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
56 #define SYM_VERSION "2.1.18j"
57 #define SYM_DRIVER_NAME "sym-" SYM_VERSION
62 #define PCI_VENDOR_NCR 0x1000
65 * PCI device identifier of SYMBIOS chips.
67 #define PCI_ID_SYM53C810 1
68 #define PCI_ID_SYM53C810AP 5
69 #define PCI_ID_SYM53C815 4
70 #define PCI_ID_SYM53C820 2
71 #define PCI_ID_SYM53C825 3
72 #define PCI_ID_SYM53C860 6
73 #define PCI_ID_SYM53C875 0xf
74 #define PCI_ID_SYM53C875_2 0x8f
75 #define PCI_ID_SYM53C885 0xd
76 #define PCI_ID_SYM53C895 0xc
77 #define PCI_ID_SYM53C896 0xb
78 #define PCI_ID_SYM53C895A 0x12
79 #define PCI_ID_SYM53C875A 0x13
80 #define PCI_ID_LSI53C1010_33 0x20
81 #define PCI_ID_LSI53C1010_66 0x21
82 #define PCI_ID_LSI53C1510D 0xa
85 * SYM53C8XX device features descriptor.
91 u_char burst_max; /* log-base-2 of max burst */
96 #define FE_LED0 (1<<0)
97 #define FE_WIDE (1<<1) /* Wide data transfers */
98 #define FE_ULTRA (1<<2) /* Ultra speed 20Mtrans/sec */
99 #define FE_ULTRA2 (1<<3) /* Ultra 2 - 40 Mtrans/sec */
100 #define FE_DBLR (1<<4) /* Clock doubler present */
101 #define FE_QUAD (1<<5) /* Clock quadrupler present */
102 #define FE_ERL (1<<6) /* Enable read line */
103 #define FE_CLSE (1<<7) /* Cache line size enable */
104 #define FE_WRIE (1<<8) /* Write & Invalidate enable */
105 #define FE_ERMP (1<<9) /* Enable read multiple */
106 #define FE_BOF (1<<10) /* Burst opcode fetch */
107 #define FE_DFS (1<<11) /* DMA fifo size */
108 #define FE_PFEN (1<<12) /* Prefetch enable */
109 #define FE_LDSTR (1<<13) /* Load/Store supported */
110 #define FE_RAM (1<<14) /* On chip RAM present */
111 #define FE_VARCLK (1<<15) /* Clock frequency may vary */
112 #define FE_RAM8K (1<<16) /* On chip RAM sized 8Kb */
113 #define FE_64BIT (1<<17) /* 64-bit PCI BUS interface */
114 #define FE_IO256 (1<<18) /* Requires full 256 bytes in PCI space */
115 #define FE_NOPM (1<<19) /* Scripts handles phase mismatch */
116 #define FE_LEDC (1<<20) /* Hardware control of LED */
117 #define FE_ULTRA3 (1<<21) /* Ultra 3 - 80 Mtrans/sec DT */
118 #define FE_66MHZ (1<<22) /* 66MHz PCI support */
119 #define FE_CRC (1<<23) /* CRC support */
120 #define FE_DIFF (1<<24) /* SCSI HVD support */
121 #define FE_DFBC (1<<25) /* Have DFBC register */
122 #define FE_LCKFRQ (1<<26) /* Have LCKFRQ */
123 #define FE_C10 (1<<27) /* Various C10 core (mis)features */
124 #define FE_U3EN (1<<28) /* U3EN bit usable */
125 #define FE_DAC (1<<29) /* Support PCI DAC (64 bit addressing) */
126 #define FE_ISTAT1 (1<<30) /* Have ISTAT1, MBOX0, MBOX1 registers */
128 #define FE_CACHE_SET (FE_ERL|FE_CLSE|FE_WRIE|FE_ERMP)
129 #define FE_CACHE0_SET (FE_CACHE_SET & ~FE_ERL)
133 * SYM53C8XX IO register data structure.
136 /*00*/ u8 nc_scntl0; /* full arb., ena parity, par->ATN */
138 /*01*/ u8 nc_scntl1; /* no reset */
139 #define ISCON 0x10 /* connected to scsi */
140 #define CRST 0x08 /* force reset */
141 #define IARB 0x02 /* immediate arbitration */
143 /*02*/ u8 nc_scntl2; /* no disconnect expected */
144 #define SDU 0x80 /* cmd: disconnect will raise error */
145 #define CHM 0x40 /* sta: chained mode */
146 #define WSS 0x08 /* sta: wide scsi send [W]*/
147 #define WSR 0x01 /* sta: wide scsi received [W]*/
149 /*03*/ u8 nc_scntl3; /* cnf system clock dependent */
150 #define EWS 0x08 /* cmd: enable wide scsi [W]*/
151 #define ULTRA 0x80 /* cmd: ULTRA enable */
152 /* bits 0-2, 7 rsvd for C1010 */
154 /*04*/ u8 nc_scid; /* cnf host adapter scsi address */
155 #define RRE 0x40 /* r/w:e enable response to resel. */
156 #define SRE 0x20 /* r/w:e enable response to select */
158 /*05*/ u8 nc_sxfer; /* ### Sync speed and count */
159 /* bits 6-7 rsvd for C1010 */
161 /*06*/ u8 nc_sdid; /* ### Destination-ID */
163 /*07*/ u8 nc_gpreg; /* ??? IO-Pins */
165 /*08*/ u8 nc_sfbr; /* ### First byte received */
168 #define CREQ 0x80 /* r/w: SCSI-REQ */
169 #define CACK 0x40 /* r/w: SCSI-ACK */
170 #define CBSY 0x20 /* r/w: SCSI-BSY */
171 #define CSEL 0x10 /* r/w: SCSI-SEL */
172 #define CATN 0x08 /* r/w: SCSI-ATN */
173 #define CMSG 0x04 /* r/w: SCSI-MSG */
174 #define CC_D 0x02 /* r/w: SCSI-C_D */
175 #define CI_O 0x01 /* r/w: SCSI-I_O */
182 #define DFE 0x80 /* sta: dma fifo empty */
183 #define MDPE 0x40 /* int: master data parity error */
184 #define BF 0x20 /* int: script: bus fault */
185 #define ABRT 0x10 /* int: script: command aborted */
186 #define SSI 0x08 /* int: script: single step */
187 #define SIR 0x04 /* int: script: interrupt instruct. */
188 #define IID 0x01 /* int: script: illegal instruct. */
191 #define ILF 0x80 /* sta: data in SIDL register lsb */
192 #define ORF 0x40 /* sta: data in SODR register lsb */
193 #define OLF 0x20 /* sta: data in SODL register lsb */
194 #define AIP 0x10 /* sta: arbitration in progress */
195 #define LOA 0x08 /* sta: arbitration lost */
196 #define WOA 0x04 /* sta: arbitration won */
197 #define IRST 0x02 /* sta: scsi reset signal */
198 #define SDP 0x01 /* sta: scsi parity signal */
201 #define FF3210 0xf0 /* sta: bytes in the scsi fifo */
204 #define ILF1 0x80 /* sta: data in SIDL register msb[W]*/
205 #define ORF1 0x40 /* sta: data in SODR register msb[W]*/
206 #define OLF1 0x20 /* sta: data in SODL register msb[W]*/
207 #define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */
208 #define LDSC 0x02 /* sta: disconnect & reconnect */
210 /*10*/ u8 nc_dsa; /* --> Base page */
215 /*14*/ u8 nc_istat; /* --> Main Command and status */
216 #define CABRT 0x80 /* cmd: abort current operation */
217 #define SRST 0x40 /* mod: reset chip */
218 #define SIGP 0x20 /* r/w: message from host to script */
219 #define SEM 0x10 /* r/w: message between host + script */
220 #define CON 0x08 /* sta: connected to scsi */
221 #define INTF 0x04 /* sta: int on the fly (reset by wr)*/
222 #define SIP 0x02 /* sta: scsi-interrupt */
223 #define DIP 0x01 /* sta: host/script interrupt */
225 /*15*/ u8 nc_istat1; /* 896 only */
226 #define FLSH 0x04 /* sta: chip is flushing */
227 #define SCRUN 0x02 /* sta: scripts are running */
228 #define SIRQD 0x01 /* r/w: disable INT pin */
230 /*16*/ u8 nc_mbox0; /* 896 only */
231 /*17*/ u8 nc_mbox1; /* 896 only */
238 /* bits 0-2,7 rsvd for C1010 */
241 #define FLF 0x08 /* cmd: flush dma fifo */
242 #define CLF 0x04 /* cmd: clear dma fifo */
243 #define FM 0x02 /* mod: fetch pin mode */
244 #define WRIE 0x01 /* mod: write and invalidate enable */
245 /* bits 4-7 rsvd for C1010 */
247 /*1c*/ u32 nc_temp; /* ### Temporary stack */
251 #define BDIS 0x80 /* mod: burst disable */
252 #define MPEE 0x08 /* mod: master parity error enable */
255 #define DFS 0x20 /* mod: dma fifo size */
256 /* bits 0-1, 3-7 rsvd for C1010 */
260 /*24*/ u32 nc_dbc; /* ### Byte count and command */
261 /*28*/ u32 nc_dnad; /* ### Next command register */
262 /*2c*/ u32 nc_dsp; /* --> Script Pointer */
263 /*30*/ u32 nc_dsps; /* --> Script pointer save/opcode#2 */
265 /*34*/ u8 nc_scratcha; /* Temporary register a */
266 /*35*/ u8 nc_scratcha1;
267 /*36*/ u8 nc_scratcha2;
268 /*37*/ u8 nc_scratcha3;
271 #define BL_2 0x80 /* mod: burst length shift value +2 */
272 #define BL_1 0x40 /* mod: burst length shift value +1 */
273 #define ERL 0x08 /* mod: enable read line */
274 #define ERMP 0x04 /* mod: enable read multiple */
275 #define BOF 0x02 /* mod: burst op code fetch */
280 /*3b*/ u8 nc_dcntl; /* --> Script execution control */
281 #define CLSE 0x80 /* mod: cache line size enable */
282 #define PFF 0x40 /* cmd: pre-fetch flush */
283 #define PFEN 0x20 /* mod: pre-fetch enable */
284 #define SSM 0x10 /* mod: single step mode */
285 #define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */
286 #define STD 0x04 /* cmd: start dma mode */
287 #define IRQD 0x02 /* mod: irq disable */
288 #define NOCOM 0x01 /* cmd: protect sfbr while reselect */
289 /* bits 0-1 rsvd for C1010 */
293 /*40*/ u16 nc_sien; /* -->: interrupt enable */
294 /*42*/ u16 nc_sist; /* <--: interrupt status */
295 #define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */
296 #define STO 0x0400/* sta: timeout (select) */
297 #define GEN 0x0200/* sta: timeout (general) */
298 #define HTH 0x0100/* sta: timeout (handshake) */
299 #define MA 0x80 /* sta: phase mismatch */
300 #define CMP 0x40 /* sta: arbitration complete */
301 #define SEL 0x20 /* sta: selected by another device */
302 #define RSL 0x10 /* sta: reselected by another device*/
303 #define SGE 0x08 /* sta: gross error (over/underflow)*/
304 #define UDC 0x04 /* sta: unexpected disconnect */
305 #define RST 0x02 /* sta: scsi bus reset detected */
306 #define PAR 0x01 /* sta: scsi parity error */
312 /*48*/ u8 nc_stime0; /* cmd: timeout for select&handshake*/
313 /*49*/ u8 nc_stime1; /* cmd: timeout user defined */
314 /*4a*/ u16 nc_respid; /* sta: Reselect-IDs */
319 #define SCLK 0x80 /* Use the PCI clock as SCSI clock */
320 #define DBLEN 0x08 /* clock doubler running */
321 #define DBLSEL 0x04 /* clock doubler selected */
325 #define ROF 0x40 /* reset scsi offset (after gross error!) */
326 #define EXT 0x02 /* extended filtering */
329 #define TE 0x80 /* c: tolerAnt enable */
330 #define HSC 0x20 /* c: Halt SCSI Clock */
331 #define CSF 0x02 /* c: clear scsi fifo */
333 /*50*/ u16 nc_sidl; /* Lowlevel: latched from scsi data */
335 #define SMODE 0xc0 /* SCSI bus mode (895/6 only) */
336 #define SMODE_HVD 0x40 /* High Voltage Differential */
337 #define SMODE_SE 0x80 /* Single Ended */
338 #define SMODE_LVD 0xc0 /* Low Voltage Differential */
339 #define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */
340 /* bits 0-5 rsvd for C1010 */
343 /*54*/ u16 nc_sodl; /* Lowlevel: data out to scsi data */
344 /*56*/ u8 nc_ccntl0; /* Chip Control 0 (896) */
345 #define ENPMJ 0x80 /* Enable Phase Mismatch Jump */
346 #define PMJCTL 0x40 /* Phase Mismatch Jump Control */
347 #define ENNDJ 0x20 /* Enable Non Data PM Jump */
348 #define DISFC 0x10 /* Disable Auto FIFO Clear */
349 #define DILS 0x02 /* Disable Internal Load/Store */
350 #define DPR 0x01 /* Disable Pipe Req */
352 /*57*/ u8 nc_ccntl1; /* Chip Control 1 (896) */
353 #define ZMOD 0x80 /* High Impedance Mode */
354 #define DDAC 0x08 /* Disable Dual Address Cycle */
355 #define XTIMOD 0x04 /* 64-bit Table Ind. Indexing Mode */
356 #define EXTIBMV 0x02 /* Enable 64-bit Table Ind. BMOV */
357 #define EXDBMV 0x01 /* Enable 64-bit Direct BMOV */
359 /*58*/ u16 nc_sbdl; /* Lowlevel: data from scsi data */
362 /*5c*/ u8 nc_scr0; /* Working register B */
367 /*60*/ u8 nc_scrx[64]; /* Working register C-R */
368 /*a0*/ u32 nc_mmrs; /* Memory Move Read Selector */
369 /*a4*/ u32 nc_mmws; /* Memory Move Write Selector */
370 /*a8*/ u32 nc_sfs; /* Script Fetch Selector */
371 /*ac*/ u32 nc_drs; /* DSA Relative Selector */
372 /*b0*/ u32 nc_sbms; /* Static Block Move Selector */
373 /*b4*/ u32 nc_dbms; /* Dynamic Block Move Selector */
374 /*b8*/ u32 nc_dnad64; /* DMA Next Address 64 */
375 /*bc*/ u16 nc_scntl4; /* C1010 only */
376 #define U3EN 0x80 /* Enable Ultra 3 */
377 #define AIPCKEN 0x40 /* AIP checking enable */
378 /* Also enable AIP generation on C10-33*/
379 #define XCLKH_DT 0x08 /* Extra clock of data hold on DT edge */
380 #define XCLKH_ST 0x04 /* Extra clock of data hold on ST edge */
381 #define XCLKS_DT 0x02 /* Extra clock of data set on DT edge */
382 #define XCLKS_ST 0x01 /* Extra clock of data set on ST edge */
383 /*be*/ u8 nc_aipcntl0; /* AIP Control 0 C1010 only */
384 /*bf*/ u8 nc_aipcntl1; /* AIP Control 1 C1010 only */
385 #define DISAIP 0x08 /* Disable AIP generation C10-66 only */
386 /*c0*/ u32 nc_pmjad1; /* Phase Mismatch Jump Address 1 */
387 /*c4*/ u32 nc_pmjad2; /* Phase Mismatch Jump Address 2 */
388 /*c8*/ u8 nc_rbc; /* Remaining Byte Count */
393 /*cc*/ u8 nc_ua; /* Updated Address */
397 /*d0*/ u32 nc_esa; /* Entry Storage Address */
398 /*d4*/ u8 nc_ia; /* Instruction Address */
402 /*d8*/ u32 nc_sbc; /* SCSI Byte Count (3 bytes only) */
403 /*dc*/ u32 nc_csbc; /* Cumulative SCSI Byte Count */
404 /* Following for C1010 only */
405 /*e0*/ u16 nc_crcpad; /* CRC Value */
406 /*e2*/ u8 nc_crccntl0; /* CRC control register */
407 #define SNDCRC 0x10 /* Send CRC Request */
408 /*e3*/ u8 nc_crccntl1; /* CRC control register */
409 /*e4*/ u32 nc_crcdata; /* CRC data register */
412 /*f0*/ u16 nc_dfbc; /* DMA FIFO byte count */
415 /*-----------------------------------------------------------
417 * Utility macros for the script.
419 *-----------------------------------------------------------
422 #define REGJ(p,r) (offsetof(struct sym_reg, p ## r))
423 #define REG(r) REGJ (nc_, r)
425 /*-----------------------------------------------------------
429 *-----------------------------------------------------------
432 #define SCR_DATA_OUT 0x00000000
433 #define SCR_DATA_IN 0x01000000
434 #define SCR_COMMAND 0x02000000
435 #define SCR_STATUS 0x03000000
436 #define SCR_DT_DATA_OUT 0x04000000
437 #define SCR_DT_DATA_IN 0x05000000
438 #define SCR_MSG_OUT 0x06000000
439 #define SCR_MSG_IN 0x07000000
440 /* DT phases are illegal for non Ultra3 mode */
441 #define SCR_ILG_OUT 0x04000000
442 #define SCR_ILG_IN 0x05000000
444 /*-----------------------------------------------------------
446 * Data transfer via SCSI.
448 *-----------------------------------------------------------
459 *-----------------------------------------------------------
462 #define OPC_MOVE 0x08000000
464 #define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l))
465 /* #define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l)) */
466 #define SCR_MOVE_TBL (0x10000000 | OPC_MOVE)
468 #define SCR_CHMOV_ABS(l) ((0x00000000) | (l))
469 /* #define SCR_CHMOV_IND(l) ((0x20000000) | (l)) */
470 #define SCR_CHMOV_TBL (0x10000000)
472 #ifdef SYM_CONF_TARGET_ROLE_SUPPORT
473 /* We steal the `indirect addressing' flag for target mode MOVE in scripts */
475 #define OPC_TCHMOVE 0x08000000
477 #define SCR_TCHMOVE_ABS(l) ((0x20000000 | OPC_TCHMOVE) | (l))
478 #define SCR_TCHMOVE_TBL (0x30000000 | OPC_TCHMOVE)
480 #define SCR_TMOV_ABS(l) ((0x20000000) | (l))
481 #define SCR_TMOV_TBL (0x30000000)
489 /*-----------------------------------------------------------
493 *-----------------------------------------------------------
495 * SEL_ABS | SCR_ID (0..15) [ | REL_JMP]
496 * <<alternate_address>>
498 * SEL_TBL | << dnad_offset>> [ | REL_JMP]
499 * <<alternate_address>>
501 *-----------------------------------------------------------
504 #define SCR_SEL_ABS 0x40000000
505 #define SCR_SEL_ABS_ATN 0x41000000
506 #define SCR_SEL_TBL 0x42000000
507 #define SCR_SEL_TBL_ATN 0x43000000
509 #ifdef SYM_CONF_TARGET_ROLE_SUPPORT
510 #define SCR_RESEL_ABS 0x40000000
511 #define SCR_RESEL_ABS_ATN 0x41000000
512 #define SCR_RESEL_TBL 0x42000000
513 #define SCR_RESEL_TBL_ATN 0x43000000
517 u_char sel_scntl4; /* C1010 only */
523 #define SCR_JMP_REL 0x04000000
524 #define SCR_ID(id) (((u32)(id)) << 16)
526 /*-----------------------------------------------------------
528 * Waiting for Disconnect or Reselect
530 *-----------------------------------------------------------
533 * dummy: <<alternate_address>>
536 * <<alternate_address>>
538 *-----------------------------------------------------------
541 #define SCR_WAIT_DISC 0x48000000
542 #define SCR_WAIT_RESEL 0x50000000
544 #ifdef SYM_CONF_TARGET_ROLE_SUPPORT
545 #define SCR_DISCONNECT 0x48000000
548 /*-----------------------------------------------------------
552 *-----------------------------------------------------------
558 *-----------------------------------------------------------
561 #define SCR_SET(f) (0x58000000 | (f))
562 #define SCR_CLR(f) (0x60000000 | (f))
564 #define SCR_CARRY 0x00000400
565 #define SCR_TRG 0x00000200
566 #define SCR_ACK 0x00000040
567 #define SCR_ATN 0x00000008
570 /*-----------------------------------------------------------
572 * Memory to memory move
574 *-----------------------------------------------------------
577 * << source_address >>
578 * << destination_address >>
580 * SCR_COPY sets the NO FLUSH option by default.
581 * SCR_COPY_F does not set this option.
583 * For chips which do not support this option,
584 * sym_fw_bind_script() will remove this bit.
586 *-----------------------------------------------------------
589 #define SCR_NO_FLUSH 0x01000000
591 #define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
592 #define SCR_COPY_F(n) (0xc0000000 | (n))
594 /*-----------------------------------------------------------
596 * Register move and binary operations
598 *-----------------------------------------------------------
600 * SFBR_REG (reg, op, data) reg = SFBR op data
603 * REG_SFBR (reg, op, data) SFBR = reg op data
606 * REG_REG (reg, op, data) reg = reg op data
609 *-----------------------------------------------------------
611 * On 825A, 875, 895 and 896 chips the content
612 * of SFBR register can be used as data (SCR_SFBR_DATA).
613 * The 896 has additionnal IO registers starting at
614 * offset 0x80. Bit 7 of register offset is stored in
615 * bit 7 of the SCRIPTS instruction first DWORD.
617 *-----------------------------------------------------------
620 #define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul) + ((ofs) & 0x80))
622 #define SCR_SFBR_REG(reg,op,data) \
623 (0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
625 #define SCR_REG_SFBR(reg,op,data) \
626 (0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
628 #define SCR_REG_REG(reg,op,data) \
629 (0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
632 #define SCR_LOAD 0x00000000
633 #define SCR_SHL 0x01000000
634 #define SCR_OR 0x02000000
635 #define SCR_XOR 0x03000000
636 #define SCR_AND 0x04000000
637 #define SCR_SHR 0x05000000
638 #define SCR_ADD 0x06000000
639 #define SCR_ADDC 0x07000000
641 #define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */
643 /*-----------------------------------------------------------
645 * FROM_REG (reg) SFBR = reg
648 * TO_REG (reg) reg = SFBR
651 * LOAD_REG (reg, data) reg = <data>
654 * LOAD_SFBR(data) SFBR = <data>
657 *-----------------------------------------------------------
660 #define SCR_FROM_REG(reg) \
661 SCR_REG_SFBR(reg,SCR_OR,0)
663 #define SCR_TO_REG(reg) \
664 SCR_SFBR_REG(reg,SCR_OR,0)
666 #define SCR_LOAD_REG(reg,data) \
667 SCR_REG_REG(reg,SCR_LOAD,data)
669 #define SCR_LOAD_SFBR(data) \
670 (SCR_REG_SFBR (gpreg, SCR_LOAD, data))
672 /*-----------------------------------------------------------
674 * LOAD from memory to register.
675 * STORE from register to memory.
677 * Only supported by 810A, 860, 825A, 875, 895 and 896.
679 *-----------------------------------------------------------
684 * LOAD_REL (LEN) (DSA relative)
687 *-----------------------------------------------------------
690 #define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul)
691 #define SCR_NO_FLUSH2 0x02000000
692 #define SCR_DSA_REL2 0x10000000
694 #define SCR_LOAD_R(reg, how, n) \
695 (0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))
697 #define SCR_STORE_R(reg, how, n) \
698 (0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))
700 #define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n)
701 #define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n)
702 #define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n)
703 #define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n)
705 #define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n)
706 #define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n)
707 #define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n)
708 #define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n)
711 /*-----------------------------------------------------------
713 * Waiting for Disconnect or Reselect
715 *-----------------------------------------------------------
717 * JUMP [ | IFTRUE/IFFALSE ( ... ) ]
720 * JUMPR [ | IFTRUE/IFFALSE ( ... ) ]
723 * CALL [ | IFTRUE/IFFALSE ( ... ) ]
726 * CALLR [ | IFTRUE/IFFALSE ( ... ) ]
729 * RETURN [ | IFTRUE/IFFALSE ( ... ) ]
732 * INT [ | IFTRUE/IFFALSE ( ... ) ]
735 * INT_FLY [ | IFTRUE/IFFALSE ( ... ) ]
744 *-----------------------------------------------------------
747 #define SCR_NO_OP 0x80000000
748 #define SCR_JUMP 0x80080000
749 #define SCR_JUMP64 0x80480000
750 #define SCR_JUMPR 0x80880000
751 #define SCR_CALL 0x88080000
752 #define SCR_CALLR 0x88880000
753 #define SCR_RETURN 0x90080000
754 #define SCR_INT 0x98080000
755 #define SCR_INT_FLY 0x98180000
757 #define IFFALSE(arg) (0x00080000 | (arg))
758 #define IFTRUE(arg) (0x00000000 | (arg))
760 #define WHEN(phase) (0x00030000 | (phase))
761 #define IF(phase) (0x00020000 | (phase))
763 #define DATA(D) (0x00040000 | ((D) & 0xff))
764 #define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff))
766 #define CARRYSET (0x00200000)
768 /*-----------------------------------------------------------
772 *-----------------------------------------------------------
779 #define M_COMPLETE (0x00)
780 #define M_EXTENDED (0x01)
781 #define M_SAVE_DP (0x02)
782 #define M_RESTORE_DP (0x03)
783 #define M_DISCONNECT (0x04)
784 #define M_ID_ERROR (0x05)
785 #define M_ABORT (0x06)
786 #define M_REJECT (0x07)
787 #define M_NOOP (0x08)
788 #define M_PARITY (0x09)
789 #define M_LCOMPLETE (0x0a)
790 #define M_FCOMPLETE (0x0b)
791 #define M_RESET (0x0c)
792 #define M_ABORT_TAG (0x0d)
793 #define M_CLEAR_QUEUE (0x0e)
794 #define M_INIT_REC (0x0f)
795 #define M_REL_REC (0x10)
796 #define M_TERMINATE (0x11)
797 #define M_SIMPLE_TAG (0x20)
798 #define M_HEAD_TAG (0x21)
799 #define M_ORDERED_TAG (0x22)
800 #define M_IGN_RESIDUE (0x23)
801 #define M_IDENTIFY (0x80)
803 #define M_X_MODIFY_DP (0x00)
804 #define M_X_SYNC_REQ (0x01)
805 #define M_X_WIDE_REQ (0x03)
806 #define M_X_PPR_REQ (0x04)
809 * PPR protocol options
811 #define PPR_OPT_IU (0x01)
812 #define PPR_OPT_DT (0x02)
813 #define PPR_OPT_QAS (0x04)
814 #define PPR_OPT_MASK (0x07)
820 #define S_GOOD (0x00)
821 #define S_CHECK_COND (0x02)
822 #define S_COND_MET (0x04)
823 #define S_BUSY (0x08)
825 #define S_INT_COND_MET (0x14)
826 #define S_CONFLICT (0x18)
827 #define S_TERMINATED (0x20)
828 #define S_QUEUE_FULL (0x28)
829 #define S_ILLEGAL (0xff)
831 #endif /* defined SYM_DEFS_H */