Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * macsonic.c | |
3 | * | |
efcce839 FT |
4 | * (C) 2005 Finn Thain |
5 | * | |
6 | * Converted to DMA API, converted to unified driver model, made it work as | |
7 | * a module again, and from the mac68k project, introduced more 32-bit cards | |
8 | * and dhd's support for 16-bit cards. | |
9 | * | |
1da177e4 LT |
10 | * (C) 1998 Alan Cox |
11 | * | |
12 | * Debugging Andreas Ehliar, Michael Schmitz | |
13 | * | |
14 | * Based on code | |
15 | * (C) 1996 by Thomas Bogendoerfer (tsbogend@bigbug.franken.de) | |
6aa20a22 | 16 | * |
1da177e4 LT |
17 | * This driver is based on work from Andreas Busse, but most of |
18 | * the code is rewritten. | |
6aa20a22 | 19 | * |
1da177e4 LT |
20 | * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de) |
21 | * | |
22 | * A driver for the Mac onboard Sonic ethernet chip. | |
23 | * | |
6aa20a22 | 24 | * 98/12/21 MSch: judged from tests on Q800, it's basically working, |
1da177e4 LT |
25 | * but eating up both receive and transmit resources |
26 | * and duplicating packets. Needs more testing. | |
27 | * | |
28 | * 99/01/03 MSch: upgraded to version 0.92 of the core driver, fixed. | |
6aa20a22 | 29 | * |
1da177e4 LT |
30 | * 00/10/31 sammy@oh.verio.com: Updated driver for 2.4 kernels, fixed problems |
31 | * on centris. | |
32 | */ | |
33 | ||
34 | #include <linux/kernel.h> | |
efcce839 | 35 | #include <linux/module.h> |
1da177e4 | 36 | #include <linux/types.h> |
1da177e4 LT |
37 | #include <linux/fcntl.h> |
38 | #include <linux/interrupt.h> | |
39 | #include <linux/init.h> | |
40 | #include <linux/ioport.h> | |
41 | #include <linux/in.h> | |
42 | #include <linux/slab.h> | |
43 | #include <linux/string.h> | |
44 | #include <linux/delay.h> | |
45 | #include <linux/nubus.h> | |
46 | #include <linux/errno.h> | |
47 | #include <linux/netdevice.h> | |
48 | #include <linux/etherdevice.h> | |
49 | #include <linux/skbuff.h> | |
d052d1be | 50 | #include <linux/platform_device.h> |
efcce839 | 51 | #include <linux/dma-mapping.h> |
427a57a7 | 52 | #include <linux/bitrev.h> |
1da177e4 LT |
53 | |
54 | #include <asm/bootinfo.h> | |
55 | #include <asm/system.h> | |
56 | #include <asm/pgtable.h> | |
57 | #include <asm/io.h> | |
58 | #include <asm/hwtest.h> | |
59 | #include <asm/dma.h> | |
60 | #include <asm/macintosh.h> | |
61 | #include <asm/macints.h> | |
62 | #include <asm/mac_via.h> | |
63 | ||
efcce839 FT |
64 | static char mac_sonic_string[] = "macsonic"; |
65 | static struct platform_device *mac_sonic_device; | |
1da177e4 LT |
66 | |
67 | #include "sonic.h" | |
68 | ||
efcce839 FT |
69 | /* These should basically be bus-size and endian independent (since |
70 | the SONIC is at least smart enough that it uses the same endianness | |
71 | as the host, unlike certain less enlightened Macintosh NICs) */ | |
72 | #define SONIC_READ(reg) (nubus_readw(dev->base_addr + (reg * 4) \ | |
73 | + lp->reg_offset)) | |
74 | #define SONIC_WRITE(reg,val) (nubus_writew(val, dev->base_addr + (reg * 4) \ | |
75 | + lp->reg_offset)) | |
76 | ||
77 | /* use 0 for production, 1 for verification, >1 for debug */ | |
78 | #ifdef SONIC_DEBUG | |
79 | static unsigned int sonic_debug = SONIC_DEBUG; | |
6aa20a22 | 80 | #else |
efcce839 FT |
81 | static unsigned int sonic_debug = 1; |
82 | #endif | |
1da177e4 | 83 | |
1da177e4 LT |
84 | static int sonic_version_printed; |
85 | ||
1da177e4 LT |
86 | /* For onboard SONIC */ |
87 | #define ONBOARD_SONIC_REGISTERS 0x50F0A000 | |
88 | #define ONBOARD_SONIC_PROM_BASE 0x50f08000 | |
89 | ||
90 | enum macsonic_type { | |
91 | MACSONIC_DUODOCK, | |
92 | MACSONIC_APPLE, | |
93 | MACSONIC_APPLE16, | |
94 | MACSONIC_DAYNA, | |
95 | MACSONIC_DAYNALINK | |
96 | }; | |
97 | ||
98 | /* For the built-in SONIC in the Duo Dock */ | |
99 | #define DUODOCK_SONIC_REGISTERS 0xe10000 | |
100 | #define DUODOCK_SONIC_PROM_BASE 0xe12000 | |
101 | ||
102 | /* For Apple-style NuBus SONIC */ | |
103 | #define APPLE_SONIC_REGISTERS 0 | |
104 | #define APPLE_SONIC_PROM_BASE 0x40000 | |
105 | ||
106 | /* Daynalink LC SONIC */ | |
107 | #define DAYNALINK_PROM_BASE 0x400000 | |
108 | ||
109 | /* For Dayna-style NuBus SONIC (haven't seen one yet) */ | |
110 | #define DAYNA_SONIC_REGISTERS 0x180000 | |
111 | /* This is what OpenBSD says. However, this is definitely in NuBus | |
112 | ROM space so we should be able to get it by walking the NuBus | |
113 | resource directories */ | |
114 | #define DAYNA_SONIC_MAC_ADDR 0xffe004 | |
115 | ||
116 | #define SONIC_READ_PROM(addr) nubus_readb(prom_addr+addr) | |
117 | ||
1da177e4 LT |
118 | /* |
119 | * For reversing the PROM address | |
120 | */ | |
121 | ||
1da177e4 LT |
122 | static inline void bit_reverse_addr(unsigned char addr[6]) |
123 | { | |
124 | int i; | |
125 | ||
126 | for(i = 0; i < 6; i++) | |
bc63eb9c | 127 | addr[i] = bitrev8(addr[i]); |
1da177e4 LT |
128 | } |
129 | ||
f4d86754 FT |
130 | static irqreturn_t macsonic_interrupt(int irq, void *dev_id) |
131 | { | |
132 | irqreturn_t result; | |
133 | unsigned long flags; | |
134 | ||
135 | local_irq_save(flags); | |
136 | result = sonic_interrupt(irq, dev_id); | |
137 | local_irq_restore(flags); | |
138 | return result; | |
139 | } | |
140 | ||
141 | static int macsonic_open(struct net_device* dev) | |
142 | { | |
143 | if (request_irq(dev->irq, &sonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) { | |
144 | printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq); | |
145 | return -EAGAIN; | |
146 | } | |
147 | /* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes | |
148 | * in at priority level 3. However, we sometimes get the level 2 inter- | |
149 | * rupt as well, which must prevent re-entrance of the sonic handler. | |
150 | */ | |
151 | if (dev->irq == IRQ_AUTO_3) | |
152 | if (request_irq(IRQ_NUBUS_9, &macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) { | |
153 | printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, IRQ_NUBUS_9); | |
154 | free_irq(dev->irq, dev); | |
155 | return -EAGAIN; | |
156 | } | |
157 | return sonic_open(dev); | |
158 | } | |
159 | ||
160 | static int macsonic_close(struct net_device* dev) | |
161 | { | |
162 | int err; | |
163 | err = sonic_close(dev); | |
164 | free_irq(dev->irq, dev); | |
165 | if (dev->irq == IRQ_AUTO_3) | |
166 | free_irq(IRQ_NUBUS_9, dev); | |
167 | return err; | |
168 | } | |
169 | ||
44f74c04 | 170 | static int __init macsonic_init(struct net_device *dev) |
1da177e4 | 171 | { |
efcce839 | 172 | struct sonic_local* lp = netdev_priv(dev); |
1da177e4 LT |
173 | |
174 | /* Allocate the entire chunk of memory for the descriptors. | |
175 | Note that this cannot cross a 64K boundary. */ | |
efcce839 FT |
176 | if ((lp->descriptors = dma_alloc_coherent(lp->device, |
177 | SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), | |
178 | &lp->descriptors_laddr, GFP_KERNEL)) == NULL) { | |
179 | printk(KERN_ERR "%s: couldn't alloc DMA memory for descriptors.\n", lp->device->bus_id); | |
1da177e4 | 180 | return -ENOMEM; |
efcce839 | 181 | } |
1da177e4 LT |
182 | |
183 | /* Now set up the pointers to point to the appropriate places */ | |
efcce839 FT |
184 | lp->cda = lp->descriptors; |
185 | lp->tda = lp->cda + (SIZEOF_SONIC_CDA | |
186 | * SONIC_BUS_SCALE(lp->dma_bitmode)); | |
1da177e4 | 187 | lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS |
efcce839 | 188 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
1da177e4 | 189 | lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS |
efcce839 | 190 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
1da177e4 | 191 | |
efcce839 FT |
192 | lp->cda_laddr = lp->descriptors_laddr; |
193 | lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA | |
194 | * SONIC_BUS_SCALE(lp->dma_bitmode)); | |
195 | lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS | |
196 | * SONIC_BUS_SCALE(lp->dma_bitmode)); | |
197 | lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS | |
198 | * SONIC_BUS_SCALE(lp->dma_bitmode)); | |
1da177e4 | 199 | |
f4d86754 FT |
200 | dev->open = macsonic_open; |
201 | dev->stop = macsonic_close; | |
1da177e4 LT |
202 | dev->hard_start_xmit = sonic_send_packet; |
203 | dev->get_stats = sonic_get_stats; | |
204 | dev->set_multicast_list = &sonic_multicast_list; | |
efcce839 FT |
205 | dev->tx_timeout = sonic_tx_timeout; |
206 | dev->watchdog_timeo = TX_TIMEOUT; | |
1da177e4 LT |
207 | |
208 | /* | |
209 | * clear tally counter | |
210 | */ | |
efcce839 FT |
211 | SONIC_WRITE(SONIC_CRCT, 0xffff); |
212 | SONIC_WRITE(SONIC_FAET, 0xffff); | |
213 | SONIC_WRITE(SONIC_MPT, 0xffff); | |
1da177e4 LT |
214 | |
215 | return 0; | |
216 | } | |
217 | ||
44f74c04 | 218 | static int __init mac_onboard_sonic_ethernet_addr(struct net_device *dev) |
1da177e4 | 219 | { |
efcce839 | 220 | struct sonic_local *lp = netdev_priv(dev); |
1da177e4 LT |
221 | const int prom_addr = ONBOARD_SONIC_PROM_BASE; |
222 | int i; | |
223 | ||
224 | /* On NuBus boards we can sometimes look in the ROM resources. | |
225 | No such luck for comm-slot/onboard. */ | |
226 | for(i = 0; i < 6; i++) | |
227 | dev->dev_addr[i] = SONIC_READ_PROM(i); | |
228 | ||
229 | /* Most of the time, the address is bit-reversed. The NetBSD | |
230 | source has a rather long and detailed historical account of | |
231 | why this is so. */ | |
232 | if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && | |
233 | memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && | |
efcce839 | 234 | memcmp(dev->dev_addr, "\x00\x80\x19", 3) && |
1da177e4 LT |
235 | memcmp(dev->dev_addr, "\x00\x05\x02", 3)) |
236 | bit_reverse_addr(dev->dev_addr); | |
237 | else | |
238 | return 0; | |
239 | ||
240 | /* If we still have what seems to be a bogus address, we'll | |
241 | look in the CAM. The top entry should be ours. */ | |
242 | /* Danger! This only works if MacOS has already initialized | |
243 | the card... */ | |
244 | if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && | |
245 | memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && | |
efcce839 | 246 | memcmp(dev->dev_addr, "\x00\x80\x19", 3) && |
1da177e4 LT |
247 | memcmp(dev->dev_addr, "\x00\x05\x02", 3)) |
248 | { | |
249 | unsigned short val; | |
250 | ||
251 | printk(KERN_INFO "macsonic: PROM seems to be wrong, trying CAM entry 15\n"); | |
6aa20a22 | 252 | |
efcce839 FT |
253 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
254 | SONIC_WRITE(SONIC_CEP, 15); | |
1da177e4 | 255 | |
efcce839 | 256 | val = SONIC_READ(SONIC_CAP2); |
1da177e4 LT |
257 | dev->dev_addr[5] = val >> 8; |
258 | dev->dev_addr[4] = val & 0xff; | |
efcce839 | 259 | val = SONIC_READ(SONIC_CAP1); |
1da177e4 LT |
260 | dev->dev_addr[3] = val >> 8; |
261 | dev->dev_addr[2] = val & 0xff; | |
efcce839 | 262 | val = SONIC_READ(SONIC_CAP0); |
1da177e4 LT |
263 | dev->dev_addr[1] = val >> 8; |
264 | dev->dev_addr[0] = val & 0xff; | |
6aa20a22 | 265 | |
e174961c JB |
266 | printk(KERN_INFO "HW Address from CAM 15: %pM\n", |
267 | dev->dev_addr); | |
1da177e4 LT |
268 | } else return 0; |
269 | ||
270 | if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && | |
271 | memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && | |
efcce839 | 272 | memcmp(dev->dev_addr, "\x00\x80\x19", 3) && |
1da177e4 LT |
273 | memcmp(dev->dev_addr, "\x00\x05\x02", 3)) |
274 | { | |
275 | /* | |
276 | * Still nonsense ... messed up someplace! | |
277 | */ | |
278 | printk(KERN_ERR "macsonic: ERROR (INVALID MAC)\n"); | |
279 | return -EIO; | |
280 | } else return 0; | |
281 | } | |
282 | ||
44f74c04 | 283 | static int __init mac_onboard_sonic_probe(struct net_device *dev) |
1da177e4 LT |
284 | { |
285 | /* Bwahahaha */ | |
286 | static int once_is_more_than_enough; | |
efcce839 FT |
287 | struct sonic_local* lp = netdev_priv(dev); |
288 | int sr; | |
289 | int commslot = 0; | |
6aa20a22 | 290 | |
1da177e4 LT |
291 | if (once_is_more_than_enough) |
292 | return -ENODEV; | |
293 | once_is_more_than_enough = 1; | |
294 | ||
295 | if (!MACH_IS_MAC) | |
296 | return -ENODEV; | |
297 | ||
1da177e4 | 298 | if (macintosh_config->ether_type != MAC_ETHER_SONIC) |
1da177e4 | 299 | return -ENODEV; |
6aa20a22 | 300 | |
efcce839 | 301 | printk(KERN_INFO "Checking for internal Macintosh ethernet (SONIC).. "); |
6aa20a22 | 302 | |
1da177e4 LT |
303 | /* Bogus probing, on the models which may or may not have |
304 | Ethernet (BTW, the Ethernet *is* always at the same | |
305 | address, and nothing else lives there, at least if Apple's | |
306 | documentation is to be believed) */ | |
307 | if (macintosh_config->ident == MAC_MODEL_Q630 || | |
308 | macintosh_config->ident == MAC_MODEL_P588 || | |
efcce839 | 309 | macintosh_config->ident == MAC_MODEL_P575 || |
1da177e4 LT |
310 | macintosh_config->ident == MAC_MODEL_C610) { |
311 | unsigned long flags; | |
312 | int card_present; | |
313 | ||
314 | local_irq_save(flags); | |
315 | card_present = hwreg_present((void*)ONBOARD_SONIC_REGISTERS); | |
316 | local_irq_restore(flags); | |
317 | ||
318 | if (!card_present) { | |
319 | printk("none.\n"); | |
320 | return -ENODEV; | |
321 | } | |
efcce839 | 322 | commslot = 1; |
1da177e4 LT |
323 | } |
324 | ||
6aa20a22 | 325 | printk("yes\n"); |
1da177e4 | 326 | |
efcce839 FT |
327 | /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset |
328 | * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ | |
1da177e4 LT |
329 | dev->base_addr = ONBOARD_SONIC_REGISTERS; |
330 | if (via_alt_mapping) | |
331 | dev->irq = IRQ_AUTO_3; | |
332 | else | |
333 | dev->irq = IRQ_NUBUS_9; | |
334 | ||
335 | if (!sonic_version_printed) { | |
336 | printk(KERN_INFO "%s", version); | |
337 | sonic_version_printed = 1; | |
338 | } | |
339 | printk(KERN_INFO "%s: onboard / comm-slot SONIC at 0x%08lx\n", | |
efcce839 | 340 | lp->device->bus_id, dev->base_addr); |
1da177e4 LT |
341 | |
342 | /* The PowerBook's SONIC is 16 bit always. */ | |
343 | if (macintosh_config->ident == MAC_MODEL_PB520) { | |
efcce839 FT |
344 | lp->reg_offset = 0; |
345 | lp->dma_bitmode = SONIC_BITMODE16; | |
346 | sr = SONIC_READ(SONIC_SR); | |
347 | } else if (commslot) { | |
1da177e4 | 348 | /* Some of the comm-slot cards are 16 bit. But some |
efcce839 FT |
349 | of them are not. The 32-bit cards use offset 2 and |
350 | have known revisions, we try reading the revision | |
351 | register at offset 2, if we don't get a known revision | |
352 | we assume 16 bit at offset 0. */ | |
353 | lp->reg_offset = 2; | |
354 | lp->dma_bitmode = SONIC_BITMODE16; | |
355 | ||
356 | sr = SONIC_READ(SONIC_SR); | |
6aa20a22 | 357 | if (sr == 0x0004 || sr == 0x0006 || sr == 0x0100 || sr == 0x0101) |
efcce839 FT |
358 | /* 83932 is 0x0004 or 0x0006, 83934 is 0x0100 or 0x0101 */ |
359 | lp->dma_bitmode = SONIC_BITMODE32; | |
360 | else { | |
361 | lp->dma_bitmode = SONIC_BITMODE16; | |
362 | lp->reg_offset = 0; | |
363 | sr = SONIC_READ(SONIC_SR); | |
1da177e4 | 364 | } |
efcce839 FT |
365 | } else { |
366 | /* All onboard cards are at offset 2 with 32 bit DMA. */ | |
367 | lp->reg_offset = 2; | |
368 | lp->dma_bitmode = SONIC_BITMODE32; | |
369 | sr = SONIC_READ(SONIC_SR); | |
1da177e4 | 370 | } |
efcce839 FT |
371 | printk(KERN_INFO |
372 | "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", | |
373 | lp->device->bus_id, sr, lp->dma_bitmode?32:16, lp->reg_offset); | |
1da177e4 | 374 | |
efcce839 FT |
375 | #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ |
376 | printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", lp->device->bus_id, | |
377 | SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); | |
378 | #endif | |
1da177e4 | 379 | |
1da177e4 | 380 | /* Software reset, then initialize control registers. */ |
efcce839 FT |
381 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
382 | ||
383 | SONIC_WRITE(SONIC_DCR, SONIC_DCR_EXBUS | SONIC_DCR_BMS | | |
384 | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | | |
385 | (lp->dma_bitmode ? SONIC_DCR_DW : 0)); | |
1da177e4 LT |
386 | |
387 | /* This *must* be written back to in order to restore the | |
efcce839 FT |
388 | * extended programmable output bits, as it may not have been |
389 | * initialised since the hardware reset. */ | |
390 | SONIC_WRITE(SONIC_DCR2, 0); | |
1da177e4 LT |
391 | |
392 | /* Clear *and* disable interrupts to be on the safe side */ | |
efcce839 FT |
393 | SONIC_WRITE(SONIC_IMR, 0); |
394 | SONIC_WRITE(SONIC_ISR, 0x7fff); | |
1da177e4 LT |
395 | |
396 | /* Now look for the MAC address. */ | |
397 | if (mac_onboard_sonic_ethernet_addr(dev) != 0) | |
398 | return -ENODEV; | |
399 | ||
1da177e4 LT |
400 | /* Shared init code */ |
401 | return macsonic_init(dev); | |
402 | } | |
403 | ||
44f74c04 AB |
404 | static int __init mac_nubus_sonic_ethernet_addr(struct net_device *dev, |
405 | unsigned long prom_addr, | |
406 | int id) | |
1da177e4 LT |
407 | { |
408 | int i; | |
409 | for(i = 0; i < 6; i++) | |
410 | dev->dev_addr[i] = SONIC_READ_PROM(i); | |
efcce839 FT |
411 | |
412 | /* Some of the addresses are bit-reversed */ | |
413 | if (id != MACSONIC_DAYNA) | |
414 | bit_reverse_addr(dev->dev_addr); | |
1da177e4 LT |
415 | |
416 | return 0; | |
417 | } | |
418 | ||
44f74c04 | 419 | static int __init macsonic_ident(struct nubus_dev *ndev) |
1da177e4 | 420 | { |
6aa20a22 | 421 | if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC && |
1da177e4 LT |
422 | ndev->dr_sw == NUBUS_DRSW_SONIC_LC) |
423 | return MACSONIC_DAYNALINK; | |
424 | if (ndev->dr_hw == NUBUS_DRHW_SONIC && | |
425 | ndev->dr_sw == NUBUS_DRSW_APPLE) { | |
426 | /* There has to be a better way to do this... */ | |
427 | if (strstr(ndev->board->name, "DuoDock")) | |
428 | return MACSONIC_DUODOCK; | |
429 | else | |
430 | return MACSONIC_APPLE; | |
431 | } | |
6aa20a22 | 432 | |
efcce839 FT |
433 | if (ndev->dr_hw == NUBUS_DRHW_SMC9194 && |
434 | ndev->dr_sw == NUBUS_DRSW_DAYNA) | |
435 | return MACSONIC_DAYNA; | |
6aa20a22 | 436 | |
f8779588 | 437 | if (ndev->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC && |
efcce839 FT |
438 | ndev->dr_sw == 0) { /* huh? */ |
439 | return MACSONIC_APPLE16; | |
440 | } | |
1da177e4 LT |
441 | return -1; |
442 | } | |
443 | ||
44f74c04 | 444 | static int __init mac_nubus_sonic_probe(struct net_device *dev) |
1da177e4 LT |
445 | { |
446 | static int slots; | |
447 | struct nubus_dev* ndev = NULL; | |
efcce839 | 448 | struct sonic_local* lp = netdev_priv(dev); |
1da177e4 LT |
449 | unsigned long base_addr, prom_addr; |
450 | u16 sonic_dcr; | |
efcce839 FT |
451 | int id = -1; |
452 | int reg_offset, dma_bitmode; | |
6aa20a22 | 453 | |
1da177e4 LT |
454 | /* Find the first SONIC that hasn't been initialized already */ |
455 | while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, | |
456 | NUBUS_TYPE_ETHERNET, ndev)) != NULL) | |
457 | { | |
458 | /* Have we seen it already? */ | |
459 | if (slots & (1<<ndev->board->slot)) | |
460 | continue; | |
461 | slots |= 1<<ndev->board->slot; | |
462 | ||
463 | /* Is it one of ours? */ | |
464 | if ((id = macsonic_ident(ndev)) != -1) | |
465 | break; | |
466 | } | |
467 | ||
468 | if (ndev == NULL) | |
469 | return -ENODEV; | |
470 | ||
471 | switch (id) { | |
472 | case MACSONIC_DUODOCK: | |
473 | base_addr = ndev->board->slot_addr + DUODOCK_SONIC_REGISTERS; | |
474 | prom_addr = ndev->board->slot_addr + DUODOCK_SONIC_PROM_BASE; | |
efcce839 FT |
475 | sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT0 | SONIC_DCR_RFT1 | |
476 | SONIC_DCR_TFT0; | |
1da177e4 | 477 | reg_offset = 2; |
efcce839 | 478 | dma_bitmode = SONIC_BITMODE32; |
1da177e4 LT |
479 | break; |
480 | case MACSONIC_APPLE: | |
481 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; | |
482 | prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; | |
483 | sonic_dcr = SONIC_DCR_BMS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0; | |
484 | reg_offset = 0; | |
efcce839 | 485 | dma_bitmode = SONIC_BITMODE32; |
1da177e4 LT |
486 | break; |
487 | case MACSONIC_APPLE16: | |
488 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; | |
489 | prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; | |
efcce839 | 490 | sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | |
6aa20a22 | 491 | SONIC_DCR_PO1 | SONIC_DCR_BMS; |
1da177e4 | 492 | reg_offset = 0; |
efcce839 | 493 | dma_bitmode = SONIC_BITMODE16; |
1da177e4 LT |
494 | break; |
495 | case MACSONIC_DAYNALINK: | |
496 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; | |
497 | prom_addr = ndev->board->slot_addr + DAYNALINK_PROM_BASE; | |
efcce839 | 498 | sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | |
6aa20a22 | 499 | SONIC_DCR_PO1 | SONIC_DCR_BMS; |
1da177e4 | 500 | reg_offset = 0; |
efcce839 | 501 | dma_bitmode = SONIC_BITMODE16; |
1da177e4 LT |
502 | break; |
503 | case MACSONIC_DAYNA: | |
504 | base_addr = ndev->board->slot_addr + DAYNA_SONIC_REGISTERS; | |
505 | prom_addr = ndev->board->slot_addr + DAYNA_SONIC_MAC_ADDR; | |
efcce839 FT |
506 | sonic_dcr = SONIC_DCR_BMS | |
507 | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_PO1; | |
1da177e4 | 508 | reg_offset = 0; |
efcce839 | 509 | dma_bitmode = SONIC_BITMODE16; |
1da177e4 LT |
510 | break; |
511 | default: | |
512 | printk(KERN_ERR "macsonic: WTF, id is %d\n", id); | |
513 | return -ENODEV; | |
514 | } | |
515 | ||
efcce839 FT |
516 | /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset |
517 | * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ | |
1da177e4 | 518 | dev->base_addr = base_addr; |
efcce839 FT |
519 | lp->reg_offset = reg_offset; |
520 | lp->dma_bitmode = dma_bitmode; | |
1da177e4 LT |
521 | dev->irq = SLOT2IRQ(ndev->board->slot); |
522 | ||
523 | if (!sonic_version_printed) { | |
524 | printk(KERN_INFO "%s", version); | |
525 | sonic_version_printed = 1; | |
526 | } | |
527 | printk(KERN_INFO "%s: %s in slot %X\n", | |
efcce839 | 528 | lp->device->bus_id, ndev->board->name, ndev->board->slot); |
1da177e4 | 529 | printk(KERN_INFO "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", |
efcce839 | 530 | lp->device->bus_id, SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset); |
1da177e4 | 531 | |
efcce839 FT |
532 | #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ |
533 | printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", lp->device->bus_id, | |
534 | SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); | |
535 | #endif | |
1da177e4 LT |
536 | |
537 | /* Software reset, then initialize control registers. */ | |
efcce839 FT |
538 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
539 | SONIC_WRITE(SONIC_DCR, sonic_dcr | (dma_bitmode ? SONIC_DCR_DW : 0)); | |
540 | /* This *must* be written back to in order to restore the | |
541 | * extended programmable output bits, since it may not have been | |
542 | * initialised since the hardware reset. */ | |
543 | SONIC_WRITE(SONIC_DCR2, 0); | |
1da177e4 LT |
544 | |
545 | /* Clear *and* disable interrupts to be on the safe side */ | |
efcce839 FT |
546 | SONIC_WRITE(SONIC_IMR, 0); |
547 | SONIC_WRITE(SONIC_ISR, 0x7fff); | |
1da177e4 LT |
548 | |
549 | /* Now look for the MAC address. */ | |
550 | if (mac_nubus_sonic_ethernet_addr(dev, prom_addr, id) != 0) | |
551 | return -ENODEV; | |
552 | ||
efcce839 FT |
553 | /* Shared init code */ |
554 | return macsonic_init(dev); | |
555 | } | |
556 | ||
d74472f0 | 557 | static int __init mac_sonic_probe(struct platform_device *pdev) |
efcce839 FT |
558 | { |
559 | struct net_device *dev; | |
560 | struct sonic_local *lp; | |
561 | int err; | |
efcce839 FT |
562 | |
563 | dev = alloc_etherdev(sizeof(struct sonic_local)); | |
564 | if (!dev) | |
565 | return -ENOMEM; | |
566 | ||
567 | lp = netdev_priv(dev); | |
d74472f0 FT |
568 | lp->device = &pdev->dev; |
569 | SET_NETDEV_DEV(dev, &pdev->dev); | |
efcce839 FT |
570 | |
571 | /* This will catch fatal stuff like -ENOMEM as well as success */ | |
572 | err = mac_onboard_sonic_probe(dev); | |
573 | if (err == 0) | |
574 | goto found; | |
575 | if (err != -ENODEV) | |
576 | goto out; | |
577 | err = mac_nubus_sonic_probe(dev); | |
578 | if (err) | |
579 | goto out; | |
580 | found: | |
581 | err = register_netdev(dev); | |
582 | if (err) | |
583 | goto out; | |
584 | ||
e174961c | 585 | printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq); |
1da177e4 | 586 | |
efcce839 | 587 | return 0; |
1da177e4 | 588 | |
efcce839 FT |
589 | out: |
590 | free_netdev(dev); | |
1da177e4 | 591 | |
efcce839 FT |
592 | return err; |
593 | } | |
594 | ||
595 | MODULE_DESCRIPTION("Macintosh SONIC ethernet driver"); | |
596 | module_param(sonic_debug, int, 0); | |
1da177e4 LT |
597 | MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)"); |
598 | ||
efcce839 FT |
599 | #include "sonic.c" |
600 | ||
d74472f0 | 601 | static int __devexit mac_sonic_device_remove (struct platform_device *pdev) |
1da177e4 | 602 | { |
d74472f0 | 603 | struct net_device *dev = platform_get_drvdata(pdev); |
efcce839 FT |
604 | struct sonic_local* lp = netdev_priv(dev); |
605 | ||
d74472f0 | 606 | unregister_netdev(dev); |
efcce839 FT |
607 | dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), |
608 | lp->descriptors, lp->descriptors_laddr); | |
d74472f0 | 609 | free_netdev(dev); |
efcce839 | 610 | |
1da177e4 LT |
611 | return 0; |
612 | } | |
613 | ||
3ae5eaec | 614 | static struct platform_driver mac_sonic_driver = { |
efcce839 FT |
615 | .probe = mac_sonic_probe, |
616 | .remove = __devexit_p(mac_sonic_device_remove), | |
3ae5eaec RK |
617 | .driver = { |
618 | .name = mac_sonic_string, | |
619 | }, | |
efcce839 FT |
620 | }; |
621 | ||
efcce839 FT |
622 | static int __init mac_sonic_init_module(void) |
623 | { | |
efcce839 | 624 | int err; |
1da177e4 | 625 | |
3ae5eaec | 626 | if ((err = platform_driver_register(&mac_sonic_driver))) { |
efcce839 FT |
627 | printk(KERN_ERR "Driver registration failed\n"); |
628 | return err; | |
629 | } | |
1da177e4 | 630 | |
09c6518c | 631 | mac_sonic_device = platform_device_alloc(mac_sonic_string, 0); |
d74472f0 | 632 | if (!mac_sonic_device) |
efcce839 | 633 | goto out_unregister; |
1da177e4 | 634 | |
09c6518c RK |
635 | if (platform_device_add(mac_sonic_device)) { |
636 | platform_device_put(mac_sonic_device); | |
efcce839 FT |
637 | mac_sonic_device = NULL; |
638 | } | |
639 | ||
640 | return 0; | |
641 | ||
642 | out_unregister: | |
ded5ca1f | 643 | platform_driver_unregister(&mac_sonic_driver); |
efcce839 FT |
644 | |
645 | return -ENOMEM; | |
646 | } | |
647 | ||
648 | static void __exit mac_sonic_cleanup_module(void) | |
649 | { | |
3ae5eaec | 650 | platform_driver_unregister(&mac_sonic_driver); |
efcce839 FT |
651 | |
652 | if (mac_sonic_device) { | |
653 | platform_device_unregister(mac_sonic_device); | |
654 | mac_sonic_device = NULL; | |
655 | } | |
656 | } | |
657 | ||
658 | module_init(mac_sonic_init_module); | |
659 | module_exit(mac_sonic_cleanup_module); |