184 (bmsr & BMSR_LSTATUS))
10185 goto skip_phy_reset;
6aa20a22 10186
1da177e4
LT		 10187 err = tg3_phy_reset(tp);
10188 if (err)
10189 return err;
10190
10191 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10192 ADVERTISE_100HALF | ADVERTISE_100FULL |
10193 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10194 tg3_ctrl = 0;
10195 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10196 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10197 MII_TG3_CTRL_ADV_1000_FULL);
10198 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10199 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10200 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10201 MII_TG3_CTRL_ENABLE_AS_MASTER);
10202 }
10203
3600d918
MC		 10204 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
10205 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
10206 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
10207 if (!tg3_copper_is_advertising_all(tp, mask)) {
1da177e4
LT		 10208 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10209
10210 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10211 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10212
10213 tg3_writephy(tp, MII_BMCR,
10214 BMCR_ANENABLE | BMCR_ANRESTART);
10215 }
10216 tg3_phy_set_wirespeed(tp);
10217
10218 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10219 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10220 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10221 }
10222
10223skip_phy_reset:
10224 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10225 err = tg3_init_5401phy_dsp(tp);
10226 if (err)
10227 return err;
10228 }
10229
10230 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10231 err = tg3_init_5401phy_dsp(tp);
10232 }
10233
747e8f8b 10234 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1da177e4
LT		 10235 tp->link_config.advertising =
10236 (ADVERTISED_1000baseT_Half |
10237 ADVERTISED_1000baseT_Full |
10238 ADVERTISED_Autoneg |
10239 ADVERTISED_FIBRE);
10240 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10241 tp->link_config.advertising &=
10242 ~(ADVERTISED_1000baseT_Half |
10243 ADVERTISED_1000baseT_Full);
10244
10245 return err;
10246}
10247
10248static void __devinit tg3_read_partno(struct tg3 *tp)
10249{
10250 unsigned char vpd_data[256];
af2c6a4a 10251 unsigned int i;
1b27777a 10252 u32 magic;
1da177e4 10253
1820180b 10254 if (tg3_nvram_read_swab(tp, 0x0, &magic))
f49639e6 10255 goto out_not_found;
1da177e4 10256
1820180b 10257 if (magic == TG3_EEPROM_MAGIC) {
1b27777a
MC		 10258 for (i = 0; i < 256; i += 4) {
10259 u32 tmp;
1da177e4 10260
1b27777a
MC		 10261 if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10262 goto out_not_found;
10263
10264 vpd_data[i + 0] = ((tmp >> 0) & 0xff);
10265 vpd_data[i + 1] = ((tmp >> 8) & 0xff);
10266 vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10267 vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10268 }
10269 } else {
10270 int vpd_cap;
10271
10272 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10273 for (i = 0; i < 256; i += 4) {
10274 u32 tmp, j = 0;
10275 u16 tmp16;
10276
10277 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10278 i);
10279 while (j++ < 100) {
10280 pci_read_config_word(tp->pdev, vpd_cap +
10281 PCI_VPD_ADDR, &tmp16);
10282 if (tmp16 & 0x8000)
10283 break;
10284 msleep(1);
10285 }
f49639e6
DM		 10286 if (!(tmp16 & 0x8000))
10287 goto out_not_found;
10288
1b27777a
MC		 10289 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10290 &tmp);
10291 tmp = cpu_to_le32(tmp);
10292 memcpy(&vpd_data[i], &tmp, 4);
10293 }
1da177e4
LT		 10294 }
10295
10296 /* Now parse and find the part number. */
af2c6a4a 10297 for (i = 0; i < 254; ) {
1da177e4 10298 unsigned char val = vpd_data[i];
af2c6a4a 10299 unsigned int block_end;
1da177e4
LT		 10300
10301 if (val == 0x82 || val == 0x91) {
10302 i = (i + 3 +
10303 (vpd_data[i + 1] +
10304 (vpd_data[i + 2] << 8)));
10305 continue;
10306 }
10307
10308 if (val != 0x90)
10309 goto out_not_found;
10310
10311 block_end = (i + 3 +
10312 (vpd_data[i + 1] +
10313 (vpd_data[i + 2] << 8)));
10314 i += 3;
af2c6a4a
MC		 10315
10316 if (block_end > 256)
10317 goto out_not_found;
10318
10319 while (i < (block_end - 2)) {
1da177e4
LT		 10320 if (vpd_data[i + 0] == 'P' &&
10321 vpd_data[i + 1] == 'N') {
10322 int partno_len = vpd_data[i + 2];
10323
af2c6a4a
MC		 10324 i += 3;
10325 if (partno_len > 24 || (partno_len + i) > 256)
1da177e4
LT		 10326 goto out_not_found;
10327
10328 memcpy(tp->board_part_number,
af2c6a4a 10329 &vpd_data[i], partno_len);
1da177e4
LT		 10330
10331 /* Success. */
10332 return;
10333 }
af2c6a4a 10334 i += 3 + vpd_data[i + 2];
1da177e4
LT		 10335 }
10336
10337 /* Part number not found. */
10338 goto out_not_found;
10339 }
10340
10341out_not_found:
b5d3772c
MC		 10342 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10343 strcpy(tp->board_part_number, "BCM95906");
10344 else
10345 strcpy(tp->board_part_number, "none");
1da177e4
LT		 10346}
10347
c4e6575c
MC		 10348static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10349{
10350 u32 val, offset, start;
10351
10352 if (tg3_nvram_read_swab(tp, 0, &val))
10353 return;
10354
10355 if (val != TG3_EEPROM_MAGIC)
10356 return;
10357
10358 if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10359 tg3_nvram_read_swab(tp, 0x4, &start))
10360 return;
10361
10362 offset = tg3_nvram_logical_addr(tp, offset);
10363 if (tg3_nvram_read_swab(tp, offset, &val))
10364 return;
10365
10366 if ((val & 0xfc000000) == 0x0c000000) {
10367 u32 ver_offset, addr;
10368 int i;
10369
10370 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10371 tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10372 return;
10373
10374 if (val != 0)
10375 return;
10376
10377 addr = offset + ver_offset - start;
10378 for (i = 0; i < 16; i += 4) {
10379 if (tg3_nvram_read(tp, addr + i, &val))
10380 return;
10381
10382 val = cpu_to_le32(val);
10383 memcpy(tp->fw_ver + i, &val, 4);
10384 }
10385 }
10386}
10387
1da177e4
LT		 10388static int __devinit tg3_get_invariants(struct tg3 *tp)
10389{
10390 static struct pci_device_id write_reorder_chipsets[] = {
1da177e4
LT		 10391 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10392 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
c165b004
JL		 10393 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10394 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
399de50b
MC		 10395 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10396 PCI_DEVICE_ID_VIA_8385_0) },
1da177e4
LT		 10397 { },
10398 };
10399 u32 misc_ctrl_reg;
10400 u32 cacheline_sz_reg;
10401 u32 pci_state_reg, grc_misc_cfg;
10402 u32 val;
10403 u16 pci_cmd;
c7835a77 10404 int err, pcie_cap;
1da177e4 10405
1da177e4
LT		 10406 /* Force memory write invalidate off. If we leave it on,
10407 * then on 5700_BX chips we have to enable a workaround.
10408 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10409 * to match the cacheline size. The Broadcom driver have this
10410 * workaround but turns MWI off all the times so never uses
10411 * it. This seems to suggest that the workaround is insufficient.
10412 */
10413 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10414 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10415 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10416
10417 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10418 * has the register indirect write enable bit set before
10419 * we try to access any of the MMIO registers. It is also
10420 * critical that the PCI-X hw workaround situation is decided
10421 * before that as well.
10422 */
10423 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10424 &misc_ctrl_reg);
10425
10426 tp->pci_chip_rev_id = (misc_ctrl_reg >>
10427 MISC_HOST_CTRL_CHIPREV_SHIFT);
10428
ff645bec
MC		 10429 /* Wrong chip ID in 5752 A0. This code can be removed later
10430 * as A0 is not in production.
10431 */
10432 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10433 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10434
6892914f
MC		 10435 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10436 * we need to disable memory and use config. cycles
10437 * only to access all registers. The 5702/03 chips
10438 * can mistakenly decode the special cycles from the
10439 * ICH chipsets as memory write cycles, causing corruption
10440 * of register and memory space. Only certain ICH bridges
10441 * will drive special cycles with non-zero data during the
10442 * address phase which can fall within the 5703's address
10443 * range. This is not an ICH bug as the PCI spec allows
10444 * non-zero address during special cycles. However, only
10445 * these ICH bridges are known to drive non-zero addresses
10446 * during special cycles.
10447 *
10448 * Since special cycles do not cross PCI bridges, we only
10449 * enable this workaround if the 5703 is on the secondary
10450 * bus of these ICH bridges.
10451 */
10452 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10453 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10454 static struct tg3_dev_id {
10455 u32 vendor;
10456 u32 device;
10457 u32 rev;
10458 } ich_chipsets[] = {
10459 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10460 PCI_ANY_ID },
10461 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10462 PCI_ANY_ID },
10463 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10464 0xa },
10465 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10466 PCI_ANY_ID },
10467 { },
10468 };
10469 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10470 struct pci_dev *bridge = NULL;
10471
10472 while (pci_id->vendor != 0) {
10473 bridge = pci_get_device(pci_id->vendor, pci_id->device,
10474 bridge);
10475 if (!bridge) {
10476 pci_id++;
10477 continue;
10478 }
10479 if (pci_id->rev != PCI_ANY_ID) {
10480 u8 rev;
10481
10482 pci_read_config_byte(bridge, PCI_REVISION_ID,
10483 &rev);
10484 if (rev > pci_id->rev)
10485 continue;
10486 }
10487 if (bridge->subordinate &&
10488 (bridge->subordinate->number ==
10489 tp->pdev->bus->number)) {
10490
10491 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10492 pci_dev_put(bridge);
10493 break;
10494 }
10495 }
10496 }
10497
4a29cc2e
MC		 10498 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10499 * DMA addresses > 40-bit. This bridge may have other additional
10500 * 57xx devices behind it in some 4-port NIC designs for example.
10501 * Any tg3 device found behind the bridge will also need the 40-bit
10502 * DMA workaround.
10503 */
a4e2b347
MC		 10504 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10505 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10506 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
4a29cc2e 10507 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
4cf78e4f 10508 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
a4e2b347 10509 }
4a29cc2e
MC		 10510 else {
10511 struct pci_dev *bridge = NULL;
10512
10513 do {
10514 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10515 PCI_DEVICE_ID_SERVERWORKS_EPB,
10516 bridge);
10517 if (bridge && bridge->subordinate &&
10518 (bridge->subordinate->number <=
10519 tp->pdev->bus->number) &&
10520 (bridge->subordinate->subordinate >=
10521 tp->pdev->bus->number)) {
10522 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10523 pci_dev_put(bridge);
10524 break;
10525 }
10526 } while (bridge);
10527 }
4cf78e4f 10528
1da177e4
LT		 10529 /* Initialize misc host control in PCI block. */
10530 tp->misc_host_ctrl |= (misc_ctrl_reg &
10531 MISC_HOST_CTRL_CHIPREV);
10532 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10533 tp->misc_host_ctrl);
10534
10535 pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10536 &cacheline_sz_reg);
10537
10538 tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
10539 tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
10540 tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
10541 tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
10542
6708e5cc 10543 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
4cf78e4f 10544 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
af36e6b6 10545 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
d9ab5ad1 10546 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
b5d3772c 10547 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
a4e2b347 10548 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6708e5cc
JL		 10549 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10550
1b440c56
JL		 10551 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10552 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10553 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10554
5a6f3074 10555 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
af36e6b6 10556 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
b5d3772c
MC		 10557 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10558 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5a6f3074 10559 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
fcfa0a32 10560 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
52c0fd83 10561 } else {
7f62ad5d 10562 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
52c0fd83
MC		 10563 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10564 ASIC_REV_5750 &&
10565 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
7f62ad5d 10566 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
52c0fd83 10567 }
5a6f3074 10568 }
1da177e4 10569
0f893dc6
MC		 10570 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10571 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
d9ab5ad1 10572 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
af36e6b6 10573 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
b5d3772c
MC		 10574 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10575 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
0f893dc6
MC		 10576 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10577
c7835a77
MC		 10578 pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
10579 if (pcie_cap != 0) {
1da177e4 10580 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
c7835a77
MC		 10581 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10582 u16 lnkctl;
10583
10584 pci_read_config_word(tp->pdev,
10585 pcie_cap + PCI_EXP_LNKCTL,
10586 &lnkctl);
10587 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
10588 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
10589 }
10590 }
1da177e4 10591
399de50b
MC		 10592 /* If we have an AMD 762 or VIA K8T800 chipset, write
10593 * reordering to the mailbox registers done by the host
10594 * controller can cause major troubles. We read back from
10595 * every mailbox register write to force the writes to be
10596 * posted to the chip in order.
10597 */
10598 if (pci_dev_present(write_reorder_chipsets) &&
10599 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10600 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10601
1da177e4
LT		 10602 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10603 tp->pci_lat_timer < 64) {
10604 tp->pci_lat_timer = 64;
10605
10606 cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
10607 cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
10608 cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
10609 cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
10610
10611 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10612 cacheline_sz_reg);
10613 }
10614
10615 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10616 &pci_state_reg);
10617
10618 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10619 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10620
10621 /* If this is a 5700 BX chipset, and we are in PCI-X
10622 * mode, enable register write workaround.
10623 *
10624 * The workaround is to use indirect register accesses
10625 * for all chip writes not to mailbox registers.
10626 */
10627 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10628 u32 pm_reg;
10629 u16 pci_cmd;
10630
10631 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10632
10633 /* The chip can have it's power management PCI config
10634 * space registers clobbered due to this bug.
10635 * So explicitly force the chip into D0 here.
10636 */
10637 pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10638 &pm_reg);
10639 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10640 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10641 pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10642 pm_reg);
10643
10644 /* Also, force SERR#/PERR# in PCI command. */
10645 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10646 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10647 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10648 }
10649 }
10650
087fe256
MC		 10651 /* 5700 BX chips need to have their TX producer index mailboxes
10652 * written twice to workaround a bug.
10653 */
10654 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10655 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10656
1da177e4
LT		 10657 /* Back to back register writes can cause problems on this chip,
10658 * the workaround is to read back all reg writes except those to
10659 * mailbox regs. See tg3_write_indirect_reg32().
10660 *
10661 * PCI Express 5750_A0 rev chips need this workaround too.
10662 */
10663 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10664 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10665 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
10666 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
10667
10668 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10669 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10670 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10671 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10672
10673 /* Chip-specific fixup from Broadcom driver */
10674 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10675 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10676 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10677 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10678 }
10679
1ee582d8 10680 /* Default fast path register access methods */
20094930 10681 tp->read32 = tg3_read32;
1ee582d8 10682 tp->write32 = tg3_write32;
09ee929c 10683 tp->read32_mbox = tg3_read32;
20094930 10684 tp->write32_mbox = tg3_write32;
1ee582d8
MC		 10685 tp->write32_tx_mbox = tg3_write32;
10686 tp->write32_rx_mbox = tg3_write32;
10687
10688 /* Various workaround register access methods */
10689 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10690 tp->write32 = tg3_write_indirect_reg32;
10691 else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
10692 tp->write32 = tg3_write_flush_reg32;
10693
10694 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10695 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10696 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10697 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10698 tp->write32_rx_mbox = tg3_write_flush_reg32;
10699 }
20094930 10700
6892914f
MC		 10701 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10702 tp->read32 = tg3_read_indirect_reg32;
10703 tp->write32 = tg3_write_indirect_reg32;
10704 tp->read32_mbox = tg3_read_indirect_mbox;
10705 tp->write32_mbox = tg3_write_indirect_mbox;
10706 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10707 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10708
10709 iounmap(tp->regs);
22abe310 10710 tp->regs = NULL;
6892914f
MC		 10711
10712 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10713 pci_cmd &= ~PCI_COMMAND_MEMORY;
10714 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10715 }
b5d3772c
MC		 10716 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10717 tp->read32_mbox = tg3_read32_mbox_5906;
10718 tp->write32_mbox = tg3_write32_mbox_5906;
10719 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10720 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10721 }
6892914f 10722
bbadf503
MC		 10723 if (tp->write32 == tg3_write_indirect_reg32 ||
10724 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10725 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
f49639e6 10726 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
bbadf503
MC		 10727 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10728
7d0c41ef 10729 /* Get eeprom hw config before calling tg3_set_power_state().
9d26e213 10730 * In particular, the TG3_FLG2_IS_NIC flag must be
7d0c41ef
MC		 10731 * determined before calling tg3_set_power_state() so that
10732 * we know whether or not to switch out of Vaux power.
10733 * When the flag is set, it means that GPIO1 is used for eeprom
10734 * write protect and also implies that it is a LOM where GPIOs
10735 * are not used to switch power.
6aa20a22 10736 */
7d0c41ef
MC		 10737 tg3_get_eeprom_hw_cfg(tp);
10738
314fba34
MC		 10739 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10740 * GPIO1 driven high will bring 5700's external PHY out of reset.
10741 * It is also used as eeprom write protect on LOMs.
10742 */
10743 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10744 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10745 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10746 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10747 GRC_LCLCTRL_GPIO_OUTPUT1);
3e7d83bc
MC		 10748 /* Unused GPIO3 must be driven as output on 5752 because there
10749 * are no pull-up resistors on unused GPIO pins.
10750 */
10751 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10752 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
314fba34 10753
af36e6b6
MC		 10754 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10755 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10756
1da177e4 10757 /* Force the chip into D0. */
bc1c7567 10758 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 10759 if (err) {
10760 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10761 pci_name(tp->pdev));
10762 return err;
10763 }
10764
10765 /* 5700 B0 chips do not support checksumming correctly due
10766 * to hardware bugs.
10767 */
10768 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10769 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10770
1da177e4
LT		 10771 /* Derive initial jumbo mode from MTU assigned in
10772 * ether_setup() via the alloc_etherdev() call
10773 */
0f893dc6 10774 if (tp->dev->mtu > ETH_DATA_LEN &&
a4e2b347 10775 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
0f893dc6 10776 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
1da177e4
LT		 10777
10778 /* Determine WakeOnLan speed to use. */
10779 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10780 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10781 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10782 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10783 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10784 } else {
10785 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10786 }
10787
10788 /* A few boards don't want Ethernet@WireSpeed phy feature */
10789 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10790 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10791 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
747e8f8b 10792 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
b5d3772c 10793 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
747e8f8b 10794 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1da177e4
LT		 10795 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10796
10797 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10798 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10799 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10800 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10801 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10802
c424cb24
MC		 10803 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10804 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
c1d2a196 10805 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
d4011ada
MC		 10806 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
10807 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
10808 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
c1d2a196
MC		 10809 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
10810 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
10811 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
c424cb24
MC		 10812 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10813 }
1da177e4 10814
1da177e4 10815 tp->coalesce_mode = 0;
1da177e4
LT		 10816 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10817 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10818 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10819
10820 /* Initialize MAC MI mode, polling disabled. */
10821 tw32_f(MAC_MI_MODE, tp->mi_mode);
10822 udelay(80);
10823
10824 /* Initialize data/descriptor byte/word swapping. */
10825 val = tr32(GRC_MODE);
10826 val &= GRC_MODE_HOST_STACKUP;
10827 tw32(GRC_MODE, val | tp->grc_mode);
10828
10829 tg3_switch_clocks(tp);
10830
10831 /* Clear this out for sanity. */
10832 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10833
10834 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10835 &pci_state_reg);
10836 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10837 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10838 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10839
10840 if (chiprevid == CHIPREV_ID_5701_A0 ||
10841 chiprevid == CHIPREV_ID_5701_B0 ||
10842 chiprevid == CHIPREV_ID_5701_B2 ||
10843 chiprevid == CHIPREV_ID_5701_B5) {
10844 void __iomem *sram_base;
10845
10846 /* Write some dummy words into the SRAM status block
10847 * area, see if it reads back correctly. If the return
10848 * value is bad, force enable the PCIX workaround.
10849 */
10850 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10851
10852 writel(0x00000000, sram_base);
10853 writel(0x00000000, sram_base + 4);
10854 writel(0xffffffff, sram_base + 4);
10855 if (readl(sram_base) != 0x00000000)
10856 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10857 }
10858 }
10859
10860 udelay(50);
10861 tg3_nvram_init(tp);
10862
10863 grc_misc_cfg = tr32(GRC_MISC_CFG);
10864 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10865
10866 /* Broadcom's driver says that CIOBE multisplit has a bug */
10867#if 0
10868 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
10869 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
10870 tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
10871 tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
10872 }
10873#endif
10874 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10875 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10876 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10877 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10878
fac9b83e
DM		 10879 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10880 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10881 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10882 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10883 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10884 HOSTCC_MODE_CLRTICK_TXBD);
10885
10886 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10887 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10888 tp->misc_host_ctrl);
10889 }
10890
1da177e4
LT		 10891 /* these are limited to 10/100 only */
10892 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10893 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10894 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10895 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10896 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10897 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10898 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10899 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10900 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
676917d4
MC		 10901 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
10902 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
b5d3772c 10903 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
1da177e4
LT		 10904 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
10905
10906 err = tg3_phy_probe(tp);
10907 if (err) {
10908 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
10909 pci_name(tp->pdev), err);
10910 /* ... but do not return immediately ... */
10911 }
10912
10913 tg3_read_partno(tp);
c4e6575c 10914 tg3_read_fw_ver(tp);
1da177e4
LT		 10915
10916 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
10917 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10918 } else {
10919 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10920 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
10921 else
10922 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10923 }
10924
10925 /* 5700 {AX,BX} chips have a broken status block link
10926 * change bit implementation, so we must use the
10927 * status register in those cases.
10928 */
10929 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10930 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
10931 else
10932 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
10933
10934 /* The led_ctrl is set during tg3_phy_probe, here we might
10935 * have to force the link status polling mechanism based
10936 * upon subsystem IDs.
10937 */
10938 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
10939 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
10940 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
10941 TG3_FLAG_USE_LINKCHG_REG);
10942 }
10943
10944 /* For all SERDES we poll the MAC status register. */
10945 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10946 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
10947 else
10948 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
10949
5a6f3074 10950 /* All chips before 5787 can get confused if TX buffers
1da177e4
LT		 10951 * straddle the 4GB address boundary in some cases.
10952 */
af36e6b6 10953 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
b5d3772c
MC		 10954 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10955 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
5a6f3074
MC		 10956 tp->dev->hard_start_xmit = tg3_start_xmit;
10957 else
10958 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
1da177e4
LT		 10959
10960 tp->rx_offset = 2;
10961 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
10962 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
10963 tp->rx_offset = 0;
10964
f92905de
MC		 10965 tp->rx_std_max_post = TG3_RX_RING_SIZE;
10966
10967 /* Increment the rx prod index on the rx std ring by at most
10968 * 8 for these chips to workaround hw errata.
10969 */
10970 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10971 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10972 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10973 tp->rx_std_max_post = 8;
10974
1da177e4
LT		 10975 /* By default, disable wake-on-lan. User can change this
10976 * using ETHTOOL_SWOL.
10977 */
10978 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
10979
10980 return err;
10981}
10982
10983#ifdef CONFIG_SPARC64
10984static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
10985{
10986 struct net_device *dev = tp->dev;
10987 struct pci_dev *pdev = tp->pdev;
10988 struct pcidev_cookie *pcp = pdev->sysdata;
10989
10990 if (pcp != NULL) {
de8d28b1
DM		 10991 unsigned char *addr;
10992 int len;
1da177e4 10993
de8d28b1
DM		 10994 addr = of_get_property(pcp->prom_node, "local-mac-address",
10995 &len);
10996 if (addr && len == 6) {
10997 memcpy(dev->dev_addr, addr, 6);
2ff43697 10998 memcpy(dev->perm_addr, dev->dev_addr, 6);
1da177e4
LT		 10999 return 0;
11000 }
11001 }
11002 return -ENODEV;
11003}
11004
11005static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
11006{
11007 struct net_device *dev = tp->dev;
11008
11009 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
2ff43697 11010 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
1da177e4
LT		 11011 return 0;
11012}
11013#endif
11014
11015static int __devinit tg3_get_device_address(struct tg3 *tp)
11016{
11017 struct net_device *dev = tp->dev;
11018 u32 hi, lo, mac_offset;
008652b3 11019 int addr_ok = 0;
1da177e4
LT		 11020
11021#ifdef CONFIG_SPARC64
11022 if (!tg3_get_macaddr_sparc(tp))
11023 return 0;
11024#endif
11025
11026 mac_offset = 0x7c;
f49639e6 11027 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
a4e2b347 11028 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
1da177e4
LT		 11029 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
11030 mac_offset = 0xcc;
11031 if (tg3_nvram_lock(tp))
11032 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
11033 else
11034 tg3_nvram_unlock(tp);
11035 }
b5d3772c
MC		 11036 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11037 mac_offset = 0x10;
1da177e4
LT		 11038
11039 /* First try to get it from MAC address mailbox. */
11040 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
11041 if ((hi >> 16) == 0x484b) {
11042 dev->dev_addr[0] = (hi >> 8) & 0xff;
11043 dev->dev_addr[1] = (hi >> 0) & 0xff;
11044
11045 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
11046 dev->dev_addr[2] = (lo >> 24) & 0xff;
11047 dev->dev_addr[3] = (lo >> 16) & 0xff;
11048 dev->dev_addr[4] = (lo >> 8) & 0xff;
11049 dev->dev_addr[5] = (lo >> 0) & 0xff;
1da177e4 11050
008652b3
MC		 11051 /* Some old bootcode may report a 0 MAC address in SRAM */
11052 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
11053 }
11054 if (!addr_ok) {
11055 /* Next, try NVRAM. */
f49639e6 11056 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
008652b3
MC		 11057 !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11058 dev->dev_addr[0] = ((hi >> 16) & 0xff);
11059 dev->dev_addr[1] = ((hi >> 24) & 0xff);
11060 dev->dev_addr[2] = ((lo >> 0) & 0xff);
11061 dev->dev_addr[3] = ((lo >> 8) & 0xff);
11062 dev->dev_addr[4] = ((lo >> 16) & 0xff);
11063 dev->dev_addr[5] = ((lo >> 24) & 0xff);
11064 }
11065 /* Finally just fetch it out of the MAC control regs. */
11066 else {
11067 hi = tr32(MAC_ADDR_0_HIGH);
11068 lo = tr32(MAC_ADDR_0_LOW);
11069
11070 dev->dev_addr[5] = lo & 0xff;
11071 dev->dev_addr[4] = (lo >> 8) & 0xff;
11072 dev->dev_addr[3] = (lo >> 16) & 0xff;
11073 dev->dev_addr[2] = (lo >> 24) & 0xff;
11074 dev->dev_addr[1] = hi & 0xff;
11075 dev->dev_addr[0] = (hi >> 8) & 0xff;
11076 }
1da177e4
LT		 11077 }
11078
11079 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11080#ifdef CONFIG_SPARC64
11081 if (!tg3_get_default_macaddr_sparc(tp))
11082 return 0;
11083#endif
11084 return -EINVAL;
11085 }
2ff43697 11086 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
1da177e4
LT		 11087 return 0;
11088}
11089
59e6b434
DM		 11090#define BOUNDARY_SINGLE_CACHELINE 1
11091#define BOUNDARY_MULTI_CACHELINE 2
11092
11093static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11094{
11095 int cacheline_size;
11096 u8 byte;
11097 int goal;
11098
11099 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11100 if (byte == 0)
11101 cacheline_size = 1024;
11102 else
11103 cacheline_size = (int) byte * 4;
11104
11105 /* On 5703 and later chips, the boundary bits have no
11106 * effect.
11107 */
11108 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11109 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11110 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11111 goto out;
11112
11113#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11114 goal = BOUNDARY_MULTI_CACHELINE;
11115#else
11116#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11117 goal = BOUNDARY_SINGLE_CACHELINE;
11118#else
11119 goal = 0;
11120#endif
11121#endif
11122
11123 if (!goal)
11124 goto out;
11125
11126 /* PCI controllers on most RISC systems tend to disconnect
11127 * when a device tries to burst across a cache-line boundary.
11128 * Therefore, letting tg3 do so just wastes PCI bandwidth.
11129 *
11130 * Unfortunately, for PCI-E there are only limited
11131 * write-side controls for this, and thus for reads
11132 * we will still get the disconnects. We'll also waste
11133 * these PCI cycles for both read and write for chips
11134 * other than 5700 and 5701 which do not implement the
11135 * boundary bits.
11136 */
11137 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11138 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11139 switch (cacheline_size) {
11140 case 16:
11141 case 32:
11142 case 64:
11143 case 128:
11144 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11145 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11146 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11147 } else {
11148 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11149 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11150 }
11151 break;
11152
11153 case 256:
11154 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11155 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11156 break;
11157
11158 default:
11159 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11160 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11161 break;
11162 };
11163 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11164 switch (cacheline_size) {
11165 case 16:
11166 case 32:
11167 case 64:
11168 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11169 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11170 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11171 break;
11172 }
11173 /* fallthrough */
11174 case 128:
11175 default:
11176 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11177 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11178 break;
11179 };
11180 } else {
11181 switch (cacheline_size) {
11182 case 16:
11183 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11184 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11185 DMA_RWCTRL_WRITE_BNDRY_16);
11186 break;
11187 }
11188 /* fallthrough */
11189 case 32:
11190 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11191 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11192 DMA_RWCTRL_WRITE_BNDRY_32);
11193 break;
11194 }
11195 /* fallthrough */
11196 case 64:
11197 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11198 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11199 DMA_RWCTRL_WRITE_BNDRY_64);
11200 break;
11201 }
11202 /* fallthrough */
11203 case 128:
11204 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11205 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11206 DMA_RWCTRL_WRITE_BNDRY_128);
11207 break;
11208 }
11209 /* fallthrough */
11210 case 256:
11211 val |= (DMA_RWCTRL_READ_BNDRY_256 |
11212 DMA_RWCTRL_WRITE_BNDRY_256);
11213 break;
11214 case 512:
11215 val |= (DMA_RWCTRL_READ_BNDRY_512 |
11216 DMA_RWCTRL_WRITE_BNDRY_512);
11217 break;
11218 case 1024:
11219 default:
11220 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11221 DMA_RWCTRL_WRITE_BNDRY_1024);
11222 break;
11223 };
11224 }
11225
11226out:
11227 return val;
11228}
11229
1da177e4
LT		 11230static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11231{
11232 struct tg3_internal_buffer_desc test_desc;
11233 u32 sram_dma_descs;
11234 int i, ret;
11235
11236 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11237
11238 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11239 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11240 tw32(RDMAC_STATUS, 0);
11241 tw32(WDMAC_STATUS, 0);
11242
11243 tw32(BUFMGR_MODE, 0);
11244 tw32(FTQ_RESET, 0);
11245
11246 test_desc.addr_hi = ((u64) buf_dma) >> 32;
11247 test_desc.addr_lo = buf_dma & 0xffffffff;
11248 test_desc.nic_mbuf = 0x00002100;
11249 test_desc.len = size;
11250
11251 /*
11252 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11253 * the *second* time the tg3 driver was getting loaded after an
11254 * initial scan.
11255 *
11256 * Broadcom tells me:
11257 * ...the DMA engine is connected to the GRC block and a DMA
11258 * reset may affect the GRC block in some unpredictable way...
11259 * The behavior of resets to individual blocks has not been tested.
11260 *
11261 * Broadcom noted the GRC reset will also reset all sub-components.
11262 */
11263 if (to_device) {
11264 test_desc.cqid_sqid = (13 << 8) | 2;
11265
11266 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11267 udelay(40);
11268 } else {
11269 test_desc.cqid_sqid = (16 << 8) | 7;
11270
11271 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11272 udelay(40);
11273 }
11274 test_desc.flags = 0x00000005;
11275
11276 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11277 u32 val;
11278
11279 val = *(((u32 *)&test_desc) + i);
11280 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11281 sram_dma_descs + (i * sizeof(u32)));
11282 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11283 }
11284 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11285
11286 if (to_device) {
11287 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11288 } else {
11289 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11290 }
11291
11292 ret = -ENODEV;
11293 for (i = 0; i < 40; i++) {
11294 u32 val;
11295
11296 if (to_device)
11297 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11298 else
11299 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11300 if ((val & 0xffff) == sram_dma_descs) {
11301 ret = 0;
11302 break;
11303 }
11304
11305 udelay(100);
11306 }
11307
11308 return ret;
11309}
11310
ded7340d 11311#define TEST_BUFFER_SIZE 0x2000
1da177e4
LT		 11312
11313static int __devinit tg3_test_dma(struct tg3 *tp)
11314{
11315 dma_addr_t buf_dma;
59e6b434 11316 u32 *buf, saved_dma_rwctrl;
1da177e4
LT		 11317 int ret;
11318
11319 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11320 if (!buf) {
11321 ret = -ENOMEM;
11322 goto out_nofree;
11323 }
11324
11325 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11326 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11327
59e6b434 11328 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
1da177e4
LT		 11329
11330 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11331 /* DMA read watermark not used on PCIE */
11332 tp->dma_rwctrl |= 0x00180000;
11333 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
85e94ced
MC		 11334 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11335 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
1da177e4
LT		 11336 tp->dma_rwctrl |= 0x003f0000;
11337 else
11338 tp->dma_rwctrl |= 0x003f000f;
11339 } else {
11340 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11341 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11342 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
49afdeb6 11343 u32 read_water = 0x7;
1da177e4 11344
4a29cc2e
MC		 11345 /* If the 5704 is behind the EPB bridge, we can
11346 * do the less restrictive ONE_DMA workaround for
11347 * better performance.
11348 */
11349 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11350 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11351 tp->dma_rwctrl |= 0x8000;
11352 else if (ccval == 0x6 || ccval == 0x7)
1da177e4
LT		 11353 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11354
49afdeb6
MC		 11355 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
11356 read_water = 4;
59e6b434 11357 /* Set bit 23 to enable PCIX hw bug fix */
49afdeb6
MC		 11358 tp->dma_rwctrl |=
11359 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
11360 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
11361 (1 << 23);
4cf78e4f
MC		 11362 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11363 /* 5780 always in PCIX mode */
11364 tp->dma_rwctrl |= 0x00144000;
a4e2b347
MC		 11365 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11366 /* 5714 always in PCIX mode */
11367 tp->dma_rwctrl |= 0x00148000;
1da177e4
LT		 11368 } else {
11369 tp->dma_rwctrl |= 0x001b000f;
11370 }
11371 }
11372
11373 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11374 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11375 tp->dma_rwctrl &= 0xfffffff0;
11376
11377 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11378 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11379 /* Remove this if it causes problems for some boards. */
11380 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11381
11382 /* On 5700/5701 chips, we need to set this bit.
11383 * Otherwise the chip will issue cacheline transactions
11384 * to streamable DMA memory with not all the byte
11385 * enables turned on. This is an error on several
11386 * RISC PCI controllers, in particular sparc64.
11387 *
11388 * On 5703/5704 chips, this bit has been reassigned
11389 * a different meaning. In particular, it is used
11390 * on those chips to enable a PCI-X workaround.
11391 */
11392 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11393 }
11394
11395 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11396
11397#if 0
11398 /* Unneeded, already done by tg3_get_invariants. */
11399 tg3_switch_clocks(tp);
11400#endif
11401
11402 ret = 0;
11403 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11404 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11405 goto out;
11406
59e6b434
DM		 11407 /* It is best to perform DMA test with maximum write burst size
11408 * to expose the 5700/5701 write DMA bug.
11409 */
11410 saved_dma_rwctrl = tp->dma_rwctrl;
11411 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11412 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11413
1da177e4
LT		 11414 while (1) {
11415 u32 *p = buf, i;
11416
11417 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11418 p[i] = i;
11419
11420 /* Send the buffer to the chip. */
11421 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11422 if (ret) {
11423 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11424 break;
11425 }
11426
11427#if 0
11428 /* validate data reached card RAM correctly. */
11429 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11430 u32 val;
11431 tg3_read_mem(tp, 0x2100 + (i*4), &val);
11432 if (le32_to_cpu(val) != p[i]) {
11433 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
11434 /* ret = -ENODEV here? */
11435 }
11436 p[i] = 0;
11437 }
11438#endif
11439 /* Now read it back. */
11440 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11441 if (ret) {
11442 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11443
11444 break;
11445 }
11446
11447 /* Verify it. */
11448 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11449 if (p[i] == i)
11450 continue;
11451
59e6b434
DM		 11452 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11453 DMA_RWCTRL_WRITE_BNDRY_16) {
11454 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
1da177e4
LT		 11455 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11456 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11457 break;
11458 } else {
11459 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11460 ret = -ENODEV;
11461 goto out;
11462 }
11463 }
11464
11465 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11466 /* Success. */
11467 ret = 0;
11468 break;
11469 }
11470 }
59e6b434
DM		 11471 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11472 DMA_RWCTRL_WRITE_BNDRY_16) {
6d1cfbab
MC		 11473 static struct pci_device_id dma_wait_state_chipsets[] = {
11474 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11475 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11476 { },
11477 };
11478
59e6b434 11479 /* DMA test passed without adjusting DMA boundary,
6d1cfbab
MC		 11480 * now look for chipsets that are known to expose the
11481 * DMA bug without failing the test.
59e6b434 11482 */
6d1cfbab
MC		 11483 if (pci_dev_present(dma_wait_state_chipsets)) {
11484 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11485 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11486 }
11487 else
11488 /* Safe to use the calculated DMA boundary. */
11489 tp->dma_rwctrl = saved_dma_rwctrl;
11490
59e6b434
DM		 11491 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11492 }
1da177e4
LT		 11493
11494out:
11495 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11496out_nofree:
11497 return ret;
11498}
11499
11500static void __devinit tg3_init_link_config(struct tg3 *tp)
11501{
11502 tp->link_config.advertising =
11503 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11504 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11505 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11506 ADVERTISED_Autoneg | ADVERTISED_MII);
11507 tp->link_config.speed = SPEED_INVALID;
11508 tp->link_config.duplex = DUPLEX_INVALID;
11509 tp->link_config.autoneg = AUTONEG_ENABLE;
1da177e4
LT		 11510 tp->link_config.active_speed = SPEED_INVALID;
11511 tp->link_config.active_duplex = DUPLEX_INVALID;
11512 tp->link_config.phy_is_low_power = 0;
11513 tp->link_config.orig_speed = SPEED_INVALID;
11514 tp->link_config.orig_duplex = DUPLEX_INVALID;
11515 tp->link_config.orig_autoneg = AUTONEG_INVALID;
11516}
11517
11518static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11519{
fdfec172
MC		 11520 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11521 tp->bufmgr_config.mbuf_read_dma_low_water =
11522 DEFAULT_MB_RDMA_LOW_WATER_5705;
11523 tp->bufmgr_config.mbuf_mac_rx_low_water =
11524 DEFAULT_MB_MACRX_LOW_WATER_5705;
11525 tp->bufmgr_config.mbuf_high_water =
11526 DEFAULT_MB_HIGH_WATER_5705;
b5d3772c
MC		 11527 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11528 tp->bufmgr_config.mbuf_mac_rx_low_water =
11529 DEFAULT_MB_MACRX_LOW_WATER_5906;
11530 tp->bufmgr_config.mbuf_high_water =
11531 DEFAULT_MB_HIGH_WATER_5906;
11532 }
fdfec172
MC		 11533
11534 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11535 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11536 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11537 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11538 tp->bufmgr_config.mbuf_high_water_jumbo =
11539 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11540 } else {
11541 tp->bufmgr_config.mbuf_read_dma_low_water =
11542 DEFAULT_MB_RDMA_LOW_WATER;
11543 tp->bufmgr_config.mbuf_mac_rx_low_water =
11544 DEFAULT_MB_MACRX_LOW_WATER;
11545 tp->bufmgr_config.mbuf_high_water =
11546 DEFAULT_MB_HIGH_WATER;
11547
11548 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11549 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11550 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11551 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11552 tp->bufmgr_config.mbuf_high_water_jumbo =
11553 DEFAULT_MB_HIGH_WATER_JUMBO;
11554 }
1da177e4
LT		 11555
11556 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11557 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11558}
11559
11560static char * __devinit tg3_phy_string(struct tg3 *tp)
11561{
11562 switch (tp->phy_id & PHY_ID_MASK) {
11563 case PHY_ID_BCM5400: return "5400";
11564 case PHY_ID_BCM5401: return "5401";
11565 case PHY_ID_BCM5411: return "5411";
11566 case PHY_ID_BCM5701: return "5701";
11567 case PHY_ID_BCM5703: return "5703";
11568 case PHY_ID_BCM5704: return "5704";
11569 case PHY_ID_BCM5705: return "5705";
11570 case PHY_ID_BCM5750: return "5750";
85e94ced 11571 case PHY_ID_BCM5752: return "5752";
a4e2b347 11572 case PHY_ID_BCM5714: return "5714";
4cf78e4f 11573 case PHY_ID_BCM5780: return "5780";
af36e6b6 11574 case PHY_ID_BCM5755: return "5755";
d9ab5ad1 11575 case PHY_ID_BCM5787: return "5787";
126a3368 11576 case PHY_ID_BCM5756: return "5722/5756";
b5d3772c 11577 case PHY_ID_BCM5906: return "5906";
1da177e4
LT		 11578 case PHY_ID_BCM8002: return "8002/serdes";
11579 case 0: return "serdes";
11580 default: return "unknown";
11581 };
11582}
11583
f9804ddb
MC		 11584static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11585{
11586 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11587 strcpy(str, "PCI Express");
11588 return str;
11589 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11590 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11591
11592 strcpy(str, "PCIX:");
11593
11594 if ((clock_ctrl == 7) ||
11595 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11596 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11597 strcat(str, "133MHz");
11598 else if (clock_ctrl == 0)
11599 strcat(str, "33MHz");
11600 else if (clock_ctrl == 2)
11601 strcat(str, "50MHz");
11602 else if (clock_ctrl == 4)
11603 strcat(str, "66MHz");
11604 else if (clock_ctrl == 6)
11605 strcat(str, "100MHz");
f9804ddb
MC		 11606 } else {
11607 strcpy(str, "PCI:");
11608 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11609 strcat(str, "66MHz");
11610 else
11611 strcat(str, "33MHz");
11612 }
11613 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11614 strcat(str, ":32-bit");
11615 else
11616 strcat(str, ":64-bit");
11617 return str;
11618}
11619
8c2dc7e1 11620static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
1da177e4
LT		 11621{
11622 struct pci_dev *peer;
11623 unsigned int func, devnr = tp->pdev->devfn & ~7;
11624
11625 for (func = 0; func < 8; func++) {
11626 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11627 if (peer && peer != tp->pdev)
11628 break;
11629 pci_dev_put(peer);
11630 }
16fe9d74
MC		 11631 /* 5704 can be configured in single-port mode, set peer to
11632 * tp->pdev in that case.
11633 */
11634 if (!peer) {
11635 peer = tp->pdev;
11636 return peer;
11637 }
1da177e4
LT		 11638
11639 /*
11640 * We don't need to keep the refcount elevated; there's no way
11641 * to remove one half of this device without removing the other
11642 */
11643 pci_dev_put(peer);
11644
11645 return peer;
11646}
11647
15f9850d
DM		 11648static void __devinit tg3_init_coal(struct tg3 *tp)
11649{
11650 struct ethtool_coalesce *ec = &tp->coal;
11651
11652 memset(ec, 0, sizeof(*ec));
11653 ec->cmd = ETHTOOL_GCOALESCE;
11654 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11655 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11656 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11657 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11658 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11659 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11660 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11661 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11662 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11663
11664 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11665 HOSTCC_MODE_CLRTICK_TXBD)) {
11666 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11667 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11668 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11669 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11670 }
d244c892
MC		 11671
11672 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11673 ec->rx_coalesce_usecs_irq = 0;
11674 ec->tx_coalesce_usecs_irq = 0;
11675 ec->stats_block_coalesce_usecs = 0;
11676 }
15f9850d
DM		 11677}
11678
1da177e4
LT		 11679static int __devinit tg3_init_one(struct pci_dev *pdev,
11680 const struct pci_device_id *ent)
11681{
11682 static int tg3_version_printed = 0;
11683 unsigned long tg3reg_base, tg3reg_len;
11684 struct net_device *dev;
11685 struct tg3 *tp;
72f2afb8 11686 int i, err, pm_cap;
f9804ddb 11687 char str[40];
72f2afb8 11688 u64 dma_mask, persist_dma_mask;
1da177e4
LT		 11689
11690 if (tg3_version_printed++ == 0)
11691 printk(KERN_INFO "%s", version);
11692
11693 err = pci_enable_device(pdev);
11694 if (err) {
11695 printk(KERN_ERR PFX "Cannot enable PCI device, "
11696 "aborting.\n");
11697 return err;
11698 }
11699
11700 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11701 printk(KERN_ERR PFX "Cannot find proper PCI device "
11702 "base address, aborting.\n");
11703 err = -ENODEV;
11704 goto err_out_disable_pdev;
11705 }
11706
11707 err = pci_request_regions(pdev, DRV_MODULE_NAME);
11708 if (err) {
11709 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11710 "aborting.\n");
11711 goto err_out_disable_pdev;
11712 }
11713
11714 pci_set_master(pdev);
11715
11716 /* Find power-management capability. */
11717 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11718 if (pm_cap == 0) {
11719 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11720 "aborting.\n");
11721 err = -EIO;
11722 goto err_out_free_res;
11723 }
11724
1da177e4
LT		 11725 tg3reg_base = pci_resource_start(pdev, 0);
11726 tg3reg_len = pci_resource_len(pdev, 0);
11727
11728 dev = alloc_etherdev(sizeof(*tp));
11729 if (!dev) {
11730 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11731 err = -ENOMEM;
11732 goto err_out_free_res;
11733 }
11734
11735 SET_MODULE_OWNER(dev);
11736 SET_NETDEV_DEV(dev, &pdev->dev);
11737
1da177e4
LT		 11738#if TG3_VLAN_TAG_USED
11739 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11740 dev->vlan_rx_register = tg3_vlan_rx_register;
11741 dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
11742#endif
11743
11744 tp = netdev_priv(dev);
11745 tp->pdev = pdev;
11746 tp->dev = dev;
11747 tp->pm_cap = pm_cap;
11748 tp->mac_mode = TG3_DEF_MAC_MODE;
11749 tp->rx_mode = TG3_DEF_RX_MODE;
11750 tp->tx_mode = TG3_DEF_TX_MODE;
11751 tp->mi_mode = MAC_MI_MODE_BASE;
11752 if (tg3_debug > 0)
11753 tp->msg_enable = tg3_debug;
11754 else
11755 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11756
11757 /* The word/byte swap controls here control register access byte
11758 * swapping. DMA data byte swapping is controlled in the GRC_MODE
11759 * setting below.
11760 */
11761 tp->misc_host_ctrl =
11762 MISC_HOST_CTRL_MASK_PCI_INT |
11763 MISC_HOST_CTRL_WORD_SWAP |
11764 MISC_HOST_CTRL_INDIR_ACCESS |
11765 MISC_HOST_CTRL_PCISTATE_RW;
11766
11767 /* The NONFRM (non-frame) byte/word swap controls take effect
11768 * on descriptor entries, anything which isn't packet data.
11769 *
11770 * The StrongARM chips on the board (one for tx, one for rx)
11771 * are running in big-endian mode.
11772 */
11773 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11774 GRC_MODE_WSWAP_NONFRM_DATA);
11775#ifdef __BIG_ENDIAN
11776 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11777#endif
11778 spin_lock_init(&tp->lock);
1da177e4 11779 spin_lock_init(&tp->indirect_lock);
c4028958 11780 INIT_WORK(&tp->reset_task, tg3_reset_task);
1da177e4
LT		 11781
11782 tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11783 if (tp->regs == 0UL) {
11784 printk(KERN_ERR PFX "Cannot map device registers, "
11785 "aborting.\n");
11786 err = -ENOMEM;
11787 goto err_out_free_dev;
11788 }
11789
11790 tg3_init_link_config(tp);
11791
1da177e4
LT		 11792 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11793 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11794 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11795
11796 dev->open = tg3_open;
11797 dev->stop = tg3_close;
11798 dev->get_stats = tg3_get_stats;
11799 dev->set_multicast_list = tg3_set_rx_mode;
11800 dev->set_mac_address = tg3_set_mac_addr;
11801 dev->do_ioctl = tg3_ioctl;
11802 dev->tx_timeout = tg3_tx_timeout;
11803 dev->poll = tg3_poll;
11804 dev->ethtool_ops = &tg3_ethtool_ops;
11805 dev->weight = 64;
11806 dev->watchdog_timeo = TG3_TX_TIMEOUT;
11807 dev->change_mtu = tg3_change_mtu;
11808 dev->irq = pdev->irq;
11809#ifdef CONFIG_NET_POLL_CONTROLLER
11810 dev->poll_controller = tg3_poll_controller;
11811#endif
11812
11813 err = tg3_get_invariants(tp);
11814 if (err) {
11815 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11816 "aborting.\n");
11817 goto err_out_iounmap;
11818 }
11819
4a29cc2e
MC		 11820 /* The EPB bridge inside 5714, 5715, and 5780 and any
11821 * device behind the EPB cannot support DMA addresses > 40-bit.
72f2afb8
MC		 11822 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11823 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11824 * do DMA address check in tg3_start_xmit().
11825 */
4a29cc2e
MC		 11826 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11827 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11828 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
72f2afb8
MC		 11829 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11830#ifdef CONFIG_HIGHMEM
11831 dma_mask = DMA_64BIT_MASK;
11832#endif
4a29cc2e 11833 } else
72f2afb8
MC		 11834 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11835
11836 /* Configure DMA attributes. */
11837 if (dma_mask > DMA_32BIT_MASK) {
11838 err = pci_set_dma_mask(pdev, dma_mask);
11839 if (!err) {
11840 dev->features |= NETIF_F_HIGHDMA;
11841 err = pci_set_consistent_dma_mask(pdev,
11842 persist_dma_mask);
11843 if (err < 0) {
11844 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11845 "DMA for consistent allocations\n");
11846 goto err_out_iounmap;
11847 }
11848 }
11849 }
11850 if (err || dma_mask == DMA_32BIT_MASK) {
11851 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11852 if (err) {
11853 printk(KERN_ERR PFX "No usable DMA configuration, "
11854 "aborting.\n");
11855 goto err_out_iounmap;
11856 }
11857 }
11858
fdfec172 11859 tg3_init_bufmgr_config(tp);
1da177e4 11860
1da177e4
LT		 11861 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11862 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11863 }
11864 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11865 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11866 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
c7835a77 11867 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
1da177e4
LT		 11868 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11869 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11870 } else {
7f62ad5d 11871 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
1da177e4
LT		 11872 }
11873
4e3a7aaa
MC		 11874 /* TSO is on by default on chips that support hardware TSO.
11875 * Firmware TSO on older chips gives lower performance, so it
11876 * is off by default, but can be enabled using ethtool.
11877 */
b0026624 11878 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
1da177e4 11879 dev->features |= NETIF_F_TSO;
b5d3772c
MC		 11880 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11881 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
b0026624
MC		 11882 dev->features |= NETIF_F_TSO6;
11883 }
1da177e4 11884
1da177e4
LT		 11885
11886 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11887 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11888 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11889 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11890 tp->rx_pending = 63;
11891 }
11892
8c2dc7e1
MC		 11893 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11894 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11895 tp->pdev_peer = tg3_find_peer(tp);
1da177e4
LT		 11896
11897 err = tg3_get_device_address(tp);
11898 if (err) {
11899 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11900 "aborting.\n");
11901 goto err_out_iounmap;
11902 }
11903
11904 /*
11905 * Reset chip in case UNDI or EFI driver did not shutdown
11906 * DMA self test will enable WDMAC and we'll see (spurious)
11907 * pending DMA on the PCI bus at that point.
11908 */
11909 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
11910 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
11911 pci_save_state(tp->pdev);
11912 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
944d980e 11913 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4
LT		 11914 }
11915
11916 err = tg3_test_dma(tp);
11917 if (err) {
11918 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
11919 goto err_out_iounmap;
11920 }
11921
11922 /* Tigon3 can do ipv4 only... and some chips have buggy
11923 * checksumming.
11924 */
11925 if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
af36e6b6
MC		 11926 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11927 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9c27dbdf
MC		 11928 dev->features |= NETIF_F_HW_CSUM;
11929 else
11930 dev->features |= NETIF_F_IP_CSUM;
11931 dev->features |= NETIF_F_SG;
1da177e4
LT		 11932 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11933 } else
11934 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
11935
1da177e4
LT		 11936 /* flow control autonegotiation is default behavior */
11937 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
11938
15f9850d
DM		 11939 tg3_init_coal(tp);
11940
7d3f4c97
DM		 11941 /* Now that we have fully setup the chip, save away a snapshot
11942 * of the PCI config space. We need to restore this after
11943 * GRC_MISC_CFG core clock resets and some resume events.
11944 */
11945 pci_save_state(tp->pdev);
11946
c49a1561
MC		 11947 pci_set_drvdata(pdev, dev);
11948
1da177e4
LT		 11949 err = register_netdev(dev);
11950 if (err) {
11951 printk(KERN_ERR PFX "Cannot register net device, "
11952 "aborting.\n");
11953 goto err_out_iounmap;
11954 }
11955
cbb45d21 11956 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
1da177e4
LT		 11957 dev->name,
11958 tp->board_part_number,
11959 tp->pci_chip_rev_id,
11960 tg3_phy_string(tp),
f9804ddb 11961 tg3_bus_string(tp, str),
cbb45d21
MC		 11962 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
11963 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
11964 "10/100/1000Base-T")));
1da177e4
LT		 11965
11966 for (i = 0; i < 6; i++)
11967 printk("%2.2x%c", dev->dev_addr[i],
11968 i == 5 ? '\n' : ':');
11969
11970 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
11971 "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
11972 "TSOcap[%d] \n",
11973 dev->name,
11974 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
11975 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
11976 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
11977 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
11978 (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
11979 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
11980 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
4a29cc2e
MC		 11981 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
11982 dev->name, tp->dma_rwctrl,
11983 (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
11984 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
1da177e4
LT		 11985
11986 return 0;
11987
11988err_out_iounmap:
6892914f
MC		 11989 if (tp->regs) {
11990 iounmap(tp->regs);
22abe310 11991 tp->regs = NULL;
6892914f 11992 }
1da177e4
LT		 11993
11994err_out_free_dev:
11995 free_netdev(dev);
11996
11997err_out_free_res:
11998 pci_release_regions(pdev);
11999
12000err_out_disable_pdev:
12001 pci_disable_device(pdev);
12002 pci_set_drvdata(pdev, NULL);
12003 return err;
12004}
12005
12006static void __devexit tg3_remove_one(struct pci_dev *pdev)
12007{
12008 struct net_device *dev = pci_get_drvdata(pdev);
12009
12010 if (dev) {
12011 struct tg3 *tp = netdev_priv(dev);
12012
7faa006f 12013 flush_scheduled_work();
1da177e4 12014 unregister_netdev(dev);
6892914f
MC		 12015 if (tp->regs) {
12016 iounmap(tp->regs);
22abe310 12017 tp->regs = NULL;
6892914f 12018 }
1da177e4
LT		 12019 free_netdev(dev);
12020 pci_release_regions(pdev);
12021 pci_disable_device(pdev);
12022 pci_set_drvdata(pdev, NULL);
12023 }
12024}
12025
12026static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
12027{
12028 struct net_device *dev = pci_get_drvdata(pdev);
12029 struct tg3 *tp = netdev_priv(dev);
12030 int err;
12031
12032 if (!netif_running(dev))
12033 return 0;
12034
7faa006f 12035 flush_scheduled_work();
1da177e4
LT		 12036 tg3_netif_stop(tp);
12037
12038 del_timer_sync(&tp->timer);
12039
f47c11ee 12040 tg3_full_lock(tp, 1);
1da177e4 12041 tg3_disable_ints(tp);
f47c11ee 12042 tg3_full_unlock(tp);
1da177e4
LT		 12043
12044 netif_device_detach(dev);
12045
f47c11ee 12046 tg3_full_lock(tp, 0);
944d980e 12047 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6a9eba15 12048 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
f47c11ee 12049 tg3_full_unlock(tp);
1da177e4 12050
436f1379
MC		 12051 /* Save MSI address and data for resume. */
12052 pci_save_state(pdev);
12053
1da177e4
LT		 12054 err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
12055 if (err) {
f47c11ee 12056 tg3_full_lock(tp, 0);
1da177e4 12057
6a9eba15 12058 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 12059 if (tg3_restart_hw(tp, 1))
12060 goto out;
1da177e4
LT		 12061
12062 tp->timer.expires = jiffies + tp->timer_offset;
12063 add_timer(&tp->timer);
12064
12065 netif_device_attach(dev);
12066 tg3_netif_start(tp);
12067
b9ec6c1b 12068out:
f47c11ee 12069 tg3_full_unlock(tp);
1da177e4
LT		 12070 }
12071
12072 return err;
12073}
12074
12075static int tg3_resume(struct pci_dev *pdev)
12076{
12077 struct net_device *dev = pci_get_drvdata(pdev);
12078 struct tg3 *tp = netdev_priv(dev);
12079 int err;
12080
12081 if (!netif_running(dev))
12082 return 0;
12083
12084 pci_restore_state(tp->pdev);
12085
bc1c7567 12086 err = tg3_set_power_state(tp, PCI_D0);
1da177e4
LT		 12087 if (err)
12088 return err;
12089
12090 netif_device_attach(dev);
12091
f47c11ee 12092 tg3_full_lock(tp, 0);
1da177e4 12093
6a9eba15 12094 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
b9ec6c1b
MC		 12095 err = tg3_restart_hw(tp, 1);
12096 if (err)
12097 goto out;
1da177e4
LT		 12098
12099 tp->timer.expires = jiffies + tp->timer_offset;
12100 add_timer(&tp->timer);
12101
1da177e4
LT		 12102 tg3_netif_start(tp);
12103
b9ec6c1b 12104out:
f47c11ee 12105 tg3_full_unlock(tp);
1da177e4 12106
b9ec6c1b 12107 return err;
1da177e4
LT		 12108}
12109
12110static struct pci_driver tg3_driver = {
12111 .name = DRV_MODULE_NAME,
12112 .id_table = tg3_pci_tbl,
12113 .probe = tg3_init_one,
12114 .remove = __devexit_p(tg3_remove_one),
12115 .suspend = tg3_suspend,
12116 .resume = tg3_resume
12117};
12118
12119static int __init tg3_init(void)
12120{
29917620 12121 return pci_register_driver(&tg3_driver);
1da177e4
LT		 12122}
12123
12124static void __exit tg3_cleanup(void)
12125{
12126 pci_unregister_driver(&tg3_driver);
12127}
12128
12129module_init(tg3_init);
12130module_exit(tg3_cleanup);
Linux kernel - Deliverables
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