2 * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family
3 * of PCI-SCSI IO processors.
5 * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
7 * This driver is derived from the Linux sym53c8xx driver.
8 * Copyright (C) 1998-2000 Gerard Roudier
10 * The sym53c8xx driver is derived from the ncr53c8xx driver that had been
11 * a port of the FreeBSD ncr driver to Linux-1.2.13.
13 * The original ncr driver has been written for 386bsd and FreeBSD by
14 * Wolfgang Stanglmeier <wolf@cologne.de>
15 * Stefan Esser <se@mi.Uni-Koeln.de>
16 * Copyright (C) 1994 Wolfgang Stanglmeier
18 * Other major contributions:
20 * NVRAM detection and reading.
21 * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk>
23 *-----------------------------------------------------------------------------
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the above copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. The name of the author may not be used to endorse or promote products
31 * derived from this software without specific prior written permission.
33 * Where this Software is combined with software released under the terms of
34 * the GNU Public License ("GPL") and the terms of the GPL would require the
35 * combined work to also be released under the terms of the GPL, the terms
36 * and conditions of this License will apply in addition to those of the
37 * GPL with the exception of any terms or conditions of this License that
38 * conflict with, or are expressly prohibited by, the GPL.
40 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
44 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 #define PCI_VENDOR_NCR 0x1000
62 * PCI device identifier of SYMBIOS chips.
64 #define PCI_ID_SYM53C810 1
65 #define PCI_ID_SYM53C810AP 5
66 #define PCI_ID_SYM53C815 4
67 #define PCI_ID_SYM53C820 2
68 #define PCI_ID_SYM53C825 3
69 #define PCI_ID_SYM53C860 6
70 #define PCI_ID_SYM53C875 0xf
71 #define PCI_ID_SYM53C875_2 0x8f
72 #define PCI_ID_SYM53C885 0xd
73 #define PCI_ID_SYM53C895 0xc
74 #define PCI_ID_SYM53C896 0xb
75 #define PCI_ID_SYM53C895A 0x12
76 #define PCI_ID_SYM53C875A 0x13
77 #define PCI_ID_LSI53C1010 0x20
78 #define PCI_ID_LSI53C1010_2 0x21
79 #define PCI_ID_LSI53C1510D 0xa
82 * SYM53C8XX device features descriptor.
88 u_char burst_max; /* log-base-2 of max burst */
93 #define FE_LED0 (1<<0)
94 #define FE_WIDE (1<<1) /* Wide data transfers */
95 #define FE_ULTRA (1<<2) /* Ultra speed 20Mtrans/sec */
96 #define FE_ULTRA2 (1<<3) /* Ultra 2 - 40 Mtrans/sec */
97 #define FE_DBLR (1<<4) /* Clock doubler present */
98 #define FE_QUAD (1<<5) /* Clock quadrupler present */
99 #define FE_ERL (1<<6) /* Enable read line */
100 #define FE_CLSE (1<<7) /* Cache line size enable */
101 #define FE_WRIE (1<<8) /* Write & Invalidate enable */
102 #define FE_ERMP (1<<9) /* Enable read multiple */
103 #define FE_BOF (1<<10) /* Burst opcode fetch */
104 #define FE_DFS (1<<11) /* DMA fifo size */
105 #define FE_PFEN (1<<12) /* Prefetch enable */
106 #define FE_LDSTR (1<<13) /* Load/Store supported */
107 #define FE_RAM (1<<14) /* On chip RAM present */
108 #define FE_VARCLK (1<<15) /* Clock frequency may vary */
109 #define FE_RAM8K (1<<16) /* On chip RAM sized 8Kb */
110 #define FE_64BIT (1<<17) /* 64-bit PCI BUS interface */
111 #define FE_IO256 (1<<18) /* Requires full 256 bytes in PCI space */
112 #define FE_NOPM (1<<19) /* Scripts handles phase mismatch */
113 #define FE_LEDC (1<<20) /* Hardware control of LED */
114 #define FE_ULTRA3 (1<<21) /* Ultra 3 - 80 Mtrans/sec DT */
115 #define FE_66MHZ (1<<22) /* 66MHz PCI support */
116 #define FE_CRC (1<<23) /* CRC support */
117 #define FE_DIFF (1<<24) /* SCSI HVD support */
118 #define FE_DFBC (1<<25) /* Have DFBC register */
119 #define FE_LCKFRQ (1<<26) /* Have LCKFRQ */
120 #define FE_C10 (1<<27) /* Various C10 core (mis)features */
121 #define FE_U3EN (1<<28) /* U3EN bit usable */
122 #define FE_DAC (1<<29) /* Support PCI DAC (64 bit addressing) */
123 #define FE_ISTAT1 (1<<30) /* Have ISTAT1, MBOX0, MBOX1 registers */
125 #define FE_CACHE_SET (FE_ERL|FE_CLSE|FE_WRIE|FE_ERMP)
126 #define FE_CACHE0_SET (FE_CACHE_SET & ~FE_ERL)
130 * Symbios NVRAM data format
132 #define SYMBIOS_NVRAM_SIZE 368
133 #define SYMBIOS_NVRAM_ADDRESS 0x100
135 struct Symbios_nvram {
137 u_short type; /* 0x0000 */
138 u_short byte_count; /* excluding header/trailer */
141 /* Controller set up 20 bytes */
142 u_char v_major; /* 0x00 */
143 u_char v_minor; /* 0x30 */
146 #define SYMBIOS_SCAM_ENABLE (1)
147 #define SYMBIOS_PARITY_ENABLE (1<<1)
148 #define SYMBIOS_VERBOSE_MSGS (1<<2)
149 #define SYMBIOS_CHS_MAPPING (1<<3)
150 #define SYMBIOS_NO_NVRAM (1<<3) /* ??? */
152 #define SYMBIOS_SCAN_HI_LO (1)
154 #define SYMBIOS_TERM_CANT_PROGRAM (0)
155 #define SYMBIOS_TERM_ENABLED (1)
156 #define SYMBIOS_TERM_DISABLED (2)
158 #define SYMBIOS_RMVBL_NO_SUPPORT (0)
159 #define SYMBIOS_RMVBL_BOOT_DEVICE (1)
160 #define SYMBIOS_RMVBL_MEDIA_INSTALLED (2)
162 u_char num_hba; /* 0x04 */
163 u_char num_devices; /* 0x10 */
164 u_char max_scam_devices; /* 0x04 */
165 u_char num_valid_scam_devices; /* 0x00 */
167 #define SYMBIOS_AVOID_BUS_RESET (1<<2)
169 /* Boot order 14 bytes * 4 */
171 u_short type; /* 4:8xx / 0:nok */
172 u_short device_id; /* PCI device id */
173 u_short vendor_id; /* PCI vendor id */
174 u_char bus_nr; /* PCI bus number */
175 u_char device_fn; /* PCI device/function number << 3*/
178 #define SYMBIOS_INIT_SCAN_AT_BOOT (1)
179 u_short io_port; /* PCI io_port address */
182 /* Targets 8 bytes * 16 */
183 struct Symbios_target {
185 #define SYMBIOS_DISCONNECT_ENABLE (1)
186 #define SYMBIOS_SCAN_AT_BOOT_TIME (1<<1)
187 #define SYMBIOS_SCAN_LUNS (1<<2)
188 #define SYMBIOS_QUEUE_TAGS_ENABLED (1<<3)
190 u_char bus_width; /* 0x08/0x10 */
192 u_short sync_period; /* 4*period factor */
195 /* Scam table 8 bytes * 4 */
196 struct Symbios_scam {
199 #define SYMBIOS_SCAM_DEFAULT_METHOD (0)
200 #define SYMBIOS_SCAM_DONT_ASSIGN (1)
201 #define SYMBIOS_SCAM_SET_SPECIFIC_ID (2)
202 #define SYMBIOS_SCAM_USE_ORDER_GIVEN (3)
204 #define SYMBIOS_SCAM_UNKNOWN (0)
205 #define SYMBIOS_SCAM_DEVICE_NOT_FOUND (1)
206 #define SYMBIOS_SCAM_ID_NOT_SET (2)
207 #define SYMBIOS_SCAM_ID_VALID (3)
212 u_char spare_devices[15*8];
213 u_char trailer[6]; /* 0xfe 0xfe 0x00 0x00 0x00 0x00 */
215 typedef struct Symbios_nvram Symbios_nvram;
216 typedef struct Symbios_host Symbios_host;
217 typedef struct Symbios_target Symbios_target;
218 typedef struct Symbios_scam Symbios_scam;
221 * Tekram NvRAM data format.
223 #define TEKRAM_NVRAM_SIZE 64
224 #define TEKRAM_93C46_NVRAM_ADDRESS 0
225 #define TEKRAM_24C16_NVRAM_ADDRESS 0x40
227 struct Tekram_nvram {
228 struct Tekram_target {
230 #define TEKRAM_PARITY_CHECK (1)
231 #define TEKRAM_SYNC_NEGO (1<<1)
232 #define TEKRAM_DISCONNECT_ENABLE (1<<2)
233 #define TEKRAM_START_CMD (1<<3)
234 #define TEKRAM_TAGGED_COMMANDS (1<<4)
235 #define TEKRAM_WIDE_NEGO (1<<5)
241 #define TEKRAM_MORE_THAN_2_DRIVES (1)
242 #define TEKRAM_DRIVES_SUP_1GB (1<<1)
243 #define TEKRAM_RESET_ON_POWER_ON (1<<2)
244 #define TEKRAM_ACTIVE_NEGATION (1<<3)
245 #define TEKRAM_IMMEDIATE_SEEK (1<<4)
246 #define TEKRAM_SCAN_LUNS (1<<5)
247 #define TEKRAM_REMOVABLE_FLAGS (3<<6) /* 0: disable; */
248 /* 1: boot device; 2:all */
249 u_char boot_delay_index;
250 u_char max_tags_index;
252 #define TEKRAM_F2_F6_ENABLED (1)
255 typedef struct Tekram_nvram Tekram_nvram;
256 typedef struct Tekram_target Tekram_target;
259 * SYM53C8XX IO register data structure.
262 /*00*/ u8 nc_scntl0; /* full arb., ena parity, par->ATN */
264 /*01*/ u8 nc_scntl1; /* no reset */
265 #define ISCON 0x10 /* connected to scsi */
266 #define CRST 0x08 /* force reset */
267 #define IARB 0x02 /* immediate arbitration */
269 /*02*/ u8 nc_scntl2; /* no disconnect expected */
270 #define SDU 0x80 /* cmd: disconnect will raise error */
271 #define CHM 0x40 /* sta: chained mode */
272 #define WSS 0x08 /* sta: wide scsi send [W]*/
273 #define WSR 0x01 /* sta: wide scsi received [W]*/
275 /*03*/ u8 nc_scntl3; /* cnf system clock dependent */
276 #define EWS 0x08 /* cmd: enable wide scsi [W]*/
277 #define ULTRA 0x80 /* cmd: ULTRA enable */
278 /* bits 0-2, 7 rsvd for C1010 */
280 /*04*/ u8 nc_scid; /* cnf host adapter scsi address */
281 #define RRE 0x40 /* r/w:e enable response to resel. */
282 #define SRE 0x20 /* r/w:e enable response to select */
284 /*05*/ u8 nc_sxfer; /* ### Sync speed and count */
285 /* bits 6-7 rsvd for C1010 */
287 /*06*/ u8 nc_sdid; /* ### Destination-ID */
289 /*07*/ u8 nc_gpreg; /* ??? IO-Pins */
291 /*08*/ u8 nc_sfbr; /* ### First byte received */
294 #define CREQ 0x80 /* r/w: SCSI-REQ */
295 #define CACK 0x40 /* r/w: SCSI-ACK */
296 #define CBSY 0x20 /* r/w: SCSI-BSY */
297 #define CSEL 0x10 /* r/w: SCSI-SEL */
298 #define CATN 0x08 /* r/w: SCSI-ATN */
299 #define CMSG 0x04 /* r/w: SCSI-MSG */
300 #define CC_D 0x02 /* r/w: SCSI-C_D */
301 #define CI_O 0x01 /* r/w: SCSI-I_O */
308 #define DFE 0x80 /* sta: dma fifo empty */
309 #define MDPE 0x40 /* int: master data parity error */
310 #define BF 0x20 /* int: script: bus fault */
311 #define ABRT 0x10 /* int: script: command aborted */
312 #define SSI 0x08 /* int: script: single step */
313 #define SIR 0x04 /* int: script: interrupt instruct. */
314 #define IID 0x01 /* int: script: illegal instruct. */
317 #define ILF 0x80 /* sta: data in SIDL register lsb */
318 #define ORF 0x40 /* sta: data in SODR register lsb */
319 #define OLF 0x20 /* sta: data in SODL register lsb */
320 #define AIP 0x10 /* sta: arbitration in progress */
321 #define LOA 0x08 /* sta: arbitration lost */
322 #define WOA 0x04 /* sta: arbitration won */
323 #define IRST 0x02 /* sta: scsi reset signal */
324 #define SDP 0x01 /* sta: scsi parity signal */
327 #define FF3210 0xf0 /* sta: bytes in the scsi fifo */
330 #define ILF1 0x80 /* sta: data in SIDL register msb[W]*/
331 #define ORF1 0x40 /* sta: data in SODR register msb[W]*/
332 #define OLF1 0x20 /* sta: data in SODL register msb[W]*/
333 #define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */
334 #define LDSC 0x02 /* sta: disconnect & reconnect */
336 /*10*/ u8 nc_dsa; /* --> Base page */
341 /*14*/ u8 nc_istat; /* --> Main Command and status */
342 #define CABRT 0x80 /* cmd: abort current operation */
343 #define SRST 0x40 /* mod: reset chip */
344 #define SIGP 0x20 /* r/w: message from host to script */
345 #define SEM 0x10 /* r/w: message between host + script */
346 #define CON 0x08 /* sta: connected to scsi */
347 #define INTF 0x04 /* sta: int on the fly (reset by wr)*/
348 #define SIP 0x02 /* sta: scsi-interrupt */
349 #define DIP 0x01 /* sta: host/script interrupt */
351 /*15*/ u8 nc_istat1; /* 896 only */
352 #define FLSH 0x04 /* sta: chip is flushing */
353 #define SCRUN 0x02 /* sta: scripts are running */
354 #define SIRQD 0x01 /* r/w: disable INT pin */
356 /*16*/ u8 nc_mbox0; /* 896 only */
357 /*17*/ u8 nc_mbox1; /* 896 only */
364 /* bits 0-2,7 rsvd for C1010 */
367 #define FLF 0x08 /* cmd: flush dma fifo */
368 #define CLF 0x04 /* cmd: clear dma fifo */
369 #define FM 0x02 /* mod: fetch pin mode */
370 #define WRIE 0x01 /* mod: write and invalidate enable */
371 /* bits 4-7 rsvd for C1010 */
373 /*1c*/ u32 nc_temp; /* ### Temporary stack */
377 #define BDIS 0x80 /* mod: burst disable */
378 #define MPEE 0x08 /* mod: master parity error enable */
381 #define DFS 0x20 /* mod: dma fifo size */
382 /* bits 0-1, 3-7 rsvd for C1010 */
386 /*24*/ u32 nc_dbc; /* ### Byte count and command */
387 /*28*/ u32 nc_dnad; /* ### Next command register */
388 /*2c*/ u32 nc_dsp; /* --> Script Pointer */
389 /*30*/ u32 nc_dsps; /* --> Script pointer save/opcode#2 */
391 /*34*/ u8 nc_scratcha; /* Temporary register a */
392 /*35*/ u8 nc_scratcha1;
393 /*36*/ u8 nc_scratcha2;
394 /*37*/ u8 nc_scratcha3;
397 #define BL_2 0x80 /* mod: burst length shift value +2 */
398 #define BL_1 0x40 /* mod: burst length shift value +1 */
399 #define ERL 0x08 /* mod: enable read line */
400 #define ERMP 0x04 /* mod: enable read multiple */
401 #define BOF 0x02 /* mod: burst op code fetch */
406 /*3b*/ u8 nc_dcntl; /* --> Script execution control */
407 #define CLSE 0x80 /* mod: cache line size enable */
408 #define PFF 0x40 /* cmd: pre-fetch flush */
409 #define PFEN 0x20 /* mod: pre-fetch enable */
410 #define SSM 0x10 /* mod: single step mode */
411 #define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */
412 #define STD 0x04 /* cmd: start dma mode */
413 #define IRQD 0x02 /* mod: irq disable */
414 #define NOCOM 0x01 /* cmd: protect sfbr while reselect */
415 /* bits 0-1 rsvd for C1010 */
419 /*40*/ u16 nc_sien; /* -->: interrupt enable */
420 /*42*/ u16 nc_sist; /* <--: interrupt status */
421 #define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */
422 #define STO 0x0400/* sta: timeout (select) */
423 #define GEN 0x0200/* sta: timeout (general) */
424 #define HTH 0x0100/* sta: timeout (handshake) */
425 #define MA 0x80 /* sta: phase mismatch */
426 #define CMP 0x40 /* sta: arbitration complete */
427 #define SEL 0x20 /* sta: selected by another device */
428 #define RSL 0x10 /* sta: reselected by another device*/
429 #define SGE 0x08 /* sta: gross error (over/underflow)*/
430 #define UDC 0x04 /* sta: unexpected disconnect */
431 #define RST 0x02 /* sta: scsi bus reset detected */
432 #define PAR 0x01 /* sta: scsi parity error */
438 /*48*/ u8 nc_stime0; /* cmd: timeout for select&handshake*/
439 /*49*/ u8 nc_stime1; /* cmd: timeout user defined */
440 /*4a*/ u16 nc_respid; /* sta: Reselect-IDs */
445 #define SCLK 0x80 /* Use the PCI clock as SCSI clock */
446 #define DBLEN 0x08 /* clock doubler running */
447 #define DBLSEL 0x04 /* clock doubler selected */
451 #define ROF 0x40 /* reset scsi offset (after gross error!) */
452 #define EXT 0x02 /* extended filtering */
455 #define TE 0x80 /* c: tolerAnt enable */
456 #define HSC 0x20 /* c: Halt SCSI Clock */
457 #define CSF 0x02 /* c: clear scsi fifo */
459 /*50*/ u16 nc_sidl; /* Lowlevel: latched from scsi data */
461 #define SMODE 0xc0 /* SCSI bus mode (895/6 only) */
462 #define SMODE_HVD 0x40 /* High Voltage Differential */
463 #define SMODE_SE 0x80 /* Single Ended */
464 #define SMODE_LVD 0xc0 /* Low Voltage Differential */
465 #define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */
466 /* bits 0-5 rsvd for C1010 */
469 /*54*/ u16 nc_sodl; /* Lowlevel: data out to scsi data */
470 /*56*/ u8 nc_ccntl0; /* Chip Control 0 (896) */
471 #define ENPMJ 0x80 /* Enable Phase Mismatch Jump */
472 #define PMJCTL 0x40 /* Phase Mismatch Jump Control */
473 #define ENNDJ 0x20 /* Enable Non Data PM Jump */
474 #define DISFC 0x10 /* Disable Auto FIFO Clear */
475 #define DILS 0x02 /* Disable Internal Load/Store */
476 #define DPR 0x01 /* Disable Pipe Req */
478 /*57*/ u8 nc_ccntl1; /* Chip Control 1 (896) */
479 #define ZMOD 0x80 /* High Impedance Mode */
480 #define DDAC 0x08 /* Disable Dual Address Cycle */
481 #define XTIMOD 0x04 /* 64-bit Table Ind. Indexing Mode */
482 #define EXTIBMV 0x02 /* Enable 64-bit Table Ind. BMOV */
483 #define EXDBMV 0x01 /* Enable 64-bit Direct BMOV */
485 /*58*/ u16 nc_sbdl; /* Lowlevel: data from scsi data */
488 /*5c*/ u8 nc_scr0; /* Working register B */
493 /*60*/ u8 nc_scrx[64]; /* Working register C-R */
494 /*a0*/ u32 nc_mmrs; /* Memory Move Read Selector */
495 /*a4*/ u32 nc_mmws; /* Memory Move Write Selector */
496 /*a8*/ u32 nc_sfs; /* Script Fetch Selector */
497 /*ac*/ u32 nc_drs; /* DSA Relative Selector */
498 /*b0*/ u32 nc_sbms; /* Static Block Move Selector */
499 /*b4*/ u32 nc_dbms; /* Dynamic Block Move Selector */
500 /*b8*/ u32 nc_dnad64; /* DMA Next Address 64 */
501 /*bc*/ u16 nc_scntl4; /* C1010 only */
502 #define U3EN 0x80 /* Enable Ultra 3 */
503 #define AIPCKEN 0x40 /* AIP checking enable */
504 /* Also enable AIP generation on C10-33*/
505 #define XCLKH_DT 0x08 /* Extra clock of data hold on DT edge */
506 #define XCLKH_ST 0x04 /* Extra clock of data hold on ST edge */
507 #define XCLKS_DT 0x02 /* Extra clock of data set on DT edge */
508 #define XCLKS_ST 0x01 /* Extra clock of data set on ST edge */
509 /*be*/ u8 nc_aipcntl0; /* AIP Control 0 C1010 only */
510 /*bf*/ u8 nc_aipcntl1; /* AIP Control 1 C1010 only */
511 #define DISAIP 0x08 /* Disable AIP generation C10-66 only */
512 /*c0*/ u32 nc_pmjad1; /* Phase Mismatch Jump Address 1 */
513 /*c4*/ u32 nc_pmjad2; /* Phase Mismatch Jump Address 2 */
514 /*c8*/ u8 nc_rbc; /* Remaining Byte Count */
519 /*cc*/ u8 nc_ua; /* Updated Address */
523 /*d0*/ u32 nc_esa; /* Entry Storage Address */
524 /*d4*/ u8 nc_ia; /* Instruction Address */
528 /*d8*/ u32 nc_sbc; /* SCSI Byte Count (3 bytes only) */
529 /*dc*/ u32 nc_csbc; /* Cumulative SCSI Byte Count */
530 /* Following for C1010 only */
531 /*e0*/ u16 nc_crcpad; /* CRC Value */
532 /*e2*/ u8 nc_crccntl0; /* CRC control register */
533 #define SNDCRC 0x10 /* Send CRC Request */
534 /*e3*/ u8 nc_crccntl1; /* CRC control register */
535 /*e4*/ u32 nc_crcdata; /* CRC data register */
538 /*f0*/ u16 nc_dfbc; /* DMA FIFO byte count */
541 /*-----------------------------------------------------------
543 * Utility macros for the script.
545 *-----------------------------------------------------------
548 #define REGJ(p,r) (offsetof(struct sym_reg, p ## r))
549 #define REG(r) REGJ (nc_, r)
551 /*-----------------------------------------------------------
555 *-----------------------------------------------------------
558 #define SCR_DATA_OUT 0x00000000
559 #define SCR_DATA_IN 0x01000000
560 #define SCR_COMMAND 0x02000000
561 #define SCR_STATUS 0x03000000
562 #define SCR_DT_DATA_OUT 0x04000000
563 #define SCR_DT_DATA_IN 0x05000000
564 #define SCR_MSG_OUT 0x06000000
565 #define SCR_MSG_IN 0x07000000
566 /* DT phases are illegal for non Ultra3 mode */
567 #define SCR_ILG_OUT 0x04000000
568 #define SCR_ILG_IN 0x05000000
570 /*-----------------------------------------------------------
572 * Data transfer via SCSI.
574 *-----------------------------------------------------------
585 *-----------------------------------------------------------
588 #define OPC_MOVE 0x08000000
590 #define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l))
591 /* #define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l)) */
592 #define SCR_MOVE_TBL (0x10000000 | OPC_MOVE)
594 #define SCR_CHMOV_ABS(l) ((0x00000000) | (l))
595 /* #define SCR_CHMOV_IND(l) ((0x20000000) | (l)) */
596 #define SCR_CHMOV_TBL (0x10000000)
598 #ifdef SYM_CONF_TARGET_ROLE_SUPPORT
599 /* We steal the `indirect addressing' flag for target mode MOVE in scripts */
601 #define OPC_TCHMOVE 0x08000000
603 #define SCR_TCHMOVE_ABS(l) ((0x20000000 | OPC_TCHMOVE) | (l))
604 #define SCR_TCHMOVE_TBL (0x30000000 | OPC_TCHMOVE)
606 #define SCR_TMOV_ABS(l) ((0x20000000) | (l))
607 #define SCR_TMOV_TBL (0x30000000)
615 /*-----------------------------------------------------------
619 *-----------------------------------------------------------
621 * SEL_ABS | SCR_ID (0..15) [ | REL_JMP]
622 * <<alternate_address>>
624 * SEL_TBL | << dnad_offset>> [ | REL_JMP]
625 * <<alternate_address>>
627 *-----------------------------------------------------------
630 #define SCR_SEL_ABS 0x40000000
631 #define SCR_SEL_ABS_ATN 0x41000000
632 #define SCR_SEL_TBL 0x42000000
633 #define SCR_SEL_TBL_ATN 0x43000000
635 #ifdef SYM_CONF_TARGET_ROLE_SUPPORT
636 #define SCR_RESEL_ABS 0x40000000
637 #define SCR_RESEL_ABS_ATN 0x41000000
638 #define SCR_RESEL_TBL 0x42000000
639 #define SCR_RESEL_TBL_ATN 0x43000000
643 u_char sel_scntl4; /* C1010 only */
649 #define SCR_JMP_REL 0x04000000
650 #define SCR_ID(id) (((u32)(id)) << 16)
652 /*-----------------------------------------------------------
654 * Waiting for Disconnect or Reselect
656 *-----------------------------------------------------------
659 * dummy: <<alternate_address>>
662 * <<alternate_address>>
664 *-----------------------------------------------------------
667 #define SCR_WAIT_DISC 0x48000000
668 #define SCR_WAIT_RESEL 0x50000000
670 #ifdef SYM_CONF_TARGET_ROLE_SUPPORT
671 #define SCR_DISCONNECT 0x48000000
674 /*-----------------------------------------------------------
678 *-----------------------------------------------------------
684 *-----------------------------------------------------------
687 #define SCR_SET(f) (0x58000000 | (f))
688 #define SCR_CLR(f) (0x60000000 | (f))
690 #define SCR_CARRY 0x00000400
691 #define SCR_TRG 0x00000200
692 #define SCR_ACK 0x00000040
693 #define SCR_ATN 0x00000008
696 /*-----------------------------------------------------------
698 * Memory to memory move
700 *-----------------------------------------------------------
703 * << source_address >>
704 * << destination_address >>
706 * SCR_COPY sets the NO FLUSH option by default.
707 * SCR_COPY_F does not set this option.
709 * For chips which do not support this option,
710 * sym_fw_bind_script() will remove this bit.
712 *-----------------------------------------------------------
715 #define SCR_NO_FLUSH 0x01000000
717 #define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
718 #define SCR_COPY_F(n) (0xc0000000 | (n))
720 /*-----------------------------------------------------------
722 * Register move and binary operations
724 *-----------------------------------------------------------
726 * SFBR_REG (reg, op, data) reg = SFBR op data
729 * REG_SFBR (reg, op, data) SFBR = reg op data
732 * REG_REG (reg, op, data) reg = reg op data
735 *-----------------------------------------------------------
737 * On 825A, 875, 895 and 896 chips the content
738 * of SFBR register can be used as data (SCR_SFBR_DATA).
739 * The 896 has additionnal IO registers starting at
740 * offset 0x80. Bit 7 of register offset is stored in
741 * bit 7 of the SCRIPTS instruction first DWORD.
743 *-----------------------------------------------------------
746 #define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul) + ((ofs) & 0x80))
748 #define SCR_SFBR_REG(reg,op,data) \
749 (0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
751 #define SCR_REG_SFBR(reg,op,data) \
752 (0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
754 #define SCR_REG_REG(reg,op,data) \
755 (0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
758 #define SCR_LOAD 0x00000000
759 #define SCR_SHL 0x01000000
760 #define SCR_OR 0x02000000
761 #define SCR_XOR 0x03000000
762 #define SCR_AND 0x04000000
763 #define SCR_SHR 0x05000000
764 #define SCR_ADD 0x06000000
765 #define SCR_ADDC 0x07000000
767 #define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */
769 /*-----------------------------------------------------------
771 * FROM_REG (reg) SFBR = reg
774 * TO_REG (reg) reg = SFBR
777 * LOAD_REG (reg, data) reg = <data>
780 * LOAD_SFBR(data) SFBR = <data>
783 *-----------------------------------------------------------
786 #define SCR_FROM_REG(reg) \
787 SCR_REG_SFBR(reg,SCR_OR,0)
789 #define SCR_TO_REG(reg) \
790 SCR_SFBR_REG(reg,SCR_OR,0)
792 #define SCR_LOAD_REG(reg,data) \
793 SCR_REG_REG(reg,SCR_LOAD,data)
795 #define SCR_LOAD_SFBR(data) \
796 (SCR_REG_SFBR (gpreg, SCR_LOAD, data))
798 /*-----------------------------------------------------------
800 * LOAD from memory to register.
801 * STORE from register to memory.
803 * Only supported by 810A, 860, 825A, 875, 895 and 896.
805 *-----------------------------------------------------------
810 * LOAD_REL (LEN) (DSA relative)
813 *-----------------------------------------------------------
816 #define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul)
817 #define SCR_NO_FLUSH2 0x02000000
818 #define SCR_DSA_REL2 0x10000000
820 #define SCR_LOAD_R(reg, how, n) \
821 (0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))
823 #define SCR_STORE_R(reg, how, n) \
824 (0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))
826 #define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n)
827 #define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n)
828 #define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n)
829 #define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n)
831 #define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n)
832 #define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n)
833 #define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n)
834 #define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n)
837 /*-----------------------------------------------------------
839 * Waiting for Disconnect or Reselect
841 *-----------------------------------------------------------
843 * JUMP [ | IFTRUE/IFFALSE ( ... ) ]
846 * JUMPR [ | IFTRUE/IFFALSE ( ... ) ]
849 * CALL [ | IFTRUE/IFFALSE ( ... ) ]
852 * CALLR [ | IFTRUE/IFFALSE ( ... ) ]
855 * RETURN [ | IFTRUE/IFFALSE ( ... ) ]
858 * INT [ | IFTRUE/IFFALSE ( ... ) ]
861 * INT_FLY [ | IFTRUE/IFFALSE ( ... ) ]
870 *-----------------------------------------------------------
873 #define SCR_NO_OP 0x80000000
874 #define SCR_JUMP 0x80080000
875 #define SCR_JUMP64 0x80480000
876 #define SCR_JUMPR 0x80880000
877 #define SCR_CALL 0x88080000
878 #define SCR_CALLR 0x88880000
879 #define SCR_RETURN 0x90080000
880 #define SCR_INT 0x98080000
881 #define SCR_INT_FLY 0x98180000
883 #define IFFALSE(arg) (0x00080000 | (arg))
884 #define IFTRUE(arg) (0x00000000 | (arg))
886 #define WHEN(phase) (0x00030000 | (phase))
887 #define IF(phase) (0x00020000 | (phase))
889 #define DATA(D) (0x00040000 | ((D) & 0xff))
890 #define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff))
892 #define CARRYSET (0x00200000)
894 /*-----------------------------------------------------------
898 *-----------------------------------------------------------
905 #define M_COMPLETE (0x00)
906 #define M_EXTENDED (0x01)
907 #define M_SAVE_DP (0x02)
908 #define M_RESTORE_DP (0x03)
909 #define M_DISCONNECT (0x04)
910 #define M_ID_ERROR (0x05)
911 #define M_ABORT (0x06)
912 #define M_REJECT (0x07)
913 #define M_NOOP (0x08)
914 #define M_PARITY (0x09)
915 #define M_LCOMPLETE (0x0a)
916 #define M_FCOMPLETE (0x0b)
917 #define M_RESET (0x0c)
918 #define M_ABORT_TAG (0x0d)
919 #define M_CLEAR_QUEUE (0x0e)
920 #define M_INIT_REC (0x0f)
921 #define M_REL_REC (0x10)
922 #define M_TERMINATE (0x11)
923 #define M_SIMPLE_TAG (0x20)
924 #define M_HEAD_TAG (0x21)
925 #define M_ORDERED_TAG (0x22)
926 #define M_IGN_RESIDUE (0x23)
927 #define M_IDENTIFY (0x80)
929 #define M_X_MODIFY_DP (0x00)
930 #define M_X_SYNC_REQ (0x01)
931 #define M_X_WIDE_REQ (0x03)
932 #define M_X_PPR_REQ (0x04)
935 * PPR protocol options
937 #define PPR_OPT_IU (0x01)
938 #define PPR_OPT_DT (0x02)
939 #define PPR_OPT_QAS (0x04)
940 #define PPR_OPT_MASK (0x07)
946 #define S_GOOD (0x00)
947 #define S_CHECK_COND (0x02)
948 #define S_COND_MET (0x04)
949 #define S_BUSY (0x08)
951 #define S_INT_COND_MET (0x14)
952 #define S_CONFLICT (0x18)
953 #define S_TERMINATED (0x20)
954 #define S_QUEUE_FULL (0x28)
955 #define S_ILLEGAL (0xff)
957 #endif /* defined SYM_DEFS_H */