xref: /openbmc/u-boot/drivers/net/e1000.h (revision 7d9b5bae)
1 /*******************************************************************************
2 
3 
4   Copyright(c) 1999 - 2002 Intel Corporation. All rights reserved.
5 
6   This program is free software; you can redistribute it and/or modify it
7   under the terms of the GNU General Public License as published by the Free
8   Software Foundation; either version 2 of the License, or (at your option)
9   any later version.
10 
11   This program is distributed in the hope that 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., 59
18   Temple Place - Suite 330, Boston, MA	02111-1307, USA.
19 
20   The full GNU General Public License is included in this distribution in the
21   file called LICENSE.
22 
23   Contact Information:
24   Linux NICS <linux.nics@intel.com>
25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 
27 *******************************************************************************/
28 
29 /* e1000_hw.h
30  * Structures, enums, and macros for the MAC
31  */
32 
33 #ifndef _E1000_HW_H_
34 #define _E1000_HW_H_
35 
36 #include <common.h>
37 #include <malloc.h>
38 #include <net.h>
39 #include <netdev.h>
40 #include <asm/io.h>
41 #include <pci.h>
42 
43 #define E1000_ERR(args...) printf("e1000: " args)
44 
45 #ifdef E1000_DEBUG
46 #define E1000_DBG(args...)	printf("e1000: " args)
47 #define DEBUGOUT(fmt,args...) printf(fmt ,##args)
48 #define DEBUGFUNC()	   printf("%s\n", __FUNCTION__);
49 #else
50 #define E1000_DBG(args...)
51 #define DEBUGFUNC()
52 #define DEBUGOUT(fmt,args...)
53 #endif
54 
55 /* Forward declarations of structures used by the shared code */
56 struct e1000_hw;
57 struct e1000_hw_stats;
58 
59 typedef enum {
60 	FALSE = 0,
61 	TRUE = 1
62 } boolean_t;
63 
64 /* Enumerated types specific to the e1000 hardware */
65 /* Media Access Controlers */
66 typedef enum {
67 	e1000_undefined = 0,
68 	e1000_82542_rev2_0,
69 	e1000_82542_rev2_1,
70 	e1000_82543,
71 	e1000_82544,
72 	e1000_82540,
73 	e1000_82545,
74 	e1000_82546,
75 	e1000_82541,
76 	e1000_82541_rev_2,
77 	e1000_num_macs
78 } e1000_mac_type;
79 
80 /* Media Types */
81 typedef enum {
82 	e1000_media_type_copper = 0,
83 	e1000_media_type_fiber = 1,
84 	e1000_num_media_types
85 } e1000_media_type;
86 
87 typedef enum {
88 	e1000_10_half = 0,
89 	e1000_10_full = 1,
90 	e1000_100_half = 2,
91 	e1000_100_full = 3
92 } e1000_speed_duplex_type;
93 
94 typedef enum {
95 	e1000_lan_a = 0,
96 	e1000_lan_b = 1
97 } e1000_lan_loc;
98 
99 /* Flow Control Settings */
100 typedef enum {
101 	e1000_fc_none = 0,
102 	e1000_fc_rx_pause = 1,
103 	e1000_fc_tx_pause = 2,
104 	e1000_fc_full = 3,
105 	e1000_fc_default = 0xFF
106 } e1000_fc_type;
107 
108 /* PCI bus types */
109 typedef enum {
110 	e1000_bus_type_unknown = 0,
111 	e1000_bus_type_pci,
112 	e1000_bus_type_pcix
113 } e1000_bus_type;
114 
115 /* PCI bus speeds */
116 typedef enum {
117 	e1000_bus_speed_unknown = 0,
118 	e1000_bus_speed_33,
119 	e1000_bus_speed_66,
120 	e1000_bus_speed_100,
121 	e1000_bus_speed_133,
122 	e1000_bus_speed_reserved
123 } e1000_bus_speed;
124 
125 /* PCI bus widths */
126 typedef enum {
127 	e1000_bus_width_unknown = 0,
128 	e1000_bus_width_32,
129 	e1000_bus_width_64
130 } e1000_bus_width;
131 
132 /* PHY status info structure and supporting enums */
133 typedef enum {
134 	e1000_cable_length_50 = 0,
135 	e1000_cable_length_50_80,
136 	e1000_cable_length_80_110,
137 	e1000_cable_length_110_140,
138 	e1000_cable_length_140,
139 	e1000_cable_length_undefined = 0xFF
140 } e1000_cable_length;
141 
142 typedef enum {
143 	e1000_10bt_ext_dist_enable_normal = 0,
144 	e1000_10bt_ext_dist_enable_lower,
145 	e1000_10bt_ext_dist_enable_undefined = 0xFF
146 } e1000_10bt_ext_dist_enable;
147 
148 typedef enum {
149 	e1000_rev_polarity_normal = 0,
150 	e1000_rev_polarity_reversed,
151 	e1000_rev_polarity_undefined = 0xFF
152 } e1000_rev_polarity;
153 
154 typedef enum {
155 	e1000_polarity_reversal_enabled = 0,
156 	e1000_polarity_reversal_disabled,
157 	e1000_polarity_reversal_undefined = 0xFF
158 } e1000_polarity_reversal;
159 
160 typedef enum {
161 	e1000_auto_x_mode_manual_mdi = 0,
162 	e1000_auto_x_mode_manual_mdix,
163 	e1000_auto_x_mode_auto1,
164 	e1000_auto_x_mode_auto2,
165 	e1000_auto_x_mode_undefined = 0xFF
166 } e1000_auto_x_mode;
167 
168 typedef enum {
169 	e1000_1000t_rx_status_not_ok = 0,
170 	e1000_1000t_rx_status_ok,
171 	e1000_1000t_rx_status_undefined = 0xFF
172 } e1000_1000t_rx_status;
173 
174 typedef enum {
175     e1000_phy_m88 = 0,
176     e1000_phy_igp,
177     e1000_phy_igp_2,
178     e1000_phy_undefined = 0xFF
179 } e1000_phy_type;
180 
181 struct e1000_phy_info {
182 	e1000_cable_length cable_length;
183 	e1000_10bt_ext_dist_enable extended_10bt_distance;
184 	e1000_rev_polarity cable_polarity;
185 	e1000_polarity_reversal polarity_correction;
186 	e1000_auto_x_mode mdix_mode;
187 	e1000_1000t_rx_status local_rx;
188 	e1000_1000t_rx_status remote_rx;
189 };
190 
191 struct e1000_phy_stats {
192 	uint32_t idle_errors;
193 	uint32_t receive_errors;
194 };
195 
196 /* Error Codes */
197 #define E1000_SUCCESS				0
198 #define E1000_ERR_EEPROM			1
199 #define E1000_ERR_PHY				2
200 #define E1000_ERR_CONFIG			3
201 #define E1000_ERR_PARAM				4
202 #define E1000_ERR_MAC_TYPE			5
203 #define E1000_ERR_PHY_TYPE			6
204 #define E1000_ERR_NOLINK			7
205 #define E1000_ERR_TIMEOUT			8
206 #define E1000_ERR_RESET				9
207 #define E1000_ERR_MASTER_REQUESTS_PENDING	10
208 #define E1000_ERR_HOST_INTERFACE_COMMAND	11
209 #define E1000_BLK_PHY_RESET			12
210 
211 /* PCI Device IDs */
212 #define E1000_DEV_ID_82542	    0x1000
213 #define E1000_DEV_ID_82543GC_FIBER  0x1001
214 #define E1000_DEV_ID_82543GC_COPPER 0x1004
215 #define E1000_DEV_ID_82544EI_COPPER 0x1008
216 #define E1000_DEV_ID_82544EI_FIBER  0x1009
217 #define E1000_DEV_ID_82544GC_COPPER 0x100C
218 #define E1000_DEV_ID_82544GC_LOM    0x100D
219 #define E1000_DEV_ID_82540EM	    0x100E
220 #define E1000_DEV_ID_82540EM_LOM    0x1015
221 #define E1000_DEV_ID_82545GM_COPPER 0x1026
222 #define E1000_DEV_ID_82545EM_COPPER 0x100F
223 #define E1000_DEV_ID_82545EM_FIBER  0x1011
224 #define E1000_DEV_ID_82546EB_COPPER 0x1010
225 #define E1000_DEV_ID_82546EB_FIBER  0x1012
226 #define E1000_DEV_ID_82541ER	    0x1078
227 #define E1000_DEV_ID_82541GI_LF	    0x107C
228 #define NUM_DEV_IDS 16
229 
230 #define NODE_ADDRESS_SIZE 6
231 #define ETH_LENGTH_OF_ADDRESS 6
232 
233 /* MAC decode size is 128K - This is the size of BAR0 */
234 #define MAC_DECODE_SIZE (128 * 1024)
235 
236 #define E1000_82542_2_0_REV_ID 2
237 #define E1000_82542_2_1_REV_ID 3
238 
239 #define SPEED_10    10
240 #define SPEED_100   100
241 #define SPEED_1000  1000
242 #define HALF_DUPLEX 1
243 #define FULL_DUPLEX 2
244 
245 /* The sizes (in bytes) of a ethernet packet */
246 #define ENET_HEADER_SIZE	     14
247 #define MAXIMUM_ETHERNET_FRAME_SIZE  1518	/* With FCS */
248 #define MINIMUM_ETHERNET_FRAME_SIZE  64	/* With FCS */
249 #define ETHERNET_FCS_SIZE	     4
250 #define MAXIMUM_ETHERNET_PACKET_SIZE \
251     (MAXIMUM_ETHERNET_FRAME_SIZE - ETHERNET_FCS_SIZE)
252 #define MINIMUM_ETHERNET_PACKET_SIZE \
253     (MINIMUM_ETHERNET_FRAME_SIZE - ETHERNET_FCS_SIZE)
254 #define CRC_LENGTH		     ETHERNET_FCS_SIZE
255 #define MAX_JUMBO_FRAME_SIZE	     0x3F00
256 
257 /* 802.1q VLAN Packet Sizes */
258 #define VLAN_TAG_SIZE			  4	/* 802.3ac tag (not DMAed) */
259 
260 /* Ethertype field values */
261 #define ETHERNET_IEEE_VLAN_TYPE 0x8100	/* 802.3ac packet */
262 #define ETHERNET_IP_TYPE	0x0800	/* IP packets */
263 #define ETHERNET_ARP_TYPE	0x0806	/* Address Resolution Protocol (ARP) */
264 
265 /* Packet Header defines */
266 #define IP_PROTOCOL_TCP    6
267 #define IP_PROTOCOL_UDP    0x11
268 
269 /* This defines the bits that are set in the Interrupt Mask
270  * Set/Read Register.  Each bit is documented below:
271  *   o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
272  *   o RXSEQ  = Receive Sequence Error
273  */
274 #define POLL_IMS_ENABLE_MASK ( \
275     E1000_IMS_RXDMT0 |	       \
276     E1000_IMS_RXSEQ)
277 
278 /* This defines the bits that are set in the Interrupt Mask
279  * Set/Read Register.  Each bit is documented below:
280  *   o RXT0   = Receiver Timer Interrupt (ring 0)
281  *   o TXDW   = Transmit Descriptor Written Back
282  *   o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
283  *   o RXSEQ  = Receive Sequence Error
284  *   o LSC    = Link Status Change
285  */
286 #define IMS_ENABLE_MASK ( \
287     E1000_IMS_RXT0   |	  \
288     E1000_IMS_TXDW   |	  \
289     E1000_IMS_RXDMT0 |	  \
290     E1000_IMS_RXSEQ  |	  \
291     E1000_IMS_LSC)
292 
293 /* The number of high/low register pairs in the RAR. The RAR (Receive Address
294  * Registers) holds the directed and multicast addresses that we monitor. We
295  * reserve one of these spots for our directed address, allowing us room for
296  * E1000_RAR_ENTRIES - 1 multicast addresses.
297  */
298 #define E1000_RAR_ENTRIES 16
299 
300 #define MIN_NUMBER_OF_DESCRIPTORS 8
301 #define MAX_NUMBER_OF_DESCRIPTORS 0xFFF8
302 
303 /* Receive Descriptor */
304 struct e1000_rx_desc {
305 	uint64_t buffer_addr;	/* Address of the descriptor's data buffer */
306 	uint16_t length;	/* Length of data DMAed into data buffer */
307 	uint16_t csum;		/* Packet checksum */
308 	uint8_t status;		/* Descriptor status */
309 	uint8_t errors;		/* Descriptor Errors */
310 	uint16_t special;
311 };
312 
313 /* Receive Decriptor bit definitions */
314 #define E1000_RXD_STAT_DD	0x01	/* Descriptor Done */
315 #define E1000_RXD_STAT_EOP	0x02	/* End of Packet */
316 #define E1000_RXD_STAT_IXSM	0x04	/* Ignore checksum */
317 #define E1000_RXD_STAT_VP	0x08	/* IEEE VLAN Packet */
318 #define E1000_RXD_STAT_TCPCS	0x20	/* TCP xsum calculated */
319 #define E1000_RXD_STAT_IPCS	0x40	/* IP xsum calculated */
320 #define E1000_RXD_STAT_PIF	0x80	/* passed in-exact filter */
321 #define E1000_RXD_ERR_CE	0x01	/* CRC Error */
322 #define E1000_RXD_ERR_SE	0x02	/* Symbol Error */
323 #define E1000_RXD_ERR_SEQ	0x04	/* Sequence Error */
324 #define E1000_RXD_ERR_CXE	0x10	/* Carrier Extension Error */
325 #define E1000_RXD_ERR_TCPE	0x20	/* TCP/UDP Checksum Error */
326 #define E1000_RXD_ERR_IPE	0x40	/* IP Checksum Error */
327 #define E1000_RXD_ERR_RXE	0x80	/* Rx Data Error */
328 #define E1000_RXD_SPC_VLAN_MASK 0x0FFF	/* VLAN ID is in lower 12 bits */
329 #define E1000_RXD_SPC_PRI_MASK	0xE000	/* Priority is in upper 3 bits */
330 #define E1000_RXD_SPC_PRI_SHIFT 0x000D	/* Priority is in upper 3 of 16 */
331 #define E1000_RXD_SPC_CFI_MASK	0x1000	/* CFI is bit 12 */
332 #define E1000_RXD_SPC_CFI_SHIFT 0x000C	/* CFI is bit 12 */
333 
334 /* mask to determine if packets should be dropped due to frame errors */
335 #define E1000_RXD_ERR_FRAME_ERR_MASK ( \
336     E1000_RXD_ERR_CE  |		       \
337     E1000_RXD_ERR_SE  |		       \
338     E1000_RXD_ERR_SEQ |		       \
339     E1000_RXD_ERR_CXE |		       \
340     E1000_RXD_ERR_RXE)
341 
342 /* Transmit Descriptor */
343 struct e1000_tx_desc {
344 	uint64_t buffer_addr;	/* Address of the descriptor's data buffer */
345 	union {
346 		uint32_t data;
347 		struct {
348 			uint16_t length;	/* Data buffer length */
349 			uint8_t cso;	/* Checksum offset */
350 			uint8_t cmd;	/* Descriptor control */
351 		} flags;
352 	} lower;
353 	union {
354 		uint32_t data;
355 		struct {
356 			uint8_t status;	/* Descriptor status */
357 			uint8_t css;	/* Checksum start */
358 			uint16_t special;
359 		} fields;
360 	} upper;
361 };
362 
363 /* Transmit Descriptor bit definitions */
364 #define E1000_TXD_DTYP_D     0x00100000	/* Data Descriptor */
365 #define E1000_TXD_DTYP_C     0x00000000	/* Context Descriptor */
366 #define E1000_TXD_POPTS_IXSM 0x01	/* Insert IP checksum */
367 #define E1000_TXD_POPTS_TXSM 0x02	/* Insert TCP/UDP checksum */
368 #define E1000_TXD_CMD_EOP    0x01000000	/* End of Packet */
369 #define E1000_TXD_CMD_IFCS   0x02000000	/* Insert FCS (Ethernet CRC) */
370 #define E1000_TXD_CMD_IC     0x04000000	/* Insert Checksum */
371 #define E1000_TXD_CMD_RS     0x08000000	/* Report Status */
372 #define E1000_TXD_CMD_RPS    0x10000000	/* Report Packet Sent */
373 #define E1000_TXD_CMD_DEXT   0x20000000	/* Descriptor extension (0 = legacy) */
374 #define E1000_TXD_CMD_VLE    0x40000000	/* Add VLAN tag */
375 #define E1000_TXD_CMD_IDE    0x80000000	/* Enable Tidv register */
376 #define E1000_TXD_STAT_DD    0x00000001	/* Descriptor Done */
377 #define E1000_TXD_STAT_EC    0x00000002	/* Excess Collisions */
378 #define E1000_TXD_STAT_LC    0x00000004	/* Late Collisions */
379 #define E1000_TXD_STAT_TU    0x00000008	/* Transmit underrun */
380 #define E1000_TXD_CMD_TCP    0x01000000	/* TCP packet */
381 #define E1000_TXD_CMD_IP     0x02000000	/* IP packet */
382 #define E1000_TXD_CMD_TSE    0x04000000	/* TCP Seg enable */
383 #define E1000_TXD_STAT_TC    0x00000004	/* Tx Underrun */
384 
385 /* Offload Context Descriptor */
386 struct e1000_context_desc {
387 	union {
388 		uint32_t ip_config;
389 		struct {
390 			uint8_t ipcss;	/* IP checksum start */
391 			uint8_t ipcso;	/* IP checksum offset */
392 			uint16_t ipcse;	/* IP checksum end */
393 		} ip_fields;
394 	} lower_setup;
395 	union {
396 		uint32_t tcp_config;
397 		struct {
398 			uint8_t tucss;	/* TCP checksum start */
399 			uint8_t tucso;	/* TCP checksum offset */
400 			uint16_t tucse;	/* TCP checksum end */
401 		} tcp_fields;
402 	} upper_setup;
403 	uint32_t cmd_and_length;	/* */
404 	union {
405 		uint32_t data;
406 		struct {
407 			uint8_t status;	/* Descriptor status */
408 			uint8_t hdr_len;	/* Header length */
409 			uint16_t mss;	/* Maximum segment size */
410 		} fields;
411 	} tcp_seg_setup;
412 };
413 
414 /* Offload data descriptor */
415 struct e1000_data_desc {
416 	uint64_t buffer_addr;	/* Address of the descriptor's buffer address */
417 	union {
418 		uint32_t data;
419 		struct {
420 			uint16_t length;	/* Data buffer length */
421 			uint8_t typ_len_ext;	/* */
422 			uint8_t cmd;	/* */
423 		} flags;
424 	} lower;
425 	union {
426 		uint32_t data;
427 		struct {
428 			uint8_t status;	/* Descriptor status */
429 			uint8_t popts;	/* Packet Options */
430 			uint16_t special;	/* */
431 		} fields;
432 	} upper;
433 };
434 
435 /* Filters */
436 #define E1000_NUM_UNICAST	   16	/* Unicast filter entries */
437 #define E1000_MC_TBL_SIZE	   128	/* Multicast Filter Table (4096 bits) */
438 #define E1000_VLAN_FILTER_TBL_SIZE 128	/* VLAN Filter Table (4096 bits) */
439 
440 /* Receive Address Register */
441 struct e1000_rar {
442 	volatile uint32_t low;	/* receive address low */
443 	volatile uint32_t high;	/* receive address high */
444 };
445 
446 /* The number of entries in the Multicast Table Array (MTA). */
447 #define E1000_NUM_MTA_REGISTERS 128
448 
449 /* IPv4 Address Table Entry */
450 struct e1000_ipv4_at_entry {
451 	volatile uint32_t ipv4_addr;	/* IP Address (RW) */
452 	volatile uint32_t reserved;
453 };
454 
455 /* Four wakeup IP addresses are supported */
456 #define E1000_WAKEUP_IP_ADDRESS_COUNT_MAX 4
457 #define E1000_IP4AT_SIZE		  E1000_WAKEUP_IP_ADDRESS_COUNT_MAX
458 #define E1000_IP6AT_SIZE		  1
459 
460 /* IPv6 Address Table Entry */
461 struct e1000_ipv6_at_entry {
462 	volatile uint8_t ipv6_addr[16];
463 };
464 
465 /* Flexible Filter Length Table Entry */
466 struct e1000_fflt_entry {
467 	volatile uint32_t length;	/* Flexible Filter Length (RW) */
468 	volatile uint32_t reserved;
469 };
470 
471 /* Flexible Filter Mask Table Entry */
472 struct e1000_ffmt_entry {
473 	volatile uint32_t mask;	/* Flexible Filter Mask (RW) */
474 	volatile uint32_t reserved;
475 };
476 
477 /* Flexible Filter Value Table Entry */
478 struct e1000_ffvt_entry {
479 	volatile uint32_t value;	/* Flexible Filter Value (RW) */
480 	volatile uint32_t reserved;
481 };
482 
483 /* Four Flexible Filters are supported */
484 #define E1000_FLEXIBLE_FILTER_COUNT_MAX 4
485 
486 /* Each Flexible Filter is at most 128 (0x80) bytes in length */
487 #define E1000_FLEXIBLE_FILTER_SIZE_MAX	128
488 
489 #define E1000_FFLT_SIZE E1000_FLEXIBLE_FILTER_COUNT_MAX
490 #define E1000_FFMT_SIZE E1000_FLEXIBLE_FILTER_SIZE_MAX
491 #define E1000_FFVT_SIZE E1000_FLEXIBLE_FILTER_SIZE_MAX
492 
493 /* Register Set. (82543, 82544)
494  *
495  * Registers are defined to be 32 bits and  should be accessed as 32 bit values.
496  * These registers are physically located on the NIC, but are mapped into the
497  * host memory address space.
498  *
499  * RW - register is both readable and writable
500  * RO - register is read only
501  * WO - register is write only
502  * R/clr - register is read only and is cleared when read
503  * A - register array
504  */
505 #define E1000_CTRL     0x00000	/* Device Control - RW */
506 #define E1000_STATUS   0x00008	/* Device Status - RO */
507 #define E1000_EECD     0x00010	/* EEPROM/Flash Control - RW */
508 #define E1000_EERD     0x00014	/* EEPROM Read - RW */
509 #define E1000_CTRL_EXT 0x00018	/* Extended Device Control - RW */
510 #define E1000_MDIC     0x00020	/* MDI Control - RW */
511 #define E1000_FCAL     0x00028	/* Flow Control Address Low - RW */
512 #define E1000_FCAH     0x0002C	/* Flow Control Address High -RW */
513 #define E1000_FCT      0x00030	/* Flow Control Type - RW */
514 #define E1000_VET      0x00038	/* VLAN Ether Type - RW */
515 #define E1000_ICR      0x000C0	/* Interrupt Cause Read - R/clr */
516 #define E1000_ITR      0x000C4	/* Interrupt Throttling Rate - RW */
517 #define E1000_ICS      0x000C8	/* Interrupt Cause Set - WO */
518 #define E1000_IMS      0x000D0	/* Interrupt Mask Set - RW */
519 #define E1000_IMC      0x000D8	/* Interrupt Mask Clear - WO */
520 #define E1000_RCTL     0x00100	/* RX Control - RW */
521 #define E1000_FCTTV    0x00170	/* Flow Control Transmit Timer Value - RW */
522 #define E1000_TXCW     0x00178	/* TX Configuration Word - RW */
523 #define E1000_RXCW     0x00180	/* RX Configuration Word - RO */
524 #define E1000_TCTL     0x00400	/* TX Control - RW */
525 #define E1000_TIPG     0x00410	/* TX Inter-packet gap -RW */
526 #define E1000_TBT      0x00448	/* TX Burst Timer - RW */
527 #define E1000_AIT      0x00458	/* Adaptive Interframe Spacing Throttle - RW */
528 #define E1000_LEDCTL   0x00E00	/* LED Control - RW */
529 #define E1000_PBA      0x01000	/* Packet Buffer Allocation - RW */
530 #define E1000_FCRTL    0x02160	/* Flow Control Receive Threshold Low - RW */
531 #define E1000_FCRTH    0x02168	/* Flow Control Receive Threshold High - RW */
532 #define E1000_RDBAL    0x02800	/* RX Descriptor Base Address Low - RW */
533 #define E1000_RDBAH    0x02804	/* RX Descriptor Base Address High - RW */
534 #define E1000_RDLEN    0x02808	/* RX Descriptor Length - RW */
535 #define E1000_RDH      0x02810	/* RX Descriptor Head - RW */
536 #define E1000_RDT      0x02818	/* RX Descriptor Tail - RW */
537 #define E1000_RDTR     0x02820	/* RX Delay Timer - RW */
538 #define E1000_RXDCTL   0x02828	/* RX Descriptor Control - RW */
539 #define E1000_RADV     0x0282C	/* RX Interrupt Absolute Delay Timer - RW */
540 #define E1000_RSRPD    0x02C00	/* RX Small Packet Detect - RW */
541 #define E1000_TXDMAC   0x03000	/* TX DMA Control - RW */
542 #define E1000_TDBAL    0x03800	/* TX Descriptor Base Address Low - RW */
543 #define E1000_TDBAH    0x03804	/* TX Descriptor Base Address High - RW */
544 #define E1000_TDLEN    0x03808	/* TX Descriptor Length - RW */
545 #define E1000_TDH      0x03810	/* TX Descriptor Head - RW */
546 #define E1000_TDT      0x03818	/* TX Descripotr Tail - RW */
547 #define E1000_TIDV     0x03820	/* TX Interrupt Delay Value - RW */
548 #define E1000_TXDCTL   0x03828	/* TX Descriptor Control - RW */
549 #define E1000_TADV     0x0382C	/* TX Interrupt Absolute Delay Val - RW */
550 #define E1000_TSPMT    0x03830	/* TCP Segmentation PAD & Min Threshold - RW */
551 #define E1000_CRCERRS  0x04000	/* CRC Error Count - R/clr */
552 #define E1000_ALGNERRC 0x04004	/* Alignment Error Count - R/clr */
553 #define E1000_SYMERRS  0x04008	/* Symbol Error Count - R/clr */
554 #define E1000_RXERRC   0x0400C	/* Receive Error Count - R/clr */
555 #define E1000_MPC      0x04010	/* Missed Packet Count - R/clr */
556 #define E1000_SCC      0x04014	/* Single Collision Count - R/clr */
557 #define E1000_ECOL     0x04018	/* Excessive Collision Count - R/clr */
558 #define E1000_MCC      0x0401C	/* Multiple Collision Count - R/clr */
559 #define E1000_LATECOL  0x04020	/* Late Collision Count - R/clr */
560 #define E1000_COLC     0x04028	/* Collision Count - R/clr */
561 #define E1000_DC       0x04030	/* Defer Count - R/clr */
562 #define E1000_TNCRS    0x04034	/* TX-No CRS - R/clr */
563 #define E1000_SEC      0x04038	/* Sequence Error Count - R/clr */
564 #define E1000_CEXTERR  0x0403C	/* Carrier Extension Error Count - R/clr */
565 #define E1000_RLEC     0x04040	/* Receive Length Error Count - R/clr */
566 #define E1000_XONRXC   0x04048	/* XON RX Count - R/clr */
567 #define E1000_XONTXC   0x0404C	/* XON TX Count - R/clr */
568 #define E1000_XOFFRXC  0x04050	/* XOFF RX Count - R/clr */
569 #define E1000_XOFFTXC  0x04054	/* XOFF TX Count - R/clr */
570 #define E1000_FCRUC    0x04058	/* Flow Control RX Unsupported Count- R/clr */
571 #define E1000_PRC64    0x0405C	/* Packets RX (64 bytes) - R/clr */
572 #define E1000_PRC127   0x04060	/* Packets RX (65-127 bytes) - R/clr */
573 #define E1000_PRC255   0x04064	/* Packets RX (128-255 bytes) - R/clr */
574 #define E1000_PRC511   0x04068	/* Packets RX (255-511 bytes) - R/clr */
575 #define E1000_PRC1023  0x0406C	/* Packets RX (512-1023 bytes) - R/clr */
576 #define E1000_PRC1522  0x04070	/* Packets RX (1024-1522 bytes) - R/clr */
577 #define E1000_GPRC     0x04074	/* Good Packets RX Count - R/clr */
578 #define E1000_BPRC     0x04078	/* Broadcast Packets RX Count - R/clr */
579 #define E1000_MPRC     0x0407C	/* Multicast Packets RX Count - R/clr */
580 #define E1000_GPTC     0x04080	/* Good Packets TX Count - R/clr */
581 #define E1000_GORCL    0x04088	/* Good Octets RX Count Low - R/clr */
582 #define E1000_GORCH    0x0408C	/* Good Octets RX Count High - R/clr */
583 #define E1000_GOTCL    0x04090	/* Good Octets TX Count Low - R/clr */
584 #define E1000_GOTCH    0x04094	/* Good Octets TX Count High - R/clr */
585 #define E1000_RNBC     0x040A0	/* RX No Buffers Count - R/clr */
586 #define E1000_RUC      0x040A4	/* RX Undersize Count - R/clr */
587 #define E1000_RFC      0x040A8	/* RX Fragment Count - R/clr */
588 #define E1000_ROC      0x040AC	/* RX Oversize Count - R/clr */
589 #define E1000_RJC      0x040B0	/* RX Jabber Count - R/clr */
590 #define E1000_MGTPRC   0x040B4	/* Management Packets RX Count - R/clr */
591 #define E1000_MGTPDC   0x040B8	/* Management Packets Dropped Count - R/clr */
592 #define E1000_MGTPTC   0x040BC	/* Management Packets TX Count - R/clr */
593 #define E1000_TORL     0x040C0	/* Total Octets RX Low - R/clr */
594 #define E1000_TORH     0x040C4	/* Total Octets RX High - R/clr */
595 #define E1000_TOTL     0x040C8	/* Total Octets TX Low - R/clr */
596 #define E1000_TOTH     0x040CC	/* Total Octets TX High - R/clr */
597 #define E1000_TPR      0x040D0	/* Total Packets RX - R/clr */
598 #define E1000_TPT      0x040D4	/* Total Packets TX - R/clr */
599 #define E1000_PTC64    0x040D8	/* Packets TX (64 bytes) - R/clr */
600 #define E1000_PTC127   0x040DC	/* Packets TX (65-127 bytes) - R/clr */
601 #define E1000_PTC255   0x040E0	/* Packets TX (128-255 bytes) - R/clr */
602 #define E1000_PTC511   0x040E4	/* Packets TX (256-511 bytes) - R/clr */
603 #define E1000_PTC1023  0x040E8	/* Packets TX (512-1023 bytes) - R/clr */
604 #define E1000_PTC1522  0x040EC	/* Packets TX (1024-1522 Bytes) - R/clr */
605 #define E1000_MPTC     0x040F0	/* Multicast Packets TX Count - R/clr */
606 #define E1000_BPTC     0x040F4	/* Broadcast Packets TX Count - R/clr */
607 #define E1000_TSCTC    0x040F8	/* TCP Segmentation Context TX - R/clr */
608 #define E1000_TSCTFC   0x040FC	/* TCP Segmentation Context TX Fail - R/clr */
609 #define E1000_RXCSUM   0x05000	/* RX Checksum Control - RW */
610 #define E1000_MTA      0x05200	/* Multicast Table Array - RW Array */
611 #define E1000_RA       0x05400	/* Receive Address - RW Array */
612 #define E1000_VFTA     0x05600	/* VLAN Filter Table Array - RW Array */
613 #define E1000_WUC      0x05800	/* Wakeup Control - RW */
614 #define E1000_WUFC     0x05808	/* Wakeup Filter Control - RW */
615 #define E1000_WUS      0x05810	/* Wakeup Status - RO */
616 #define E1000_MANC     0x05820	/* Management Control - RW */
617 #define E1000_IPAV     0x05838	/* IP Address Valid - RW */
618 #define E1000_IP4AT    0x05840	/* IPv4 Address Table - RW Array */
619 #define E1000_IP6AT    0x05880	/* IPv6 Address Table - RW Array */
620 #define E1000_WUPL     0x05900	/* Wakeup Packet Length - RW */
621 #define E1000_WUPM     0x05A00	/* Wakeup Packet Memory - RO A */
622 #define E1000_FFLT     0x05F00	/* Flexible Filter Length Table - RW Array */
623 #define E1000_FFMT     0x09000	/* Flexible Filter Mask Table - RW Array */
624 #define E1000_FFVT     0x09800	/* Flexible Filter Value Table - RW Array */
625 
626 /* Register Set (82542)
627  *
628  * Some of the 82542 registers are located at different offsets than they are
629  * in more current versions of the 8254x. Despite the difference in location,
630  * the registers function in the same manner.
631  */
632 #define E1000_82542_CTRL     E1000_CTRL
633 #define E1000_82542_STATUS   E1000_STATUS
634 #define E1000_82542_EECD     E1000_EECD
635 #define E1000_82542_EERD     E1000_EERD
636 #define E1000_82542_CTRL_EXT E1000_CTRL_EXT
637 #define E1000_82542_MDIC     E1000_MDIC
638 #define E1000_82542_FCAL     E1000_FCAL
639 #define E1000_82542_FCAH     E1000_FCAH
640 #define E1000_82542_FCT      E1000_FCT
641 #define E1000_82542_VET      E1000_VET
642 #define E1000_82542_RA	     0x00040
643 #define E1000_82542_ICR      E1000_ICR
644 #define E1000_82542_ITR      E1000_ITR
645 #define E1000_82542_ICS      E1000_ICS
646 #define E1000_82542_IMS      E1000_IMS
647 #define E1000_82542_IMC      E1000_IMC
648 #define E1000_82542_RCTL     E1000_RCTL
649 #define E1000_82542_RDTR     0x00108
650 #define E1000_82542_RDBAL    0x00110
651 #define E1000_82542_RDBAH    0x00114
652 #define E1000_82542_RDLEN    0x00118
653 #define E1000_82542_RDH      0x00120
654 #define E1000_82542_RDT      0x00128
655 #define E1000_82542_FCRTH    0x00160
656 #define E1000_82542_FCRTL    0x00168
657 #define E1000_82542_FCTTV    E1000_FCTTV
658 #define E1000_82542_TXCW     E1000_TXCW
659 #define E1000_82542_RXCW     E1000_RXCW
660 #define E1000_82542_MTA      0x00200
661 #define E1000_82542_TCTL     E1000_TCTL
662 #define E1000_82542_TIPG     E1000_TIPG
663 #define E1000_82542_TDBAL    0x00420
664 #define E1000_82542_TDBAH    0x00424
665 #define E1000_82542_TDLEN    0x00428
666 #define E1000_82542_TDH      0x00430
667 #define E1000_82542_TDT      0x00438
668 #define E1000_82542_TIDV     0x00440
669 #define E1000_82542_TBT      E1000_TBT
670 #define E1000_82542_AIT      E1000_AIT
671 #define E1000_82542_VFTA     0x00600
672 #define E1000_82542_LEDCTL   E1000_LEDCTL
673 #define E1000_82542_PBA      E1000_PBA
674 #define E1000_82542_RXDCTL   E1000_RXDCTL
675 #define E1000_82542_RADV     E1000_RADV
676 #define E1000_82542_RSRPD    E1000_RSRPD
677 #define E1000_82542_TXDMAC   E1000_TXDMAC
678 #define E1000_82542_TXDCTL   E1000_TXDCTL
679 #define E1000_82542_TADV     E1000_TADV
680 #define E1000_82542_TSPMT    E1000_TSPMT
681 #define E1000_82542_CRCERRS  E1000_CRCERRS
682 #define E1000_82542_ALGNERRC E1000_ALGNERRC
683 #define E1000_82542_SYMERRS  E1000_SYMERRS
684 #define E1000_82542_RXERRC   E1000_RXERRC
685 #define E1000_82542_MPC      E1000_MPC
686 #define E1000_82542_SCC      E1000_SCC
687 #define E1000_82542_ECOL     E1000_ECOL
688 #define E1000_82542_MCC      E1000_MCC
689 #define E1000_82542_LATECOL  E1000_LATECOL
690 #define E1000_82542_COLC     E1000_COLC
691 #define E1000_82542_DC	     E1000_DC
692 #define E1000_82542_TNCRS    E1000_TNCRS
693 #define E1000_82542_SEC      E1000_SEC
694 #define E1000_82542_CEXTERR  E1000_CEXTERR
695 #define E1000_82542_RLEC     E1000_RLEC
696 #define E1000_82542_XONRXC   E1000_XONRXC
697 #define E1000_82542_XONTXC   E1000_XONTXC
698 #define E1000_82542_XOFFRXC  E1000_XOFFRXC
699 #define E1000_82542_XOFFTXC  E1000_XOFFTXC
700 #define E1000_82542_FCRUC    E1000_FCRUC
701 #define E1000_82542_PRC64    E1000_PRC64
702 #define E1000_82542_PRC127   E1000_PRC127
703 #define E1000_82542_PRC255   E1000_PRC255
704 #define E1000_82542_PRC511   E1000_PRC511
705 #define E1000_82542_PRC1023  E1000_PRC1023
706 #define E1000_82542_PRC1522  E1000_PRC1522
707 #define E1000_82542_GPRC     E1000_GPRC
708 #define E1000_82542_BPRC     E1000_BPRC
709 #define E1000_82542_MPRC     E1000_MPRC
710 #define E1000_82542_GPTC     E1000_GPTC
711 #define E1000_82542_GORCL    E1000_GORCL
712 #define E1000_82542_GORCH    E1000_GORCH
713 #define E1000_82542_GOTCL    E1000_GOTCL
714 #define E1000_82542_GOTCH    E1000_GOTCH
715 #define E1000_82542_RNBC     E1000_RNBC
716 #define E1000_82542_RUC      E1000_RUC
717 #define E1000_82542_RFC      E1000_RFC
718 #define E1000_82542_ROC      E1000_ROC
719 #define E1000_82542_RJC      E1000_RJC
720 #define E1000_82542_MGTPRC   E1000_MGTPRC
721 #define E1000_82542_MGTPDC   E1000_MGTPDC
722 #define E1000_82542_MGTPTC   E1000_MGTPTC
723 #define E1000_82542_TORL     E1000_TORL
724 #define E1000_82542_TORH     E1000_TORH
725 #define E1000_82542_TOTL     E1000_TOTL
726 #define E1000_82542_TOTH     E1000_TOTH
727 #define E1000_82542_TPR      E1000_TPR
728 #define E1000_82542_TPT      E1000_TPT
729 #define E1000_82542_PTC64    E1000_PTC64
730 #define E1000_82542_PTC127   E1000_PTC127
731 #define E1000_82542_PTC255   E1000_PTC255
732 #define E1000_82542_PTC511   E1000_PTC511
733 #define E1000_82542_PTC1023  E1000_PTC1023
734 #define E1000_82542_PTC1522  E1000_PTC1522
735 #define E1000_82542_MPTC     E1000_MPTC
736 #define E1000_82542_BPTC     E1000_BPTC
737 #define E1000_82542_TSCTC    E1000_TSCTC
738 #define E1000_82542_TSCTFC   E1000_TSCTFC
739 #define E1000_82542_RXCSUM   E1000_RXCSUM
740 #define E1000_82542_WUC      E1000_WUC
741 #define E1000_82542_WUFC     E1000_WUFC
742 #define E1000_82542_WUS      E1000_WUS
743 #define E1000_82542_MANC     E1000_MANC
744 #define E1000_82542_IPAV     E1000_IPAV
745 #define E1000_82542_IP4AT    E1000_IP4AT
746 #define E1000_82542_IP6AT    E1000_IP6AT
747 #define E1000_82542_WUPL     E1000_WUPL
748 #define E1000_82542_WUPM     E1000_WUPM
749 #define E1000_82542_FFLT     E1000_FFLT
750 #define E1000_82542_FFMT     E1000_FFMT
751 #define E1000_82542_FFVT     E1000_FFVT
752 
753 /* Statistics counters collected by the MAC */
754 struct e1000_hw_stats {
755 	uint64_t crcerrs;
756 	uint64_t algnerrc;
757 	uint64_t symerrs;
758 	uint64_t rxerrc;
759 	uint64_t mpc;
760 	uint64_t scc;
761 	uint64_t ecol;
762 	uint64_t mcc;
763 	uint64_t latecol;
764 	uint64_t colc;
765 	uint64_t dc;
766 	uint64_t tncrs;
767 	uint64_t sec;
768 	uint64_t cexterr;
769 	uint64_t rlec;
770 	uint64_t xonrxc;
771 	uint64_t xontxc;
772 	uint64_t xoffrxc;
773 	uint64_t xofftxc;
774 	uint64_t fcruc;
775 	uint64_t prc64;
776 	uint64_t prc127;
777 	uint64_t prc255;
778 	uint64_t prc511;
779 	uint64_t prc1023;
780 	uint64_t prc1522;
781 	uint64_t gprc;
782 	uint64_t bprc;
783 	uint64_t mprc;
784 	uint64_t gptc;
785 	uint64_t gorcl;
786 	uint64_t gorch;
787 	uint64_t gotcl;
788 	uint64_t gotch;
789 	uint64_t rnbc;
790 	uint64_t ruc;
791 	uint64_t rfc;
792 	uint64_t roc;
793 	uint64_t rjc;
794 	uint64_t mgprc;
795 	uint64_t mgpdc;
796 	uint64_t mgptc;
797 	uint64_t torl;
798 	uint64_t torh;
799 	uint64_t totl;
800 	uint64_t toth;
801 	uint64_t tpr;
802 	uint64_t tpt;
803 	uint64_t ptc64;
804 	uint64_t ptc127;
805 	uint64_t ptc255;
806 	uint64_t ptc511;
807 	uint64_t ptc1023;
808 	uint64_t ptc1522;
809 	uint64_t mptc;
810 	uint64_t bptc;
811 	uint64_t tsctc;
812 	uint64_t tsctfc;
813 };
814 
815 /* Structure containing variables used by the shared code (e1000_hw.c) */
816 struct e1000_hw {
817 	pci_dev_t pdev;
818 	uint8_t *hw_addr;
819 	e1000_mac_type mac_type;
820 	e1000_phy_type phy_type;
821 	uint32_t phy_init_script;
822 	e1000_media_type media_type;
823 	e1000_lan_loc lan_loc;
824 	e1000_fc_type fc;
825 #if 0
826 	e1000_bus_speed bus_speed;
827 	e1000_bus_width bus_width;
828 	e1000_bus_type bus_type;
829 	uint32_t io_base;
830 #endif
831 	uint32_t phy_id;
832 	uint32_t phy_addr;
833 	uint32_t original_fc;
834 	uint32_t txcw;
835 	uint32_t autoneg_failed;
836 #if 0
837 	uint32_t max_frame_size;
838 	uint32_t min_frame_size;
839 	uint32_t mc_filter_type;
840 	uint32_t num_mc_addrs;
841 	uint32_t collision_delta;
842 	uint32_t tx_packet_delta;
843 	uint32_t ledctl_default;
844 	uint32_t ledctl_mode1;
845 	uint32_t ledctl_mode2;
846 #endif
847 	uint16_t autoneg_advertised;
848 	uint16_t pci_cmd_word;
849 	uint16_t fc_high_water;
850 	uint16_t fc_low_water;
851 	uint16_t fc_pause_time;
852 #if 0
853 	uint16_t current_ifs_val;
854 	uint16_t ifs_min_val;
855 	uint16_t ifs_max_val;
856 	uint16_t ifs_step_size;
857 	uint16_t ifs_ratio;
858 #endif
859 	uint16_t device_id;
860 	uint16_t vendor_id;
861 	uint16_t subsystem_id;
862 	uint16_t subsystem_vendor_id;
863 	uint8_t revision_id;
864 #if 0
865 	uint8_t autoneg;
866 	uint8_t mdix;
867 	uint8_t forced_speed_duplex;
868 	uint8_t wait_autoneg_complete;
869 	uint8_t dma_fairness;
870 #endif
871 #if 0
872 	uint8_t perm_mac_addr[NODE_ADDRESS_SIZE];
873 	boolean_t disable_polarity_correction;
874 #endif
875 	boolean_t get_link_status;
876 	boolean_t tbi_compatibility_en;
877 	boolean_t tbi_compatibility_on;
878 	boolean_t fc_send_xon;
879 	boolean_t report_tx_early;
880 #if 0
881 	boolean_t adaptive_ifs;
882 	boolean_t ifs_params_forced;
883 	boolean_t in_ifs_mode;
884 #endif
885 };
886 
887 #define E1000_EEPROM_SWDPIN0   0x0001	/* SWDPIN 0 EEPROM Value */
888 #define E1000_EEPROM_LED_LOGIC 0x0020	/* Led Logic Word */
889 
890 /* Register Bit Masks */
891 /* Device Control */
892 #define E1000_CTRL_FD	    0x00000001	/* Full duplex.0=half; 1=full */
893 #define E1000_CTRL_BEM	    0x00000002	/* Endian Mode.0=little,1=big */
894 #define E1000_CTRL_PRIOR    0x00000004	/* Priority on PCI. 0=rx,1=fair */
895 #define E1000_CTRL_LRST     0x00000008	/* Link reset. 0=normal,1=reset */
896 #define E1000_CTRL_TME	    0x00000010	/* Test mode. 0=normal,1=test */
897 #define E1000_CTRL_SLE	    0x00000020	/* Serial Link on 0=dis,1=en */
898 #define E1000_CTRL_ASDE     0x00000020	/* Auto-speed detect enable */
899 #define E1000_CTRL_SLU	    0x00000040	/* Set link up (Force Link) */
900 #define E1000_CTRL_ILOS     0x00000080	/* Invert Loss-Of Signal */
901 #define E1000_CTRL_SPD_SEL  0x00000300	/* Speed Select Mask */
902 #define E1000_CTRL_SPD_10   0x00000000	/* Force 10Mb */
903 #define E1000_CTRL_SPD_100  0x00000100	/* Force 100Mb */
904 #define E1000_CTRL_SPD_1000 0x00000200	/* Force 1Gb */
905 #define E1000_CTRL_BEM32    0x00000400	/* Big Endian 32 mode */
906 #define E1000_CTRL_FRCSPD   0x00000800	/* Force Speed */
907 #define E1000_CTRL_FRCDPX   0x00001000	/* Force Duplex */
908 #define E1000_CTRL_SWDPIN0  0x00040000	/* SWDPIN 0 value */
909 #define E1000_CTRL_SWDPIN1  0x00080000	/* SWDPIN 1 value */
910 #define E1000_CTRL_SWDPIN2  0x00100000	/* SWDPIN 2 value */
911 #define E1000_CTRL_SWDPIN3  0x00200000	/* SWDPIN 3 value */
912 #define E1000_CTRL_SWDPIO0  0x00400000	/* SWDPIN 0 Input or output */
913 #define E1000_CTRL_SWDPIO1  0x00800000	/* SWDPIN 1 input or output */
914 #define E1000_CTRL_SWDPIO2  0x01000000	/* SWDPIN 2 input or output */
915 #define E1000_CTRL_SWDPIO3  0x02000000	/* SWDPIN 3 input or output */
916 #define E1000_CTRL_RST	    0x04000000	/* Global reset */
917 #define E1000_CTRL_RFCE     0x08000000	/* Receive Flow Control enable */
918 #define E1000_CTRL_TFCE     0x10000000	/* Transmit flow control enable */
919 #define E1000_CTRL_RTE	    0x20000000	/* Routing tag enable */
920 #define E1000_CTRL_VME	    0x40000000	/* IEEE VLAN mode enable */
921 #define E1000_CTRL_PHY_RST  0x80000000	/* PHY Reset */
922 
923 /* Device Status */
924 #define E1000_STATUS_FD		0x00000001	/* Full duplex.0=half,1=full */
925 #define E1000_STATUS_LU		0x00000002	/* Link up.0=no,1=link */
926 #define E1000_STATUS_FUNC_MASK	0x0000000C	/* PCI Function Mask */
927 #define E1000_STATUS_FUNC_0	0x00000000	/* Function 0 */
928 #define E1000_STATUS_FUNC_1	0x00000004	/* Function 1 */
929 #define E1000_STATUS_TXOFF	0x00000010	/* transmission paused */
930 #define E1000_STATUS_TBIMODE	0x00000020	/* TBI mode */
931 #define E1000_STATUS_SPEED_MASK 0x000000C0
932 #define E1000_STATUS_SPEED_10	0x00000000	/* Speed 10Mb/s */
933 #define E1000_STATUS_SPEED_100	0x00000040	/* Speed 100Mb/s */
934 #define E1000_STATUS_SPEED_1000 0x00000080	/* Speed 1000Mb/s */
935 #define E1000_STATUS_ASDV	0x00000300	/* Auto speed detect value */
936 #define E1000_STATUS_MTXCKOK	0x00000400	/* MTX clock running OK */
937 #define E1000_STATUS_PCI66	0x00000800	/* In 66Mhz slot */
938 #define E1000_STATUS_BUS64	0x00001000	/* In 64 bit slot */
939 #define E1000_STATUS_PCIX_MODE	0x00002000	/* PCI-X mode */
940 #define E1000_STATUS_PCIX_SPEED 0x0000C000	/* PCI-X bus speed */
941 
942 /* Constants used to intrepret the masked PCI-X bus speed. */
943 #define E1000_STATUS_PCIX_SPEED_66  0x00000000	/* PCI-X bus speed  50-66 MHz */
944 #define E1000_STATUS_PCIX_SPEED_100 0x00004000	/* PCI-X bus speed  66-100 MHz */
945 #define E1000_STATUS_PCIX_SPEED_133 0x00008000	/* PCI-X bus speed 100-133 MHz */
946 
947 /* EEPROM/Flash Control */
948 #define E1000_EECD_SK	     0x00000001	/* EEPROM Clock */
949 #define E1000_EECD_CS	     0x00000002	/* EEPROM Chip Select */
950 #define E1000_EECD_DI	     0x00000004	/* EEPROM Data In */
951 #define E1000_EECD_DO	     0x00000008	/* EEPROM Data Out */
952 #define E1000_EECD_FWE_MASK  0x00000030
953 #define E1000_EECD_FWE_DIS   0x00000010	/* Disable FLASH writes */
954 #define E1000_EECD_FWE_EN    0x00000020	/* Enable FLASH writes */
955 #define E1000_EECD_FWE_SHIFT 4
956 #define E1000_EECD_SIZE      0x00000200	/* EEPROM Size (0=64 word 1=256 word) */
957 #define E1000_EECD_REQ	     0x00000040	/* EEPROM Access Request */
958 #define E1000_EECD_GNT	     0x00000080	/* EEPROM Access Grant */
959 #define E1000_EECD_PRES      0x00000100	/* EEPROM Present */
960 
961 /* EEPROM Read */
962 #define E1000_EERD_START      0x00000001	/* Start Read */
963 #define E1000_EERD_DONE       0x00000010	/* Read Done */
964 #define E1000_EERD_ADDR_SHIFT 8
965 #define E1000_EERD_ADDR_MASK  0x0000FF00	/* Read Address */
966 #define E1000_EERD_DATA_SHIFT 16
967 #define E1000_EERD_DATA_MASK  0xFFFF0000	/* Read Data */
968 
969 /* Extended Device Control */
970 #define E1000_CTRL_EXT_GPI0_EN	 0x00000001	/* Maps SDP4 to GPI0 */
971 #define E1000_CTRL_EXT_GPI1_EN	 0x00000002	/* Maps SDP5 to GPI1 */
972 #define E1000_CTRL_EXT_PHYINT_EN E1000_CTRL_EXT_GPI1_EN
973 #define E1000_CTRL_EXT_GPI2_EN	 0x00000004	/* Maps SDP6 to GPI2 */
974 #define E1000_CTRL_EXT_GPI3_EN	 0x00000008	/* Maps SDP7 to GPI3 */
975 #define E1000_CTRL_EXT_SDP4_DATA 0x00000010	/* Value of SW Defineable Pin 4 */
976 #define E1000_CTRL_EXT_SDP5_DATA 0x00000020	/* Value of SW Defineable Pin 5 */
977 #define E1000_CTRL_EXT_PHY_INT	 E1000_CTRL_EXT_SDP5_DATA
978 #define E1000_CTRL_EXT_SDP6_DATA 0x00000040	/* Value of SW Defineable Pin 6 */
979 #define E1000_CTRL_EXT_SWDPIN6	 0x00000040	/* SWDPIN 6 value */
980 #define E1000_CTRL_EXT_SDP7_DATA 0x00000080	/* Value of SW Defineable Pin 7 */
981 #define E1000_CTRL_EXT_SWDPIN7	 0x00000080	/* SWDPIN 7 value */
982 #define E1000_CTRL_EXT_SDP4_DIR  0x00000100	/* Direction of SDP4 0=in 1=out */
983 #define E1000_CTRL_EXT_SDP5_DIR  0x00000200	/* Direction of SDP5 0=in 1=out */
984 #define E1000_CTRL_EXT_SDP6_DIR  0x00000400	/* Direction of SDP6 0=in 1=out */
985 #define E1000_CTRL_EXT_SWDPIO6	 0x00000400	/* SWDPIN 6 Input or output */
986 #define E1000_CTRL_EXT_SDP7_DIR  0x00000800	/* Direction of SDP7 0=in 1=out */
987 #define E1000_CTRL_EXT_SWDPIO7	 0x00000800	/* SWDPIN 7 Input or output */
988 #define E1000_CTRL_EXT_ASDCHK	 0x00001000	/* Initiate an ASD sequence */
989 #define E1000_CTRL_EXT_EE_RST	 0x00002000	/* Reinitialize from EEPROM */
990 #define E1000_CTRL_EXT_IPS	 0x00004000	/* Invert Power State */
991 #define E1000_CTRL_EXT_SPD_BYPS  0x00008000	/* Speed Select Bypass */
992 #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
993 #define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000
994 #define E1000_CTRL_EXT_LINK_MODE_TBI  0x00C00000
995 #define E1000_CTRL_EXT_WR_WMARK_MASK  0x03000000
996 #define E1000_CTRL_EXT_WR_WMARK_256   0x00000000
997 #define E1000_CTRL_EXT_WR_WMARK_320   0x01000000
998 #define E1000_CTRL_EXT_WR_WMARK_384   0x02000000
999 #define E1000_CTRL_EXT_WR_WMARK_448   0x03000000
1000 
1001 /* MDI Control */
1002 #define E1000_MDIC_DATA_MASK 0x0000FFFF
1003 #define E1000_MDIC_REG_MASK  0x001F0000
1004 #define E1000_MDIC_REG_SHIFT 16
1005 #define E1000_MDIC_PHY_MASK  0x03E00000
1006 #define E1000_MDIC_PHY_SHIFT 21
1007 #define E1000_MDIC_OP_WRITE  0x04000000
1008 #define E1000_MDIC_OP_READ   0x08000000
1009 #define E1000_MDIC_READY     0x10000000
1010 #define E1000_MDIC_INT_EN    0x20000000
1011 #define E1000_MDIC_ERROR     0x40000000
1012 
1013 /* LED Control */
1014 #define E1000_LEDCTL_LED0_MODE_MASK  0x0000000F
1015 #define E1000_LEDCTL_LED0_MODE_SHIFT 0
1016 #define E1000_LEDCTL_LED0_IVRT	     0x00000040
1017 #define E1000_LEDCTL_LED0_BLINK      0x00000080
1018 #define E1000_LEDCTL_LED1_MODE_MASK  0x00000F00
1019 #define E1000_LEDCTL_LED1_MODE_SHIFT 8
1020 #define E1000_LEDCTL_LED1_IVRT	     0x00004000
1021 #define E1000_LEDCTL_LED1_BLINK      0x00008000
1022 #define E1000_LEDCTL_LED2_MODE_MASK  0x000F0000
1023 #define E1000_LEDCTL_LED2_MODE_SHIFT 16
1024 #define E1000_LEDCTL_LED2_IVRT	     0x00400000
1025 #define E1000_LEDCTL_LED2_BLINK      0x00800000
1026 #define E1000_LEDCTL_LED3_MODE_MASK  0x0F000000
1027 #define E1000_LEDCTL_LED3_MODE_SHIFT 24
1028 #define E1000_LEDCTL_LED3_IVRT	     0x40000000
1029 #define E1000_LEDCTL_LED3_BLINK      0x80000000
1030 
1031 #define E1000_LEDCTL_MODE_LINK_10_1000	0x0
1032 #define E1000_LEDCTL_MODE_LINK_100_1000 0x1
1033 #define E1000_LEDCTL_MODE_LINK_UP	0x2
1034 #define E1000_LEDCTL_MODE_ACTIVITY	0x3
1035 #define E1000_LEDCTL_MODE_LINK_ACTIVITY 0x4
1036 #define E1000_LEDCTL_MODE_LINK_10	0x5
1037 #define E1000_LEDCTL_MODE_LINK_100	0x6
1038 #define E1000_LEDCTL_MODE_LINK_1000	0x7
1039 #define E1000_LEDCTL_MODE_PCIX_MODE	0x8
1040 #define E1000_LEDCTL_MODE_FULL_DUPLEX	0x9
1041 #define E1000_LEDCTL_MODE_COLLISION	0xA
1042 #define E1000_LEDCTL_MODE_BUS_SPEED	0xB
1043 #define E1000_LEDCTL_MODE_BUS_SIZE	0xC
1044 #define E1000_LEDCTL_MODE_PAUSED	0xD
1045 #define E1000_LEDCTL_MODE_LED_ON	0xE
1046 #define E1000_LEDCTL_MODE_LED_OFF	0xF
1047 
1048 /* Receive Address */
1049 #define E1000_RAH_AV  0x80000000	/* Receive descriptor valid */
1050 
1051 /* Interrupt Cause Read */
1052 #define E1000_ICR_TXDW	  0x00000001	/* Transmit desc written back */
1053 #define E1000_ICR_TXQE	  0x00000002	/* Transmit Queue empty */
1054 #define E1000_ICR_LSC	  0x00000004	/* Link Status Change */
1055 #define E1000_ICR_RXSEQ   0x00000008	/* rx sequence error */
1056 #define E1000_ICR_RXDMT0  0x00000010	/* rx desc min. threshold (0) */
1057 #define E1000_ICR_RXO	  0x00000040	/* rx overrun */
1058 #define E1000_ICR_RXT0	  0x00000080	/* rx timer intr (ring 0) */
1059 #define E1000_ICR_MDAC	  0x00000200	/* MDIO access complete */
1060 #define E1000_ICR_RXCFG   0x00000400	/* RX /c/ ordered set */
1061 #define E1000_ICR_GPI_EN0 0x00000800	/* GP Int 0 */
1062 #define E1000_ICR_GPI_EN1 0x00001000	/* GP Int 1 */
1063 #define E1000_ICR_GPI_EN2 0x00002000	/* GP Int 2 */
1064 #define E1000_ICR_GPI_EN3 0x00004000	/* GP Int 3 */
1065 #define E1000_ICR_TXD_LOW 0x00008000
1066 #define E1000_ICR_SRPD	  0x00010000
1067 
1068 /* Interrupt Cause Set */
1069 #define E1000_ICS_TXDW	  E1000_ICR_TXDW	/* Transmit desc written back */
1070 #define E1000_ICS_TXQE	  E1000_ICR_TXQE	/* Transmit Queue empty */
1071 #define E1000_ICS_LSC	  E1000_ICR_LSC	/* Link Status Change */
1072 #define E1000_ICS_RXSEQ   E1000_ICR_RXSEQ	/* rx sequence error */
1073 #define E1000_ICS_RXDMT0  E1000_ICR_RXDMT0	/* rx desc min. threshold */
1074 #define E1000_ICS_RXO	  E1000_ICR_RXO	/* rx overrun */
1075 #define E1000_ICS_RXT0	  E1000_ICR_RXT0	/* rx timer intr */
1076 #define E1000_ICS_MDAC	  E1000_ICR_MDAC	/* MDIO access complete */
1077 #define E1000_ICS_RXCFG   E1000_ICR_RXCFG	/* RX /c/ ordered set */
1078 #define E1000_ICS_GPI_EN0 E1000_ICR_GPI_EN0	/* GP Int 0 */
1079 #define E1000_ICS_GPI_EN1 E1000_ICR_GPI_EN1	/* GP Int 1 */
1080 #define E1000_ICS_GPI_EN2 E1000_ICR_GPI_EN2	/* GP Int 2 */
1081 #define E1000_ICS_GPI_EN3 E1000_ICR_GPI_EN3	/* GP Int 3 */
1082 #define E1000_ICS_TXD_LOW E1000_ICR_TXD_LOW
1083 #define E1000_ICS_SRPD	  E1000_ICR_SRPD
1084 
1085 /* Interrupt Mask Set */
1086 #define E1000_IMS_TXDW	  E1000_ICR_TXDW	/* Transmit desc written back */
1087 #define E1000_IMS_TXQE	  E1000_ICR_TXQE	/* Transmit Queue empty */
1088 #define E1000_IMS_LSC	  E1000_ICR_LSC	/* Link Status Change */
1089 #define E1000_IMS_RXSEQ   E1000_ICR_RXSEQ	/* rx sequence error */
1090 #define E1000_IMS_RXDMT0  E1000_ICR_RXDMT0	/* rx desc min. threshold */
1091 #define E1000_IMS_RXO	  E1000_ICR_RXO	/* rx overrun */
1092 #define E1000_IMS_RXT0	  E1000_ICR_RXT0	/* rx timer intr */
1093 #define E1000_IMS_MDAC	  E1000_ICR_MDAC	/* MDIO access complete */
1094 #define E1000_IMS_RXCFG   E1000_ICR_RXCFG	/* RX /c/ ordered set */
1095 #define E1000_IMS_GPI_EN0 E1000_ICR_GPI_EN0	/* GP Int 0 */
1096 #define E1000_IMS_GPI_EN1 E1000_ICR_GPI_EN1	/* GP Int 1 */
1097 #define E1000_IMS_GPI_EN2 E1000_ICR_GPI_EN2	/* GP Int 2 */
1098 #define E1000_IMS_GPI_EN3 E1000_ICR_GPI_EN3	/* GP Int 3 */
1099 #define E1000_IMS_TXD_LOW E1000_ICR_TXD_LOW
1100 #define E1000_IMS_SRPD	  E1000_ICR_SRPD
1101 
1102 /* Interrupt Mask Clear */
1103 #define E1000_IMC_TXDW	  E1000_ICR_TXDW	/* Transmit desc written back */
1104 #define E1000_IMC_TXQE	  E1000_ICR_TXQE	/* Transmit Queue empty */
1105 #define E1000_IMC_LSC	  E1000_ICR_LSC	/* Link Status Change */
1106 #define E1000_IMC_RXSEQ   E1000_ICR_RXSEQ	/* rx sequence error */
1107 #define E1000_IMC_RXDMT0  E1000_ICR_RXDMT0	/* rx desc min. threshold */
1108 #define E1000_IMC_RXO	  E1000_ICR_RXO	/* rx overrun */
1109 #define E1000_IMC_RXT0	  E1000_ICR_RXT0	/* rx timer intr */
1110 #define E1000_IMC_MDAC	  E1000_ICR_MDAC	/* MDIO access complete */
1111 #define E1000_IMC_RXCFG   E1000_ICR_RXCFG	/* RX /c/ ordered set */
1112 #define E1000_IMC_GPI_EN0 E1000_ICR_GPI_EN0	/* GP Int 0 */
1113 #define E1000_IMC_GPI_EN1 E1000_ICR_GPI_EN1	/* GP Int 1 */
1114 #define E1000_IMC_GPI_EN2 E1000_ICR_GPI_EN2	/* GP Int 2 */
1115 #define E1000_IMC_GPI_EN3 E1000_ICR_GPI_EN3	/* GP Int 3 */
1116 #define E1000_IMC_TXD_LOW E1000_ICR_TXD_LOW
1117 #define E1000_IMC_SRPD	  E1000_ICR_SRPD
1118 
1119 /* Receive Control */
1120 #define E1000_RCTL_RST		0x00000001	/* Software reset */
1121 #define E1000_RCTL_EN		0x00000002	/* enable */
1122 #define E1000_RCTL_SBP		0x00000004	/* store bad packet */
1123 #define E1000_RCTL_UPE		0x00000008	/* unicast promiscuous enable */
1124 #define E1000_RCTL_MPE		0x00000010	/* multicast promiscuous enab */
1125 #define E1000_RCTL_LPE		0x00000020	/* long packet enable */
1126 #define E1000_RCTL_LBM_NO	0x00000000	/* no loopback mode */
1127 #define E1000_RCTL_LBM_MAC	0x00000040	/* MAC loopback mode */
1128 #define E1000_RCTL_LBM_SLP	0x00000080	/* serial link loopback mode */
1129 #define E1000_RCTL_LBM_TCVR	0x000000C0	/* tcvr loopback mode */
1130 #define E1000_RCTL_RDMTS_HALF	0x00000000	/* rx desc min threshold size */
1131 #define E1000_RCTL_RDMTS_QUAT	0x00000100	/* rx desc min threshold size */
1132 #define E1000_RCTL_RDMTS_EIGTH	0x00000200	/* rx desc min threshold size */
1133 #define E1000_RCTL_MO_SHIFT	12	/* multicast offset shift */
1134 #define E1000_RCTL_MO_0		0x00000000	/* multicast offset 11:0 */
1135 #define E1000_RCTL_MO_1		0x00001000	/* multicast offset 12:1 */
1136 #define E1000_RCTL_MO_2		0x00002000	/* multicast offset 13:2 */
1137 #define E1000_RCTL_MO_3		0x00003000	/* multicast offset 15:4 */
1138 #define E1000_RCTL_MDR		0x00004000	/* multicast desc ring 0 */
1139 #define E1000_RCTL_BAM		0x00008000	/* broadcast enable */
1140 /* these buffer sizes are valid if E1000_RCTL_BSEX is 0 */
1141 #define E1000_RCTL_SZ_2048	0x00000000	/* rx buffer size 2048 */
1142 #define E1000_RCTL_SZ_1024	0x00010000	/* rx buffer size 1024 */
1143 #define E1000_RCTL_SZ_512	0x00020000	/* rx buffer size 512 */
1144 #define E1000_RCTL_SZ_256	0x00030000	/* rx buffer size 256 */
1145 /* these buffer sizes are valid if E1000_RCTL_BSEX is 1 */
1146 #define E1000_RCTL_SZ_16384	0x00010000	/* rx buffer size 16384 */
1147 #define E1000_RCTL_SZ_8192	0x00020000	/* rx buffer size 8192 */
1148 #define E1000_RCTL_SZ_4096	0x00030000	/* rx buffer size 4096 */
1149 #define E1000_RCTL_VFE		0x00040000	/* vlan filter enable */
1150 #define E1000_RCTL_CFIEN	0x00080000	/* canonical form enable */
1151 #define E1000_RCTL_CFI		0x00100000	/* canonical form indicator */
1152 #define E1000_RCTL_DPF		0x00400000	/* discard pause frames */
1153 #define E1000_RCTL_PMCF		0x00800000	/* pass MAC control frames */
1154 #define E1000_RCTL_BSEX		0x02000000	/* Buffer size extension */
1155 
1156 /* Receive Descriptor */
1157 #define E1000_RDT_DELAY 0x0000ffff	/* Delay timer (1=1024us) */
1158 #define E1000_RDT_FPDB	0x80000000	/* Flush descriptor block */
1159 #define E1000_RDLEN_LEN 0x0007ff80	/* descriptor length */
1160 #define E1000_RDH_RDH	0x0000ffff	/* receive descriptor head */
1161 #define E1000_RDT_RDT	0x0000ffff	/* receive descriptor tail */
1162 
1163 /* Flow Control */
1164 #define E1000_FCRTH_RTH  0x0000FFF8	/* Mask Bits[15:3] for RTH */
1165 #define E1000_FCRTH_XFCE 0x80000000	/* External Flow Control Enable */
1166 #define E1000_FCRTL_RTL  0x0000FFF8	/* Mask Bits[15:3] for RTL */
1167 #define E1000_FCRTL_XONE 0x80000000	/* Enable XON frame transmission */
1168 
1169 /* Receive Descriptor Control */
1170 #define E1000_RXDCTL_PTHRESH 0x0000003F	/* RXDCTL Prefetch Threshold */
1171 #define E1000_RXDCTL_HTHRESH 0x00003F00	/* RXDCTL Host Threshold */
1172 #define E1000_RXDCTL_WTHRESH 0x003F0000	/* RXDCTL Writeback Threshold */
1173 #define E1000_RXDCTL_GRAN    0x01000000	/* RXDCTL Granularity */
1174 
1175 /* Transmit Descriptor Control */
1176 #define E1000_TXDCTL_PTHRESH 0x000000FF	/* TXDCTL Prefetch Threshold */
1177 #define E1000_TXDCTL_HTHRESH 0x0000FF00	/* TXDCTL Host Threshold */
1178 #define E1000_TXDCTL_WTHRESH 0x00FF0000	/* TXDCTL Writeback Threshold */
1179 #define E1000_TXDCTL_GRAN    0x01000000	/* TXDCTL Granularity */
1180 #define E1000_TXDCTL_LWTHRESH 0xFE000000	/* TXDCTL Low Threshold */
1181 #define E1000_TXDCTL_FULL_TX_DESC_WB 0x01010000	/* GRAN=1, WTHRESH=1 */
1182 
1183 /* Transmit Configuration Word */
1184 #define E1000_TXCW_FD	      0x00000020	/* TXCW full duplex */
1185 #define E1000_TXCW_HD	      0x00000040	/* TXCW half duplex */
1186 #define E1000_TXCW_PAUSE      0x00000080	/* TXCW sym pause request */
1187 #define E1000_TXCW_ASM_DIR    0x00000100	/* TXCW astm pause direction */
1188 #define E1000_TXCW_PAUSE_MASK 0x00000180	/* TXCW pause request mask */
1189 #define E1000_TXCW_RF	      0x00003000	/* TXCW remote fault */
1190 #define E1000_TXCW_NP	      0x00008000	/* TXCW next page */
1191 #define E1000_TXCW_CW	      0x0000ffff	/* TxConfigWord mask */
1192 #define E1000_TXCW_TXC	      0x40000000	/* Transmit Config control */
1193 #define E1000_TXCW_ANE	      0x80000000	/* Auto-neg enable */
1194 
1195 /* Receive Configuration Word */
1196 #define E1000_RXCW_CW	 0x0000ffff	/* RxConfigWord mask */
1197 #define E1000_RXCW_NC	 0x04000000	/* Receive config no carrier */
1198 #define E1000_RXCW_IV	 0x08000000	/* Receive config invalid */
1199 #define E1000_RXCW_CC	 0x10000000	/* Receive config change */
1200 #define E1000_RXCW_C	 0x20000000	/* Receive config */
1201 #define E1000_RXCW_SYNCH 0x40000000	/* Receive config synch */
1202 #define E1000_RXCW_ANC	 0x80000000	/* Auto-neg complete */
1203 
1204 /* Transmit Control */
1205 #define E1000_TCTL_RST	  0x00000001	/* software reset */
1206 #define E1000_TCTL_EN	  0x00000002	/* enable tx */
1207 #define E1000_TCTL_BCE	  0x00000004	/* busy check enable */
1208 #define E1000_TCTL_PSP	  0x00000008	/* pad short packets */
1209 #define E1000_TCTL_CT	  0x00000ff0	/* collision threshold */
1210 #define E1000_TCTL_COLD   0x003ff000	/* collision distance */
1211 #define E1000_TCTL_SWXOFF 0x00400000	/* SW Xoff transmission */
1212 #define E1000_TCTL_PBE	  0x00800000	/* Packet Burst Enable */
1213 #define E1000_TCTL_RTLC   0x01000000	/* Re-transmit on late collision */
1214 #define E1000_TCTL_NRTU   0x02000000	/* No Re-transmit on underrun */
1215 
1216 /* Receive Checksum Control */
1217 #define E1000_RXCSUM_PCSS_MASK 0x000000FF	/* Packet Checksum Start */
1218 #define E1000_RXCSUM_IPOFL     0x00000100	/* IPv4 checksum offload */
1219 #define E1000_RXCSUM_TUOFL     0x00000200	/* TCP / UDP checksum offload */
1220 #define E1000_RXCSUM_IPV6OFL   0x00000400	/* IPv6 checksum offload */
1221 
1222 /* Definitions for power management and wakeup registers */
1223 /* Wake Up Control */
1224 #define E1000_WUC_APME	     0x00000001	/* APM Enable */
1225 #define E1000_WUC_PME_EN     0x00000002	/* PME Enable */
1226 #define E1000_WUC_PME_STATUS 0x00000004	/* PME Status */
1227 #define E1000_WUC_APMPME     0x00000008	/* Assert PME on APM Wakeup */
1228 
1229 /* Wake Up Filter Control */
1230 #define E1000_WUFC_LNKC 0x00000001	/* Link Status Change Wakeup Enable */
1231 #define E1000_WUFC_MAG	0x00000002	/* Magic Packet Wakeup Enable */
1232 #define E1000_WUFC_EX	0x00000004	/* Directed Exact Wakeup Enable */
1233 #define E1000_WUFC_MC	0x00000008	/* Directed Multicast Wakeup Enable */
1234 #define E1000_WUFC_BC	0x00000010	/* Broadcast Wakeup Enable */
1235 #define E1000_WUFC_ARP	0x00000020	/* ARP Request Packet Wakeup Enable */
1236 #define E1000_WUFC_IPV4 0x00000040	/* Directed IPv4 Packet Wakeup Enable */
1237 #define E1000_WUFC_IPV6 0x00000080	/* Directed IPv6 Packet Wakeup Enable */
1238 #define E1000_WUFC_FLX0 0x00010000	/* Flexible Filter 0 Enable */
1239 #define E1000_WUFC_FLX1 0x00020000	/* Flexible Filter 1 Enable */
1240 #define E1000_WUFC_FLX2 0x00040000	/* Flexible Filter 2 Enable */
1241 #define E1000_WUFC_FLX3 0x00080000	/* Flexible Filter 3 Enable */
1242 #define E1000_WUFC_ALL_FILTERS 0x000F00FF	/* Mask for all wakeup filters */
1243 #define E1000_WUFC_FLX_OFFSET 16	/* Offset to the Flexible Filters bits */
1244 #define E1000_WUFC_FLX_FILTERS 0x000F0000	/* Mask for the 4 flexible filters */
1245 
1246 /* Wake Up Status */
1247 #define E1000_WUS_LNKC 0x00000001	/* Link Status Changed */
1248 #define E1000_WUS_MAG  0x00000002	/* Magic Packet Received */
1249 #define E1000_WUS_EX   0x00000004	/* Directed Exact Received */
1250 #define E1000_WUS_MC   0x00000008	/* Directed Multicast Received */
1251 #define E1000_WUS_BC   0x00000010	/* Broadcast Received */
1252 #define E1000_WUS_ARP  0x00000020	/* ARP Request Packet Received */
1253 #define E1000_WUS_IPV4 0x00000040	/* Directed IPv4 Packet Wakeup Received */
1254 #define E1000_WUS_IPV6 0x00000080	/* Directed IPv6 Packet Wakeup Received */
1255 #define E1000_WUS_FLX0 0x00010000	/* Flexible Filter 0 Match */
1256 #define E1000_WUS_FLX1 0x00020000	/* Flexible Filter 1 Match */
1257 #define E1000_WUS_FLX2 0x00040000	/* Flexible Filter 2 Match */
1258 #define E1000_WUS_FLX3 0x00080000	/* Flexible Filter 3 Match */
1259 #define E1000_WUS_FLX_FILTERS 0x000F0000	/* Mask for the 4 flexible filters */
1260 
1261 /* Management Control */
1262 #define E1000_MANC_SMBUS_EN	 0x00000001	/* SMBus Enabled - RO */
1263 #define E1000_MANC_ASF_EN	 0x00000002	/* ASF Enabled - RO */
1264 #define E1000_MANC_R_ON_FORCE	 0x00000004	/* Reset on Force TCO - RO */
1265 #define E1000_MANC_RMCP_EN	 0x00000100	/* Enable RCMP 026Fh Filtering */
1266 #define E1000_MANC_0298_EN	 0x00000200	/* Enable RCMP 0298h Filtering */
1267 #define E1000_MANC_IPV4_EN	 0x00000400	/* Enable IPv4 */
1268 #define E1000_MANC_IPV6_EN	 0x00000800	/* Enable IPv6 */
1269 #define E1000_MANC_SNAP_EN	 0x00001000	/* Accept LLC/SNAP */
1270 #define E1000_MANC_ARP_EN	 0x00002000	/* Enable ARP Request Filtering */
1271 #define E1000_MANC_NEIGHBOR_EN	 0x00004000	/* Enable Neighbor Discovery
1272 						 * Filtering */
1273 #define E1000_MANC_TCO_RESET	 0x00010000	/* TCO Reset Occurred */
1274 #define E1000_MANC_RCV_TCO_EN	 0x00020000	/* Receive TCO Packets Enabled */
1275 #define E1000_MANC_REPORT_STATUS 0x00040000	/* Status Reporting Enabled */
1276 #define E1000_MANC_SMB_REQ	 0x01000000	/* SMBus Request */
1277 #define E1000_MANC_SMB_GNT	 0x02000000	/* SMBus Grant */
1278 #define E1000_MANC_SMB_CLK_IN	 0x04000000	/* SMBus Clock In */
1279 #define E1000_MANC_SMB_DATA_IN	 0x08000000	/* SMBus Data In */
1280 #define E1000_MANC_SMB_DATA_OUT  0x10000000	/* SMBus Data Out */
1281 #define E1000_MANC_SMB_CLK_OUT	 0x20000000	/* SMBus Clock Out */
1282 
1283 #define E1000_MANC_SMB_DATA_OUT_SHIFT  28	/* SMBus Data Out Shift */
1284 #define E1000_MANC_SMB_CLK_OUT_SHIFT   29	/* SMBus Clock Out Shift */
1285 
1286 /* Wake Up Packet Length */
1287 #define E1000_WUPL_LENGTH_MASK 0x0FFF	/* Only the lower 12 bits are valid */
1288 
1289 #define E1000_MDALIGN	       4096
1290 
1291 /* EEPROM Commands */
1292 #define EEPROM_READ_OPCODE  0x6	/* EERPOM read opcode */
1293 #define EEPROM_WRITE_OPCODE 0x5	/* EERPOM write opcode */
1294 #define EEPROM_ERASE_OPCODE 0x7	/* EERPOM erase opcode */
1295 #define EEPROM_EWEN_OPCODE  0x13	/* EERPOM erase/write enable */
1296 #define EEPROM_EWDS_OPCODE  0x10	/* EERPOM erast/write disable */
1297 
1298 /* EEPROM Word Offsets */
1299 #define EEPROM_COMPAT		   0x0003
1300 #define EEPROM_ID_LED_SETTINGS	   0x0004
1301 #define EEPROM_INIT_CONTROL1_REG   0x000A
1302 #define EEPROM_INIT_CONTROL2_REG   0x000F
1303 #define EEPROM_FLASH_VERSION	   0x0032
1304 #define EEPROM_CHECKSUM_REG	   0x003F
1305 
1306 /* Word definitions for ID LED Settings */
1307 #define ID_LED_RESERVED_0000 0x0000
1308 #define ID_LED_RESERVED_FFFF 0xFFFF
1309 #define ID_LED_DEFAULT	     ((ID_LED_OFF1_ON2 << 12) | \
1310 			      (ID_LED_OFF1_OFF2 << 8) | \
1311 			      (ID_LED_DEF1_DEF2 << 4) | \
1312 			      (ID_LED_DEF1_DEF2))
1313 #define ID_LED_DEF1_DEF2     0x1
1314 #define ID_LED_DEF1_ON2      0x2
1315 #define ID_LED_DEF1_OFF2     0x3
1316 #define ID_LED_ON1_DEF2      0x4
1317 #define ID_LED_ON1_ON2	     0x5
1318 #define ID_LED_ON1_OFF2      0x6
1319 #define ID_LED_OFF1_DEF2     0x7
1320 #define ID_LED_OFF1_ON2      0x8
1321 #define ID_LED_OFF1_OFF2     0x9
1322 
1323 /* Mask bits for fields in Word 0x03 of the EEPROM */
1324 #define EEPROM_COMPAT_SERVER 0x0400
1325 #define EEPROM_COMPAT_CLIENT 0x0200
1326 
1327 /* Mask bits for fields in Word 0x0a of the EEPROM */
1328 #define EEPROM_WORD0A_ILOS   0x0010
1329 #define EEPROM_WORD0A_SWDPIO 0x01E0
1330 #define EEPROM_WORD0A_LRST   0x0200
1331 #define EEPROM_WORD0A_FD     0x0400
1332 #define EEPROM_WORD0A_66MHZ  0x0800
1333 
1334 /* Mask bits for fields in Word 0x0f of the EEPROM */
1335 #define EEPROM_WORD0F_PAUSE_MASK 0x3000
1336 #define EEPROM_WORD0F_PAUSE	 0x1000
1337 #define EEPROM_WORD0F_ASM_DIR	 0x2000
1338 #define EEPROM_WORD0F_ANE	 0x0800
1339 #define EEPROM_WORD0F_SWPDIO_EXT 0x00F0
1340 
1341 /* For checksumming, the sum of all words in the EEPROM should equal 0xBABA. */
1342 #define EEPROM_SUM 0xBABA
1343 
1344 /* EEPROM Map defines (WORD OFFSETS)*/
1345 #define EEPROM_NODE_ADDRESS_BYTE_0 0
1346 #define EEPROM_PBA_BYTE_1	   8
1347 
1348 /* EEPROM Map Sizes (Byte Counts) */
1349 #define PBA_SIZE 4
1350 
1351 /* Collision related configuration parameters */
1352 #define E1000_COLLISION_THRESHOLD	16
1353 #define E1000_CT_SHIFT			4
1354 #define E1000_COLLISION_DISTANCE	64
1355 #define E1000_FDX_COLLISION_DISTANCE	E1000_COLLISION_DISTANCE
1356 #define E1000_HDX_COLLISION_DISTANCE	E1000_COLLISION_DISTANCE
1357 #define E1000_GB_HDX_COLLISION_DISTANCE 512
1358 #define E1000_COLD_SHIFT		12
1359 
1360 /* The number of Transmit and Receive Descriptors must be a multiple of 8 */
1361 #define REQ_TX_DESCRIPTOR_MULTIPLE  8
1362 #define REQ_RX_DESCRIPTOR_MULTIPLE  8
1363 
1364 /* Default values for the transmit IPG register */
1365 #define DEFAULT_82542_TIPG_IPGT        10
1366 #define DEFAULT_82543_TIPG_IPGT_FIBER  9
1367 #define DEFAULT_82543_TIPG_IPGT_COPPER 8
1368 
1369 #define E1000_TIPG_IPGT_MASK  0x000003FF
1370 #define E1000_TIPG_IPGR1_MASK 0x000FFC00
1371 #define E1000_TIPG_IPGR2_MASK 0x3FF00000
1372 
1373 #define DEFAULT_82542_TIPG_IPGR1 2
1374 #define DEFAULT_82543_TIPG_IPGR1 8
1375 #define E1000_TIPG_IPGR1_SHIFT	10
1376 
1377 #define DEFAULT_82542_TIPG_IPGR2 10
1378 #define DEFAULT_82543_TIPG_IPGR2 6
1379 #define E1000_TIPG_IPGR2_SHIFT	20
1380 
1381 #define E1000_TXDMAC_DPP 0x00000001
1382 
1383 /* Adaptive IFS defines */
1384 #define TX_THRESHOLD_START     8
1385 #define TX_THRESHOLD_INCREMENT 10
1386 #define TX_THRESHOLD_DECREMENT 1
1387 #define TX_THRESHOLD_STOP      190
1388 #define TX_THRESHOLD_DISABLE   0
1389 #define TX_THRESHOLD_TIMER_MS  10000
1390 #define MIN_NUM_XMITS	       1000
1391 #define IFS_MAX		       80
1392 #define IFS_STEP	       10
1393 #define IFS_MIN		       40
1394 #define IFS_RATIO	       4
1395 
1396 /* PBA constants */
1397 #define E1000_PBA_16K 0x0010	/* 16KB, default TX allocation */
1398 #define E1000_PBA_24K 0x0018
1399 #define E1000_PBA_40K 0x0028
1400 #define E1000_PBA_48K 0x0030	/* 48KB, default RX allocation */
1401 
1402 /* Flow Control Constants */
1403 #define FLOW_CONTROL_ADDRESS_LOW  0x00C28001
1404 #define FLOW_CONTROL_ADDRESS_HIGH 0x00000100
1405 #define FLOW_CONTROL_TYPE	  0x8808
1406 
1407 /* The historical defaults for the flow control values are given below. */
1408 #define FC_DEFAULT_HI_THRESH	    (0x8000)	/* 32KB */
1409 #define FC_DEFAULT_LO_THRESH	    (0x4000)	/* 16KB */
1410 #define FC_DEFAULT_TX_TIMER	    (0x100)	/* ~130 us */
1411 
1412 /* Flow Control High-Watermark: 43464 bytes */
1413 #define E1000_FC_HIGH_THRESH 0xA9C8
1414 /* Flow Control Low-Watermark: 43456 bytes */
1415 #define E1000_FC_LOW_THRESH 0xA9C0
1416 /* Flow Control Pause Time: 858 usec */
1417 #define E1000_FC_PAUSE_TIME 0x0680
1418 
1419 /* PCIX Config space */
1420 #define PCIX_COMMAND_REGISTER	 0xE6
1421 #define PCIX_STATUS_REGISTER_LO  0xE8
1422 #define PCIX_STATUS_REGISTER_HI  0xEA
1423 
1424 #define PCIX_COMMAND_MMRBC_MASK      0x000C
1425 #define PCIX_COMMAND_MMRBC_SHIFT     0x2
1426 #define PCIX_STATUS_HI_MMRBC_MASK    0x0060
1427 #define PCIX_STATUS_HI_MMRBC_SHIFT   0x5
1428 #define PCIX_STATUS_HI_MMRBC_4K      0x3
1429 #define PCIX_STATUS_HI_MMRBC_2K      0x2
1430 
1431 /* The number of bits that we need to shift right to move the "pause"
1432  * bits from the EEPROM (bits 13:12) to the "pause" (bits 8:7) field
1433  * in the TXCW register
1434  */
1435 #define PAUSE_SHIFT 5
1436 
1437 /* The number of bits that we need to shift left to move the "SWDPIO"
1438  * bits from the EEPROM (bits 8:5) to the "SWDPIO" (bits 25:22) field
1439  * in the CTRL register
1440  */
1441 #define SWDPIO_SHIFT 17
1442 
1443 /* The number of bits that we need to shift left to move the "SWDPIO_EXT"
1444  * bits from the EEPROM word F (bits 7:4) to the bits 11:8 of The
1445  * Extended CTRL register.
1446  * in the CTRL register
1447  */
1448 #define SWDPIO__EXT_SHIFT 4
1449 
1450 /* The number of bits that we need to shift left to move the "ILOS"
1451  * bit from the EEPROM (bit 4) to the "ILOS" (bit 7) field
1452  * in the CTRL register
1453  */
1454 #define ILOS_SHIFT  3
1455 
1456 #define RECEIVE_BUFFER_ALIGN_SIZE  (256)
1457 
1458 /* The number of milliseconds we wait for auto-negotiation to complete */
1459 #define LINK_UP_TIMEOUT		    500
1460 
1461 #define E1000_TX_BUFFER_SIZE ((uint32_t)1514)
1462 
1463 /* The carrier extension symbol, as received by the NIC. */
1464 #define CARRIER_EXTENSION   0x0F
1465 
1466 /* TBI_ACCEPT macro definition:
1467  *
1468  * This macro requires:
1469  *	adapter = a pointer to struct e1000_hw
1470  *	status = the 8 bit status field of the RX descriptor with EOP set
1471  *	error = the 8 bit error field of the RX descriptor with EOP set
1472  *	length = the sum of all the length fields of the RX descriptors that
1473  *		 make up the current frame
1474  *	last_byte = the last byte of the frame DMAed by the hardware
1475  *	max_frame_length = the maximum frame length we want to accept.
1476  *	min_frame_length = the minimum frame length we want to accept.
1477  *
1478  * This macro is a conditional that should be used in the interrupt
1479  * handler's Rx processing routine when RxErrors have been detected.
1480  *
1481  * Typical use:
1482  *  ...
1483  *  if (TBI_ACCEPT) {
1484  *	accept_frame = TRUE;
1485  *	e1000_tbi_adjust_stats(adapter, MacAddress);
1486  *	frame_length--;
1487  *  } else {
1488  *	accept_frame = FALSE;
1489  *  }
1490  *  ...
1491  */
1492 
1493 #define TBI_ACCEPT(adapter, status, errors, length, last_byte) \
1494     ((adapter)->tbi_compatibility_on && \
1495      (((errors) & E1000_RXD_ERR_FRAME_ERR_MASK) == E1000_RXD_ERR_CE) && \
1496      ((last_byte) == CARRIER_EXTENSION) && \
1497      (((status) & E1000_RXD_STAT_VP) ? \
1498 	  (((length) > ((adapter)->min_frame_size - VLAN_TAG_SIZE)) && \
1499 	   ((length) <= ((adapter)->max_frame_size + 1))) : \
1500 	  (((length) > (adapter)->min_frame_size) && \
1501 	   ((length) <= ((adapter)->max_frame_size + VLAN_TAG_SIZE + 1)))))
1502 
1503 /* Structures, enums, and macros for the PHY */
1504 
1505 /* Bit definitions for the Management Data IO (MDIO) and Management Data
1506  * Clock (MDC) pins in the Device Control Register.
1507  */
1508 #define E1000_CTRL_PHY_RESET_DIR	E1000_CTRL_SWDPIO0
1509 #define E1000_CTRL_PHY_RESET		E1000_CTRL_SWDPIN0
1510 #define E1000_CTRL_MDIO_DIR		E1000_CTRL_SWDPIO2
1511 #define E1000_CTRL_MDIO			E1000_CTRL_SWDPIN2
1512 #define E1000_CTRL_MDC_DIR		E1000_CTRL_SWDPIO3
1513 #define E1000_CTRL_MDC			E1000_CTRL_SWDPIN3
1514 #define E1000_CTRL_PHY_RESET_DIR4	E1000_CTRL_EXT_SDP4_DIR
1515 #define E1000_CTRL_PHY_RESET4		E1000_CTRL_EXT_SDP4_DATA
1516 
1517 /* PHY 1000 MII Register/Bit Definitions */
1518 /* PHY Registers defined by IEEE */
1519 #define PHY_CTRL			0x00	/* Control Register */
1520 #define PHY_STATUS			0x01	/* Status Regiser */
1521 #define PHY_ID1				0x02	/* Phy Id Reg (word 1) */
1522 #define PHY_ID2				0x03	/* Phy Id Reg (word 2) */
1523 #define PHY_AUTONEG_ADV		0x04	/* Autoneg Advertisement */
1524 #define PHY_LP_ABILITY			0x05	/* Link Partner Ability (Base Page) */
1525 #define PHY_AUTONEG_EXP		0x06	/* Autoneg Expansion Reg */
1526 #define PHY_NEXT_PAGE_TX		0x07	/* Next Page TX */
1527 #define PHY_LP_NEXT_PAGE		0x08	/* Link Partner Next Page */
1528 #define PHY_1000T_CTRL			0x09	/* 1000Base-T Control Reg */
1529 #define PHY_1000T_STATUS		0x0A	/* 1000Base-T Status Reg */
1530 #define PHY_EXT_STATUS			0x0F	/* Extended Status Reg */
1531 
1532 /* M88E1000 Specific Registers */
1533 #define M88E1000_PHY_SPEC_CTRL		0x10	/* PHY Specific Control Register */
1534 #define M88E1000_PHY_SPEC_STATUS	0x11	/* PHY Specific Status Register */
1535 #define M88E1000_INT_ENABLE		0x12	/* Interrupt Enable Register */
1536 #define M88E1000_INT_STATUS		0x13	/* Interrupt Status Register */
1537 #define M88E1000_EXT_PHY_SPEC_CTRL	0x14	/* Extended PHY Specific Control */
1538 #define M88E1000_RX_ERR_CNTR		0x15	/* Receive Error Counter */
1539 
1540 #define MAX_PHY_REG_ADDRESS		0x1F	/* 5 bit address bus (0-0x1F) */
1541 
1542 /* IGP01E1000 specifics */
1543 #define IGP01E1000_IEEE_REGS_PAGE	0x0000
1544 #define IGP01E1000_IEEE_RESTART_AUTONEG 0x3300
1545 #define IGP01E1000_IEEE_FORCE_GIGA	0x0140
1546 
1547 /* IGP01E1000 Specific Registers */
1548 #define IGP01E1000_PHY_PORT_CONFIG	0x10 /* PHY Specific Port Config Register */
1549 #define IGP01E1000_PHY_PORT_STATUS	0x11 /* PHY Specific Status Register */
1550 #define IGP01E1000_PHY_PORT_CTRL	0x12 /* PHY Specific Control Register */
1551 #define IGP01E1000_PHY_LINK_HEALTH	0x13 /* PHY Link Health Register */
1552 #define IGP01E1000_GMII_FIFO		0x14 /* GMII FIFO Register */
1553 #define IGP01E1000_PHY_CHANNEL_QUALITY	0x15 /* PHY Channel Quality Register */
1554 #define IGP02E1000_PHY_POWER_MGMT	0x19
1555 #define IGP01E1000_PHY_PAGE_SELECT	0x1F /* PHY Page Select Core Register */
1556 
1557 /* PHY Control Register */
1558 #define MII_CR_SPEED_SELECT_MSB		0x0040	/* bits 6,13: 10=1000, 01=100, 00=10 */
1559 #define MII_CR_COLL_TEST_ENABLE		0x0080	/* Collision test enable */
1560 #define MII_CR_FULL_DUPLEX		0x0100	/* FDX =1, half duplex =0 */
1561 #define MII_CR_RESTART_AUTO_NEG		0x0200	/* Restart auto negotiation */
1562 #define MII_CR_ISOLATE			0x0400	/* Isolate PHY from MII */
1563 #define MII_CR_POWER_DOWN		0x0800	/* Power down */
1564 #define MII_CR_AUTO_NEG_EN		0x1000	/* Auto Neg Enable */
1565 #define MII_CR_SPEED_SELECT_LSB		0x2000	/* bits 6,13: 10=1000, 01=100, 00=10 */
1566 #define MII_CR_LOOPBACK			0x4000	/* 0 = normal, 1 = loopback */
1567 #define MII_CR_RESET			0x8000	/* 0 = normal, 1 = PHY reset */
1568 
1569 /* PHY Status Register */
1570 #define MII_SR_EXTENDED_CAPS		0x0001	/* Extended register capabilities */
1571 #define MII_SR_JABBER_DETECT		0x0002	/* Jabber Detected */
1572 #define MII_SR_LINK_STATUS		0x0004	/* Link Status 1 = link */
1573 #define MII_SR_AUTONEG_CAPS		0x0008	/* Auto Neg Capable */
1574 #define MII_SR_REMOTE_FAULT		0x0010	/* Remote Fault Detect */
1575 #define MII_SR_AUTONEG_COMPLETE		0x0020	/* Auto Neg Complete */
1576 #define MII_SR_PREAMBLE_SUPPRESS	0x0040	/* Preamble may be suppressed */
1577 #define MII_SR_EXTENDED_STATUS		0x0100	/* Ext. status info in Reg 0x0F */
1578 #define MII_SR_100T2_HD_CAPS		0x0200	/* 100T2 Half Duplex Capable */
1579 #define MII_SR_100T2_FD_CAPS		0x0400	/* 100T2 Full Duplex Capable */
1580 #define MII_SR_10T_HD_CAPS		0x0800	/* 10T	 Half Duplex Capable */
1581 #define MII_SR_10T_FD_CAPS		0x1000	/* 10T	 Full Duplex Capable */
1582 #define MII_SR_100X_HD_CAPS		0x2000	/* 100X  Half Duplex Capable */
1583 #define MII_SR_100X_FD_CAPS		0x4000	/* 100X  Full Duplex Capable */
1584 #define MII_SR_100T4_CAPS		0x8000	/* 100T4 Capable */
1585 
1586 /* Autoneg Advertisement Register */
1587 #define NWAY_AR_SELECTOR_FIELD		0x0001	/* indicates IEEE 802.3 CSMA/CD */
1588 #define NWAY_AR_10T_HD_CAPS		0x0020	/* 10T	 Half Duplex Capable */
1589 #define NWAY_AR_10T_FD_CAPS		0x0040	/* 10T	 Full Duplex Capable */
1590 #define NWAY_AR_100TX_HD_CAPS		0x0080	/* 100TX Half Duplex Capable */
1591 #define NWAY_AR_100TX_FD_CAPS		0x0100	/* 100TX Full Duplex Capable */
1592 #define NWAY_AR_100T4_CAPS		0x0200	/* 100T4 Capable */
1593 #define NWAY_AR_PAUSE			0x0400	/* Pause operation desired */
1594 #define NWAY_AR_ASM_DIR		0x0800	/* Asymmetric Pause Direction bit */
1595 #define NWAY_AR_REMOTE_FAULT		0x2000	/* Remote Fault detected */
1596 #define NWAY_AR_NEXT_PAGE		0x8000	/* Next Page ability supported */
1597 
1598 /* Link Partner Ability Register (Base Page) */
1599 #define NWAY_LPAR_SELECTOR_FIELD	0x0000	/* LP protocol selector field */
1600 #define NWAY_LPAR_10T_HD_CAPS		0x0020	/* LP is 10T   Half Duplex Capable */
1601 #define NWAY_LPAR_10T_FD_CAPS		0x0040	/* LP is 10T   Full Duplex Capable */
1602 #define NWAY_LPAR_100TX_HD_CAPS	0x0080	/* LP is 100TX Half Duplex Capable */
1603 #define NWAY_LPAR_100TX_FD_CAPS	0x0100	/* LP is 100TX Full Duplex Capable */
1604 #define NWAY_LPAR_100T4_CAPS		0x0200	/* LP is 100T4 Capable */
1605 #define NWAY_LPAR_PAUSE			0x0400	/* LP Pause operation desired */
1606 #define NWAY_LPAR_ASM_DIR		0x0800	/* LP Asymmetric Pause Direction bit */
1607 #define NWAY_LPAR_REMOTE_FAULT		0x2000	/* LP has detected Remote Fault */
1608 #define NWAY_LPAR_ACKNOWLEDGE		0x4000	/* LP has rx'd link code word */
1609 #define NWAY_LPAR_NEXT_PAGE		0x8000	/* Next Page ability supported */
1610 
1611 /* Autoneg Expansion Register */
1612 #define NWAY_ER_LP_NWAY_CAPS		0x0001	/* LP has Auto Neg Capability */
1613 #define NWAY_ER_PAGE_RXD		0x0002	/* LP is 10T   Half Duplex Capable */
1614 #define NWAY_ER_NEXT_PAGE_CAPS		0x0004	/* LP is 10T   Full Duplex Capable */
1615 #define NWAY_ER_LP_NEXT_PAGE_CAPS	0x0008	/* LP is 100TX Half Duplex Capable */
1616 #define NWAY_ER_PAR_DETECT_FAULT	0x0100	/* LP is 100TX Full Duplex Capable */
1617 
1618 /* Next Page TX Register */
1619 #define NPTX_MSG_CODE_FIELD		0x0001	/* NP msg code or unformatted data */
1620 #define NPTX_TOGGLE			0x0800	/* Toggles between exchanges
1621 						 * of different NP
1622 						 */
1623 #define NPTX_ACKNOWLDGE2		0x1000	/* 1 = will comply with msg
1624 						 * 0 = cannot comply with msg
1625 						 */
1626 #define NPTX_MSG_PAGE			0x2000	/* formatted(1)/unformatted(0) pg */
1627 #define NPTX_NEXT_PAGE			0x8000	/* 1 = addition NP will follow
1628 						 * 0 = sending last NP
1629 						 */
1630 
1631 /* Link Partner Next Page Register */
1632 #define LP_RNPR_MSG_CODE_FIELD		0x0001	/* NP msg code or unformatted data */
1633 #define LP_RNPR_TOGGLE			0x0800	/* Toggles between exchanges
1634 						 * of different NP
1635 						 */
1636 #define LP_RNPR_ACKNOWLDGE2		0x1000	/* 1 = will comply with msg
1637 						 * 0 = cannot comply with msg
1638 						 */
1639 #define LP_RNPR_MSG_PAGE		0x2000	/* formatted(1)/unformatted(0) pg */
1640 #define LP_RNPR_ACKNOWLDGE		0x4000	/* 1 = ACK / 0 = NO ACK */
1641 #define LP_RNPR_NEXT_PAGE		0x8000	/* 1 = addition NP will follow
1642 						 * 0 = sending last NP
1643 						 */
1644 
1645 /* 1000BASE-T Control Register */
1646 #define CR_1000T_ASYM_PAUSE		0x0080	/* Advertise asymmetric pause bit */
1647 #define CR_1000T_HD_CAPS		0x0100	/* Advertise 1000T HD capability */
1648 #define CR_1000T_FD_CAPS		0x0200	/* Advertise 1000T FD capability  */
1649 #define CR_1000T_REPEATER_DTE		0x0400	/* 1=Repeater/switch device port */
1650 						/* 0=DTE device */
1651 #define CR_1000T_MS_VALUE		0x0800	/* 1=Configure PHY as Master */
1652 						/* 0=Configure PHY as Slave */
1653 #define CR_1000T_MS_ENABLE		0x1000	/* 1=Master/Slave manual config value */
1654 						/* 0=Automatic Master/Slave config */
1655 #define CR_1000T_TEST_MODE_NORMAL	0x0000	/* Normal Operation */
1656 #define CR_1000T_TEST_MODE_1		0x2000	/* Transmit Waveform test */
1657 #define CR_1000T_TEST_MODE_2		0x4000	/* Master Transmit Jitter test */
1658 #define CR_1000T_TEST_MODE_3		0x6000	/* Slave Transmit Jitter test */
1659 #define CR_1000T_TEST_MODE_4		0x8000	/* Transmitter Distortion test */
1660 
1661 /* 1000BASE-T Status Register */
1662 #define SR_1000T_IDLE_ERROR_CNT	0x00FF	/* Num idle errors since last read */
1663 #define SR_1000T_ASYM_PAUSE_DIR	0x0100	/* LP asymmetric pause direction bit */
1664 #define SR_1000T_LP_HD_CAPS		0x0400	/* LP is 1000T HD capable */
1665 #define SR_1000T_LP_FD_CAPS		0x0800	/* LP is 1000T FD capable */
1666 #define SR_1000T_REMOTE_RX_STATUS	0x1000	/* Remote receiver OK */
1667 #define SR_1000T_LOCAL_RX_STATUS	0x2000	/* Local receiver OK */
1668 #define SR_1000T_MS_CONFIG_RES		0x4000	/* 1=Local TX is Master, 0=Slave */
1669 #define SR_1000T_MS_CONFIG_FAULT	0x8000	/* Master/Slave config fault */
1670 #define SR_1000T_REMOTE_RX_STATUS_SHIFT 12
1671 #define SR_1000T_LOCAL_RX_STATUS_SHIFT	13
1672 
1673 /* Extended Status Register */
1674 #define IEEE_ESR_1000T_HD_CAPS		0x1000	/* 1000T HD capable */
1675 #define IEEE_ESR_1000T_FD_CAPS		0x2000	/* 1000T FD capable */
1676 #define IEEE_ESR_1000X_HD_CAPS		0x4000	/* 1000X HD capable */
1677 #define IEEE_ESR_1000X_FD_CAPS		0x8000	/* 1000X FD capable */
1678 
1679 #define PHY_TX_POLARITY_MASK		0x0100	/* register 10h bit 8 (polarity bit) */
1680 #define PHY_TX_NORMAL_POLARITY		0	/* register 10h bit 8 (normal polarity) */
1681 
1682 #define AUTO_POLARITY_DISABLE		0x0010	/* register 11h bit 4 */
1683 						/* (0=enable, 1=disable) */
1684 
1685 /* M88E1000 PHY Specific Control Register */
1686 #define M88E1000_PSCR_JABBER_DISABLE	0x0001	/* 1=Jabber Function disabled */
1687 #define M88E1000_PSCR_POLARITY_REVERSAL 0x0002	/* 1=Polarity Reversal enabled */
1688 #define M88E1000_PSCR_SQE_TEST		0x0004	/* 1=SQE Test enabled */
1689 #define M88E1000_PSCR_CLK125_DISABLE	0x0010	/* 1=CLK125 low,
1690 						 * 0=CLK125 toggling
1691 						 */
1692 #define M88E1000_PSCR_MDI_MANUAL_MODE	0x0000	/* MDI Crossover Mode bits 6:5 */
1693 						/* Manual MDI configuration */
1694 #define M88E1000_PSCR_MDIX_MANUAL_MODE	0x0020	/* Manual MDIX configuration */
1695 #define M88E1000_PSCR_AUTO_X_1000T	0x0040	/* 1000BASE-T: Auto crossover,
1696 						 *  100BASE-TX/10BASE-T:
1697 						 *  MDI Mode
1698 						 */
1699 #define M88E1000_PSCR_AUTO_X_MODE	0x0060	/* Auto crossover enabled
1700 						 * all speeds.
1701 						 */
1702 #define M88E1000_PSCR_10BT_EXT_DIST_ENABLE 0x0080
1703 						/* 1=Enable Extended 10BASE-T distance
1704 						 * (Lower 10BASE-T RX Threshold)
1705 						 * 0=Normal 10BASE-T RX Threshold */
1706 #define M88E1000_PSCR_MII_5BIT_ENABLE	0x0100
1707 						/* 1=5-Bit interface in 100BASE-TX
1708 						 * 0=MII interface in 100BASE-TX */
1709 #define M88E1000_PSCR_SCRAMBLER_DISABLE 0x0200	/* 1=Scrambler disable */
1710 #define M88E1000_PSCR_FORCE_LINK_GOOD	0x0400	/* 1=Force link good */
1711 #define M88E1000_PSCR_ASSERT_CRS_ON_TX	0x0800	/* 1=Assert CRS on Transmit */
1712 
1713 #define M88E1000_PSCR_POLARITY_REVERSAL_SHIFT	 1
1714 #define M88E1000_PSCR_AUTO_X_MODE_SHIFT		 5
1715 #define M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7
1716 
1717 /* M88E1000 PHY Specific Status Register */
1718 #define M88E1000_PSSR_JABBER		0x0001	/* 1=Jabber */
1719 #define M88E1000_PSSR_REV_POLARITY	0x0002	/* 1=Polarity reversed */
1720 #define M88E1000_PSSR_MDIX		0x0040	/* 1=MDIX; 0=MDI */
1721 #define M88E1000_PSSR_CABLE_LENGTH	0x0380	/* 0=<50M;1=50-80M;2=80-110M;
1722 						 * 3=110-140M;4=>140M */
1723 #define M88E1000_PSSR_LINK		0x0400	/* 1=Link up, 0=Link down */
1724 #define M88E1000_PSSR_SPD_DPLX_RESOLVED 0x0800	/* 1=Speed & Duplex resolved */
1725 #define M88E1000_PSSR_PAGE_RCVD		0x1000	/* 1=Page received */
1726 #define M88E1000_PSSR_DPLX		0x2000	/* 1=Duplex 0=Half Duplex */
1727 #define M88E1000_PSSR_SPEED		0xC000	/* Speed, bits 14:15 */
1728 #define M88E1000_PSSR_10MBS		0x0000	/* 00=10Mbs */
1729 #define M88E1000_PSSR_100MBS		0x4000	/* 01=100Mbs */
1730 #define M88E1000_PSSR_1000MBS		0x8000	/* 10=1000Mbs */
1731 
1732 #define M88E1000_PSSR_REV_POLARITY_SHIFT 1
1733 #define M88E1000_PSSR_MDIX_SHIFT	 6
1734 #define M88E1000_PSSR_CABLE_LENGTH_SHIFT 7
1735 
1736 /* M88E1000 Extended PHY Specific Control Register */
1737 #define M88E1000_EPSCR_FIBER_LOOPBACK	0x4000	/* 1=Fiber loopback */
1738 #define M88E1000_EPSCR_DOWN_NO_IDLE	0x8000	/* 1=Lost lock detect enabled.
1739 						 * Will assert lost lock and bring
1740 						 * link down if idle not seen
1741 						 * within 1ms in 1000BASE-T
1742 						 */
1743 /* Number of times we will attempt to autonegotiate before downshifting if we
1744  * are the master */
1745 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00
1746 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_1X   0x0000
1747 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_2X   0x0400
1748 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_3X   0x0800
1749 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_4X   0x0C00
1750 /* Number of times we will attempt to autonegotiate before downshifting if we
1751  * are the slave */
1752 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK  0x0300
1753 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_DIS   0x0000
1754 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X    0x0100
1755 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_2X    0x0200
1756 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_3X    0x0300
1757 #define M88E1000_EPSCR_TX_CLK_2_5	0x0060	/* 2.5 MHz TX_CLK */
1758 #define M88E1000_EPSCR_TX_CLK_25	0x0070	/* 25  MHz TX_CLK */
1759 #define M88E1000_EPSCR_TX_CLK_0	0x0000	/* NO  TX_CLK */
1760 
1761 /* Bit definitions for valid PHY IDs. */
1762 #define M88E1000_E_PHY_ID		0x01410C50
1763 #define M88E1000_I_PHY_ID		0x01410C30
1764 #define M88E1011_I_PHY_ID		0x01410C20
1765 #define M88E1000_12_PHY_ID		M88E1000_E_PHY_ID
1766 #define M88E1000_14_PHY_ID		M88E1000_E_PHY_ID
1767 #define IGP01E1000_I_PHY_ID		0x02A80380
1768 
1769 /* Miscellaneous PHY bit definitions. */
1770 #define PHY_PREAMBLE			0xFFFFFFFF
1771 #define PHY_SOF				0x01
1772 #define PHY_OP_READ			0x02
1773 #define PHY_OP_WRITE			0x01
1774 #define PHY_TURNAROUND			0x02
1775 #define PHY_PREAMBLE_SIZE		32
1776 #define MII_CR_SPEED_1000		0x0040
1777 #define MII_CR_SPEED_100		0x2000
1778 #define MII_CR_SPEED_10		0x0000
1779 #define E1000_PHY_ADDRESS		0x01
1780 #define PHY_AUTO_NEG_TIME		45	/* 4.5 Seconds */
1781 #define PHY_FORCE_TIME			20	/* 2.0 Seconds */
1782 #define PHY_REVISION_MASK		0xFFFFFFF0
1783 #define DEVICE_SPEED_MASK		0x00000300	/* Device Ctrl Reg Speed Mask */
1784 #define REG4_SPEED_MASK		0x01E0
1785 #define REG9_SPEED_MASK		0x0300
1786 #define ADVERTISE_10_HALF		0x0001
1787 #define ADVERTISE_10_FULL		0x0002
1788 #define ADVERTISE_100_HALF		0x0004
1789 #define ADVERTISE_100_FULL		0x0008
1790 #define ADVERTISE_1000_HALF		0x0010
1791 #define ADVERTISE_1000_FULL		0x0020
1792 #define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x002F	/* Everything but 1000-Half */
1793 
1794 #endif	/* _E1000_HW_H_ */
1795