Xenomai  3.0-rc7
e1000_defines.h
1 /*******************************************************************************
2 
3  Intel(R) Gigabit Ethernet Linux driver
4  Copyright(c) 2007 - 2008 Intel Corporation.
5  RTnet port 2009 Vladimir Zapolskiy <vladimir.zapolskiy@siemens.com>
6 
7  This program is free software; you can redistribute it and/or modify it
8  under the terms and conditions of the GNU General Public License,
9  version 2, as published by the Free Software Foundation.
10 
11  This program is distributed in the hope it will be useful, but WITHOUT
12  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14  more details.
15 
16  You should have received a copy of the GNU General Public License along with
17  this program; if not, write to the Free Software Foundation, Inc.,
18  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 
20  The full GNU General Public License is included in this distribution in
21  the file called "COPYING".
22 
23  Contact Information:
24  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 
27 *******************************************************************************/
28 
29 #ifndef _E1000_DEFINES_H_
30 #define _E1000_DEFINES_H_
31 
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
35 
36 /* Definitions for power management and wakeup registers */
37 /* Wake Up Control */
38 #define E1000_WUC_PME_EN 0x00000002 /* PME Enable */
39 
40 /* Wake Up Filter Control */
41 #define E1000_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
42 #define E1000_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */
43 #define E1000_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */
44 #define E1000_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */
45 #define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */
46 #define E1000_WUFC_ARP 0x00000020 /* ARP Request Packet Wakeup Enable */
47 #define E1000_WUFC_IPV4 0x00000040 /* Directed IPv4 Packet Wakeup Enable */
48 #define E1000_WUFC_IPV6 0x00000080 /* Directed IPv6 Packet Wakeup Enable */
49 #define E1000_WUFC_FLX0 0x00010000 /* Flexible Filter 0 Enable */
50 #define E1000_WUFC_FLX1 0x00020000 /* Flexible Filter 1 Enable */
51 #define E1000_WUFC_FLX2 0x00040000 /* Flexible Filter 2 Enable */
52 #define E1000_WUFC_FLX3 0x00080000 /* Flexible Filter 3 Enable */
53 #define E1000_WUFC_FLX_FILTERS 0x000F0000 /* Mask for the 4 flexible filters */
54 
55 /* Wake Up Status */
56 
57 /* Wake Up Packet Length */
58 
59 /* Four Flexible Filters are supported */
60 #define E1000_FLEXIBLE_FILTER_COUNT_MAX 4
61 
62 /* Each Flexible Filter is at most 128 (0x80) bytes in length */
63 #define E1000_FLEXIBLE_FILTER_SIZE_MAX 128
64 
65 
66 /* Extended Device Control */
67 #define E1000_CTRL_EXT_GPI1_EN 0x00000002 /* Maps SDP5 to GPI1 */
68 #define E1000_CTRL_EXT_SDP4_DATA 0x00000010 /* Value of SW Defineable Pin 4 */
69 #define E1000_CTRL_EXT_SDP5_DATA 0x00000020 /* Value of SW Defineable Pin 5 */
70 #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Defineable Pin 7 */
71 #define E1000_CTRL_EXT_SDP4_DIR 0x00000100 /* Direction of SDP4 0=in 1=out */
72 #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */
73 #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
74 #define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000
75 #define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000
76 #define E1000_CTRL_EXT_EIAME 0x01000000
77 #define E1000_CTRL_EXT_IRCA 0x00000001
78 /* Interrupt delay cancellation */
79 /* Driver loaded bit for FW */
80 #define E1000_CTRL_EXT_DRV_LOAD 0x10000000
81 /* Interrupt acknowledge Auto-mask */
82 /* Clear Interrupt timers after IMS clear */
83 /* packet buffer parity error detection enabled */
84 /* descriptor FIFO parity error detection enable */
85 #define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */
86 #define E1000_I2CCMD_REG_ADDR_SHIFT 16
87 #define E1000_I2CCMD_PHY_ADDR_SHIFT 24
88 #define E1000_I2CCMD_OPCODE_READ 0x08000000
89 #define E1000_I2CCMD_OPCODE_WRITE 0x00000000
90 #define E1000_I2CCMD_READY 0x20000000
91 #define E1000_I2CCMD_ERROR 0x80000000
92 #define E1000_MAX_SGMII_PHY_REG_ADDR 255
93 #define E1000_I2CCMD_PHY_TIMEOUT 200
94 #define E1000_IVAR_VALID 0x80
95 #define E1000_GPIE_NSICR 0x00000001
96 #define E1000_GPIE_MSIX_MODE 0x00000010
97 #define E1000_GPIE_EIAME 0x40000000
98 #define E1000_GPIE_PBA 0x80000000
99 
100 /* Receive Descriptor bit definitions */
101 #define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */
102 #define E1000_RXD_STAT_EOP 0x02 /* End of Packet */
103 #define E1000_RXD_STAT_IXSM 0x04 /* Ignore checksum */
104 #define E1000_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */
105 #define E1000_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */
106 #define E1000_RXD_STAT_TCPCS 0x20 /* TCP xsum calculated */
107 #define E1000_RXD_STAT_DYNINT 0x800 /* Pkt caused INT via DYNINT */
108 #define E1000_RXD_ERR_CE 0x01 /* CRC Error */
109 #define E1000_RXD_ERR_SE 0x02 /* Symbol Error */
110 #define E1000_RXD_ERR_SEQ 0x04 /* Sequence Error */
111 #define E1000_RXD_ERR_CXE 0x10 /* Carrier Extension Error */
112 #define E1000_RXD_ERR_RXE 0x80 /* Rx Data Error */
113 #define E1000_RXD_SPC_VLAN_MASK 0x0FFF /* VLAN ID is in lower 12 bits */
114 
115 #define E1000_RXDEXT_STATERR_CE 0x01000000
116 #define E1000_RXDEXT_STATERR_SE 0x02000000
117 #define E1000_RXDEXT_STATERR_SEQ 0x04000000
118 #define E1000_RXDEXT_STATERR_CXE 0x10000000
119 #define E1000_RXDEXT_STATERR_TCPE 0x20000000
120 #define E1000_RXDEXT_STATERR_IPE 0x40000000
121 #define E1000_RXDEXT_STATERR_RXE 0x80000000
122 
123 /* mask to determine if packets should be dropped due to frame errors */
124 #define E1000_RXD_ERR_FRAME_ERR_MASK ( \
125  E1000_RXD_ERR_CE | \
126  E1000_RXD_ERR_SE | \
127  E1000_RXD_ERR_SEQ | \
128  E1000_RXD_ERR_CXE | \
129  E1000_RXD_ERR_RXE)
130 
131 /* Same mask, but for extended and packet split descriptors */
132 #define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \
133  E1000_RXDEXT_STATERR_CE | \
134  E1000_RXDEXT_STATERR_SE | \
135  E1000_RXDEXT_STATERR_SEQ | \
136  E1000_RXDEXT_STATERR_CXE | \
137  E1000_RXDEXT_STATERR_RXE)
138 
139 #define E1000_MRQC_RSS_FIELD_IPV4_TCP 0x00010000
140 #define E1000_MRQC_RSS_FIELD_IPV4 0x00020000
141 #define E1000_MRQC_RSS_FIELD_IPV6_TCP_EX 0x00040000
142 #define E1000_MRQC_RSS_FIELD_IPV6 0x00100000
143 #define E1000_MRQC_RSS_FIELD_IPV6_TCP 0x00200000
144 
145 
146 /* Management Control */
147 #define E1000_MANC_SMBUS_EN 0x00000001 /* SMBus Enabled - RO */
148 #define E1000_MANC_ASF_EN 0x00000002 /* ASF Enabled - RO */
149 #define E1000_MANC_ARP_EN 0x00002000 /* Enable ARP Request Filtering */
150 /* Enable Neighbor Discovery Filtering */
151 #define E1000_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
152 #define E1000_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */
153 /* Enable MAC address filtering */
154 #define E1000_MANC_EN_MAC_ADDR_FILTER 0x00100000
155 /* Enable MNG packets to host memory */
156 #define E1000_MANC_EN_MNG2HOST 0x00200000
157 /* Enable IP address filtering */
158 
159 
160 /* Receive Control */
161 #define E1000_RCTL_EN 0x00000002 /* enable */
162 #define E1000_RCTL_SBP 0x00000004 /* store bad packet */
163 #define E1000_RCTL_UPE 0x00000008 /* unicast promiscuous enable */
164 #define E1000_RCTL_MPE 0x00000010 /* multicast promiscuous enab */
165 #define E1000_RCTL_LPE 0x00000020 /* long packet enable */
166 #define E1000_RCTL_LBM_NO 0x00000000 /* no loopback mode */
167 #define E1000_RCTL_LBM_MAC 0x00000040 /* MAC loopback mode */
168 #define E1000_RCTL_LBM_TCVR 0x000000C0 /* tcvr loopback mode */
169 #define E1000_RCTL_RDMTS_HALF 0x00000000 /* rx desc min threshold size */
170 #define E1000_RCTL_MO_SHIFT 12 /* multicast offset shift */
171 #define E1000_RCTL_BAM 0x00008000 /* broadcast enable */
172 #define E1000_RCTL_SZ_2048 0x00000000 /* rx buffer size 2048 */
173 #define E1000_RCTL_SZ_1024 0x00010000 /* rx buffer size 1024 */
174 #define E1000_RCTL_SZ_512 0x00020000 /* rx buffer size 512 */
175 #define E1000_RCTL_SZ_256 0x00030000 /* rx buffer size 256 */
176 #define E1000_RCTL_VFE 0x00040000 /* vlan filter enable */
177 #define E1000_RCTL_CFIEN 0x00080000 /* canonical form enable */
178 #define E1000_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */
179 
180 /*
181  * Use byte values for the following shift parameters
182  * Usage:
183  * psrctl |= (((ROUNDUP(value0, 128) >> E1000_PSRCTL_BSIZE0_SHIFT) &
184  * E1000_PSRCTL_BSIZE0_MASK) |
185  * ((ROUNDUP(value1, 1024) >> E1000_PSRCTL_BSIZE1_SHIFT) &
186  * E1000_PSRCTL_BSIZE1_MASK) |
187  * ((ROUNDUP(value2, 1024) << E1000_PSRCTL_BSIZE2_SHIFT) &
188  * E1000_PSRCTL_BSIZE2_MASK) |
189  * ((ROUNDUP(value3, 1024) << E1000_PSRCTL_BSIZE3_SHIFT) |;
190  * E1000_PSRCTL_BSIZE3_MASK))
191  * where value0 = [128..16256], default=256
192  * value1 = [1024..64512], default=4096
193  * value2 = [0..64512], default=4096
194  * value3 = [0..64512], default=0
195  */
196 
197 #define E1000_PSRCTL_BSIZE0_MASK 0x0000007F
198 #define E1000_PSRCTL_BSIZE1_MASK 0x00003F00
199 #define E1000_PSRCTL_BSIZE2_MASK 0x003F0000
200 #define E1000_PSRCTL_BSIZE3_MASK 0x3F000000
201 
202 #define E1000_PSRCTL_BSIZE0_SHIFT 7 /* Shift _right_ 7 */
203 #define E1000_PSRCTL_BSIZE1_SHIFT 2 /* Shift _right_ 2 */
204 #define E1000_PSRCTL_BSIZE2_SHIFT 6 /* Shift _left_ 6 */
205 #define E1000_PSRCTL_BSIZE3_SHIFT 14 /* Shift _left_ 14 */
206 
207 /* SWFW_SYNC Definitions */
208 #define E1000_SWFW_EEP_SM 0x1
209 #define E1000_SWFW_PHY0_SM 0x2
210 #define E1000_SWFW_PHY1_SM 0x4
211 
212 /* FACTPS Definitions */
213 /* Device Control */
214 #define E1000_CTRL_FD 0x00000001 /* Full duplex.0=half; 1=full */
215 #define E1000_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master requests */
216 #define E1000_CTRL_LRST 0x00000008 /* Link reset. 0=normal,1=reset */
217 #define E1000_CTRL_ASDE 0x00000020 /* Auto-speed detect enable */
218 #define E1000_CTRL_SLU 0x00000040 /* Set link up (Force Link) */
219 #define E1000_CTRL_ILOS 0x00000080 /* Invert Loss-Of Signal */
220 #define E1000_CTRL_SPD_SEL 0x00000300 /* Speed Select Mask */
221 #define E1000_CTRL_SPD_100 0x00000100 /* Force 100Mb */
222 #define E1000_CTRL_SPD_1000 0x00000200 /* Force 1Gb */
223 #define E1000_CTRL_FRCSPD 0x00000800 /* Force Speed */
224 #define E1000_CTRL_FRCDPX 0x00001000 /* Force Duplex */
225 /* Defined polarity of Dock/Undock indication in SDP[0] */
226 /* Reset both PHY ports, through PHYRST_N pin */
227 /* enable link status from external LINK_0 and LINK_1 pins */
228 #define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
229 #define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
230 #define E1000_CTRL_SWDPIN2 0x00100000 /* SWDPIN 2 value */
231 #define E1000_CTRL_SWDPIN3 0x00200000 /* SWDPIN 3 value */
232 #define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */
233 #define E1000_CTRL_SWDPIO2 0x01000000 /* SWDPIN 2 input or output */
234 #define E1000_CTRL_SWDPIO3 0x02000000 /* SWDPIN 3 input or output */
235 #define E1000_CTRL_RST 0x04000000 /* Global reset */
236 #define E1000_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
237 #define E1000_CTRL_TFCE 0x10000000 /* Transmit flow control enable */
238 #define E1000_CTRL_VME 0x40000000 /* IEEE VLAN mode enable */
239 #define E1000_CTRL_PHY_RST 0x80000000 /* PHY Reset */
240 /* Initiate an interrupt to manageability engine */
241 #define E1000_CTRL_I2C_ENA 0x02000000 /* I2C enable */
242 
243 /* Bit definitions for the Management Data IO (MDIO) and Management Data
244  * Clock (MDC) pins in the Device Control Register.
245  */
246 
247 #define E1000_CONNSW_ENRGSRC 0x4
248 #define E1000_PCS_CFG_PCS_EN 8
249 #define E1000_PCS_LCTL_FLV_LINK_UP 1
250 #define E1000_PCS_LCTL_FSV_100 2
251 #define E1000_PCS_LCTL_FSV_1000 4
252 #define E1000_PCS_LCTL_FDV_FULL 8
253 #define E1000_PCS_LCTL_FSD 0x10
254 #define E1000_PCS_LCTL_FORCE_LINK 0x20
255 #define E1000_PCS_LCTL_FORCE_FCTRL 0x80
256 #define E1000_PCS_LCTL_AN_ENABLE 0x10000
257 #define E1000_PCS_LCTL_AN_RESTART 0x20000
258 #define E1000_PCS_LCTL_AN_TIMEOUT 0x40000
259 #define E1000_ENABLE_SERDES_LOOPBACK 0x0410
260 
261 #define E1000_PCS_LSTS_LINK_OK 1
262 #define E1000_PCS_LSTS_SPEED_100 2
263 #define E1000_PCS_LSTS_SPEED_1000 4
264 #define E1000_PCS_LSTS_DUPLEX_FULL 8
265 #define E1000_PCS_LSTS_SYNK_OK 0x10
266 
267 /* Device Status */
268 #define E1000_STATUS_FD 0x00000001 /* Full duplex.0=half,1=full */
269 #define E1000_STATUS_LU 0x00000002 /* Link up.0=no,1=link */
270 #define E1000_STATUS_FUNC_MASK 0x0000000C /* PCI Function Mask */
271 #define E1000_STATUS_FUNC_SHIFT 2
272 #define E1000_STATUS_FUNC_1 0x00000004 /* Function 1 */
273 #define E1000_STATUS_TXOFF 0x00000010 /* transmission paused */
274 #define E1000_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */
275 #define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */
276 /* Change in Dock/Undock state. Clear on write '0'. */
277 /* Status of Master requests. */
278 #define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000
279 /* BMC external code execution disabled */
280 
281 /* Constants used to intrepret the masked PCI-X bus speed. */
282 
283 #define SPEED_10 10
284 #define SPEED_100 100
285 #define SPEED_1000 1000
286 #define HALF_DUPLEX 1
287 #define FULL_DUPLEX 2
288 
289 
290 #define ADVERTISE_10_HALF 0x0001
291 #define ADVERTISE_10_FULL 0x0002
292 #define ADVERTISE_100_HALF 0x0004
293 #define ADVERTISE_100_FULL 0x0008
294 #define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */
295 #define ADVERTISE_1000_FULL 0x0020
296 
297 /* 1000/H is not supported, nor spec-compliant. */
298 #define E1000_ALL_SPEED_DUPLEX (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
299  ADVERTISE_100_HALF | ADVERTISE_100_FULL | \
300  ADVERTISE_1000_FULL)
301 #define E1000_ALL_NOT_GIG (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
302  ADVERTISE_100_HALF | ADVERTISE_100_FULL)
303 #define E1000_ALL_100_SPEED (ADVERTISE_100_HALF | ADVERTISE_100_FULL)
304 #define E1000_ALL_10_SPEED (ADVERTISE_10_HALF | ADVERTISE_10_FULL)
305 #define E1000_ALL_FULL_DUPLEX (ADVERTISE_10_FULL | ADVERTISE_100_FULL | \
306  ADVERTISE_1000_FULL)
307 #define E1000_ALL_HALF_DUPLEX (ADVERTISE_10_HALF | ADVERTISE_100_HALF)
308 
309 #define AUTONEG_ADVERTISE_SPEED_DEFAULT E1000_ALL_SPEED_DUPLEX
310 
311 /* LED Control */
312 #define E1000_LEDCTL_LED0_MODE_MASK 0x0000000F
313 #define E1000_LEDCTL_LED0_MODE_SHIFT 0
314 #define E1000_LEDCTL_LED0_IVRT 0x00000040
315 #define E1000_LEDCTL_LED0_BLINK 0x00000080
316 
317 #define E1000_LEDCTL_MODE_LED_ON 0xE
318 #define E1000_LEDCTL_MODE_LED_OFF 0xF
319 
320 /* Transmit Descriptor bit definitions */
321 #define E1000_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */
322 #define E1000_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */
323 #define E1000_TXD_CMD_EOP 0x01000000 /* End of Packet */
324 #define E1000_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
325 #define E1000_TXD_CMD_RS 0x08000000 /* Report Status */
326 #define E1000_TXD_CMD_DEXT 0x20000000 /* Descriptor extension (0 = legacy) */
327 #define E1000_TXD_STAT_DD 0x00000001 /* Descriptor Done */
328 /* Extended desc bits for Linksec and timesync */
329 
330 /* Transmit Control */
331 #define E1000_TCTL_EN 0x00000002 /* enable tx */
332 #define E1000_TCTL_PSP 0x00000008 /* pad short packets */
333 #define E1000_TCTL_CT 0x00000ff0 /* collision threshold */
334 #define E1000_TCTL_COLD 0x003ff000 /* collision distance */
335 #define E1000_TCTL_RTLC 0x01000000 /* Re-transmit on late collision */
336 
337 /* Transmit Arbitration Count */
338 
339 /* SerDes Control */
340 #define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400
341 
342 /* Receive Checksum Control */
343 #define E1000_RXCSUM_TUOFL 0x00000200 /* TCP / UDP checksum offload */
344 #define E1000_RXCSUM_IPPCSE 0x00001000 /* IP payload checksum enable */
345 #define E1000_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */
346 
347 /* Header split receive */
348 #define E1000_RFCTL_LEF 0x00040000
349 
350 /* Collision related configuration parameters */
351 #define E1000_COLLISION_THRESHOLD 15
352 #define E1000_CT_SHIFT 4
353 #define E1000_COLLISION_DISTANCE 63
354 #define E1000_COLD_SHIFT 12
355 
356 /* Ethertype field values */
357 #define ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.3ac packet */
358 
359 #define MAX_JUMBO_FRAME_SIZE 0x3F00
360 
361 /* Extended Configuration Control and Size */
362 #define E1000_PHY_CTRL_GBE_DISABLE 0x00000040
363 
364 /* PBA constants */
365 #define E1000_PBA_16K 0x0010 /* 16KB, default TX allocation */
366 #define E1000_PBA_24K 0x0018
367 #define E1000_PBA_34K 0x0022
368 #define E1000_PBA_64K 0x0040 /* 64KB */
369 
370 #define IFS_MAX 80
371 #define IFS_MIN 40
372 #define IFS_RATIO 4
373 #define IFS_STEP 10
374 #define MIN_NUM_XMITS 1000
375 
376 /* SW Semaphore Register */
377 #define E1000_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */
378 #define E1000_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */
379 
380 /* Interrupt Cause Read */
381 #define E1000_ICR_TXDW 0x00000001 /* Transmit desc written back */
382 #define E1000_ICR_TXQE 0x00000002 /* Transmit Queue empty */
383 #define E1000_ICR_LSC 0x00000004 /* Link Status Change */
384 #define E1000_ICR_RXSEQ 0x00000008 /* rx sequence error */
385 #define E1000_ICR_RXDMT0 0x00000010 /* rx desc min. threshold (0) */
386 #define E1000_ICR_RXO 0x00000040 /* rx overrun */
387 #define E1000_ICR_RXT0 0x00000080 /* rx timer intr (ring 0) */
388 #define E1000_ICR_MDAC 0x00000200 /* MDIO access complete */
389 #define E1000_ICR_RXCFG 0x00000400 /* Rx /c/ ordered set */
390 #define E1000_ICR_GPI_EN0 0x00000800 /* GP Int 0 */
391 #define E1000_ICR_GPI_EN1 0x00001000 /* GP Int 1 */
392 #define E1000_ICR_GPI_EN2 0x00002000 /* GP Int 2 */
393 #define E1000_ICR_GPI_EN3 0x00004000 /* GP Int 3 */
394 #define E1000_ICR_TXD_LOW 0x00008000
395 #define E1000_ICR_SRPD 0x00010000
396 #define E1000_ICR_ACK 0x00020000 /* Receive Ack frame */
397 #define E1000_ICR_MNG 0x00040000 /* Manageability event */
398 #define E1000_ICR_DOCK 0x00080000 /* Dock/Undock */
399 /* If this bit asserted, the driver should claim the interrupt */
400 #define E1000_ICR_INT_ASSERTED 0x80000000
401 /* queue 0 Rx descriptor FIFO parity error */
402 #define E1000_ICR_RXD_FIFO_PAR0 0x00100000
403 /* queue 0 Tx descriptor FIFO parity error */
404 #define E1000_ICR_TXD_FIFO_PAR0 0x00200000
405 /* host arb read buffer parity error */
406 #define E1000_ICR_HOST_ARB_PAR 0x00400000
407 #define E1000_ICR_PB_PAR 0x00800000 /* packet buffer parity error */
408 /* queue 1 Rx descriptor FIFO parity error */
409 #define E1000_ICR_RXD_FIFO_PAR1 0x01000000
410 /* queue 1 Tx descriptor FIFO parity error */
411 #define E1000_ICR_TXD_FIFO_PAR1 0x02000000
412 /* FW changed the status of DISSW bit in the FWSM */
413 #define E1000_ICR_DSW 0x00000020
414 /* LAN connected device generates an interrupt */
415 #define E1000_ICR_PHYINT 0x00001000
416 #define E1000_ICR_EPRST 0x00100000 /* ME handware reset occurs */
417 
418 /* Extended Interrupt Cause Read */
419 #define E1000_EICR_RX_QUEUE0 0x00000001 /* Rx Queue 0 Interrupt */
420 #define E1000_EICR_RX_QUEUE1 0x00000002 /* Rx Queue 1 Interrupt */
421 #define E1000_EICR_RX_QUEUE2 0x00000004 /* Rx Queue 2 Interrupt */
422 #define E1000_EICR_RX_QUEUE3 0x00000008 /* Rx Queue 3 Interrupt */
423 #define E1000_EICR_TX_QUEUE0 0x00000100 /* Tx Queue 0 Interrupt */
424 #define E1000_EICR_TX_QUEUE1 0x00000200 /* Tx Queue 1 Interrupt */
425 #define E1000_EICR_TX_QUEUE2 0x00000400 /* Tx Queue 2 Interrupt */
426 #define E1000_EICR_TX_QUEUE3 0x00000800 /* Tx Queue 3 Interrupt */
427 #define E1000_EICR_TCP_TIMER 0x40000000 /* TCP Timer */
428 #define E1000_EICR_OTHER 0x80000000 /* Interrupt Cause Active */
429 /* TCP Timer */
430 
431 /*
432  * This defines the bits that are set in the Interrupt Mask
433  * Set/Read Register. Each bit is documented below:
434  * o RXT0 = Receiver Timer Interrupt (ring 0)
435  * o TXDW = Transmit Descriptor Written Back
436  * o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
437  * o RXSEQ = Receive Sequence Error
438  * o LSC = Link Status Change
439  */
440 #define IMS_ENABLE_MASK ( \
441  E1000_IMS_RXT0 | \
442  E1000_IMS_TXDW | \
443  E1000_IMS_RXDMT0 | \
444  E1000_IMS_RXSEQ | \
445  E1000_IMS_LSC)
446 
447 /* Interrupt Mask Set */
448 #define E1000_IMS_TXDW E1000_ICR_TXDW /* Transmit desc written back */
449 #define E1000_IMS_LSC E1000_ICR_LSC /* Link Status Change */
450 #define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* rx sequence error */
451 #define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* rx desc min. threshold */
452 #define E1000_IMS_RXT0 E1000_ICR_RXT0 /* rx timer intr */
453 
454 /* Extended Interrupt Mask Set */
455 #define E1000_EIMS_TCP_TIMER E1000_EICR_TCP_TIMER /* TCP Timer */
456 #define E1000_EIMS_OTHER E1000_EICR_OTHER /* Interrupt Cause Active */
457 
458 /* Interrupt Cause Set */
459 #define E1000_ICS_LSC E1000_ICR_LSC /* Link Status Change */
460 #define E1000_ICS_RXDMT0 E1000_ICR_RXDMT0 /* rx desc min. threshold */
461 
462 /* Extended Interrupt Cause Set */
463 
464 /* Transmit Descriptor Control */
465 /* Enable the counting of descriptors still to be processed. */
466 
467 /* Flow Control Constants */
468 #define FLOW_CONTROL_ADDRESS_LOW 0x00C28001
469 #define FLOW_CONTROL_ADDRESS_HIGH 0x00000100
470 #define FLOW_CONTROL_TYPE 0x8808
471 
472 /* 802.1q VLAN Packet Size */
473 #define VLAN_TAG_SIZE 4 /* 802.3ac tag (not DMA'd) */
474 #define E1000_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */
475 
476 /* Receive Address */
477 /*
478  * Number of high/low register pairs in the RAR. The RAR (Receive Address
479  * Registers) holds the directed and multicast addresses that we monitor.
480  * Technically, we have 16 spots. However, we reserve one of these spots
481  * (RAR[15]) for our directed address used by controllers with
482  * manageability enabled, allowing us room for 15 multicast addresses.
483  */
484 #define E1000_RAH_AV 0x80000000 /* Receive descriptor valid */
485 
486 /* Error Codes */
487 #define E1000_ERR_NVM 1
488 #define E1000_ERR_PHY 2
489 #define E1000_ERR_CONFIG 3
490 #define E1000_ERR_PARAM 4
491 #define E1000_ERR_MAC_INIT 5
492 #define E1000_ERR_RESET 9
493 #define E1000_ERR_MASTER_REQUESTS_PENDING 10
494 #define E1000_ERR_HOST_INTERFACE_COMMAND 11
495 #define E1000_BLK_PHY_RESET 12
496 #define E1000_ERR_SWFW_SYNC 13
497 #define E1000_NOT_IMPLEMENTED 14
498 
499 /* Loop limit on how long we wait for auto-negotiation to complete */
500 #define COPPER_LINK_UP_LIMIT 10
501 #define PHY_AUTO_NEG_LIMIT 45
502 #define PHY_FORCE_LIMIT 20
503 /* Number of 100 microseconds we wait for PCI Express master disable */
504 #define MASTER_DISABLE_TIMEOUT 800
505 /* Number of milliseconds we wait for PHY configuration done after MAC reset */
506 #define PHY_CFG_TIMEOUT 100
507 /* Number of 2 milliseconds we wait for acquiring MDIO ownership. */
508 /* Number of milliseconds for NVM auto read done after MAC reset. */
509 #define AUTO_READ_DONE_TIMEOUT 10
510 
511 /* Flow Control */
512 #define E1000_FCRTL_XONE 0x80000000 /* Enable XON frame transmission */
513 
514 /* Transmit Configuration Word */
515 #define E1000_TXCW_ANE 0x80000000 /* Auto-neg enable */
516 
517 /* Receive Configuration Word */
518 
519 /* PCI Express Control */
520 #define E1000_GCR_RXD_NO_SNOOP 0x00000001
521 #define E1000_GCR_RXDSCW_NO_SNOOP 0x00000002
522 #define E1000_GCR_RXDSCR_NO_SNOOP 0x00000004
523 #define E1000_GCR_TXD_NO_SNOOP 0x00000008
524 #define E1000_GCR_TXDSCW_NO_SNOOP 0x00000010
525 #define E1000_GCR_TXDSCR_NO_SNOOP 0x00000020
526 
527 #define PCIE_NO_SNOOP_ALL (E1000_GCR_RXD_NO_SNOOP | \
528  E1000_GCR_RXDSCW_NO_SNOOP | \
529  E1000_GCR_RXDSCR_NO_SNOOP | \
530  E1000_GCR_TXD_NO_SNOOP | \
531  E1000_GCR_TXDSCW_NO_SNOOP | \
532  E1000_GCR_TXDSCR_NO_SNOOP)
533 
534 /* PHY Control Register */
535 #define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */
536 #define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */
537 #define MII_CR_POWER_DOWN 0x0800 /* Power down */
538 #define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */
539 #define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
540 #define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
541 #define MII_CR_SPEED_1000 0x0040
542 #define MII_CR_SPEED_100 0x2000
543 #define MII_CR_SPEED_10 0x0000
544 
545 /* PHY Status Register */
546 #define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */
547 #define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */
548 
549 /* Autoneg Advertisement Register */
550 #define NWAY_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */
551 #define NWAY_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */
552 #define NWAY_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */
553 #define NWAY_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */
554 #define NWAY_AR_PAUSE 0x0400 /* Pause operation desired */
555 #define NWAY_AR_ASM_DIR 0x0800 /* Asymmetric Pause Direction bit */
556 
557 /* Link Partner Ability Register (Base Page) */
558 #define NWAY_LPAR_PAUSE 0x0400 /* LP Pause operation desired */
559 #define NWAY_LPAR_ASM_DIR 0x0800 /* LP Asymmetric Pause Direction bit */
560 
561 /* Autoneg Expansion Register */
562 
563 /* 1000BASE-T Control Register */
564 #define CR_1000T_HD_CAPS 0x0100 /* Advertise 1000T HD capability */
565 #define CR_1000T_FD_CAPS 0x0200 /* Advertise 1000T FD capability */
566 #define CR_1000T_MS_VALUE 0x0800 /* 1=Configure PHY as Master */
567  /* 0=Configure PHY as Slave */
568 #define CR_1000T_MS_ENABLE 0x1000 /* 1=Master/Slave manual config value */
569  /* 0=Automatic Master/Slave config */
570 
571 /* 1000BASE-T Status Register */
572 #define SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */
573 #define SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */
574 
575 
576 /* PHY 1000 MII Register/Bit Definitions */
577 /* PHY Registers defined by IEEE */
578 #define PHY_CONTROL 0x00 /* Control Register */
579 #define PHY_STATUS 0x01 /* Status Register */
580 #define PHY_ID1 0x02 /* Phy Id Reg (word 1) */
581 #define PHY_ID2 0x03 /* Phy Id Reg (word 2) */
582 #define PHY_AUTONEG_ADV 0x04 /* Autoneg Advertisement */
583 #define PHY_LP_ABILITY 0x05 /* Link Partner Ability (Base Page) */
584 #define PHY_1000T_CTRL 0x09 /* 1000Base-T Control Reg */
585 #define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */
586 
587 /* NVM Control */
588 #define E1000_EECD_SK 0x00000001 /* NVM Clock */
589 #define E1000_EECD_CS 0x00000002 /* NVM Chip Select */
590 #define E1000_EECD_DI 0x00000004 /* NVM Data In */
591 #define E1000_EECD_DO 0x00000008 /* NVM Data Out */
592 #define E1000_EECD_REQ 0x00000040 /* NVM Access Request */
593 #define E1000_EECD_GNT 0x00000080 /* NVM Access Grant */
594 #define E1000_EECD_PRES 0x00000100 /* NVM Present */
595 /* NVM Addressing bits based on type 0=small, 1=large */
596 #define E1000_EECD_ADDR_BITS 0x00000400
597 #define E1000_NVM_GRANT_ATTEMPTS 1000 /* NVM # attempts to gain grant */
598 #define E1000_EECD_AUTO_RD 0x00000200 /* NVM Auto Read done */
599 #define E1000_EECD_SIZE_EX_MASK 0x00007800 /* NVM Size */
600 #define E1000_EECD_SIZE_EX_SHIFT 11
601 
602 /* Offset to data in NVM read/write registers */
603 #define E1000_NVM_RW_REG_DATA 16
604 #define E1000_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */
605 #define E1000_NVM_RW_REG_START 1 /* Start operation */
606 #define E1000_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */
607 #define E1000_NVM_POLL_READ 0 /* Flag for polling for read complete */
608 
609 /* NVM Word Offsets */
610 #define NVM_ID_LED_SETTINGS 0x0004
611 /* For SERDES output amplitude adjustment. */
612 #define NVM_INIT_CONTROL2_REG 0x000F
613 #define NVM_INIT_CONTROL3_PORT_A 0x0024
614 #define NVM_ALT_MAC_ADDR_PTR 0x0037
615 #define NVM_CHECKSUM_REG 0x003F
616 
617 #define E1000_NVM_CFG_DONE_PORT_0 0x40000 /* MNG config cycle done */
618 #define E1000_NVM_CFG_DONE_PORT_1 0x80000 /* ...for second port */
619 
620 /* Mask bits for fields in Word 0x0f of the NVM */
621 #define NVM_WORD0F_PAUSE_MASK 0x3000
622 #define NVM_WORD0F_ASM_DIR 0x2000
623 
624 /* Mask bits for fields in Word 0x1a of the NVM */
625 
626 /* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
627 #define NVM_SUM 0xBABA
628 
629 #define NVM_PBA_OFFSET_0 8
630 #define NVM_PBA_OFFSET_1 9
631 #define NVM_WORD_SIZE_BASE_SHIFT 6
632 
633 /* NVM Commands - Microwire */
634 
635 /* NVM Commands - SPI */
636 #define NVM_MAX_RETRY_SPI 5000 /* Max wait of 5ms, for RDY signal */
637 #define NVM_WRITE_OPCODE_SPI 0x02 /* NVM write opcode */
638 #define NVM_A8_OPCODE_SPI 0x08 /* opcode bit-3 = address bit-8 */
639 #define NVM_WREN_OPCODE_SPI 0x06 /* NVM set Write Enable latch */
640 #define NVM_RDSR_OPCODE_SPI 0x05 /* NVM read Status register */
641 
642 /* SPI NVM Status Register */
643 #define NVM_STATUS_RDY_SPI 0x01
644 
645 /* Word definitions for ID LED Settings */
646 #define ID_LED_RESERVED_0000 0x0000
647 #define ID_LED_RESERVED_FFFF 0xFFFF
648 #define ID_LED_DEFAULT ((ID_LED_OFF1_ON2 << 12) | \
649  (ID_LED_OFF1_OFF2 << 8) | \
650  (ID_LED_DEF1_DEF2 << 4) | \
651  (ID_LED_DEF1_DEF2))
652 #define ID_LED_DEF1_DEF2 0x1
653 #define ID_LED_DEF1_ON2 0x2
654 #define ID_LED_DEF1_OFF2 0x3
655 #define ID_LED_ON1_DEF2 0x4
656 #define ID_LED_ON1_ON2 0x5
657 #define ID_LED_ON1_OFF2 0x6
658 #define ID_LED_OFF1_DEF2 0x7
659 #define ID_LED_OFF1_ON2 0x8
660 #define ID_LED_OFF1_OFF2 0x9
661 
662 #define IGP_ACTIVITY_LED_MASK 0xFFFFF0FF
663 #define IGP_ACTIVITY_LED_ENABLE 0x0300
664 #define IGP_LED3_MODE 0x07000000
665 
666 /* PCI/PCI-X/PCI-EX Config space */
667 #define PCI_HEADER_TYPE_REGISTER 0x0E
668 #define PCIE_LINK_STATUS 0x12
669 
670 #define PCI_HEADER_TYPE_MULTIFUNC 0x80
671 #define PCIE_LINK_WIDTH_MASK 0x3F0
672 #define PCIE_LINK_WIDTH_SHIFT 4
673 
674 #define PHY_REVISION_MASK 0xFFFFFFF0
675 #define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */
676 #define MAX_PHY_MULTI_PAGE_REG 0xF
677 
678 /* Bit definitions for valid PHY IDs. */
679 /*
680  * I = Integrated
681  * E = External
682  */
683 #define M88E1111_I_PHY_ID 0x01410CC0
684 #define IGP03E1000_E_PHY_ID 0x02A80390
685 #define M88_VENDOR 0x0141
686 
687 /* M88E1000 Specific Registers */
688 #define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */
689 #define M88E1000_PHY_SPEC_STATUS 0x11 /* PHY Specific Status Register */
690 #define M88E1000_EXT_PHY_SPEC_CTRL 0x14 /* Extended PHY Specific Control */
691 
692 #define M88E1000_PHY_PAGE_SELECT 0x1D /* Reg 29 for page number setting */
693 #define M88E1000_PHY_GEN_CONTROL 0x1E /* Its meaning depends on reg 29 */
694 
695 /* M88E1000 PHY Specific Control Register */
696 #define M88E1000_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */
697 /* 1=CLK125 low, 0=CLK125 toggling */
698 #define M88E1000_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */
699  /* Manual MDI configuration */
700 #define M88E1000_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */
701 /* 1000BASE-T: Auto crossover, 100BASE-TX/10BASE-T: MDI Mode */
702 #define M88E1000_PSCR_AUTO_X_1000T 0x0040
703 /* Auto crossover enabled all speeds */
704 #define M88E1000_PSCR_AUTO_X_MODE 0x0060
705 /*
706  * 1=Enable Extended 10BASE-T distance (Lower 10BASE-T Rx Threshold
707  * 0=Normal 10BASE-T Rx Threshold
708  */
709 /* 1=5-bit interface in 100BASE-TX, 0=MII interface in 100BASE-TX */
710 #define M88E1000_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
711 
712 /* M88E1000 PHY Specific Status Register */
713 #define M88E1000_PSSR_REV_POLARITY 0x0002 /* 1=Polarity reversed */
714 #define M88E1000_PSSR_DOWNSHIFT 0x0020 /* 1=Downshifted */
715 #define M88E1000_PSSR_MDIX 0x0040 /* 1=MDIX; 0=MDI */
716 /*
717  * 0 = <50M
718  * 1 = 50-80M
719  * 2 = 80-110M
720  * 3 = 110-140M
721  * 4 = >140M
722  */
723 #define M88E1000_PSSR_CABLE_LENGTH 0x0380
724 #define M88E1000_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */
725 #define M88E1000_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
726 
727 #define M88E1000_PSSR_CABLE_LENGTH_SHIFT 7
728 
729 /* M88E1000 Extended PHY Specific Control Register */
730 /*
731  * 1 = Lost lock detect enabled.
732  * Will assert lost lock and bring
733  * link down if idle not seen
734  * within 1ms in 1000BASE-T
735  */
736 /*
737  * Number of times we will attempt to autonegotiate before downshifting if we
738  * are the master
739  */
740 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00
741 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_1X 0x0000
742 /*
743  * Number of times we will attempt to autonegotiate before downshifting if we
744  * are the slave
745  */
746 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK 0x0300
747 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X 0x0100
748 #define M88E1000_EPSCR_TX_CLK_25 0x0070 /* 25 MHz TX_CLK */
749 
750 /* M88EC018 Rev 2 specific DownShift settings */
751 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK 0x0E00
752 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X 0x0800
753 
754 /* MDI Control */
755 #define E1000_MDIC_REG_SHIFT 16
756 #define E1000_MDIC_PHY_SHIFT 21
757 #define E1000_MDIC_OP_WRITE 0x04000000
758 #define E1000_MDIC_OP_READ 0x08000000
759 #define E1000_MDIC_READY 0x10000000
760 #define E1000_MDIC_ERROR 0x40000000
761 
762 /* SerDes Control */
763 #define E1000_GEN_CTL_READY 0x80000000
764 #define E1000_GEN_CTL_ADDRESS_SHIFT 8
765 #define E1000_GEN_POLL_TIMEOUT 640
766 
767 #endif