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c609719b WD |
1 | /* |
2 | * (C) Copyright 2000-2002 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | /* | |
26 | * IDE support | |
27 | */ | |
28 | #include <common.h> | |
29 | #include <config.h> | |
30 | #include <watchdog.h> | |
31 | #include <command.h> | |
32 | #include <image.h> | |
33 | #include <asm/byteorder.h> | |
34 | #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA) | |
35 | # include <pcmcia.h> | |
36 | #endif | |
37 | #ifdef CONFIG_8xx | |
38 | # include <mpc8xx.h> | |
39 | #endif | |
40 | #include <ide.h> | |
41 | #include <ata.h> | |
42 | #include <cmd_ide.h> | |
43 | #include <cmd_disk.h> | |
44 | #ifdef CONFIG_STATUS_LED | |
45 | # include <status_led.h> | |
46 | #endif | |
2262cfee WD |
47 | #ifdef __I386__ |
48 | #include <asm/io.h> | |
49 | #endif | |
c609719b WD |
50 | |
51 | #ifdef CONFIG_SHOW_BOOT_PROGRESS | |
52 | # include <status_led.h> | |
53 | # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) | |
54 | #else | |
55 | # define SHOW_BOOT_PROGRESS(arg) | |
56 | #endif | |
57 | ||
58 | ||
59 | #undef IDE_DEBUG | |
60 | ||
c7de829c | 61 | |
c609719b WD |
62 | #ifdef IDE_DEBUG |
63 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
64 | #else | |
65 | #define PRINTF(fmt,args...) | |
66 | #endif | |
67 | ||
68 | #if (CONFIG_COMMANDS & CFG_CMD_IDE) | |
69 | ||
70 | /* Timings for IDE Interface | |
71 | * | |
72 | * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk | |
73 | * 70 165 30 PIO-Mode 0, [ns] | |
74 | * 4 9 2 [Cycles] | |
75 | * 50 125 20 PIO-Mode 1, [ns] | |
76 | * 3 7 2 [Cycles] | |
77 | * 30 100 15 PIO-Mode 2, [ns] | |
78 | * 2 6 1 [Cycles] | |
79 | * 30 80 10 PIO-Mode 3, [ns] | |
80 | * 2 5 1 [Cycles] | |
81 | * 25 70 10 PIO-Mode 4, [ns] | |
82 | * 2 4 1 [Cycles] | |
83 | */ | |
84 | ||
85 | const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] = | |
86 | { | |
87 | /* Setup Length Hold */ | |
88 | { 70, 165, 30 }, /* PIO-Mode 0, [ns] */ | |
89 | { 50, 125, 20 }, /* PIO-Mode 1, [ns] */ | |
90 | { 30, 101, 15 }, /* PIO-Mode 2, [ns] */ | |
91 | { 30, 80, 10 }, /* PIO-Mode 3, [ns] */ | |
92 | { 25, 70, 10 }, /* PIO-Mode 4, [ns] */ | |
93 | }; | |
94 | ||
95 | static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1]; | |
96 | ||
97 | #ifndef CFG_PIO_MODE | |
98 | #define CFG_PIO_MODE 0 /* use a relaxed default */ | |
99 | #endif | |
100 | static int pio_mode = CFG_PIO_MODE; | |
101 | ||
102 | /* Make clock cycles and always round up */ | |
103 | ||
104 | #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U ) | |
105 | ||
106 | /* ------------------------------------------------------------------------- */ | |
107 | ||
108 | /* Current I/O Device */ | |
109 | static int curr_device = -1; | |
110 | ||
111 | /* Current offset for IDE0 / IDE1 bus access */ | |
112 | ulong ide_bus_offset[CFG_IDE_MAXBUS] = { | |
113 | #if defined(CFG_ATA_IDE0_OFFSET) | |
114 | CFG_ATA_IDE0_OFFSET, | |
115 | #endif | |
116 | #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1) | |
117 | CFG_ATA_IDE1_OFFSET, | |
118 | #endif | |
119 | }; | |
120 | ||
2262cfee | 121 | #ifdef __PPC__ |
c609719b | 122 | #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)]) |
2262cfee | 123 | #endif |
c609719b | 124 | |
c7de829c | 125 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 126 | static int ide_bus_ok[CFG_IDE_MAXBUS]; |
c7de829c WD |
127 | #else |
128 | static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,}; | |
129 | #endif | |
c609719b WD |
130 | |
131 | static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE]; | |
132 | /* ------------------------------------------------------------------------- */ | |
133 | ||
134 | #ifdef CONFIG_IDE_LED | |
1f53a416 | 135 | #ifndef CONFIG_KUP4K |
c609719b WD |
136 | static void ide_led (uchar led, uchar status); |
137 | #else | |
1f53a416 WD |
138 | extern void ide_led (uchar led, uchar status); |
139 | #endif | |
140 | #else | |
c7de829c | 141 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 142 | #define ide_led(a,b) /* dummy */ |
c7de829c WD |
143 | #else |
144 | extern void ide_led(uchar led, uchar status); | |
145 | #define LED_IDE1 1 | |
146 | #define LED_IDE2 2 | |
147 | #define CONFIG_IDE_LED 1 | |
148 | #define DEVICE_LED(x) 1 | |
149 | #endif | |
c609719b WD |
150 | #endif |
151 | ||
152 | #ifdef CONFIG_IDE_RESET | |
153 | static void ide_reset (void); | |
154 | #else | |
155 | #define ide_reset() /* dummy */ | |
156 | #endif | |
157 | ||
158 | static void ide_ident (block_dev_desc_t *dev_desc); | |
159 | static uchar ide_wait (int dev, ulong t); | |
160 | ||
161 | #define IDE_TIME_OUT 2000 /* 2 sec timeout */ | |
162 | ||
163 | #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */ | |
164 | ||
165 | #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ | |
166 | ||
2262cfee WD |
167 | static void __inline__ ide_outb(int dev, int port, unsigned char val); |
168 | static unsigned char __inline__ ide_inb(int dev, int port); | |
169 | #ifdef __PPC__ | |
c609719b | 170 | static void input_swap_data(int dev, ulong *sect_buf, int words); |
2262cfee | 171 | #endif |
c609719b WD |
172 | static void input_data(int dev, ulong *sect_buf, int words); |
173 | static void output_data(int dev, ulong *sect_buf, int words); | |
174 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
175 | ||
176 | ||
177 | #ifdef CONFIG_ATAPI | |
178 | static void atapi_inquiry(block_dev_desc_t *dev_desc); | |
179 | ulong atapi_read (int device, ulong blknr, ulong blkcnt, ulong *buffer); | |
180 | #endif | |
181 | ||
182 | ||
183 | #ifdef CONFIG_IDE_8xx_DIRECT | |
184 | static void set_pcmcia_timing (int pmode); | |
185 | #else | |
186 | #define set_pcmcia_timing(a) /* dummy */ | |
187 | #endif | |
188 | ||
189 | /* ------------------------------------------------------------------------- */ | |
190 | ||
191 | int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
192 | { | |
193 | int rcode = 0; | |
194 | ||
195 | switch (argc) { | |
196 | case 0: | |
197 | case 1: | |
198 | printf ("Usage:\n%s\n", cmdtp->usage); | |
199 | return 1; | |
200 | case 2: | |
201 | if (strncmp(argv[1],"res",3) == 0) { | |
202 | puts ("\nReset IDE" | |
203 | #ifdef CONFIG_IDE_8xx_DIRECT | |
204 | " on PCMCIA " PCMCIA_SLOT_MSG | |
205 | #endif | |
206 | ": "); | |
207 | ||
208 | ide_init (); | |
209 | return 0; | |
210 | } else if (strncmp(argv[1],"inf",3) == 0) { | |
211 | int i; | |
212 | ||
213 | putc ('\n'); | |
214 | ||
215 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
216 | if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN) | |
217 | continue; /* list only known devices */ | |
218 | printf ("IDE device %d: ", i); | |
219 | dev_print(&ide_dev_desc[i]); | |
220 | } | |
221 | return 0; | |
222 | ||
223 | } else if (strncmp(argv[1],"dev",3) == 0) { | |
224 | if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) { | |
225 | puts ("\nno IDE devices available\n"); | |
226 | return 1; | |
227 | } | |
228 | printf ("\nIDE device %d: ", curr_device); | |
229 | dev_print(&ide_dev_desc[curr_device]); | |
230 | return 0; | |
231 | } else if (strncmp(argv[1],"part",4) == 0) { | |
232 | int dev, ok; | |
233 | ||
234 | for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) { | |
235 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
236 | ++ok; | |
237 | if (dev) | |
238 | putc ('\n'); | |
239 | print_part(&ide_dev_desc[dev]); | |
240 | } | |
241 | } | |
242 | if (!ok) { | |
243 | puts ("\nno IDE devices available\n"); | |
244 | rcode ++; | |
245 | } | |
246 | return rcode; | |
247 | } | |
248 | printf ("Usage:\n%s\n", cmdtp->usage); | |
249 | return 1; | |
250 | case 3: | |
251 | if (strncmp(argv[1],"dev",3) == 0) { | |
252 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
253 | ||
254 | printf ("\nIDE device %d: ", dev); | |
255 | if (dev >= CFG_IDE_MAXDEVICE) { | |
256 | puts ("unknown device\n"); | |
257 | return 1; | |
258 | } | |
259 | dev_print(&ide_dev_desc[dev]); | |
260 | /*ide_print (dev);*/ | |
261 | ||
262 | if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
263 | return 1; | |
264 | } | |
265 | ||
266 | curr_device = dev; | |
267 | ||
268 | puts ("... is now current device\n"); | |
269 | ||
270 | return 0; | |
271 | } else if (strncmp(argv[1],"part",4) == 0) { | |
272 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
273 | ||
274 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
275 | print_part(&ide_dev_desc[dev]); | |
276 | } else { | |
277 | printf ("\nIDE device %d not available\n", dev); | |
278 | rcode = 1; | |
279 | } | |
280 | return rcode; | |
281 | #if 0 | |
282 | } else if (strncmp(argv[1],"pio",4) == 0) { | |
283 | int mode = (int)simple_strtoul(argv[2], NULL, 10); | |
284 | ||
285 | if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) { | |
286 | puts ("\nSetting "); | |
287 | pio_mode = mode; | |
288 | ide_init (); | |
289 | } else { | |
290 | printf ("\nInvalid PIO mode %d (0 ... %d only)\n", | |
291 | mode, IDE_MAX_PIO_MODE); | |
292 | } | |
293 | return; | |
294 | #endif | |
295 | } | |
296 | ||
297 | printf ("Usage:\n%s\n", cmdtp->usage); | |
298 | return 1; | |
299 | default: | |
300 | /* at least 4 args */ | |
301 | ||
302 | if (strcmp(argv[1],"read") == 0) { | |
303 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
304 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
305 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
306 | ulong n; | |
307 | ||
308 | printf ("\nIDE read: device %d block # %ld, count %ld ... ", | |
309 | curr_device, blk, cnt); | |
310 | ||
311 | n = ide_dev_desc[curr_device].block_read (curr_device, | |
312 | blk, cnt, | |
313 | (ulong *)addr); | |
314 | /* flush cache after read */ | |
315 | flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz); | |
316 | ||
317 | printf ("%ld blocks read: %s\n", | |
318 | n, (n==cnt) ? "OK" : "ERROR"); | |
319 | if (n==cnt) { | |
320 | return 0; | |
321 | } else { | |
322 | return 1; | |
323 | } | |
324 | } else if (strcmp(argv[1],"write") == 0) { | |
325 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
326 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
327 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
328 | ulong n; | |
329 | ||
330 | printf ("\nIDE write: device %d block # %ld, count %ld ... ", | |
331 | curr_device, blk, cnt); | |
332 | ||
333 | n = ide_write (curr_device, blk, cnt, (ulong *)addr); | |
334 | ||
335 | printf ("%ld blocks written: %s\n", | |
336 | n, (n==cnt) ? "OK" : "ERROR"); | |
337 | if (n==cnt) { | |
338 | return 0; | |
339 | } else { | |
340 | return 1; | |
341 | } | |
342 | } else { | |
343 | printf ("Usage:\n%s\n", cmdtp->usage); | |
344 | rcode = 1; | |
345 | } | |
346 | ||
347 | return rcode; | |
348 | } | |
349 | } | |
350 | ||
351 | int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
352 | { | |
353 | char *boot_device = NULL; | |
354 | char *ep; | |
355 | int dev, part = 0; | |
356 | ulong cnt; | |
357 | ulong addr; | |
358 | disk_partition_t info; | |
359 | image_header_t *hdr; | |
360 | int rcode = 0; | |
361 | ||
362 | switch (argc) { | |
363 | case 1: | |
364 | addr = CFG_LOAD_ADDR; | |
365 | boot_device = getenv ("bootdevice"); | |
366 | break; | |
367 | case 2: | |
368 | addr = simple_strtoul(argv[1], NULL, 16); | |
369 | boot_device = getenv ("bootdevice"); | |
370 | break; | |
371 | case 3: | |
372 | addr = simple_strtoul(argv[1], NULL, 16); | |
373 | boot_device = argv[2]; | |
374 | break; | |
375 | default: | |
376 | printf ("Usage:\n%s\n", cmdtp->usage); | |
377 | SHOW_BOOT_PROGRESS (-1); | |
378 | return 1; | |
379 | } | |
380 | ||
381 | if (!boot_device) { | |
382 | puts ("\n** No boot device **\n"); | |
383 | SHOW_BOOT_PROGRESS (-1); | |
384 | return 1; | |
385 | } | |
386 | ||
387 | dev = simple_strtoul(boot_device, &ep, 16); | |
388 | ||
389 | if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) { | |
390 | printf ("\n** Device %d not available\n", dev); | |
391 | SHOW_BOOT_PROGRESS (-1); | |
392 | return 1; | |
393 | } | |
394 | ||
395 | if (*ep) { | |
396 | if (*ep != ':') { | |
397 | puts ("\n** Invalid boot device, use `dev[:part]' **\n"); | |
398 | SHOW_BOOT_PROGRESS (-1); | |
399 | return 1; | |
400 | } | |
401 | part = simple_strtoul(++ep, NULL, 16); | |
402 | } | |
403 | if (get_partition_info (&ide_dev_desc[dev], part, &info)) { | |
404 | SHOW_BOOT_PROGRESS (-1); | |
405 | return 1; | |
406 | } | |
4532cb69 WD |
407 | if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && |
408 | (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { | |
c609719b WD |
409 | printf ("\n** Invalid partition type \"%.32s\"" |
410 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
411 | info.type); | |
412 | SHOW_BOOT_PROGRESS (-1); | |
413 | return 1; | |
414 | } | |
415 | ||
416 | printf ("\nLoading from IDE device %d, partition %d: " | |
417 | "Name: %.32s Type: %.32s\n", | |
418 | dev, part, info.name, info.type); | |
419 | ||
420 | PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", | |
421 | info.start, info.size, info.blksz); | |
422 | ||
423 | if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) { | |
424 | printf ("** Read error on %d:%d\n", dev, part); | |
425 | SHOW_BOOT_PROGRESS (-1); | |
426 | return 1; | |
427 | } | |
428 | ||
429 | hdr = (image_header_t *)addr; | |
430 | ||
431 | if (ntohl(hdr->ih_magic) == IH_MAGIC) { | |
432 | ||
433 | print_image_hdr (hdr); | |
434 | ||
435 | cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t)); | |
436 | cnt += info.blksz - 1; | |
437 | cnt /= info.blksz; | |
438 | cnt -= 1; | |
439 | } else { | |
440 | printf("\n** Bad Magic Number **\n"); | |
441 | SHOW_BOOT_PROGRESS (-1); | |
442 | return 1; | |
443 | } | |
444 | ||
445 | if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt, | |
446 | (ulong *)(addr+info.blksz)) != cnt) { | |
447 | printf ("** Read error on %d:%d\n", dev, part); | |
448 | SHOW_BOOT_PROGRESS (-1); | |
449 | return 1; | |
450 | } | |
451 | ||
452 | ||
453 | /* Loading ok, update default load address */ | |
454 | ||
455 | load_addr = addr; | |
456 | ||
457 | /* Check if we should attempt an auto-start */ | |
458 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
459 | char *local_args[2]; | |
460 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
461 | ||
462 | local_args[0] = argv[0]; | |
463 | local_args[1] = NULL; | |
464 | ||
465 | printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); | |
466 | ||
467 | do_bootm (cmdtp, 0, 1, local_args); | |
468 | rcode = 1; | |
469 | } | |
470 | return rcode; | |
471 | } | |
472 | ||
473 | /* ------------------------------------------------------------------------- */ | |
474 | ||
475 | void ide_init (void) | |
476 | { | |
477 | DECLARE_GLOBAL_DATA_PTR; | |
478 | ||
479 | #ifdef CONFIG_IDE_8xx_DIRECT | |
480 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
481 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
482 | #endif | |
483 | unsigned char c; | |
484 | int i, bus; | |
c7de829c WD |
485 | #ifdef CONFIG_AMIGAONEG3SE |
486 | unsigned int max_bus_scan; | |
487 | unsigned int ata_reset_time; | |
488 | char *s; | |
489 | #endif | |
c609719b WD |
490 | |
491 | #ifdef CONFIG_IDE_8xx_PCCARD | |
492 | extern int pcmcia_on (void); | |
6069ff26 | 493 | extern int ide_devices_found; /* Initialized in check_ide_device() */ |
c609719b WD |
494 | |
495 | WATCHDOG_RESET(); | |
496 | ||
6069ff26 | 497 | ide_devices_found = 0; |
c609719b | 498 | /* initialize the PCMCIA IDE adapter card */ |
6069ff26 WD |
499 | pcmcia_on(); |
500 | if (!ide_devices_found) | |
c609719b WD |
501 | return; |
502 | udelay (1000000); /* 1 s */ | |
503 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
504 | ||
505 | WATCHDOG_RESET(); | |
506 | ||
507 | /* Initialize PIO timing tables */ | |
508 | for (i=0; i <= IDE_MAX_PIO_MODE; ++i) { | |
509 | pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, | |
510 | gd->bus_clk); | |
511 | pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length, | |
512 | gd->bus_clk); | |
513 | pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, | |
514 | gd->bus_clk); | |
515 | PRINTF ("PIO Mode %d: setup=%2d ns/%d clk" | |
516 | " len=%3d ns/%d clk" | |
517 | " hold=%2d ns/%d clk\n", | |
518 | i, | |
519 | pio_config_ns[i].t_setup, pio_config_clk[i].t_setup, | |
520 | pio_config_ns[i].t_length, pio_config_clk[i].t_length, | |
521 | pio_config_ns[i].t_hold, pio_config_clk[i].t_hold); | |
522 | } | |
523 | ||
524 | /* Reset the IDE just to be sure. | |
525 | * Light LED's to show | |
526 | */ | |
527 | ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */ | |
528 | ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */ | |
529 | ||
530 | #ifdef CONFIG_IDE_8xx_DIRECT | |
531 | /* PCMCIA / IDE initialization for common mem space */ | |
532 | pcmp->pcmc_pgcrb = 0; | |
533 | #endif | |
534 | ||
535 | /* start in PIO mode 0 - most relaxed timings */ | |
536 | pio_mode = 0; | |
537 | set_pcmcia_timing (pio_mode); | |
538 | ||
539 | /* | |
540 | * Wait for IDE to get ready. | |
541 | * According to spec, this can take up to 31 seconds! | |
542 | */ | |
c7de829c | 543 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b WD |
544 | for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) { |
545 | int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS); | |
c7de829c WD |
546 | #else |
547 | s = getenv("ide_maxbus"); | |
548 | if (s) | |
549 | max_bus_scan = simple_strtol(s, NULL, 10); | |
550 | else | |
551 | max_bus_scan = CFG_IDE_MAXBUS; | |
552 | ||
553 | for (bus=0; bus<max_bus_scan; ++bus) { | |
554 | int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan); | |
555 | #endif | |
c609719b | 556 | |
6069ff26 WD |
557 | #ifdef CONFIG_IDE_8xx_PCCARD |
558 | /* Skip non-ide devices from probing */ | |
559 | if ((ide_devices_found & (1 << bus)) == 0) { | |
560 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
561 | continue; | |
562 | } | |
563 | #endif | |
c609719b WD |
564 | printf ("Bus %d: ", bus); |
565 | ||
566 | ide_bus_ok[bus] = 0; | |
567 | ||
568 | /* Select device | |
569 | */ | |
570 | udelay (100000); /* 100 ms */ | |
2262cfee | 571 | ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); |
c609719b | 572 | udelay (100000); /* 100 ms */ |
c7de829c WD |
573 | #ifdef CONFIG_AMIGAONEG3SE |
574 | ata_reset_time = ATA_RESET_TIME; | |
575 | s = getenv("ide_reset_timeout"); | |
576 | if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10); | |
577 | #endif | |
c609719b WD |
578 | i = 0; |
579 | do { | |
580 | udelay (10000); /* 10 ms */ | |
581 | ||
2262cfee | 582 | c = ide_inb (dev, ATA_STATUS); |
c609719b | 583 | i++; |
c7de829c WD |
584 | #ifdef CONFIG_AMIGAONEG3SE |
585 | if (i > (ata_reset_time * 100)) { | |
586 | #else | |
c609719b | 587 | if (i > (ATA_RESET_TIME * 100)) { |
c7de829c | 588 | #endif |
c609719b WD |
589 | puts ("** Timeout **\n"); |
590 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
c7de829c WD |
591 | #ifdef CONFIG_AMIGAONEG3SE |
592 | /* If this is the second bus, the first one was OK */ | |
593 | if (bus != 0) | |
594 | { | |
595 | ide_bus_ok[bus] = 0; | |
596 | goto skip_bus; | |
597 | } | |
598 | #endif | |
c609719b WD |
599 | return; |
600 | } | |
601 | if ((i >= 100) && ((i%100)==0)) { | |
602 | putc ('.'); | |
603 | } | |
604 | } while (c & ATA_STAT_BUSY); | |
605 | ||
606 | if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { | |
607 | puts ("not available "); | |
608 | PRINTF ("Status = 0x%02X ", c); | |
609 | #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ | |
610 | } else if ((c & ATA_STAT_READY) == 0) { | |
611 | puts ("not available "); | |
612 | PRINTF ("Status = 0x%02X ", c); | |
613 | #endif | |
614 | } else { | |
615 | puts ("OK "); | |
616 | ide_bus_ok[bus] = 1; | |
617 | } | |
618 | WATCHDOG_RESET(); | |
619 | } | |
c7de829c WD |
620 | |
621 | #ifdef CONFIG_AMIGAONEG3SE | |
622 | skip_bus: | |
623 | #endif | |
c609719b WD |
624 | putc ('\n'); |
625 | ||
626 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
627 | ||
628 | curr_device = -1; | |
629 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
630 | #ifdef CONFIG_IDE_LED | |
631 | int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; | |
632 | #endif | |
633 | ide_dev_desc[i].if_type=IF_TYPE_IDE; | |
634 | ide_dev_desc[i].dev=i; | |
635 | ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
636 | ide_dev_desc[i].blksz=0; | |
637 | ide_dev_desc[i].lba=0; | |
638 | ide_dev_desc[i].block_read=ide_read; | |
639 | if (!ide_bus_ok[IDE_BUS(i)]) | |
640 | continue; | |
641 | ide_led (led, 1); /* LED on */ | |
642 | ide_ident(&ide_dev_desc[i]); | |
643 | ide_led (led, 0); /* LED off */ | |
644 | dev_print(&ide_dev_desc[i]); | |
645 | /* ide_print (i); */ | |
646 | if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { | |
647 | init_part (&ide_dev_desc[i]); /* initialize partition type */ | |
648 | if (curr_device < 0) | |
649 | curr_device = i; | |
650 | } | |
651 | } | |
652 | WATCHDOG_RESET(); | |
653 | } | |
654 | ||
655 | /* ------------------------------------------------------------------------- */ | |
656 | ||
657 | block_dev_desc_t * ide_get_dev(int dev) | |
658 | { | |
659 | return ((block_dev_desc_t *)&ide_dev_desc[dev]); | |
660 | } | |
661 | ||
662 | ||
663 | #ifdef CONFIG_IDE_8xx_DIRECT | |
664 | ||
665 | static void | |
666 | set_pcmcia_timing (int pmode) | |
667 | { | |
668 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
669 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
670 | ulong timings; | |
671 | ||
672 | PRINTF ("Set timing for PIO Mode %d\n", pmode); | |
673 | ||
674 | timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold) | |
675 | | PCMCIA_SST(pio_config_clk[pmode].t_setup) | |
676 | | PCMCIA_SL (pio_config_clk[pmode].t_length) | |
677 | ; | |
678 | ||
679 | /* IDE 0 | |
680 | */ | |
681 | pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0; | |
682 | pcmp->pcmc_por0 = CFG_PCMCIA_POR0 | |
683 | #if (CFG_PCMCIA_POR0 != 0) | |
684 | | timings | |
685 | #endif | |
686 | ; | |
687 | PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); | |
688 | ||
689 | pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1; | |
690 | pcmp->pcmc_por1 = CFG_PCMCIA_POR1 | |
691 | #if (CFG_PCMCIA_POR1 != 0) | |
692 | | timings | |
693 | #endif | |
694 | ; | |
695 | PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); | |
696 | ||
697 | pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2; | |
698 | pcmp->pcmc_por2 = CFG_PCMCIA_POR2 | |
699 | #if (CFG_PCMCIA_POR2 != 0) | |
700 | | timings | |
701 | #endif | |
702 | ; | |
703 | PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); | |
704 | ||
705 | pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3; | |
706 | pcmp->pcmc_por3 = CFG_PCMCIA_POR3 | |
707 | #if (CFG_PCMCIA_POR3 != 0) | |
708 | | timings | |
709 | #endif | |
710 | ; | |
711 | PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); | |
712 | ||
713 | /* IDE 1 | |
714 | */ | |
715 | pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4; | |
716 | pcmp->pcmc_por4 = CFG_PCMCIA_POR4 | |
717 | #if (CFG_PCMCIA_POR4 != 0) | |
718 | | timings | |
719 | #endif | |
720 | ; | |
721 | PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); | |
722 | ||
723 | pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5; | |
724 | pcmp->pcmc_por5 = CFG_PCMCIA_POR5 | |
725 | #if (CFG_PCMCIA_POR5 != 0) | |
726 | | timings | |
727 | #endif | |
728 | ; | |
729 | PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); | |
730 | ||
731 | pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6; | |
732 | pcmp->pcmc_por6 = CFG_PCMCIA_POR6 | |
733 | #if (CFG_PCMCIA_POR6 != 0) | |
734 | | timings | |
735 | #endif | |
736 | ; | |
737 | PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); | |
738 | ||
739 | pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7; | |
740 | pcmp->pcmc_por7 = CFG_PCMCIA_POR7 | |
741 | #if (CFG_PCMCIA_POR7 != 0) | |
742 | | timings | |
743 | #endif | |
744 | ; | |
745 | PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); | |
746 | ||
747 | } | |
748 | ||
749 | #endif /* CONFIG_IDE_8xx_DIRECT */ | |
750 | ||
751 | /* ------------------------------------------------------------------------- */ | |
752 | ||
2262cfee | 753 | #ifdef __PPC__ |
c609719b | 754 | static void __inline__ |
2262cfee | 755 | ide_outb(int dev, int port, unsigned char val) |
c609719b WD |
756 | { |
757 | /* Ensure I/O operations complete */ | |
758 | __asm__ volatile("eieio"); | |
759 | *((uchar *)(ATA_CURR_BASE(dev)+port)) = val; | |
760 | #if 0 | |
2262cfee | 761 | printf ("ide_outb: 0x%08lx <== 0x%02x\n", ATA_CURR_BASE(dev)+port, val); |
c609719b WD |
762 | #endif |
763 | } | |
2262cfee WD |
764 | #else /* ! __PPC__ */ |
765 | static void __inline__ | |
766 | ide_outb(int dev, int port, unsigned char val) | |
767 | { | |
768 | outb(val, port); | |
769 | } | |
770 | #endif /* __PPC__ */ | |
771 | ||
c609719b | 772 | |
2262cfee | 773 | #ifdef __PPC__ |
c609719b | 774 | static unsigned char __inline__ |
2262cfee | 775 | ide_inb(int dev, int port) |
c609719b WD |
776 | { |
777 | uchar val; | |
778 | /* Ensure I/O operations complete */ | |
779 | __asm__ volatile("eieio"); | |
780 | val = *((uchar *)(ATA_CURR_BASE(dev)+port)); | |
781 | #if 0 | |
2262cfee | 782 | printf ("ide_inb: 0x%08lx ==> 0x%02x\n", ATA_CURR_BASE(dev)+port, val); |
c609719b WD |
783 | #endif |
784 | return (val); | |
785 | } | |
2262cfee WD |
786 | #else /* ! __PPC__ */ |
787 | static unsigned char __inline__ | |
788 | ide_inb(int dev, int port) | |
789 | { | |
790 | return inb(port); | |
791 | } | |
792 | #endif /* __PPC__ */ | |
c609719b | 793 | |
2262cfee | 794 | #ifdef __PPC__ |
c609719b WD |
795 | __inline__ unsigned ld_le16(const volatile unsigned short *addr) |
796 | { | |
797 | unsigned val; | |
798 | ||
799 | __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r"(val) : "r"(addr), "m"(*addr)); | |
800 | return val; | |
801 | } | |
802 | ||
c7de829c WD |
803 | #ifdef CONFIG_AMIGAONEG3SE |
804 | static void | |
805 | output_data_short(int dev, ulong *sect_buf, int words) | |
806 | { | |
807 | ushort *dbuf; | |
808 | volatile ushort *pbuf; | |
809 | ||
810 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
811 | dbuf = (ushort *)sect_buf; | |
812 | while (words--) { | |
813 | __asm__ volatile ("eieio"); | |
814 | *pbuf = *dbuf++; | |
815 | __asm__ volatile ("eieio"); | |
816 | } | |
817 | ||
818 | if (words&1) | |
819 | *pbuf = 0; | |
820 | } | |
821 | #endif | |
822 | ||
c609719b WD |
823 | static void |
824 | input_swap_data(int dev, ulong *sect_buf, int words) | |
825 | { | |
826 | volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
827 | ushort *dbuf = (ushort *)sect_buf; | |
828 | ||
829 | while (words--) { | |
830 | *dbuf++ = ld_le16(pbuf); | |
831 | *dbuf++ = ld_le16(pbuf); | |
832 | } | |
833 | } | |
2262cfee WD |
834 | #else /* ! __PPC__ */ |
835 | #define input_swap_data(x,y,z) input_data(x,y,z) | |
836 | #endif /* __PPC__ */ | |
837 | ||
838 | ||
839 | ||
c609719b | 840 | |
2262cfee | 841 | #ifdef __PPC__ |
c609719b WD |
842 | static void |
843 | output_data(int dev, ulong *sect_buf, int words) | |
844 | { | |
845 | ushort *dbuf; | |
846 | volatile ushort *pbuf; | |
847 | ||
848 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
849 | dbuf = (ushort *)sect_buf; | |
850 | while (words--) { | |
851 | __asm__ volatile ("eieio"); | |
852 | *pbuf = *dbuf++; | |
853 | __asm__ volatile ("eieio"); | |
854 | *pbuf = *dbuf++; | |
855 | } | |
856 | } | |
2262cfee WD |
857 | #else /* ! __PPC__ */ |
858 | static void | |
859 | output_data(int dev, ulong *sect_buf, int words) | |
860 | { | |
861 | outsw(ATA_DATA_REG, sect_buf, words<<1); | |
862 | } | |
863 | #endif /* __PPC__ */ | |
c609719b | 864 | |
2262cfee | 865 | #ifdef __PPC__ |
c609719b WD |
866 | static void |
867 | input_data(int dev, ulong *sect_buf, int words) | |
868 | { | |
869 | ushort *dbuf; | |
870 | volatile ushort *pbuf; | |
871 | ||
872 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
873 | dbuf = (ushort *)sect_buf; | |
874 | while (words--) { | |
875 | __asm__ volatile ("eieio"); | |
876 | *dbuf++ = *pbuf; | |
877 | __asm__ volatile ("eieio"); | |
878 | *dbuf++ = *pbuf; | |
879 | } | |
880 | } | |
2262cfee WD |
881 | #else /* ! __PPC__ */ |
882 | static void | |
883 | input_data(int dev, ulong *sect_buf, int words) | |
884 | { | |
885 | insw(ATA_DATA_REG, sect_buf, words << 1); | |
886 | } | |
887 | ||
888 | #endif /* __PPC__ */ | |
c609719b | 889 | |
c7de829c WD |
890 | #ifdef CONFIG_AMIGAONEG3SE |
891 | static void | |
892 | input_data_short(int dev, ulong *sect_buf, int words) | |
893 | { | |
894 | ushort *dbuf; | |
895 | volatile ushort *pbuf; | |
896 | ||
897 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
898 | dbuf = (ushort *)sect_buf; | |
899 | while (words--) { | |
900 | __asm__ volatile ("eieio"); | |
901 | *dbuf++ = *pbuf; | |
902 | __asm__ volatile ("eieio"); | |
903 | } | |
904 | ||
905 | if (words&1) | |
906 | { | |
907 | ushort dummy; | |
908 | dummy = *pbuf; | |
909 | } | |
910 | } | |
911 | #endif | |
912 | ||
c609719b WD |
913 | /* ------------------------------------------------------------------------- |
914 | */ | |
915 | static void ide_ident (block_dev_desc_t *dev_desc) | |
916 | { | |
917 | ulong iobuf[ATA_SECTORWORDS]; | |
918 | unsigned char c; | |
919 | hd_driveid_t *iop = (hd_driveid_t *)iobuf; | |
920 | ||
c7de829c WD |
921 | #ifdef CONFIG_AMIGAONEG3SE |
922 | int max_bus_scan; | |
923 | int retries = 0; | |
924 | char *s; | |
925 | int do_retry = 0; | |
926 | #endif | |
927 | ||
c609719b WD |
928 | #if 0 |
929 | int mode, cycle_time; | |
930 | #endif | |
931 | int device; | |
932 | device=dev_desc->dev; | |
933 | printf (" Device %d: ", device); | |
934 | ||
c7de829c WD |
935 | #ifdef CONFIG_AMIGAONEG3SE |
936 | s = getenv("ide_maxbus"); | |
937 | if (s) { | |
938 | max_bus_scan = simple_strtol(s, NULL, 10); | |
939 | } else { | |
940 | max_bus_scan = CFG_IDE_MAXBUS; | |
941 | } | |
942 | if (device >= max_bus_scan*2) { | |
943 | dev_desc->type=DEV_TYPE_UNKNOWN; | |
944 | return; | |
945 | } | |
946 | #endif | |
947 | ||
c609719b WD |
948 | ide_led (DEVICE_LED(device), 1); /* LED on */ |
949 | /* Select device | |
950 | */ | |
2262cfee | 951 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
952 | dev_desc->if_type=IF_TYPE_IDE; |
953 | #ifdef CONFIG_ATAPI | |
c7de829c WD |
954 | |
955 | #ifdef CONFIG_AMIGAONEG3SE | |
956 | do_retry = 0; | |
957 | retries = 0; | |
958 | ||
959 | /* Warning: This will be tricky to read */ | |
960 | while (retries <= 1) | |
961 | { | |
962 | #endif /* CONFIG_AMIGAONEG3SE */ | |
963 | ||
c609719b | 964 | /* check signature */ |
2262cfee WD |
965 | if ((ide_inb(device,ATA_SECT_CNT) == 0x01) && |
966 | (ide_inb(device,ATA_SECT_NUM) == 0x01) && | |
967 | (ide_inb(device,ATA_CYL_LOW) == 0x14) && | |
968 | (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) { | |
c609719b WD |
969 | /* ATAPI Signature found */ |
970 | dev_desc->if_type=IF_TYPE_ATAPI; | |
971 | /* Start Ident Command | |
972 | */ | |
2262cfee | 973 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT); |
c609719b WD |
974 | /* |
975 | * Wait for completion - ATAPI devices need more time | |
976 | * to become ready | |
977 | */ | |
978 | c = ide_wait (device, ATAPI_TIME_OUT); | |
979 | } | |
980 | else | |
981 | #endif | |
982 | { | |
983 | /* Start Ident Command | |
984 | */ | |
2262cfee | 985 | ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT); |
c609719b WD |
986 | |
987 | /* Wait for completion | |
988 | */ | |
989 | c = ide_wait (device, IDE_TIME_OUT); | |
990 | } | |
991 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
992 | ||
993 | if (((c & ATA_STAT_DRQ) == 0) || | |
994 | ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) { | |
c7de829c WD |
995 | #ifdef CONFIG_AMIGAONEG3SE |
996 | if (retries == 0) { | |
997 | do_retry = 1; | |
998 | } else { | |
999 | dev_desc->type=DEV_TYPE_UNKNOWN; | |
1000 | return; | |
1001 | } | |
1002 | #else | |
c609719b WD |
1003 | dev_desc->type=DEV_TYPE_UNKNOWN; |
1004 | return; | |
c7de829c WD |
1005 | #endif /* CONFIG_AMIGAONEG3SE */ |
1006 | } | |
1007 | ||
1008 | #ifdef CONFIG_AMIGAONEG3SE | |
1009 | s = getenv("ide_doreset"); | |
1010 | if (s && strcmp(s, "on") == 0 && 1 == do_retry) { | |
1011 | /* Need to soft reset the device in case it's an ATAPI... */ | |
1012 | PRINTF("Retrying...\n"); | |
1013 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
1014 | udelay(100000); | |
1015 | ide_outb (device, ATA_COMMAND, 0x08); | |
1016 | udelay (100000); /* 100 ms */ | |
1017 | retries++; | |
1018 | } else { | |
1019 | retries = 100; | |
c609719b | 1020 | } |
c7de829c WD |
1021 | } /* see above - ugly to read */ |
1022 | #endif /* CONFIG_AMIGAONEG3SE */ | |
c609719b WD |
1023 | |
1024 | input_swap_data (device, iobuf, ATA_SECTORWORDS); | |
1025 | ||
1026 | ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision)); | |
1027 | ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor)); | |
1028 | ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product)); | |
1029 | ||
1030 | if ((iop->config & 0x0080)==0x0080) | |
1031 | dev_desc->removable = 1; | |
1032 | else | |
1033 | dev_desc->removable = 0; | |
1034 | ||
1035 | #if 0 | |
1036 | /* | |
1037 | * Drive PIO mode autoselection | |
1038 | */ | |
1039 | mode = iop->tPIO; | |
1040 | ||
1041 | printf ("tPIO = 0x%02x = %d\n",mode, mode); | |
1042 | if (mode > 2) { /* 2 is maximum allowed tPIO value */ | |
1043 | mode = 2; | |
1044 | PRINTF ("Override tPIO -> 2\n"); | |
1045 | } | |
1046 | if (iop->field_valid & 2) { /* drive implements ATA2? */ | |
1047 | PRINTF ("Drive implements ATA2\n"); | |
1048 | if (iop->capability & 8) { /* drive supports use_iordy? */ | |
1049 | cycle_time = iop->eide_pio_iordy; | |
1050 | } else { | |
1051 | cycle_time = iop->eide_pio; | |
1052 | } | |
1053 | PRINTF ("cycle time = %d\n", cycle_time); | |
1054 | mode = 4; | |
1055 | if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */ | |
1056 | if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */ | |
1057 | if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */ | |
1058 | if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */ | |
1059 | } | |
1060 | printf ("PIO mode to use: PIO %d\n", mode); | |
1061 | #endif /* 0 */ | |
1062 | ||
1063 | #ifdef CONFIG_ATAPI | |
1064 | if (dev_desc->if_type==IF_TYPE_ATAPI) { | |
1065 | atapi_inquiry(dev_desc); | |
1066 | return; | |
1067 | } | |
1068 | #endif /* CONFIG_ATAPI */ | |
1069 | ||
1070 | /* swap shorts */ | |
1071 | dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16); | |
1072 | /* assuming HD */ | |
1073 | dev_desc->type=DEV_TYPE_HARDDISK; | |
1074 | dev_desc->blksz=ATA_BLOCKSIZE; | |
1075 | dev_desc->lun=0; /* just to fill something in... */ | |
1076 | ||
1077 | #if 0 /* only used to test the powersaving mode, | |
1078 | * if enabled, the drive goes after 5 sec | |
1079 | * in standby mode */ | |
2262cfee | 1080 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1081 | c = ide_wait (device, IDE_TIME_OUT); |
2262cfee WD |
1082 | ide_outb (device, ATA_SECT_CNT, 1); |
1083 | ide_outb (device, ATA_LBA_LOW, 0); | |
1084 | ide_outb (device, ATA_LBA_MID, 0); | |
1085 | ide_outb (device, ATA_LBA_HIGH, 0); | |
1086 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
c609719b | 1087 | ATA_DEVICE(device)); |
2262cfee | 1088 | ide_outb (device, ATA_COMMAND, 0xe3); |
c609719b WD |
1089 | udelay (50); |
1090 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1091 | #endif | |
1092 | } | |
1093 | ||
1094 | ||
1095 | /* ------------------------------------------------------------------------- */ | |
1096 | ||
1097 | ulong ide_read (int device, ulong blknr, ulong blkcnt, ulong *buffer) | |
1098 | { | |
1099 | ulong n = 0; | |
1100 | unsigned char c; | |
1101 | unsigned char pwrsave=0; /* power save */ | |
1102 | ||
1103 | PRINTF ("ide_read dev %d start %lX, blocks %lX buffer at %lX\n", | |
1104 | device, blknr, blkcnt, (ulong)buffer); | |
1105 | ||
1106 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1107 | ||
1108 | /* Select device | |
1109 | */ | |
2262cfee | 1110 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1111 | c = ide_wait (device, IDE_TIME_OUT); |
1112 | ||
1113 | if (c & ATA_STAT_BUSY) { | |
1114 | printf ("IDE read: device %d not ready\n", device); | |
1115 | goto IDE_READ_E; | |
1116 | } | |
1117 | ||
1118 | /* first check if the drive is in Powersaving mode, if yes, | |
1119 | * increase the timeout value */ | |
2262cfee | 1120 | ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR); |
c609719b WD |
1121 | udelay (50); |
1122 | ||
1123 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1124 | ||
1125 | if (c & ATA_STAT_BUSY) { | |
1126 | printf ("IDE read: device %d not ready\n", device); | |
1127 | goto IDE_READ_E; | |
1128 | } | |
1129 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
1130 | printf ("No Powersaving mode %X\n", c); | |
1131 | } else { | |
2262cfee | 1132 | c = ide_inb(device,ATA_SECT_CNT); |
c609719b WD |
1133 | PRINTF("Powersaving %02X\n",c); |
1134 | if(c==0) | |
1135 | pwrsave=1; | |
1136 | } | |
1137 | ||
1138 | ||
1139 | while (blkcnt-- > 0) { | |
1140 | ||
1141 | c = ide_wait (device, IDE_TIME_OUT); | |
1142 | ||
1143 | if (c & ATA_STAT_BUSY) { | |
1144 | printf ("IDE read: device %d not ready\n", device); | |
1145 | break; | |
1146 | } | |
1147 | ||
2262cfee WD |
1148 | ide_outb (device, ATA_SECT_CNT, 1); |
1149 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1150 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1151 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
1152 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
c609719b WD |
1153 | ATA_DEVICE(device) | |
1154 | ((blknr >> 24) & 0xF) ); | |
2262cfee | 1155 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ); |
c609719b WD |
1156 | |
1157 | udelay (50); | |
1158 | ||
1159 | if(pwrsave) { | |
1160 | c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */ | |
1161 | pwrsave=0; | |
1162 | } else { | |
1163 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1164 | } | |
1165 | ||
1166 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
1167 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1168 | device, blknr, c); | |
1169 | break; | |
1170 | } | |
1171 | ||
1172 | input_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1173 | (void) ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1174 | |
1175 | ++n; | |
1176 | ++blknr; | |
1177 | buffer += ATA_SECTORWORDS; | |
1178 | } | |
1179 | IDE_READ_E: | |
1180 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1181 | return (n); | |
1182 | } | |
1183 | ||
1184 | /* ------------------------------------------------------------------------- */ | |
1185 | ||
1186 | ||
1187 | ulong ide_write (int device, ulong blknr, ulong blkcnt, ulong *buffer) | |
1188 | { | |
1189 | ulong n = 0; | |
1190 | unsigned char c; | |
1191 | ||
1192 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1193 | ||
1194 | /* Select device | |
1195 | */ | |
2262cfee | 1196 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1197 | |
1198 | while (blkcnt-- > 0) { | |
1199 | ||
1200 | c = ide_wait (device, IDE_TIME_OUT); | |
1201 | ||
1202 | if (c & ATA_STAT_BUSY) { | |
1203 | printf ("IDE read: device %d not ready\n", device); | |
1204 | goto WR_OUT; | |
1205 | } | |
1206 | ||
2262cfee WD |
1207 | ide_outb (device, ATA_SECT_CNT, 1); |
1208 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1209 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1210 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
1211 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
c609719b WD |
1212 | ATA_DEVICE(device) | |
1213 | ((blknr >> 24) & 0xF) ); | |
2262cfee | 1214 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE); |
c609719b WD |
1215 | |
1216 | udelay (50); | |
1217 | ||
1218 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1219 | ||
1220 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
1221 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1222 | device, blknr, c); | |
1223 | goto WR_OUT; | |
1224 | } | |
1225 | ||
1226 | output_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1227 | c = ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1228 | ++n; |
1229 | ++blknr; | |
1230 | buffer += ATA_SECTORWORDS; | |
1231 | } | |
1232 | WR_OUT: | |
1233 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1234 | return (n); | |
1235 | } | |
1236 | ||
1237 | /* ------------------------------------------------------------------------- */ | |
1238 | ||
1239 | /* | |
1240 | * copy src to dest, skipping leading and trailing blanks and null | |
1241 | * terminate the string | |
1242 | */ | |
1243 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len) | |
1244 | { | |
1245 | int start,end; | |
1246 | ||
1247 | start=0; | |
1248 | while (start<len) { | |
1249 | if (src[start]!=' ') | |
1250 | break; | |
1251 | start++; | |
1252 | } | |
1253 | end=len-1; | |
1254 | while (end>start) { | |
1255 | if (src[end]!=' ') | |
1256 | break; | |
1257 | end--; | |
1258 | } | |
1259 | for ( ; start<=end; start++) { | |
1260 | *dest++=src[start]; | |
1261 | } | |
1262 | *dest='\0'; | |
1263 | } | |
1264 | ||
1265 | /* ------------------------------------------------------------------------- */ | |
1266 | ||
1267 | /* | |
1268 | * Wait until Busy bit is off, or timeout (in ms) | |
1269 | * Return last status | |
1270 | */ | |
1271 | static uchar ide_wait (int dev, ulong t) | |
1272 | { | |
1273 | ulong delay = 10 * t; /* poll every 100 us */ | |
1274 | uchar c; | |
1275 | ||
2262cfee | 1276 | while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { |
c609719b WD |
1277 | udelay (100); |
1278 | if (delay-- == 0) { | |
1279 | break; | |
1280 | } | |
1281 | } | |
1282 | return (c); | |
1283 | } | |
1284 | ||
1285 | /* ------------------------------------------------------------------------- */ | |
1286 | ||
1287 | #ifdef CONFIG_IDE_RESET | |
1288 | extern void ide_set_reset(int idereset); | |
1289 | ||
1290 | static void ide_reset (void) | |
1291 | { | |
1292 | #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR) | |
1293 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
1294 | #endif | |
1295 | int i; | |
1296 | ||
1297 | curr_device = -1; | |
1298 | for (i=0; i<CFG_IDE_MAXBUS; ++i) | |
1299 | ide_bus_ok[i] = 0; | |
1300 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) | |
1301 | ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; | |
1302 | ||
1303 | ide_set_reset (1); /* assert reset */ | |
1304 | ||
1305 | WATCHDOG_RESET(); | |
1306 | ||
1307 | #ifdef CFG_PB_12V_ENABLE | |
1308 | immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */ | |
1309 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE); | |
1310 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE); | |
1311 | immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE; | |
1312 | ||
1313 | /* wait 500 ms for the voltage to stabilize | |
1314 | */ | |
1315 | for (i=0; i<500; ++i) { | |
1316 | udelay (1000); | |
1317 | } | |
1318 | ||
1319 | immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */ | |
1320 | #endif /* CFG_PB_12V_ENABLE */ | |
1321 | ||
1322 | #ifdef CFG_PB_IDE_MOTOR | |
1323 | /* configure IDE Motor voltage monitor pin as input */ | |
1324 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR); | |
1325 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR); | |
1326 | immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR); | |
1327 | ||
1328 | /* wait up to 1 s for the motor voltage to stabilize | |
1329 | */ | |
1330 | for (i=0; i<1000; ++i) { | |
1331 | if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) { | |
1332 | break; | |
1333 | } | |
1334 | udelay (1000); | |
1335 | } | |
1336 | ||
1337 | if (i == 1000) { /* Timeout */ | |
1338 | printf ("\nWarning: 5V for IDE Motor missing\n"); | |
1339 | # ifdef CONFIG_STATUS_LED | |
1340 | # ifdef STATUS_LED_YELLOW | |
1341 | status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON ); | |
1342 | # endif | |
1343 | # ifdef STATUS_LED_GREEN | |
1344 | status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF); | |
1345 | # endif | |
1346 | # endif /* CONFIG_STATUS_LED */ | |
1347 | } | |
1348 | #endif /* CFG_PB_IDE_MOTOR */ | |
1349 | ||
1350 | WATCHDOG_RESET(); | |
1351 | ||
1352 | /* de-assert RESET signal */ | |
1353 | ide_set_reset(0); | |
1354 | ||
1355 | /* wait 250 ms */ | |
1356 | for (i=0; i<250; ++i) { | |
1357 | udelay (1000); | |
1358 | } | |
1359 | } | |
1360 | ||
1361 | #endif /* CONFIG_IDE_RESET */ | |
1362 | ||
1363 | /* ------------------------------------------------------------------------- */ | |
1364 | ||
1f53a416 | 1365 | #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K) |
c609719b WD |
1366 | |
1367 | static uchar led_buffer = 0; /* Buffer for current LED status */ | |
1368 | ||
1369 | static void ide_led (uchar led, uchar status) | |
1370 | { | |
1371 | uchar *led_port = LED_PORT; | |
1372 | ||
1373 | if (status) { /* switch LED on */ | |
1374 | led_buffer |= led; | |
1375 | } else { /* switch LED off */ | |
1376 | led_buffer &= ~led; | |
1377 | } | |
1378 | ||
1379 | *led_port = led_buffer; | |
1380 | } | |
1381 | ||
1382 | #endif /* CONFIG_IDE_LED */ | |
1383 | ||
1384 | /* ------------------------------------------------------------------------- */ | |
1385 | ||
1386 | #ifdef CONFIG_ATAPI | |
1387 | /**************************************************************************** | |
1388 | * ATAPI Support | |
1389 | */ | |
1390 | ||
1391 | ||
1392 | ||
1393 | #undef ATAPI_DEBUG | |
1394 | ||
1395 | #ifdef ATAPI_DEBUG | |
1396 | #define AT_PRINTF(fmt,args...) printf (fmt ,##args) | |
1397 | #else | |
1398 | #define AT_PRINTF(fmt,args...) | |
1399 | #endif | |
1400 | ||
2262cfee | 1401 | #ifdef __PPC__ |
c609719b WD |
1402 | /* since ATAPI may use commands with not 4 bytes alligned length |
1403 | * we have our own transfer functions, 2 bytes alligned */ | |
1404 | static void | |
1405 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1406 | { | |
1407 | ushort *dbuf; | |
1408 | volatile ushort *pbuf; | |
1409 | ||
1410 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1411 | dbuf = (ushort *)sect_buf; | |
1412 | while (shorts--) { | |
1413 | __asm__ volatile ("eieio"); | |
1414 | *pbuf = *dbuf++; | |
1415 | } | |
1416 | } | |
1417 | ||
1418 | static void | |
1419 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1420 | { | |
1421 | ushort *dbuf; | |
1422 | volatile ushort *pbuf; | |
1423 | ||
1424 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1425 | dbuf = (ushort *)sect_buf; | |
1426 | while (shorts--) { | |
1427 | __asm__ volatile ("eieio"); | |
1428 | *dbuf++ = *pbuf; | |
1429 | } | |
1430 | } | |
1431 | ||
2262cfee WD |
1432 | #else /* ! __PPC__ */ |
1433 | static void | |
1434 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1435 | { | |
1436 | outsw(ATA_DATA_REG, sect_buf, shorts); | |
1437 | } | |
1438 | ||
1439 | ||
1440 | static void | |
1441 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1442 | { | |
1443 | insw(ATA_DATA_REG, sect_buf, shorts); | |
1444 | } | |
1445 | ||
1446 | #endif /* __PPC__ */ | |
1447 | ||
c609719b WD |
1448 | /* |
1449 | * Wait until (Status & mask) == res, or timeout (in ms) | |
1450 | * Return last status | |
1451 | * This is used since some ATAPI CD ROMs clears their Busy Bit first | |
1452 | * and then they set their DRQ Bit | |
1453 | */ | |
1454 | static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res) | |
1455 | { | |
1456 | ulong delay = 10 * t; /* poll every 100 us */ | |
1457 | uchar c; | |
1458 | ||
2262cfee WD |
1459 | c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */ |
1460 | while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { | |
c609719b WD |
1461 | /* break if error occurs (doesn't make sense to wait more) */ |
1462 | if((c & ATA_STAT_ERR)==ATA_STAT_ERR) | |
1463 | break; | |
1464 | udelay (100); | |
1465 | if (delay-- == 0) { | |
1466 | break; | |
1467 | } | |
1468 | } | |
1469 | return (c); | |
1470 | } | |
1471 | ||
1472 | /* | |
1473 | * issue an atapi command | |
1474 | */ | |
1475 | unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen) | |
1476 | { | |
1477 | unsigned char c,err,mask,res; | |
1478 | int n; | |
1479 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1480 | ||
1481 | /* Select device | |
1482 | */ | |
1483 | mask = ATA_STAT_BUSY|ATA_STAT_DRQ; | |
1484 | res = 0; | |
c7de829c WD |
1485 | #ifdef CONFIG_AMIGAONEG3SE |
1486 | # warning THF: Removed LBA mode ??? | |
1487 | #endif | |
2262cfee | 1488 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1489 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); |
1490 | if ((c & mask) != res) { | |
1491 | printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c); | |
1492 | err=0xFF; | |
1493 | goto AI_OUT; | |
1494 | } | |
1495 | /* write taskfile */ | |
2262cfee | 1496 | ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ |
c7de829c WD |
1497 | ide_outb (device, ATA_SECT_CNT, 0); |
1498 | ide_outb (device, ATA_SECT_NUM, 0); | |
2262cfee | 1499 | ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF)); |
c7de829c WD |
1500 | ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF)); |
1501 | #ifdef CONFIG_AMIGAONEG3SE | |
1502 | # warning THF: Removed LBA mode ??? | |
1503 | #endif | |
2262cfee | 1504 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1505 | |
2262cfee | 1506 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET); |
c609719b WD |
1507 | udelay (50); |
1508 | ||
1509 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1510 | res = ATA_STAT_DRQ; | |
1511 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1512 | ||
1513 | if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ | |
1514 | printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c); | |
1515 | err=0xFF; | |
1516 | goto AI_OUT; | |
1517 | } | |
1518 | ||
1519 | output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */ | |
1520 | /* ATAPI Command written wait for completition */ | |
1521 | udelay (5000); /* device must set bsy */ | |
1522 | ||
1523 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1524 | /* if no data wait for DRQ = 0 BSY = 0 | |
1525 | * if data wait for DRQ = 1 BSY = 0 */ | |
1526 | res=0; | |
1527 | if(buflen) | |
1528 | res = ATA_STAT_DRQ; | |
1529 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1530 | if ((c & mask) != res ) { | |
1531 | if (c & ATA_STAT_ERR) { | |
2262cfee | 1532 | err=(ide_inb(device,ATA_ERROR_REG))>>4; |
c609719b WD |
1533 | AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c); |
1534 | } else { | |
1535 | printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c); | |
1536 | err=0xFF; | |
1537 | } | |
1538 | goto AI_OUT; | |
1539 | } | |
2262cfee | 1540 | n=ide_inb(device, ATA_CYL_HIGH); |
c609719b | 1541 | n<<=8; |
2262cfee | 1542 | n+=ide_inb(device, ATA_CYL_LOW); |
c609719b WD |
1543 | if(n>buflen) { |
1544 | printf("ERROR, transfer bytes %d requested only %d\n",n,buflen); | |
1545 | err=0xff; | |
1546 | goto AI_OUT; | |
1547 | } | |
1548 | if((n==0)&&(buflen<0)) { | |
1549 | printf("ERROR, transfer bytes %d requested %d\n",n,buflen); | |
1550 | err=0xff; | |
1551 | goto AI_OUT; | |
1552 | } | |
1553 | if(n!=buflen) { | |
1554 | AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen); | |
1555 | } | |
1556 | if(n!=0) { /* data transfer */ | |
1557 | AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n); | |
1558 | /* we transfer shorts */ | |
1559 | n>>=1; | |
1560 | /* ok now decide if it is an in or output */ | |
2262cfee | 1561 | if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) { |
c609719b WD |
1562 | AT_PRINTF("Write to device\n"); |
1563 | output_data_shorts(device,(unsigned short *)buffer,n); | |
1564 | } else { | |
1565 | AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n); | |
1566 | input_data_shorts(device,(unsigned short *)buffer,n); | |
1567 | } | |
1568 | } | |
1569 | udelay(5000); /* seems that some CD ROMs need this... */ | |
1570 | mask = ATA_STAT_BUSY|ATA_STAT_ERR; | |
1571 | res=0; | |
1572 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1573 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
2262cfee | 1574 | err=(ide_inb(device,ATA_ERROR_REG) >> 4); |
c609719b WD |
1575 | AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c); |
1576 | } else { | |
1577 | err = 0; | |
1578 | } | |
1579 | AI_OUT: | |
1580 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1581 | return (err); | |
1582 | } | |
1583 | ||
1584 | /* | |
1585 | * sending the command to atapi_issue. If an status other than good | |
1586 | * returns, an request_sense will be issued | |
1587 | */ | |
1588 | ||
1589 | #define ATAPI_DRIVE_NOT_READY 100 | |
1590 | #define ATAPI_UNIT_ATTN 10 | |
1591 | ||
1592 | unsigned char atapi_issue_autoreq (int device, | |
1593 | unsigned char* ccb, | |
1594 | int ccblen, | |
1595 | unsigned char *buffer, | |
1596 | int buflen) | |
1597 | { | |
1598 | unsigned char sense_data[18],sense_ccb[12]; | |
1599 | unsigned char res,key,asc,ascq; | |
1600 | int notready,unitattn; | |
1601 | ||
c7de829c WD |
1602 | #ifdef CONFIG_AMIGAONEG3SE |
1603 | char *s; | |
1604 | unsigned int timeout, retrycnt; | |
1605 | ||
1606 | s = getenv("ide_cd_timeout"); | |
1607 | timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0; | |
1608 | ||
1609 | retrycnt = 0; | |
1610 | #endif | |
1611 | ||
c609719b WD |
1612 | unitattn=ATAPI_UNIT_ATTN; |
1613 | notready=ATAPI_DRIVE_NOT_READY; | |
1614 | ||
1615 | retry: | |
1616 | res= atapi_issue(device,ccb,ccblen,buffer,buflen); | |
1617 | if (res==0) | |
1618 | return (0); /* Ok */ | |
1619 | ||
1620 | if (res==0xFF) | |
1621 | return (0xFF); /* error */ | |
1622 | ||
1623 | AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res); | |
1624 | ||
1625 | memset(sense_ccb,0,sizeof(sense_ccb)); | |
1626 | memset(sense_data,0,sizeof(sense_data)); | |
1627 | sense_ccb[0]=ATAPI_CMD_REQ_SENSE; | |
c7de829c | 1628 | sense_ccb[4]=18; /* allocation Length */ |
c609719b WD |
1629 | |
1630 | res=atapi_issue(device,sense_ccb,12,sense_data,18); | |
1631 | key=(sense_data[2]&0xF); | |
1632 | asc=(sense_data[12]); | |
1633 | ascq=(sense_data[13]); | |
1634 | ||
1635 | AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res); | |
1636 | AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", | |
1637 | sense_data[0], | |
1638 | key, | |
1639 | asc, | |
1640 | ascq); | |
1641 | ||
1642 | if((key==0)) | |
1643 | return 0; /* ok device ready */ | |
1644 | ||
1645 | if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */ | |
1646 | if(unitattn-->0) { | |
1647 | udelay(200*1000); | |
1648 | goto retry; | |
1649 | } | |
1650 | printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN); | |
1651 | goto error; | |
1652 | } | |
1653 | if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */ | |
1654 | if (notready-->0) { | |
1655 | udelay(200*1000); | |
1656 | goto retry; | |
1657 | } | |
1658 | printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY); | |
1659 | goto error; | |
1660 | } | |
1661 | if(asc==0x3a) { | |
1662 | AT_PRINTF("Media not present\n"); | |
1663 | goto error; | |
1664 | } | |
c7de829c WD |
1665 | |
1666 | #ifdef CONFIG_AMIGAONEG3SE | |
1667 | if ((sense_data[2]&0xF)==0x0B) { | |
1668 | AT_PRINTF("ABORTED COMMAND...retry\n"); | |
1669 | if (retrycnt++ < 4) | |
1670 | goto retry; | |
1671 | return (0xFF); | |
1672 | } | |
1673 | ||
1674 | if ((sense_data[2]&0xf) == 0x02 && | |
1675 | sense_data[12] == 0x04 && | |
1676 | sense_data[13] == 0x01 ) { | |
1677 | AT_PRINTF("Waiting for unit to become active\n"); | |
1678 | udelay(timeout); | |
1679 | if (retrycnt++ < 4) | |
1680 | goto retry; | |
1681 | return 0xFF; | |
1682 | } | |
1683 | #endif /* CONFIG_AMIGAONEG3SE */ | |
1684 | ||
c609719b WD |
1685 | printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); |
1686 | error: | |
1687 | AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); | |
1688 | return (0xFF); | |
1689 | } | |
1690 | ||
1691 | ||
1692 | ||
1693 | static void atapi_inquiry(block_dev_desc_t * dev_desc) | |
1694 | { | |
1695 | unsigned char ccb[12]; /* Command descriptor block */ | |
1696 | unsigned char iobuf[64]; /* temp buf */ | |
1697 | unsigned char c; | |
1698 | int device; | |
1699 | ||
1700 | device=dev_desc->dev; | |
1701 | dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */ | |
1702 | dev_desc->block_read=atapi_read; | |
1703 | ||
1704 | memset(ccb,0,sizeof(ccb)); | |
1705 | memset(iobuf,0,sizeof(iobuf)); | |
1706 | ||
1707 | ccb[0]=ATAPI_CMD_INQUIRY; | |
1708 | ccb[4]=40; /* allocation Legnth */ | |
1709 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40); | |
1710 | ||
1711 | AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c); | |
1712 | if (c!=0) | |
1713 | return; | |
1714 | ||
1715 | /* copy device ident strings */ | |
1716 | ident_cpy(dev_desc->vendor,&iobuf[8],8); | |
1717 | ident_cpy(dev_desc->product,&iobuf[16],16); | |
1718 | ident_cpy(dev_desc->revision,&iobuf[32],5); | |
1719 | ||
1720 | dev_desc->lun=0; | |
1721 | dev_desc->lba=0; | |
1722 | dev_desc->blksz=0; | |
1723 | dev_desc->type=iobuf[0] & 0x1f; | |
1724 | ||
1725 | if ((iobuf[1]&0x80)==0x80) | |
1726 | dev_desc->removable = 1; | |
1727 | else | |
1728 | dev_desc->removable = 0; | |
1729 | ||
1730 | memset(ccb,0,sizeof(ccb)); | |
1731 | memset(iobuf,0,sizeof(iobuf)); | |
1732 | ccb[0]=ATAPI_CMD_START_STOP; | |
1733 | ccb[4]=0x03; /* start */ | |
1734 | ||
1735 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1736 | ||
1737 | AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c); | |
1738 | if (c!=0) | |
1739 | return; | |
1740 | ||
1741 | memset(ccb,0,sizeof(ccb)); | |
1742 | memset(iobuf,0,sizeof(iobuf)); | |
1743 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1744 | ||
1745 | AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c); | |
1746 | if (c!=0) | |
1747 | return; | |
1748 | ||
1749 | memset(ccb,0,sizeof(ccb)); | |
1750 | memset(iobuf,0,sizeof(iobuf)); | |
1751 | ccb[0]=ATAPI_CMD_READ_CAP; | |
1752 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8); | |
1753 | AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c); | |
1754 | if (c!=0) | |
1755 | return; | |
1756 | ||
1757 | AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", | |
1758 | iobuf[0],iobuf[1],iobuf[2],iobuf[3], | |
1759 | iobuf[4],iobuf[5],iobuf[6],iobuf[7]); | |
1760 | ||
1761 | dev_desc->lba =((unsigned long)iobuf[0]<<24) + | |
1762 | ((unsigned long)iobuf[1]<<16) + | |
1763 | ((unsigned long)iobuf[2]<< 8) + | |
1764 | ((unsigned long)iobuf[3]); | |
1765 | dev_desc->blksz=((unsigned long)iobuf[4]<<24) + | |
1766 | ((unsigned long)iobuf[5]<<16) + | |
1767 | ((unsigned long)iobuf[6]<< 8) + | |
1768 | ((unsigned long)iobuf[7]); | |
1769 | return; | |
1770 | } | |
1771 | ||
1772 | ||
1773 | /* | |
1774 | * atapi_read: | |
1775 | * we transfer only one block per command, since the multiple DRQ per | |
1776 | * command is not yet implemented | |
1777 | */ | |
1778 | #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ | |
1779 | #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ | |
1780 | #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */ | |
1781 | ||
1782 | ulong atapi_read (int device, ulong blknr, ulong blkcnt, ulong *buffer) | |
1783 | { | |
1784 | ulong n = 0; | |
1785 | unsigned char ccb[12]; /* Command descriptor block */ | |
1786 | ulong cnt; | |
1787 | ||
1788 | AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n", | |
1789 | device, blknr, blkcnt, (ulong)buffer); | |
1790 | ||
1791 | do { | |
1792 | if (blkcnt>ATAPI_READ_MAX_BLOCK) { | |
1793 | cnt=ATAPI_READ_MAX_BLOCK; | |
1794 | } else { | |
1795 | cnt=blkcnt; | |
1796 | } | |
1797 | ccb[0]=ATAPI_CMD_READ_12; | |
1798 | ccb[1]=0; /* reserved */ | |
1799 | ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */ | |
1800 | ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */ | |
1801 | ccb[4]=(unsigned char) (blknr>> 8) & 0xFF; | |
1802 | ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */ | |
1803 | ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */ | |
1804 | ccb[7]=(unsigned char) (cnt >>16) & 0xFF; | |
1805 | ccb[8]=(unsigned char) (cnt >> 8) & 0xFF; | |
1806 | ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */ | |
1807 | ccb[10]=0; /* reserved */ | |
1808 | ccb[11]=0; /* reserved */ | |
1809 | ||
1810 | if (atapi_issue_autoreq(device,ccb,12, | |
1811 | (unsigned char *)buffer, | |
1812 | cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) { | |
1813 | return (n); | |
1814 | } | |
1815 | n+=cnt; | |
1816 | blkcnt-=cnt; | |
1817 | blknr+=cnt; | |
1818 | buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */ | |
1819 | } while (blkcnt > 0); | |
1820 | return (n); | |
1821 | } | |
1822 | ||
1823 | /* ------------------------------------------------------------------------- */ | |
1824 | ||
1825 | #endif /* CONFIG_ATAPI */ | |
1826 | ||
1827 | #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */ |