e6fe09096c349d95b7852546e9fbdab1aa91f55f
1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2013 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *******************************************************************************/
29 #ifndef _E1000_DEFINES_H_
30 #define _E1000_DEFINES_H_
32 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
33 #define REQ_TX_DESCRIPTOR_MULTIPLE 8
34 #define REQ_RX_DESCRIPTOR_MULTIPLE 8
36 /* Definitions for power management and wakeup registers */
38 #define E1000_WUC_APME 0x00000001 /* APM Enable */
39 #define E1000_WUC_PME_EN 0x00000002 /* PME Enable */
40 #define E1000_WUC_PHY_WAKE 0x00000100 /* if PHY supports wakeup */
42 /* Wake Up Filter Control */
43 #define E1000_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
44 #define E1000_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */
45 #define E1000_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */
46 #define E1000_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */
47 #define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */
48 #define E1000_WUFC_ARP 0x00000020 /* ARP Request Packet Wakeup Enable */
51 #define E1000_WUS_LNKC E1000_WUFC_LNKC
52 #define E1000_WUS_MAG E1000_WUFC_MAG
53 #define E1000_WUS_EX E1000_WUFC_EX
54 #define E1000_WUS_MC E1000_WUFC_MC
55 #define E1000_WUS_BC E1000_WUFC_BC
57 /* Extended Device Control */
58 #define E1000_CTRL_EXT_LPCD 0x00000004 /* LCD Power Cycle Done */
59 #define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Definable Pin 3 */
60 #define E1000_CTRL_EXT_FORCE_SMBUS 0x00000800 /* Force SMBus mode */
61 #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */
62 #define E1000_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */
63 #define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */
64 #define E1000_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clock Gating */
65 #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
66 #define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000
67 #define E1000_CTRL_EXT_EIAME 0x01000000
68 #define E1000_CTRL_EXT_DRV_LOAD 0x10000000 /* Driver loaded bit for FW */
69 #define E1000_CTRL_EXT_IAME 0x08000000 /* Int ACK Auto-mask */
70 #define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */
71 #define E1000_CTRL_EXT_LSECCK 0x00001000
72 #define E1000_CTRL_EXT_PHYPDEN 0x00100000
74 /* Receive Descriptor bit definitions */
75 #define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */
76 #define E1000_RXD_STAT_EOP 0x02 /* End of Packet */
77 #define E1000_RXD_STAT_IXSM 0x04 /* Ignore checksum */
78 #define E1000_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */
79 #define E1000_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */
80 #define E1000_RXD_STAT_TCPCS 0x20 /* TCP xsum calculated */
81 #define E1000_RXD_ERR_CE 0x01 /* CRC Error */
82 #define E1000_RXD_ERR_SE 0x02 /* Symbol Error */
83 #define E1000_RXD_ERR_SEQ 0x04 /* Sequence Error */
84 #define E1000_RXD_ERR_CXE 0x10 /* Carrier Extension Error */
85 #define E1000_RXD_ERR_TCPE 0x20 /* TCP/UDP Checksum Error */
86 #define E1000_RXD_ERR_IPE 0x40 /* IP Checksum Error */
87 #define E1000_RXD_ERR_RXE 0x80 /* Rx Data Error */
88 #define E1000_RXD_SPC_VLAN_MASK 0x0FFF /* VLAN ID is in lower 12 bits */
90 #define E1000_RXDEXT_STATERR_TST 0x00000100 /* Time Stamp taken */
91 #define E1000_RXDEXT_STATERR_CE 0x01000000
92 #define E1000_RXDEXT_STATERR_SE 0x02000000
93 #define E1000_RXDEXT_STATERR_SEQ 0x04000000
94 #define E1000_RXDEXT_STATERR_CXE 0x10000000
95 #define E1000_RXDEXT_STATERR_RXE 0x80000000
97 /* mask to determine if packets should be dropped due to frame errors */
98 #define E1000_RXD_ERR_FRAME_ERR_MASK ( \
101 E1000_RXD_ERR_SEQ | \
102 E1000_RXD_ERR_CXE | \
105 /* Same mask, but for extended and packet split descriptors */
106 #define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \
107 E1000_RXDEXT_STATERR_CE | \
108 E1000_RXDEXT_STATERR_SE | \
109 E1000_RXDEXT_STATERR_SEQ | \
110 E1000_RXDEXT_STATERR_CXE | \
111 E1000_RXDEXT_STATERR_RXE)
113 #define E1000_MRQC_RSS_FIELD_MASK 0xFFFF0000
114 #define E1000_MRQC_RSS_FIELD_IPV4_TCP 0x00010000
115 #define E1000_MRQC_RSS_FIELD_IPV4 0x00020000
116 #define E1000_MRQC_RSS_FIELD_IPV6_TCP_EX 0x00040000
117 #define E1000_MRQC_RSS_FIELD_IPV6 0x00100000
118 #define E1000_MRQC_RSS_FIELD_IPV6_TCP 0x00200000
120 #define E1000_RXDPS_HDRSTAT_HDRSP 0x00008000
122 /* Management Control */
123 #define E1000_MANC_SMBUS_EN 0x00000001 /* SMBus Enabled - RO */
124 #define E1000_MANC_ASF_EN 0x00000002 /* ASF Enabled - RO */
125 #define E1000_MANC_ARP_EN 0x00002000 /* Enable ARP Request Filtering */
126 #define E1000_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
127 #define E1000_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */
128 /* Enable MAC address filtering */
129 #define E1000_MANC_EN_MAC_ADDR_FILTER 0x00100000
130 /* Enable MNG packets to host memory */
131 #define E1000_MANC_EN_MNG2HOST 0x00200000
133 #define E1000_MANC2H_PORT_623 0x00000020 /* Port 0x26f */
134 #define E1000_MANC2H_PORT_664 0x00000040 /* Port 0x298 */
135 #define E1000_MDEF_PORT_623 0x00000800 /* Port 0x26f */
136 #define E1000_MDEF_PORT_664 0x00000400 /* Port 0x298 */
138 /* Receive Control */
139 #define E1000_RCTL_EN 0x00000002 /* enable */
140 #define E1000_RCTL_SBP 0x00000004 /* store bad packet */
141 #define E1000_RCTL_UPE 0x00000008 /* unicast promiscuous enable */
142 #define E1000_RCTL_MPE 0x00000010 /* multicast promiscuous enab */
143 #define E1000_RCTL_LPE 0x00000020 /* long packet enable */
144 #define E1000_RCTL_LBM_NO 0x00000000 /* no loopback mode */
145 #define E1000_RCTL_LBM_MAC 0x00000040 /* MAC loopback mode */
146 #define E1000_RCTL_LBM_TCVR 0x000000C0 /* tcvr loopback mode */
147 #define E1000_RCTL_DTYP_PS 0x00000400 /* Packet Split descriptor */
148 #define E1000_RCTL_RDMTS_HALF 0x00000000 /* Rx desc min threshold size */
149 #define E1000_RCTL_MO_SHIFT 12 /* multicast offset shift */
150 #define E1000_RCTL_MO_3 0x00003000 /* multicast offset 15:4 */
151 #define E1000_RCTL_BAM 0x00008000 /* broadcast enable */
152 /* these buffer sizes are valid if E1000_RCTL_BSEX is 0 */
153 #define E1000_RCTL_SZ_2048 0x00000000 /* Rx buffer size 2048 */
154 #define E1000_RCTL_SZ_1024 0x00010000 /* Rx buffer size 1024 */
155 #define E1000_RCTL_SZ_512 0x00020000 /* Rx buffer size 512 */
156 #define E1000_RCTL_SZ_256 0x00030000 /* Rx buffer size 256 */
157 /* these buffer sizes are valid if E1000_RCTL_BSEX is 1 */
158 #define E1000_RCTL_SZ_16384 0x00010000 /* Rx buffer size 16384 */
159 #define E1000_RCTL_SZ_8192 0x00020000 /* Rx buffer size 8192 */
160 #define E1000_RCTL_SZ_4096 0x00030000 /* Rx buffer size 4096 */
161 #define E1000_RCTL_VFE 0x00040000 /* vlan filter enable */
162 #define E1000_RCTL_CFIEN 0x00080000 /* canonical form enable */
163 #define E1000_RCTL_CFI 0x00100000 /* canonical form indicator */
164 #define E1000_RCTL_DPF 0x00400000 /* Discard Pause Frames */
165 #define E1000_RCTL_PMCF 0x00800000 /* pass MAC control frames */
166 #define E1000_RCTL_BSEX 0x02000000 /* Buffer size extension */
167 #define E1000_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */
169 /* Use byte values for the following shift parameters
171 * psrctl |= (((ROUNDUP(value0, 128) >> E1000_PSRCTL_BSIZE0_SHIFT) &
172 * E1000_PSRCTL_BSIZE0_MASK) |
173 * ((ROUNDUP(value1, 1024) >> E1000_PSRCTL_BSIZE1_SHIFT) &
174 * E1000_PSRCTL_BSIZE1_MASK) |
175 * ((ROUNDUP(value2, 1024) << E1000_PSRCTL_BSIZE2_SHIFT) &
176 * E1000_PSRCTL_BSIZE2_MASK) |
177 * ((ROUNDUP(value3, 1024) << E1000_PSRCTL_BSIZE3_SHIFT) |;
178 * E1000_PSRCTL_BSIZE3_MASK))
179 * where value0 = [128..16256], default=256
180 * value1 = [1024..64512], default=4096
181 * value2 = [0..64512], default=4096
182 * value3 = [0..64512], default=0
185 #define E1000_PSRCTL_BSIZE0_MASK 0x0000007F
186 #define E1000_PSRCTL_BSIZE1_MASK 0x00003F00
187 #define E1000_PSRCTL_BSIZE2_MASK 0x003F0000
188 #define E1000_PSRCTL_BSIZE3_MASK 0x3F000000
190 #define E1000_PSRCTL_BSIZE0_SHIFT 7 /* Shift _right_ 7 */
191 #define E1000_PSRCTL_BSIZE1_SHIFT 2 /* Shift _right_ 2 */
192 #define E1000_PSRCTL_BSIZE2_SHIFT 6 /* Shift _left_ 6 */
193 #define E1000_PSRCTL_BSIZE3_SHIFT 14 /* Shift _left_ 14 */
195 /* SWFW_SYNC Definitions */
196 #define E1000_SWFW_EEP_SM 0x1
197 #define E1000_SWFW_PHY0_SM 0x2
198 #define E1000_SWFW_PHY1_SM 0x4
199 #define E1000_SWFW_CSR_SM 0x8
202 #define E1000_CTRL_FD 0x00000001 /* Full duplex.0=half; 1=full */
203 #define E1000_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master requests */
204 #define E1000_CTRL_LRST 0x00000008 /* Link reset. 0=normal,1=reset */
205 #define E1000_CTRL_ASDE 0x00000020 /* Auto-speed detect enable */
206 #define E1000_CTRL_SLU 0x00000040 /* Set link up (Force Link) */
207 #define E1000_CTRL_ILOS 0x00000080 /* Invert Loss-Of Signal */
208 #define E1000_CTRL_SPD_SEL 0x00000300 /* Speed Select Mask */
209 #define E1000_CTRL_SPD_10 0x00000000 /* Force 10Mb */
210 #define E1000_CTRL_SPD_100 0x00000100 /* Force 100Mb */
211 #define E1000_CTRL_SPD_1000 0x00000200 /* Force 1Gb */
212 #define E1000_CTRL_FRCSPD 0x00000800 /* Force Speed */
213 #define E1000_CTRL_FRCDPX 0x00001000 /* Force Duplex */
214 #define E1000_CTRL_LANPHYPC_OVERRIDE 0x00010000 /* SW control of LANPHYPC */
215 #define E1000_CTRL_LANPHYPC_VALUE 0x00020000 /* SW value of LANPHYPC */
216 #define E1000_CTRL_MEHE 0x00080000 /* Memory Error Handling Enable */
217 #define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
218 #define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
219 #define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */
220 #define E1000_CTRL_RST 0x04000000 /* Global reset */
221 #define E1000_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
222 #define E1000_CTRL_TFCE 0x10000000 /* Transmit flow control enable */
223 #define E1000_CTRL_VME 0x40000000 /* IEEE VLAN mode enable */
224 #define E1000_CTRL_PHY_RST 0x80000000 /* PHY Reset */
226 #define E1000_PCS_LCTL_FORCE_FCTRL 0x80
228 #define E1000_PCS_LSTS_AN_COMPLETE 0x10000
231 #define E1000_STATUS_FD 0x00000001 /* Full duplex.0=half,1=full */
232 #define E1000_STATUS_LU 0x00000002 /* Link up.0=no,1=link */
233 #define E1000_STATUS_FUNC_MASK 0x0000000C /* PCI Function Mask */
234 #define E1000_STATUS_FUNC_SHIFT 2
235 #define E1000_STATUS_FUNC_1 0x00000004 /* Function 1 */
236 #define E1000_STATUS_TXOFF 0x00000010 /* transmission paused */
237 #define E1000_STATUS_SPEED_10 0x00000000 /* Speed 10Mb/s */
238 #define E1000_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */
239 #define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */
240 #define E1000_STATUS_LAN_INIT_DONE 0x00000200 /* Lan Init Completion by NVM */
241 #define E1000_STATUS_PHYRA 0x00000400 /* PHY Reset Asserted */
242 #define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000 /* Master Req status */
244 #define HALF_DUPLEX 1
245 #define FULL_DUPLEX 2
247 #define ADVERTISE_10_HALF 0x0001
248 #define ADVERTISE_10_FULL 0x0002
249 #define ADVERTISE_100_HALF 0x0004
250 #define ADVERTISE_100_FULL 0x0008
251 #define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */
252 #define ADVERTISE_1000_FULL 0x0020
254 /* 1000/H is not supported, nor spec-compliant. */
255 #define E1000_ALL_SPEED_DUPLEX ( \
256 ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \
257 ADVERTISE_100_FULL | ADVERTISE_1000_FULL)
258 #define E1000_ALL_NOT_GIG ( \
259 ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \
261 #define E1000_ALL_100_SPEED (ADVERTISE_100_HALF | ADVERTISE_100_FULL)
262 #define E1000_ALL_10_SPEED (ADVERTISE_10_HALF | ADVERTISE_10_FULL)
263 #define E1000_ALL_HALF_DUPLEX (ADVERTISE_10_HALF | ADVERTISE_100_HALF)
265 #define AUTONEG_ADVERTISE_SPEED_DEFAULT E1000_ALL_SPEED_DUPLEX
268 #define E1000_PHY_LED0_MODE_MASK 0x00000007
269 #define E1000_PHY_LED0_IVRT 0x00000008
270 #define E1000_PHY_LED0_MASK 0x0000001F
272 #define E1000_LEDCTL_LED0_MODE_MASK 0x0000000F
273 #define E1000_LEDCTL_LED0_MODE_SHIFT 0
274 #define E1000_LEDCTL_LED0_IVRT 0x00000040
275 #define E1000_LEDCTL_LED0_BLINK 0x00000080
277 #define E1000_LEDCTL_MODE_LINK_UP 0x2
278 #define E1000_LEDCTL_MODE_LED_ON 0xE
279 #define E1000_LEDCTL_MODE_LED_OFF 0xF
281 /* Transmit Descriptor bit definitions */
282 #define E1000_TXD_DTYP_D 0x00100000 /* Data Descriptor */
283 #define E1000_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */
284 #define E1000_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */
285 #define E1000_TXD_CMD_EOP 0x01000000 /* End of Packet */
286 #define E1000_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
287 #define E1000_TXD_CMD_IC 0x04000000 /* Insert Checksum */
288 #define E1000_TXD_CMD_RS 0x08000000 /* Report Status */
289 #define E1000_TXD_CMD_RPS 0x10000000 /* Report Packet Sent */
290 #define E1000_TXD_CMD_DEXT 0x20000000 /* Descriptor extension (0 = legacy) */
291 #define E1000_TXD_CMD_VLE 0x40000000 /* Add VLAN tag */
292 #define E1000_TXD_CMD_IDE 0x80000000 /* Enable Tidv register */
293 #define E1000_TXD_STAT_DD 0x00000001 /* Descriptor Done */
294 #define E1000_TXD_STAT_EC 0x00000002 /* Excess Collisions */
295 #define E1000_TXD_STAT_LC 0x00000004 /* Late Collisions */
296 #define E1000_TXD_STAT_TU 0x00000008 /* Transmit underrun */
297 #define E1000_TXD_CMD_TCP 0x01000000 /* TCP packet */
298 #define E1000_TXD_CMD_IP 0x02000000 /* IP packet */
299 #define E1000_TXD_CMD_TSE 0x04000000 /* TCP Seg enable */
300 #define E1000_TXD_STAT_TC 0x00000004 /* Tx Underrun */
301 #define E1000_TXD_EXTCMD_TSTAMP 0x00000010 /* IEEE1588 Timestamp packet */
303 /* Transmit Control */
304 #define E1000_TCTL_EN 0x00000002 /* enable Tx */
305 #define E1000_TCTL_PSP 0x00000008 /* pad short packets */
306 #define E1000_TCTL_CT 0x00000ff0 /* collision threshold */
307 #define E1000_TCTL_COLD 0x003ff000 /* collision distance */
308 #define E1000_TCTL_RTLC 0x01000000 /* Re-transmit on late collision */
309 #define E1000_TCTL_MULR 0x10000000 /* Multiple request support */
312 #define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400
314 /* Receive Checksum Control */
315 #define E1000_RXCSUM_TUOFL 0x00000200 /* TCP / UDP checksum offload */
316 #define E1000_RXCSUM_IPPCSE 0x00001000 /* IP payload checksum enable */
317 #define E1000_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */
319 /* Header split receive */
320 #define E1000_RFCTL_NFSW_DIS 0x00000040
321 #define E1000_RFCTL_NFSR_DIS 0x00000080
322 #define E1000_RFCTL_ACK_DIS 0x00001000
323 #define E1000_RFCTL_EXTEN 0x00008000
324 #define E1000_RFCTL_IPV6_EX_DIS 0x00010000
325 #define E1000_RFCTL_NEW_IPV6_EXT_DIS 0x00020000
327 /* Collision related configuration parameters */
328 #define E1000_COLLISION_THRESHOLD 15
329 #define E1000_CT_SHIFT 4
330 #define E1000_COLLISION_DISTANCE 63
331 #define E1000_COLD_SHIFT 12
333 /* Default values for the transmit IPG register */
334 #define DEFAULT_82543_TIPG_IPGT_COPPER 8
336 #define E1000_TIPG_IPGT_MASK 0x000003FF
338 #define DEFAULT_82543_TIPG_IPGR1 8
339 #define E1000_TIPG_IPGR1_SHIFT 10
341 #define DEFAULT_82543_TIPG_IPGR2 6
342 #define DEFAULT_80003ES2LAN_TIPG_IPGR2 7
343 #define E1000_TIPG_IPGR2_SHIFT 20
345 #define MAX_JUMBO_FRAME_SIZE 0x3F00
347 /* Extended Configuration Control and Size */
348 #define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP 0x00000020
349 #define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE 0x00000001
350 #define E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE 0x00000008
351 #define E1000_EXTCNF_CTRL_SWFLAG 0x00000020
352 #define E1000_EXTCNF_CTRL_GATE_PHY_CFG 0x00000080
353 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK 0x00FF0000
354 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT 16
355 #define E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK 0x0FFF0000
356 #define E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT 16
358 #define E1000_PHY_CTRL_D0A_LPLU 0x00000002
359 #define E1000_PHY_CTRL_NOND0A_LPLU 0x00000004
360 #define E1000_PHY_CTRL_NOND0A_GBE_DISABLE 0x00000008
361 #define E1000_PHY_CTRL_GBE_DISABLE 0x00000040
363 #define E1000_KABGTXD_BGSQLBIAS 0x00050000
365 /* Low Power IDLE Control */
366 #define E1000_LPIC_LPIET_SHIFT 24 /* Low Power Idle Entry Time */
369 #define E1000_PBA_8K 0x0008 /* 8KB */
370 #define E1000_PBA_16K 0x0010 /* 16KB */
372 #define E1000_PBA_RXA_MASK 0xFFFF
374 #define E1000_PBS_16K E1000_PBA_16K
376 /* Uncorrectable/correctable ECC Error counts and enable bits */
377 #define E1000_PBECCSTS_CORR_ERR_CNT_MASK 0x000000FF
378 #define E1000_PBECCSTS_UNCORR_ERR_CNT_MASK 0x0000FF00
379 #define E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT 8
380 #define E1000_PBECCSTS_ECC_ENABLE 0x00010000
386 #define MIN_NUM_XMITS 1000
388 /* SW Semaphore Register */
389 #define E1000_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */
390 #define E1000_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */
391 #define E1000_SWSM_DRV_LOAD 0x00000008 /* Driver Loaded Bit */
393 #define E1000_SWSM2_LOCK 0x00000002 /* Secondary driver semaphore bit */
395 /* Interrupt Cause Read */
396 #define E1000_ICR_TXDW 0x00000001 /* Transmit desc written back */
397 #define E1000_ICR_LSC 0x00000004 /* Link Status Change */
398 #define E1000_ICR_RXSEQ 0x00000008 /* Rx sequence error */
399 #define E1000_ICR_RXDMT0 0x00000010 /* Rx desc min. threshold (0) */
400 #define E1000_ICR_RXT0 0x00000080 /* Rx timer intr (ring 0) */
401 #define E1000_ICR_ECCER 0x00400000 /* Uncorrectable ECC Error */
402 /* If this bit asserted, the driver should claim the interrupt */
403 #define E1000_ICR_INT_ASSERTED 0x80000000
404 #define E1000_ICR_RXQ0 0x00100000 /* Rx Queue 0 Interrupt */
405 #define E1000_ICR_RXQ1 0x00200000 /* Rx Queue 1 Interrupt */
406 #define E1000_ICR_TXQ0 0x00400000 /* Tx Queue 0 Interrupt */
407 #define E1000_ICR_TXQ1 0x00800000 /* Tx Queue 1 Interrupt */
408 #define E1000_ICR_OTHER 0x01000000 /* Other Interrupts */
410 /* PBA ECC Register */
411 #define E1000_PBA_ECC_COUNTER_MASK 0xFFF00000 /* ECC counter mask */
412 #define E1000_PBA_ECC_COUNTER_SHIFT 20 /* ECC counter shift value */
413 #define E1000_PBA_ECC_CORR_EN 0x00000001 /* ECC correction enable */
414 #define E1000_PBA_ECC_STAT_CLR 0x00000002 /* Clear ECC error counter */
415 #define E1000_PBA_ECC_INT_EN 0x00000004 /* Enable ICR bit 5 for ECC */
417 /* This defines the bits that are set in the Interrupt Mask
418 * Set/Read Register. Each bit is documented below:
419 * o RXT0 = Receiver Timer Interrupt (ring 0)
420 * o TXDW = Transmit Descriptor Written Back
421 * o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
422 * o RXSEQ = Receive Sequence Error
423 * o LSC = Link Status Change
425 #define IMS_ENABLE_MASK ( \
432 /* Interrupt Mask Set */
433 #define E1000_IMS_TXDW E1000_ICR_TXDW /* Transmit desc written back */
434 #define E1000_IMS_LSC E1000_ICR_LSC /* Link Status Change */
435 #define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* Rx sequence error */
436 #define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* Rx desc min. threshold */
437 #define E1000_IMS_RXT0 E1000_ICR_RXT0 /* Rx timer intr */
438 #define E1000_IMS_ECCER E1000_ICR_ECCER /* Uncorrectable ECC Error */
439 #define E1000_IMS_RXQ0 E1000_ICR_RXQ0 /* Rx Queue 0 Interrupt */
440 #define E1000_IMS_RXQ1 E1000_ICR_RXQ1 /* Rx Queue 1 Interrupt */
441 #define E1000_IMS_TXQ0 E1000_ICR_TXQ0 /* Tx Queue 0 Interrupt */
442 #define E1000_IMS_TXQ1 E1000_ICR_TXQ1 /* Tx Queue 1 Interrupt */
443 #define E1000_IMS_OTHER E1000_ICR_OTHER /* Other Interrupts */
445 /* Interrupt Cause Set */
446 #define E1000_ICS_LSC E1000_ICR_LSC /* Link Status Change */
447 #define E1000_ICS_RXSEQ E1000_ICR_RXSEQ /* Rx sequence error */
448 #define E1000_ICS_RXDMT0 E1000_ICR_RXDMT0 /* Rx desc min. threshold */
450 /* Transmit Descriptor Control */
451 #define E1000_TXDCTL_PTHRESH 0x0000003F /* TXDCTL Prefetch Threshold */
452 #define E1000_TXDCTL_HTHRESH 0x00003F00 /* TXDCTL Host Threshold */
453 #define E1000_TXDCTL_WTHRESH 0x003F0000 /* TXDCTL Writeback Threshold */
454 #define E1000_TXDCTL_GRAN 0x01000000 /* TXDCTL Granularity */
455 #define E1000_TXDCTL_FULL_TX_DESC_WB 0x01010000 /* GRAN=1, WTHRESH=1 */
456 #define E1000_TXDCTL_MAX_TX_DESC_PREFETCH 0x0100001F /* GRAN=1, PTHRESH=31 */
457 /* Enable the counting of desc. still to be processed. */
458 #define E1000_TXDCTL_COUNT_DESC 0x00400000
460 /* Flow Control Constants */
461 #define FLOW_CONTROL_ADDRESS_LOW 0x00C28001
462 #define FLOW_CONTROL_ADDRESS_HIGH 0x00000100
463 #define FLOW_CONTROL_TYPE 0x8808
465 /* 802.1q VLAN Packet Size */
466 #define E1000_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */
469 * Number of high/low register pairs in the RAR. The RAR (Receive Address
470 * Registers) holds the directed and multicast addresses that we monitor.
471 * Technically, we have 16 spots. However, we reserve one of these spots
472 * (RAR[15]) for our directed address used by controllers with
473 * manageability enabled, allowing us room for 15 multicast addresses.
475 #define E1000_RAR_ENTRIES 15
476 #define E1000_RAH_AV 0x80000000 /* Receive descriptor valid */
477 #define E1000_RAL_MAC_ADDR_LEN 4
478 #define E1000_RAH_MAC_ADDR_LEN 2
481 #define E1000_ERR_NVM 1
482 #define E1000_ERR_PHY 2
483 #define E1000_ERR_CONFIG 3
484 #define E1000_ERR_PARAM 4
485 #define E1000_ERR_MAC_INIT 5
486 #define E1000_ERR_PHY_TYPE 6
487 #define E1000_ERR_RESET 9
488 #define E1000_ERR_MASTER_REQUESTS_PENDING 10
489 #define E1000_ERR_HOST_INTERFACE_COMMAND 11
490 #define E1000_BLK_PHY_RESET 12
491 #define E1000_ERR_SWFW_SYNC 13
492 #define E1000_NOT_IMPLEMENTED 14
493 #define E1000_ERR_INVALID_ARGUMENT 16
494 #define E1000_ERR_NO_SPACE 17
495 #define E1000_ERR_NVM_PBA_SECTION 18
497 /* Loop limit on how long we wait for auto-negotiation to complete */
498 #define FIBER_LINK_UP_LIMIT 50
499 #define COPPER_LINK_UP_LIMIT 10
500 #define PHY_AUTO_NEG_LIMIT 45
501 #define PHY_FORCE_LIMIT 20
502 /* Number of 100 microseconds we wait for PCI Express master disable */
503 #define MASTER_DISABLE_TIMEOUT 800
504 /* Number of milliseconds we wait for PHY configuration done after MAC reset */
505 #define PHY_CFG_TIMEOUT 100
506 /* Number of 2 milliseconds we wait for acquiring MDIO ownership. */
507 #define MDIO_OWNERSHIP_TIMEOUT 10
508 /* Number of milliseconds for NVM auto read done after MAC reset. */
509 #define AUTO_READ_DONE_TIMEOUT 10
512 #define E1000_FCRTH_RTH 0x0000FFF8 /* Mask Bits[15:3] for RTH */
513 #define E1000_FCRTL_RTL 0x0000FFF8 /* Mask Bits[15:3] for RTL */
514 #define E1000_FCRTL_XONE 0x80000000 /* Enable XON frame transmission */
516 /* Transmit Configuration Word */
517 #define E1000_TXCW_FD 0x00000020 /* TXCW full duplex */
518 #define E1000_TXCW_PAUSE 0x00000080 /* TXCW sym pause request */
519 #define E1000_TXCW_ASM_DIR 0x00000100 /* TXCW astm pause direction */
520 #define E1000_TXCW_PAUSE_MASK 0x00000180 /* TXCW pause request mask */
521 #define E1000_TXCW_ANE 0x80000000 /* Auto-neg enable */
523 /* Receive Configuration Word */
524 #define E1000_RXCW_CW 0x0000ffff /* RxConfigWord mask */
525 #define E1000_RXCW_IV 0x08000000 /* Receive config invalid */
526 #define E1000_RXCW_C 0x20000000 /* Receive config */
527 #define E1000_RXCW_SYNCH 0x40000000 /* Receive config synch */
529 #define E1000_TSYNCTXCTL_VALID 0x00000001 /* Tx timestamp valid */
530 #define E1000_TSYNCTXCTL_ENABLED 0x00000010 /* enable Tx timestamping */
532 #define E1000_TSYNCRXCTL_VALID 0x00000001 /* Rx timestamp valid */
533 #define E1000_TSYNCRXCTL_TYPE_MASK 0x0000000E /* Rx type mask */
534 #define E1000_TSYNCRXCTL_TYPE_L2_V2 0x00
535 #define E1000_TSYNCRXCTL_TYPE_L4_V1 0x02
536 #define E1000_TSYNCRXCTL_TYPE_L2_L4_V2 0x04
537 #define E1000_TSYNCRXCTL_TYPE_ALL 0x08
538 #define E1000_TSYNCRXCTL_TYPE_EVENT_V2 0x0A
539 #define E1000_TSYNCRXCTL_ENABLED 0x00000010 /* enable Rx timestamping */
540 #define E1000_TSYNCRXCTL_SYSCFI 0x00000020 /* Sys clock frequency */
542 #define E1000_RXMTRL_PTP_V1_SYNC_MESSAGE 0x00000000
543 #define E1000_RXMTRL_PTP_V1_DELAY_REQ_MESSAGE 0x00010000
545 #define E1000_RXMTRL_PTP_V2_SYNC_MESSAGE 0x00000000
546 #define E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE 0x01000000
548 #define E1000_TIMINCA_INCPERIOD_SHIFT 24
549 #define E1000_TIMINCA_INCVALUE_MASK 0x00FFFFFF
551 /* PCI Express Control */
552 #define E1000_GCR_RXD_NO_SNOOP 0x00000001
553 #define E1000_GCR_RXDSCW_NO_SNOOP 0x00000002
554 #define E1000_GCR_RXDSCR_NO_SNOOP 0x00000004
555 #define E1000_GCR_TXD_NO_SNOOP 0x00000008
556 #define E1000_GCR_TXDSCW_NO_SNOOP 0x00000010
557 #define E1000_GCR_TXDSCR_NO_SNOOP 0x00000020
559 #define PCIE_NO_SNOOP_ALL (E1000_GCR_RXD_NO_SNOOP | \
560 E1000_GCR_RXDSCW_NO_SNOOP | \
561 E1000_GCR_RXDSCR_NO_SNOOP | \
562 E1000_GCR_TXD_NO_SNOOP | \
563 E1000_GCR_TXDSCW_NO_SNOOP | \
564 E1000_GCR_TXDSCR_NO_SNOOP)
567 #define E1000_EECD_SK 0x00000001 /* NVM Clock */
568 #define E1000_EECD_CS 0x00000002 /* NVM Chip Select */
569 #define E1000_EECD_DI 0x00000004 /* NVM Data In */
570 #define E1000_EECD_DO 0x00000008 /* NVM Data Out */
571 #define E1000_EECD_REQ 0x00000040 /* NVM Access Request */
572 #define E1000_EECD_GNT 0x00000080 /* NVM Access Grant */
573 #define E1000_EECD_PRES 0x00000100 /* NVM Present */
574 #define E1000_EECD_SIZE 0x00000200 /* NVM Size (0=64 word 1=256 word) */
575 /* NVM Addressing bits based on type (0-small, 1-large) */
576 #define E1000_EECD_ADDR_BITS 0x00000400
577 #define E1000_NVM_GRANT_ATTEMPTS 1000 /* NVM # attempts to gain grant */
578 #define E1000_EECD_AUTO_RD 0x00000200 /* NVM Auto Read done */
579 #define E1000_EECD_SIZE_EX_MASK 0x00007800 /* NVM Size */
580 #define E1000_EECD_SIZE_EX_SHIFT 11
581 #define E1000_EECD_FLUPD 0x00080000 /* Update FLASH */
582 #define E1000_EECD_AUPDEN 0x00100000 /* Enable Autonomous FLASH update */
583 #define E1000_EECD_SEC1VAL 0x00400000 /* Sector One Valid */
584 #define E1000_EECD_SEC1VAL_VALID_MASK (E1000_EECD_AUTO_RD | E1000_EECD_PRES)
586 #define E1000_NVM_RW_REG_DATA 16 /* Offset to data in NVM r/w regs */
587 #define E1000_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */
588 #define E1000_NVM_RW_REG_START 1 /* Start operation */
589 #define E1000_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */
590 #define E1000_NVM_POLL_WRITE 1 /* Flag for polling write complete */
591 #define E1000_NVM_POLL_READ 0 /* Flag for polling read complete */
592 #define E1000_FLASH_UPDATES 2000
594 /* NVM Word Offsets */
595 #define NVM_COMPAT 0x0003
596 #define NVM_ID_LED_SETTINGS 0x0004
597 #define NVM_FUTURE_INIT_WORD1 0x0019
598 #define NVM_COMPAT_VALID_CSUM 0x0001
599 #define NVM_FUTURE_INIT_WORD1_VALID_CSUM 0x0040
601 #define NVM_INIT_CONTROL2_REG 0x000F
602 #define NVM_INIT_CONTROL3_PORT_B 0x0014
603 #define NVM_INIT_3GIO_3 0x001A
604 #define NVM_INIT_CONTROL3_PORT_A 0x0024
605 #define NVM_CFG 0x0012
606 #define NVM_ALT_MAC_ADDR_PTR 0x0037
607 #define NVM_CHECKSUM_REG 0x003F
609 #define E1000_NVM_CFG_DONE_PORT_0 0x40000 /* MNG config cycle done */
610 #define E1000_NVM_CFG_DONE_PORT_1 0x80000 /* ...for second port */
612 /* Mask bits for fields in Word 0x0f of the NVM */
613 #define NVM_WORD0F_PAUSE_MASK 0x3000
614 #define NVM_WORD0F_PAUSE 0x1000
615 #define NVM_WORD0F_ASM_DIR 0x2000
617 /* Mask bits for fields in Word 0x1a of the NVM */
618 #define NVM_WORD1A_ASPM_MASK 0x000C
620 /* Mask bits for fields in Word 0x03 of the EEPROM */
621 #define NVM_COMPAT_LOM 0x0800
623 /* length of string needed to store PBA number */
624 #define E1000_PBANUM_LENGTH 11
626 /* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
627 #define NVM_SUM 0xBABA
629 /* PBA (printed board assembly) number words */
630 #define NVM_PBA_OFFSET_0 8
631 #define NVM_PBA_OFFSET_1 9
632 #define NVM_PBA_PTR_GUARD 0xFAFA
633 #define NVM_WORD_SIZE_BASE_SHIFT 6
635 /* NVM Commands - SPI */
636 #define NVM_MAX_RETRY_SPI 5000 /* Max wait of 5ms, for RDY signal */
637 #define NVM_READ_OPCODE_SPI 0x03 /* NVM read opcode */
638 #define NVM_WRITE_OPCODE_SPI 0x02 /* NVM write opcode */
639 #define NVM_A8_OPCODE_SPI 0x08 /* opcode bit-3 = address bit-8 */
640 #define NVM_WREN_OPCODE_SPI 0x06 /* NVM set Write Enable latch */
641 #define NVM_RDSR_OPCODE_SPI 0x05 /* NVM read Status register */
643 /* SPI NVM Status Register */
644 #define NVM_STATUS_RDY_SPI 0x01
646 /* Word definitions for ID LED Settings */
647 #define ID_LED_RESERVED_0000 0x0000
648 #define ID_LED_RESERVED_FFFF 0xFFFF
649 #define ID_LED_DEFAULT ((ID_LED_OFF1_ON2 << 12) | \
650 (ID_LED_OFF1_OFF2 << 8) | \
651 (ID_LED_DEF1_DEF2 << 4) | \
653 #define ID_LED_DEF1_DEF2 0x1
654 #define ID_LED_DEF1_ON2 0x2
655 #define ID_LED_DEF1_OFF2 0x3
656 #define ID_LED_ON1_DEF2 0x4
657 #define ID_LED_ON1_ON2 0x5
658 #define ID_LED_ON1_OFF2 0x6
659 #define ID_LED_OFF1_DEF2 0x7
660 #define ID_LED_OFF1_ON2 0x8
661 #define ID_LED_OFF1_OFF2 0x9
663 #define IGP_ACTIVITY_LED_MASK 0xFFFFF0FF
664 #define IGP_ACTIVITY_LED_ENABLE 0x0300
665 #define IGP_LED3_MODE 0x07000000
667 /* PCI/PCI-X/PCI-EX Config space */
668 #define PCI_HEADER_TYPE_REGISTER 0x0E
669 #define PCIE_LINK_STATUS 0x12
671 #define PCI_HEADER_TYPE_MULTIFUNC 0x80
672 #define PCIE_LINK_WIDTH_MASK 0x3F0
673 #define PCIE_LINK_WIDTH_SHIFT 4
675 #define PHY_REVISION_MASK 0xFFFFFFF0
676 #define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */
677 #define MAX_PHY_MULTI_PAGE_REG 0xF
679 /* Bit definitions for valid PHY IDs.
683 #define M88E1000_E_PHY_ID 0x01410C50
684 #define M88E1000_I_PHY_ID 0x01410C30
685 #define M88E1011_I_PHY_ID 0x01410C20
686 #define IGP01E1000_I_PHY_ID 0x02A80380
687 #define M88E1111_I_PHY_ID 0x01410CC0
688 #define GG82563_E_PHY_ID 0x01410CA0
689 #define IGP03E1000_E_PHY_ID 0x02A80390
690 #define IFE_E_PHY_ID 0x02A80330
691 #define IFE_PLUS_E_PHY_ID 0x02A80320
692 #define IFE_C_E_PHY_ID 0x02A80310
693 #define BME1000_E_PHY_ID 0x01410CB0
694 #define BME1000_E_PHY_ID_R2 0x01410CB1
695 #define I82577_E_PHY_ID 0x01540050
696 #define I82578_E_PHY_ID 0x004DD040
697 #define I82579_E_PHY_ID 0x01540090
698 #define I217_E_PHY_ID 0x015400A0
700 /* M88E1000 Specific Registers */
701 #define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */
702 #define M88E1000_PHY_SPEC_STATUS 0x11 /* PHY Specific Status Register */
703 #define M88E1000_EXT_PHY_SPEC_CTRL 0x14 /* Extended PHY Specific Control */
705 #define M88E1000_PHY_PAGE_SELECT 0x1D /* Reg 29 for page number setting */
706 #define M88E1000_PHY_GEN_CONTROL 0x1E /* Its meaning depends on reg 29 */
708 /* M88E1000 PHY Specific Control Register */
709 #define M88E1000_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */
710 #define M88E1000_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */
711 /* Manual MDI configuration */
712 #define M88E1000_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */
713 /* 1000BASE-T: Auto crossover, 100BASE-TX/10BASE-T: MDI Mode */
714 #define M88E1000_PSCR_AUTO_X_1000T 0x0040
715 /* Auto crossover enabled all speeds */
716 #define M88E1000_PSCR_AUTO_X_MODE 0x0060
717 #define M88E1000_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
719 /* M88E1000 PHY Specific Status Register */
720 #define M88E1000_PSSR_REV_POLARITY 0x0002 /* 1=Polarity reversed */
721 #define M88E1000_PSSR_DOWNSHIFT 0x0020 /* 1=Downshifted */
722 #define M88E1000_PSSR_MDIX 0x0040 /* 1=MDIX; 0=MDI */
723 /* 0=<50M; 1=50-80M; 2=80-110M; 3=110-140M; 4=>140M */
724 #define M88E1000_PSSR_CABLE_LENGTH 0x0380
725 #define M88E1000_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */
726 #define M88E1000_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
728 #define M88E1000_PSSR_CABLE_LENGTH_SHIFT 7
730 /* Number of times we will attempt to autonegotiate before downshifting if we
733 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00
734 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_1X 0x0000
735 /* Number of times we will attempt to autonegotiate before downshifting if we
738 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK 0x0300
739 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X 0x0100
740 #define M88E1000_EPSCR_TX_CLK_25 0x0070 /* 25 MHz TX_CLK */
742 /* M88EC018 Rev 2 specific DownShift settings */
743 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK 0x0E00
744 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X 0x0800
746 #define I82578_EPSCR_DOWNSHIFT_ENABLE 0x0020
747 #define I82578_EPSCR_DOWNSHIFT_COUNTER_MASK 0x001C
749 /* BME1000 PHY Specific Control Register */
750 #define BME1000_PSCR_ENABLE_DOWNSHIFT 0x0800 /* 1 = enable downshift */
754 * 4-0: register offset
756 #define GG82563_PAGE_SHIFT 5
757 #define GG82563_REG(page, reg) \
758 (((page) << GG82563_PAGE_SHIFT) | ((reg) & MAX_PHY_REG_ADDRESS))
759 #define GG82563_MIN_ALT_REG 30
761 /* GG82563 Specific Registers */
762 #define GG82563_PHY_SPEC_CTRL \
763 GG82563_REG(0, 16) /* PHY Specific Control */
764 #define GG82563_PHY_PAGE_SELECT \
765 GG82563_REG(0, 22) /* Page Select */
766 #define GG82563_PHY_SPEC_CTRL_2 \
767 GG82563_REG(0, 26) /* PHY Specific Control 2 */
768 #define GG82563_PHY_PAGE_SELECT_ALT \
769 GG82563_REG(0, 29) /* Alternate Page Select */
771 #define GG82563_PHY_MAC_SPEC_CTRL \
772 GG82563_REG(2, 21) /* MAC Specific Control Register */
774 #define GG82563_PHY_DSP_DISTANCE \
775 GG82563_REG(5, 26) /* DSP Distance */
777 /* Page 193 - Port Control Registers */
778 #define GG82563_PHY_KMRN_MODE_CTRL \
779 GG82563_REG(193, 16) /* Kumeran Mode Control */
780 #define GG82563_PHY_PWR_MGMT_CTRL \
781 GG82563_REG(193, 20) /* Power Management Control */
783 /* Page 194 - KMRN Registers */
784 #define GG82563_PHY_INBAND_CTRL \
785 GG82563_REG(194, 18) /* Inband Control */
788 #define E1000_MDIC_REG_SHIFT 16
789 #define E1000_MDIC_PHY_SHIFT 21
790 #define E1000_MDIC_OP_WRITE 0x04000000
791 #define E1000_MDIC_OP_READ 0x08000000
792 #define E1000_MDIC_READY 0x10000000
793 #define E1000_MDIC_ERROR 0x40000000
796 #define E1000_GEN_POLL_TIMEOUT 640
798 #endif /* _E1000_DEFINES_H_ */
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