1 /* SPDX-License-Identifier: GPL-2.0 */
2 /************************************************************************/
6 /* Device Driver for Tekram DC395(U/UW/F), DC315(U) */
7 /* PCI SCSI Bus Master Host Adapter */
8 /* (SCSI chip set used Tekram ASIC TRM-S1040) */
10 /************************************************************************/
14 /************************************************************************/
18 /************************************************************************/
19 #define DC395x_MAX_CMD_QUEUE 32
20 /* #define DC395x_MAX_QTAGS 32 */
21 #define DC395x_MAX_QTAGS 16
22 #define DC395x_MAX_SCSI_ID 16
23 #define DC395x_MAX_CMD_PER_LUN DC395x_MAX_QTAGS
24 #define DC395x_MAX_SG_TABLESIZE 64 /* HW limitation */
25 #define DC395x_MAX_SG_LISTENTRY 64 /* Must be equal or lower to previous */
27 #define DC395x_MAX_SRB_CNT 63
28 /* #define DC395x_MAX_CAN_QUEUE 7 * DC395x_MAX_QTAGS */
29 #define DC395x_MAX_CAN_QUEUE DC395x_MAX_SRB_CNT
30 #define DC395x_END_SCAN 2
31 #define DC395x_SEL_TIMEOUT 153 /* 250 ms selection timeout (@ 40 MHz) */
32 #define DC395x_MAX_RETRIES 3
38 #define NORM_REC_LVL 0
40 /************************************************************************/
42 /* Various definitions */
44 /************************************************************************/
45 #define BIT31 0x80000000
46 #define BIT30 0x40000000
47 #define BIT29 0x20000000
48 #define BIT28 0x10000000
49 #define BIT27 0x08000000
50 #define BIT26 0x04000000
51 #define BIT25 0x02000000
52 #define BIT24 0x01000000
53 #define BIT23 0x00800000
54 #define BIT22 0x00400000
55 #define BIT21 0x00200000
56 #define BIT20 0x00100000
57 #define BIT19 0x00080000
58 #define BIT18 0x00040000
59 #define BIT17 0x00020000
60 #define BIT16 0x00010000
61 #define BIT15 0x00008000
62 #define BIT14 0x00004000
63 #define BIT13 0x00002000
64 #define BIT12 0x00001000
65 #define BIT11 0x00000800
66 #define BIT10 0x00000400
67 #define BIT9 0x00000200
68 #define BIT8 0x00000100
69 #define BIT7 0x00000080
70 #define BIT6 0x00000040
71 #define BIT5 0x00000020
72 #define BIT4 0x00000010
73 #define BIT3 0x00000008
74 #define BIT2 0x00000004
75 #define BIT1 0x00000002
76 #define BIT0 0x00000001
79 #define UNIT_ALLOCATED BIT0
80 #define UNIT_INFO_CHANGED BIT1
81 #define FORMATING_MEDIA BIT2
82 #define UNIT_RETRY BIT3
85 #define DASD_SUPPORT BIT0
86 #define SCSI_SUPPORT BIT1
87 #define ASPI_SUPPORT BIT2
89 /* SRBState machine definition */
90 #define SRB_FREE 0x0000
91 #define SRB_WAIT 0x0001
92 #define SRB_READY 0x0002
93 #define SRB_MSGOUT 0x0004 /* arbitration+msg_out 1st byte */
94 #define SRB_MSGIN 0x0008
95 #define SRB_EXTEND_MSGIN 0x0010
96 #define SRB_COMMAND 0x0020
97 #define SRB_START_ 0x0040 /* arbitration+msg_out+command_out */
98 #define SRB_DISCONNECT 0x0080
99 #define SRB_DATA_XFER 0x0100
100 #define SRB_XFERPAD 0x0200
101 #define SRB_STATUS 0x0400
102 #define SRB_COMPLETED 0x0800
103 #define SRB_ABORT_SENT 0x1000
104 #define SRB_DO_SYNC_NEGO 0x2000
105 #define SRB_DO_WIDE_NEGO 0x4000
106 #define SRB_UNEXPECT_RESEL 0x8000
108 /************************************************************************/
112 /************************************************************************/
113 #define HCC_WIDE_CARD 0x20
114 #define HCC_SCSI_RESET 0x10
115 #define HCC_PARITY 0x08
116 #define HCC_AUTOTERM 0x04
117 #define HCC_LOW8TERM 0x02
118 #define HCC_UP8TERM 0x01
121 #define RESET_DEV BIT0
122 #define RESET_DETECT BIT1
123 #define RESET_DONE BIT2
126 #define ABORT_DEV_ BIT0
130 #define ABORTION BIT1
131 #define OVER_RUN BIT2
132 #define UNDER_RUN BIT3
133 #define PARITY_ERROR BIT4
134 #define SRB_ERROR BIT5
139 #define RESIDUAL_VALID BIT5
140 #define ENABLE_TIMER BIT4
141 #define RESET_DEV0 BIT2
142 #define ABORT_DEV BIT1
143 #define AUTO_REQSENSE BIT0
146 #define H_STATUS_GOOD 0
147 #define H_SEL_TIMEOUT 0x11
148 #define H_OVER_UNDER_RUN 0x12
149 #define H_UNEXP_BUS_FREE 0x13
150 #define H_TARGET_PHASE_F 0x14
151 #define H_INVALID_CCB_OP 0x16
152 #define H_LINK_CCB_BAD 0x17
153 #define H_BAD_TARGET_DIR 0x18
154 #define H_DUPLICATE_CCB 0x19
155 #define H_BAD_CCB_OR_SG 0x1A
156 #define H_ABORT 0x0FF
158 /* SCSI BUS Status byte codes */
159 #define SCSI_STAT_GOOD 0x0 /* Good status */
160 #define SCSI_STAT_CHECKCOND 0x02 /* SCSI Check Condition */
161 #define SCSI_STAT_CONDMET 0x04 /* Condition Met */
162 #define SCSI_STAT_BUSY 0x08 /* Target busy status */
163 #define SCSI_STAT_INTER 0x10 /* Intermediate status */
164 #define SCSI_STAT_INTERCONDMET 0x14 /* Intermediate condition met */
165 #define SCSI_STAT_RESCONFLICT 0x18 /* Reservation conflict */
166 #define SCSI_STAT_CMDTERM 0x22 /* Command Terminated */
167 #define SCSI_STAT_QUEUEFULL 0x28 /* Queue Full */
168 #define SCSI_STAT_UNEXP_BUS_F 0xFD /* Unexpect Bus Free */
169 #define SCSI_STAT_BUS_RST_DETECT 0xFE /* Scsi Bus Reset detected */
170 #define SCSI_STAT_SEL_TIMEOUT 0xFF /* Selection Time out */
173 #define SYNC_WIDE_TAG_ATNT_DISABLE 0
174 #define SYNC_NEGO_ENABLE BIT0
175 #define SYNC_NEGO_DONE BIT1
176 #define WIDE_NEGO_ENABLE BIT2
177 #define WIDE_NEGO_DONE BIT3
178 #define WIDE_NEGO_STATE BIT4
179 #define EN_TAG_QUEUEING BIT5
180 #define EN_ATN_STOP BIT6
182 #define SYNC_NEGO_OFFSET 15
185 #define MSG_COMPLETE 0x00
186 #define MSG_EXTENDED 0x01
187 #define MSG_SAVE_PTR 0x02
188 #define MSG_RESTORE_PTR 0x03
189 #define MSG_DISCONNECT 0x04
190 #define MSG_INITIATOR_ERROR 0x05
191 #define MSG_ABORT 0x06
192 #define MSG_REJECT_ 0x07
194 #define MSG_PARITY_ERROR 0x09
195 #define MSG_LINK_CMD_COMPL 0x0A
196 #define MSG_LINK_CMD_COMPL_FLG 0x0B
197 #define MSG_BUS_RESET 0x0C
198 #define MSG_ABORT_TAG 0x0D
199 #define MSG_SIMPLE_QTAG 0x20
200 #define MSG_HEAD_QTAG 0x21
201 #define MSG_ORDER_QTAG 0x22
202 #define MSG_IGNOREWIDE 0x23
203 #define MSG_IDENTIFY 0x80
204 #define MSG_HOST_ID 0xC0
206 /* SCSI STATUS BYTE */
207 #define STATUS_GOOD 0x00
208 #define CHECK_CONDITION_ 0x02
209 #define STATUS_BUSY 0x08
210 #define STATUS_INTERMEDIATE 0x10
211 #define RESERVE_CONFLICT 0x18
214 #define STATUS_MASK_ 0xFF
215 #define MSG_MASK 0xFF00
216 #define RETURN_MASK 0xFF0000
218 /************************************************************************/
220 /* Inquiry Data format */
222 /************************************************************************/
225 u8 DevType; /* Periph Qualifier & Periph Dev Type */
226 u8 RMB_TypeMod; /* rem media bit & Dev Type Modifier */
227 u8 Vers; /* ISO, ECMA, & ANSI versions */
228 u8 RDF; /* AEN, TRMIOP, & response data format */
229 u8 AddLen; /* length of additional data */
230 u8 Res1; /* reserved */
231 u8 Res2; /* reserved */
232 u8 Flags; /* RelADr, Wbus32, Wbus16, Sync, etc. */
233 u8 VendorID[8]; /* Vendor Identification */
234 u8 ProductID[16]; /* Product Identification */
235 u8 ProductRev[4]; /* Product Revision */
238 /* Inquiry byte 0 masks */
239 #define SCSI_DEVTYPE 0x1F /* Peripheral Device Type */
240 #define SCSI_PERIPHQUAL 0xE0 /* Peripheral Qualifier */
241 /* Inquiry byte 1 mask */
242 #define SCSI_REMOVABLE_MEDIA 0x80 /* Removable Media bit (1=removable) */
243 /* Peripheral Device Type definitions */
244 /* See include/scsi/scsi.h */
245 #define TYPE_NODEV SCSI_DEVTYPE /* Unknown or no device type */
246 #ifndef TYPE_PRINTER /* */
247 # define TYPE_PRINTER 0x02 /* Printer device */
249 #ifndef TYPE_COMM /* */
250 # define TYPE_COMM 0x09 /* Communications device */
253 /************************************************************************/
255 /* Inquiry flag definitions (Inq data byte 7) */
257 /************************************************************************/
258 #define SCSI_INQ_RELADR 0x80 /* device supports relative addressing */
259 #define SCSI_INQ_WBUS32 0x40 /* device supports 32 bit data xfers */
260 #define SCSI_INQ_WBUS16 0x20 /* device supports 16 bit data xfers */
261 #define SCSI_INQ_SYNC 0x10 /* device supports synchronous xfer */
262 #define SCSI_INQ_LINKED 0x08 /* device supports linked commands */
263 #define SCSI_INQ_CMDQUEUE 0x02 /* device supports command queueing */
264 #define SCSI_INQ_SFTRE 0x01 /* device supports soft resets */
268 #define EEPROM_READ 0x80
270 /************************************************************************/
272 /* The PCI configuration register offset for TRM_S1040 */
274 /************************************************************************/
275 #define TRM_S1040_ID 0x00 /* Vendor and Device ID */
276 #define TRM_S1040_COMMAND 0x04 /* PCI command register */
277 #define TRM_S1040_IOBASE 0x10 /* I/O Space base address */
278 #define TRM_S1040_ROMBASE 0x30 /* Expansion ROM Base Address */
279 #define TRM_S1040_INTLINE 0x3C /* Interrupt line */
281 /************************************************************************/
283 /* The SCSI register offset for TRM_S1040 */
285 /************************************************************************/
286 #define TRM_S1040_SCSI_STATUS 0x80 /* SCSI Status (R) */
287 #define COMMANDPHASEDONE 0x2000 /* SCSI command phase done */
288 #define SCSIXFERDONE 0x0800 /* SCSI SCSI transfer done */
289 #define SCSIXFERCNT_2_ZERO 0x0100 /* SCSI SCSI transfer count to zero */
290 #define SCSIINTERRUPT 0x0080 /* SCSI interrupt pending */
291 #define COMMANDABORT 0x0040 /* SCSI command abort */
292 #define SEQUENCERACTIVE 0x0020 /* SCSI sequencer active */
293 #define PHASEMISMATCH 0x0010 /* SCSI phase mismatch */
294 #define PARITYERROR 0x0008 /* SCSI parity error */
296 #define PHASEMASK 0x0007 /* Phase MSG/CD/IO */
297 #define PH_DATA_OUT 0x00 /* Data out phase */
298 #define PH_DATA_IN 0x01 /* Data in phase */
299 #define PH_COMMAND 0x02 /* Command phase */
300 #define PH_STATUS 0x03 /* Status phase */
301 #define PH_BUS_FREE 0x05 /* Invalid phase used as bus free */
302 #define PH_MSG_OUT 0x06 /* Message out phase */
303 #define PH_MSG_IN 0x07 /* Message in phase */
305 #define TRM_S1040_SCSI_CONTROL 0x80 /* SCSI Control (W) */
306 #define DO_CLRATN 0x0400 /* Clear ATN */
307 #define DO_SETATN 0x0200 /* Set ATN */
308 #define DO_CMDABORT 0x0100 /* Abort SCSI command */
309 #define DO_RSTMODULE 0x0010 /* Reset SCSI chip */
310 #define DO_RSTSCSI 0x0008 /* Reset SCSI bus */
311 #define DO_CLRFIFO 0x0004 /* Clear SCSI transfer FIFO */
312 #define DO_DATALATCH 0x0002 /* Enable SCSI bus data input (latched) */
313 /* #define DO_DATALATCH 0x0000 */ /* KG: DISable SCSI bus data latch */
314 #define DO_HWRESELECT 0x0001 /* Enable hardware reselection */
316 #define TRM_S1040_SCSI_FIFOCNT 0x82 /* SCSI FIFO Counter 5bits(R) */
317 #define TRM_S1040_SCSI_SIGNAL 0x83 /* SCSI low level signal (R/W) */
319 #define TRM_S1040_SCSI_INTSTATUS 0x84 /* SCSI Interrupt Status (R) */
320 #define INT_SCAM 0x80 /* SCAM selection interrupt */
321 #define INT_SELECT 0x40 /* Selection interrupt */
322 #define INT_SELTIMEOUT 0x20 /* Selection timeout interrupt */
323 #define INT_DISCONNECT 0x10 /* Bus disconnected interrupt */
324 #define INT_RESELECTED 0x08 /* Reselected interrupt */
325 #define INT_SCSIRESET 0x04 /* SCSI reset detected interrupt */
326 #define INT_BUSSERVICE 0x02 /* Bus service interrupt */
327 #define INT_CMDDONE 0x01 /* SCSI command done interrupt */
329 #define TRM_S1040_SCSI_OFFSET 0x84 /* SCSI Offset Count (W) */
331 /************************************************************************/
333 /* Bit Name Definition */
334 /* --------- ------------- ---------------------------- */
335 /* 07-05 0 RSVD Reversed. Always 0. */
336 /* 04 0 OFFSET4 Reversed for LVDS. Always 0. */
337 /* 03-00 0 OFFSET[03:00] Offset number from 0 to 15 */
339 /************************************************************************/
341 #define TRM_S1040_SCSI_SYNC 0x85 /* SCSI Synchronous Control (R/W) */
342 #define LVDS_SYNC 0x20 /* Enable LVDS synchronous */
343 #define WIDE_SYNC 0x10 /* Enable WIDE synchronous */
344 #define ALT_SYNC 0x08 /* Enable Fast-20 alternate synchronous */
346 /************************************************************************/
348 /* SYNCM 7 6 5 4 3 2 1 0 */
349 /* Name RSVD RSVD LVDS WIDE ALTPERD PERIOD2 PERIOD1 PERIOD0 */
350 /* Default 0 0 0 0 0 0 0 0 */
352 /* Bit Name Definition */
353 /* --------- ------------- --------------------------- */
354 /* 07-06 0 RSVD Reversed. Always read 0 */
355 /* 05 0 LVDS Reversed. Always read 0 */
356 /* 04 0 WIDE/WSCSI Enable wide (16-bits) SCSI */
358 /* 03 0 ALTPERD/ALTPD Alternate (Sync./Period) mode. */
360 /* @@ When this bit is set, */
361 /* the synchronous period bits 2:0 */
362 /* in the Synchronous Mode register */
363 /* are used to transfer data */
364 /* at the Fast-20 rate. */
365 /* @@ When this bit is unset, */
366 /* the synchronous period bits 2:0 */
367 /* in the Synchronous Mode Register */
368 /* are used to transfer data */
369 /* at the Fast-10 rate (or Fast-40 w/ LVDS). */
371 /* 02-00 0 PERIOD[2:0]/ Synchronous SCSI Transfer Rate. */
372 /* SXPD[02:00] These 3 bits specify */
373 /* the Synchronous SCSI Transfer */
374 /* Rate for Fast-20 and Fast-10. */
375 /* These bits are also reset */
376 /* by a SCSI Bus reset. */
378 /* For Fast-10 bit ALTPD = 0 and LVDS = 0 */
379 /* and bit2,bit1,bit0 is defined as follows : */
381 /* 000 100ns, 10.0 MHz */
382 /* 001 150ns, 6.6 MHz */
383 /* 010 200ns, 5.0 MHz */
384 /* 011 250ns, 4.0 MHz */
385 /* 100 300ns, 3.3 MHz */
386 /* 101 350ns, 2.8 MHz */
387 /* 110 400ns, 2.5 MHz */
388 /* 111 450ns, 2.2 MHz */
390 /* For Fast-20 bit ALTPD = 1 and LVDS = 0 */
391 /* and bit2,bit1,bit0 is defined as follows : */
393 /* 000 50ns, 20.0 MHz */
394 /* 001 75ns, 13.3 MHz */
395 /* 010 100ns, 10.0 MHz */
396 /* 011 125ns, 8.0 MHz */
397 /* 100 150ns, 6.6 MHz */
398 /* 101 175ns, 5.7 MHz */
399 /* 110 200ns, 5.0 MHz */
400 /* 111 250ns, 4.0 MHz KG: Maybe 225ns, 4.4 MHz */
402 /* For Fast-40 bit ALTPD = 0 and LVDS = 1 */
403 /* and bit2,bit1,bit0 is defined as follows : */
405 /* 000 25ns, 40.0 MHz */
406 /* 001 50ns, 20.0 MHz */
407 /* 010 75ns, 13.3 MHz */
408 /* 011 100ns, 10.0 MHz */
409 /* 100 125ns, 8.0 MHz */
410 /* 101 150ns, 6.6 MHz */
411 /* 110 175ns, 5.7 MHz */
412 /* 111 200ns, 5.0 MHz */
414 /************************************************************************/
416 #define TRM_S1040_SCSI_TARGETID 0x86 /* SCSI Target ID (R/W) */
417 #define TRM_S1040_SCSI_IDMSG 0x87 /* SCSI Identify Message (R) */
418 #define TRM_S1040_SCSI_HOSTID 0x87 /* SCSI Host ID (W) */
419 #define TRM_S1040_SCSI_COUNTER 0x88 /* SCSI Transfer Counter 24bits(R/W) */
421 #define TRM_S1040_SCSI_INTEN 0x8C /* SCSI Interrupt Enable (R/W) */
422 #define EN_SCAM 0x80 /* Enable SCAM selection interrupt */
423 #define EN_SELECT 0x40 /* Enable selection interrupt */
424 #define EN_SELTIMEOUT 0x20 /* Enable selection timeout interrupt */
425 #define EN_DISCONNECT 0x10 /* Enable bus disconnected interrupt */
426 #define EN_RESELECTED 0x08 /* Enable reselected interrupt */
427 #define EN_SCSIRESET 0x04 /* Enable SCSI reset detected interrupt */
428 #define EN_BUSSERVICE 0x02 /* Enable bus service interrupt */
429 #define EN_CMDDONE 0x01 /* Enable SCSI command done interrupt */
431 #define TRM_S1040_SCSI_CONFIG0 0x8D /* SCSI Configuration 0 (R/W) */
432 #define PHASELATCH 0x40 /* Enable phase latch */
433 #define INITIATOR 0x20 /* Enable initiator mode */
434 #define PARITYCHECK 0x10 /* Enable parity check */
435 #define BLOCKRST 0x01 /* Disable SCSI reset1 */
437 #define TRM_S1040_SCSI_CONFIG1 0x8E /* SCSI Configuration 1 (R/W) */
438 #define ACTIVE_NEGPLUS 0x10 /* Enhance active negation */
439 #define FILTER_DISABLE 0x08 /* Disable SCSI data filter */
440 #define FAST_FILTER 0x04 /* ? */
441 #define ACTIVE_NEG 0x02 /* Enable active negation */
443 #define TRM_S1040_SCSI_CONFIG2 0x8F /* SCSI Configuration 2 (R/W) */
444 #define CFG2_WIDEFIFO 0x02 /* */
446 #define TRM_S1040_SCSI_COMMAND 0x90 /* SCSI Command (R/W) */
447 #define SCMD_COMP 0x12 /* Command complete */
448 #define SCMD_SEL_ATN 0x60 /* Selection with ATN */
449 #define SCMD_SEL_ATN3 0x64 /* Selection with ATN3 */
450 #define SCMD_SEL_ATNSTOP 0xB8 /* Selection with ATN and Stop */
451 #define SCMD_FIFO_OUT 0xC0 /* SCSI FIFO transfer out */
452 #define SCMD_DMA_OUT 0xC1 /* SCSI DMA transfer out */
453 #define SCMD_FIFO_IN 0xC2 /* SCSI FIFO transfer in */
454 #define SCMD_DMA_IN 0xC3 /* SCSI DMA transfer in */
455 #define SCMD_MSGACCEPT 0xD8 /* Message accept */
457 /************************************************************************/
459 /* Code Command Description */
460 /* ---- ---------------------------------------- */
461 /* 02 Enable reselection with FIFO */
462 /* 40 Select without ATN with FIFO */
463 /* 60 Select with ATN with FIFO */
464 /* 64 Select with ATN3 with FIFO */
465 /* A0 Select with ATN and stop with FIFO */
466 /* C0 Transfer information out with FIFO */
467 /* C1 Transfer information out with DMA */
468 /* C2 Transfer information in with FIFO */
469 /* C3 Transfer information in with DMA */
470 /* 12 Initiator command complete with FIFO */
471 /* 50 Initiator transfer information out sequence without ATN */
473 /* 70 Initiator transfer information out sequence with ATN */
475 /* 74 Initiator transfer information out sequence with ATN3 */
477 /* 52 Initiator transfer information in sequence without ATN */
479 /* 72 Initiator transfer information in sequence with ATN */
481 /* 76 Initiator transfer information in sequence with ATN3 */
483 /* 90 Initiator transfer information out command complete */
485 /* 92 Initiator transfer information in command complete */
487 /* D2 Enable selection */
489 /* 48 Disconnect command with FIFO */
490 /* 88 Terminate command with FIFO */
491 /* C8 Target command complete with FIFO */
492 /* 18 SCAM Arbitration/ Selection */
493 /* 5A Enable reselection */
494 /* 98 Select without ATN with FIFO */
495 /* B8 Select with ATN with FIFO */
496 /* D8 Message Accepted */
499 /************************************************************************/
501 #define TRM_S1040_SCSI_TIMEOUT 0x91 /* SCSI Time Out Value (R/W) */
502 #define TRM_S1040_SCSI_FIFO 0x98 /* SCSI FIFO (R/W) */
504 #define TRM_S1040_SCSI_TCR0 0x9C /* SCSI Target Control 0 (R/W) */
505 #define TCR0_WIDE_NEGO_DONE 0x8000 /* Wide nego done */
506 #define TCR0_SYNC_NEGO_DONE 0x4000 /* Synchronous nego done */
507 #define TCR0_ENABLE_LVDS 0x2000 /* Enable LVDS synchronous */
508 #define TCR0_ENABLE_WIDE 0x1000 /* Enable WIDE synchronous */
509 #define TCR0_ENABLE_ALT 0x0800 /* Enable alternate synchronous */
510 #define TCR0_PERIOD_MASK 0x0700 /* Transfer rate */
512 #define TCR0_DO_WIDE_NEGO 0x0080 /* Do wide NEGO */
513 #define TCR0_DO_SYNC_NEGO 0x0040 /* Do sync NEGO */
514 #define TCR0_DISCONNECT_EN 0x0020 /* Disconnection enable */
515 #define TCR0_OFFSET_MASK 0x001F /* Offset number */
517 #define TRM_S1040_SCSI_TCR1 0x9E /* SCSI Target Control 1 (R/W) */
518 #define MAXTAG_MASK 0x7F00 /* Maximum tags (127) */
519 #define NON_TAG_BUSY 0x0080 /* Non tag command active */
520 #define ACTTAG_MASK 0x007F /* Active tags */
522 /************************************************************************/
524 /* The DMA register offset for TRM_S1040 */
526 /************************************************************************/
527 #define TRM_S1040_DMA_COMMAND 0xA0 /* DMA Command (R/W) */
528 #define DMACMD_SG 0x02 /* Enable HW S/G support */
529 #define DMACMD_DIR 0x01 /* 1 = read from SCSI write to Host */
530 #define XFERDATAIN_SG 0x0103 /* Transfer data in w/ SG */
531 #define XFERDATAOUT_SG 0x0102 /* Transfer data out w/ SG */
532 #define XFERDATAIN 0x0101 /* Transfer data in w/o SG */
533 #define XFERDATAOUT 0x0100 /* Transfer data out w/o SG */
535 #define TRM_S1040_DMA_FIFOCNT 0xA1 /* DMA FIFO Counter (R) */
537 #define TRM_S1040_DMA_CONTROL 0xA1 /* DMA Control (W) */
538 #define DMARESETMODULE 0x10 /* Reset PCI/DMA module */
539 #define STOPDMAXFER 0x08 /* Stop DMA transfer */
540 #define ABORTXFER 0x04 /* Abort DMA transfer */
541 #define CLRXFIFO 0x02 /* Clear DMA transfer FIFO */
542 #define STARTDMAXFER 0x01 /* Start DMA transfer */
544 #define TRM_S1040_DMA_FIFOSTAT 0xA2 /* DMA FIFO Status (R) */
546 #define TRM_S1040_DMA_STATUS 0xA3 /* DMA Interrupt Status (R/W) */
547 #define XFERPENDING 0x80 /* Transfer pending */
548 #define SCSIBUSY 0x40 /* SCSI busy */
549 #define GLOBALINT 0x20 /* DMA_INTEN bit 0-4 set */
550 #define FORCEDMACOMP 0x10 /* Force DMA transfer complete */
551 #define DMAXFERERROR 0x08 /* DMA transfer error */
552 #define DMAXFERABORT 0x04 /* DMA transfer abort */
553 #define DMAXFERCOMP 0x02 /* Bus Master XFER Complete status */
554 #define SCSICOMP 0x01 /* SCSI complete interrupt */
556 #define TRM_S1040_DMA_INTEN 0xA4 /* DMA Interrupt Enable (R/W) */
557 #define EN_FORCEDMACOMP 0x10 /* Force DMA transfer complete */
558 #define EN_DMAXFERERROR 0x08 /* DMA transfer error */
559 #define EN_DMAXFERABORT 0x04 /* DMA transfer abort */
560 #define EN_DMAXFERCOMP 0x02 /* Bus Master XFER Complete status */
561 #define EN_SCSIINTR 0x01 /* Enable SCSI complete interrupt */
563 #define TRM_S1040_DMA_CONFIG 0xA6 /* DMA Configuration (R/W) */
564 #define DMA_ENHANCE 0x8000 /* Enable DMA enhance feature (SG?) */
565 #define DMA_PCI_DUAL_ADDR 0x4000 /* */
566 #define DMA_CFG_RES 0x2000 /* Always 1 */
567 #define DMA_AUTO_CLR_FIFO 0x1000 /* DISable DMA auto clear FIFO */
568 #define DMA_MEM_MULTI_READ 0x0800 /* */
569 #define DMA_MEM_WRITE_INVAL 0x0400 /* Memory write and invalidate */
570 #define DMA_FIFO_CTRL 0x0300 /* Control FIFO operation with DMA */
571 #define DMA_FIFO_HALF_HALF 0x0200 /* Keep half filled on both read/write */
573 #define TRM_S1040_DMA_XCNT 0xA8 /* DMA Transfer Counter (R/W), 24bits */
574 #define TRM_S1040_DMA_CXCNT 0xAC /* DMA Current Transfer Counter (R) */
575 #define TRM_S1040_DMA_XLOWADDR 0xB0 /* DMA Transfer Physical Low Address */
576 #define TRM_S1040_DMA_XHIGHADDR 0xB4 /* DMA Transfer Physical High Address */
578 /************************************************************************/
580 /* The general register offset for TRM_S1040 */
582 /************************************************************************/
583 #define TRM_S1040_GEN_CONTROL 0xD4 /* Global Control */
584 #define CTRL_LED 0x80 /* Control onboard LED */
585 #define EN_EEPROM 0x10 /* Enable EEPROM programming */
586 #define DIS_TERM 0x08 /* Disable onboard termination */
587 #define AUTOTERM 0x04 /* Enable Auto SCSI terminator */
588 #define LOW8TERM 0x02 /* Enable Lower 8 bit SCSI terminator */
589 #define UP8TERM 0x01 /* Enable Upper 8 bit SCSI terminator */
591 #define TRM_S1040_GEN_STATUS 0xD5 /* Global Status */
592 #define GTIMEOUT 0x80 /* Global timer reach 0 */
593 #define EXT68HIGH 0x40 /* Higher 8 bit connected externally */
594 #define INT68HIGH 0x20 /* Higher 8 bit connected internally */
595 #define CON5068 0x10 /* External 50/68 pin connected (low) */
596 #define CON68 0x08 /* Internal 68 pin connected (low) */
597 #define CON50 0x04 /* Internal 50 pin connected (low!) */
598 #define WIDESCSI 0x02 /* Wide SCSI card */
599 #define STATUS_LOAD_DEFAULT 0x01 /* */
601 #define TRM_S1040_GEN_NVRAM 0xD6 /* Serial NON-VOLATILE RAM port */
602 #define NVR_BITOUT 0x08 /* Serial data out */
603 #define NVR_BITIN 0x04 /* Serial data in */
604 #define NVR_CLOCK 0x02 /* Serial clock */
605 #define NVR_SELECT 0x01 /* Serial select */
607 #define TRM_S1040_GEN_EDATA 0xD7 /* Parallel EEPROM data port */
608 #define TRM_S1040_GEN_EADDRESS 0xD8 /* Parallel EEPROM address */
609 #define TRM_S1040_GEN_TIMER 0xDB /* Global timer */
611 /************************************************************************/
613 /* NvmTarCfg0: Target configuration byte 0 :..pDCB->DevMode */
615 /************************************************************************/
616 #define NTC_DO_WIDE_NEGO 0x20 /* Wide negotiate */
617 #define NTC_DO_TAG_QUEUEING 0x10 /* Enable SCSI tag queuing */
618 #define NTC_DO_SEND_START 0x08 /* Send start command SPINUP */
619 #define NTC_DO_DISCONNECT 0x04 /* Enable SCSI disconnect */
620 #define NTC_DO_SYNC_NEGO 0x02 /* Sync negotiation */
621 #define NTC_DO_PARITY_CHK 0x01 /* (it should define at NAC) */
622 /* Parity check enable */
624 /************************************************************************/
626 /* Nvram Initiater bits definition */
628 /************************************************************************/
630 #define MORE2_DRV BIT0
631 #define GREATER_1G BIT1
632 #define RST_SCSI_BUS BIT2
633 #define ACTIVE_NEGATION BIT3
635 #define LUN_CHECK BIT5
638 /************************************************************************/
640 /* Nvram Adapter Cfg bits definition */
642 /************************************************************************/
643 #define NAC_SCANLUN 0x20 /* Include LUN as BIOS device */
644 #define NAC_POWERON_SCSI_RESET 0x04 /* Power on reset enable */
645 #define NAC_GREATER_1G 0x02 /* > 1G support enable */
646 #define NAC_GT2DRIVES 0x01 /* Support more than 2 drives */
647 /* #define NAC_DO_PARITY_CHK 0x08 */ /* Parity check enable */
projects / linux-2.6-microblaze.git / blob