igb: Prevent dropped Tx timestamps via work items and interrupts.
[deliverable/linux.git] / drivers / net / ethernet / intel / igb / e1000_defines.h
1 /*******************************************************************************
2
3 Intel(R) Gigabit Ethernet Linux driver
4 Copyright(c) 2007-2012 Intel Corporation.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26 *******************************************************************************/
27
28 #ifndef _E1000_DEFINES_H_
29 #define _E1000_DEFINES_H_
30
31 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
32 #define REQ_TX_DESCRIPTOR_MULTIPLE 8
33 #define REQ_RX_DESCRIPTOR_MULTIPLE 8
34
35 /* Definitions for power management and wakeup registers */
36 /* Wake Up Control */
37 #define E1000_WUC_PME_EN 0x00000002 /* PME Enable */
38
39 /* Wake Up Filter Control */
40 #define E1000_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
41 #define E1000_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */
42 #define E1000_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */
43 #define E1000_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */
44 #define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */
45
46 /* Extended Device Control */
47 #define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Defineable Pin 3 */
48 /* Physical Func Reset Done Indication */
49 #define E1000_CTRL_EXT_PFRSTD 0x00004000
50 #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
51 #define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000
52 #define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000
53 #define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000
54 #define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000
55 #define E1000_CTRL_EXT_EIAME 0x01000000
56 #define E1000_CTRL_EXT_IRCA 0x00000001
57 /* Interrupt delay cancellation */
58 /* Driver loaded bit for FW */
59 #define E1000_CTRL_EXT_DRV_LOAD 0x10000000
60 /* Interrupt acknowledge Auto-mask */
61 /* Clear Interrupt timers after IMS clear */
62 /* packet buffer parity error detection enabled */
63 /* descriptor FIFO parity error detection enable */
64 #define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */
65 #define E1000_I2CCMD_REG_ADDR_SHIFT 16
66 #define E1000_I2CCMD_PHY_ADDR_SHIFT 24
67 #define E1000_I2CCMD_OPCODE_READ 0x08000000
68 #define E1000_I2CCMD_OPCODE_WRITE 0x00000000
69 #define E1000_I2CCMD_READY 0x20000000
70 #define E1000_I2CCMD_ERROR 0x80000000
71 #define E1000_MAX_SGMII_PHY_REG_ADDR 255
72 #define E1000_I2CCMD_PHY_TIMEOUT 200
73 #define E1000_IVAR_VALID 0x80
74 #define E1000_GPIE_NSICR 0x00000001
75 #define E1000_GPIE_MSIX_MODE 0x00000010
76 #define E1000_GPIE_EIAME 0x40000000
77 #define E1000_GPIE_PBA 0x80000000
78
79 /* Receive Descriptor bit definitions */
80 #define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */
81 #define E1000_RXD_STAT_EOP 0x02 /* End of Packet */
82 #define E1000_RXD_STAT_IXSM 0x04 /* Ignore checksum */
83 #define E1000_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */
84 #define E1000_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */
85 #define E1000_RXD_STAT_TCPCS 0x20 /* TCP xsum calculated */
86 #define E1000_RXD_STAT_TS 0x10000 /* Pkt was time stamped */
87
88 #define E1000_RXDEXT_STATERR_LB 0x00040000
89 #define E1000_RXDEXT_STATERR_CE 0x01000000
90 #define E1000_RXDEXT_STATERR_SE 0x02000000
91 #define E1000_RXDEXT_STATERR_SEQ 0x04000000
92 #define E1000_RXDEXT_STATERR_CXE 0x10000000
93 #define E1000_RXDEXT_STATERR_TCPE 0x20000000
94 #define E1000_RXDEXT_STATERR_IPE 0x40000000
95 #define E1000_RXDEXT_STATERR_RXE 0x80000000
96
97 /* Same mask, but for extended and packet split descriptors */
98 #define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \
99 E1000_RXDEXT_STATERR_CE | \
100 E1000_RXDEXT_STATERR_SE | \
101 E1000_RXDEXT_STATERR_SEQ | \
102 E1000_RXDEXT_STATERR_CXE | \
103 E1000_RXDEXT_STATERR_RXE)
104
105 #define E1000_MRQC_RSS_FIELD_IPV4_TCP 0x00010000
106 #define E1000_MRQC_RSS_FIELD_IPV4 0x00020000
107 #define E1000_MRQC_RSS_FIELD_IPV6_TCP_EX 0x00040000
108 #define E1000_MRQC_RSS_FIELD_IPV6 0x00100000
109 #define E1000_MRQC_RSS_FIELD_IPV6_TCP 0x00200000
110
111
112 /* Management Control */
113 #define E1000_MANC_SMBUS_EN 0x00000001 /* SMBus Enabled - RO */
114 #define E1000_MANC_ASF_EN 0x00000002 /* ASF Enabled - RO */
115 #define E1000_MANC_EN_BMC2OS 0x10000000 /* OSBMC is Enabled or not */
116 /* Enable Neighbor Discovery Filtering */
117 #define E1000_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
118 #define E1000_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */
119 /* Enable MAC address filtering */
120 #define E1000_MANC_EN_MAC_ADDR_FILTER 0x00100000
121
122 /* Receive Control */
123 #define E1000_RCTL_EN 0x00000002 /* enable */
124 #define E1000_RCTL_SBP 0x00000004 /* store bad packet */
125 #define E1000_RCTL_UPE 0x00000008 /* unicast promiscuous enable */
126 #define E1000_RCTL_MPE 0x00000010 /* multicast promiscuous enab */
127 #define E1000_RCTL_LPE 0x00000020 /* long packet enable */
128 #define E1000_RCTL_LBM_MAC 0x00000040 /* MAC loopback mode */
129 #define E1000_RCTL_LBM_TCVR 0x000000C0 /* tcvr loopback mode */
130 #define E1000_RCTL_RDMTS_HALF 0x00000000 /* rx desc min threshold size */
131 #define E1000_RCTL_MO_SHIFT 12 /* multicast offset shift */
132 #define E1000_RCTL_BAM 0x00008000 /* broadcast enable */
133 #define E1000_RCTL_SZ_512 0x00020000 /* rx buffer size 512 */
134 #define E1000_RCTL_SZ_256 0x00030000 /* rx buffer size 256 */
135 #define E1000_RCTL_VFE 0x00040000 /* vlan filter enable */
136 #define E1000_RCTL_CFIEN 0x00080000 /* canonical form enable */
137 #define E1000_RCTL_DPF 0x00400000 /* Discard Pause Frames */
138 #define E1000_RCTL_PMCF 0x00800000 /* pass MAC control frames */
139 #define E1000_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */
140
141 /*
142 * Use byte values for the following shift parameters
143 * Usage:
144 * psrctl |= (((ROUNDUP(value0, 128) >> E1000_PSRCTL_BSIZE0_SHIFT) &
145 * E1000_PSRCTL_BSIZE0_MASK) |
146 * ((ROUNDUP(value1, 1024) >> E1000_PSRCTL_BSIZE1_SHIFT) &
147 * E1000_PSRCTL_BSIZE1_MASK) |
148 * ((ROUNDUP(value2, 1024) << E1000_PSRCTL_BSIZE2_SHIFT) &
149 * E1000_PSRCTL_BSIZE2_MASK) |
150 * ((ROUNDUP(value3, 1024) << E1000_PSRCTL_BSIZE3_SHIFT) |;
151 * E1000_PSRCTL_BSIZE3_MASK))
152 * where value0 = [128..16256], default=256
153 * value1 = [1024..64512], default=4096
154 * value2 = [0..64512], default=4096
155 * value3 = [0..64512], default=0
156 */
157
158 #define E1000_PSRCTL_BSIZE0_MASK 0x0000007F
159 #define E1000_PSRCTL_BSIZE1_MASK 0x00003F00
160 #define E1000_PSRCTL_BSIZE2_MASK 0x003F0000
161 #define E1000_PSRCTL_BSIZE3_MASK 0x3F000000
162
163 #define E1000_PSRCTL_BSIZE0_SHIFT 7 /* Shift _right_ 7 */
164 #define E1000_PSRCTL_BSIZE1_SHIFT 2 /* Shift _right_ 2 */
165 #define E1000_PSRCTL_BSIZE2_SHIFT 6 /* Shift _left_ 6 */
166 #define E1000_PSRCTL_BSIZE3_SHIFT 14 /* Shift _left_ 14 */
167
168 /* SWFW_SYNC Definitions */
169 #define E1000_SWFW_EEP_SM 0x1
170 #define E1000_SWFW_PHY0_SM 0x2
171 #define E1000_SWFW_PHY1_SM 0x4
172 #define E1000_SWFW_PHY2_SM 0x20
173 #define E1000_SWFW_PHY3_SM 0x40
174
175 /* FACTPS Definitions */
176 /* Device Control */
177 #define E1000_CTRL_FD 0x00000001 /* Full duplex.0=half; 1=full */
178 #define E1000_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master requests */
179 #define E1000_CTRL_LRST 0x00000008 /* Link reset. 0=normal,1=reset */
180 #define E1000_CTRL_ASDE 0x00000020 /* Auto-speed detect enable */
181 #define E1000_CTRL_SLU 0x00000040 /* Set link up (Force Link) */
182 #define E1000_CTRL_ILOS 0x00000080 /* Invert Loss-Of Signal */
183 #define E1000_CTRL_SPD_SEL 0x00000300 /* Speed Select Mask */
184 #define E1000_CTRL_SPD_100 0x00000100 /* Force 100Mb */
185 #define E1000_CTRL_SPD_1000 0x00000200 /* Force 1Gb */
186 #define E1000_CTRL_FRCSPD 0x00000800 /* Force Speed */
187 #define E1000_CTRL_FRCDPX 0x00001000 /* Force Duplex */
188 /* Defined polarity of Dock/Undock indication in SDP[0] */
189 /* Reset both PHY ports, through PHYRST_N pin */
190 /* enable link status from external LINK_0 and LINK_1 pins */
191 #define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
192 #define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
193 #define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */
194 #define E1000_CTRL_RST 0x04000000 /* Global reset */
195 #define E1000_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
196 #define E1000_CTRL_TFCE 0x10000000 /* Transmit flow control enable */
197 #define E1000_CTRL_VME 0x40000000 /* IEEE VLAN mode enable */
198 #define E1000_CTRL_PHY_RST 0x80000000 /* PHY Reset */
199 /* Initiate an interrupt to manageability engine */
200 #define E1000_CTRL_I2C_ENA 0x02000000 /* I2C enable */
201
202 /* Bit definitions for the Management Data IO (MDIO) and Management Data
203 * Clock (MDC) pins in the Device Control Register.
204 */
205
206 #define E1000_CONNSW_ENRGSRC 0x4
207 #define E1000_PCS_CFG_PCS_EN 8
208 #define E1000_PCS_LCTL_FLV_LINK_UP 1
209 #define E1000_PCS_LCTL_FSV_100 2
210 #define E1000_PCS_LCTL_FSV_1000 4
211 #define E1000_PCS_LCTL_FDV_FULL 8
212 #define E1000_PCS_LCTL_FSD 0x10
213 #define E1000_PCS_LCTL_FORCE_LINK 0x20
214 #define E1000_PCS_LCTL_FORCE_FCTRL 0x80
215 #define E1000_PCS_LCTL_AN_ENABLE 0x10000
216 #define E1000_PCS_LCTL_AN_RESTART 0x20000
217 #define E1000_PCS_LCTL_AN_TIMEOUT 0x40000
218 #define E1000_ENABLE_SERDES_LOOPBACK 0x0410
219
220 #define E1000_PCS_LSTS_LINK_OK 1
221 #define E1000_PCS_LSTS_SPEED_100 2
222 #define E1000_PCS_LSTS_SPEED_1000 4
223 #define E1000_PCS_LSTS_DUPLEX_FULL 8
224 #define E1000_PCS_LSTS_SYNK_OK 0x10
225
226 /* Device Status */
227 #define E1000_STATUS_FD 0x00000001 /* Full duplex.0=half,1=full */
228 #define E1000_STATUS_LU 0x00000002 /* Link up.0=no,1=link */
229 #define E1000_STATUS_FUNC_MASK 0x0000000C /* PCI Function Mask */
230 #define E1000_STATUS_FUNC_SHIFT 2
231 #define E1000_STATUS_FUNC_1 0x00000004 /* Function 1 */
232 #define E1000_STATUS_TXOFF 0x00000010 /* transmission paused */
233 #define E1000_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */
234 #define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */
235 /* Change in Dock/Undock state. Clear on write '0'. */
236 /* Status of Master requests. */
237 #define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000
238 /* BMC external code execution disabled */
239
240 /* Constants used to intrepret the masked PCI-X bus speed. */
241
242 #define SPEED_10 10
243 #define SPEED_100 100
244 #define SPEED_1000 1000
245 #define HALF_DUPLEX 1
246 #define FULL_DUPLEX 2
247
248
249 #define ADVERTISE_10_HALF 0x0001
250 #define ADVERTISE_10_FULL 0x0002
251 #define ADVERTISE_100_HALF 0x0004
252 #define ADVERTISE_100_FULL 0x0008
253 #define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */
254 #define ADVERTISE_1000_FULL 0x0020
255
256 /* 1000/H is not supported, nor spec-compliant. */
257 #define E1000_ALL_SPEED_DUPLEX (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
258 ADVERTISE_100_HALF | ADVERTISE_100_FULL | \
259 ADVERTISE_1000_FULL)
260 #define E1000_ALL_NOT_GIG (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
261 ADVERTISE_100_HALF | ADVERTISE_100_FULL)
262 #define E1000_ALL_100_SPEED (ADVERTISE_100_HALF | ADVERTISE_100_FULL)
263 #define E1000_ALL_10_SPEED (ADVERTISE_10_HALF | ADVERTISE_10_FULL)
264 #define E1000_ALL_FULL_DUPLEX (ADVERTISE_10_FULL | ADVERTISE_100_FULL | \
265 ADVERTISE_1000_FULL)
266 #define E1000_ALL_HALF_DUPLEX (ADVERTISE_10_HALF | ADVERTISE_100_HALF)
267
268 #define AUTONEG_ADVERTISE_SPEED_DEFAULT E1000_ALL_SPEED_DUPLEX
269
270 /* LED Control */
271 #define E1000_LEDCTL_LED0_MODE_SHIFT 0
272 #define E1000_LEDCTL_LED0_BLINK 0x00000080
273
274 #define E1000_LEDCTL_MODE_LED_ON 0xE
275 #define E1000_LEDCTL_MODE_LED_OFF 0xF
276
277 /* Transmit Descriptor bit definitions */
278 #define E1000_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */
279 #define E1000_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */
280 #define E1000_TXD_CMD_EOP 0x01000000 /* End of Packet */
281 #define E1000_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
282 #define E1000_TXD_CMD_RS 0x08000000 /* Report Status */
283 #define E1000_TXD_CMD_DEXT 0x20000000 /* Descriptor extension (0 = legacy) */
284 #define E1000_TXD_STAT_DD 0x00000001 /* Descriptor Done */
285 /* Extended desc bits for Linksec and timesync */
286
287 /* Transmit Control */
288 #define E1000_TCTL_EN 0x00000002 /* enable tx */
289 #define E1000_TCTL_PSP 0x00000008 /* pad short packets */
290 #define E1000_TCTL_CT 0x00000ff0 /* collision threshold */
291 #define E1000_TCTL_COLD 0x003ff000 /* collision distance */
292 #define E1000_TCTL_RTLC 0x01000000 /* Re-transmit on late collision */
293
294 /* DMA Coalescing register fields */
295 #define E1000_DMACR_DMACWT_MASK 0x00003FFF /* DMA Coalescing
296 * Watchdog Timer */
297 #define E1000_DMACR_DMACTHR_MASK 0x00FF0000 /* DMA Coalescing Receive
298 * Threshold */
299 #define E1000_DMACR_DMACTHR_SHIFT 16
300 #define E1000_DMACR_DMAC_LX_MASK 0x30000000 /* Lx when no PCIe
301 * transactions */
302 #define E1000_DMACR_DMAC_LX_SHIFT 28
303 #define E1000_DMACR_DMAC_EN 0x80000000 /* Enable DMA Coalescing */
304 /* DMA Coalescing BMC-to-OS Watchdog Enable */
305 #define E1000_DMACR_DC_BMC2OSW_EN 0x00008000
306
307 #define E1000_DMCTXTH_DMCTTHR_MASK 0x00000FFF /* DMA Coalescing Transmit
308 * Threshold */
309
310 #define E1000_DMCTLX_TTLX_MASK 0x00000FFF /* Time to LX request */
311
312 #define E1000_DMCRTRH_UTRESH_MASK 0x0007FFFF /* Receive Traffic Rate
313 * Threshold */
314 #define E1000_DMCRTRH_LRPRCW 0x80000000 /* Rcv packet rate in
315 * current window */
316
317 #define E1000_DMCCNT_CCOUNT_MASK 0x01FFFFFF /* DMA Coal Rcv Traffic
318 * Current Cnt */
319
320 #define E1000_FCRTC_RTH_COAL_MASK 0x0003FFF0 /* Flow ctrl Rcv Threshold
321 * High val */
322 #define E1000_FCRTC_RTH_COAL_SHIFT 4
323 #define E1000_PCIEMISC_LX_DECISION 0x00000080 /* Lx power decision */
324
325 /* SerDes Control */
326 #define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400
327
328 /* Receive Checksum Control */
329 #define E1000_RXCSUM_IPOFL 0x00000100 /* IPv4 checksum offload */
330 #define E1000_RXCSUM_TUOFL 0x00000200 /* TCP / UDP checksum offload */
331 #define E1000_RXCSUM_CRCOFL 0x00000800 /* CRC32 offload enable */
332 #define E1000_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */
333
334 /* Header split receive */
335 #define E1000_RFCTL_LEF 0x00040000
336
337 /* Collision related configuration parameters */
338 #define E1000_COLLISION_THRESHOLD 15
339 #define E1000_CT_SHIFT 4
340 #define E1000_COLLISION_DISTANCE 63
341 #define E1000_COLD_SHIFT 12
342
343 /* Ethertype field values */
344 #define ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.3ac packet */
345
346 #define MAX_JUMBO_FRAME_SIZE 0x3F00
347
348 /* PBA constants */
349 #define E1000_PBA_34K 0x0022
350 #define E1000_PBA_64K 0x0040 /* 64KB */
351
352 /* SW Semaphore Register */
353 #define E1000_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */
354 #define E1000_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */
355
356 /* Interrupt Cause Read */
357 #define E1000_ICR_TXDW 0x00000001 /* Transmit desc written back */
358 #define E1000_ICR_LSC 0x00000004 /* Link Status Change */
359 #define E1000_ICR_RXSEQ 0x00000008 /* rx sequence error */
360 #define E1000_ICR_RXDMT0 0x00000010 /* rx desc min. threshold (0) */
361 #define E1000_ICR_RXT0 0x00000080 /* rx timer intr (ring 0) */
362 #define E1000_ICR_VMMB 0x00000100 /* VM MB event */
363 #define E1000_ICR_TS 0x00080000 /* Time Sync Interrupt */
364 #define E1000_ICR_DRSTA 0x40000000 /* Device Reset Asserted */
365 /* If this bit asserted, the driver should claim the interrupt */
366 #define E1000_ICR_INT_ASSERTED 0x80000000
367 /* LAN connected device generates an interrupt */
368 #define E1000_ICR_DOUTSYNC 0x10000000 /* NIC DMA out of sync */
369
370 /* Extended Interrupt Cause Read */
371 #define E1000_EICR_RX_QUEUE0 0x00000001 /* Rx Queue 0 Interrupt */
372 #define E1000_EICR_RX_QUEUE1 0x00000002 /* Rx Queue 1 Interrupt */
373 #define E1000_EICR_RX_QUEUE2 0x00000004 /* Rx Queue 2 Interrupt */
374 #define E1000_EICR_RX_QUEUE3 0x00000008 /* Rx Queue 3 Interrupt */
375 #define E1000_EICR_TX_QUEUE0 0x00000100 /* Tx Queue 0 Interrupt */
376 #define E1000_EICR_TX_QUEUE1 0x00000200 /* Tx Queue 1 Interrupt */
377 #define E1000_EICR_TX_QUEUE2 0x00000400 /* Tx Queue 2 Interrupt */
378 #define E1000_EICR_TX_QUEUE3 0x00000800 /* Tx Queue 3 Interrupt */
379 #define E1000_EICR_OTHER 0x80000000 /* Interrupt Cause Active */
380 /* TCP Timer */
381
382 /*
383 * This defines the bits that are set in the Interrupt Mask
384 * Set/Read Register. Each bit is documented below:
385 * o RXT0 = Receiver Timer Interrupt (ring 0)
386 * o TXDW = Transmit Descriptor Written Back
387 * o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
388 * o RXSEQ = Receive Sequence Error
389 * o LSC = Link Status Change
390 */
391 #define IMS_ENABLE_MASK ( \
392 E1000_IMS_RXT0 | \
393 E1000_IMS_TXDW | \
394 E1000_IMS_RXDMT0 | \
395 E1000_IMS_RXSEQ | \
396 E1000_IMS_LSC | \
397 E1000_IMS_DOUTSYNC)
398
399 /* Interrupt Mask Set */
400 #define E1000_IMS_TXDW E1000_ICR_TXDW /* Transmit desc written back */
401 #define E1000_IMS_LSC E1000_ICR_LSC /* Link Status Change */
402 #define E1000_IMS_VMMB E1000_ICR_VMMB /* Mail box activity */
403 #define E1000_IMS_TS E1000_ICR_TS /* Time Sync Interrupt */
404 #define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* rx sequence error */
405 #define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* rx desc min. threshold */
406 #define E1000_IMS_RXT0 E1000_ICR_RXT0 /* rx timer intr */
407 #define E1000_IMS_DRSTA E1000_ICR_DRSTA /* Device Reset Asserted */
408 #define E1000_IMS_DOUTSYNC E1000_ICR_DOUTSYNC /* NIC DMA out of sync */
409
410 /* Extended Interrupt Mask Set */
411 #define E1000_EIMS_OTHER E1000_EICR_OTHER /* Interrupt Cause Active */
412
413 /* Interrupt Cause Set */
414 #define E1000_ICS_LSC E1000_ICR_LSC /* Link Status Change */
415 #define E1000_ICS_RXDMT0 E1000_ICR_RXDMT0 /* rx desc min. threshold */
416 #define E1000_ICS_DRSTA E1000_ICR_DRSTA /* Device Reset Aserted */
417
418 /* Extended Interrupt Cause Set */
419 /* E1000_EITR_CNT_IGNR is only for 82576 and newer */
420 #define E1000_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */
421
422
423 /* Transmit Descriptor Control */
424 /* Enable the counting of descriptors still to be processed. */
425
426 /* Flow Control Constants */
427 #define FLOW_CONTROL_ADDRESS_LOW 0x00C28001
428 #define FLOW_CONTROL_ADDRESS_HIGH 0x00000100
429 #define FLOW_CONTROL_TYPE 0x8808
430
431 /* 802.1q VLAN Packet Size */
432 #define VLAN_TAG_SIZE 4 /* 802.3ac tag (not DMA'd) */
433 #define E1000_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */
434
435 /* Receive Address */
436 /*
437 * Number of high/low register pairs in the RAR. The RAR (Receive Address
438 * Registers) holds the directed and multicast addresses that we monitor.
439 * Technically, we have 16 spots. However, we reserve one of these spots
440 * (RAR[15]) for our directed address used by controllers with
441 * manageability enabled, allowing us room for 15 multicast addresses.
442 */
443 #define E1000_RAH_AV 0x80000000 /* Receive descriptor valid */
444 #define E1000_RAL_MAC_ADDR_LEN 4
445 #define E1000_RAH_MAC_ADDR_LEN 2
446 #define E1000_RAH_POOL_MASK 0x03FC0000
447 #define E1000_RAH_POOL_1 0x00040000
448
449 /* Error Codes */
450 #define E1000_SUCCESS 0
451 #define E1000_ERR_NVM 1
452 #define E1000_ERR_PHY 2
453 #define E1000_ERR_CONFIG 3
454 #define E1000_ERR_PARAM 4
455 #define E1000_ERR_MAC_INIT 5
456 #define E1000_ERR_RESET 9
457 #define E1000_ERR_MASTER_REQUESTS_PENDING 10
458 #define E1000_BLK_PHY_RESET 12
459 #define E1000_ERR_SWFW_SYNC 13
460 #define E1000_NOT_IMPLEMENTED 14
461 #define E1000_ERR_MBX 15
462 #define E1000_ERR_INVALID_ARGUMENT 16
463 #define E1000_ERR_NO_SPACE 17
464 #define E1000_ERR_NVM_PBA_SECTION 18
465 #define E1000_ERR_INVM_VALUE_NOT_FOUND 19
466
467 /* Loop limit on how long we wait for auto-negotiation to complete */
468 #define COPPER_LINK_UP_LIMIT 10
469 #define PHY_AUTO_NEG_LIMIT 45
470 #define PHY_FORCE_LIMIT 20
471 /* Number of 100 microseconds we wait for PCI Express master disable */
472 #define MASTER_DISABLE_TIMEOUT 800
473 /* Number of milliseconds we wait for PHY configuration done after MAC reset */
474 #define PHY_CFG_TIMEOUT 100
475 /* Number of 2 milliseconds we wait for acquiring MDIO ownership. */
476 /* Number of milliseconds for NVM auto read done after MAC reset. */
477 #define AUTO_READ_DONE_TIMEOUT 10
478
479 /* Flow Control */
480 #define E1000_FCRTL_XONE 0x80000000 /* Enable XON frame transmission */
481
482 #define E1000_TSYNCTXCTL_VALID 0x00000001 /* tx timestamp valid */
483 #define E1000_TSYNCTXCTL_ENABLED 0x00000010 /* enable tx timestampping */
484
485 #define E1000_TSYNCRXCTL_VALID 0x00000001 /* rx timestamp valid */
486 #define E1000_TSYNCRXCTL_TYPE_MASK 0x0000000E /* rx type mask */
487 #define E1000_TSYNCRXCTL_TYPE_L2_V2 0x00
488 #define E1000_TSYNCRXCTL_TYPE_L4_V1 0x02
489 #define E1000_TSYNCRXCTL_TYPE_L2_L4_V2 0x04
490 #define E1000_TSYNCRXCTL_TYPE_ALL 0x08
491 #define E1000_TSYNCRXCTL_TYPE_EVENT_V2 0x0A
492 #define E1000_TSYNCRXCTL_ENABLED 0x00000010 /* enable rx timestampping */
493
494 #define E1000_TSYNCRXCFG_PTP_V1_CTRLT_MASK 0x000000FF
495 #define E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE 0x00
496 #define E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE 0x01
497 #define E1000_TSYNCRXCFG_PTP_V1_FOLLOWUP_MESSAGE 0x02
498 #define E1000_TSYNCRXCFG_PTP_V1_DELAY_RESP_MESSAGE 0x03
499 #define E1000_TSYNCRXCFG_PTP_V1_MANAGEMENT_MESSAGE 0x04
500
501 #define E1000_TSYNCRXCFG_PTP_V2_MSGID_MASK 0x00000F00
502 #define E1000_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE 0x0000
503 #define E1000_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE 0x0100
504 #define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_REQ_MESSAGE 0x0200
505 #define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_RESP_MESSAGE 0x0300
506 #define E1000_TSYNCRXCFG_PTP_V2_FOLLOWUP_MESSAGE 0x0800
507 #define E1000_TSYNCRXCFG_PTP_V2_DELAY_RESP_MESSAGE 0x0900
508 #define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_FOLLOWUP_MESSAGE 0x0A00
509 #define E1000_TSYNCRXCFG_PTP_V2_ANNOUNCE_MESSAGE 0x0B00
510 #define E1000_TSYNCRXCFG_PTP_V2_SIGNALLING_MESSAGE 0x0C00
511 #define E1000_TSYNCRXCFG_PTP_V2_MANAGEMENT_MESSAGE 0x0D00
512
513 #define E1000_TIMINCA_16NS_SHIFT 24
514
515 #define E1000_TSICR_TXTS 0x00000002
516 #define E1000_TSIM_TXTS 0x00000002
517
518 #define E1000_MDICNFG_EXT_MDIO 0x80000000 /* MDI ext/int destination */
519 #define E1000_MDICNFG_COM_MDIO 0x40000000 /* MDI shared w/ lan 0 */
520 #define E1000_MDICNFG_PHY_MASK 0x03E00000
521 #define E1000_MDICNFG_PHY_SHIFT 21
522
523 /* PCI Express Control */
524 #define E1000_GCR_CMPL_TMOUT_MASK 0x0000F000
525 #define E1000_GCR_CMPL_TMOUT_10ms 0x00001000
526 #define E1000_GCR_CMPL_TMOUT_RESEND 0x00010000
527 #define E1000_GCR_CAP_VER2 0x00040000
528
529 /* mPHY Address Control and Data Registers */
530 #define E1000_MPHY_ADDR_CTL 0x0024 /* mPHY Address Control Register */
531 #define E1000_MPHY_ADDR_CTL_OFFSET_MASK 0xFFFF0000
532 #define E1000_MPHY_DATA 0x0E10 /* mPHY Data Register */
533
534 /* mPHY PCS CLK Register */
535 #define E1000_MPHY_PCS_CLK_REG_OFFSET 0x0004 /* mPHY PCS CLK AFE CSR Offset */
536 /* mPHY Near End Digital Loopback Override Bit */
537 #define E1000_MPHY_PCS_CLK_REG_DIGINELBEN 0x10
538
539 /* PHY Control Register */
540 #define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */
541 #define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */
542 #define MII_CR_POWER_DOWN 0x0800 /* Power down */
543 #define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */
544 #define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
545 #define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
546 #define MII_CR_SPEED_1000 0x0040
547 #define MII_CR_SPEED_100 0x2000
548 #define MII_CR_SPEED_10 0x0000
549
550 /* PHY Status Register */
551 #define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */
552 #define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */
553
554 /* Autoneg Advertisement Register */
555 #define NWAY_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */
556 #define NWAY_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */
557 #define NWAY_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */
558 #define NWAY_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */
559 #define NWAY_AR_PAUSE 0x0400 /* Pause operation desired */
560 #define NWAY_AR_ASM_DIR 0x0800 /* Asymmetric Pause Direction bit */
561
562 /* Link Partner Ability Register (Base Page) */
563 #define NWAY_LPAR_PAUSE 0x0400 /* LP Pause operation desired */
564 #define NWAY_LPAR_ASM_DIR 0x0800 /* LP Asymmetric Pause Direction bit */
565
566 /* Autoneg Expansion Register */
567
568 /* 1000BASE-T Control Register */
569 #define CR_1000T_HD_CAPS 0x0100 /* Advertise 1000T HD capability */
570 #define CR_1000T_FD_CAPS 0x0200 /* Advertise 1000T FD capability */
571 #define CR_1000T_MS_VALUE 0x0800 /* 1=Configure PHY as Master */
572 /* 0=Configure PHY as Slave */
573 #define CR_1000T_MS_ENABLE 0x1000 /* 1=Master/Slave manual config value */
574 /* 0=Automatic Master/Slave config */
575
576 /* 1000BASE-T Status Register */
577 #define SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */
578 #define SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */
579
580
581 /* PHY 1000 MII Register/Bit Definitions */
582 /* PHY Registers defined by IEEE */
583 #define PHY_CONTROL 0x00 /* Control Register */
584 #define PHY_STATUS 0x01 /* Status Register */
585 #define PHY_ID1 0x02 /* Phy Id Reg (word 1) */
586 #define PHY_ID2 0x03 /* Phy Id Reg (word 2) */
587 #define PHY_AUTONEG_ADV 0x04 /* Autoneg Advertisement */
588 #define PHY_LP_ABILITY 0x05 /* Link Partner Ability (Base Page) */
589 #define PHY_1000T_CTRL 0x09 /* 1000Base-T Control Reg */
590 #define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */
591
592 /* NVM Control */
593 #define E1000_EECD_SK 0x00000001 /* NVM Clock */
594 #define E1000_EECD_CS 0x00000002 /* NVM Chip Select */
595 #define E1000_EECD_DI 0x00000004 /* NVM Data In */
596 #define E1000_EECD_DO 0x00000008 /* NVM Data Out */
597 #define E1000_EECD_REQ 0x00000040 /* NVM Access Request */
598 #define E1000_EECD_GNT 0x00000080 /* NVM Access Grant */
599 #define E1000_EECD_PRES 0x00000100 /* NVM Present */
600 /* NVM Addressing bits based on type 0=small, 1=large */
601 #define E1000_EECD_ADDR_BITS 0x00000400
602 #define E1000_NVM_GRANT_ATTEMPTS 1000 /* NVM # attempts to gain grant */
603 #define E1000_EECD_AUTO_RD 0x00000200 /* NVM Auto Read done */
604 #define E1000_EECD_SIZE_EX_MASK 0x00007800 /* NVM Size */
605 #define E1000_EECD_SIZE_EX_SHIFT 11
606 #define E1000_EECD_FLUPD_I210 0x00800000 /* Update FLASH */
607 #define E1000_EECD_FLUDONE_I210 0x04000000 /* Update FLASH done*/
608 #define E1000_FLUDONE_ATTEMPTS 20000
609 #define E1000_EERD_EEWR_MAX_COUNT 512 /* buffered EEPROM words rw */
610 #define E1000_I210_FIFO_SEL_RX 0x00
611 #define E1000_I210_FIFO_SEL_TX_QAV(_i) (0x02 + (_i))
612 #define E1000_I210_FIFO_SEL_TX_LEGACY E1000_I210_FIFO_SEL_TX_QAV(0)
613 #define E1000_I210_FIFO_SEL_BMC2OS_TX 0x06
614 #define E1000_I210_FIFO_SEL_BMC2OS_RX 0x01
615 #define E1000_EECD_FLUPD_I210 0x00800000 /* Update FLASH */
616 #define E1000_EECD_FLUDONE_I210 0x04000000 /* Update FLASH done*/
617 #define E1000_FLUDONE_ATTEMPTS 20000
618 #define E1000_EERD_EEWR_MAX_COUNT 512 /* buffered EEPROM words rw */
619 #define E1000_I210_FIFO_SEL_RX 0x00
620 #define E1000_I210_FIFO_SEL_TX_QAV(_i) (0x02 + (_i))
621 #define E1000_I210_FIFO_SEL_TX_LEGACY E1000_I210_FIFO_SEL_TX_QAV(0)
622 #define E1000_I210_FIFO_SEL_BMC2OS_TX 0x06
623 #define E1000_I210_FIFO_SEL_BMC2OS_RX 0x01
624
625
626 /* Offset to data in NVM read/write registers */
627 #define E1000_NVM_RW_REG_DATA 16
628 #define E1000_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */
629 #define E1000_NVM_RW_REG_START 1 /* Start operation */
630 #define E1000_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */
631 #define E1000_NVM_POLL_READ 0 /* Flag for polling for read complete */
632
633 /* NVM Word Offsets */
634 #define NVM_COMPAT 0x0003
635 #define NVM_ID_LED_SETTINGS 0x0004 /* SERDES output amplitude */
636 #define NVM_INIT_CONTROL2_REG 0x000F
637 #define NVM_INIT_CONTROL3_PORT_B 0x0014
638 #define NVM_INIT_CONTROL3_PORT_A 0x0024
639 #define NVM_ALT_MAC_ADDR_PTR 0x0037
640 #define NVM_CHECKSUM_REG 0x003F
641 #define NVM_COMPATIBILITY_REG_3 0x0003
642 #define NVM_COMPATIBILITY_BIT_MASK 0x8000
643 #define NVM_MAC_ADDR 0x0000
644 #define NVM_SUB_DEV_ID 0x000B
645 #define NVM_SUB_VEN_ID 0x000C
646 #define NVM_DEV_ID 0x000D
647 #define NVM_VEN_ID 0x000E
648 #define NVM_INIT_CTRL_2 0x000F
649 #define NVM_INIT_CTRL_4 0x0013
650 #define NVM_LED_1_CFG 0x001C
651 #define NVM_LED_0_2_CFG 0x001F
652
653
654 #define E1000_NVM_CFG_DONE_PORT_0 0x040000 /* MNG config cycle done */
655 #define E1000_NVM_CFG_DONE_PORT_1 0x080000 /* ...for second port */
656 #define E1000_NVM_CFG_DONE_PORT_2 0x100000 /* ...for third port */
657 #define E1000_NVM_CFG_DONE_PORT_3 0x200000 /* ...for fourth port */
658
659 #define NVM_82580_LAN_FUNC_OFFSET(a) (a ? (0x40 + (0x40 * a)) : 0)
660
661 /* Mask bits for fields in Word 0x24 of the NVM */
662 #define NVM_WORD24_COM_MDIO 0x0008 /* MDIO interface shared */
663 #define NVM_WORD24_EXT_MDIO 0x0004 /* MDIO accesses routed external */
664
665 /* Mask bits for fields in Word 0x0f of the NVM */
666 #define NVM_WORD0F_PAUSE_MASK 0x3000
667 #define NVM_WORD0F_ASM_DIR 0x2000
668
669 /* Mask bits for fields in Word 0x1a of the NVM */
670
671 /* length of string needed to store part num */
672 #define E1000_PBANUM_LENGTH 11
673
674 /* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
675 #define NVM_SUM 0xBABA
676
677 #define NVM_PBA_OFFSET_0 8
678 #define NVM_PBA_OFFSET_1 9
679 #define NVM_RESERVED_WORD 0xFFFF
680 #define NVM_PBA_PTR_GUARD 0xFAFA
681 #define NVM_WORD_SIZE_BASE_SHIFT 6
682
683 /* NVM Commands - Microwire */
684
685 /* NVM Commands - SPI */
686 #define NVM_MAX_RETRY_SPI 5000 /* Max wait of 5ms, for RDY signal */
687 #define NVM_WRITE_OPCODE_SPI 0x02 /* NVM write opcode */
688 #define NVM_READ_OPCODE_SPI 0x03 /* NVM read opcode */
689 #define NVM_A8_OPCODE_SPI 0x08 /* opcode bit-3 = address bit-8 */
690 #define NVM_WREN_OPCODE_SPI 0x06 /* NVM set Write Enable latch */
691 #define NVM_RDSR_OPCODE_SPI 0x05 /* NVM read Status register */
692
693 /* SPI NVM Status Register */
694 #define NVM_STATUS_RDY_SPI 0x01
695
696 /* Word definitions for ID LED Settings */
697 #define ID_LED_RESERVED_0000 0x0000
698 #define ID_LED_RESERVED_FFFF 0xFFFF
699 #define ID_LED_DEFAULT ((ID_LED_OFF1_ON2 << 12) | \
700 (ID_LED_OFF1_OFF2 << 8) | \
701 (ID_LED_DEF1_DEF2 << 4) | \
702 (ID_LED_DEF1_DEF2))
703 #define ID_LED_DEF1_DEF2 0x1
704 #define ID_LED_DEF1_ON2 0x2
705 #define ID_LED_DEF1_OFF2 0x3
706 #define ID_LED_ON1_DEF2 0x4
707 #define ID_LED_ON1_ON2 0x5
708 #define ID_LED_ON1_OFF2 0x6
709 #define ID_LED_OFF1_DEF2 0x7
710 #define ID_LED_OFF1_ON2 0x8
711 #define ID_LED_OFF1_OFF2 0x9
712
713 #define IGP_ACTIVITY_LED_MASK 0xFFFFF0FF
714 #define IGP_ACTIVITY_LED_ENABLE 0x0300
715 #define IGP_LED3_MODE 0x07000000
716
717 /* PCI/PCI-X/PCI-EX Config space */
718 #define PCIE_DEVICE_CONTROL2 0x28
719 #define PCIE_DEVICE_CONTROL2_16ms 0x0005
720
721 #define PHY_REVISION_MASK 0xFFFFFFF0
722 #define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */
723 #define MAX_PHY_MULTI_PAGE_REG 0xF
724
725 /* Bit definitions for valid PHY IDs. */
726 /*
727 * I = Integrated
728 * E = External
729 */
730 #define M88E1111_I_PHY_ID 0x01410CC0
731 #define M88E1112_E_PHY_ID 0x01410C90
732 #define I347AT4_E_PHY_ID 0x01410DC0
733 #define IGP03E1000_E_PHY_ID 0x02A80390
734 #define I82580_I_PHY_ID 0x015403A0
735 #define I350_I_PHY_ID 0x015403B0
736 #define M88_VENDOR 0x0141
737 #define I210_I_PHY_ID 0x01410C00
738
739 /* M88E1000 Specific Registers */
740 #define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */
741 #define M88E1000_PHY_SPEC_STATUS 0x11 /* PHY Specific Status Register */
742 #define M88E1000_EXT_PHY_SPEC_CTRL 0x14 /* Extended PHY Specific Control */
743
744 #define M88E1000_PHY_PAGE_SELECT 0x1D /* Reg 29 for page number setting */
745 #define M88E1000_PHY_GEN_CONTROL 0x1E /* Its meaning depends on reg 29 */
746
747 /* M88E1000 PHY Specific Control Register */
748 #define M88E1000_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */
749 /* 1=CLK125 low, 0=CLK125 toggling */
750 #define M88E1000_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */
751 /* Manual MDI configuration */
752 #define M88E1000_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */
753 /* 1000BASE-T: Auto crossover, 100BASE-TX/10BASE-T: MDI Mode */
754 #define M88E1000_PSCR_AUTO_X_1000T 0x0040
755 /* Auto crossover enabled all speeds */
756 #define M88E1000_PSCR_AUTO_X_MODE 0x0060
757 /*
758 * 1=Enable Extended 10BASE-T distance (Lower 10BASE-T Rx Threshold
759 * 0=Normal 10BASE-T Rx Threshold
760 */
761 /* 1=5-bit interface in 100BASE-TX, 0=MII interface in 100BASE-TX */
762 #define M88E1000_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
763
764 /* M88E1000 PHY Specific Status Register */
765 #define M88E1000_PSSR_REV_POLARITY 0x0002 /* 1=Polarity reversed */
766 #define M88E1000_PSSR_DOWNSHIFT 0x0020 /* 1=Downshifted */
767 #define M88E1000_PSSR_MDIX 0x0040 /* 1=MDIX; 0=MDI */
768 /*
769 * 0 = <50M
770 * 1 = 50-80M
771 * 2 = 80-110M
772 * 3 = 110-140M
773 * 4 = >140M
774 */
775 #define M88E1000_PSSR_CABLE_LENGTH 0x0380
776 #define M88E1000_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */
777 #define M88E1000_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
778
779 #define M88E1000_PSSR_CABLE_LENGTH_SHIFT 7
780
781 /* M88E1000 Extended PHY Specific Control Register */
782 /*
783 * 1 = Lost lock detect enabled.
784 * Will assert lost lock and bring
785 * link down if idle not seen
786 * within 1ms in 1000BASE-T
787 */
788 /*
789 * Number of times we will attempt to autonegotiate before downshifting if we
790 * are the master
791 */
792 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00
793 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_1X 0x0000
794 /*
795 * Number of times we will attempt to autonegotiate before downshifting if we
796 * are the slave
797 */
798 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK 0x0300
799 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X 0x0100
800 #define M88E1000_EPSCR_TX_CLK_25 0x0070 /* 25 MHz TX_CLK */
801
802 /* Intel i347-AT4 Registers */
803
804 #define I347AT4_PCDL 0x10 /* PHY Cable Diagnostics Length */
805 #define I347AT4_PCDC 0x15 /* PHY Cable Diagnostics Control */
806 #define I347AT4_PAGE_SELECT 0x16
807
808 /* i347-AT4 Extended PHY Specific Control Register */
809
810 /*
811 * Number of times we will attempt to autonegotiate before downshifting if we
812 * are the master
813 */
814 #define I347AT4_PSCR_DOWNSHIFT_ENABLE 0x0800
815 #define I347AT4_PSCR_DOWNSHIFT_MASK 0x7000
816 #define I347AT4_PSCR_DOWNSHIFT_1X 0x0000
817 #define I347AT4_PSCR_DOWNSHIFT_2X 0x1000
818 #define I347AT4_PSCR_DOWNSHIFT_3X 0x2000
819 #define I347AT4_PSCR_DOWNSHIFT_4X 0x3000
820 #define I347AT4_PSCR_DOWNSHIFT_5X 0x4000
821 #define I347AT4_PSCR_DOWNSHIFT_6X 0x5000
822 #define I347AT4_PSCR_DOWNSHIFT_7X 0x6000
823 #define I347AT4_PSCR_DOWNSHIFT_8X 0x7000
824
825 /* i347-AT4 PHY Cable Diagnostics Control */
826 #define I347AT4_PCDC_CABLE_LENGTH_UNIT 0x0400 /* 0=cm 1=meters */
827
828 /* Marvell 1112 only registers */
829 #define M88E1112_VCT_DSP_DISTANCE 0x001A
830
831 /* M88EC018 Rev 2 specific DownShift settings */
832 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK 0x0E00
833 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X 0x0800
834
835 /* MDI Control */
836 #define E1000_MDIC_DATA_MASK 0x0000FFFF
837 #define E1000_MDIC_REG_MASK 0x001F0000
838 #define E1000_MDIC_REG_SHIFT 16
839 #define E1000_MDIC_PHY_MASK 0x03E00000
840 #define E1000_MDIC_PHY_SHIFT 21
841 #define E1000_MDIC_OP_WRITE 0x04000000
842 #define E1000_MDIC_OP_READ 0x08000000
843 #define E1000_MDIC_READY 0x10000000
844 #define E1000_MDIC_INT_EN 0x20000000
845 #define E1000_MDIC_ERROR 0x40000000
846 #define E1000_MDIC_DEST 0x80000000
847
848 /* Thermal Sensor */
849 #define E1000_THSTAT_PWR_DOWN 0x00000001 /* Power Down Event */
850 #define E1000_THSTAT_LINK_THROTTLE 0x00000002 /* Link Speed Throttle Event */
851
852 /* Energy Efficient Ethernet */
853 #define E1000_IPCNFG_EEE_1G_AN 0x00000008 /* EEE Enable 1G AN */
854 #define E1000_IPCNFG_EEE_100M_AN 0x00000004 /* EEE Enable 100M AN */
855 #define E1000_EEER_TX_LPI_EN 0x00010000 /* EEE Tx LPI Enable */
856 #define E1000_EEER_RX_LPI_EN 0x00020000 /* EEE Rx LPI Enable */
857 #define E1000_EEER_FRC_AN 0x10000000 /* Enable EEE in loopback */
858 #define E1000_EEER_LPI_FC 0x00040000 /* EEE Enable on FC */
859
860 /* SerDes Control */
861 #define E1000_GEN_CTL_READY 0x80000000
862 #define E1000_GEN_CTL_ADDRESS_SHIFT 8
863 #define E1000_GEN_POLL_TIMEOUT 640
864
865 #define E1000_VFTA_ENTRY_SHIFT 5
866 #define E1000_VFTA_ENTRY_MASK 0x7F
867 #define E1000_VFTA_ENTRY_BIT_SHIFT_MASK 0x1F
868
869 /* DMA Coalescing register fields */
870 #define E1000_PCIEMISC_LX_DECISION 0x00000080 /* Lx power decision based
871 on DMA coal */
872
873 /* Tx Rate-Scheduler Config fields */
874 #define E1000_RTTBCNRC_RS_ENA 0x80000000
875 #define E1000_RTTBCNRC_RF_DEC_MASK 0x00003FFF
876 #define E1000_RTTBCNRC_RF_INT_SHIFT 14
877 #define E1000_RTTBCNRC_RF_INT_MASK \
878 (E1000_RTTBCNRC_RF_DEC_MASK << E1000_RTTBCNRC_RF_INT_SHIFT)
879
880 #endif
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