root/dev/ic/siopreg.h

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    1 /*      $OpenBSD: siopreg.h,v 1.11 2007/08/05 19:05:09 kettenis Exp $ */
    2 /*      $NetBSD: siopreg.h,v 1.16 2005/02/27 00:27:02 perry Exp $       */
    3 
    4 /*
    5  * Copyright (c) 2000 Manuel Bouyer.
    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 Manuel Bouyer.
   18  * 4. The name of the author may not be used to endorse or promote products
   19  *    derived from this software without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   31  *
   32  */
   33 
   34 /*
   35  * Devices definitions for Symbios/NCR M53c8xx PCI-SCSI I/O Processors
   36  * Docs available from http://www.symbios.com/
   37  */
   38 
   39 #define SIOP_SCNTL0     0x00 /* SCSI control 0, R/W */
   40 #define SCNTL0_ARB_MASK 0xc0
   41 #define SCNTL0_SARB     0x00
   42 #define SCNTL0_FARB     0xc0
   43 #define SCNTL0_START    0x20
   44 #define SCNTL0_WATM     0x10
   45 #define SCNTL0_EPC      0x08
   46 #define SCNTL0_AAP      0x02
   47 #define SCNTL0_TRG      0x01
   48 
   49 #define SIOP_SCNTL1     0x01 /* SCSI control 1, R/W */
   50 #define SCNTL1_EXC      0x80
   51 #define SCNTL1_ADB      0x40
   52 #define SCNTL1_DHP      0x20
   53 #define SCNTL1_CON      0x10
   54 #define SCNTL1_RST      0x08
   55 #define SCNTL1_AESP     0x04
   56 #define SCNTL1_IARB     0x02
   57 #define SCNTL1_SST      0x01
   58 
   59 #define SIOP_SCNTL2     0x02 /* SCSI control 2, R/W */
   60 #define SCNTL2_SDU      0x80
   61 #define SCNTL2_CHM      0x40    /* 875 only */
   62 #define SCNTL2_SLPMD    0x20    /* 875 only */
   63 #define SCNTL2_SLPHBEN  0x10    /* 875 only */
   64 #define SCNTL2_WSS      0x08    /* 875 only */
   65 #define SCNTL2_VUE0     0x04    /* 875 only */
   66 #define SCNTL2_VUE1     0x02    /* 875 only */
   67 #define SCNTL2_WSR      0x01    /* 875 only */
   68 
   69 #define SIOP_SCNTL3     0x03 /* SCSI control 3, R/W */
   70 #define SCNTL3_ULTRA    0x80    /* 875 only */
   71 #define SCNTL3_SCF_SHIFT 4
   72 #define SCNTL3_SCF_MASK 0x70
   73 #define SCNTL3_EWS      0x08    /* 875 only */
   74 #define SCNTL3_CCF_SHIFT 0
   75 #define SCNTL3_CCF_MASK 0x07
   76 
   77 /* periods for various SCF values, assume transfer period of 4 */
   78 struct scf_period {
   79         int clock; /* clock period (ns * 10) */
   80         int period; /* scsi period, as set in the SDTR message */
   81         int scf; /* scf value to use */
   82 };
   83 
   84 #ifdef SIOP_NEEDS_PERIOD_TABLES
   85 static const struct scf_period scf_period[] = {
   86         {250, 25, 1}, /* 10.0 MHz */
   87         {250, 37, 2}, /* 6.67 MHz */
   88         {250, 50, 3},  /* 5.00 MHz */
   89         {250, 75, 4},  /* 3.33 MHz */
   90         {125, 12, 1},  /* 20.0 MHz */
   91         {125, 18, 2},  /* 13.3 MHz */
   92         {125, 25, 3},  /* 10.0 MHz */
   93         {125, 37, 4},  /* 6.67 MHz */
   94         {125, 50, 5},  /* 5.0 MHz */
   95         { 62, 10, 1},  /* 40.0 MHz */
   96         { 62, 12, 3},  /* 20.0 MHz */
   97         { 62, 18, 4},  /* 13.3 MHz */
   98         { 62, 25, 5},  /* 10.0 MHz */
   99 };
  100 
  101 static const struct scf_period dt_scf_period[] = {
  102         { 62,  9, 1},  /* 80.0 MHz */
  103         { 62, 10, 3},  /* 40.0 MHz */
  104         { 62, 12, 5},  /* 20.0 MHz */
  105         { 62, 18, 6},  /* 13.3 MHz */
  106         { 62, 25, 7},  /* 10.0 MHz */
  107 };
  108 #endif
  109 
  110 #define SIOP_SCID       0x04 /* SCSI chip ID R/W */
  111 #define SCID_RRE        0x40
  112 #define SCID_SRE        0x20
  113 #define SCID_ENCID_SHIFT 0
  114 #define SCID_ENCID_MASK 0x07
  115 
  116 #define SIOP_SXFER      0x05 /* SCSI transfer, R/W */
  117 #define SXFER_TP_SHIFT   5
  118 #define SXFER_TP_MASK   0xe0
  119 #define SXFER_MO_SHIFT  0
  120 #define SXFER_MO_MASK  0x3f
  121 
  122 #define SIOP_SDID       0x06 /* SCSI destination ID, R/W */
  123 #define SDID_ENCID_SHIFT 0
  124 #define SDID_ENCID_MASK 0x07
  125 
  126 #define SIOP_GPREG      0x07 /* General purpose, R/W */
  127 #define GPREG_GPIO4     0x10    /* 875 only */
  128 #define GPREG_GPIO3     0x08    /* 875 only */
  129 #define GPREG_GPIO2     0x04    /* 875 only */
  130 #define GPREG_GPIO1     0x02
  131 #define GPREG_GPIO0     0x01
  132 
  133 #define SIOP_SFBR       0x08 /* SCSI first byte received, R/W */
  134 
  135 #define SIOP_SOCL       0x09 /* SCSI output control latch, RW */
  136 
  137 #define SIOP_SSID       0x0A /* SCSI selector ID, RO */
  138 #define SSID_VAL        0x80
  139 #define SSID_ENCID_SHIFT 0
  140 #define SSID_ENCID_MASK 0x0f
  141 
  142 #define SIOP_SBCL       0x0B /* SCSI control line, RO */
  143 
  144 #define SIOP_DSTAT      0x0C /* DMA status, RO */
  145 #define DSTAT_DFE       0x80
  146 #define DSTAT_MDPE      0x40
  147 #define DSTAT_BF        0x20
  148 #define DSTAT_ABRT      0x10
  149 #define DSTAT_SSI       0x08
  150 #define DSTAT_SIR       0x04
  151 #define DSTAT_IID       0x01
  152 
  153 #define SIOP_SSTAT0     0x0D /* STSI status 0, RO */
  154 #define SSTAT0_ILF      0x80
  155 #define SSTAT0_ORF      0x40
  156 #define SSTAT0_OLF      0x20
  157 #define SSTAT0_AIP      0x10
  158 #define SSTAT0_LOA      0x08
  159 #define SSTAT0_WOA      0x04
  160 #define SSTAT0_RST      0x02
  161 #define SSTAT0_SDP      0x01
  162 
  163 #define SIOP_SSTAT1     0x0E /* STSI status 1, RO */
  164 #define SSTAT1_FFO_SHIFT 4
  165 #define SSTAT1_FFO_MASK 0x80
  166 #define SSTAT1_SDPL     0x08
  167 #define SSTAT1_MSG      0x04
  168 #define SSTAT1_CD       0x02
  169 #define SSTAT1_IO       0x01
  170 #define SSTAT1_PHASE_MASK (SSTAT1_IO | SSTAT1_CD | SSTAT1_MSG)
  171 #define SSTAT1_PHASE_DATAOUT    0
  172 #define SSTAT1_PHASE_DATAIN     SSTAT1_IO
  173 #define SSTAT1_PHASE_CMD        SSTAT1_CD
  174 #define SSTAT1_PHASE_STATUS     (SSTAT1_CD | SSTAT1_IO)
  175 #define SSTAT1_PHASE_MSGOUT     (SSTAT1_MSG | SSTAT1_CD)
  176 #define SSTAT1_PHASE_MSGIN      (SSTAT1_MSG | SSTAT1_CD | SSTAT1_IO)
  177 
  178 #define SIOP_SSTAT2     0x0F /* STSI status 2, RO */
  179 #define SSTAT2_ILF1     0x80    /* 875 only */
  180 #define SSTAT2_ORF1     0x40    /* 875 only */
  181 #define SSTAT2_OLF1     0x20    /* 875 only */
  182 #define SSTAT2_FF4      0x10    /* 875 only */
  183 #define SSTAT2_SPL1     0x08    /* 875 only */
  184 #define SSTAT2_DF       0x04    /* 875 only */
  185 #define SSTAT2_LDSC     0x02
  186 #define SSTAT2_SDP1     0x01    /* 875 only */
  187 
  188 #define SIOP_DSA        0x10 /* data struct addr, R/W */
  189 
  190 #define SIOP_ISTAT      0x14 /* IRQ status, R/W */
  191 #define ISTAT_ABRT      0x80
  192 #define ISTAT_SRST      0x40
  193 #define ISTAT_SIGP      0x20
  194 #define ISTAT_SEM       0x10
  195 #define ISTAT_CON       0x08
  196 #define ISTAT_INTF      0x04
  197 #define ISTAT_SIP       0x02
  198 #define ISTAT_DIP       0x01
  199 
  200 #define SIOP_CTEST0     0x18 /* Chip test 0, R/W */
  201 #define CTEST0_EHP      0x04    /* 720/770 */
  202 
  203 #define SIOP_CTEST1     0x19 /* Chip test 1, R/W */
  204 
  205 #define SIOP_CTEST2     0x1A /* Chip test 2, R/W */
  206 #define CTEST2_SRTCH    0x04    /* 875 only */
  207 
  208 #define SIOP_CTEST3     0x1B /* Chip test 3, R/W */
  209 #define CTEST3_FLF      0x08
  210 #define CTEST3_CLF      0x04
  211 #define CTEST3_FM       0x02
  212 #define CTEST3_WRIE     0x01
  213 
  214 #define SIOP_TEMP       0x1C /* Temp register (used by CALL/RET), R/W */
  215 
  216 #define SIOP_DFIFO      0x20 /* DMA FIFO */
  217 
  218 #define SIOP_CTEST4     0x21 /* Chip test 4, R/W */
  219 #define CTEST4_MUX      0x80    /* 720/770 */
  220 #define CTEST4_BDIS     0x80
  221 #define CTEST_ZMOD      0x40
  222 #define CTEST_ZSD       0x20
  223 #define CTEST_SRTM      0x10
  224 #define CTEST_MPEE      0x08
  225 
  226 #define SIOP_CTEST5     0x22 /* Chip test 5, R/W */
  227 #define CTEST5_ADCK     0x80
  228 #define CTEST5_BBCK     0x40
  229 #define CTEST5_DFS      0x20
  230 #define CTEST5_MASR     0x10
  231 #define CTEST5_DDIR     0x08
  232 #define CTEST5_BOMASK   0x03
  233 
  234 #define SIOP_CTEST6     0x23 /* Chip test 6, R/W */
  235 
  236 #define SIOP_DBC        0x24 /* DMA byte counter, R/W */
  237 
  238 #define SIOP_DCMD       0x27 /* DMA command, R/W */
  239 
  240 #define SIOP_DNAD       0x28 /* DMA next addr, R/W */
  241 
  242 #define SIOP_DSP        0x2C /* DMA scripts pointer, R/W */
  243 
  244 #define SIOP_DSPS       0x30 /* DMA scripts pointer save, R/W */
  245 
  246 #define SIOP_SCRATCHA   0x34 /* scratch register A. R/W */
  247 
  248 #define SIOP_DMODE      0x38 /* DMA mode, R/W */
  249 #define DMODE_BL_SHIFT   6
  250 #define DMODE_BL_MASK   0xC0
  251 #define DMODE_SIOM      0x20
  252 #define DMODE_DIOM      0x10
  253 #define DMODE_ERL       0x08
  254 #define DMODE_ERMP      0x04
  255 #define DMODE_BOF       0x02
  256 #define DMODE_MAN       0x01
  257 
  258 #define SIOP_DIEN       0x39 /* DMA interrupt enable, R/W */
  259 #define DIEN_MDPE       0x40
  260 #define DIEN_BF         0x20
  261 #define DIEN_AVRT       0x10
  262 #define DIEN_SSI        0x08
  263 #define DIEN_SIR        0x04
  264 #define DIEN_IID        0x01
  265 
  266 #define SIOP_SBR        0x3A /* scratch byte register, R/W */
  267 
  268 #define SIOP_DCNTL      0x3B /* DMA control, R/W */
  269 #define DCNTL_CLSE      0x80
  270 #define DCNTL_PFF       0x40
  271 #define DCNTL_EA        0x20    /* 720/770 */
  272 #define DCNTL_PFEN      0x20    /* 8xx */
  273 #define DCNTL_SSM       0x10
  274 #define DCNTL_IRQM      0x08
  275 #define DCNTL_STD       0x04
  276 #define DCNTL_IRQD      0x02
  277 #define DCNTL_COM       0x01
  278 
  279 #define SIOP_ADDER      0x3C /* adder output sum, RO */
  280 
  281 #define SIOP_SIEN0      0x40 /* SCSI interrupt enable 0, R/W */
  282 #define SIEN0_MA        0x80
  283 #define SIEN0_CMP       0x40
  284 #define SIEN0_SEL       0x20
  285 #define SIEN0_RSL       0x10
  286 #define SIEN0_SGE       0x08
  287 #define SIEN0_UDC       0x04
  288 #define SIEN0_SRT       0x02
  289 #define SIEN0_PAR       0x01
  290 
  291 #define SIOP_SIEN1      0x41 /* SCSI interrupt enable 1, R/W */
  292 #define SIEN1_SBMC      0x10 /* 895 only */
  293 #define SIEN1_STO       0x04
  294 #define SIEN1_GEN       0x02
  295 #define SIEN1_HTH       0x01
  296 
  297 #define SIOP_SIST0      0x42 /* SCSI interrupt status 0, RO */
  298 #define SIST0_MA        0x80
  299 #define SIST0_CMP       0x40
  300 #define SIST0_SEL       0x20
  301 #define SIST0_RSL       0x10
  302 #define SIST0_SGE       0x08
  303 #define SIST0_UDC       0x04
  304 #define SIST0_RST       0x02
  305 #define SIST0_PAR       0x01
  306 
  307 #define SIOP_SIST1      0x43 /* SCSI interrupt status 1, RO */
  308 #define SIST1_SBMC      0x10 /* 895 only */
  309 #define SIST1_STO       0x04
  310 #define SIST1_GEN       0x02
  311 #define SIST1_HTH       0x01
  312 
  313 #define SIOP_SLPAR      0x44 /* scsi longitudinal parity, R/W */
  314 
  315 #define SIOP_SWIDE      0x45 /* scsi wide residue, RW, 875 only */
  316 
  317 #define SIOP_MACNTL     0x46 /* memory access control, R/W */
  318 
  319 #define SIOP_GPCNTL     0x47 /* General Purpose Pin control, R/W */
  320 #define GPCNTL_ME       0x80    /* 875 only */
  321 #define GPCNTL_FE       0x40    /* 875 only */
  322 #define GPCNTL_IN4      0x10    /* 875 only */
  323 #define GPCNTL_IN3      0x08    /* 875 only */
  324 #define GPCNTL_IN2      0x04    /* 875 only */
  325 #define GPCNTL_IN1      0x02
  326 #define GPCNTL_IN0      0x01
  327 
  328 #define SIOP_STIME0     0x48 /* SCSI timer 0, R/W */
  329 #define STIME0_HTH_SHIFT 4
  330 #define STIME0_HTH_MASK 0xf0
  331 #define STIME0_SEL_SHIFT 0
  332 #define STIME0_SEL_MASK 0x0f
  333 
  334 #define SIOP_STIME1     0x49 /* SCSI timer 1, R/W */
  335 #define STIME1_HTHBA    0x40    /* 875 only */
  336 #define STIME1_GENSF    0x20    /* 875 only */
  337 #define STIME1_HTHSF    0x10    /* 875 only */
  338 #define STIME1_GEN_SHIFT 0
  339 #define STIME1_GEN_MASK 0x0f
  340 
  341 #define SIOP_RESPID0    0x4A /* response ID, R/W */
  342 
  343 #define SIOP_RESPID1    0x4B /* response ID, R/W, 875-only */
  344 
  345 #define SIOP_STEST0     0x4C /* SCSI test 0, RO */
  346 
  347 #define SIOP_STEST1     0x4D /* SCSI test 1, RO, RW on 875 */
  348 #define STEST1_DOGE     0x20    /* 1010 only */
  349 #define STEST1_DIGE     0x10    /* 1010 only */
  350 #define STEST1_DBLEN    0x08    /* 875-only */
  351 #define STEST1_DBLSEL   0x04    /* 875-only */
  352 
  353 #define SIOP_STEST2     0x4E /* SCSI test 2, RO, R/W on 875 */
  354 #define STEST2_DIF      0x20    /* 875 only */
  355 #define STEST2_EXT      0x02
  356 
  357 #define SIOP_STEST3     0x4F /* SCSI test 3, RO, RW on 875 */
  358 #define STEST3_TE       0x80
  359 #define STEST3_HSC      0x20
  360 
  361 #define SIOP_STEST4     0x52 /* SCSI test 4, 895 only */
  362 #define STEST4_MODE_MASK 0xc0
  363 #define STEST4_MODE_DIF 0x40
  364 #define STEST4_MODE_SE  0x80
  365 #define STEST4_MODE_LVD 0xc0
  366 #define STEST4_LOCK     0x20
  367 #define STEST4_
  368 
  369 #define SIOP_SIDL       0x50 /* SCSI input data latch, RO */
  370 
  371 #define SIOP_SODL       0x54 /* SCSI output data latch, R/W */
  372 
  373 #define SIOP_SBDL       0x58 /* SCSI bus data lines, RO */
  374 
  375 #define SIOP_SCRATCHB   0x5C /* Scratch register B, R/W */
  376 
  377 #define SIOP_SCRATCHC   0x60 /* Scratch register C, R/W, 875 only */
  378 
  379 #define SIOP_SCRATCHD   0x64 /* Scratch register D, R/W, 875-only */
  380 
  381 #define SIOP_SCRATCHE   0x68 /* Scratch register E, R/W, 875-only */
  382 
  383 #define SIOP_SCRATCHF   0x6c /* Scratch register F, R/W, 875-only */
  384 
  385 #define SIOP_SCRATCHG   0x70 /* Scratch register G, R/W, 875-only */
  386 
  387 #define SIOP_SCRATCHH   0x74 /* Scratch register H, R/W, 875-only */
  388 
  389 #define SIOP_SCRATCHI   0x78 /* Scratch register I, R/W, 875-only */
  390 
  391 #define SIOP_SCRATCHJ   0x7c /* Scratch register J, R/W, 875-only */
  392 
  393 #define SIOP_SCNTL4     0xBC /* SCSI control 4, R/W, 1010-only */
  394 #define SCNTL4_XCLKS_ST 0x01
  395 #define SCNTL4_XCLKS_DT 0x02
  396 #define SCNTL4_XCLKH_ST 0x04
  397 #define SCNTL4_XCLKH_DT 0x08
  398 #define SCNTL4_AIPEN    0x40
  399 #define SCNTL4_U3EN     0x80
  400 
  401 #define SIOP_DFBC       0xf0 /* DMA fifo byte count, RO */
  402 
  403 #define SIOP_AIPCNTL0   0xbe    /* AIP Control 0, 1010-only */
  404 #define AIPCNTL0_ERRLIVE 0x04   /* AIP error status, live */
  405 #define AIPCNTL0_ERR    0x02    /* AIP error status, latched */
  406 #define AIPCNTL0_PARITYERRs 0x01 /* Parity error */
  407 
  408 #define SIOP_AIPCNTL1   0xbf    /* AIP Control 1, 1010-only */
  409 #define AIPCNTL1_DIS    0x08    /* disable AIP generation, 1010-66 only */
  410 #define AIPCNTL1_RSETERR 0x04   /* reset AIP error 1010-66 only */
  411 #define AIPCNTL1_FB     0x02    /* force bad AIP value 1010-66 only */
  412 #define AIPCNTL1_RSET   0x01    /* reset AIP sequence value 1010-66 only */
  413 
  414 /*
  415  * Non-volatile configuration settings stored in the EEPROM.  There
  416  * are at least two known formats: Symbios Logic format and Tekram format.
  417  */
  418 
  419 #define SIOP_NVRAM_SYM_SIZE             368
  420 #define SIOP_NVRAM_SYM_ADDRESS          0x100
  421 
  422 struct nvram_symbios {
  423         /* Header (6 bytes) */
  424         u_int16_t       type;           /* 0x0000 */
  425         u_int16_t       byte_count;     /* excluding header/trailer */
  426         u_int16_t       checksum;
  427 
  428         /* Adapter configuration (20 bytes) */
  429         u_int8_t        v_major;
  430         u_int8_t        v_minor;
  431         u_int32_t       boot_crc;
  432         u_int16_t       flags;
  433 #define NVRAM_SYM_F_SCAM_ENABLE         0x0001
  434 #define NVRAM_SYM_F_PARITY_ENABLE       0x0002
  435 #define NVRAM_SYM_F_VERBOSE_MESSAGES    0x0004
  436 #define NVRAM_SYM_F_CHS_MAPPING         0x0008
  437         u_int16_t       flags1;
  438 #define NVRAM_SYM_F1_SCAN_HI_LO         0x0001
  439         u_int16_t       term_state;
  440 #define NVRAM_SYM_TERM_CANT_PROGRAM     0
  441 #define NVRAM_SYM_TERM_ENABLED          1
  442 #define NVRAM_SYM_TERM_DISABLED         2
  443         u_int16_t       rmvbl_flags;
  444 #define NVRAM_SYM_RMVBL_NO_SUPPORT      0
  445 #define NVRAM_SYM_RMVBL_BOOT_DEVICE     1
  446 #define NVRAM_SYM_RMVBL_MEDIA_INSTALLED 2
  447         u_int8_t        host_id;
  448         u_int8_t        num_hba;
  449         u_int8_t        num_devices;
  450         u_int8_t        max_scam_devices;
  451         u_int8_t        num_valid_scam_devices;
  452         u_int8_t        rsvd;
  453 
  454         /* Boot order (14 bytes x 4) */
  455         struct nvram_symbios_host {
  456                 u_int16_t       type;           /* 4 - 8xx */
  457                 u_int16_t       device_id;      /* PCI device ID */
  458                 u_int16_t       vendor_id;      /* PCI vendor ID */
  459                 u_int8_t        bus_nr;         /* PCI bus number */
  460                 u_int8_t        device_fn;      /* PCI device/func # << 3 */
  461                 u_int16_t       word8;
  462                 u_int16_t       flags;
  463 #define NVRAM_SYM_HOST_F_SCAN_AT_BOOT   0x0001
  464                 u_int16_t       io_port;        /* PCI I/O address */
  465         } __packed host[4];
  466 
  467         /* Targets (8 bytes x 16) */
  468         struct nvram_symbios_target {
  469                 u_int8_t        flags;
  470 #define NVRAM_SYM_TARG_F_DISCONNECT_EN  0x0001
  471 #define NVRAM_SYM_TARG_F_SCAN_AT_BOOT   0x0002
  472 #define NVRAM_SYM_TARG_F_SCAN_LUNS      0x0004
  473 #define NVRAM_SYM_TARG_F_TQ_EN          0x0008
  474                 u_int8_t        rsvd;
  475                 u_int8_t        bus_width;
  476                 u_int8_t        sync_offset;    /* 8, 16, etc. */
  477                 u_int16_t       sync_period;    /* 4 * factor */
  478                 u_int16_t       timeout;
  479         } __packed target[16];
  480 
  481         /* SCAM table (8 bytes x 4) */
  482         struct nvram_symbios_scam {
  483                 u_int16_t       id;
  484                 u_int16_t       method;
  485 #define NVRAM_SYM_SCAM_DEFAULT_METHOD   0
  486 #define NVRAM_SYM_SCAM_DONT_ASSIGN      1
  487 #define NVRAM_SYM_SCAM_SET_SPECIFIC_ID  2
  488 #define NVRAM_SYM_SCAM_USE_ORDER_GIVEN  3
  489                 u_int16_t       status;
  490 #define NVRAM_SYM_SCAM_UNKNOWN          0
  491 #define NVRAM_SYM_SCAM_DEVICE_NOT_FOUND 1
  492 #define NVRAM_SYM_SCAM_ID_NOT_SET       2
  493 #define NVRAM_SYM_SCAM_ID_VALID         3
  494                 u_int8_t                target_id;
  495                 u_int8_t                rsvd;
  496         } __packed scam[4];
  497 
  498         u_int8_t        spare_devices[15 * 8];
  499         u_int8_t        trailer[6];     /* 0xfe 0xfe 0x00 0x00 0x00 0x00 */
  500 } __packed;
  501 
  502 #define SIOP_NVRAM_TEK_SIZE             64
  503 #define SIOP_NVRAM_TEK_93c46_ADDRESS    0
  504 #define SIOP_NVRAM_TEK_24c16_ADDRESS    0x40
  505 
  506 #if 0
  507 static const u_int8_t tekram_sync_table[16] __attribute__((__unused__)) = {
  508         25, 31, 37,  43,
  509         50, 62, 75, 125,
  510         12, 15, 18,  21,
  511          6,  7,  9,  10,
  512 };
  513 
  514 struct nvram_tekram {
  515         struct nvram_tekram_target {
  516                 u_int8_t        flags;
  517 #define NVRAM_TEK_TARG_F_PARITY_CHECK   0x01
  518 #define NVRAM_TEK_TARG_F_SYNC_NEGO      0x02
  519 #define NVRAM_TEK_TARG_F_DISCONNECT_EN  0x04
  520 #define NVRAM_TEK_TARG_F_START_CMD      0x08
  521 #define NVRAM_TEK_TARG_F_TQ_EN          0x10
  522 #define NVRAM_TEK_TARG_F_WIDE_NEGO      0x20
  523                 u_int8_t        sync_index;
  524                 u_int16_t       word2;
  525         } __packed target[16];
  526         u_int8_t        host_id;
  527         u_int8_t        flags;
  528 #define NVRAM_TEK_F_MORE_THAN_2_DRIVES  0x01
  529 #define NVRAM_TEK_F_DRIVES_SUP_1G       0x02
  530 #define NVRAM_TEK_F_RESET_ON_POWER_ON   0x04
  531 #define NVRAM_TEK_F_ACTIVE_NEGATION     0x08
  532 #define NVRAM_TEK_F_IMMEDIATE_SEEK      0x10
  533 #define NVRAM_TEK_F_SCAN_LUNS           0x20
  534 #define NVRAM_TEK_F_REMOVABLE_FLAGS     0xc0    /* 0 dis, 1 boot, 2 all */
  535         u_int8_t        boot_delay_index;
  536         u_int8_t        max_tags_index;
  537         u_int16_t       flags1;
  538 #define NVRAM_TEK_F_F2_F6_ENABLED       0x0001
  539         u_int16_t       spare[29];
  540 } __packed;
  541 #endif

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