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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> | |
c609719b WD |
42 | #ifdef CONFIG_STATUS_LED |
43 | # include <status_led.h> | |
44 | #endif | |
2262cfee WD |
45 | #ifdef __I386__ |
46 | #include <asm/io.h> | |
47 | #endif | |
c609719b WD |
48 | |
49 | #ifdef CONFIG_SHOW_BOOT_PROGRESS | |
50 | # include <status_led.h> | |
51 | # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) | |
52 | #else | |
53 | # define SHOW_BOOT_PROGRESS(arg) | |
54 | #endif | |
55 | ||
56 | ||
57 | #undef IDE_DEBUG | |
58 | ||
c7de829c | 59 | |
c609719b WD |
60 | #ifdef IDE_DEBUG |
61 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
62 | #else | |
63 | #define PRINTF(fmt,args...) | |
64 | #endif | |
65 | ||
66 | #if (CONFIG_COMMANDS & CFG_CMD_IDE) | |
67 | ||
68 | /* Timings for IDE Interface | |
69 | * | |
70 | * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk | |
71 | * 70 165 30 PIO-Mode 0, [ns] | |
72 | * 4 9 2 [Cycles] | |
73 | * 50 125 20 PIO-Mode 1, [ns] | |
74 | * 3 7 2 [Cycles] | |
75 | * 30 100 15 PIO-Mode 2, [ns] | |
76 | * 2 6 1 [Cycles] | |
77 | * 30 80 10 PIO-Mode 3, [ns] | |
78 | * 2 5 1 [Cycles] | |
79 | * 25 70 10 PIO-Mode 4, [ns] | |
80 | * 2 4 1 [Cycles] | |
81 | */ | |
82 | ||
83 | const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] = | |
84 | { | |
85 | /* Setup Length Hold */ | |
86 | { 70, 165, 30 }, /* PIO-Mode 0, [ns] */ | |
87 | { 50, 125, 20 }, /* PIO-Mode 1, [ns] */ | |
88 | { 30, 101, 15 }, /* PIO-Mode 2, [ns] */ | |
89 | { 30, 80, 10 }, /* PIO-Mode 3, [ns] */ | |
90 | { 25, 70, 10 }, /* PIO-Mode 4, [ns] */ | |
91 | }; | |
92 | ||
93 | static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1]; | |
94 | ||
95 | #ifndef CFG_PIO_MODE | |
96 | #define CFG_PIO_MODE 0 /* use a relaxed default */ | |
97 | #endif | |
98 | static int pio_mode = CFG_PIO_MODE; | |
99 | ||
100 | /* Make clock cycles and always round up */ | |
101 | ||
102 | #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U ) | |
103 | ||
104 | /* ------------------------------------------------------------------------- */ | |
105 | ||
106 | /* Current I/O Device */ | |
107 | static int curr_device = -1; | |
108 | ||
109 | /* Current offset for IDE0 / IDE1 bus access */ | |
110 | ulong ide_bus_offset[CFG_IDE_MAXBUS] = { | |
111 | #if defined(CFG_ATA_IDE0_OFFSET) | |
112 | CFG_ATA_IDE0_OFFSET, | |
113 | #endif | |
114 | #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1) | |
115 | CFG_ATA_IDE1_OFFSET, | |
116 | #endif | |
117 | }; | |
118 | ||
2262cfee | 119 | #ifdef __PPC__ |
c609719b | 120 | #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)]) |
2262cfee | 121 | #endif |
c609719b | 122 | |
c7de829c | 123 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 124 | static int ide_bus_ok[CFG_IDE_MAXBUS]; |
c7de829c WD |
125 | #else |
126 | static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,}; | |
127 | #endif | |
c609719b WD |
128 | |
129 | static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE]; | |
130 | /* ------------------------------------------------------------------------- */ | |
131 | ||
132 | #ifdef CONFIG_IDE_LED | |
1f53a416 | 133 | #ifndef CONFIG_KUP4K |
c609719b WD |
134 | static void ide_led (uchar led, uchar status); |
135 | #else | |
1f53a416 WD |
136 | extern void ide_led (uchar led, uchar status); |
137 | #endif | |
138 | #else | |
c7de829c | 139 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 140 | #define ide_led(a,b) /* dummy */ |
c7de829c WD |
141 | #else |
142 | extern void ide_led(uchar led, uchar status); | |
143 | #define LED_IDE1 1 | |
144 | #define LED_IDE2 2 | |
145 | #define CONFIG_IDE_LED 1 | |
146 | #define DEVICE_LED(x) 1 | |
147 | #endif | |
c609719b WD |
148 | #endif |
149 | ||
150 | #ifdef CONFIG_IDE_RESET | |
151 | static void ide_reset (void); | |
152 | #else | |
153 | #define ide_reset() /* dummy */ | |
154 | #endif | |
155 | ||
156 | static void ide_ident (block_dev_desc_t *dev_desc); | |
157 | static uchar ide_wait (int dev, ulong t); | |
158 | ||
159 | #define IDE_TIME_OUT 2000 /* 2 sec timeout */ | |
160 | ||
161 | #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */ | |
162 | ||
163 | #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ | |
164 | ||
2262cfee WD |
165 | static void __inline__ ide_outb(int dev, int port, unsigned char val); |
166 | static unsigned char __inline__ ide_inb(int dev, int port); | |
167 | #ifdef __PPC__ | |
c609719b | 168 | static void input_swap_data(int dev, ulong *sect_buf, int words); |
2262cfee | 169 | #endif |
c609719b WD |
170 | static void input_data(int dev, ulong *sect_buf, int words); |
171 | static void output_data(int dev, ulong *sect_buf, int words); | |
172 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
173 | ||
174 | ||
175 | #ifdef CONFIG_ATAPI | |
176 | static void atapi_inquiry(block_dev_desc_t *dev_desc); | |
177 | ulong atapi_read (int device, ulong blknr, ulong blkcnt, ulong *buffer); | |
178 | #endif | |
179 | ||
180 | ||
181 | #ifdef CONFIG_IDE_8xx_DIRECT | |
182 | static void set_pcmcia_timing (int pmode); | |
183 | #else | |
184 | #define set_pcmcia_timing(a) /* dummy */ | |
185 | #endif | |
186 | ||
187 | /* ------------------------------------------------------------------------- */ | |
188 | ||
189 | int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
190 | { | |
191 | int rcode = 0; | |
192 | ||
193 | switch (argc) { | |
194 | case 0: | |
195 | case 1: | |
196 | printf ("Usage:\n%s\n", cmdtp->usage); | |
197 | return 1; | |
198 | case 2: | |
199 | if (strncmp(argv[1],"res",3) == 0) { | |
200 | puts ("\nReset IDE" | |
201 | #ifdef CONFIG_IDE_8xx_DIRECT | |
202 | " on PCMCIA " PCMCIA_SLOT_MSG | |
203 | #endif | |
204 | ": "); | |
205 | ||
206 | ide_init (); | |
207 | return 0; | |
208 | } else if (strncmp(argv[1],"inf",3) == 0) { | |
209 | int i; | |
210 | ||
211 | putc ('\n'); | |
212 | ||
213 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
214 | if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN) | |
215 | continue; /* list only known devices */ | |
216 | printf ("IDE device %d: ", i); | |
217 | dev_print(&ide_dev_desc[i]); | |
218 | } | |
219 | return 0; | |
220 | ||
221 | } else if (strncmp(argv[1],"dev",3) == 0) { | |
222 | if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) { | |
223 | puts ("\nno IDE devices available\n"); | |
224 | return 1; | |
225 | } | |
226 | printf ("\nIDE device %d: ", curr_device); | |
227 | dev_print(&ide_dev_desc[curr_device]); | |
228 | return 0; | |
229 | } else if (strncmp(argv[1],"part",4) == 0) { | |
230 | int dev, ok; | |
231 | ||
232 | for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) { | |
233 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
234 | ++ok; | |
235 | if (dev) | |
236 | putc ('\n'); | |
237 | print_part(&ide_dev_desc[dev]); | |
238 | } | |
239 | } | |
240 | if (!ok) { | |
241 | puts ("\nno IDE devices available\n"); | |
242 | rcode ++; | |
243 | } | |
244 | return rcode; | |
245 | } | |
246 | printf ("Usage:\n%s\n", cmdtp->usage); | |
247 | return 1; | |
248 | case 3: | |
249 | if (strncmp(argv[1],"dev",3) == 0) { | |
250 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
251 | ||
252 | printf ("\nIDE device %d: ", dev); | |
253 | if (dev >= CFG_IDE_MAXDEVICE) { | |
254 | puts ("unknown device\n"); | |
255 | return 1; | |
256 | } | |
257 | dev_print(&ide_dev_desc[dev]); | |
258 | /*ide_print (dev);*/ | |
259 | ||
260 | if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
261 | return 1; | |
262 | } | |
263 | ||
264 | curr_device = dev; | |
265 | ||
266 | puts ("... is now current device\n"); | |
267 | ||
268 | return 0; | |
269 | } else if (strncmp(argv[1],"part",4) == 0) { | |
270 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
271 | ||
272 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
273 | print_part(&ide_dev_desc[dev]); | |
274 | } else { | |
275 | printf ("\nIDE device %d not available\n", dev); | |
276 | rcode = 1; | |
277 | } | |
278 | return rcode; | |
279 | #if 0 | |
280 | } else if (strncmp(argv[1],"pio",4) == 0) { | |
281 | int mode = (int)simple_strtoul(argv[2], NULL, 10); | |
282 | ||
283 | if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) { | |
284 | puts ("\nSetting "); | |
285 | pio_mode = mode; | |
286 | ide_init (); | |
287 | } else { | |
288 | printf ("\nInvalid PIO mode %d (0 ... %d only)\n", | |
289 | mode, IDE_MAX_PIO_MODE); | |
290 | } | |
291 | return; | |
292 | #endif | |
293 | } | |
294 | ||
295 | printf ("Usage:\n%s\n", cmdtp->usage); | |
296 | return 1; | |
297 | default: | |
298 | /* at least 4 args */ | |
299 | ||
300 | if (strcmp(argv[1],"read") == 0) { | |
301 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
302 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
303 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
304 | ulong n; | |
305 | ||
306 | printf ("\nIDE read: device %d block # %ld, count %ld ... ", | |
307 | curr_device, blk, cnt); | |
308 | ||
309 | n = ide_dev_desc[curr_device].block_read (curr_device, | |
310 | blk, cnt, | |
311 | (ulong *)addr); | |
312 | /* flush cache after read */ | |
313 | flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz); | |
314 | ||
315 | printf ("%ld blocks read: %s\n", | |
316 | n, (n==cnt) ? "OK" : "ERROR"); | |
317 | if (n==cnt) { | |
318 | return 0; | |
319 | } else { | |
320 | return 1; | |
321 | } | |
322 | } else if (strcmp(argv[1],"write") == 0) { | |
323 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
324 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
325 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
326 | ulong n; | |
327 | ||
328 | printf ("\nIDE write: device %d block # %ld, count %ld ... ", | |
329 | curr_device, blk, cnt); | |
330 | ||
331 | n = ide_write (curr_device, blk, cnt, (ulong *)addr); | |
332 | ||
333 | printf ("%ld blocks written: %s\n", | |
334 | n, (n==cnt) ? "OK" : "ERROR"); | |
335 | if (n==cnt) { | |
336 | return 0; | |
337 | } else { | |
338 | return 1; | |
339 | } | |
340 | } else { | |
341 | printf ("Usage:\n%s\n", cmdtp->usage); | |
342 | rcode = 1; | |
343 | } | |
344 | ||
345 | return rcode; | |
346 | } | |
347 | } | |
348 | ||
349 | int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
350 | { | |
351 | char *boot_device = NULL; | |
352 | char *ep; | |
353 | int dev, part = 0; | |
354 | ulong cnt; | |
355 | ulong addr; | |
356 | disk_partition_t info; | |
357 | image_header_t *hdr; | |
358 | int rcode = 0; | |
359 | ||
360 | switch (argc) { | |
361 | case 1: | |
362 | addr = CFG_LOAD_ADDR; | |
363 | boot_device = getenv ("bootdevice"); | |
364 | break; | |
365 | case 2: | |
366 | addr = simple_strtoul(argv[1], NULL, 16); | |
367 | boot_device = getenv ("bootdevice"); | |
368 | break; | |
369 | case 3: | |
370 | addr = simple_strtoul(argv[1], NULL, 16); | |
371 | boot_device = argv[2]; | |
372 | break; | |
373 | default: | |
374 | printf ("Usage:\n%s\n", cmdtp->usage); | |
375 | SHOW_BOOT_PROGRESS (-1); | |
376 | return 1; | |
377 | } | |
378 | ||
379 | if (!boot_device) { | |
380 | puts ("\n** No boot device **\n"); | |
381 | SHOW_BOOT_PROGRESS (-1); | |
382 | return 1; | |
383 | } | |
384 | ||
385 | dev = simple_strtoul(boot_device, &ep, 16); | |
386 | ||
387 | if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) { | |
388 | printf ("\n** Device %d not available\n", dev); | |
389 | SHOW_BOOT_PROGRESS (-1); | |
390 | return 1; | |
391 | } | |
392 | ||
393 | if (*ep) { | |
394 | if (*ep != ':') { | |
395 | puts ("\n** Invalid boot device, use `dev[:part]' **\n"); | |
396 | SHOW_BOOT_PROGRESS (-1); | |
397 | return 1; | |
398 | } | |
399 | part = simple_strtoul(++ep, NULL, 16); | |
400 | } | |
401 | if (get_partition_info (&ide_dev_desc[dev], part, &info)) { | |
402 | SHOW_BOOT_PROGRESS (-1); | |
403 | return 1; | |
404 | } | |
4532cb69 WD |
405 | if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && |
406 | (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { | |
c609719b WD |
407 | printf ("\n** Invalid partition type \"%.32s\"" |
408 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
409 | info.type); | |
410 | SHOW_BOOT_PROGRESS (-1); | |
411 | return 1; | |
412 | } | |
413 | ||
414 | printf ("\nLoading from IDE device %d, partition %d: " | |
415 | "Name: %.32s Type: %.32s\n", | |
416 | dev, part, info.name, info.type); | |
417 | ||
418 | PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", | |
419 | info.start, info.size, info.blksz); | |
420 | ||
421 | if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) { | |
422 | printf ("** Read error on %d:%d\n", dev, part); | |
423 | SHOW_BOOT_PROGRESS (-1); | |
424 | return 1; | |
425 | } | |
426 | ||
427 | hdr = (image_header_t *)addr; | |
428 | ||
429 | if (ntohl(hdr->ih_magic) == IH_MAGIC) { | |
430 | ||
431 | print_image_hdr (hdr); | |
432 | ||
433 | cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t)); | |
434 | cnt += info.blksz - 1; | |
435 | cnt /= info.blksz; | |
436 | cnt -= 1; | |
437 | } else { | |
438 | printf("\n** Bad Magic Number **\n"); | |
439 | SHOW_BOOT_PROGRESS (-1); | |
440 | return 1; | |
441 | } | |
442 | ||
443 | if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt, | |
444 | (ulong *)(addr+info.blksz)) != cnt) { | |
445 | printf ("** Read error on %d:%d\n", dev, part); | |
446 | SHOW_BOOT_PROGRESS (-1); | |
447 | return 1; | |
448 | } | |
449 | ||
450 | ||
451 | /* Loading ok, update default load address */ | |
452 | ||
453 | load_addr = addr; | |
454 | ||
455 | /* Check if we should attempt an auto-start */ | |
456 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
457 | char *local_args[2]; | |
458 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
459 | ||
460 | local_args[0] = argv[0]; | |
461 | local_args[1] = NULL; | |
462 | ||
463 | printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); | |
464 | ||
465 | do_bootm (cmdtp, 0, 1, local_args); | |
466 | rcode = 1; | |
467 | } | |
468 | return rcode; | |
469 | } | |
470 | ||
471 | /* ------------------------------------------------------------------------- */ | |
472 | ||
473 | void ide_init (void) | |
474 | { | |
475 | DECLARE_GLOBAL_DATA_PTR; | |
476 | ||
477 | #ifdef CONFIG_IDE_8xx_DIRECT | |
478 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
479 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
480 | #endif | |
481 | unsigned char c; | |
482 | int i, bus; | |
c7de829c WD |
483 | #ifdef CONFIG_AMIGAONEG3SE |
484 | unsigned int max_bus_scan; | |
485 | unsigned int ata_reset_time; | |
486 | char *s; | |
487 | #endif | |
c609719b WD |
488 | |
489 | #ifdef CONFIG_IDE_8xx_PCCARD | |
490 | extern int pcmcia_on (void); | |
6069ff26 | 491 | extern int ide_devices_found; /* Initialized in check_ide_device() */ |
c609719b WD |
492 | |
493 | WATCHDOG_RESET(); | |
494 | ||
6069ff26 | 495 | ide_devices_found = 0; |
c609719b | 496 | /* initialize the PCMCIA IDE adapter card */ |
6069ff26 WD |
497 | pcmcia_on(); |
498 | if (!ide_devices_found) | |
c609719b WD |
499 | return; |
500 | udelay (1000000); /* 1 s */ | |
501 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
502 | ||
503 | WATCHDOG_RESET(); | |
504 | ||
505 | /* Initialize PIO timing tables */ | |
506 | for (i=0; i <= IDE_MAX_PIO_MODE; ++i) { | |
507 | pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, | |
508 | gd->bus_clk); | |
509 | pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length, | |
510 | gd->bus_clk); | |
511 | pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, | |
512 | gd->bus_clk); | |
513 | PRINTF ("PIO Mode %d: setup=%2d ns/%d clk" | |
514 | " len=%3d ns/%d clk" | |
515 | " hold=%2d ns/%d clk\n", | |
516 | i, | |
517 | pio_config_ns[i].t_setup, pio_config_clk[i].t_setup, | |
518 | pio_config_ns[i].t_length, pio_config_clk[i].t_length, | |
519 | pio_config_ns[i].t_hold, pio_config_clk[i].t_hold); | |
520 | } | |
521 | ||
522 | /* Reset the IDE just to be sure. | |
523 | * Light LED's to show | |
524 | */ | |
525 | ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */ | |
526 | ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */ | |
527 | ||
528 | #ifdef CONFIG_IDE_8xx_DIRECT | |
529 | /* PCMCIA / IDE initialization for common mem space */ | |
530 | pcmp->pcmc_pgcrb = 0; | |
531 | #endif | |
532 | ||
533 | /* start in PIO mode 0 - most relaxed timings */ | |
534 | pio_mode = 0; | |
535 | set_pcmcia_timing (pio_mode); | |
536 | ||
537 | /* | |
538 | * Wait for IDE to get ready. | |
539 | * According to spec, this can take up to 31 seconds! | |
540 | */ | |
c7de829c | 541 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b WD |
542 | for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) { |
543 | int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS); | |
c7de829c WD |
544 | #else |
545 | s = getenv("ide_maxbus"); | |
546 | if (s) | |
547 | max_bus_scan = simple_strtol(s, NULL, 10); | |
548 | else | |
549 | max_bus_scan = CFG_IDE_MAXBUS; | |
550 | ||
551 | for (bus=0; bus<max_bus_scan; ++bus) { | |
552 | int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan); | |
553 | #endif | |
c609719b | 554 | |
6069ff26 WD |
555 | #ifdef CONFIG_IDE_8xx_PCCARD |
556 | /* Skip non-ide devices from probing */ | |
557 | if ((ide_devices_found & (1 << bus)) == 0) { | |
558 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
559 | continue; | |
560 | } | |
561 | #endif | |
c609719b WD |
562 | printf ("Bus %d: ", bus); |
563 | ||
564 | ide_bus_ok[bus] = 0; | |
565 | ||
566 | /* Select device | |
567 | */ | |
568 | udelay (100000); /* 100 ms */ | |
2262cfee | 569 | ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); |
c609719b | 570 | udelay (100000); /* 100 ms */ |
c7de829c WD |
571 | #ifdef CONFIG_AMIGAONEG3SE |
572 | ata_reset_time = ATA_RESET_TIME; | |
573 | s = getenv("ide_reset_timeout"); | |
574 | if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10); | |
575 | #endif | |
c609719b WD |
576 | i = 0; |
577 | do { | |
578 | udelay (10000); /* 10 ms */ | |
579 | ||
2262cfee | 580 | c = ide_inb (dev, ATA_STATUS); |
c609719b | 581 | i++; |
c7de829c WD |
582 | #ifdef CONFIG_AMIGAONEG3SE |
583 | if (i > (ata_reset_time * 100)) { | |
584 | #else | |
c609719b | 585 | if (i > (ATA_RESET_TIME * 100)) { |
c7de829c | 586 | #endif |
c609719b WD |
587 | puts ("** Timeout **\n"); |
588 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
c7de829c WD |
589 | #ifdef CONFIG_AMIGAONEG3SE |
590 | /* If this is the second bus, the first one was OK */ | |
591 | if (bus != 0) | |
592 | { | |
593 | ide_bus_ok[bus] = 0; | |
594 | goto skip_bus; | |
595 | } | |
596 | #endif | |
c609719b WD |
597 | return; |
598 | } | |
599 | if ((i >= 100) && ((i%100)==0)) { | |
600 | putc ('.'); | |
601 | } | |
602 | } while (c & ATA_STAT_BUSY); | |
603 | ||
604 | if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { | |
605 | puts ("not available "); | |
606 | PRINTF ("Status = 0x%02X ", c); | |
607 | #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ | |
608 | } else if ((c & ATA_STAT_READY) == 0) { | |
609 | puts ("not available "); | |
610 | PRINTF ("Status = 0x%02X ", c); | |
611 | #endif | |
612 | } else { | |
613 | puts ("OK "); | |
614 | ide_bus_ok[bus] = 1; | |
615 | } | |
616 | WATCHDOG_RESET(); | |
617 | } | |
c7de829c WD |
618 | |
619 | #ifdef CONFIG_AMIGAONEG3SE | |
620 | skip_bus: | |
621 | #endif | |
c609719b WD |
622 | putc ('\n'); |
623 | ||
624 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
625 | ||
626 | curr_device = -1; | |
627 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
628 | #ifdef CONFIG_IDE_LED | |
629 | int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; | |
630 | #endif | |
631 | ide_dev_desc[i].if_type=IF_TYPE_IDE; | |
632 | ide_dev_desc[i].dev=i; | |
633 | ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
634 | ide_dev_desc[i].blksz=0; | |
635 | ide_dev_desc[i].lba=0; | |
636 | ide_dev_desc[i].block_read=ide_read; | |
637 | if (!ide_bus_ok[IDE_BUS(i)]) | |
638 | continue; | |
639 | ide_led (led, 1); /* LED on */ | |
640 | ide_ident(&ide_dev_desc[i]); | |
641 | ide_led (led, 0); /* LED off */ | |
642 | dev_print(&ide_dev_desc[i]); | |
643 | /* ide_print (i); */ | |
644 | if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { | |
645 | init_part (&ide_dev_desc[i]); /* initialize partition type */ | |
646 | if (curr_device < 0) | |
647 | curr_device = i; | |
648 | } | |
649 | } | |
650 | WATCHDOG_RESET(); | |
651 | } | |
652 | ||
653 | /* ------------------------------------------------------------------------- */ | |
654 | ||
655 | block_dev_desc_t * ide_get_dev(int dev) | |
656 | { | |
657 | return ((block_dev_desc_t *)&ide_dev_desc[dev]); | |
658 | } | |
659 | ||
660 | ||
661 | #ifdef CONFIG_IDE_8xx_DIRECT | |
662 | ||
663 | static void | |
664 | set_pcmcia_timing (int pmode) | |
665 | { | |
666 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
667 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
668 | ulong timings; | |
669 | ||
670 | PRINTF ("Set timing for PIO Mode %d\n", pmode); | |
671 | ||
672 | timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold) | |
673 | | PCMCIA_SST(pio_config_clk[pmode].t_setup) | |
674 | | PCMCIA_SL (pio_config_clk[pmode].t_length) | |
675 | ; | |
676 | ||
677 | /* IDE 0 | |
678 | */ | |
679 | pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0; | |
680 | pcmp->pcmc_por0 = CFG_PCMCIA_POR0 | |
681 | #if (CFG_PCMCIA_POR0 != 0) | |
682 | | timings | |
683 | #endif | |
684 | ; | |
685 | PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); | |
686 | ||
687 | pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1; | |
688 | pcmp->pcmc_por1 = CFG_PCMCIA_POR1 | |
689 | #if (CFG_PCMCIA_POR1 != 0) | |
690 | | timings | |
691 | #endif | |
692 | ; | |
693 | PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); | |
694 | ||
695 | pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2; | |
696 | pcmp->pcmc_por2 = CFG_PCMCIA_POR2 | |
697 | #if (CFG_PCMCIA_POR2 != 0) | |
698 | | timings | |
699 | #endif | |
700 | ; | |
701 | PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); | |
702 | ||
703 | pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3; | |
704 | pcmp->pcmc_por3 = CFG_PCMCIA_POR3 | |
705 | #if (CFG_PCMCIA_POR3 != 0) | |
706 | | timings | |
707 | #endif | |
708 | ; | |
709 | PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); | |
710 | ||
711 | /* IDE 1 | |
712 | */ | |
713 | pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4; | |
714 | pcmp->pcmc_por4 = CFG_PCMCIA_POR4 | |
715 | #if (CFG_PCMCIA_POR4 != 0) | |
716 | | timings | |
717 | #endif | |
718 | ; | |
719 | PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); | |
720 | ||
721 | pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5; | |
722 | pcmp->pcmc_por5 = CFG_PCMCIA_POR5 | |
723 | #if (CFG_PCMCIA_POR5 != 0) | |
724 | | timings | |
725 | #endif | |
726 | ; | |
727 | PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); | |
728 | ||
729 | pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6; | |
730 | pcmp->pcmc_por6 = CFG_PCMCIA_POR6 | |
731 | #if (CFG_PCMCIA_POR6 != 0) | |
732 | | timings | |
733 | #endif | |
734 | ; | |
735 | PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); | |
736 | ||
737 | pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7; | |
738 | pcmp->pcmc_por7 = CFG_PCMCIA_POR7 | |
739 | #if (CFG_PCMCIA_POR7 != 0) | |
740 | | timings | |
741 | #endif | |
742 | ; | |
743 | PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); | |
744 | ||
745 | } | |
746 | ||
747 | #endif /* CONFIG_IDE_8xx_DIRECT */ | |
748 | ||
749 | /* ------------------------------------------------------------------------- */ | |
750 | ||
2262cfee | 751 | #ifdef __PPC__ |
c609719b | 752 | static void __inline__ |
2262cfee | 753 | ide_outb(int dev, int port, unsigned char val) |
c609719b WD |
754 | { |
755 | /* Ensure I/O operations complete */ | |
756 | __asm__ volatile("eieio"); | |
757 | *((uchar *)(ATA_CURR_BASE(dev)+port)) = val; | |
758 | #if 0 | |
2262cfee | 759 | printf ("ide_outb: 0x%08lx <== 0x%02x\n", ATA_CURR_BASE(dev)+port, val); |
c609719b WD |
760 | #endif |
761 | } | |
2262cfee WD |
762 | #else /* ! __PPC__ */ |
763 | static void __inline__ | |
764 | ide_outb(int dev, int port, unsigned char val) | |
765 | { | |
766 | outb(val, port); | |
767 | } | |
768 | #endif /* __PPC__ */ | |
769 | ||
c609719b | 770 | |
2262cfee | 771 | #ifdef __PPC__ |
c609719b | 772 | static unsigned char __inline__ |
2262cfee | 773 | ide_inb(int dev, int port) |
c609719b WD |
774 | { |
775 | uchar val; | |
776 | /* Ensure I/O operations complete */ | |
777 | __asm__ volatile("eieio"); | |
778 | val = *((uchar *)(ATA_CURR_BASE(dev)+port)); | |
779 | #if 0 | |
2262cfee | 780 | printf ("ide_inb: 0x%08lx ==> 0x%02x\n", ATA_CURR_BASE(dev)+port, val); |
c609719b WD |
781 | #endif |
782 | return (val); | |
783 | } | |
2262cfee WD |
784 | #else /* ! __PPC__ */ |
785 | static unsigned char __inline__ | |
786 | ide_inb(int dev, int port) | |
787 | { | |
788 | return inb(port); | |
789 | } | |
790 | #endif /* __PPC__ */ | |
c609719b | 791 | |
2262cfee | 792 | #ifdef __PPC__ |
cceb871f | 793 | # ifdef CONFIG_AMIGAONEG3SE |
c7de829c WD |
794 | static void |
795 | output_data_short(int dev, ulong *sect_buf, int words) | |
796 | { | |
797 | ushort *dbuf; | |
798 | volatile ushort *pbuf; | |
8bde7f77 | 799 | |
c7de829c WD |
800 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); |
801 | dbuf = (ushort *)sect_buf; | |
802 | while (words--) { | |
803 | __asm__ volatile ("eieio"); | |
804 | *pbuf = *dbuf++; | |
805 | __asm__ volatile ("eieio"); | |
806 | } | |
807 | ||
808 | if (words&1) | |
809 | *pbuf = 0; | |
810 | } | |
cceb871f | 811 | # endif /* CONFIG_AMIGAONEG3SE */ |
c7de829c | 812 | |
c609719b WD |
813 | static void |
814 | input_swap_data(int dev, ulong *sect_buf, int words) | |
815 | { | |
816 | volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
817 | ushort *dbuf = (ushort *)sect_buf; | |
818 | ||
819 | while (words--) { | |
820 | *dbuf++ = ld_le16(pbuf); | |
821 | *dbuf++ = ld_le16(pbuf); | |
822 | } | |
823 | } | |
2262cfee WD |
824 | #else /* ! __PPC__ */ |
825 | #define input_swap_data(x,y,z) input_data(x,y,z) | |
826 | #endif /* __PPC__ */ | |
827 | ||
828 | ||
2262cfee | 829 | #ifdef __PPC__ |
c609719b WD |
830 | static void |
831 | output_data(int dev, ulong *sect_buf, int words) | |
832 | { | |
833 | ushort *dbuf; | |
834 | volatile ushort *pbuf; | |
835 | ||
836 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
837 | dbuf = (ushort *)sect_buf; | |
838 | while (words--) { | |
839 | __asm__ volatile ("eieio"); | |
840 | *pbuf = *dbuf++; | |
841 | __asm__ volatile ("eieio"); | |
842 | *pbuf = *dbuf++; | |
843 | } | |
844 | } | |
2262cfee WD |
845 | #else /* ! __PPC__ */ |
846 | static void | |
847 | output_data(int dev, ulong *sect_buf, int words) | |
848 | { | |
849 | outsw(ATA_DATA_REG, sect_buf, words<<1); | |
850 | } | |
851 | #endif /* __PPC__ */ | |
c609719b | 852 | |
2262cfee | 853 | #ifdef __PPC__ |
c609719b WD |
854 | static void |
855 | input_data(int dev, ulong *sect_buf, int words) | |
856 | { | |
857 | ushort *dbuf; | |
858 | volatile ushort *pbuf; | |
859 | ||
860 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
861 | dbuf = (ushort *)sect_buf; | |
862 | while (words--) { | |
863 | __asm__ volatile ("eieio"); | |
864 | *dbuf++ = *pbuf; | |
865 | __asm__ volatile ("eieio"); | |
866 | *dbuf++ = *pbuf; | |
867 | } | |
868 | } | |
2262cfee WD |
869 | #else /* ! __PPC__ */ |
870 | static void | |
871 | input_data(int dev, ulong *sect_buf, int words) | |
872 | { | |
873 | insw(ATA_DATA_REG, sect_buf, words << 1); | |
874 | } | |
875 | ||
876 | #endif /* __PPC__ */ | |
c609719b | 877 | |
c7de829c WD |
878 | #ifdef CONFIG_AMIGAONEG3SE |
879 | static void | |
880 | input_data_short(int dev, ulong *sect_buf, int words) | |
881 | { | |
882 | ushort *dbuf; | |
883 | volatile ushort *pbuf; | |
884 | ||
885 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
886 | dbuf = (ushort *)sect_buf; | |
887 | while (words--) { | |
888 | __asm__ volatile ("eieio"); | |
889 | *dbuf++ = *pbuf; | |
890 | __asm__ volatile ("eieio"); | |
891 | } | |
892 | ||
893 | if (words&1) | |
894 | { | |
895 | ushort dummy; | |
896 | dummy = *pbuf; | |
897 | } | |
898 | } | |
899 | #endif | |
900 | ||
c609719b WD |
901 | /* ------------------------------------------------------------------------- |
902 | */ | |
903 | static void ide_ident (block_dev_desc_t *dev_desc) | |
904 | { | |
905 | ulong iobuf[ATA_SECTORWORDS]; | |
906 | unsigned char c; | |
907 | hd_driveid_t *iop = (hd_driveid_t *)iobuf; | |
908 | ||
c7de829c WD |
909 | #ifdef CONFIG_AMIGAONEG3SE |
910 | int max_bus_scan; | |
911 | int retries = 0; | |
912 | char *s; | |
913 | int do_retry = 0; | |
914 | #endif | |
915 | ||
c609719b WD |
916 | #if 0 |
917 | int mode, cycle_time; | |
918 | #endif | |
919 | int device; | |
920 | device=dev_desc->dev; | |
921 | printf (" Device %d: ", device); | |
922 | ||
c7de829c WD |
923 | #ifdef CONFIG_AMIGAONEG3SE |
924 | s = getenv("ide_maxbus"); | |
925 | if (s) { | |
926 | max_bus_scan = simple_strtol(s, NULL, 10); | |
927 | } else { | |
928 | max_bus_scan = CFG_IDE_MAXBUS; | |
929 | } | |
930 | if (device >= max_bus_scan*2) { | |
931 | dev_desc->type=DEV_TYPE_UNKNOWN; | |
932 | return; | |
933 | } | |
934 | #endif | |
935 | ||
c609719b WD |
936 | ide_led (DEVICE_LED(device), 1); /* LED on */ |
937 | /* Select device | |
938 | */ | |
2262cfee | 939 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
940 | dev_desc->if_type=IF_TYPE_IDE; |
941 | #ifdef CONFIG_ATAPI | |
c7de829c WD |
942 | |
943 | #ifdef CONFIG_AMIGAONEG3SE | |
944 | do_retry = 0; | |
945 | retries = 0; | |
946 | ||
947 | /* Warning: This will be tricky to read */ | |
948 | while (retries <= 1) | |
949 | { | |
950 | #endif /* CONFIG_AMIGAONEG3SE */ | |
951 | ||
c609719b | 952 | /* check signature */ |
2262cfee WD |
953 | if ((ide_inb(device,ATA_SECT_CNT) == 0x01) && |
954 | (ide_inb(device,ATA_SECT_NUM) == 0x01) && | |
955 | (ide_inb(device,ATA_CYL_LOW) == 0x14) && | |
956 | (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) { | |
c609719b WD |
957 | /* ATAPI Signature found */ |
958 | dev_desc->if_type=IF_TYPE_ATAPI; | |
959 | /* Start Ident Command | |
960 | */ | |
2262cfee | 961 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT); |
c609719b WD |
962 | /* |
963 | * Wait for completion - ATAPI devices need more time | |
964 | * to become ready | |
965 | */ | |
966 | c = ide_wait (device, ATAPI_TIME_OUT); | |
967 | } | |
968 | else | |
969 | #endif | |
970 | { | |
971 | /* Start Ident Command | |
972 | */ | |
2262cfee | 973 | ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT); |
c609719b WD |
974 | |
975 | /* Wait for completion | |
976 | */ | |
977 | c = ide_wait (device, IDE_TIME_OUT); | |
978 | } | |
979 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
980 | ||
981 | if (((c & ATA_STAT_DRQ) == 0) || | |
982 | ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) { | |
c7de829c WD |
983 | #ifdef CONFIG_AMIGAONEG3SE |
984 | if (retries == 0) { | |
985 | do_retry = 1; | |
986 | } else { | |
987 | dev_desc->type=DEV_TYPE_UNKNOWN; | |
988 | return; | |
989 | } | |
990 | #else | |
c609719b WD |
991 | dev_desc->type=DEV_TYPE_UNKNOWN; |
992 | return; | |
c7de829c WD |
993 | #endif /* CONFIG_AMIGAONEG3SE */ |
994 | } | |
995 | ||
996 | #ifdef CONFIG_AMIGAONEG3SE | |
997 | s = getenv("ide_doreset"); | |
998 | if (s && strcmp(s, "on") == 0 && 1 == do_retry) { | |
999 | /* Need to soft reset the device in case it's an ATAPI... */ | |
1000 | PRINTF("Retrying...\n"); | |
1001 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
1002 | udelay(100000); | |
1003 | ide_outb (device, ATA_COMMAND, 0x08); | |
1004 | udelay (100000); /* 100 ms */ | |
1005 | retries++; | |
1006 | } else { | |
1007 | retries = 100; | |
c609719b | 1008 | } |
c7de829c WD |
1009 | } /* see above - ugly to read */ |
1010 | #endif /* CONFIG_AMIGAONEG3SE */ | |
c609719b WD |
1011 | |
1012 | input_swap_data (device, iobuf, ATA_SECTORWORDS); | |
1013 | ||
1014 | ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision)); | |
1015 | ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor)); | |
1016 | ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product)); | |
1017 | ||
1018 | if ((iop->config & 0x0080)==0x0080) | |
1019 | dev_desc->removable = 1; | |
1020 | else | |
1021 | dev_desc->removable = 0; | |
1022 | ||
1023 | #if 0 | |
1024 | /* | |
1025 | * Drive PIO mode autoselection | |
1026 | */ | |
1027 | mode = iop->tPIO; | |
1028 | ||
1029 | printf ("tPIO = 0x%02x = %d\n",mode, mode); | |
1030 | if (mode > 2) { /* 2 is maximum allowed tPIO value */ | |
1031 | mode = 2; | |
1032 | PRINTF ("Override tPIO -> 2\n"); | |
1033 | } | |
1034 | if (iop->field_valid & 2) { /* drive implements ATA2? */ | |
1035 | PRINTF ("Drive implements ATA2\n"); | |
1036 | if (iop->capability & 8) { /* drive supports use_iordy? */ | |
1037 | cycle_time = iop->eide_pio_iordy; | |
1038 | } else { | |
1039 | cycle_time = iop->eide_pio; | |
1040 | } | |
1041 | PRINTF ("cycle time = %d\n", cycle_time); | |
1042 | mode = 4; | |
1043 | if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */ | |
1044 | if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */ | |
1045 | if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */ | |
1046 | if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */ | |
1047 | } | |
1048 | printf ("PIO mode to use: PIO %d\n", mode); | |
1049 | #endif /* 0 */ | |
1050 | ||
1051 | #ifdef CONFIG_ATAPI | |
1052 | if (dev_desc->if_type==IF_TYPE_ATAPI) { | |
1053 | atapi_inquiry(dev_desc); | |
1054 | return; | |
1055 | } | |
1056 | #endif /* CONFIG_ATAPI */ | |
1057 | ||
1058 | /* swap shorts */ | |
1059 | dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16); | |
1060 | /* assuming HD */ | |
1061 | dev_desc->type=DEV_TYPE_HARDDISK; | |
1062 | dev_desc->blksz=ATA_BLOCKSIZE; | |
1063 | dev_desc->lun=0; /* just to fill something in... */ | |
1064 | ||
1065 | #if 0 /* only used to test the powersaving mode, | |
1066 | * if enabled, the drive goes after 5 sec | |
1067 | * in standby mode */ | |
2262cfee | 1068 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1069 | c = ide_wait (device, IDE_TIME_OUT); |
2262cfee WD |
1070 | ide_outb (device, ATA_SECT_CNT, 1); |
1071 | ide_outb (device, ATA_LBA_LOW, 0); | |
1072 | ide_outb (device, ATA_LBA_MID, 0); | |
1073 | ide_outb (device, ATA_LBA_HIGH, 0); | |
1074 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
c609719b | 1075 | ATA_DEVICE(device)); |
2262cfee | 1076 | ide_outb (device, ATA_COMMAND, 0xe3); |
c609719b WD |
1077 | udelay (50); |
1078 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1079 | #endif | |
1080 | } | |
1081 | ||
1082 | ||
1083 | /* ------------------------------------------------------------------------- */ | |
1084 | ||
1085 | ulong ide_read (int device, ulong blknr, ulong blkcnt, ulong *buffer) | |
1086 | { | |
1087 | ulong n = 0; | |
1088 | unsigned char c; | |
1089 | unsigned char pwrsave=0; /* power save */ | |
1090 | ||
1091 | PRINTF ("ide_read dev %d start %lX, blocks %lX buffer at %lX\n", | |
1092 | device, blknr, blkcnt, (ulong)buffer); | |
1093 | ||
1094 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1095 | ||
1096 | /* Select device | |
1097 | */ | |
2262cfee | 1098 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1099 | c = ide_wait (device, IDE_TIME_OUT); |
1100 | ||
1101 | if (c & ATA_STAT_BUSY) { | |
1102 | printf ("IDE read: device %d not ready\n", device); | |
1103 | goto IDE_READ_E; | |
1104 | } | |
1105 | ||
1106 | /* first check if the drive is in Powersaving mode, if yes, | |
1107 | * increase the timeout value */ | |
2262cfee | 1108 | ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR); |
c609719b WD |
1109 | udelay (50); |
1110 | ||
1111 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1112 | ||
1113 | if (c & ATA_STAT_BUSY) { | |
1114 | printf ("IDE read: device %d not ready\n", device); | |
1115 | goto IDE_READ_E; | |
1116 | } | |
1117 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
1118 | printf ("No Powersaving mode %X\n", c); | |
1119 | } else { | |
2262cfee | 1120 | c = ide_inb(device,ATA_SECT_CNT); |
c609719b WD |
1121 | PRINTF("Powersaving %02X\n",c); |
1122 | if(c==0) | |
1123 | pwrsave=1; | |
1124 | } | |
1125 | ||
1126 | ||
1127 | while (blkcnt-- > 0) { | |
1128 | ||
1129 | c = ide_wait (device, IDE_TIME_OUT); | |
1130 | ||
1131 | if (c & ATA_STAT_BUSY) { | |
1132 | printf ("IDE read: device %d not ready\n", device); | |
1133 | break; | |
1134 | } | |
1135 | ||
2262cfee WD |
1136 | ide_outb (device, ATA_SECT_CNT, 1); |
1137 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1138 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1139 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
1140 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
c609719b WD |
1141 | ATA_DEVICE(device) | |
1142 | ((blknr >> 24) & 0xF) ); | |
2262cfee | 1143 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ); |
c609719b WD |
1144 | |
1145 | udelay (50); | |
1146 | ||
1147 | if(pwrsave) { | |
1148 | c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */ | |
1149 | pwrsave=0; | |
1150 | } else { | |
1151 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1152 | } | |
1153 | ||
1154 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
1155 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1156 | device, blknr, c); | |
1157 | break; | |
1158 | } | |
1159 | ||
1160 | input_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1161 | (void) ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1162 | |
1163 | ++n; | |
1164 | ++blknr; | |
1165 | buffer += ATA_SECTORWORDS; | |
1166 | } | |
1167 | IDE_READ_E: | |
1168 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1169 | return (n); | |
1170 | } | |
1171 | ||
1172 | /* ------------------------------------------------------------------------- */ | |
1173 | ||
1174 | ||
1175 | ulong ide_write (int device, ulong blknr, ulong blkcnt, ulong *buffer) | |
1176 | { | |
1177 | ulong n = 0; | |
1178 | unsigned char c; | |
1179 | ||
1180 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1181 | ||
1182 | /* Select device | |
1183 | */ | |
2262cfee | 1184 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1185 | |
1186 | while (blkcnt-- > 0) { | |
1187 | ||
1188 | c = ide_wait (device, IDE_TIME_OUT); | |
1189 | ||
1190 | if (c & ATA_STAT_BUSY) { | |
1191 | printf ("IDE read: device %d not ready\n", device); | |
1192 | goto WR_OUT; | |
1193 | } | |
1194 | ||
2262cfee WD |
1195 | ide_outb (device, ATA_SECT_CNT, 1); |
1196 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1197 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1198 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
1199 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
c609719b WD |
1200 | ATA_DEVICE(device) | |
1201 | ((blknr >> 24) & 0xF) ); | |
2262cfee | 1202 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE); |
c609719b WD |
1203 | |
1204 | udelay (50); | |
1205 | ||
1206 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1207 | ||
1208 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
1209 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1210 | device, blknr, c); | |
1211 | goto WR_OUT; | |
1212 | } | |
1213 | ||
1214 | output_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1215 | c = ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1216 | ++n; |
1217 | ++blknr; | |
1218 | buffer += ATA_SECTORWORDS; | |
1219 | } | |
1220 | WR_OUT: | |
1221 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1222 | return (n); | |
1223 | } | |
1224 | ||
1225 | /* ------------------------------------------------------------------------- */ | |
1226 | ||
1227 | /* | |
1228 | * copy src to dest, skipping leading and trailing blanks and null | |
1229 | * terminate the string | |
1230 | */ | |
1231 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len) | |
1232 | { | |
1233 | int start,end; | |
1234 | ||
1235 | start=0; | |
1236 | while (start<len) { | |
1237 | if (src[start]!=' ') | |
1238 | break; | |
1239 | start++; | |
1240 | } | |
1241 | end=len-1; | |
1242 | while (end>start) { | |
1243 | if (src[end]!=' ') | |
1244 | break; | |
1245 | end--; | |
1246 | } | |
1247 | for ( ; start<=end; start++) { | |
1248 | *dest++=src[start]; | |
1249 | } | |
1250 | *dest='\0'; | |
1251 | } | |
1252 | ||
1253 | /* ------------------------------------------------------------------------- */ | |
1254 | ||
1255 | /* | |
1256 | * Wait until Busy bit is off, or timeout (in ms) | |
1257 | * Return last status | |
1258 | */ | |
1259 | static uchar ide_wait (int dev, ulong t) | |
1260 | { | |
1261 | ulong delay = 10 * t; /* poll every 100 us */ | |
1262 | uchar c; | |
1263 | ||
2262cfee | 1264 | while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { |
c609719b WD |
1265 | udelay (100); |
1266 | if (delay-- == 0) { | |
1267 | break; | |
1268 | } | |
1269 | } | |
1270 | return (c); | |
1271 | } | |
1272 | ||
1273 | /* ------------------------------------------------------------------------- */ | |
1274 | ||
1275 | #ifdef CONFIG_IDE_RESET | |
1276 | extern void ide_set_reset(int idereset); | |
1277 | ||
1278 | static void ide_reset (void) | |
1279 | { | |
1280 | #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR) | |
1281 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
1282 | #endif | |
1283 | int i; | |
1284 | ||
1285 | curr_device = -1; | |
1286 | for (i=0; i<CFG_IDE_MAXBUS; ++i) | |
1287 | ide_bus_ok[i] = 0; | |
1288 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) | |
1289 | ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; | |
1290 | ||
1291 | ide_set_reset (1); /* assert reset */ | |
1292 | ||
1293 | WATCHDOG_RESET(); | |
1294 | ||
1295 | #ifdef CFG_PB_12V_ENABLE | |
1296 | immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */ | |
1297 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE); | |
1298 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE); | |
1299 | immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE; | |
1300 | ||
1301 | /* wait 500 ms for the voltage to stabilize | |
1302 | */ | |
1303 | for (i=0; i<500; ++i) { | |
1304 | udelay (1000); | |
1305 | } | |
1306 | ||
1307 | immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */ | |
1308 | #endif /* CFG_PB_12V_ENABLE */ | |
1309 | ||
1310 | #ifdef CFG_PB_IDE_MOTOR | |
1311 | /* configure IDE Motor voltage monitor pin as input */ | |
1312 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR); | |
1313 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR); | |
1314 | immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR); | |
1315 | ||
1316 | /* wait up to 1 s for the motor voltage to stabilize | |
1317 | */ | |
1318 | for (i=0; i<1000; ++i) { | |
1319 | if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) { | |
1320 | break; | |
1321 | } | |
1322 | udelay (1000); | |
1323 | } | |
1324 | ||
1325 | if (i == 1000) { /* Timeout */ | |
1326 | printf ("\nWarning: 5V for IDE Motor missing\n"); | |
1327 | # ifdef CONFIG_STATUS_LED | |
1328 | # ifdef STATUS_LED_YELLOW | |
1329 | status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON ); | |
1330 | # endif | |
1331 | # ifdef STATUS_LED_GREEN | |
1332 | status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF); | |
1333 | # endif | |
1334 | # endif /* CONFIG_STATUS_LED */ | |
1335 | } | |
1336 | #endif /* CFG_PB_IDE_MOTOR */ | |
1337 | ||
1338 | WATCHDOG_RESET(); | |
1339 | ||
1340 | /* de-assert RESET signal */ | |
1341 | ide_set_reset(0); | |
1342 | ||
1343 | /* wait 250 ms */ | |
1344 | for (i=0; i<250; ++i) { | |
1345 | udelay (1000); | |
1346 | } | |
1347 | } | |
1348 | ||
1349 | #endif /* CONFIG_IDE_RESET */ | |
1350 | ||
1351 | /* ------------------------------------------------------------------------- */ | |
1352 | ||
1f53a416 | 1353 | #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K) |
c609719b WD |
1354 | |
1355 | static uchar led_buffer = 0; /* Buffer for current LED status */ | |
1356 | ||
1357 | static void ide_led (uchar led, uchar status) | |
1358 | { | |
1359 | uchar *led_port = LED_PORT; | |
1360 | ||
1361 | if (status) { /* switch LED on */ | |
1362 | led_buffer |= led; | |
1363 | } else { /* switch LED off */ | |
1364 | led_buffer &= ~led; | |
1365 | } | |
1366 | ||
1367 | *led_port = led_buffer; | |
1368 | } | |
1369 | ||
1370 | #endif /* CONFIG_IDE_LED */ | |
1371 | ||
1372 | /* ------------------------------------------------------------------------- */ | |
1373 | ||
1374 | #ifdef CONFIG_ATAPI | |
1375 | /**************************************************************************** | |
1376 | * ATAPI Support | |
1377 | */ | |
1378 | ||
1379 | ||
c609719b WD |
1380 | #undef ATAPI_DEBUG |
1381 | ||
1382 | #ifdef ATAPI_DEBUG | |
1383 | #define AT_PRINTF(fmt,args...) printf (fmt ,##args) | |
1384 | #else | |
1385 | #define AT_PRINTF(fmt,args...) | |
1386 | #endif | |
1387 | ||
2262cfee | 1388 | #ifdef __PPC__ |
c609719b WD |
1389 | /* since ATAPI may use commands with not 4 bytes alligned length |
1390 | * we have our own transfer functions, 2 bytes alligned */ | |
1391 | static void | |
1392 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1393 | { | |
1394 | ushort *dbuf; | |
1395 | volatile ushort *pbuf; | |
1396 | ||
1397 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1398 | dbuf = (ushort *)sect_buf; | |
1399 | while (shorts--) { | |
1400 | __asm__ volatile ("eieio"); | |
1401 | *pbuf = *dbuf++; | |
1402 | } | |
1403 | } | |
1404 | ||
1405 | static void | |
1406 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1407 | { | |
1408 | ushort *dbuf; | |
1409 | volatile ushort *pbuf; | |
1410 | ||
1411 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1412 | dbuf = (ushort *)sect_buf; | |
1413 | while (shorts--) { | |
1414 | __asm__ volatile ("eieio"); | |
1415 | *dbuf++ = *pbuf; | |
1416 | } | |
1417 | } | |
1418 | ||
2262cfee WD |
1419 | #else /* ! __PPC__ */ |
1420 | static void | |
1421 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1422 | { | |
1423 | outsw(ATA_DATA_REG, sect_buf, shorts); | |
1424 | } | |
1425 | ||
1426 | ||
1427 | static void | |
1428 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1429 | { | |
1430 | insw(ATA_DATA_REG, sect_buf, shorts); | |
1431 | } | |
1432 | ||
1433 | #endif /* __PPC__ */ | |
1434 | ||
c609719b WD |
1435 | /* |
1436 | * Wait until (Status & mask) == res, or timeout (in ms) | |
1437 | * Return last status | |
1438 | * This is used since some ATAPI CD ROMs clears their Busy Bit first | |
1439 | * and then they set their DRQ Bit | |
1440 | */ | |
1441 | static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res) | |
1442 | { | |
1443 | ulong delay = 10 * t; /* poll every 100 us */ | |
1444 | uchar c; | |
1445 | ||
2262cfee WD |
1446 | c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */ |
1447 | while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { | |
c609719b WD |
1448 | /* break if error occurs (doesn't make sense to wait more) */ |
1449 | if((c & ATA_STAT_ERR)==ATA_STAT_ERR) | |
1450 | break; | |
1451 | udelay (100); | |
1452 | if (delay-- == 0) { | |
1453 | break; | |
1454 | } | |
1455 | } | |
1456 | return (c); | |
1457 | } | |
1458 | ||
1459 | /* | |
1460 | * issue an atapi command | |
1461 | */ | |
1462 | unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen) | |
1463 | { | |
1464 | unsigned char c,err,mask,res; | |
1465 | int n; | |
1466 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1467 | ||
1468 | /* Select device | |
1469 | */ | |
1470 | mask = ATA_STAT_BUSY|ATA_STAT_DRQ; | |
1471 | res = 0; | |
c7de829c WD |
1472 | #ifdef CONFIG_AMIGAONEG3SE |
1473 | # warning THF: Removed LBA mode ??? | |
1474 | #endif | |
2262cfee | 1475 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1476 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); |
1477 | if ((c & mask) != res) { | |
1478 | printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c); | |
1479 | err=0xFF; | |
1480 | goto AI_OUT; | |
1481 | } | |
1482 | /* write taskfile */ | |
2262cfee | 1483 | ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ |
c7de829c WD |
1484 | ide_outb (device, ATA_SECT_CNT, 0); |
1485 | ide_outb (device, ATA_SECT_NUM, 0); | |
2262cfee | 1486 | ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF)); |
c7de829c WD |
1487 | ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF)); |
1488 | #ifdef CONFIG_AMIGAONEG3SE | |
1489 | # warning THF: Removed LBA mode ??? | |
1490 | #endif | |
2262cfee | 1491 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1492 | |
2262cfee | 1493 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET); |
c609719b WD |
1494 | udelay (50); |
1495 | ||
1496 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1497 | res = ATA_STAT_DRQ; | |
1498 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1499 | ||
1500 | if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ | |
1501 | printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c); | |
1502 | err=0xFF; | |
1503 | goto AI_OUT; | |
1504 | } | |
1505 | ||
1506 | output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */ | |
1507 | /* ATAPI Command written wait for completition */ | |
1508 | udelay (5000); /* device must set bsy */ | |
1509 | ||
1510 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1511 | /* if no data wait for DRQ = 0 BSY = 0 | |
1512 | * if data wait for DRQ = 1 BSY = 0 */ | |
1513 | res=0; | |
1514 | if(buflen) | |
1515 | res = ATA_STAT_DRQ; | |
1516 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1517 | if ((c & mask) != res ) { | |
1518 | if (c & ATA_STAT_ERR) { | |
2262cfee | 1519 | err=(ide_inb(device,ATA_ERROR_REG))>>4; |
c609719b WD |
1520 | AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c); |
1521 | } else { | |
1522 | printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c); | |
1523 | err=0xFF; | |
1524 | } | |
1525 | goto AI_OUT; | |
1526 | } | |
2262cfee | 1527 | n=ide_inb(device, ATA_CYL_HIGH); |
c609719b | 1528 | n<<=8; |
2262cfee | 1529 | n+=ide_inb(device, ATA_CYL_LOW); |
c609719b WD |
1530 | if(n>buflen) { |
1531 | printf("ERROR, transfer bytes %d requested only %d\n",n,buflen); | |
1532 | err=0xff; | |
1533 | goto AI_OUT; | |
1534 | } | |
1535 | if((n==0)&&(buflen<0)) { | |
1536 | printf("ERROR, transfer bytes %d requested %d\n",n,buflen); | |
1537 | err=0xff; | |
1538 | goto AI_OUT; | |
1539 | } | |
1540 | if(n!=buflen) { | |
1541 | AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen); | |
1542 | } | |
1543 | if(n!=0) { /* data transfer */ | |
1544 | AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n); | |
1545 | /* we transfer shorts */ | |
1546 | n>>=1; | |
1547 | /* ok now decide if it is an in or output */ | |
2262cfee | 1548 | if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) { |
c609719b WD |
1549 | AT_PRINTF("Write to device\n"); |
1550 | output_data_shorts(device,(unsigned short *)buffer,n); | |
1551 | } else { | |
1552 | AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n); | |
1553 | input_data_shorts(device,(unsigned short *)buffer,n); | |
1554 | } | |
1555 | } | |
1556 | udelay(5000); /* seems that some CD ROMs need this... */ | |
1557 | mask = ATA_STAT_BUSY|ATA_STAT_ERR; | |
1558 | res=0; | |
1559 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1560 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
2262cfee | 1561 | err=(ide_inb(device,ATA_ERROR_REG) >> 4); |
c609719b WD |
1562 | AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c); |
1563 | } else { | |
1564 | err = 0; | |
1565 | } | |
1566 | AI_OUT: | |
1567 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1568 | return (err); | |
1569 | } | |
1570 | ||
1571 | /* | |
1572 | * sending the command to atapi_issue. If an status other than good | |
1573 | * returns, an request_sense will be issued | |
1574 | */ | |
1575 | ||
1576 | #define ATAPI_DRIVE_NOT_READY 100 | |
1577 | #define ATAPI_UNIT_ATTN 10 | |
1578 | ||
1579 | unsigned char atapi_issue_autoreq (int device, | |
1580 | unsigned char* ccb, | |
1581 | int ccblen, | |
1582 | unsigned char *buffer, | |
1583 | int buflen) | |
1584 | { | |
1585 | unsigned char sense_data[18],sense_ccb[12]; | |
1586 | unsigned char res,key,asc,ascq; | |
1587 | int notready,unitattn; | |
1588 | ||
c7de829c WD |
1589 | #ifdef CONFIG_AMIGAONEG3SE |
1590 | char *s; | |
1591 | unsigned int timeout, retrycnt; | |
1592 | ||
1593 | s = getenv("ide_cd_timeout"); | |
1594 | timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0; | |
1595 | ||
1596 | retrycnt = 0; | |
1597 | #endif | |
1598 | ||
c609719b WD |
1599 | unitattn=ATAPI_UNIT_ATTN; |
1600 | notready=ATAPI_DRIVE_NOT_READY; | |
1601 | ||
1602 | retry: | |
1603 | res= atapi_issue(device,ccb,ccblen,buffer,buflen); | |
1604 | if (res==0) | |
1605 | return (0); /* Ok */ | |
1606 | ||
1607 | if (res==0xFF) | |
1608 | return (0xFF); /* error */ | |
1609 | ||
1610 | AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res); | |
1611 | ||
1612 | memset(sense_ccb,0,sizeof(sense_ccb)); | |
1613 | memset(sense_data,0,sizeof(sense_data)); | |
1614 | sense_ccb[0]=ATAPI_CMD_REQ_SENSE; | |
c7de829c | 1615 | sense_ccb[4]=18; /* allocation Length */ |
c609719b WD |
1616 | |
1617 | res=atapi_issue(device,sense_ccb,12,sense_data,18); | |
1618 | key=(sense_data[2]&0xF); | |
1619 | asc=(sense_data[12]); | |
1620 | ascq=(sense_data[13]); | |
1621 | ||
1622 | AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res); | |
1623 | AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", | |
1624 | sense_data[0], | |
1625 | key, | |
1626 | asc, | |
1627 | ascq); | |
1628 | ||
1629 | if((key==0)) | |
1630 | return 0; /* ok device ready */ | |
1631 | ||
1632 | if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */ | |
1633 | if(unitattn-->0) { | |
1634 | udelay(200*1000); | |
1635 | goto retry; | |
1636 | } | |
1637 | printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN); | |
1638 | goto error; | |
1639 | } | |
1640 | if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */ | |
1641 | if (notready-->0) { | |
1642 | udelay(200*1000); | |
1643 | goto retry; | |
1644 | } | |
1645 | printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY); | |
1646 | goto error; | |
1647 | } | |
1648 | if(asc==0x3a) { | |
1649 | AT_PRINTF("Media not present\n"); | |
1650 | goto error; | |
1651 | } | |
c7de829c WD |
1652 | |
1653 | #ifdef CONFIG_AMIGAONEG3SE | |
1654 | if ((sense_data[2]&0xF)==0x0B) { | |
1655 | AT_PRINTF("ABORTED COMMAND...retry\n"); | |
1656 | if (retrycnt++ < 4) | |
1657 | goto retry; | |
1658 | return (0xFF); | |
1659 | } | |
1660 | ||
1661 | if ((sense_data[2]&0xf) == 0x02 && | |
1662 | sense_data[12] == 0x04 && | |
1663 | sense_data[13] == 0x01 ) { | |
1664 | AT_PRINTF("Waiting for unit to become active\n"); | |
1665 | udelay(timeout); | |
1666 | if (retrycnt++ < 4) | |
1667 | goto retry; | |
1668 | return 0xFF; | |
1669 | } | |
1670 | #endif /* CONFIG_AMIGAONEG3SE */ | |
1671 | ||
c609719b WD |
1672 | printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); |
1673 | error: | |
1674 | AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); | |
1675 | return (0xFF); | |
1676 | } | |
1677 | ||
1678 | ||
c609719b WD |
1679 | static void atapi_inquiry(block_dev_desc_t * dev_desc) |
1680 | { | |
1681 | unsigned char ccb[12]; /* Command descriptor block */ | |
1682 | unsigned char iobuf[64]; /* temp buf */ | |
1683 | unsigned char c; | |
1684 | int device; | |
1685 | ||
1686 | device=dev_desc->dev; | |
1687 | dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */ | |
1688 | dev_desc->block_read=atapi_read; | |
1689 | ||
1690 | memset(ccb,0,sizeof(ccb)); | |
1691 | memset(iobuf,0,sizeof(iobuf)); | |
1692 | ||
1693 | ccb[0]=ATAPI_CMD_INQUIRY; | |
1694 | ccb[4]=40; /* allocation Legnth */ | |
1695 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40); | |
1696 | ||
1697 | AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c); | |
1698 | if (c!=0) | |
1699 | return; | |
1700 | ||
1701 | /* copy device ident strings */ | |
1702 | ident_cpy(dev_desc->vendor,&iobuf[8],8); | |
1703 | ident_cpy(dev_desc->product,&iobuf[16],16); | |
1704 | ident_cpy(dev_desc->revision,&iobuf[32],5); | |
1705 | ||
1706 | dev_desc->lun=0; | |
1707 | dev_desc->lba=0; | |
1708 | dev_desc->blksz=0; | |
1709 | dev_desc->type=iobuf[0] & 0x1f; | |
1710 | ||
1711 | if ((iobuf[1]&0x80)==0x80) | |
1712 | dev_desc->removable = 1; | |
1713 | else | |
1714 | dev_desc->removable = 0; | |
1715 | ||
1716 | memset(ccb,0,sizeof(ccb)); | |
1717 | memset(iobuf,0,sizeof(iobuf)); | |
1718 | ccb[0]=ATAPI_CMD_START_STOP; | |
1719 | ccb[4]=0x03; /* start */ | |
1720 | ||
1721 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1722 | ||
1723 | AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c); | |
1724 | if (c!=0) | |
1725 | return; | |
1726 | ||
1727 | memset(ccb,0,sizeof(ccb)); | |
1728 | memset(iobuf,0,sizeof(iobuf)); | |
1729 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1730 | ||
1731 | AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c); | |
1732 | if (c!=0) | |
1733 | return; | |
1734 | ||
1735 | memset(ccb,0,sizeof(ccb)); | |
1736 | memset(iobuf,0,sizeof(iobuf)); | |
1737 | ccb[0]=ATAPI_CMD_READ_CAP; | |
1738 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8); | |
1739 | AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c); | |
1740 | if (c!=0) | |
1741 | return; | |
1742 | ||
1743 | AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", | |
1744 | iobuf[0],iobuf[1],iobuf[2],iobuf[3], | |
1745 | iobuf[4],iobuf[5],iobuf[6],iobuf[7]); | |
1746 | ||
1747 | dev_desc->lba =((unsigned long)iobuf[0]<<24) + | |
1748 | ((unsigned long)iobuf[1]<<16) + | |
1749 | ((unsigned long)iobuf[2]<< 8) + | |
1750 | ((unsigned long)iobuf[3]); | |
1751 | dev_desc->blksz=((unsigned long)iobuf[4]<<24) + | |
1752 | ((unsigned long)iobuf[5]<<16) + | |
1753 | ((unsigned long)iobuf[6]<< 8) + | |
1754 | ((unsigned long)iobuf[7]); | |
1755 | return; | |
1756 | } | |
1757 | ||
1758 | ||
1759 | /* | |
1760 | * atapi_read: | |
1761 | * we transfer only one block per command, since the multiple DRQ per | |
1762 | * command is not yet implemented | |
1763 | */ | |
1764 | #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ | |
1765 | #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ | |
1766 | #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */ | |
1767 | ||
1768 | ulong atapi_read (int device, ulong blknr, ulong blkcnt, ulong *buffer) | |
1769 | { | |
1770 | ulong n = 0; | |
1771 | unsigned char ccb[12]; /* Command descriptor block */ | |
1772 | ulong cnt; | |
1773 | ||
1774 | AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n", | |
1775 | device, blknr, blkcnt, (ulong)buffer); | |
1776 | ||
1777 | do { | |
1778 | if (blkcnt>ATAPI_READ_MAX_BLOCK) { | |
1779 | cnt=ATAPI_READ_MAX_BLOCK; | |
1780 | } else { | |
1781 | cnt=blkcnt; | |
1782 | } | |
1783 | ccb[0]=ATAPI_CMD_READ_12; | |
1784 | ccb[1]=0; /* reserved */ | |
1785 | ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */ | |
1786 | ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */ | |
1787 | ccb[4]=(unsigned char) (blknr>> 8) & 0xFF; | |
1788 | ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */ | |
1789 | ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */ | |
1790 | ccb[7]=(unsigned char) (cnt >>16) & 0xFF; | |
1791 | ccb[8]=(unsigned char) (cnt >> 8) & 0xFF; | |
1792 | ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */ | |
1793 | ccb[10]=0; /* reserved */ | |
1794 | ccb[11]=0; /* reserved */ | |
1795 | ||
1796 | if (atapi_issue_autoreq(device,ccb,12, | |
1797 | (unsigned char *)buffer, | |
1798 | cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) { | |
1799 | return (n); | |
1800 | } | |
1801 | n+=cnt; | |
1802 | blkcnt-=cnt; | |
1803 | blknr+=cnt; | |
1804 | buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */ | |
1805 | } while (blkcnt > 0); | |
1806 | return (n); | |
1807 | } | |
1808 | ||
1809 | /* ------------------------------------------------------------------------- */ | |
1810 | ||
1811 | #endif /* CONFIG_ATAPI */ | |
1812 | ||
0d498393 WD |
1813 | U_BOOT_CMD( |
1814 | ide, 5, 1, do_ide, | |
8bde7f77 WD |
1815 | "ide - IDE sub-system\n", |
1816 | "reset - reset IDE controller\n" | |
1817 | "ide info - show available IDE devices\n" | |
1818 | "ide device [dev] - show or set current device\n" | |
1819 | "ide part [dev] - print partition table of one or all IDE devices\n" | |
1820 | "ide read addr blk# cnt\n" | |
1821 | "ide write addr blk# cnt - read/write `cnt'" | |
1822 | " blocks starting at block `blk#'\n" | |
1823 | " to/from memory address `addr'\n" | |
1824 | ); | |
1825 | ||
0d498393 WD |
1826 | U_BOOT_CMD( |
1827 | diskboot, 3, 1, do_diskboot, | |
8bde7f77 WD |
1828 | "diskboot- boot from IDE device\n", |
1829 | "loadAddr dev:part\n" | |
1830 | ); | |
1831 | ||
c609719b | 1832 | #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */ |