xref: /netbsd/sys/dev/ic/siopreg.h (revision c4a72b64)
1 /*	$NetBSD: siopreg.h,v 1.13 2002/08/29 16:43:23 bouyer Exp $	*/
2 
3 /*
4  * Copyright (c) 2000 Manuel Bouyer.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Manuel Bouyer.
17  * 4. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  */
32 
33 /*
34  * Devices definitions for Symbios/NCR M53c8xx PCI-SCSI I/O Processors
35  * Docs available from http://www.symbios.com/
36  */
37 
38 #define SIOP_SCNTL0 	0x00 /* SCSI control 0, R/W */
39 #define SCNTL0_ARB_MASK	0xc0
40 #define SCNTL0_SARB	0x00
41 #define SCNTL0_FARB	0xc0
42 #define SCNTL0_START	0x20
43 #define SCNTL0_WATM	0x10
44 #define SCNTL0_EPC	0x08
45 #define SCNTL0_AAP	0x02
46 #define SCNTL0_TRG	0x01
47 
48 #define SIOP_SCNTL1 	0x01 /* SCSI control 1, R/W */
49 #define SCNTL1_EXC	0x80
50 #define SCNTL1_ADB	0x40
51 #define SCNTL1_DHP	0x20
52 #define SCNTL1_CON	0x10
53 #define SCNTL1_RST	0x08
54 #define SCNTL1_AESP	0x04
55 #define SCNTL1_IARB	0x02
56 #define SCNTL1_SST	0x01
57 
58 #define SIOP_SCNTL2 	0x02 /* SCSI control 2, R/W */
59 #define SCNTL2_SDU	0x80
60 #define SCNTL2_CHM	0x40	/* 875 only */
61 #define SCNTL2_SLPMD	0x20	/* 875 only */
62 #define SCNTL2_SLPHBEN	0x10	/* 875 only */
63 #define SCNTL2_WSS	0x08	/* 875 only */
64 #define SCNTL2_VUE0	0x04	/* 875 only */
65 #define SCNTL2_VUE1	0x02	/* 875 only */
66 #define SCNTL2_WSR	0x01	/* 875 only */
67 
68 #define SIOP_SCNTL3 	0x03 /* SCSI control 3, R/W */
69 #define SCNTL3_ULTRA	0x80	/* 875 only */
70 #define SCNTL3_SCF_SHIFT 4
71 #define SCNTL3_SCF_MASK	0x70
72 #define SCNTL3_EWS	0x08	/* 875 only */
73 #define SCNTL3_CCF_SHIFT 0
74 #define SCNTL3_CCF_MASK	0x07
75 
76 /* periods for various SCF values, assume transfer period of 4 */
77 struct scf_period {
78 	int clock; /* clock period (ns * 10) */
79 	int period; /* scsi period, as set in the SDTR message */
80 	int scf; /* scf value to use */
81 };
82 
83 static const struct scf_period scf_period[] __attribute__((__unused__)) = {
84 	{250, 25, 1}, /* 10.0 Mhz */
85 	{250, 37, 2}, /* 6.67 Mhz */
86 	{250, 50, 3},  /* 5.00 Mhz */
87 	{250, 75, 4},  /* 3.33 Mhz */
88 	{125, 12, 1},  /* 20.0 Mhz */
89 	{125, 18, 2},  /* 13.3 Mhz */
90 	{125, 25, 3},  /* 10.0 Mhz */
91 	{125, 37, 4},  /* 6.67 Mhz */
92 	{125, 50, 5},  /* 5.0 Mhz */
93 	{ 62, 10, 1},  /* 40.0 Mhz */
94 	{ 62, 12, 3},  /* 20.0 Mhz */
95 	{ 62, 18, 4},  /* 13.3 Mhz */
96 	{ 62, 25, 5},  /* 10.0 Mhz */
97 };
98 
99 static const struct scf_period dt_scf_period[] __attribute__((__unused__)) = {
100 	{ 62,  9, 1},  /* 80.0 Mhz */
101 	{ 62, 10, 3},  /* 40.0 Mhz */
102 	{ 62, 12, 5},  /* 20.0 Mhz */
103 	{ 62, 18, 6},  /* 13.3 Mhz */
104 	{ 62, 25, 7},  /* 10.0 Mhz */
105 };
106 
107 #define SIOP_SCID	0x04 /* SCSI chip ID R/W */
108 #define SCID_RRE	0x40
109 #define SCID_SRE	0x20
110 #define SCID_ENCID_SHIFT 0
111 #define SCID_ENCID_MASK	0x07
112 
113 #define SIOP_SXFER	0x05 /* SCSI transfer, R/W */
114 #define SXFER_TP_SHIFT	 5
115 #define SXFER_TP_MASK	0xe0
116 #define SXFER_MO_SHIFT  0
117 #define SXFER_MO_MASK  0x3f
118 
119 #define SIOP_SDID	0x06 /* SCSI destiation ID, R/W */
120 #define SDID_ENCID_SHIFT 0
121 #define SDID_ENCID_MASK	0x07
122 
123 #define SIOP_GPREG	0x07 /* General purpose, R/W */
124 #define GPREG_GPIO4	0x10	/* 875 only */
125 #define GPREG_GPIO3	0x08	/* 875 only */
126 #define GPREG_GPIO2	0x04	/* 875 only */
127 #define GPREG_GPIO1	0x02
128 #define GPREG_GPIO0	0x01
129 
130 #define SIOP_SFBR	0x08 /* SCSI first byte received, R/W */
131 
132 #define SIOP_SOCL	0x09 /* SCSI output control latch, RW */
133 
134 #define SIOP_SSID	0x0A /* SCSI selector ID, RO */
135 #define SSID_VAL	0x80
136 #define SSID_ENCID_SHIFT 0
137 #define SSID_ENCID_MASK 0x0f
138 
139 #define SIOP_SBCL	0x0B /* SCSI control line, RO */
140 
141 #define SIOP_DSTAT	0x0C /* DMA status, RO */
142 #define DSTAT_DFE	0x80
143 #define DSTAT_MDPE	0x40
144 #define DSTAT_BF	0x20
145 #define DSTAT_ABRT	0x10
146 #define DSTAT_SSI	0x08
147 #define DSTAT_SIR	0x04
148 #define DSTAT_IID	0x01
149 
150 #define SIOP_SSTAT0	0x0D /* STSI status 0, RO */
151 #define SSTAT0_ILF	0x80
152 #define SSTAT0_ORF	0x40
153 #define SSTAT0_OLF	0x20
154 #define SSTAT0_AIP	0x10
155 #define SSTAT0_LOA	0x08
156 #define SSTAT0_WOA	0x04
157 #define SSTAT0_RST	0x02
158 #define SSTAT0_SDP	0x01
159 
160 #define SIOP_SSTAT1	0x0E /* STSI status 1, RO */
161 #define SSTAT1_FFO_SHIFT 4
162 #define SSTAT1_FFO_MASK 0x80
163 #define SSTAT1_SDPL	0x08
164 #define SSTAT1_MSG	0x04
165 #define SSTAT1_CD	0x02
166 #define SSTAT1_IO	0x01
167 #define SSTAT1_PHASE_MASK (SSTAT1_IO | SSTAT1_CD | SSTAT1_MSG)
168 #define SSTAT1_PHASE_DATAOUT	0
169 #define SSTAT1_PHASE_DATAIN	SSTAT1_IO
170 #define SSTAT1_PHASE_CMD	SSTAT1_CD
171 #define SSTAT1_PHASE_STATUS	(SSTAT1_CD | SSTAT1_IO)
172 #define SSTAT1_PHASE_MSGOUT	(SSTAT1_MSG | SSTAT1_CD)
173 #define SSTAT1_PHASE_MSGIN	(SSTAT1_MSG | SSTAT1_CD | SSTAT1_IO)
174 
175 #define SIOP_SSTAT2	0x0F /* STSI status 2, RO */
176 #define SSTAT2_ILF1	0x80	/* 875 only */
177 #define SSTAT2_ORF1	0x40	/* 875 only */
178 #define SSTAT2_OLF1	0x20	/* 875 only */
179 #define SSTAT2_FF4	0x10	/* 875 only */
180 #define SSTAT2_SPL1	0x08	/* 875 only */
181 #define SSTAT2_DF	0x04	/* 875 only */
182 #define SSTAT2_LDSC	0x02
183 #define SSTAT2_SDP1	0x01	/* 875 only */
184 
185 #define SIOP_DSA	0x10 /* data struct addr, R/W */
186 
187 #define SIOP_ISTAT	0x14 /* IRQ status, R/W */
188 #define ISTAT_ABRT	0x80
189 #define ISTAT_SRST	0x40
190 #define ISTAT_SIGP	0x20
191 #define ISTAT_SEM	0x10
192 #define ISTAT_CON	0x08
193 #define ISTAT_INTF	0x04
194 #define ISTAT_SIP	0x02
195 #define ISTAT_DIP	0x01
196 
197 #define SIOP_CTEST0	0x18 /* Chip test 0, R/W */
198 
199 #define SIOP_CTEST1	0x19 /* Chip test 1, R/W */
200 
201 #define SIOP_CTEST2	0x1A /* Chip test 2, R/W */
202 #define CTEST2_SRTCH	0x04	/* 875 only */
203 
204 #define SIOP_CTEST3	0x1B /* Chip test 3, R/W */
205 #define CTEST3_FLF	0x08
206 #define CTEST3_CLF	0x04
207 #define CTEST3_FM	0x02
208 #define CTEST3_WRIE	0x01
209 
210 #define SIOP_TEMP	0x1C /* Temp register (used by CALL/RET), R/W */
211 
212 #define SIOP_DFIFO	0x20 /* DMA FIFO */
213 
214 #define SIOP_CTEST4	0x21 /* Chip test 4, R/W */
215 #define CTEST4_BDIS	0x80
216 #define CTEST_ZMOD	0x40
217 #define CTEST_ZSD	0x20
218 #define CTEST_SRTM	0x10
219 #define CTEST_MPEE	0x08
220 
221 #define SIOP_CTEST5	0x22 /* Chip test 5, R/W */
222 #define CTEST5_ADCK	0x80
223 #define CTEST5_BBCK	0x40
224 #define CTEST5_DFS	0x20
225 #define CTEST5_MASR	0x10
226 #define CTEST5_DDIR	0x08
227 #define CTEST5_BOMASK	0x03
228 
229 #define SIOP_CTEST6	0x23 /* Chip test 6, R/W */
230 
231 #define SIOP_DBC	0x24 /* DMA byte counter, R/W */
232 
233 #define SIOP_DCMD	0x27 /* DMA command, R/W */
234 
235 #define SIOP_DNAD	0x28 /* DMA next addr, R/W */
236 
237 #define SIOP_DSP	0x2C /* DMA scripts pointer, R/W */
238 
239 #define SIOP_DSPS	0x30 /* DMA scripts pointer save, R/W */
240 
241 #define SIOP_SCRATCHA	0x34 /* scratch register A. R/W */
242 
243 #define SIOP_DMODE	0x38 /* DMA mode, R/W */
244 #define DMODE_BL_SHIFT   6
245 #define DMODE_BL_MASK	0xC0
246 #define DMODE_SIOM	0x20
247 #define DMODE_DIOM	0x10
248 #define DMODE_ERL	0x08
249 #define DMODE_ERMP	0x04
250 #define DMODE_BOF	0x02
251 #define DMODE_MAN	0x01
252 
253 #define SIOP_DIEN	0x39 /* DMA interrupt enable, R/W */
254 #define DIEN_MDPE	0x40
255 #define DIEN_BF		0x20
256 #define DIEN_AVRT	0x10
257 #define DIEN_SSI	0x08
258 #define DIEN_SIR	0x04
259 #define DIEN_IID	0x01
260 
261 #define SIOP_SBR	0x3A /* scratch byte register, R/W */
262 
263 #define SIOP_DCNTL	0x3B /* DMA control, R/W */
264 #define DCNTL_CLSE	0x80
265 #define DCNTL_PFF	0x40
266 #define DCNTL_PFEN	0x20
267 #define DCNTL_SSM	0x10
268 #define DCNTL_IRQM	0x08
269 #define DCNTL_STD	0x04
270 #define DCNTL_IRQD	0x02
271 #define DCNTL_COM	0x01
272 
273 #define SIOP_ADDER	0x3C /* adder output sum, RO */
274 
275 #define SIOP_SIEN0	0x40 /* SCSI interrupt enable 0, R/W */
276 #define SIEN0_MA	0x80
277 #define SIEN0_CMP	0x40
278 #define SIEN0_SEL	0x20
279 #define SIEN0_RSL	0x10
280 #define SIEN0_SGE	0x08
281 #define SIEN0_UDC	0x04
282 #define SIEN0_SRT	0x02
283 #define SIEN0_PAR	0x01
284 
285 #define SIOP_SIEN1	0x41 /* SCSI interrupt enable 1, R/W */
286 #define SIEN1_SBMC	0x10 /* 895 only */
287 #define SIEN1_STO	0x04
288 #define SIEN1_GEN	0x02
289 #define SIEN1_HTH	0x01
290 
291 #define SIOP_SIST0	0x42 /* SCSI interrupt status 0, RO */
292 #define SIST0_MA	0x80
293 #define SIST0_CMP	0x40
294 #define SIST0_SEL	0x20
295 #define SIST0_RSL	0x10
296 #define SIST0_SGE	0x08
297 #define SIST0_UDC	0x04
298 #define SIST0_RST	0x02
299 #define SIST0_PAR	0x01
300 
301 #define SIOP_SIST1	0x43 /* SCSI interrut status 1, RO */
302 #define SIST1_SBMC	0x10 /* 895 only */
303 #define SIST1_STO	0x04
304 #define SIST1_GEN	0x02
305 #define SIST1_HTH	0x01
306 
307 #define SIOP_SLPAR	0x44 /* scsi longitudinal parity, R/W */
308 
309 #define SIOP_SWIDE	0x45 /* scsi wide residue, RW, 875 only */
310 
311 #define SIOP_MACNTL	0x46 /* memory access control, R/W */
312 
313 #define SIOP_GPCNTL	0x47 /* General Purpose Pin control, R/W */
314 #define GPCNTL_ME	0x80	/* 875 only */
315 #define GPCNTL_FE	0x40	/* 875 only */
316 #define GPCNTL_IN4	0x10	/* 875 only */
317 #define GPCNTL_IN3	0x08	/* 875 only */
318 #define GPCNTL_IN2	0x04	/* 875 only */
319 #define GPCNTL_IN1	0x02
320 #define GPCNTL_IN0	0x01
321 
322 #define SIOP_STIME0	0x48 /* SCSI timer 0, R/W */
323 #define STIME0_HTH_SHIFT 4
324 #define STIME0_HTH_MASK	0xf0
325 #define STIME0_SEL_SHIFT 0
326 #define STIME0_SEL_MASK	0x0f
327 
328 #define SIOP_STIME1	0x49 /* SCSI timer 1, R/W */
329 #define STIME1_HTHBA	0x40	/* 875 only */
330 #define STIME1_GENSF	0x20	/* 875 only */
331 #define STIME1_HTHSF	0x10	/* 875 only */
332 #define STIME1_GEN_SHIFT 0
333 #define STIME1_GEN_MASK	0x0f
334 
335 #define SIOP_RESPID0	0x4A /* response ID, R/W */
336 
337 #define SIOP_RESPID1	0x4B /* response ID, R/W, 875-only */
338 
339 #define SIOP_STEST0	0x4C /* SCSI test 0, RO */
340 
341 #define SIOP_STEST1	0x4D /* SCSI test 1, RO, RW on 875 */
342 #define STEST1_DOGE	0x20	/* 1010 only */
343 #define STEST1_DIGE	0x10	/* 1010 only */
344 #define STEST1_DBLEN	0x08	/* 875-only */
345 #define STEST1_DBLSEL	0x04	/* 875-only */
346 
347 #define SIOP_STEST2	0x4E /* SCSI test 2, RO, R/W on 875 */
348 #define STEST2_DIF	0x20	/* 875 only */
349 #define STEST2_EXT	0x02
350 
351 #define SIOP_STEST3	0x4F /* SCSI test 3, RO, RW on 875 */
352 #define STEST3_TE	0x80
353 #define STEST3_HSC	0x20
354 
355 #define SIOP_STEST4	0x52 /* SCSI test 4, 895 only */
356 #define STEST4_MODE_MASK 0xc0
357 #define STEST4_MODE_DIF	0x40
358 #define STEST4_MODE_SE	0x80
359 #define STEST4_MODE_LVD	0xc0
360 #define STEST4_LOCK	0x20
361 #define STEST4_
362 
363 #define SIOP_SIDL	0x50 /* SCSI input data latch, RO */
364 
365 #define SIOP_SODL	0x54 /* SCSI output data latch, R/W */
366 
367 #define SIOP_SBDL	0x58 /* SCSI bus data lines, RO */
368 
369 #define SIOP_SCRATCHB	0x5C /* Scratch register B, R/W */
370 
371 #define SIOP_SCRATCHC	0x60 /* Scratch register C, R/W, 875 only */
372 
373 #define SIOP_SCRATCHD	0x64 /* Scratch register D, R/W, 875-only */
374 
375 #define SIOP_SCRATCHE	0x68 /* Scratch register E, R/W, 875-only */
376 
377 #define SIOP_SCRATCHF	0x6c /* Scratch register F, R/W, 875-only */
378 
379 #define SIOP_SCRATCHG	0x70 /* Scratch register G, R/W, 875-only */
380 
381 #define SIOP_SCRATCHH	0x74 /* Scratch register H, R/W, 875-only */
382 
383 #define SIOP_SCRATCHI	0x78 /* Scratch register I, R/W, 875-only */
384 
385 #define SIOP_SCRATCHJ	0x7c /* Scratch register J, R/W, 875-only */
386 
387 #define SIOP_SCNTL4	0xBC /* SCSI control 4, R/W, 1010-only */
388 #define SCNTL4_XCLKS_ST	0x01
389 #define SCNTL4_XCLKS_DT	0x02
390 #define SCNTL4_XCLKH_ST	0x04
391 #define SCNTL4_XCLKH_DT	0x08
392 #define SCNTL4_AIPEN	0x40
393 #define SCNTL4_U3EN	0x80
394 
395 #define SIOP_DFBC	0xf0 /* DMA fifo byte count, RO */
396 
397 #define SIOP_AIPCNTL0	0xbe	/* AIP Control 0, 1010-only */
398 #define AIPCNTL0_ERRLIVE 0x04	/* AIP error status, live */
399 #define AIPCNTL0_ERR	0x02	/* AIP error status, latched */
400 #define AIPCNTL0_PARITYERRs 0x01 /* Parity error */
401 
402 #define SIOP_AIPCNTL1	0xbf	/* AIP Control 1, 1010-only */
403 #define AIPCNTL1_DIS	0x08	/* disable AIP generation, 1010-66 only */
404 #define AIPCNTL1_RSETERR 0x04	/* reset AIP error 1010-66 only */
405 #define AIPCNTL1_FB	0x02	/* force bad AIP value 1010-66 only */
406 #define AIPCNTL1_RSET	0x01	/* reset AIP sequence value 1010-66 only */
407 
408 /*
409  * Non-volatile configuration settings stored in the EEPROM.  There
410  * are at least two known formats: Symbios Logic format and Tekram format.
411  */
412 
413 #define	SIOP_NVRAM_SYM_SIZE		368
414 #define	SIOP_NVRAM_SYM_ADDRESS		0x100
415 
416 struct nvram_symbios {
417 	/* Header (6 bytes) */
418 	u_int16_t	type;		/* 0x0000 */
419 	u_int16_t	byte_count;	/* excluding header/trailer */
420 	u_int16_t	checksum;
421 
422 	/* Adapter configuration (20 bytes) */
423 	u_int8_t	v_major;
424 	u_int8_t	v_minor;
425 	u_int32_t	boot_crc;
426 	u_int16_t	flags;
427 #define	NVRAM_SYM_F_SCAM_ENABLE		0x0001
428 #define	NVRAM_SYM_F_PARITY_ENABLE	0x0002
429 #define	NVRAM_SYM_F_VERBOSE_MESSAGES	0x0004
430 #define	NVRAM_SYM_F_CHS_MAPPING		0x0008
431 	u_int16_t	flags1;
432 #define	NVRAM_SYM_F1_SCAN_HI_LO		0x0001
433 	u_int16_t	term_state;
434 #define	NVRAM_SYM_TERM_CANT_PROGRAM	0
435 #define	NVRAM_SYM_TERM_ENABLED		1
436 #define	NVRAM_SYM_TERM_DISABLED		2
437 	u_int16_t	rmvbl_flags;
438 #define	NVRAM_SYM_RMVBL_NO_SUPPORT	0
439 #define	NVRAM_SYM_RMVBL_BOOT_DEVICE	1
440 #define	NVRAM_SYM_RMVBL_MEDIA_INSTALLED	2
441 	u_int8_t	host_id;
442 	u_int8_t	num_hba;
443 	u_int8_t	num_devices;
444 	u_int8_t	max_scam_devices;
445 	u_int8_t	num_valid_scam_devices;
446 	u_int8_t	rsvd;
447 
448 	/* Boot order (14 bytes x 4) */
449 	struct nvram_symbios_host {
450 		u_int16_t	type;		/* 4 - 8xx */
451 		u_int16_t	device_id;	/* PCI device ID */
452 		u_int16_t	vendor_id;	/* PCI vendor ID */
453 		u_int8_t	bus_nr;		/* PCI bus number */
454 		u_int8_t	device_fn;	/* PCI device/func # << 3 */
455 		u_int16_t	word8;
456 		u_int16_t	flags;
457 #define	NVRAM_SYM_HOST_F_SCAN_AT_BOOT	0x0001
458 		u_int16_t	io_port;	/* PCI I/O address */
459 	} __attribute__((__packed__)) host[4];
460 
461 	/* Targets (8 bytes x 16) */
462 	struct nvram_symbios_target {
463 		u_int8_t	flags;
464 #define	NVRAM_SYM_TARG_F_DISCONNECT_EN	0x0001
465 #define	NVRAM_SYM_TARG_F_SCAN_AT_BOOT	0x0002
466 #define	NVRAM_SYM_TARG_F_SCAN_LUNS	0x0004
467 #define	NVRAM_SYM_TARG_F_TQ_EN		0x0008
468 		u_int8_t	rsvd;
469 		u_int8_t	bus_width;
470 		u_int8_t	sync_offset;	/* 8, 16, etc. */
471 		u_int16_t	sync_period;	/* 4 * factor */
472 		u_int16_t	timeout;
473 	} __attribute__((__packed__)) target[16];
474 
475 	/* SCAM table (8 bytes x 4) */
476 	struct nvram_symbios_scam {
477 		u_int16_t	id;
478 		u_int16_t	method;
479 #define	NVRAM_SYM_SCAM_DEFAULT_METHOD	0
480 #define	NVRAM_SYM_SCAM_DONT_ASSIGN	1
481 #define	NVRAM_SYM_SCAM_SET_SPECIFIC_ID	2
482 #define	NVRAM_SYM_SCAM_USE_ORDER_GIVEN	3
483 		u_int16_t	status;
484 #define	NVRAM_SYM_SCAM_UNKNOWN		0
485 #define	NVRAM_SYM_SCAM_DEVICE_NOT_FOUND	1
486 #define	NVRAM_SYM_SCAM_ID_NOT_SET	2
487 #define	NVRAM_SYM_SCAM_ID_VALID		3
488 		u_int8_t		target_id;
489 		u_int8_t		rsvd;
490 	} __attribute__((__packed__)) scam[4];
491 
492 	u_int8_t	spare_devices[15 * 8];
493 	u_int8_t	trailer[6];	/* 0xfe 0xfe 0x00 0x00 0x00 0x00 */
494 } __attribute__((__packed__));
495 
496 #define	SIOP_NVRAM_TEK_SIZE		64
497 #define	SIOP_NVRAM_TEK_93c46_ADDRESS	0
498 #define	SIOP_NVRAM_TEK_24c16_ADDRESS	0x40
499 
500 static const u_int8_t tekram_sync_table[16] __attribute__((__unused__)) = {
501 	25, 31, 37,  43,
502 	50, 62, 75, 125,
503 	12, 15, 18,  21,
504 	 6,  7,  9,  10,
505 };
506 
507 struct nvram_tekram {
508 	struct nvram_tekram_target {
509 		u_int8_t	flags;
510 #define	NVRAM_TEK_TARG_F_PARITY_CHECK	0x01
511 #define	NVRAM_TEK_TARG_F_SYNC_NEGO	0x02
512 #define	NVRAM_TEK_TARG_F_DISCONNECT_EN	0x04
513 #define	NVRAM_TEK_TARG_F_START_CMD	0x08
514 #define	NVRAM_TEK_TARG_F_TQ_EN		0x10
515 #define	NVRAM_TEK_TARG_F_WIDE_NEGO	0x20
516 		u_int8_t	sync_index;
517 		u_int16_t	word2;
518 	} __attribute__((__packed__)) target[16];
519 	u_int8_t	host_id;
520 	u_int8_t	flags;
521 #define	NVRAM_TEK_F_MORE_THAN_2_DRIVES	0x01
522 #define	NVRAM_TEK_F_DRIVES_SUP_1G	0x02
523 #define	NVRAM_TEK_F_RESET_ON_POWER_ON	0x04
524 #define	NVRAM_TEK_F_ACTIVE_NEGATION	0x08
525 #define	NVRAM_TEK_F_IMMEDIATE_SEEK	0x10
526 #define	NVRAM_TEK_F_SCAN_LUNS		0x20
527 #define	NVRAM_TEK_F_REMOVABLE_FLAGS	0xc0	/* 0 dis, 1 boot, 2 all */
528 	u_int8_t	boot_delay_index;
529 	u_int8_t	max_tags_index;
530 	u_int16_t	flags1;
531 #define	NVRAM_TEK_F_F2_F6_ENABLED	0x0001
532 	u_int16_t	spare[29];
533 } __attribute__((__packed__));
534