xref: /openbsd/sys/dev/pci/if_skreg.h (revision db3296cf)
1 /*	$OpenBSD: if_skreg.h,v 1.8 2003/05/14 01:54:15 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: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $
35  */
36 
37 /*
38  * SysKonnect PCI vendor ID
39  */
40 #define SK_VENDORID		0x1148
41 
42 /*
43  * SK-NET gigabit ethernet device ID
44  */
45 #define SK_DEVICEID_GE		0x4300
46 
47 /*
48  * GEnesis registers. The GEnesis chip has a 256-byte I/O window
49  * but internally it has a 16K register space. This 16K space is
50  * divided into 128-byte blocks. The first 128 bytes of the I/O
51  * window represent the first block, which is permanently mapped
52  * at the start of the window. The other 127 blocks can be mapped
53  * to the second 128 bytes of the I/O window by setting the desired
54  * block value in the RAP register in block 0. Not all of the 127
55  * blocks are actually used. Most registers are 32 bits wide, but
56  * there are a few 16-bit and 8-bit ones as well.
57  */
58 
59 
60 /* Start of remappable register window. */
61 #define SK_WIN_BASE		0x0080
62 
63 /* Size of a window */
64 #define SK_WIN_LEN		0x80
65 
66 #define SK_WIN_MASK		0x3F80
67 #define SK_REG_MASK		0x7F
68 
69 /* Compute the window of a given register (for the RAP register) */
70 #define SK_WIN(reg)		(((reg) & SK_WIN_MASK) / SK_WIN_LEN)
71 
72 /* Compute the relative offset of a register within the window */
73 #define SK_REG(reg)		((reg) & SK_REG_MASK)
74 
75 #define SK_PORT_A	0
76 #define SK_PORT_B	1
77 
78 /*
79  * Compute offset of port-specific register. Since there are two
80  * ports, there are two of some GEnesis modules (e.g. two sets of
81  * DMA queues, two sets of FIFO control registers, etc...). Normally,
82  * the block for port 0 is at offset 0x0 and the block for port 1 is
83  * at offset 0x80 (i.e. the next page over). However for the transmit
84  * BMUs and RAMbuffers, there are two blocks for each port: one for
85  * the sync transmit queue and one for the async queue (which we don't
86  * use). However instead of ordering them like this:
87  * TX sync 1 / TX sync 2 / TX async 1 / TX async 2
88  * SysKonnect has instead ordered them like this:
89  * TX sync 1 / TX async 1 / TX sync 2 / TX async 2
90  * This means that when referencing the TX BMU and RAMbuffer registers,
91  * we have to double the block offset (0x80 * 2) in order to reach the
92  * second queue. This prevents us from using the same formula
93  * (sk_port * 0x80) to compute the offsets for all of the port-specific
94  * blocks: we need an extra offset for the BMU and RAMbuffer registers.
95  * The simplest thing is to provide an extra argument to these macros:
96  * the 'skip' parameter. The 'skip' value is the number of extra pages
97  * for skip when computing the port0/port1 offsets. For most registers,
98  * the skip value is 0; for the BMU and RAMbuffer registers, it's 1.
99  */
100 #define SK_IF_READ_4(sc_if, skip, reg)		\
101 	sk_win_read_4(sc_if->sk_softc, reg +	\
102 	((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN))
103 #define SK_IF_READ_2(sc_if, skip, reg)		\
104 	sk_win_read_2(sc_if->sk_softc, reg + 	\
105 	((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN))
106 #define SK_IF_READ_1(sc_if, skip, reg)		\
107 	sk_win_read_1(sc_if->sk_softc, reg +	\
108 	((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN))
109 
110 #define SK_IF_WRITE_4(sc_if, skip, reg, val)	\
111 	sk_win_write_4(sc_if->sk_softc,		\
112 	reg + ((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN), val)
113 #define SK_IF_WRITE_2(sc_if, skip, reg, val)	\
114 	sk_win_write_2(sc_if->sk_softc,		\
115 	reg + ((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN), val)
116 #define SK_IF_WRITE_1(sc_if, skip, reg, val)	\
117 	sk_win_write_1(sc_if->sk_softc,		\
118 	reg + ((sc_if->sk_port * (skip + 1)) * SK_WIN_LEN), val)
119 
120 /* Block 0 registers, permanently mapped at iobase. */
121 #define SK_RAP		0x0000
122 #define SK_CSR		0x0004
123 #define SK_LED		0x0006
124 #define SK_ISR		0x0008	/* interrupt source */
125 #define SK_IMR		0x000C	/* interrupt mask */
126 #define SK_IESR		0x0010	/* interrupt hardware error source */
127 #define SK_IEMR		0x0014  /* interrupt hardware error mask */
128 #define SK_ISSR		0x0018	/* special interrupt source */
129 #define SK_XM_IMR0	0x0020
130 #define SK_XM_ISR0	0x0028
131 #define SK_XM_PHYADDR0	0x0030
132 #define SK_XM_PHYDATA0	0x0034
133 #define SK_XM_IMR1	0x0040
134 #define SK_XM_ISR1	0x0048
135 #define SK_XM_PHYADDR1	0x0050
136 #define SK_XM_PHYDATA1	0x0054
137 #define SK_BMU_RX_CSR0	0x0060
138 #define SK_BMU_RX_CSR1	0x0064
139 #define SK_BMU_TXS_CSR0	0x0068
140 #define SK_BMU_TXA_CSR0	0x006C
141 #define SK_BMU_TXS_CSR1	0x0070
142 #define SK_BMU_TXA_CSR1	0x0074
143 
144 /* SK_CSR register */
145 #define SK_CSR_SW_RESET			0x0001
146 #define SK_CSR_SW_UNRESET		0x0002
147 #define SK_CSR_MASTER_RESET		0x0004
148 #define SK_CSR_MASTER_UNRESET		0x0008
149 #define SK_CSR_MASTER_STOP		0x0010
150 #define SK_CSR_MASTER_DONE		0x0020
151 #define SK_CSR_SW_IRQ_CLEAR		0x0040
152 #define SK_CSR_SW_IRQ_SET		0x0080
153 #define SK_CSR_SLOTSIZE			0x0100 /* 1 == 64 bits, 0 == 32 */
154 #define SK_CSR_BUSCLOCK			0x0200 /* 1 == 33/66 MHz, = 33 */
155 
156 /* SK_LED register */
157 #define SK_LED_GREEN_OFF		0x01
158 #define SK_LED_GREEN_ON			0x02
159 
160 /* SK_ISR register */
161 #define SK_ISR_TX2_AS_CHECK		0x00000001
162 #define SK_ISR_TX2_AS_EOF		0x00000002
163 #define SK_ISR_TX2_AS_EOB		0x00000004
164 #define SK_ISR_TX2_S_CHECK		0x00000008
165 #define SK_ISR_TX2_S_EOF		0x00000010
166 #define SK_ISR_TX2_S_EOB		0x00000020
167 #define SK_ISR_TX1_AS_CHECK		0x00000040
168 #define SK_ISR_TX1_AS_EOF		0x00000080
169 #define SK_ISR_TX1_AS_EOB		0x00000100
170 #define SK_ISR_TX1_S_CHECK		0x00000200
171 #define SK_ISR_TX1_S_EOF		0x00000400
172 #define SK_ISR_TX1_S_EOB		0x00000800
173 #define SK_ISR_RX2_CHECK		0x00001000
174 #define SK_ISR_RX2_EOF			0x00002000
175 #define SK_ISR_RX2_EOB			0x00004000
176 #define SK_ISR_RX1_CHECK		0x00008000
177 #define SK_ISR_RX1_EOF			0x00010000
178 #define SK_ISR_RX1_EOB			0x00020000
179 #define SK_ISR_LINK2_OFLOW		0x00040000
180 #define SK_ISR_MAC2			0x00080000
181 #define SK_ISR_LINK1_OFLOW		0x00100000
182 #define SK_ISR_MAC1			0x00200000
183 #define SK_ISR_TIMER			0x00400000
184 #define SK_ISR_EXTERNAL_REG		0x00800000
185 #define SK_ISR_SW			0x01000000
186 #define SK_ISR_I2C_RDY			0x02000000
187 #define SK_ISR_TX2_TIMEO		0x04000000
188 #define SK_ISR_TX1_TIMEO		0x08000000
189 #define SK_ISR_RX2_TIMEO		0x10000000
190 #define SK_ISR_RX1_TIMEO		0x20000000
191 #define SK_ISR_RSVD			0x40000000
192 #define SK_ISR_HWERR			0x80000000
193 
194 /* SK_IMR register */
195 #define SK_IMR_TX2_AS_CHECK		0x00000001
196 #define SK_IMR_TX2_AS_EOF		0x00000002
197 #define SK_IMR_TX2_AS_EOB		0x00000004
198 #define SK_IMR_TX2_S_CHECK		0x00000008
199 #define SK_IMR_TX2_S_EOF		0x00000010
200 #define SK_IMR_TX2_S_EOB		0x00000020
201 #define SK_IMR_TX1_AS_CHECK		0x00000040
202 #define SK_IMR_TX1_AS_EOF		0x00000080
203 #define SK_IMR_TX1_AS_EOB		0x00000100
204 #define SK_IMR_TX1_S_CHECK		0x00000200
205 #define SK_IMR_TX1_S_EOF		0x00000400
206 #define SK_IMR_TX1_S_EOB		0x00000800
207 #define SK_IMR_RX2_CHECK		0x00001000
208 #define SK_IMR_RX2_EOF			0x00002000
209 #define SK_IMR_RX2_EOB			0x00004000
210 #define SK_IMR_RX1_CHECK		0x00008000
211 #define SK_IMR_RX1_EOF			0x00010000
212 #define SK_IMR_RX1_EOB			0x00020000
213 #define SK_IMR_LINK2_OFLOW		0x00040000
214 #define SK_IMR_MAC2			0x00080000
215 #define SK_IMR_LINK1_OFLOW		0x00100000
216 #define SK_IMR_MAC1			0x00200000
217 #define SK_IMR_TIMER			0x00400000
218 #define SK_IMR_EXTERNAL_REG		0x00800000
219 #define SK_IMR_SW			0x01000000
220 #define SK_IMR_I2C_RDY			0x02000000
221 #define SK_IMR_TX2_TIMEO		0x04000000
222 #define SK_IMR_TX1_TIMEO		0x08000000
223 #define SK_IMR_RX2_TIMEO		0x10000000
224 #define SK_IMR_RX1_TIMEO		0x20000000
225 #define SK_IMR_RSVD			0x40000000
226 #define SK_IMR_HWERR			0x80000000
227 
228 #define SK_INTRS1	\
229 	(SK_IMR_RX1_EOF|SK_IMR_TX1_S_EOF|SK_IMR_MAC1)
230 
231 #define SK_INTRS2	\
232 	(SK_IMR_RX2_EOF|SK_IMR_TX2_S_EOF|SK_IMR_MAC2)
233 
234 /* SK_IESR register */
235 #define SK_IESR_PAR_RX2			0x00000001
236 #define SK_IESR_PAR_RX1			0x00000002
237 #define SK_IESR_PAR_MAC2		0x00000004
238 #define SK_IESR_PAR_MAC1		0x00000008
239 #define SK_IESR_PAR_WR_RAM		0x00000010
240 #define SK_IESR_PAR_RD_RAM		0x00000020
241 #define SK_IESR_NO_TSTAMP_MAC2		0x00000040
242 #define SK_IESR_NO_TSTAMO_MAC1		0x00000080
243 #define SK_IESR_NO_STS_MAC2		0x00000100
244 #define SK_IESR_NO_STS_MAC1		0x00000200
245 #define SK_IESR_IRQ_STS			0x00000400
246 #define SK_IESR_MASTERERR		0x00000800
247 
248 /* SK_IEMR register */
249 #define SK_IEMR_PAR_RX2			0x00000001
250 #define SK_IEMR_PAR_RX1			0x00000002
251 #define SK_IEMR_PAR_MAC2		0x00000004
252 #define SK_IEMR_PAR_MAC1		0x00000008
253 #define SK_IEMR_PAR_WR_RAM		0x00000010
254 #define SK_IEMR_PAR_RD_RAM		0x00000020
255 #define SK_IEMR_NO_TSTAMP_MAC2		0x00000040
256 #define SK_IEMR_NO_TSTAMO_MAC1		0x00000080
257 #define SK_IEMR_NO_STS_MAC2		0x00000100
258 #define SK_IEMR_NO_STS_MAC1		0x00000200
259 #define SK_IEMR_IRQ_STS			0x00000400
260 #define SK_IEMR_MASTERERR		0x00000800
261 
262 /* Block 2 */
263 #define SK_MAC0_0	0x0100
264 #define SK_MAC0_1	0x0104
265 #define SK_MAC1_0	0x0108
266 #define SK_MAC1_1	0x010C
267 #define SK_MAC2_0	0x0110
268 #define SK_MAC2_1	0x0114
269 #define SK_CONNTYPE	0x0118
270 #define SK_PMDTYPE	0x0119
271 #define SK_CONFIG	0x011A
272 #define SK_CHIPVER	0x011B
273 #define SK_EPROM0	0x011C
274 #define SK_EPROM1	0x011D
275 #define SK_EPROM2	0x011E
276 #define SK_EPROM3	0x011F
277 #define SK_EP_ADDR	0x0120
278 #define SK_EP_DATA	0x0124
279 #define SK_EP_LOADCTL	0x0128
280 #define SK_EP_LOADTST	0x0129
281 #define SK_TIMERINIT	0x0130
282 #define SK_TIMER	0x0134
283 #define SK_TIMERCTL	0x0138
284 #define SK_TIMERTST	0x0139
285 #define SK_IMTIMERINIT	0x0140
286 #define SK_IMTIMER	0x0144
287 #define SK_IMTIMERCTL	0x0148
288 #define SK_IMTIMERTST	0x0149
289 #define SK_IMMR		0x014C
290 #define SK_IHWEMR	0x0150
291 #define SK_TESTCTL1	0x0158
292 #define SK_TESTCTL2	0x0159
293 #define SK_GPIO		0x015C
294 #define SK_I2CHWCTL	0x0160
295 #define SK_I2CHWDATA	0x0164
296 #define SK_I2CHWIRQ	0x0168
297 #define SK_I2CSW	0x016C
298 #define SK_BLNKINIT	0x0170
299 #define SK_BLNKCOUNT	0x0174
300 #define SK_BLNKCTL	0x0178
301 #define SK_BLNKSTS	0x0179
302 #define SK_BLNKTST	0x017A
303 
304 #define SK_IMCTL_STOP	0x02
305 #define SK_IMCTL_START	0x04
306 
307 #define SK_IMTIMER_TICKS	54
308 #define SK_IM_USECS(x)		((x) * SK_IMTIMER_TICKS)
309 
310 /*
311  * The SK_EPROM0 register contains a byte that describes the
312  * amount of SRAM mounted on the NIC. The value also tells if
313  * the chips are 64K or 128K. This affects the RAMbuffer address
314  * offset that we need to use.
315  */
316 #define SK_RAMSIZE_512K_64	0x1
317 #define SK_RAMSIZE_1024K_128	0x2
318 #define SK_RAMSIZE_1024K_64	0x3
319 #define SK_RAMSIZE_2048K_128	0x4
320 
321 #define SK_RBOFF_0		0x0
322 #define SK_RBOFF_80000		0x80000
323 
324 /*
325  * SK_EEPROM1 contains the PHY type, which may be XMAC for
326  * fiber-based cards or BCOM for 1000baseT cards with a Broadcom
327  * PHY.
328  */
329 #define SK_PHYTYPE_XMAC		0       /* integeated XMAC II PHY */
330 #define SK_PHYTYPE_BCOM		1       /* Broadcom BCM5400 */
331 #define SK_PHYTYPE_LONE		2       /* Level One LXT1000 */
332 #define SK_PHYTYPE_NAT		3       /* National DP83891 */
333 
334 /*
335  * PHY addresses.
336  */
337 #define SK_PHYADDR_XMAC		0x0
338 #define SK_PHYADDR_BCOM		0x1
339 #define SK_PHYADDR_LONE		0x3
340 #define SK_PHYADDR_NAT		0x0
341 
342 #define SK_CONFIG_SINGLEMAC	0x01
343 #define SK_CONFIG_DIS_DSL_CLK	0x02
344 
345 #define SK_PMD_1000BASELX	0x4C
346 #define SK_PMD_1000BASESX	0x53
347 #define SK_PMD_1000BASECX	0x43
348 #define SK_PMD_1000BASETX	0x54
349 
350 /* GPIO bits */
351 #define SK_GPIO_DAT0		0x00000001
352 #define SK_GPIO_DAT1		0x00000002
353 #define SK_GPIO_DAT2		0x00000004
354 #define SK_GPIO_DAT3		0x00000008
355 #define SK_GPIO_DAT4		0x00000010
356 #define SK_GPIO_DAT5		0x00000020
357 #define SK_GPIO_DAT6		0x00000040
358 #define SK_GPIO_DAT7		0x00000080
359 #define SK_GPIO_DAT8		0x00000100
360 #define SK_GPIO_DAT9		0x00000200
361 #define SK_GPIO_DIR0		0x00010000
362 #define SK_GPIO_DIR1		0x00020000
363 #define SK_GPIO_DIR2		0x00040000
364 #define SK_GPIO_DIR3		0x00080000
365 #define SK_GPIO_DIR4		0x00100000
366 #define SK_GPIO_DIR5		0x00200000
367 #define SK_GPIO_DIR6		0x00400000
368 #define SK_GPIO_DIR7		0x00800000
369 #define SK_GPIO_DIR8		0x01000000
370 #define SK_GPIO_DIR9           0x02000000
371 
372 /* Block 3 Ram interface and MAC arbiter registers */
373 #define SK_RAMADDR	0x0180
374 #define SK_RAMDATA0	0x0184
375 #define SK_RAMDATA1	0x0188
376 #define SK_TO0		0x0190
377 #define SK_TO1		0x0191
378 #define SK_TO2		0x0192
379 #define SK_TO3		0x0193
380 #define SK_TO4		0x0194
381 #define SK_TO5		0x0195
382 #define SK_TO6		0x0196
383 #define SK_TO7		0x0197
384 #define SK_TO8		0x0198
385 #define SK_TO9		0x0199
386 #define SK_TO10		0x019A
387 #define SK_TO11		0x019B
388 #define SK_RITIMEO_TMR	0x019C
389 #define SK_RAMCTL	0x01A0
390 #define SK_RITIMER_TST	0x01A2
391 
392 #define SK_RAMCTL_RESET		0x0001
393 #define SK_RAMCTL_UNRESET	0x0002
394 #define SK_RAMCTL_CLR_IRQ_WPAR	0x0100
395 #define SK_RAMCTL_CLR_IRQ_RPAR	0x0200
396 
397 /* Mac arbiter registers */
398 #define SK_MINIT_RX1	0x01B0
399 #define SK_MINIT_RX2	0x01B1
400 #define SK_MINIT_TX1	0x01B2
401 #define SK_MINIT_TX2	0x01B3
402 #define SK_MTIMEO_RX1	0x01B4
403 #define SK_MTIMEO_RX2	0x01B5
404 #define SK_MTIMEO_TX1	0x01B6
405 #define SK_MTIEMO_TX2	0x01B7
406 #define SK_MACARB_CTL	0x01B8
407 #define SK_MTIMER_TST	0x01BA
408 #define SK_RCINIT_RX1	0x01C0
409 #define SK_RCINIT_RX2	0x01C1
410 #define SK_RCINIT_TX1	0x01C2
411 #define SK_RCINIT_TX2	0x01C3
412 #define SK_RCTIMEO_RX1	0x01C4
413 #define SK_RCTIMEO_RX2	0x01C5
414 #define SK_RCTIMEO_TX1	0x01C6
415 #define SK_RCTIMEO_TX2	0x01C7
416 #define SK_RECOVERY_CTL	0x01C8
417 #define SK_RCTIMER_TST	0x01CA
418 
419 /* Packet arbiter registers */
420 #define SK_RXPA1_TINIT	0x01D0
421 #define SK_RXPA2_TINIT	0x01D4
422 #define SK_TXPA1_TINIT	0x01D8
423 #define SK_TXPA2_TINIT	0x01DC
424 #define SK_RXPA1_TIMEO	0x01E0
425 #define SK_RXPA2_TIMEO	0x01E4
426 #define SK_TXPA1_TIMEO	0x01E8
427 #define SK_TXPA2_TIMEO	0x01EC
428 #define SK_PKTARB_CTL	0x01F0
429 #define SK_PKTATB_TST	0x01F2
430 
431 #define SK_PKTARB_TIMEOUT	0x2000
432 
433 #define SK_PKTARBCTL_RESET		0x0001
434 #define SK_PKTARBCTL_UNRESET		0x0002
435 #define SK_PKTARBCTL_RXTO1_OFF		0x0004
436 #define SK_PKTARBCTL_RXTO1_ON		0x0008
437 #define SK_PKTARBCTL_RXTO2_OFF		0x0010
438 #define SK_PKTARBCTL_RXTO2_ON		0x0020
439 #define SK_PKTARBCTL_TXTO1_OFF		0x0040
440 #define SK_PKTARBCTL_TXTO1_ON		0x0080
441 #define SK_PKTARBCTL_TXTO2_OFF		0x0100
442 #define SK_PKTARBCTL_TXTO2_ON		0x0200
443 #define SK_PKTARBCTL_CLR_IRQ_RXTO1	0x0400
444 #define SK_PKTARBCTL_CLR_IRQ_RXTO2	0x0800
445 #define SK_PKTARBCTL_CLR_IRQ_TXTO1	0x1000
446 #define SK_PKTARBCTL_CLR_IRQ_TXTO2	0x2000
447 
448 #define SK_MINIT_XMAC_B2	54
449 #define SK_MINIT_XMAC_C1	63
450 
451 #define SK_MACARBCTL_RESET	0x0001
452 #define SK_MACARBCTL_UNRESET	0x0002
453 #define SK_MACARBCTL_FASTOE_OFF	0x0004
454 #define SK_MACARBCRL_FASTOE_ON	0x0008
455 
456 #define SK_RCINIT_XMAC_B2	54
457 #define SK_RCINIT_XMAC_C1	0
458 
459 #define SK_RECOVERYCTL_RX1_OFF	0x0001
460 #define SK_RECOVERYCTL_RX1_ON	0x0002
461 #define SK_RECOVERYCTL_RX2_OFF	0x0004
462 #define SK_RECOVERYCTL_RX2_ON	0x0008
463 #define SK_RECOVERYCTL_TX1_OFF	0x0010
464 #define SK_RECOVERYCTL_TX1_ON	0x0020
465 #define SK_RECOVERYCTL_TX2_OFF	0x0040
466 #define SK_RECOVERYCTL_TX2_ON	0x0080
467 
468 #define SK_RECOVERY_XMAC_B2				\
469 	(SK_RECOVERYCTL_RX1_ON|SK_RECOVERYCTL_RX2_ON|	\
470 	SK_RECOVERYCTL_TX1_ON|SK_RECOVERYCTL_TX2_ON)
471 
472 #define SK_RECOVERY_XMAC_C1				\
473 	(SK_RECOVERYCTL_RX1_OFF|SK_RECOVERYCTL_RX2_OFF|	\
474 	SK_RECOVERYCTL_TX1_OFF|SK_RECOVERYCTL_TX2_OFF)
475 
476 /* Block 4 -- TX Arbiter MAC 1 */
477 #define SK_TXAR1_TIMERINIT	0x0200
478 #define SK_TXAR1_TIMERVAL	0x0204
479 #define SK_TXAR1_LIMITINIT	0x0208
480 #define SK_TXAR1_LIMITCNT	0x020C
481 #define SK_TXAR1_COUNTERCTL	0x0210
482 #define SK_TXAR1_COUNTERTST	0x0212
483 #define SK_TXAR1_COUNTERSTS	0x0212
484 
485 /* Block 5 -- TX Arbiter MAC 2 */
486 #define SK_TXAR2_TIMERINIT	0x0280
487 #define SK_TXAR2_TIMERVAL	0x0284
488 #define SK_TXAR2_LIMITINIT	0x0288
489 #define SK_TXAR2_LIMITCNT	0x028C
490 #define SK_TXAR2_COUNTERCTL	0x0290
491 #define SK_TXAR2_COUNTERTST	0x0291
492 #define SK_TXAR2_COUNTERSTS	0x0292
493 
494 #define SK_TXARCTL_OFF		0x01
495 #define SK_TXARCTL_ON		0x02
496 #define SK_TXARCTL_RATECTL_OFF	0x04
497 #define SK_TXARCTL_RATECTL_ON	0x08
498 #define SK_TXARCTL_ALLOC_OFF	0x10
499 #define SK_TXARCTL_ALLOC_ON	0x20
500 #define SK_TXARCTL_FSYNC_OFF	0x40
501 #define SK_TXARCTL_FSYNC_ON	0x80
502 
503 /* Block 6 -- External registers */
504 #define SK_EXTREG_BASE	0x300
505 #define SK_EXTREG_END	0x37C
506 
507 /* Block 7 -- PCI config registers */
508 #define SK_PCI_BASE	0x0380
509 #define SK_PCI_END	0x03FC
510 
511 /* Compute offset of mirrored PCI register */
512 #define SK_PCI_REG(reg)		((reg) + SK_PCI_BASE)
513 
514 /* Block 8 -- RX queue 1 */
515 #define SK_RXQ1_BUFCNT		0x0400
516 #define SK_RXQ1_BUFCTL		0x0402
517 #define SK_RXQ1_NEXTDESC	0x0404
518 #define SK_RXQ1_RXBUF_LO	0x0408
519 #define SK_RXQ1_RXBUF_HI	0x040C
520 #define SK_RXQ1_RXSTAT		0x0410
521 #define SK_RXQ1_TIMESTAMP	0x0414
522 #define SK_RXQ1_CSUM1		0x0418
523 #define SK_RXQ1_CSUM2		0x041A
524 #define SK_RXQ1_CSUM1_START	0x041C
525 #define SK_RXQ1_CSUM2_START	0x041E
526 #define SK_RXQ1_CURADDR_LO	0x0420
527 #define SK_RXQ1_CURADDR_HI	0x0424
528 #define SK_RXQ1_CURCNT_LO	0x0428
529 #define SK_RXQ1_CURCNT_HI	0x042C
530 #define SK_RXQ1_CURBYTES	0x0430
531 #define SK_RXQ1_BMU_CSR		0x0434
532 #define SK_RXQ1_WATERMARK	0x0438
533 #define SK_RXQ1_FLAG		0x043A
534 #define SK_RXQ1_TEST1		0x043C
535 #define SK_RXQ1_TEST2		0x0440
536 #define SK_RXQ1_TEST3		0x0444
537 
538 /* Block 9 -- RX queue 2 */
539 #define SK_RXQ2_BUFCNT		0x0480
540 #define SK_RXQ2_BUFCTL		0x0482
541 #define SK_RXQ2_NEXTDESC	0x0484
542 #define SK_RXQ2_RXBUF_LO	0x0488
543 #define SK_RXQ2_RXBUF_HI	0x048C
544 #define SK_RXQ2_RXSTAT		0x0490
545 #define SK_RXQ2_TIMESTAMP	0x0494
546 #define SK_RXQ2_CSUM1		0x0498
547 #define SK_RXQ2_CSUM2		0x049A
548 #define SK_RXQ2_CSUM1_START	0x049C
549 #define SK_RXQ2_CSUM2_START	0x049E
550 #define SK_RXQ2_CURADDR_LO	0x04A0
551 #define SK_RXQ2_CURADDR_HI	0x04A4
552 #define SK_RXQ2_CURCNT_LO	0x04A8
553 #define SK_RXQ2_CURCNT_HI	0x04AC
554 #define SK_RXQ2_CURBYTES	0x04B0
555 #define SK_RXQ2_BMU_CSR		0x04B4
556 #define SK_RXQ2_WATERMARK	0x04B8
557 #define SK_RXQ2_FLAG		0x04BA
558 #define SK_RXQ2_TEST1		0x04BC
559 #define SK_RXQ2_TEST2		0x04C0
560 #define SK_RXQ2_TEST3		0x04C4
561 
562 #define SK_RXBMU_CLR_IRQ_ERR		0x00000001
563 #define SK_RXBMU_CLR_IRQ_EOF		0x00000002
564 #define SK_RXBMU_CLR_IRQ_EOB		0x00000004
565 #define SK_RXBMU_CLR_IRQ_PAR		0x00000008
566 #define SK_RXBMU_RX_START		0x00000010
567 #define SK_RXBMU_RX_STOP		0x00000020
568 #define SK_RXBMU_POLL_OFF		0x00000040
569 #define SK_RXBMU_POLL_ON		0x00000080
570 #define SK_RXBMU_TRANSFER_SM_RESET	0x00000100
571 #define SK_RXBMU_TRANSFER_SM_UNRESET	0x00000200
572 #define SK_RXBMU_DESCWR_SM_RESET	0x00000400
573 #define SK_RXBMU_DESCWR_SM_UNRESET	0x00000800
574 #define SK_RXBMU_DESCRD_SM_RESET	0x00001000
575 #define SK_RXBMU_DESCRD_SM_UNRESET	0x00002000
576 #define SK_RXBMU_SUPERVISOR_SM_RESET	0x00004000
577 #define SK_RXBMU_SUPERVISOR_SM_UNRESET	0x00008000
578 #define SK_RXBMU_PFI_SM_RESET		0x00010000
579 #define SK_RXBMU_PFI_SM_UNRESET		0x00020000
580 #define SK_RXBMU_FIFO_RESET		0x00040000
581 #define SK_RXBMU_FIFO_UNRESET		0x00080000
582 #define SK_RXBMU_DESC_RESET		0x00100000
583 #define SK_RXBMU_DESC_UNRESET		0x00200000
584 #define SK_RXBMU_SUPERVISOR_IDLE	0x01000000
585 
586 #define SK_RXBMU_ONLINE		\
587 	(SK_RXBMU_TRANSFER_SM_UNRESET|SK_RXBMU_DESCWR_SM_UNRESET|	\
588 	SK_RXBMU_DESCRD_SM_UNRESET|SK_RXBMU_SUPERVISOR_SM_UNRESET|	\
589 	SK_RXBMU_PFI_SM_UNRESET|SK_RXBMU_FIFO_UNRESET|			\
590 	SK_RXBMU_DESC_UNRESET)
591 
592 #define SK_RXBMU_OFFLINE		\
593 	(SK_RXBMU_TRANSFER_SM_RESET|SK_RXBMU_DESCWR_SM_RESET|	\
594 	SK_RXBMU_DESCRD_SM_RESET|SK_RXBMU_SUPERVISOR_SM_RESET|	\
595 	SK_RXBMU_PFI_SM_RESET|SK_RXBMU_FIFO_RESET|		\
596 	SK_RXBMU_DESC_RESET)
597 
598 /* Block 12 -- TX sync queue 1 */
599 #define SK_TXQS1_BUFCNT		0x0600
600 #define SK_TXQS1_BUFCTL		0x0602
601 #define SK_TXQS1_NEXTDESC	0x0604
602 #define SK_TXQS1_RXBUF_LO	0x0608
603 #define SK_TXQS1_RXBUF_HI	0x060C
604 #define SK_TXQS1_RXSTAT		0x0610
605 #define SK_TXQS1_CSUM_STARTVAL	0x0614
606 #define SK_TXQS1_CSUM_STARTPOS	0x0618
607 #define SK_TXQS1_CSUM_WRITEPOS	0x061A
608 #define SK_TXQS1_CURADDR_LO	0x0620
609 #define SK_TXQS1_CURADDR_HI	0x0624
610 #define SK_TXQS1_CURCNT_LO	0x0628
611 #define SK_TXQS1_CURCNT_HI	0x062C
612 #define SK_TXQS1_CURBYTES	0x0630
613 #define SK_TXQS1_BMU_CSR	0x0634
614 #define SK_TXQS1_WATERMARK	0x0638
615 #define SK_TXQS1_FLAG		0x063A
616 #define SK_TXQS1_TEST1		0x063C
617 #define SK_TXQS1_TEST2		0x0640
618 #define SK_TXQS1_TEST3		0x0644
619 
620 /* Block 13 -- TX async queue 1 */
621 #define SK_TXQA1_BUFCNT		0x0680
622 #define SK_TXQA1_BUFCTL		0x0682
623 #define SK_TXQA1_NEXTDESC	0x0684
624 #define SK_TXQA1_RXBUF_LO	0x0688
625 #define SK_TXQA1_RXBUF_HI	0x068C
626 #define SK_TXQA1_RXSTAT		0x0690
627 #define SK_TXQA1_CSUM_STARTVAL	0x0694
628 #define SK_TXQA1_CSUM_STARTPOS	0x0698
629 #define SK_TXQA1_CSUM_WRITEPOS	0x069A
630 #define SK_TXQA1_CURADDR_LO	0x06A0
631 #define SK_TXQA1_CURADDR_HI	0x06A4
632 #define SK_TXQA1_CURCNT_LO	0x06A8
633 #define SK_TXQA1_CURCNT_HI	0x06AC
634 #define SK_TXQA1_CURBYTES	0x06B0
635 #define SK_TXQA1_BMU_CSR	0x06B4
636 #define SK_TXQA1_WATERMARK	0x06B8
637 #define SK_TXQA1_FLAG		0x06BA
638 #define SK_TXQA1_TEST1		0x06BC
639 #define SK_TXQA1_TEST2		0x06C0
640 #define SK_TXQA1_TEST3		0x06C4
641 
642 /* Block 14 -- TX sync queue 2 */
643 #define SK_TXQS2_BUFCNT		0x0700
644 #define SK_TXQS2_BUFCTL		0x0702
645 #define SK_TXQS2_NEXTDESC	0x0704
646 #define SK_TXQS2_RXBUF_LO	0x0708
647 #define SK_TXQS2_RXBUF_HI	0x070C
648 #define SK_TXQS2_RXSTAT		0x0710
649 #define SK_TXQS2_CSUM_STARTVAL	0x0714
650 #define SK_TXQS2_CSUM_STARTPOS	0x0718
651 #define SK_TXQS2_CSUM_WRITEPOS	0x071A
652 #define SK_TXQS2_CURADDR_LO	0x0720
653 #define SK_TXQS2_CURADDR_HI	0x0724
654 #define SK_TXQS2_CURCNT_LO	0x0728
655 #define SK_TXQS2_CURCNT_HI	0x072C
656 #define SK_TXQS2_CURBYTES	0x0730
657 #define SK_TXQS2_BMU_CSR	0x0734
658 #define SK_TXQS2_WATERMARK	0x0738
659 #define SK_TXQS2_FLAG		0x073A
660 #define SK_TXQS2_TEST1		0x073C
661 #define SK_TXQS2_TEST2		0x0740
662 #define SK_TXQS2_TEST3		0x0744
663 
664 /* Block 15 -- TX async queue 2 */
665 #define SK_TXQA2_BUFCNT		0x0780
666 #define SK_TXQA2_BUFCTL		0x0782
667 #define SK_TXQA2_NEXTDESC	0x0784
668 #define SK_TXQA2_RXBUF_LO	0x0788
669 #define SK_TXQA2_RXBUF_HI	0x078C
670 #define SK_TXQA2_RXSTAT		0x0790
671 #define SK_TXQA2_CSUM_STARTVAL	0x0794
672 #define SK_TXQA2_CSUM_STARTPOS	0x0798
673 #define SK_TXQA2_CSUM_WRITEPOS	0x079A
674 #define SK_TXQA2_CURADDR_LO	0x07A0
675 #define SK_TXQA2_CURADDR_HI	0x07A4
676 #define SK_TXQA2_CURCNT_LO	0x07A8
677 #define SK_TXQA2_CURCNT_HI	0x07AC
678 #define SK_TXQA2_CURBYTES	0x07B0
679 #define SK_TXQA2_BMU_CSR	0x07B4
680 #define SK_TXQA2_WATERMARK	0x07B8
681 #define SK_TXQA2_FLAG		0x07BA
682 #define SK_TXQA2_TEST1		0x07BC
683 #define SK_TXQA2_TEST2		0x07C0
684 #define SK_TXQA2_TEST3		0x07C4
685 
686 #define SK_TXBMU_CLR_IRQ_ERR		0x00000001
687 #define SK_TXBMU_CLR_IRQ_EOF		0x00000002
688 #define SK_TXBMU_CLR_IRQ_EOB		0x00000004
689 #define SK_TXBMU_TX_START		0x00000010
690 #define SK_TXBMU_TX_STOP		0x00000020
691 #define SK_TXBMU_POLL_OFF		0x00000040
692 #define SK_TXBMU_POLL_ON		0x00000080
693 #define SK_TXBMU_TRANSFER_SM_RESET	0x00000100
694 #define SK_TXBMU_TRANSFER_SM_UNRESET	0x00000200
695 #define SK_TXBMU_DESCWR_SM_RESET	0x00000400
696 #define SK_TXBMU_DESCWR_SM_UNRESET	0x00000800
697 #define SK_TXBMU_DESCRD_SM_RESET	0x00001000
698 #define SK_TXBMU_DESCRD_SM_UNRESET	0x00002000
699 #define SK_TXBMU_SUPERVISOR_SM_RESET	0x00004000
700 #define SK_TXBMU_SUPERVISOR_SM_UNRESET	0x00008000
701 #define SK_TXBMU_PFI_SM_RESET		0x00010000
702 #define SK_TXBMU_PFI_SM_UNRESET		0x00020000
703 #define SK_TXBMU_FIFO_RESET		0x00040000
704 #define SK_TXBMU_FIFO_UNRESET		0x00080000
705 #define SK_TXBMU_DESC_RESET		0x00100000
706 #define SK_TXBMU_DESC_UNRESET		0x00200000
707 #define SK_TXBMU_SUPERVISOR_IDLE	0x01000000
708 
709 #define SK_TXBMU_ONLINE		\
710 	(SK_TXBMU_TRANSFER_SM_UNRESET|SK_TXBMU_DESCWR_SM_UNRESET|	\
711 	SK_TXBMU_DESCRD_SM_UNRESET|SK_TXBMU_SUPERVISOR_SM_UNRESET|	\
712 	SK_TXBMU_PFI_SM_UNRESET|SK_TXBMU_FIFO_UNRESET|			\
713 	SK_TXBMU_DESC_UNRESET)
714 
715 #define SK_TXBMU_OFFLINE		\
716 	(SK_TXBMU_TRANSFER_SM_RESET|SK_TXBMU_DESCWR_SM_RESET|	\
717 	SK_TXBMU_DESCRD_SM_RESET|SK_TXBMU_SUPERVISOR_SM_RESET|	\
718 	SK_TXBMU_PFI_SM_RESET|SK_TXBMU_FIFO_RESET|		\
719 	SK_TXBMU_DESC_RESET)
720 
721 /* Block 16 -- Receive RAMbuffer 1 */
722 #define SK_RXRB1_START		0x0800
723 #define SK_RXRB1_END		0x0804
724 #define SK_RXRB1_WR_PTR		0x0808
725 #define SK_RXRB1_RD_PTR		0x080C
726 #define SK_RXRB1_UTHR_PAUSE	0x0810
727 #define SK_RXRB1_LTHR_PAUSE	0x0814
728 #define SK_RXRB1_UTHR_HIPRIO	0x0818
729 #define SK_RXRB1_UTHR_LOPRIO	0x081C
730 #define SK_RXRB1_PKTCNT		0x0820
731 #define SK_RXRB1_LVL		0x0824
732 #define SK_RXRB1_CTLTST		0x0828
733 
734 /* Block 17 -- Receive RAMbuffer 2 */
735 #define SK_RXRB2_START		0x0880
736 #define SK_RXRB2_END		0x0884
737 #define SK_RXRB2_WR_PTR		0x0888
738 #define SK_RXRB2_RD_PTR		0x088C
739 #define SK_RXRB2_UTHR_PAUSE	0x0890
740 #define SK_RXRB2_LTHR_PAUSE	0x0894
741 #define SK_RXRB2_UTHR_HIPRIO	0x0898
742 #define SK_RXRB2_UTHR_LOPRIO	0x089C
743 #define SK_RXRB2_PKTCNT		0x08A0
744 #define SK_RXRB2_LVL		0x08A4
745 #define SK_RXRB2_CTLTST		0x08A8
746 
747 /* Block 20 -- Sync. Transmit RAMbuffer 1 */
748 #define SK_TXRBS1_START		0x0A00
749 #define SK_TXRBS1_END		0x0A04
750 #define SK_TXRBS1_WR_PTR	0x0A08
751 #define SK_TXRBS1_RD_PTR	0x0A0C
752 #define SK_TXRBS1_PKTCNT	0x0A20
753 #define SK_TXRBS1_LVL		0x0A24
754 #define SK_TXRBS1_CTLTST	0x0A28
755 
756 /* Block 21 -- Async. Transmit RAMbuffer 1 */
757 #define SK_TXRBA1_START		0x0A80
758 #define SK_TXRBA1_END		0x0A84
759 #define SK_TXRBA1_WR_PTR	0x0A88
760 #define SK_TXRBA1_RD_PTR	0x0A8C
761 #define SK_TXRBA1_PKTCNT	0x0AA0
762 #define SK_TXRBA1_LVL		0x0AA4
763 #define SK_TXRBA1_CTLTST	0x0AA8
764 
765 /* Block 22 -- Sync. Transmit RAMbuffer 2 */
766 #define SK_TXRBS2_START		0x0B00
767 #define SK_TXRBS2_END		0x0B04
768 #define SK_TXRBS2_WR_PTR	0x0B08
769 #define SK_TXRBS2_RD_PTR	0x0B0C
770 #define SK_TXRBS2_PKTCNT	0x0B20
771 #define SK_TXRBS2_LVL		0x0B24
772 #define SK_TXRBS2_CTLTST	0x0B28
773 
774 /* Block 23 -- Async. Transmit RAMbuffer 2 */
775 #define SK_TXRBA2_START		0x0B80
776 #define SK_TXRBA2_END		0x0B84
777 #define SK_TXRBA2_WR_PTR	0x0B88
778 #define SK_TXRBA2_RD_PTR	0x0B8C
779 #define SK_TXRBA2_PKTCNT	0x0BA0
780 #define SK_TXRBA2_LVL		0x0BA4
781 #define SK_TXRBA2_CTLTST	0x0BA8
782 
783 #define SK_RBCTL_RESET		0x00000001
784 #define SK_RBCTL_UNRESET	0x00000002
785 #define SK_RBCTL_OFF		0x00000004
786 #define SK_RBCTL_ON		0x00000008
787 #define SK_RBCTL_STORENFWD_OFF	0x00000010
788 #define SK_RBCTL_STORENFWD_ON	0x00000020
789 
790 /* Block 24 -- RX MAC FIFO 1 regisrers and LINK_SYNC counter */
791 #define SK_RXF1_END		0x0C00
792 #define SK_RXF1_WPTR		0x0C04
793 #define SK_RXF1_RPTR		0x0C0C
794 #define SK_RXF1_PKTCNT		0x0C10
795 #define SK_RXF1_LVL		0x0C14
796 #define SK_RXF1_MACCTL		0x0C18
797 #define SK_RXF1_CTL		0x0C1C
798 #define SK_RXLED1_CNTINIT	0x0C20
799 #define SK_RXLED1_COUNTER	0x0C24
800 #define SK_RXLED1_CTL		0x0C28
801 #define SK_RXLED1_TST		0x0C29
802 #define SK_LINK_SYNC1_CINIT	0x0C30
803 #define SK_LINK_SYNC1_COUNTER	0x0C34
804 #define SK_LINK_SYNC1_CTL	0x0C38
805 #define SK_LINK_SYNC1_TST	0x0C39
806 #define SK_LINKLED1_CTL		0x0C3C
807 
808 #define SK_FIFO_END		0x3F
809 
810 /* Block 25 -- RX MAC FIFO 2 regisrers and LINK_SYNC counter */
811 #define SK_RXF2_END		0x0C80
812 #define SK_RXF2_WPTR		0x0C84
813 #define SK_RXF2_RPTR		0x0C8C
814 #define SK_RXF2_PKTCNT		0x0C90
815 #define SK_RXF2_LVL		0x0C94
816 #define SK_RXF2_MACCTL		0x0C98
817 #define SK_RXF2_CTL		0x0C9C
818 #define SK_RXLED2_CNTINIT	0x0CA0
819 #define SK_RXLED2_COUNTER	0x0CA4
820 #define SK_RXLED2_CTL		0x0CA8
821 #define SK_RXLED2_TST		0x0CA9
822 #define SK_LINK_SYNC2_CINIT	0x0CB0
823 #define SK_LINK_SYNC2_COUNTER	0x0CB4
824 #define SK_LINK_SYNC2_CTL	0x0CB8
825 #define SK_LINK_SYNC2_TST	0x0CB9
826 #define SK_LINKLED2_CTL		0x0CBC
827 
828 #define SK_RXMACCTL_CLR_IRQ_NOSTS	0x00000001
829 #define SK_RXMACCTL_CLR_IRQ_NOTSTAMP	0x00000002
830 #define SK_RXMACCTL_TSTAMP_OFF		0x00000004
831 #define SK_RXMACCTL_RSTAMP_ON		0x00000008
832 #define SK_RXMACCTL_FLUSH_OFF		0x00000010
833 #define SK_RXMACCTL_FLUSH_ON		0x00000020
834 #define SK_RXMACCTL_PAUSE_OFF		0x00000040
835 #define SK_RXMACCTL_PAUSE_ON		0x00000080
836 #define SK_RXMACCTL_AFULL_OFF		0x00000100
837 #define SK_RXMACCTL_AFULL_ON		0x00000200
838 #define SK_RXMACCTL_VALIDTIME_PATCH_OFF	0x00000400
839 #define SK_RXMACCTL_VALIDTIME_PATCH_ON	0x00000800
840 #define SK_RXMACCTL_RXRDY_PATCH_OFF	0x00001000
841 #define SK_RXMACCTL_RXRDY_PATCH_ON	0x00002000
842 #define SK_RXMACCTL_STS_TIMEO		0x00FF0000
843 #define SK_RXMACCTL_TSTAMP_TIMEO	0xFF000000
844 
845 #define SK_RXLEDCTL_ENABLE		0x0001
846 #define SK_RXLEDCTL_COUNTER_STOP	0x0002
847 #define SK_RXLEDCTL_COUNTER_START	0x0004
848 
849 #define SK_LINKLED_OFF			0x0001
850 #define SK_LINKLED_ON			0x0002
851 #define SK_LINKLED_LINKSYNC_OFF		0x0004
852 #define SK_LINKLED_LINKSYNC_ON		0x0008
853 #define SK_LINKLED_BLINK_OFF		0x0010
854 #define SK_LINKLED_BLINK_ON		0x0020
855 
856 /* Block 26 -- TX MAC FIFO 1 regisrers  */
857 #define SK_TXF1_END		0x0D00
858 #define SK_TXF1_WPTR		0x0D04
859 #define SK_TXF1_RPTR		0x0D0C
860 #define SK_TXF1_PKTCNT		0x0D10
861 #define SK_TXF1_LVL		0x0D14
862 #define SK_TXF1_MACCTL		0x0D18
863 #define SK_TXF1_CTL		0x0D1C
864 #define SK_TXLED1_CNTINIT	0x0D20
865 #define SK_TXLED1_COUNTER	0x0D24
866 #define SK_TXLED1_CTL		0x0D28
867 #define SK_TXLED1_TST		0x0D29
868 
869 /* Block 27 -- TX MAC FIFO 2 regisrers  */
870 #define SK_TXF2_END		0x0D80
871 #define SK_TXF2_WPTR		0x0D84
872 #define SK_TXF2_RPTR		0x0D8C
873 #define SK_TXF2_PKTCNT		0x0D90
874 #define SK_TXF2_LVL		0x0D94
875 #define SK_TXF2_MACCTL		0x0D98
876 #define SK_TXF2_CTL		0x0D9C
877 #define SK_TXLED2_CNTINIT	0x0DA0
878 #define SK_TXLED2_COUNTER	0x0DA4
879 #define SK_TXLED2_CTL		0x0DA8
880 #define SK_TXLED2_TST		0x0DA9
881 
882 #define SK_TXMACCTL_XMAC_RESET		0x00000001
883 #define SK_TXMACCTL_XMAC_UNRESET	0x00000002
884 #define SK_TXMACCTL_LOOP_OFF		0x00000004
885 #define SK_TXMACCTL_LOOP_ON		0x00000008
886 #define SK_TXMACCTL_FLUSH_OFF		0x00000010
887 #define SK_TXMACCTL_FLUSH_ON		0x00000020
888 #define SK_TXMACCTL_WAITEMPTY_OFF	0x00000040
889 #define SK_TXMACCTL_WAITEMPTY_ON	0x00000080
890 #define SK_TXMACCTL_AFULL_OFF		0x00000100
891 #define SK_TXMACCTL_AFULL_ON		0x00000200
892 #define SK_TXMACCTL_TXRDY_PATCH_OFF	0x00000400
893 #define SK_TXMACCTL_RXRDY_PATCH_ON	0x00000800
894 #define SK_TXMACCTL_PKT_RECOVERY_OFF	0x00001000
895 #define SK_TXMACCTL_PKT_RECOVERY_ON	0x00002000
896 #define SK_TXMACCTL_CLR_IRQ_PERR	0x00008000
897 #define SK_TXMACCTL_WAITAFTERFLUSH	0x00010000
898 
899 #define SK_TXLEDCTL_ENABLE		0x0001
900 #define SK_TXLEDCTL_COUNTER_STOP	0x0002
901 #define SK_TXLEDCTL_COUNTER_START	0x0004
902 
903 #define SK_FIFO_RESET		0x00000001
904 #define SK_FIFO_UNRESET		0x00000002
905 #define SK_FIFO_OFF		0x00000004
906 #define SK_FIFO_ON		0x00000008
907 
908 /* Block 0x40 to 0x4F -- XMAC 1 registers */
909 #define SK_XMAC1_BASE	0x2000
910 #define SK_XMAC1_END	0x23FF
911 
912 /* Block 0x60 to 0x6F -- XMAC 2 registers */
913 #define SK_XMAC2_BASE	0x3000
914 #define SK_XMAC2_END	0x33FF
915 
916 /* Compute relative offset of an XMAC register in the XMAC window(s). */
917 #define SK_XMAC_REG(reg, mac)	(((reg) * 2) + SK_XMAC1_BASE + \
918 	(mac * (SK_XMAC2_BASE - SK_XMAC1_BASE)))
919 
920 #define SK_XM_READ_4(sc, reg)					\
921 	(sk_win_read_2(sc->sk_softc,				\
922 	SK_XMAC_REG(reg, sc->sk_port)) & 0xFFFF) |		\
923 	((sk_win_read_2(sc->sk_softc,				\
924 	SK_XMAC_REG(reg + 2, sc->sk_port)) << 16) & 0xFFFF0000)
925 
926 #define SK_XM_WRITE_4(sc, reg, val)				\
927 	sk_win_write_2(sc->sk_softc,				\
928 	SK_XMAC_REG(reg, sc->sk_port), ((val) & 0xFFFF));	\
929 	sk_win_write_2(sc->sk_softc,				\
930 	SK_XMAC_REG(reg + 2, sc->sk_port), ((val) >> 16) & 0xFFFF);
931 
932 #define SK_XM_READ_2(sc, reg)					\
933 	sk_win_read_2(sc->sk_softc, SK_XMAC_REG(reg, sc->sk_port))
934 
935 #define SK_XM_WRITE_2(sc, reg, val)				\
936 	sk_win_write_2(sc->sk_softc, SK_XMAC_REG(reg, sc->sk_port), val)
937 
938 #define SK_XM_SETBIT_4(sc, reg, x)	\
939 	SK_XM_WRITE_4(sc, reg, (SK_XM_READ_4(sc, reg)) | (x))
940 
941 #define SK_XM_CLRBIT_4(sc, reg, x)	\
942 	SK_XM_WRITE_4(sc, reg, (SK_XM_READ_4(sc, reg)) & ~(x))
943 
944 #define SK_XM_SETBIT_2(sc, reg, x)	\
945 	SK_XM_WRITE_2(sc, reg, (SK_XM_READ_2(sc, reg)) | (x))
946 
947 #define SK_XM_CLRBIT_2(sc, reg, x)	\
948 	SK_XM_WRITE_2(sc, reg, (SK_XM_READ_2(sc, reg)) & ~(x))
949 
950 
951 /*
952  * The default FIFO threshold on the XMAC II is 4 bytes. On
953  * dual port NICs, this often leads to transmit underruns, so we
954  * bump the threshold a little.
955  */
956 #define SK_XM_TX_FIFOTHRESH	512
957 
958 #define SK_PCI_VENDOR_ID	0x0000
959 #define SK_PCI_DEVICE_ID	0x0002
960 #define SK_PCI_COMMAND		0x0004
961 #define SK_PCI_STATUS		0x0006
962 #define SK_PCI_REVID		0x0008
963 #define SK_PCI_CLASSCODE	0x0009
964 #define SK_PCI_CACHELEN		0x000C
965 #define SK_PCI_LATENCY_TIMER	0x000D
966 #define SK_PCI_HEADER_TYPE	0x000E
967 #define SK_PCI_LOMEM		0x0010
968 #define SK_PCI_LOIO		0x0014
969 #define SK_PCI_SUBVEN_ID	0x002C
970 #define SK_PCI_SYBSYS_ID	0x002E
971 #define SK_PCI_BIOSROM		0x0030
972 #define SK_PCI_INTLINE		0x003C
973 #define SK_PCI_INTPIN		0x003D
974 #define SK_PCI_MINGNT		0x003E
975 #define SK_PCI_MINLAT		0x003F
976 
977 /* device specific PCI registers */
978 #define SK_PCI_OURREG1		0x0040
979 #define SK_PCI_OURREG2		0x0044
980 #define SK_PCI_CAPID		0x0048 /* 8 bits */
981 #define SK_PCI_NEXTPTR		0x0049 /* 8 bits */
982 #define SK_PCI_PWRMGMTCAP	0x004A /* 16 bits */
983 #define SK_PCI_PWRMGMTCTRL	0x004C /* 16 bits */
984 #define SK_PCI_PME_EVENT	0x004F
985 #define SK_PCI_VPD_CAPID	0x0050
986 #define SK_PCI_VPD_NEXTPTR	0x0051
987 #define SK_PCI_VPD_ADDR		0x0052
988 #define SK_PCI_VPD_DATA		0x0054
989 
990 #define SK_PSTATE_MASK		0x0003
991 #define SK_PSTATE_D0		0x0000
992 #define SK_PSTATE_D1		0x0001
993 #define SK_PSTATE_D2		0x0002
994 #define SK_PSTATE_D3		0x0003
995 #define SK_PME_EN		0x0010
996 #define SK_PME_STATUS		0x8000
997 
998 /*
999  * VPD flag bit. Set to 0 to initiate a read, will become 1 when
1000  * read is complete. Set to 1 to initiate a write, will become 0
1001  * when write is finished.
1002  */
1003 #define SK_VPD_FLAG		0x8000
1004 
1005 /* VPD structures */
1006 struct vpd_res {
1007 	u_int8_t		vr_id;
1008 	u_int8_t		vr_len;
1009 	u_int8_t		vr_pad;
1010 };
1011 
1012 struct vpd_key {
1013 	char			vk_key[2];
1014 	u_int8_t		vk_len;
1015 };
1016 
1017 #define VPD_RES_ID	0x82	/* ID string */
1018 #define VPD_RES_READ	0x90	/* start of read only area */
1019 #define VPD_RES_WRITE	0x81	/* start of read/write area */
1020 #define VPD_RES_END	0x78	/* end tag */
1021 
1022 #define CSR_WRITE_4(sc, reg, val)	\
1023 	bus_space_write_4(sc->sk_btag, sc->sk_bhandle, reg, val)
1024 #define CSR_WRITE_2(sc, reg, val)	\
1025 	bus_space_write_2(sc->sk_btag, sc->sk_bhandle, reg, val)
1026 #define CSR_WRITE_1(sc, reg, val)	\
1027 	bus_space_write_1(sc->sk_btag, sc->sk_bhandle, reg, val)
1028 
1029 #define CSR_READ_4(sc, reg)		\
1030 	bus_space_read_4(sc->sk_btag, sc->sk_bhandle, reg)
1031 #define CSR_READ_2(sc, reg)		\
1032 	bus_space_read_2(sc->sk_btag, sc->sk_bhandle, reg)
1033 #define CSR_READ_1(sc, reg)		\
1034 	bus_space_read_1(sc->sk_btag, sc->sk_bhandle, reg)
1035 
1036 struct sk_type {
1037 	u_int16_t		sk_vid;
1038 	u_int16_t		sk_did;
1039 	char			*sk_name;
1040 };
1041 
1042 /* RX queue descriptor data structure */
1043 struct sk_rx_desc {
1044 	u_int32_t		sk_ctl;
1045 	u_int32_t		sk_next;
1046 	u_int32_t		sk_data_lo;
1047 	u_int32_t		sk_data_hi;
1048 	u_int32_t		sk_xmac_rxstat;
1049 	u_int32_t		sk_timestamp;
1050 	u_int16_t		sk_csum2;
1051 	u_int16_t		sk_csum1;
1052 	u_int16_t		sk_csum2_start;
1053 	u_int16_t		sk_csum1_start;
1054 };
1055 
1056 #define SK_OPCODE_DEFAULT	0x00550000
1057 #define SK_OPCODE_CSUM		0x00560000
1058 
1059 #define SK_RXCTL_LEN		0x0000FFFF
1060 #define SK_RXCTL_OPCODE		0x00FF0000
1061 #define SK_RXCTL_TSTAMP_VALID	0x01000000
1062 #define SK_RXCTL_STATUS_VALID	0x02000000
1063 #define SK_RXCTL_DEV0		0x04000000
1064 #define SK_RXCTL_EOF_INTR	0x08000000
1065 #define SK_RXCTL_EOB_INTR	0x10000000
1066 #define SK_RXCTL_LASTFRAG	0x20000000
1067 #define SK_RXCTL_FIRSTFRAG	0x40000000
1068 #define SK_RXCTL_OWN		0x80000000
1069 
1070 #define SK_RXSTAT	\
1071 	(SK_OPCODE_DEFAULT|SK_RXCTL_EOF_INTR|SK_RXCTL_LASTFRAG| \
1072 	 SK_RXCTL_FIRSTFRAG|SK_RXCTL_OWN)
1073 
1074 struct sk_tx_desc {
1075 	u_int32_t		sk_ctl;
1076 	u_int32_t		sk_next;
1077 	u_int32_t		sk_data_lo;
1078 	u_int32_t		sk_data_hi;
1079 	u_int32_t		sk_xmac_txstat;
1080 	u_int16_t		sk_rsvd0;
1081 	u_int16_t		sk_csum_startval;
1082 	u_int16_t		sk_csum_startpos;
1083 	u_int16_t		sk_csum_writepos;
1084 	u_int32_t		sk_rsvd1;
1085 };
1086 
1087 #define SK_TXCTL_LEN		0x0000FFFF
1088 #define SK_TXCTL_OPCODE		0x00FF0000
1089 #define SK_TXCTL_SW		0x01000000
1090 #define SK_TXCTL_NOCRC		0x02000000
1091 #define SK_TXCTL_STORENFWD	0x04000000
1092 #define SK_TXCTL_EOF_INTR	0x08000000
1093 #define SK_TXCTL_EOB_INTR	0x10000000
1094 #define SK_TXCTL_LASTFRAG	0x20000000
1095 #define SK_TXCTL_FIRSTFRAG	0x40000000
1096 #define SK_TXCTL_OWN		0x80000000
1097 
1098 #define SK_TXSTAT	\
1099 	(SK_OPCODE_DEFAULT|SK_TXCTL_EOF_INTR|SK_TXCTL_LASTFRAG|SK_TXCTL_OWN)
1100 
1101 #define SK_RXBYTES(x)		(x) & 0x0000FFFF;
1102 #define SK_TXBYTES		SK_RXBYTES
1103 
1104 #define SK_TX_RING_CNT		512
1105 #define SK_RX_RING_CNT		256
1106 
1107 /*
1108  * Jumbo buffer stuff. Note that we must allocate more jumbo
1109  * buffers than there are descriptors in the receive ring. This
1110  * is because we don't know how long it will take for a packet
1111  * to be released after we hand it off to the upper protocol
1112  * layers. To be safe, we allocate 1.5 times the number of
1113  * receive descriptors.
1114  */
1115 #define SK_JUMBO_FRAMELEN	9018
1116 #define SK_JUMBO_MTU		(SK_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
1117 #define SK_JSLOTS		384
1118 
1119 #define SK_JRAWLEN	(SK_JUMBO_FRAMELEN + ETHER_ALIGN)
1120 #define SK_JLEN		SK_JRAWLEN
1121 #define SK_MCLBYTES	SK_JLEN
1122 #define SK_JPAGESZ	PAGE_SIZE
1123 #define SK_RESID	(SK_JPAGESZ - (SK_JLEN * SK_JSLOTS) % SK_JPAGESZ)
1124 #define SK_JMEM		((SK_JLEN * SK_JSLOTS) + SK_RESID)
1125 
1126 struct sk_jslot {
1127 	caddr_t			sk_buf;
1128 	int			sk_inuse;
1129 };
1130 
1131 struct sk_jpool_entry {
1132 	int                             slot;
1133 	LIST_ENTRY(sk_jpool_entry)	jpool_entries;
1134 };
1135 
1136 struct sk_chain {
1137 	void			*sk_desc;
1138 	struct mbuf		*sk_mbuf;
1139 	struct sk_chain		*sk_next;
1140 };
1141 
1142 /*
1143  * Number of DMA segments in a TxCB. Note that this is carefully
1144  * chosen to make the total struct size an even power of two. It's
1145  * critical that no TxCB be split across a page boundry since
1146  * no attempt is made to allocate physically contiguous memory.
1147  *
1148  */
1149 #define SK_NTXSEG      30
1150 
1151 struct sk_txmap_entry {
1152 	bus_dmamap_t			dmamap;
1153 	SLIST_ENTRY(sk_txmap_entry)	link;
1154 };
1155 
1156 struct sk_chain_data {
1157 	struct sk_chain		sk_tx_chain[SK_TX_RING_CNT];
1158 	struct sk_chain		sk_rx_chain[SK_RX_RING_CNT];
1159 	struct sk_txmap_entry	*sk_tx_map[SK_TX_RING_CNT];
1160 	bus_dmamap_t		sk_rx_map[SK_RX_RING_CNT];
1161 	int			sk_tx_prod;
1162 	int			sk_tx_cons;
1163 	int			sk_tx_cnt;
1164 	int			sk_rx_prod;
1165 	int			sk_rx_cons;
1166 	int			sk_rx_cnt;
1167 	/* Stick the jumbo mem management stuff here too. */
1168 	struct sk_jslot		sk_jslots[SK_JSLOTS];
1169 	void			*sk_jumbo_buf;
1170 
1171 };
1172 
1173 struct sk_ring_data {
1174 	struct sk_tx_desc	sk_tx_ring[SK_TX_RING_CNT];
1175 	struct sk_rx_desc	sk_rx_ring[SK_RX_RING_CNT];
1176 };
1177 
1178 #define SK_TX_RING_ADDR(sc, i) \
1179     ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
1180      offsetof(struct sk_ring_data, sk_tx_ring[(i)]))
1181 
1182 #define SK_RX_RING_ADDR(sc, i) \
1183     ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
1184      offsetof(struct sk_ring_data, sk_rx_ring[(i)]))
1185 
1186 struct sk_bcom_hack {
1187 	int			reg;
1188 	int			val;
1189 };
1190 
1191 #define SK_INC(x, y)	(x) = (x + 1) % y
1192 
1193 /* Forward decl. */
1194 struct sk_if_softc;
1195 
1196 /* Softc for the GEnesis controller. */
1197 struct sk_softc {
1198 	struct device		sk_dev;		/* generic device */
1199 	bus_space_handle_t	sk_bhandle;	/* bus space handle */
1200 	bus_space_tag_t		sk_btag;	/* bus space tag */
1201 	void			*sk_intrhand;	/* irq handler handle */
1202 	struct resource		*sk_irq;	/* IRQ resource handle */
1203 	struct resource		*sk_res;	/* I/O or shared mem handle */
1204 	u_int8_t		sk_type;
1205 	char			*sk_vpd_prodname;
1206 	char			*sk_vpd_readonly;
1207 	u_int32_t		sk_rboff;	/* RAMbuffer offset */
1208 	u_int32_t		sk_ramsize;	/* amount of RAM on NIC */
1209 	u_int32_t		sk_pmd;		/* physical media type */
1210 	u_int32_t		sk_intrmask;
1211 	bus_dma_tag_t		sc_dmatag;
1212 	struct sk_if_softc	*sk_if[2];
1213 };
1214 
1215 /* Softc for each logical interface */
1216 struct sk_if_softc {
1217 	struct device		sk_dev;		/* generic device */
1218 	struct arpcom		arpcom;		/* interface info */
1219 	struct mii_data		sk_mii;
1220 	u_int8_t		sk_port;	/* port # on controller */
1221 	u_int8_t		sk_xmac_rev;	/* XMAC chip rev (B2 or C1) */
1222 	u_int32_t		sk_rx_ramstart;
1223 	u_int32_t		sk_rx_ramend;
1224 	u_int32_t		sk_tx_ramstart;
1225 	u_int32_t		sk_tx_ramend;
1226 	int			sk_phytype;
1227 	int			sk_phyaddr;
1228 	int			sk_cnt;
1229 	int			sk_link;
1230 	struct timeout		sk_tick_ch;
1231 	struct sk_chain_data	sk_cdata;
1232 	struct sk_ring_data	*sk_rdata;
1233 	bus_dmamap_t		sk_ring_map;
1234 	struct sk_softc		*sk_softc;	/* parent controller */
1235 	int			sk_tx_bmu;	/* TX BMU register */
1236 	int			sk_if_flags;
1237 	LIST_HEAD(__sk_jfreehead, sk_jpool_entry)	sk_jfree_listhead;
1238 	LIST_HEAD(__sk_jinusehead, sk_jpool_entry)	sk_jinuse_listhead;
1239 	SLIST_HEAD(__sk_txmaphead, sk_txmap_entry)	sk_txmap_listhead;
1240 };
1241 
1242 struct skc_attach_args {
1243 	u_int16_t	skc_port;
1244 };
1245 
1246 #define SK_MAXUNIT	256
1247 #define SK_TIMEOUT	1000
1248 #define ETHER_ALIGN	2
1249