if_skreg.h revision 122258
1/*	$OpenBSD: if_skreg.h,v 1.10 2003/08/12 05:23:06 nate Exp $	*/
2
3/*
4 * Copyright (c) 1997, 1998, 1999, 2000
5 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Bill Paul.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 * $FreeBSD: head/sys/dev/sk/if_skreg.h 122258 2003-11-07 22:04:26Z peter $
35 */
36
37/*
38 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
39 *
40 * Permission to use, copy, modify, and distribute this software for any
41 * purpose with or without fee is hereby granted, provided that the above
42 * copyright notice and this permission notice appear in all copies.
43 *
44 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
45 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
46 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
47 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
48 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
49 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
50 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
51 */
52
53/* Values to keep the different chip revisions apart */
54#define SK_GENESIS 0
55#define SK_YUKON 1
56
57/*
58 * SysKonnect PCI vendor ID
59 */
60#define VENDORID_SK		0x1148
61
62/*
63 * SK-NET gigabit ethernet device IDs
64 */
65#define DEVICEID_SK_V1		0x4300
66#define DEVICEID_SK_V2		0x4320
67
68/*
69 * 3Com PCI vendor ID
70 */
71#define VENDORID_3COM		0x10b7
72
73/*
74 * 3Com gigabit ethernet device ID
75 */
76#define DEVICEID_3COM_3C940	0x1700
77
78/*
79 * Linksys PCI vendor ID
80 */
81#define VENDORID_LINKSYS	0x1737
82
83/*
84 * Linksys gigabit ethernet device ID
85 */
86#define DEVICEID_LINKSYS_EG1032	0x1032
87
88/*
89 * GEnesis registers. The GEnesis chip has a 256-byte I/O window
90 * but internally it has a 16K register space. This 16K space is
91 * divided into 128-byte blocks. The first 128 bytes of the I/O
92 * window represent the first block, which is permanently mapped
93 * at the start of the window. The other 127 blocks can be mapped
94 * to the second 128 bytes of the I/O window by setting the desired
95 * block value in the RAP register in block 0. Not all of the 127
96 * blocks are actually used. Most registers are 32 bits wide, but
97 * there are a few 16-bit and 8-bit ones as well.
98 */
99
100
101/* Start of remappable register window. */
102#define SK_WIN_BASE		0x0080
103
104/* Size of a window */
105#define SK_WIN_LEN		0x80
106
107#define SK_WIN_MASK		0x3F80
108#define SK_REG_MASK		0x7F
109
110/* Compute the window of a given register (for the RAP register) */
111#define SK_WIN(reg)		(((reg) & SK_WIN_MASK) / SK_WIN_LEN)
112
113/* Compute the relative offset of a register within the window */
114#define SK_REG(reg)		((reg) & SK_REG_MASK)
115
116#define SK_PORT_A	0
117#define SK_PORT_B	1
118
119/*
120 * Compute offset of port-specific register. Since there are two
121 * ports, there are two of some GEnesis modules (e.g. two sets of
122 * DMA queues, two sets of FIFO control registers, etc...). Normally,
123 * the block for port 0 is at offset 0x0 and the block for port 1 is
124 * at offset 0x80 (i.e. the next page over). However for the transmit
125 * BMUs and RAMbuffers, there are two blocks for each port: one for
126 * the sync transmit queue and one for the async queue (which we don't
127 * use). However instead of ordering them like this:
128 * TX sync 1 / TX sync 2 / TX async 1 / TX async 2
129 * SysKonnect has instead ordered them like this:
130 * TX sync 1 / TX async 1 / TX sync 2 / TX async 2
131 * This means that when referencing the TX BMU and RAMbuffer registers,
132 * we have to double the block offset (0x80 * 2) in order to reach the
133 * second queue. This prevents us from using the same formula
134 * (sk_port * 0x80) to compute the offsets for all of the port-specific
135 * blocks: we need an extra offset for the BMU and RAMbuffer registers.
136 * The simplest thing is to provide an extra argument to these macros:
137 * the 'skip' parameter. The 'skip' value is the number of extra pages
138 * for skip when computing the port0/port1 offsets. For most registers,
139 * the skip value is 0; for the BMU and RAMbuffer registers, it's 1.
140 */
141#define SK_IF_READ_4(sc_if, skip, reg)		\
142	sk_win_read_4(sc_if->sk_softc, reg +	\
143	((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN))
144#define SK_IF_READ_2(sc_if, skip, reg)		\
145	sk_win_read_2(sc_if->sk_softc, reg + 	\
146	((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN))
147#define SK_IF_READ_1(sc_if, skip, reg)		\
148	sk_win_read_1(sc_if->sk_softc, reg +	\
149	((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN))
150
151#define SK_IF_WRITE_4(sc_if, skip, reg, val)	\
152	sk_win_write_4(sc_if->sk_softc,		\
153	reg + ((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN), val)
154#define SK_IF_WRITE_2(sc_if, skip, reg, val)	\
155	sk_win_write_2(sc_if->sk_softc,		\
156	reg + ((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN), val)
157#define SK_IF_WRITE_1(sc_if, skip, reg, val)	\
158	sk_win_write_1(sc_if->sk_softc,		\
159	reg + ((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN), val)
160
161/* Block 0 registers, permanently mapped at iobase. */
162#define SK_RAP		0x0000
163#define SK_CSR		0x0004
164#define SK_LED		0x0006
165#define SK_ISR		0x0008	/* interrupt source */
166#define SK_IMR		0x000C	/* interrupt mask */
167#define SK_IESR		0x0010	/* interrupt hardware error source */
168#define SK_IEMR		0x0014  /* interrupt hardware error mask */
169#define SK_ISSR		0x0018	/* special interrupt source */
170#define SK_XM_IMR0	0x0020
171#define SK_XM_ISR0	0x0028
172#define SK_XM_PHYADDR0	0x0030
173#define SK_XM_PHYDATA0	0x0034
174#define SK_XM_IMR1	0x0040
175#define SK_XM_ISR1	0x0048
176#define SK_XM_PHYADDR1	0x0050
177#define SK_XM_PHYDATA1	0x0054
178#define SK_BMU_RX_CSR0	0x0060
179#define SK_BMU_RX_CSR1	0x0064
180#define SK_BMU_TXS_CSR0	0x0068
181#define SK_BMU_TXA_CSR0	0x006C
182#define SK_BMU_TXS_CSR1	0x0070
183#define SK_BMU_TXA_CSR1	0x0074
184
185/* SK_CSR register */
186#define SK_CSR_SW_RESET			0x0001
187#define SK_CSR_SW_UNRESET		0x0002
188#define SK_CSR_MASTER_RESET		0x0004
189#define SK_CSR_MASTER_UNRESET		0x0008
190#define SK_CSR_MASTER_STOP		0x0010
191#define SK_CSR_MASTER_DONE		0x0020
192#define SK_CSR_SW_IRQ_CLEAR		0x0040
193#define SK_CSR_SW_IRQ_SET		0x0080
194#define SK_CSR_SLOTSIZE			0x0100 /* 1 == 64 bits, 0 == 32 */
195#define SK_CSR_BUSCLOCK			0x0200 /* 1 == 33/66 Mhz, = 33 */
196
197/* SK_LED register */
198#define SK_LED_GREEN_OFF		0x01
199#define SK_LED_GREEN_ON			0x02
200
201/* SK_ISR register */
202#define SK_ISR_TX2_AS_CHECK		0x00000001
203#define SK_ISR_TX2_AS_EOF		0x00000002
204#define SK_ISR_TX2_AS_EOB		0x00000004
205#define SK_ISR_TX2_S_CHECK		0x00000008
206#define SK_ISR_TX2_S_EOF		0x00000010
207#define SK_ISR_TX2_S_EOB		0x00000020
208#define SK_ISR_TX1_AS_CHECK		0x00000040
209#define SK_ISR_TX1_AS_EOF		0x00000080
210#define SK_ISR_TX1_AS_EOB		0x00000100
211#define SK_ISR_TX1_S_CHECK		0x00000200
212#define SK_ISR_TX1_S_EOF		0x00000400
213#define SK_ISR_TX1_S_EOB		0x00000800
214#define SK_ISR_RX2_CHECK		0x00001000
215#define SK_ISR_RX2_EOF			0x00002000
216#define SK_ISR_RX2_EOB			0x00004000
217#define SK_ISR_RX1_CHECK		0x00008000
218#define SK_ISR_RX1_EOF			0x00010000
219#define SK_ISR_RX1_EOB			0x00020000
220#define SK_ISR_LINK2_OFLOW		0x00040000
221#define SK_ISR_MAC2			0x00080000
222#define SK_ISR_LINK1_OFLOW		0x00100000
223#define SK_ISR_MAC1			0x00200000
224#define SK_ISR_TIMER			0x00400000
225#define SK_ISR_EXTERNAL_REG		0x00800000
226#define SK_ISR_SW			0x01000000
227#define SK_ISR_I2C_RDY			0x02000000
228#define SK_ISR_TX2_TIMEO		0x04000000
229#define SK_ISR_TX1_TIMEO		0x08000000
230#define SK_ISR_RX2_TIMEO		0x10000000
231#define SK_ISR_RX1_TIMEO		0x20000000
232#define SK_ISR_RSVD			0x40000000
233#define SK_ISR_HWERR			0x80000000
234
235/* SK_IMR register */
236#define SK_IMR_TX2_AS_CHECK		0x00000001
237#define SK_IMR_TX2_AS_EOF		0x00000002
238#define SK_IMR_TX2_AS_EOB		0x00000004
239#define SK_IMR_TX2_S_CHECK		0x00000008
240#define SK_IMR_TX2_S_EOF		0x00000010
241#define SK_IMR_TX2_S_EOB		0x00000020
242#define SK_IMR_TX1_AS_CHECK		0x00000040
243#define SK_IMR_TX1_AS_EOF		0x00000080
244#define SK_IMR_TX1_AS_EOB		0x00000100
245#define SK_IMR_TX1_S_CHECK		0x00000200
246#define SK_IMR_TX1_S_EOF		0x00000400
247#define SK_IMR_TX1_S_EOB		0x00000800
248#define SK_IMR_RX2_CHECK		0x00001000
249#define SK_IMR_RX2_EOF			0x00002000
250#define SK_IMR_RX2_EOB			0x00004000
251#define SK_IMR_RX1_CHECK		0x00008000
252#define SK_IMR_RX1_EOF			0x00010000
253#define SK_IMR_RX1_EOB			0x00020000
254#define SK_IMR_LINK2_OFLOW		0x00040000
255#define SK_IMR_MAC2			0x00080000
256#define SK_IMR_LINK1_OFLOW		0x00100000
257#define SK_IMR_MAC1			0x00200000
258#define SK_IMR_TIMER			0x00400000
259#define SK_IMR_EXTERNAL_REG		0x00800000
260#define SK_IMR_SW			0x01000000
261#define SK_IMR_I2C_RDY			0x02000000
262#define SK_IMR_TX2_TIMEO		0x04000000
263#define SK_IMR_TX1_TIMEO		0x08000000
264#define SK_IMR_RX2_TIMEO		0x10000000
265#define SK_IMR_RX1_TIMEO		0x20000000
266#define SK_IMR_RSVD			0x40000000
267#define SK_IMR_HWERR			0x80000000
268
269#define SK_INTRS1	\
270	(SK_IMR_RX1_EOF|SK_IMR_TX1_S_EOF|SK_IMR_MAC1)
271
272#define SK_INTRS2	\
273	(SK_IMR_RX2_EOF|SK_IMR_TX2_S_EOF|SK_IMR_MAC2)
274
275/* SK_IESR register */
276#define SK_IESR_PAR_RX2			0x00000001
277#define SK_IESR_PAR_RX1			0x00000002
278#define SK_IESR_PAR_MAC2		0x00000004
279#define SK_IESR_PAR_MAC1		0x00000008
280#define SK_IESR_PAR_WR_RAM		0x00000010
281#define SK_IESR_PAR_RD_RAM		0x00000020
282#define SK_IESR_NO_TSTAMP_MAC2		0x00000040
283#define SK_IESR_NO_TSTAMO_MAC1		0x00000080
284#define SK_IESR_NO_STS_MAC2		0x00000100
285#define SK_IESR_NO_STS_MAC1		0x00000200
286#define SK_IESR_IRQ_STS			0x00000400
287#define SK_IESR_MASTERERR		0x00000800
288
289/* SK_IEMR register */
290#define SK_IEMR_PAR_RX2			0x00000001
291#define SK_IEMR_PAR_RX1			0x00000002
292#define SK_IEMR_PAR_MAC2		0x00000004
293#define SK_IEMR_PAR_MAC1		0x00000008
294#define SK_IEMR_PAR_WR_RAM		0x00000010
295#define SK_IEMR_PAR_RD_RAM		0x00000020
296#define SK_IEMR_NO_TSTAMP_MAC2		0x00000040
297#define SK_IEMR_NO_TSTAMO_MAC1		0x00000080
298#define SK_IEMR_NO_STS_MAC2		0x00000100
299#define SK_IEMR_NO_STS_MAC1		0x00000200
300#define SK_IEMR_IRQ_STS			0x00000400
301#define SK_IEMR_MASTERERR		0x00000800
302
303/* Block 2 */
304#define SK_MAC0_0	0x0100
305#define SK_MAC0_1	0x0104
306#define SK_MAC1_0	0x0108
307#define SK_MAC1_1	0x010C
308#define SK_MAC2_0	0x0110
309#define SK_MAC2_1	0x0114
310#define SK_CONNTYPE	0x0118
311#define SK_PMDTYPE	0x0119
312#define SK_CONFIG	0x011A
313#define SK_CHIPVER	0x011B
314#define SK_EPROM0	0x011C
315#define SK_EPROM1	0x011D
316#define SK_EPROM2	0x011E
317#define SK_EPROM3	0x011F
318#define SK_EP_ADDR	0x0120
319#define SK_EP_DATA	0x0124
320#define SK_EP_LOADCTL	0x0128
321#define SK_EP_LOADTST	0x0129
322#define SK_TIMERINIT	0x0130
323#define SK_TIMER	0x0134
324#define SK_TIMERCTL	0x0138
325#define SK_TIMERTST	0x0139
326#define SK_IMTIMERINIT	0x0140
327#define SK_IMTIMER	0x0144
328#define SK_IMTIMERCTL	0x0148
329#define SK_IMTIMERTST	0x0149
330#define SK_IMMR		0x014C
331#define SK_IHWEMR	0x0150
332#define SK_TESTCTL1	0x0158
333#define SK_TESTCTL2	0x0159
334#define SK_GPIO		0x015C
335#define SK_I2CHWCTL	0x0160
336#define SK_I2CHWDATA	0x0164
337#define SK_I2CHWIRQ	0x0168
338#define SK_I2CSW	0x016C
339#define SK_BLNKINIT	0x0170
340#define SK_BLNKCOUNT	0x0174
341#define SK_BLNKCTL	0x0178
342#define SK_BLNKSTS	0x0179
343#define SK_BLNKTST	0x017A
344
345#define SK_IMCTL_STOP	0x02
346#define SK_IMCTL_START	0x04
347
348#define SK_IMTIMER_TICKS	54
349#define SK_IM_USECS(x)		((x) * SK_IMTIMER_TICKS)
350
351/*
352 * The SK_EPROM0 register contains a byte that describes the
353 * amount of SRAM mounted on the NIC. The value also tells if
354 * the chips are 64K or 128K. This affects the RAMbuffer address
355 * offset that we need to use.
356 */
357#define SK_RAMSIZE_512K_64	0x1
358#define SK_RAMSIZE_1024K_128	0x2
359#define SK_RAMSIZE_1024K_64	0x3
360#define SK_RAMSIZE_2048K_128	0x4
361
362#define SK_RBOFF_0		0x0
363#define SK_RBOFF_80000		0x80000
364
365/*
366 * SK_EEPROM1 contains the PHY type, which may be XMAC for
367 * fiber-based cards or BCOM for 1000baseT cards with a Broadcom
368 * PHY.
369 */
370#define SK_PHYTYPE_XMAC		0	/* integeated XMAC II PHY */
371#define SK_PHYTYPE_BCOM		1	/* Broadcom BCM5400 */
372#define SK_PHYTYPE_LONE		2	/* Level One LXT1000 */
373#define SK_PHYTYPE_NAT		3	/* National DP83891 */
374#define SK_PHYTYPE_MARV_COPPER	4       /* Marvell 88E1011S */
375#define SK_PHYTYPE_MARV_FIBER	5       /* Marvell 88E1011S (fiber) */
376
377/*
378 * PHY addresses.
379 */
380#define SK_PHYADDR_XMAC		0x0
381#define SK_PHYADDR_BCOM		0x1
382#define SK_PHYADDR_LONE		0x3
383#define SK_PHYADDR_NAT		0x0
384#define SK_PHYADDR_MARV		0x0
385
386#define SK_CONFIG_SINGLEMAC	0x01
387#define SK_CONFIG_DIS_DSL_CLK	0x02
388
389#define SK_PMD_1000BASELX	0x4C
390#define SK_PMD_1000BASESX	0x53
391#define SK_PMD_1000BASECX	0x43
392#define SK_PMD_1000BASETX	0x54
393
394/* GPIO bits */
395#define SK_GPIO_DAT0		0x00000001
396#define SK_GPIO_DAT1		0x00000002
397#define SK_GPIO_DAT2		0x00000004
398#define SK_GPIO_DAT3		0x00000008
399#define SK_GPIO_DAT4		0x00000010
400#define SK_GPIO_DAT5		0x00000020
401#define SK_GPIO_DAT6		0x00000040
402#define SK_GPIO_DAT7		0x00000080
403#define SK_GPIO_DAT8		0x00000100
404#define SK_GPIO_DAT9		0x00000200
405#define SK_GPIO_DIR0		0x00010000
406#define SK_GPIO_DIR1		0x00020000
407#define SK_GPIO_DIR2		0x00040000
408#define SK_GPIO_DIR3		0x00080000
409#define SK_GPIO_DIR4		0x00100000
410#define SK_GPIO_DIR5		0x00200000
411#define SK_GPIO_DIR6		0x00400000
412#define SK_GPIO_DIR7		0x00800000
413#define SK_GPIO_DIR8		0x01000000
414#define SK_GPIO_DIR9		0x02000000
415
416/* Block 3 Ram interface and MAC arbiter registers */
417#define SK_RAMADDR	0x0180
418#define SK_RAMDATA0	0x0184
419#define SK_RAMDATA1	0x0188
420#define SK_TO0		0x0190
421#define SK_TO1		0x0191
422#define SK_TO2		0x0192
423#define SK_TO3		0x0193
424#define SK_TO4		0x0194
425#define SK_TO5		0x0195
426#define SK_TO6		0x0196
427#define SK_TO7		0x0197
428#define SK_TO8		0x0198
429#define SK_TO9		0x0199
430#define SK_TO10		0x019A
431#define SK_TO11		0x019B
432#define SK_RITIMEO_TMR	0x019C
433#define SK_RAMCTL	0x01A0
434#define SK_RITIMER_TST	0x01A2
435
436#define SK_RAMCTL_RESET		0x0001
437#define SK_RAMCTL_UNRESET	0x0002
438#define SK_RAMCTL_CLR_IRQ_WPAR	0x0100
439#define SK_RAMCTL_CLR_IRQ_RPAR	0x0200
440
441/* Mac arbiter registers */
442#define SK_MINIT_RX1	0x01B0
443#define SK_MINIT_RX2	0x01B1
444#define SK_MINIT_TX1	0x01B2
445#define SK_MINIT_TX2	0x01B3
446#define SK_MTIMEO_RX1	0x01B4
447#define SK_MTIMEO_RX2	0x01B5
448#define SK_MTIMEO_TX1	0x01B6
449#define SK_MTIEMO_TX2	0x01B7
450#define SK_MACARB_CTL	0x01B8
451#define SK_MTIMER_TST	0x01BA
452#define SK_RCINIT_RX1	0x01C0
453#define SK_RCINIT_RX2	0x01C1
454#define SK_RCINIT_TX1	0x01C2
455#define SK_RCINIT_TX2	0x01C3
456#define SK_RCTIMEO_RX1	0x01C4
457#define SK_RCTIMEO_RX2	0x01C5
458#define SK_RCTIMEO_TX1	0x01C6
459#define SK_RCTIMEO_TX2	0x01C7
460#define SK_RECOVERY_CTL	0x01C8
461#define SK_RCTIMER_TST	0x01CA
462
463/* Packet arbiter registers */
464#define SK_RXPA1_TINIT	0x01D0
465#define SK_RXPA2_TINIT	0x01D4
466#define SK_TXPA1_TINIT	0x01D8
467#define SK_TXPA2_TINIT	0x01DC
468#define SK_RXPA1_TIMEO	0x01E0
469#define SK_RXPA2_TIMEO	0x01E4
470#define SK_TXPA1_TIMEO	0x01E8
471#define SK_TXPA2_TIMEO	0x01EC
472#define SK_PKTARB_CTL	0x01F0
473#define SK_PKTATB_TST	0x01F2
474
475#define SK_PKTARB_TIMEOUT	0x2000
476
477#define SK_PKTARBCTL_RESET		0x0001
478#define SK_PKTARBCTL_UNRESET		0x0002
479#define SK_PKTARBCTL_RXTO1_OFF		0x0004
480#define SK_PKTARBCTL_RXTO1_ON		0x0008
481#define SK_PKTARBCTL_RXTO2_OFF		0x0010
482#define SK_PKTARBCTL_RXTO2_ON		0x0020
483#define SK_PKTARBCTL_TXTO1_OFF		0x0040
484#define SK_PKTARBCTL_TXTO1_ON		0x0080
485#define SK_PKTARBCTL_TXTO2_OFF		0x0100
486#define SK_PKTARBCTL_TXTO2_ON		0x0200
487#define SK_PKTARBCTL_CLR_IRQ_RXTO1	0x0400
488#define SK_PKTARBCTL_CLR_IRQ_RXTO2	0x0800
489#define SK_PKTARBCTL_CLR_IRQ_TXTO1	0x1000
490#define SK_PKTARBCTL_CLR_IRQ_TXTO2	0x2000
491
492#define SK_MINIT_XMAC_B2	54
493#define SK_MINIT_XMAC_C1	63
494
495#define SK_MACARBCTL_RESET	0x0001
496#define SK_MACARBCTL_UNRESET	0x0002
497#define SK_MACARBCTL_FASTOE_OFF	0x0004
498#define SK_MACARBCRL_FASTOE_ON	0x0008
499
500#define SK_RCINIT_XMAC_B2	54
501#define SK_RCINIT_XMAC_C1	0
502
503#define SK_RECOVERYCTL_RX1_OFF	0x0001
504#define SK_RECOVERYCTL_RX1_ON	0x0002
505#define SK_RECOVERYCTL_RX2_OFF	0x0004
506#define SK_RECOVERYCTL_RX2_ON	0x0008
507#define SK_RECOVERYCTL_TX1_OFF	0x0010
508#define SK_RECOVERYCTL_TX1_ON	0x0020
509#define SK_RECOVERYCTL_TX2_OFF	0x0040
510#define SK_RECOVERYCTL_TX2_ON	0x0080
511
512#define SK_RECOVERY_XMAC_B2				\
513	(SK_RECOVERYCTL_RX1_ON|SK_RECOVERYCTL_RX2_ON|	\
514	SK_RECOVERYCTL_TX1_ON|SK_RECOVERYCTL_TX2_ON)
515
516#define SK_RECOVERY_XMAC_C1				\
517	(SK_RECOVERYCTL_RX1_OFF|SK_RECOVERYCTL_RX2_OFF|	\
518	SK_RECOVERYCTL_TX1_OFF|SK_RECOVERYCTL_TX2_OFF)
519
520/* Block 4 -- TX Arbiter MAC 1 */
521#define SK_TXAR1_TIMERINIT	0x0200
522#define SK_TXAR1_TIMERVAL	0x0204
523#define SK_TXAR1_LIMITINIT	0x0208
524#define SK_TXAR1_LIMITCNT	0x020C
525#define SK_TXAR1_COUNTERCTL	0x0210
526#define SK_TXAR1_COUNTERTST	0x0212
527#define SK_TXAR1_COUNTERSTS	0x0212
528
529/* Block 5 -- TX Arbiter MAC 2 */
530#define SK_TXAR2_TIMERINIT	0x0280
531#define SK_TXAR2_TIMERVAL	0x0284
532#define SK_TXAR2_LIMITINIT	0x0288
533#define SK_TXAR2_LIMITCNT	0x028C
534#define SK_TXAR2_COUNTERCTL	0x0290
535#define SK_TXAR2_COUNTERTST	0x0291
536#define SK_TXAR2_COUNTERSTS	0x0292
537
538#define SK_TXARCTL_OFF		0x01
539#define SK_TXARCTL_ON		0x02
540#define SK_TXARCTL_RATECTL_OFF	0x04
541#define SK_TXARCTL_RATECTL_ON	0x08
542#define SK_TXARCTL_ALLOC_OFF	0x10
543#define SK_TXARCTL_ALLOC_ON	0x20
544#define SK_TXARCTL_FSYNC_OFF	0x40
545#define SK_TXARCTL_FSYNC_ON	0x80
546
547/* Block 6 -- External registers */
548#define SK_EXTREG_BASE	0x300
549#define SK_EXTREG_END	0x37C
550
551/* Block 7 -- PCI config registers */
552#define SK_PCI_BASE	0x0380
553#define SK_PCI_END	0x03FC
554
555/* Compute offset of mirrored PCI register */
556#define SK_PCI_REG(reg)		((reg) + SK_PCI_BASE)
557
558/* Block 8 -- RX queue 1 */
559#define SK_RXQ1_BUFCNT		0x0400
560#define SK_RXQ1_BUFCTL		0x0402
561#define SK_RXQ1_NEXTDESC	0x0404
562#define SK_RXQ1_RXBUF_LO	0x0408
563#define SK_RXQ1_RXBUF_HI	0x040C
564#define SK_RXQ1_RXSTAT		0x0410
565#define SK_RXQ1_TIMESTAMP	0x0414
566#define SK_RXQ1_CSUM1		0x0418
567#define SK_RXQ1_CSUM2		0x041A
568#define SK_RXQ1_CSUM1_START	0x041C
569#define SK_RXQ1_CSUM2_START	0x041E
570#define SK_RXQ1_CURADDR_LO	0x0420
571#define SK_RXQ1_CURADDR_HI	0x0424
572#define SK_RXQ1_CURCNT_LO	0x0428
573#define SK_RXQ1_CURCNT_HI	0x042C
574#define SK_RXQ1_CURBYTES	0x0430
575#define SK_RXQ1_BMU_CSR		0x0434
576#define SK_RXQ1_WATERMARK	0x0438
577#define SK_RXQ1_FLAG		0x043A
578#define SK_RXQ1_TEST1		0x043C
579#define SK_RXQ1_TEST2		0x0440
580#define SK_RXQ1_TEST3		0x0444
581
582/* Block 9 -- RX queue 2 */
583#define SK_RXQ2_BUFCNT		0x0480
584#define SK_RXQ2_BUFCTL		0x0482
585#define SK_RXQ2_NEXTDESC	0x0484
586#define SK_RXQ2_RXBUF_LO	0x0488
587#define SK_RXQ2_RXBUF_HI	0x048C
588#define SK_RXQ2_RXSTAT		0x0490
589#define SK_RXQ2_TIMESTAMP	0x0494
590#define SK_RXQ2_CSUM1		0x0498
591#define SK_RXQ2_CSUM2		0x049A
592#define SK_RXQ2_CSUM1_START	0x049C
593#define SK_RXQ2_CSUM2_START	0x049E
594#define SK_RXQ2_CURADDR_LO	0x04A0
595#define SK_RXQ2_CURADDR_HI	0x04A4
596#define SK_RXQ2_CURCNT_LO	0x04A8
597#define SK_RXQ2_CURCNT_HI	0x04AC
598#define SK_RXQ2_CURBYTES	0x04B0
599#define SK_RXQ2_BMU_CSR		0x04B4
600#define SK_RXQ2_WATERMARK	0x04B8
601#define SK_RXQ2_FLAG		0x04BA
602#define SK_RXQ2_TEST1		0x04BC
603#define SK_RXQ2_TEST2		0x04C0
604#define SK_RXQ2_TEST3		0x04C4
605
606#define SK_RXBMU_CLR_IRQ_ERR		0x00000001
607#define SK_RXBMU_CLR_IRQ_EOF		0x00000002
608#define SK_RXBMU_CLR_IRQ_EOB		0x00000004
609#define SK_RXBMU_CLR_IRQ_PAR		0x00000008
610#define SK_RXBMU_RX_START		0x00000010
611#define SK_RXBMU_RX_STOP		0x00000020
612#define SK_RXBMU_POLL_OFF		0x00000040
613#define SK_RXBMU_POLL_ON		0x00000080
614#define SK_RXBMU_TRANSFER_SM_RESET	0x00000100
615#define SK_RXBMU_TRANSFER_SM_UNRESET	0x00000200
616#define SK_RXBMU_DESCWR_SM_RESET	0x00000400
617#define SK_RXBMU_DESCWR_SM_UNRESET	0x00000800
618#define SK_RXBMU_DESCRD_SM_RESET	0x00001000
619#define SK_RXBMU_DESCRD_SM_UNRESET	0x00002000
620#define SK_RXBMU_SUPERVISOR_SM_RESET	0x00004000
621#define SK_RXBMU_SUPERVISOR_SM_UNRESET	0x00008000
622#define SK_RXBMU_PFI_SM_RESET		0x00010000
623#define SK_RXBMU_PFI_SM_UNRESET		0x00020000
624#define SK_RXBMU_FIFO_RESET		0x00040000
625#define SK_RXBMU_FIFO_UNRESET		0x00080000
626#define SK_RXBMU_DESC_RESET		0x00100000
627#define SK_RXBMU_DESC_UNRESET		0x00200000
628#define SK_RXBMU_SUPERVISOR_IDLE	0x01000000
629
630#define SK_RXBMU_ONLINE		\
631	(SK_RXBMU_TRANSFER_SM_UNRESET|SK_RXBMU_DESCWR_SM_UNRESET|	\
632	SK_RXBMU_DESCRD_SM_UNRESET|SK_RXBMU_SUPERVISOR_SM_UNRESET|	\
633	SK_RXBMU_PFI_SM_UNRESET|SK_RXBMU_FIFO_UNRESET|			\
634	SK_RXBMU_DESC_UNRESET)
635
636#define SK_RXBMU_OFFLINE		\
637	(SK_RXBMU_TRANSFER_SM_RESET|SK_RXBMU_DESCWR_SM_RESET|	\
638	SK_RXBMU_DESCRD_SM_RESET|SK_RXBMU_SUPERVISOR_SM_RESET|	\
639	SK_RXBMU_PFI_SM_RESET|SK_RXBMU_FIFO_RESET|		\
640	SK_RXBMU_DESC_RESET)
641
642/* Block 12 -- TX sync queue 1 */
643#define SK_TXQS1_BUFCNT		0x0600
644#define SK_TXQS1_BUFCTL		0x0602
645#define SK_TXQS1_NEXTDESC	0x0604
646#define SK_TXQS1_RXBUF_LO	0x0608
647#define SK_TXQS1_RXBUF_HI	0x060C
648#define SK_TXQS1_RXSTAT		0x0610
649#define SK_TXQS1_CSUM_STARTVAL	0x0614
650#define SK_TXQS1_CSUM_STARTPOS	0x0618
651#define SK_TXQS1_CSUM_WRITEPOS	0x061A
652#define SK_TXQS1_CURADDR_LO	0x0620
653#define SK_TXQS1_CURADDR_HI	0x0624
654#define SK_TXQS1_CURCNT_LO	0x0628
655#define SK_TXQS1_CURCNT_HI	0x062C
656#define SK_TXQS1_CURBYTES	0x0630
657#define SK_TXQS1_BMU_CSR	0x0634
658#define SK_TXQS1_WATERMARK	0x0638
659#define SK_TXQS1_FLAG		0x063A
660#define SK_TXQS1_TEST1		0x063C
661#define SK_TXQS1_TEST2		0x0640
662#define SK_TXQS1_TEST3		0x0644
663
664/* Block 13 -- TX async queue 1 */
665#define SK_TXQA1_BUFCNT		0x0680
666#define SK_TXQA1_BUFCTL		0x0682
667#define SK_TXQA1_NEXTDESC	0x0684
668#define SK_TXQA1_RXBUF_LO	0x0688
669#define SK_TXQA1_RXBUF_HI	0x068C
670#define SK_TXQA1_RXSTAT		0x0690
671#define SK_TXQA1_CSUM_STARTVAL	0x0694
672#define SK_TXQA1_CSUM_STARTPOS	0x0698
673#define SK_TXQA1_CSUM_WRITEPOS	0x069A
674#define SK_TXQA1_CURADDR_LO	0x06A0
675#define SK_TXQA1_CURADDR_HI	0x06A4
676#define SK_TXQA1_CURCNT_LO	0x06A8
677#define SK_TXQA1_CURCNT_HI	0x06AC
678#define SK_TXQA1_CURBYTES	0x06B0
679#define SK_TXQA1_BMU_CSR	0x06B4
680#define SK_TXQA1_WATERMARK	0x06B8
681#define SK_TXQA1_FLAG		0x06BA
682#define SK_TXQA1_TEST1		0x06BC
683#define SK_TXQA1_TEST2		0x06C0
684#define SK_TXQA1_TEST3		0x06C4
685
686/* Block 14 -- TX sync queue 2 */
687#define SK_TXQS2_BUFCNT		0x0700
688#define SK_TXQS2_BUFCTL		0x0702
689#define SK_TXQS2_NEXTDESC	0x0704
690#define SK_TXQS2_RXBUF_LO	0x0708
691#define SK_TXQS2_RXBUF_HI	0x070C
692#define SK_TXQS2_RXSTAT		0x0710
693#define SK_TXQS2_CSUM_STARTVAL	0x0714
694#define SK_TXQS2_CSUM_STARTPOS	0x0718
695#define SK_TXQS2_CSUM_WRITEPOS	0x071A
696#define SK_TXQS2_CURADDR_LO	0x0720
697#define SK_TXQS2_CURADDR_HI	0x0724
698#define SK_TXQS2_CURCNT_LO	0x0728
699#define SK_TXQS2_CURCNT_HI	0x072C
700#define SK_TXQS2_CURBYTES	0x0730
701#define SK_TXQS2_BMU_CSR	0x0734
702#define SK_TXQS2_WATERMARK	0x0738
703#define SK_TXQS2_FLAG		0x073A
704#define SK_TXQS2_TEST1		0x073C
705#define SK_TXQS2_TEST2		0x0740
706#define SK_TXQS2_TEST3		0x0744
707
708/* Block 15 -- TX async queue 2 */
709#define SK_TXQA2_BUFCNT		0x0780
710#define SK_TXQA2_BUFCTL		0x0782
711#define SK_TXQA2_NEXTDESC	0x0784
712#define SK_TXQA2_RXBUF_LO	0x0788
713#define SK_TXQA2_RXBUF_HI	0x078C
714#define SK_TXQA2_RXSTAT		0x0790
715#define SK_TXQA2_CSUM_STARTVAL	0x0794
716#define SK_TXQA2_CSUM_STARTPOS	0x0798
717#define SK_TXQA2_CSUM_WRITEPOS	0x079A
718#define SK_TXQA2_CURADDR_LO	0x07A0
719#define SK_TXQA2_CURADDR_HI	0x07A4
720#define SK_TXQA2_CURCNT_LO	0x07A8
721#define SK_TXQA2_CURCNT_HI	0x07AC
722#define SK_TXQA2_CURBYTES	0x07B0
723#define SK_TXQA2_BMU_CSR	0x07B4
724#define SK_TXQA2_WATERMARK	0x07B8
725#define SK_TXQA2_FLAG		0x07BA
726#define SK_TXQA2_TEST1		0x07BC
727#define SK_TXQA2_TEST2		0x07C0
728#define SK_TXQA2_TEST3		0x07C4
729
730#define SK_TXBMU_CLR_IRQ_ERR		0x00000001
731#define SK_TXBMU_CLR_IRQ_EOF		0x00000002
732#define SK_TXBMU_CLR_IRQ_EOB		0x00000004
733#define SK_TXBMU_TX_START		0x00000010
734#define SK_TXBMU_TX_STOP		0x00000020
735#define SK_TXBMU_POLL_OFF		0x00000040
736#define SK_TXBMU_POLL_ON		0x00000080
737#define SK_TXBMU_TRANSFER_SM_RESET	0x00000100
738#define SK_TXBMU_TRANSFER_SM_UNRESET	0x00000200
739#define SK_TXBMU_DESCWR_SM_RESET	0x00000400
740#define SK_TXBMU_DESCWR_SM_UNRESET	0x00000800
741#define SK_TXBMU_DESCRD_SM_RESET	0x00001000
742#define SK_TXBMU_DESCRD_SM_UNRESET	0x00002000
743#define SK_TXBMU_SUPERVISOR_SM_RESET	0x00004000
744#define SK_TXBMU_SUPERVISOR_SM_UNRESET	0x00008000
745#define SK_TXBMU_PFI_SM_RESET		0x00010000
746#define SK_TXBMU_PFI_SM_UNRESET		0x00020000
747#define SK_TXBMU_FIFO_RESET		0x00040000
748#define SK_TXBMU_FIFO_UNRESET		0x00080000
749#define SK_TXBMU_DESC_RESET		0x00100000
750#define SK_TXBMU_DESC_UNRESET		0x00200000
751#define SK_TXBMU_SUPERVISOR_IDLE	0x01000000
752
753#define SK_TXBMU_ONLINE		\
754	(SK_TXBMU_TRANSFER_SM_UNRESET|SK_TXBMU_DESCWR_SM_UNRESET|	\
755	SK_TXBMU_DESCRD_SM_UNRESET|SK_TXBMU_SUPERVISOR_SM_UNRESET|	\
756	SK_TXBMU_PFI_SM_UNRESET|SK_TXBMU_FIFO_UNRESET|			\
757	SK_TXBMU_DESC_UNRESET)
758
759#define SK_TXBMU_OFFLINE		\
760	(SK_TXBMU_TRANSFER_SM_RESET|SK_TXBMU_DESCWR_SM_RESET|	\
761	SK_TXBMU_DESCRD_SM_RESET|SK_TXBMU_SUPERVISOR_SM_RESET|	\
762	SK_TXBMU_PFI_SM_RESET|SK_TXBMU_FIFO_RESET|		\
763	SK_TXBMU_DESC_RESET)
764
765/* Block 16 -- Receive RAMbuffer 1 */
766#define SK_RXRB1_START		0x0800
767#define SK_RXRB1_END		0x0804
768#define SK_RXRB1_WR_PTR		0x0808
769#define SK_RXRB1_RD_PTR		0x080C
770#define SK_RXRB1_UTHR_PAUSE	0x0810
771#define SK_RXRB1_LTHR_PAUSE	0x0814
772#define SK_RXRB1_UTHR_HIPRIO	0x0818
773#define SK_RXRB1_UTHR_LOPRIO	0x081C
774#define SK_RXRB1_PKTCNT		0x0820
775#define SK_RXRB1_LVL		0x0824
776#define SK_RXRB1_CTLTST		0x0828
777
778/* Block 17 -- Receive RAMbuffer 2 */
779#define SK_RXRB2_START		0x0880
780#define SK_RXRB2_END		0x0884
781#define SK_RXRB2_WR_PTR		0x0888
782#define SK_RXRB2_RD_PTR		0x088C
783#define SK_RXRB2_UTHR_PAUSE	0x0890
784#define SK_RXRB2_LTHR_PAUSE	0x0894
785#define SK_RXRB2_UTHR_HIPRIO	0x0898
786#define SK_RXRB2_UTHR_LOPRIO	0x089C
787#define SK_RXRB2_PKTCNT		0x08A0
788#define SK_RXRB2_LVL		0x08A4
789#define SK_RXRB2_CTLTST		0x08A8
790
791/* Block 20 -- Sync. Transmit RAMbuffer 1 */
792#define SK_TXRBS1_START		0x0A00
793#define SK_TXRBS1_END		0x0A04
794#define SK_TXRBS1_WR_PTR	0x0A08
795#define SK_TXRBS1_RD_PTR	0x0A0C
796#define SK_TXRBS1_PKTCNT	0x0A20
797#define SK_TXRBS1_LVL		0x0A24
798#define SK_TXRBS1_CTLTST	0x0A28
799
800/* Block 21 -- Async. Transmit RAMbuffer 1 */
801#define SK_TXRBA1_START		0x0A80
802#define SK_TXRBA1_END		0x0A84
803#define SK_TXRBA1_WR_PTR	0x0A88
804#define SK_TXRBA1_RD_PTR	0x0A8C
805#define SK_TXRBA1_PKTCNT	0x0AA0
806#define SK_TXRBA1_LVL		0x0AA4
807#define SK_TXRBA1_CTLTST	0x0AA8
808
809/* Block 22 -- Sync. Transmit RAMbuffer 2 */
810#define SK_TXRBS2_START		0x0B00
811#define SK_TXRBS2_END		0x0B04
812#define SK_TXRBS2_WR_PTR	0x0B08
813#define SK_TXRBS2_RD_PTR	0x0B0C
814#define SK_TXRBS2_PKTCNT	0x0B20
815#define SK_TXRBS2_LVL		0x0B24
816#define SK_TXRBS2_CTLTST	0x0B28
817
818/* Block 23 -- Async. Transmit RAMbuffer 2 */
819#define SK_TXRBA2_START		0x0B80
820#define SK_TXRBA2_END		0x0B84
821#define SK_TXRBA2_WR_PTR	0x0B88
822#define SK_TXRBA2_RD_PTR	0x0B8C
823#define SK_TXRBA2_PKTCNT	0x0BA0
824#define SK_TXRBA2_LVL		0x0BA4
825#define SK_TXRBA2_CTLTST	0x0BA8
826
827#define SK_RBCTL_RESET		0x00000001
828#define SK_RBCTL_UNRESET	0x00000002
829#define SK_RBCTL_OFF		0x00000004
830#define SK_RBCTL_ON		0x00000008
831#define SK_RBCTL_STORENFWD_OFF	0x00000010
832#define SK_RBCTL_STORENFWD_ON	0x00000020
833
834/* Block 24 -- RX MAC FIFO 1 regisrers and LINK_SYNC counter */
835#define SK_RXF1_END		0x0C00
836#define SK_RXF1_WPTR		0x0C04
837#define SK_RXF1_RPTR		0x0C0C
838#define SK_RXF1_PKTCNT		0x0C10
839#define SK_RXF1_LVL		0x0C14
840#define SK_RXF1_MACCTL		0x0C18
841#define SK_RXF1_CTL		0x0C1C
842#define SK_RXLED1_CNTINIT	0x0C20
843#define SK_RXLED1_COUNTER	0x0C24
844#define SK_RXLED1_CTL		0x0C28
845#define SK_RXLED1_TST		0x0C29
846#define SK_LINK_SYNC1_CINIT	0x0C30
847#define SK_LINK_SYNC1_COUNTER	0x0C34
848#define SK_LINK_SYNC1_CTL	0x0C38
849#define SK_LINK_SYNC1_TST	0x0C39
850#define SK_LINKLED1_CTL		0x0C3C
851
852#define SK_FIFO_END		0x3F
853
854/* Receive MAC FIFO 1 (Yukon Only) */
855#define SK_RXMF1_END		0x0C40
856#define SK_RXMF1_THRESHOLD	0x0C44
857#define SK_RXMF1_CTRL_TEST	0x0C48
858#define SK_RXMF1_WRITE_PTR	0x0C60
859#define SK_RXMF1_WRITE_LEVEL	0x0C68
860#define SK_RXMF1_READ_PTR	0x0C70
861#define SK_RXMF1_READ_LEVEL	0x0C78
862
863#define SK_RFCTL_WR_PTR_TST_ON	0x00004000	/* Write pointer test on*/
864#define SK_RFCTL_WR_PTR_TST_OFF	0x00002000	/* Write pointer test off */
865#define SK_RFCTL_WR_PTR_STEP	0x00001000	/* Write pointer increment */
866#define SK_RFCTL_RD_PTR_TST_ON	0x00000400	/* Read pointer test on */
867#define SK_RFCTL_RD_PTR_TST_OFF	0x00000200	/* Read pointer test off */
868#define SK_RFCTL_RD_PTR_STEP	0x00000100	/* Read pointer increment */
869#define SK_RFCTL_RX_FIFO_OVER	0x00000040	/* Clear IRQ RX FIFO Overrun */
870#define SK_RFCTL_FRAME_RX_DONE	0x00000010	/* Clear IRQ Frame RX Done */
871#define SK_RFCTL_OPERATION_ON	0x00000008	/* Operational mode on */
872#define SK_RFCTL_OPERATION_OFF	0x00000004	/* Operational mode off */
873#define SK_RFCTL_RESET_CLEAR	0x00000002	/* MAC FIFO Reset Clear */
874#define SK_RFCTL_RESET_SET	0x00000001	/* MAC FIFO Reset Set */
875
876/* Block 25 -- RX MAC FIFO 2 regisrers and LINK_SYNC counter */
877#define SK_RXF2_END		0x0C80
878#define SK_RXF2_WPTR		0x0C84
879#define SK_RXF2_RPTR		0x0C8C
880#define SK_RXF2_PKTCNT		0x0C90
881#define SK_RXF2_LVL		0x0C94
882#define SK_RXF2_MACCTL		0x0C98
883#define SK_RXF2_CTL		0x0C9C
884#define SK_RXLED2_CNTINIT	0x0CA0
885#define SK_RXLED2_COUNTER	0x0CA4
886#define SK_RXLED2_CTL		0x0CA8
887#define SK_RXLED2_TST		0x0CA9
888#define SK_LINK_SYNC2_CINIT	0x0CB0
889#define SK_LINK_SYNC2_COUNTER	0x0CB4
890#define SK_LINK_SYNC2_CTL	0x0CB8
891#define SK_LINK_SYNC2_TST	0x0CB9
892#define SK_LINKLED2_CTL		0x0CBC
893
894#define SK_RXMACCTL_CLR_IRQ_NOSTS	0x00000001
895#define SK_RXMACCTL_CLR_IRQ_NOTSTAMP	0x00000002
896#define SK_RXMACCTL_TSTAMP_OFF		0x00000004
897#define SK_RXMACCTL_RSTAMP_ON		0x00000008
898#define SK_RXMACCTL_FLUSH_OFF		0x00000010
899#define SK_RXMACCTL_FLUSH_ON		0x00000020
900#define SK_RXMACCTL_PAUSE_OFF		0x00000040
901#define SK_RXMACCTL_PAUSE_ON		0x00000080
902#define SK_RXMACCTL_AFULL_OFF		0x00000100
903#define SK_RXMACCTL_AFULL_ON		0x00000200
904#define SK_RXMACCTL_VALIDTIME_PATCH_OFF	0x00000400
905#define SK_RXMACCTL_VALIDTIME_PATCH_ON	0x00000800
906#define SK_RXMACCTL_RXRDY_PATCH_OFF	0x00001000
907#define SK_RXMACCTL_RXRDY_PATCH_ON	0x00002000
908#define SK_RXMACCTL_STS_TIMEO		0x00FF0000
909#define SK_RXMACCTL_TSTAMP_TIMEO	0xFF000000
910
911#define SK_RXLEDCTL_ENABLE		0x0001
912#define SK_RXLEDCTL_COUNTER_STOP	0x0002
913#define SK_RXLEDCTL_COUNTER_START	0x0004
914
915#define SK_LINKLED_OFF			0x0001
916#define SK_LINKLED_ON			0x0002
917#define SK_LINKLED_LINKSYNC_OFF		0x0004
918#define SK_LINKLED_LINKSYNC_ON		0x0008
919#define SK_LINKLED_BLINK_OFF		0x0010
920#define SK_LINKLED_BLINK_ON		0x0020
921
922/* Block 26 -- TX MAC FIFO 1 regisrers  */
923#define SK_TXF1_END		0x0D00
924#define SK_TXF1_WPTR		0x0D04
925#define SK_TXF1_RPTR		0x0D0C
926#define SK_TXF1_PKTCNT		0x0D10
927#define SK_TXF1_LVL		0x0D14
928#define SK_TXF1_MACCTL		0x0D18
929#define SK_TXF1_CTL		0x0D1C
930#define SK_TXLED1_CNTINIT	0x0D20
931#define SK_TXLED1_COUNTER	0x0D24
932#define SK_TXLED1_CTL		0x0D28
933#define SK_TXLED1_TST		0x0D29
934
935/* Receive MAC FIFO 1 (Yukon Only) */
936#define SK_TXMF1_END		0x0D40
937#define SK_TXMF1_THRESHOLD	0x0D44
938#define SK_TXMF1_CTRL_TEST	0x0D48
939#define SK_TXMF1_WRITE_PTR	0x0D60
940#define SK_TXMF1_WRITE_SHADOW	0x0D64
941#define SK_TXMF1_WRITE_LEVEL	0x0D68
942#define SK_TXMF1_READ_PTR	0x0D70
943#define SK_TXMF1_RESTART_PTR	0x0D74
944#define SK_TXMF1_READ_LEVEL	0x0D78
945
946#define SK_TFCTL_WR_PTR_TST_ON	0x00004000	/* Write pointer test on*/
947#define SK_TFCTL_WR_PTR_TST_OFF	0x00002000	/* Write pointer test off */
948#define SK_TFCTL_WR_PTR_STEP	0x00001000	/* Write pointer increment */
949#define SK_TFCTL_RD_PTR_TST_ON	0x00000400	/* Read pointer test on */
950#define SK_TFCTL_RD_PTR_TST_OFF	0x00000200	/* Read pointer test off */
951#define SK_TFCTL_RD_PTR_STEP	0x00000100	/* Read pointer increment */
952#define SK_TFCTL_TX_FIFO_UNDER	0x00000040	/* Clear IRQ TX FIFO Under */
953#define SK_TFCTL_FRAME_TX_DONE	0x00000020	/* Clear IRQ Frame TX Done */
954#define SK_TFCTL_IRQ_PARITY_ER	0x00000010	/* Clear IRQ Parity Error */
955#define SK_TFCTL_OPERATION_ON	0x00000008	/* Operational mode on */
956#define SK_TFCTL_OPERATION_OFF	0x00000004	/* Operational mode off */
957#define SK_TFCTL_RESET_CLEAR	0x00000002	/* MAC FIFO Reset Clear */
958#define SK_TFCTL_RESET_SET	0x00000001	/* MAC FIFO Reset Set */
959
960/* Block 27 -- TX MAC FIFO 2 regisrers  */
961#define SK_TXF2_END		0x0D80
962#define SK_TXF2_WPTR		0x0D84
963#define SK_TXF2_RPTR		0x0D8C
964#define SK_TXF2_PKTCNT		0x0D90
965#define SK_TXF2_LVL		0x0D94
966#define SK_TXF2_MACCTL		0x0D98
967#define SK_TXF2_CTL		0x0D9C
968#define SK_TXLED2_CNTINIT	0x0DA0
969#define SK_TXLED2_COUNTER	0x0DA4
970#define SK_TXLED2_CTL		0x0DA8
971#define SK_TXLED2_TST		0x0DA9
972
973#define SK_TXMACCTL_XMAC_RESET		0x00000001
974#define SK_TXMACCTL_XMAC_UNRESET	0x00000002
975#define SK_TXMACCTL_LOOP_OFF		0x00000004
976#define SK_TXMACCTL_LOOP_ON		0x00000008
977#define SK_TXMACCTL_FLUSH_OFF		0x00000010
978#define SK_TXMACCTL_FLUSH_ON		0x00000020
979#define SK_TXMACCTL_WAITEMPTY_OFF	0x00000040
980#define SK_TXMACCTL_WAITEMPTY_ON	0x00000080
981#define SK_TXMACCTL_AFULL_OFF		0x00000100
982#define SK_TXMACCTL_AFULL_ON		0x00000200
983#define SK_TXMACCTL_TXRDY_PATCH_OFF	0x00000400
984#define SK_TXMACCTL_RXRDY_PATCH_ON	0x00000800
985#define SK_TXMACCTL_PKT_RECOVERY_OFF	0x00001000
986#define SK_TXMACCTL_PKT_RECOVERY_ON	0x00002000
987#define SK_TXMACCTL_CLR_IRQ_PERR	0x00008000
988#define SK_TXMACCTL_WAITAFTERFLUSH	0x00010000
989
990#define SK_TXLEDCTL_ENABLE		0x0001
991#define SK_TXLEDCTL_COUNTER_STOP	0x0002
992#define SK_TXLEDCTL_COUNTER_START	0x0004
993
994#define SK_FIFO_RESET		0x00000001
995#define SK_FIFO_UNRESET		0x00000002
996#define SK_FIFO_OFF		0x00000004
997#define SK_FIFO_ON		0x00000008
998
999/* Block 28 -- Descriptor Poll Timer */
1000#define SK_DPT_INIT		0x0e00	/* Initial value 24 bits */
1001#define SK_DPT_TIMER		0x0e04	/* Mul of 78.12MHz clk (24b) */
1002
1003#define SK_DPT_TIMER_CTRL	0x0e08	/* Timer Control 16 bits */
1004#define SK_DPT_TCTL_STOP	0x0001	/* Stop Timer */
1005#define SK_DPT_TCTL_START	0x0002	/* Start Timer */
1006
1007#define SK_DPT_TIMER_TEST	0x0e0a	/* Timer Test 16 bits */
1008#define SK_DPT_TTEST_STEP	0x0001	/* Timer Decrement */
1009#define SK_DPT_TTEST_OFF	0x0002	/* Test Mode Off */
1010#define SK_DPT_TTEST_ON		0x0004	/* Test Mode On */
1011
1012/* Block 29 -- reserved */
1013
1014/* Block 30 -- GMAC/GPHY Control Registers (Yukon Only)*/
1015#define SK_GMAC_CTRL		0x0f00	/* GMAC Control Register */
1016#define SK_GPHY_CTRL		0x0f04	/* GPHY Control Register */
1017#define SK_GMAC_ISR		0x0f08	/* GMAC Interrupt Source Register */
1018#define SK_GMAC_IMR		0x0f08	/* GMAC Interrupt Mask Register */
1019#define SK_LINK_CTRL		0x0f10	/* Link Control Register (LCR) */
1020#define SK_WOL_CTRL		0x0f20	/* Wake on LAN Control Register */
1021#define SK_MAC_ADDR_LOW		0x0f24	/* Mack Address Registers LOW */
1022#define SK_MAC_ADDR_HIGH	0x0f28	/* Mack Address Registers HIGH */
1023#define SK_PAT_READ_PTR		0x0f2c	/* Pattern Read Pointer Register */
1024#define SK_PAT_LEN_REG0		0x0f30	/* Pattern Length Register 0 */
1025#define SK_PAT_LEN0		0x0f30	/* Pattern Length 0 */
1026#define SK_PAT_LEN1		0x0f31	/* Pattern Length 1 */
1027#define SK_PAT_LEN2		0x0f32	/* Pattern Length 2 */
1028#define SK_PAT_LEN3		0x0f33	/* Pattern Length 3 */
1029#define SK_PAT_LEN_REG1		0x0f34	/* Pattern Length Register 1 */
1030#define SK_PAT_LEN4		0x0f34	/* Pattern Length 4 */
1031#define SK_PAT_LEN5		0x0f35	/* Pattern Length 5 */
1032#define SK_PAT_LEN6		0x0f36	/* Pattern Length 6 */
1033#define SK_PAT_LEN7		0x0f37	/* Pattern Length 7 */
1034#define SK_PAT_CTR_REG0		0x0f38	/* Pattern Counter Register 0 */
1035#define SK_PAT_CTR0		0x0f38	/* Pattern Counter 0 */
1036#define SK_PAT_CTR1		0x0f39	/* Pattern Counter 1 */
1037#define SK_PAT_CTR2		0x0f3a	/* Pattern Counter 2 */
1038#define SK_PAT_CTR3		0x0f3b	/* Pattern Counter 3 */
1039#define SK_PAT_CTR_REG1		0x0f3c	/* Pattern Counter Register 1 */
1040#define SK_PAT_CTR4		0x0f3c	/* Pattern Counter 4 */
1041#define SK_PAT_CTR5		0x0f3d	/* Pattern Counter 5 */
1042#define SK_PAT_CTR6		0x0f3e	/* Pattern Counter 6 */
1043#define SK_PAT_CTR7		0x0f3f	/* Pattern Counter 7 */
1044
1045#define SK_GMAC_LOOP_ON		0x00000020	/* Loopback mode for testing */
1046#define SK_GMAC_LOOP_OFF	0x00000010	/* purposes */
1047#define SK_GMAC_PAUSE_ON	0x00000008	/* enable forward of pause */
1048#define SK_GMAC_PAUSE_OFF	0x00000004	/* signal to GMAC */
1049#define SK_GMAC_RESET_CLEAR	0x00000002	/* Clear GMAC Reset */
1050#define SK_GMAC_RESET_SET	0x00000001	/* Set GMAC Reset */
1051
1052#define SK_GPHY_SEL_BDT		0x10000000	/* Select Bidirectional xfer */
1053#define SK_GPHY_INT_POL_HI	0x08000000	/* IRQ Polarity Active */
1054#define SK_GPHY_75_OHM		0x04000000	/* Use 75 Ohm Termination */
1055#define SK_GPHY_DIS_FC		0x02000000	/* Disable Auto Fiber/Copper */
1056#define SK_GPHY_DIS_SLEEP	0x01000000	/* Disable Energy Detect */
1057#define SK_GPHY_HWCFG_M_3	0x00800000	/* HWCFG_MODE[3] */
1058#define SK_GPHY_HWCFG_M_2	0x00400000	/* HWCFG_MODE[2] */
1059#define SK_GPHY_HWCFG_M_1	0x00200000	/* HWCFG_MODE[1] */
1060#define SK_GPHY_HWCFG_M_0	0x00100000	/* HWCFG_MODE[0] */
1061#define SK_GPHY_ANEG_0		0x00080000	/* ANEG[0] */
1062#define SK_GPHY_ENA_XC		0x00040000	/* Enable MDI Crossover */
1063#define SK_GPHY_DIS_125		0x00020000	/* Disable 125MHz Clock */
1064#define SK_GPHY_ANEG_3		0x00010000	/* ANEG[3] */
1065#define SK_GPHY_ANEG_2		0x00008000	/* ANEG[2] */
1066#define SK_GPHY_ANEG_1		0x00004000	/* ANEG[1] */
1067#define SK_GPHY_ENA_PAUSE	0x00002000	/* Enable Pause */
1068#define SK_GPHY_PHYADDR_4	0x00001000	/* Bit 4 of Phy Addr */
1069#define SK_GPHY_PHYADDR_3	0x00000800	/* Bit 3 of Phy Addr */
1070#define SK_GPHY_PHYADDR_2	0x00000400	/* Bit 2 of Phy Addr */
1071#define SK_GPHY_PHYADDR_1	0x00000200	/* Bit 1 of Phy Addr */
1072#define SK_GPHY_PHYADDR_0	0x00000100	/* Bit 0 of Phy Addr */
1073#define SK_GPHY_RESET_CLEAR	0x00000002	/* Clear GPHY Reset */
1074#define SK_GPHY_RESET_SET	0x00000001	/* Set GPHY Reset */
1075
1076#define SK_GPHY_COPPER		(SK_GPHY_HWCFG_M_0 | SK_GPHY_HWCFG_M_1 | \
1077				 SK_GPHY_HWCFG_M_2 | SK_GPHY_HWCFG_M_3 )
1078#define SK_GPHY_FIBER		(SK_GPHY_HWCFG_M_0 | SK_GPHY_HWCFG_M_1 | \
1079				 SK_GPHY_HWCFG_M_2 )
1080#define SK_GPHY_ANEG_ALL	(SK_GPHY_ANEG_0 | SK_GPHY_ANEG_1 | \
1081				 SK_GPHY_ANEG_2 | SK_GPHY_ANEG_3 )
1082
1083#define SK_GMAC_INT_TX_OFLOW	0x20	/* Transmit Counter Overflow */
1084#define SK_GMAC_INT_RX_OFLOW	0x10	/* Receiver Overflow */
1085#define SK_GMAC_INT_TX_UNDER	0x08	/* Transmit FIFO Underrun */
1086#define SK_GMAC_INT_TX_DONE	0x04	/* Transmit Complete */
1087#define SK_GMAC_INT_RX_OVER	0x02	/* Receive FIFO Overrun */
1088#define SK_GMAC_INT_RX_DONE	0x01	/* Receive Complete */
1089
1090#define SK_LINK_RESET_CLEAR	0x0002	/* Link Reset Clear */
1091#define SK_LINK_RESET_SET	0x0001	/* Link Reset Set */
1092
1093/* Block 31 -- reserved */
1094
1095/* Block 32-33 -- Pattern Ram */
1096#define SK_WOL_PRAM		0x1000
1097
1098/* Block 0x22 - 0x3f -- reserved */
1099
1100/* Block 0x40 to 0x4F -- XMAC 1 registers */
1101#define SK_XMAC1_BASE	0x2000
1102
1103/* Block 0x50 to 0x5F -- MARV 1 registers */
1104#define SK_MARV1_BASE	0x2800
1105
1106/* Block 0x60 to 0x6F -- XMAC 2 registers */
1107#define SK_XMAC2_BASE	0x3000
1108
1109/* Block 0x70 to 0x7F -- MARV 2 registers */
1110#define SK_MARV2_BASE	0x3800
1111
1112/* Compute relative offset of an XMAC register in the XMAC window(s). */
1113#define SK_XMAC_REG(sc, reg)	(((reg) * 2) + SK_XMAC1_BASE +		\
1114	(((sc)->sk_port) * (SK_XMAC2_BASE - SK_XMAC1_BASE)))
1115
1116#if 0
1117#define SK_XM_READ_4(sc, reg)						\
1118	((sk_win_read_2(sc->sk_softc,					\
1119	SK_XMAC_REG(sc, reg)) & 0xFFFF) |				\
1120	((sk_win_read_2(sc->sk_softc,					\
1121	SK_XMAC_REG(sc, reg + 2)) & 0xFFFF) << 16))
1122
1123#define SK_XM_WRITE_4(sc, reg, val)					\
1124	sk_win_write_2(sc->sk_softc, SK_XMAC_REG(sc, reg),		\
1125	((val) & 0xFFFF));						\
1126	sk_win_write_2(sc->sk_softc, SK_XMAC_REG(sc, reg + 2),		\
1127	((val) >> 16) & 0xFFFF)
1128#else
1129#define SK_XM_READ_4(sc, reg)		\
1130	sk_win_read_4(sc->sk_softc, SK_XMAC_REG(sc, reg))
1131
1132#define SK_XM_WRITE_4(sc, reg, val)	\
1133	sk_win_write_4(sc->sk_softc, SK_XMAC_REG(sc, reg), (val))
1134#endif
1135
1136#define SK_XM_READ_2(sc, reg)		\
1137	sk_win_read_2(sc->sk_softc, SK_XMAC_REG(sc, reg))
1138
1139#define SK_XM_WRITE_2(sc, reg, val)	\
1140	sk_win_write_2(sc->sk_softc, SK_XMAC_REG(sc, reg), val)
1141
1142#define SK_XM_SETBIT_4(sc, reg, x)	\
1143	SK_XM_WRITE_4(sc, reg, (SK_XM_READ_4(sc, reg)) | (x))
1144
1145#define SK_XM_CLRBIT_4(sc, reg, x)	\
1146	SK_XM_WRITE_4(sc, reg, (SK_XM_READ_4(sc, reg)) & ~(x))
1147
1148#define SK_XM_SETBIT_2(sc, reg, x)	\
1149	SK_XM_WRITE_2(sc, reg, (SK_XM_READ_2(sc, reg)) | (x))
1150
1151#define SK_XM_CLRBIT_2(sc, reg, x)	\
1152	SK_XM_WRITE_2(sc, reg, (SK_XM_READ_2(sc, reg)) & ~(x))
1153
1154/* Compute relative offset of an MARV register in the MARV window(s). */
1155#define SK_YU_REG(sc, reg) \
1156	((reg) + SK_MARV1_BASE + \
1157	(((sc)->sk_port) * (SK_MARV2_BASE - SK_MARV1_BASE)))
1158
1159#define SK_YU_READ_4(sc, reg)		\
1160	sk_win_read_4((sc)->sk_softc, SK_YU_REG((sc), (reg)))
1161
1162#define SK_YU_READ_2(sc, reg)		\
1163	sk_win_read_2((sc)->sk_softc, SK_YU_REG((sc), (reg)))
1164
1165#define SK_YU_WRITE_4(sc, reg, val)	\
1166	sk_win_write_4((sc)->sk_softc, SK_YU_REG((sc), (reg)), (val))
1167
1168#define SK_YU_WRITE_2(sc, reg, val)	\
1169	sk_win_write_2((sc)->sk_softc, SK_YU_REG((sc), (reg)), (val))
1170
1171#define SK_YU_SETBIT_4(sc, reg, x)	\
1172	SK_YU_WRITE_4(sc, reg, (SK_YU_READ_4(sc, reg)) | (x))
1173
1174#define SK_YU_CLRBIT_4(sc, reg, x)	\
1175	SK_YU_WRITE_4(sc, reg, (SK_YU_READ_4(sc, reg)) & ~(x))
1176
1177#define SK_YU_SETBIT_2(sc, reg, x)	\
1178	SK_YU_WRITE_2(sc, reg, (SK_YU_READ_2(sc, reg)) | (x))
1179
1180#define SK_YU_CLRBIT_2(sc, reg, x)	\
1181	SK_YU_WRITE_2(sc, reg, (SK_YU_READ_2(sc, reg)) & ~(x))
1182
1183/*
1184 * The default FIFO threshold on the XMAC II is 4 bytes. On
1185 * dual port NICs, this often leads to transmit underruns, so we
1186 * bump the threshold a little.
1187 */
1188#define SK_XM_TX_FIFOTHRESH	512
1189
1190#define SK_PCI_VENDOR_ID	0x0000
1191#define SK_PCI_DEVICE_ID	0x0002
1192#define SK_PCI_COMMAND		0x0004
1193#define SK_PCI_STATUS		0x0006
1194#define SK_PCI_REVID		0x0008
1195#define SK_PCI_CLASSCODE	0x0009
1196#define SK_PCI_CACHELEN		0x000C
1197#define SK_PCI_LATENCY_TIMER	0x000D
1198#define SK_PCI_HEADER_TYPE	0x000E
1199#define SK_PCI_LOMEM		0x0010
1200#define SK_PCI_LOIO		0x0014
1201#define SK_PCI_SUBVEN_ID	0x002C
1202#define SK_PCI_SYBSYS_ID	0x002E
1203#define SK_PCI_BIOSROM		0x0030
1204#define SK_PCI_INTLINE		0x003C
1205#define SK_PCI_INTPIN		0x003D
1206#define SK_PCI_MINGNT		0x003E
1207#define SK_PCI_MINLAT		0x003F
1208
1209/* device specific PCI registers */
1210#define SK_PCI_OURREG1		0x0040
1211#define SK_PCI_OURREG2		0x0044
1212#define SK_PCI_CAPID		0x0048 /* 8 bits */
1213#define SK_PCI_NEXTPTR		0x0049 /* 8 bits */
1214#define SK_PCI_PWRMGMTCAP	0x004A /* 16 bits */
1215#define SK_PCI_PWRMGMTCTRL	0x004C /* 16 bits */
1216#define SK_PCI_PME_EVENT	0x004F
1217#define SK_PCI_VPD_CAPID	0x0050
1218#define SK_PCI_VPD_NEXTPTR	0x0051
1219#define SK_PCI_VPD_ADDR		0x0052
1220#define SK_PCI_VPD_DATA		0x0054
1221
1222#define SK_PSTATE_MASK		0x0003
1223#define SK_PSTATE_D0		0x0000
1224#define SK_PSTATE_D1		0x0001
1225#define SK_PSTATE_D2		0x0002
1226#define SK_PSTATE_D3		0x0003
1227#define SK_PME_EN		0x0010
1228#define SK_PME_STATUS		0x8000
1229
1230/*
1231 * VPD flag bit. Set to 0 to initiate a read, will become 1 when
1232 * read is complete. Set to 1 to initiate a write, will become 0
1233 * when write is finished.
1234 */
1235#define SK_VPD_FLAG		0x8000
1236
1237/* VPD structures */
1238struct vpd_res {
1239	u_int8_t		vr_id;
1240	u_int8_t		vr_len;
1241	u_int8_t		vr_pad;
1242};
1243
1244struct vpd_key {
1245	char			vk_key[2];
1246	u_int8_t		vk_len;
1247};
1248
1249#define VPD_RES_ID	0x82	/* ID string */
1250#define VPD_RES_READ	0x90	/* start of read only area */
1251#define VPD_RES_WRITE	0x81	/* start of read/write area */
1252#define VPD_RES_END	0x78	/* end tag */
1253
1254#define CSR_WRITE_4(sc, reg, val)	\
1255	bus_space_write_4((sc)->sk_btag, (sc)->sk_bhandle, (reg), (val))
1256#define CSR_WRITE_2(sc, reg, val)	\
1257	bus_space_write_2((sc)->sk_btag, (sc)->sk_bhandle, (reg), (val))
1258#define CSR_WRITE_1(sc, reg, val)	\
1259	bus_space_write_1((sc)->sk_btag, (sc)->sk_bhandle, (reg), (val))
1260
1261#define CSR_READ_4(sc, reg)		\
1262	bus_space_read_4((sc)->sk_btag, (sc)->sk_bhandle, (reg))
1263#define CSR_READ_2(sc, reg)		\
1264	bus_space_read_2((sc)->sk_btag, (sc)->sk_bhandle, (reg))
1265#define CSR_READ_1(sc, reg)		\
1266	bus_space_read_1((sc)->sk_btag, (sc)->sk_bhandle, (reg))
1267
1268struct sk_type {
1269	u_int16_t		sk_vid;
1270	u_int16_t		sk_did;
1271	char			*sk_name;
1272};
1273
1274/* RX queue descriptor data structure */
1275struct sk_rx_desc {
1276	u_int32_t		sk_ctl;
1277	u_int32_t		sk_next;
1278	u_int32_t		sk_data_lo;
1279	u_int32_t		sk_data_hi;
1280	u_int32_t		sk_xmac_rxstat;
1281	u_int32_t		sk_timestamp;
1282	u_int16_t		sk_csum2;
1283	u_int16_t		sk_csum1;
1284	u_int16_t		sk_csum2_start;
1285	u_int16_t		sk_csum1_start;
1286};
1287
1288#define SK_OPCODE_DEFAULT	0x00550000
1289#define SK_OPCODE_CSUM		0x00560000
1290
1291#define SK_RXCTL_LEN		0x0000FFFF
1292#define SK_RXCTL_OPCODE		0x00FF0000
1293#define SK_RXCTL_TSTAMP_VALID	0x01000000
1294#define SK_RXCTL_STATUS_VALID	0x02000000
1295#define SK_RXCTL_DEV0		0x04000000
1296#define SK_RXCTL_EOF_INTR	0x08000000
1297#define SK_RXCTL_EOB_INTR	0x10000000
1298#define SK_RXCTL_LASTFRAG	0x20000000
1299#define SK_RXCTL_FIRSTFRAG	0x40000000
1300#define SK_RXCTL_OWN		0x80000000
1301
1302#define SK_RXSTAT	\
1303	(SK_OPCODE_DEFAULT|SK_RXCTL_EOF_INTR|SK_RXCTL_LASTFRAG| \
1304	 SK_RXCTL_FIRSTFRAG|SK_RXCTL_OWN)
1305
1306struct sk_tx_desc {
1307	u_int32_t		sk_ctl;
1308	u_int32_t		sk_next;
1309	u_int32_t		sk_data_lo;
1310	u_int32_t		sk_data_hi;
1311	u_int32_t		sk_xmac_txstat;
1312	u_int16_t		sk_rsvd0;
1313	u_int16_t		sk_csum_startval;
1314	u_int16_t		sk_csum_startpos;
1315	u_int16_t		sk_csum_writepos;
1316	u_int32_t		sk_rsvd1;
1317};
1318
1319#define SK_TXCTL_LEN		0x0000FFFF
1320#define SK_TXCTL_OPCODE		0x00FF0000
1321#define SK_TXCTL_SW		0x01000000
1322#define SK_TXCTL_NOCRC		0x02000000
1323#define SK_TXCTL_STORENFWD	0x04000000
1324#define SK_TXCTL_EOF_INTR	0x08000000
1325#define SK_TXCTL_EOB_INTR	0x10000000
1326#define SK_TXCTL_LASTFRAG	0x20000000
1327#define SK_TXCTL_FIRSTFRAG	0x40000000
1328#define SK_TXCTL_OWN		0x80000000
1329
1330#define SK_TXSTAT	\
1331	(SK_OPCODE_DEFAULT|SK_TXCTL_EOF_INTR|SK_TXCTL_LASTFRAG|SK_TXCTL_OWN)
1332
1333#define SK_RXBYTES(x)		(x) & 0x0000FFFF;
1334#define SK_TXBYTES		SK_RXBYTES
1335
1336#define SK_TX_RING_CNT		512
1337#define SK_RX_RING_CNT		256
1338
1339/*
1340 * Jumbo buffer stuff. Note that we must allocate more jumbo
1341 * buffers than there are descriptors in the receive ring. This
1342 * is because we don't know how long it will take for a packet
1343 * to be released after we hand it off to the upper protocol
1344 * layers. To be safe, we allocate 1.5 times the number of
1345 * receive descriptors.
1346 */
1347#define SK_JUMBO_FRAMELEN	9018
1348#define SK_JUMBO_MTU		(SK_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
1349#define SK_JSLOTS		384
1350
1351#define SK_JRAWLEN (SK_JUMBO_FRAMELEN + ETHER_ALIGN)
1352#define SK_JLEN (SK_JRAWLEN + (sizeof(u_int64_t) - \
1353	(SK_JRAWLEN % sizeof(u_int64_t))))
1354#define SK_JPAGESZ PAGE_SIZE
1355#define SK_RESID (SK_JPAGESZ - (SK_JLEN * SK_JSLOTS) % SK_JPAGESZ)
1356#define SK_JMEM ((SK_JLEN * SK_JSLOTS) + SK_RESID)
1357
1358struct sk_jpool_entry {
1359	int                             slot;
1360	SLIST_ENTRY(sk_jpool_entry)	jpool_entries;
1361};
1362
1363struct sk_chain {
1364	void			*sk_desc;
1365	struct mbuf		*sk_mbuf;
1366	struct sk_chain		*sk_next;
1367};
1368
1369struct sk_chain_data {
1370	struct sk_chain		sk_tx_chain[SK_TX_RING_CNT];
1371	struct sk_chain		sk_rx_chain[SK_RX_RING_CNT];
1372	int			sk_tx_prod;
1373	int			sk_tx_cons;
1374	int			sk_tx_cnt;
1375	int			sk_rx_prod;
1376	int			sk_rx_cons;
1377	int			sk_rx_cnt;
1378	/* Stick the jumbo mem management stuff here too. */
1379	caddr_t			sk_jslots[SK_JSLOTS];
1380	void			*sk_jumbo_buf;
1381
1382};
1383
1384struct sk_ring_data {
1385	struct sk_tx_desc	sk_tx_ring[SK_TX_RING_CNT];
1386	struct sk_rx_desc	sk_rx_ring[SK_RX_RING_CNT];
1387};
1388
1389struct sk_bcom_hack {
1390	int			reg;
1391	int			val;
1392};
1393
1394#define SK_INC(x, y)	(x) = (x + 1) % y
1395
1396/* Forward decl. */
1397struct sk_if_softc;
1398
1399/* Softc for the GEnesis controller. */
1400struct sk_softc {
1401	bus_space_handle_t	sk_bhandle;	/* bus space handle */
1402	bus_space_tag_t		sk_btag;	/* bus space tag */
1403	void			*sk_intrhand;	/* irq handler handle */
1404	struct resource		*sk_irq;	/* IRQ resource handle */
1405	struct resource		*sk_res;	/* I/O or shared mem handle */
1406	u_int8_t		sk_unit;	/* controller number */
1407	u_int8_t		sk_type;
1408	char			*sk_vpd_prodname;
1409	char			*sk_vpd_readonly;
1410	u_int32_t		sk_rboff;	/* RAMbuffer offset */
1411	u_int32_t		sk_ramsize;	/* amount of RAM on NIC */
1412	u_int32_t		sk_pmd;		/* physical media type */
1413	u_int32_t		sk_intrmask;
1414	struct sk_if_softc	*sk_if[2];
1415	device_t		sk_devs[2];
1416	struct mtx		sk_mtx;
1417};
1418
1419#define	SK_LOCK(_sc)		mtx_lock(&(_sc)->sk_mtx)
1420#define	SK_UNLOCK(_sc)		mtx_unlock(&(_sc)->sk_mtx)
1421#define	SK_IF_LOCK(_sc)		mtx_lock(&(_sc)->sk_softc->sk_mtx)
1422#define	SK_IF_UNLOCK(_sc)	mtx_unlock(&(_sc)->sk_softc->sk_mtx)
1423
1424/* Softc for each logical interface */
1425struct sk_if_softc {
1426	struct arpcom		arpcom;		/* interface info */
1427	device_t		sk_miibus;
1428	u_int8_t		sk_unit;	/* interface number */
1429	u_int8_t		sk_port;	/* port # on controller */
1430	u_int8_t		sk_xmac_rev;	/* XMAC chip rev (B2 or C1) */
1431	u_int32_t		sk_rx_ramstart;
1432	u_int32_t		sk_rx_ramend;
1433	u_int32_t		sk_tx_ramstart;
1434	u_int32_t		sk_tx_ramend;
1435	int			sk_phytype;
1436	int			sk_phyaddr;
1437	device_t		sk_dev;
1438	int			sk_cnt;
1439	int			sk_link;
1440	struct callout_handle	sk_tick_ch;
1441	struct sk_chain_data	sk_cdata;
1442	struct sk_ring_data	*sk_rdata;
1443	struct sk_softc		*sk_softc;	/* parent controller */
1444	int			sk_tx_bmu;	/* TX BMU register */
1445	int			sk_if_flags;
1446	SLIST_HEAD(__sk_jfreehead, sk_jpool_entry)	sk_jfree_listhead;
1447	SLIST_HEAD(__sk_jinusehead, sk_jpool_entry)	sk_jinuse_listhead;
1448};
1449
1450#define SK_MAXUNIT	256
1451#define SK_TIMEOUT	1000
1452#define ETHER_ALIGN	2
1453
1454#ifdef __alpha__
1455#undef vtophys
1456#define vtophys(va)		alpha_XXX_dmamap((vm_offset_t)va)
1457#endif
1458