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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 | |
132ba5fd WD |
40 | #ifdef CONFIG_MPC5xxx |
41 | #include <mpc5xxx.h> | |
42 | #endif | |
c609719b WD |
43 | #include <ide.h> |
44 | #include <ata.h> | |
c609719b WD |
45 | #ifdef CONFIG_STATUS_LED |
46 | # include <status_led.h> | |
47 | #endif | |
15647dc7 | 48 | #ifndef __PPC__ |
2262cfee | 49 | #include <asm/io.h> |
15647dc7 WD |
50 | #ifdef __MIPS__ |
51 | /* Macros depend on this variable */ | |
52 | static unsigned long mips_io_port_base = 0; | |
53 | #endif | |
2262cfee | 54 | #endif |
c609719b WD |
55 | |
56 | #ifdef CONFIG_SHOW_BOOT_PROGRESS | |
57 | # include <status_led.h> | |
58 | # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) | |
59 | #else | |
60 | # define SHOW_BOOT_PROGRESS(arg) | |
61 | #endif | |
62 | ||
5cf91d6b WD |
63 | #ifdef __PPC__ |
64 | # define EIEIO __asm__ volatile ("eieio") | |
65 | #else | |
66 | # define EIEIO /* nothing */ | |
67 | #endif | |
c609719b WD |
68 | |
69 | #undef IDE_DEBUG | |
70 | ||
c7de829c | 71 | |
c609719b WD |
72 | #ifdef IDE_DEBUG |
73 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
74 | #else | |
75 | #define PRINTF(fmt,args...) | |
76 | #endif | |
77 | ||
78 | #if (CONFIG_COMMANDS & CFG_CMD_IDE) | |
79 | ||
15647dc7 | 80 | #ifdef CONFIG_IDE_8xx_DIRECT |
c609719b WD |
81 | /* Timings for IDE Interface |
82 | * | |
83 | * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk | |
84 | * 70 165 30 PIO-Mode 0, [ns] | |
85 | * 4 9 2 [Cycles] | |
86 | * 50 125 20 PIO-Mode 1, [ns] | |
87 | * 3 7 2 [Cycles] | |
88 | * 30 100 15 PIO-Mode 2, [ns] | |
89 | * 2 6 1 [Cycles] | |
90 | * 30 80 10 PIO-Mode 3, [ns] | |
91 | * 2 5 1 [Cycles] | |
92 | * 25 70 10 PIO-Mode 4, [ns] | |
93 | * 2 4 1 [Cycles] | |
94 | */ | |
95 | ||
96 | const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] = | |
97 | { | |
98 | /* Setup Length Hold */ | |
99 | { 70, 165, 30 }, /* PIO-Mode 0, [ns] */ | |
100 | { 50, 125, 20 }, /* PIO-Mode 1, [ns] */ | |
101 | { 30, 101, 15 }, /* PIO-Mode 2, [ns] */ | |
102 | { 30, 80, 10 }, /* PIO-Mode 3, [ns] */ | |
103 | { 25, 70, 10 }, /* PIO-Mode 4, [ns] */ | |
104 | }; | |
105 | ||
106 | static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1]; | |
107 | ||
108 | #ifndef CFG_PIO_MODE | |
109 | #define CFG_PIO_MODE 0 /* use a relaxed default */ | |
110 | #endif | |
111 | static int pio_mode = CFG_PIO_MODE; | |
112 | ||
113 | /* Make clock cycles and always round up */ | |
114 | ||
115 | #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U ) | |
116 | ||
15647dc7 WD |
117 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
118 | ||
c609719b WD |
119 | /* ------------------------------------------------------------------------- */ |
120 | ||
121 | /* Current I/O Device */ | |
122 | static int curr_device = -1; | |
123 | ||
124 | /* Current offset for IDE0 / IDE1 bus access */ | |
125 | ulong ide_bus_offset[CFG_IDE_MAXBUS] = { | |
126 | #if defined(CFG_ATA_IDE0_OFFSET) | |
127 | CFG_ATA_IDE0_OFFSET, | |
128 | #endif | |
129 | #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1) | |
130 | CFG_ATA_IDE1_OFFSET, | |
131 | #endif | |
132 | }; | |
133 | ||
15647dc7 | 134 | |
c609719b WD |
135 | #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)]) |
136 | ||
c7de829c | 137 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 138 | static int ide_bus_ok[CFG_IDE_MAXBUS]; |
c7de829c WD |
139 | #else |
140 | static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,}; | |
141 | #endif | |
c609719b WD |
142 | |
143 | static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE]; | |
144 | /* ------------------------------------------------------------------------- */ | |
145 | ||
146 | #ifdef CONFIG_IDE_LED | |
0608e04d | 147 | #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) |
c609719b WD |
148 | static void ide_led (uchar led, uchar status); |
149 | #else | |
1f53a416 WD |
150 | extern void ide_led (uchar led, uchar status); |
151 | #endif | |
152 | #else | |
c7de829c | 153 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 154 | #define ide_led(a,b) /* dummy */ |
c7de829c WD |
155 | #else |
156 | extern void ide_led(uchar led, uchar status); | |
157 | #define LED_IDE1 1 | |
158 | #define LED_IDE2 2 | |
159 | #define CONFIG_IDE_LED 1 | |
160 | #define DEVICE_LED(x) 1 | |
161 | #endif | |
c609719b WD |
162 | #endif |
163 | ||
164 | #ifdef CONFIG_IDE_RESET | |
165 | static void ide_reset (void); | |
166 | #else | |
167 | #define ide_reset() /* dummy */ | |
168 | #endif | |
169 | ||
170 | static void ide_ident (block_dev_desc_t *dev_desc); | |
171 | static uchar ide_wait (int dev, ulong t); | |
172 | ||
173 | #define IDE_TIME_OUT 2000 /* 2 sec timeout */ | |
174 | ||
175 | #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */ | |
176 | ||
177 | #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ | |
178 | ||
2262cfee WD |
179 | static void __inline__ ide_outb(int dev, int port, unsigned char val); |
180 | static unsigned char __inline__ ide_inb(int dev, int port); | |
c609719b WD |
181 | static void input_data(int dev, ulong *sect_buf, int words); |
182 | static void output_data(int dev, ulong *sect_buf, int words); | |
183 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
184 | ||
185 | ||
186 | #ifdef CONFIG_ATAPI | |
187 | static void atapi_inquiry(block_dev_desc_t *dev_desc); | |
c40b2956 | 188 | ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer); |
c609719b WD |
189 | #endif |
190 | ||
191 | ||
192 | #ifdef CONFIG_IDE_8xx_DIRECT | |
193 | static void set_pcmcia_timing (int pmode); | |
c609719b WD |
194 | #endif |
195 | ||
196 | /* ------------------------------------------------------------------------- */ | |
197 | ||
198 | int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
199 | { | |
200 | int rcode = 0; | |
201 | ||
202 | switch (argc) { | |
203 | case 0: | |
204 | case 1: | |
205 | printf ("Usage:\n%s\n", cmdtp->usage); | |
206 | return 1; | |
207 | case 2: | |
208 | if (strncmp(argv[1],"res",3) == 0) { | |
209 | puts ("\nReset IDE" | |
210 | #ifdef CONFIG_IDE_8xx_DIRECT | |
211 | " on PCMCIA " PCMCIA_SLOT_MSG | |
212 | #endif | |
213 | ": "); | |
214 | ||
215 | ide_init (); | |
216 | return 0; | |
217 | } else if (strncmp(argv[1],"inf",3) == 0) { | |
218 | int i; | |
219 | ||
220 | putc ('\n'); | |
221 | ||
222 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
223 | if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN) | |
224 | continue; /* list only known devices */ | |
225 | printf ("IDE device %d: ", i); | |
226 | dev_print(&ide_dev_desc[i]); | |
227 | } | |
228 | return 0; | |
229 | ||
230 | } else if (strncmp(argv[1],"dev",3) == 0) { | |
231 | if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) { | |
232 | puts ("\nno IDE devices available\n"); | |
233 | return 1; | |
234 | } | |
235 | printf ("\nIDE device %d: ", curr_device); | |
236 | dev_print(&ide_dev_desc[curr_device]); | |
237 | return 0; | |
238 | } else if (strncmp(argv[1],"part",4) == 0) { | |
239 | int dev, ok; | |
240 | ||
241 | for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) { | |
242 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
243 | ++ok; | |
244 | if (dev) | |
245 | putc ('\n'); | |
246 | print_part(&ide_dev_desc[dev]); | |
247 | } | |
248 | } | |
249 | if (!ok) { | |
250 | puts ("\nno IDE devices available\n"); | |
251 | rcode ++; | |
252 | } | |
253 | return rcode; | |
254 | } | |
255 | printf ("Usage:\n%s\n", cmdtp->usage); | |
256 | return 1; | |
257 | case 3: | |
258 | if (strncmp(argv[1],"dev",3) == 0) { | |
259 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
260 | ||
261 | printf ("\nIDE device %d: ", dev); | |
262 | if (dev >= CFG_IDE_MAXDEVICE) { | |
263 | puts ("unknown device\n"); | |
264 | return 1; | |
265 | } | |
266 | dev_print(&ide_dev_desc[dev]); | |
267 | /*ide_print (dev);*/ | |
268 | ||
269 | if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
270 | return 1; | |
271 | } | |
272 | ||
273 | curr_device = dev; | |
274 | ||
275 | puts ("... is now current device\n"); | |
276 | ||
277 | return 0; | |
278 | } else if (strncmp(argv[1],"part",4) == 0) { | |
279 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
280 | ||
281 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
282 | print_part(&ide_dev_desc[dev]); | |
283 | } else { | |
284 | printf ("\nIDE device %d not available\n", dev); | |
285 | rcode = 1; | |
286 | } | |
287 | return rcode; | |
288 | #if 0 | |
289 | } else if (strncmp(argv[1],"pio",4) == 0) { | |
290 | int mode = (int)simple_strtoul(argv[2], NULL, 10); | |
291 | ||
292 | if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) { | |
293 | puts ("\nSetting "); | |
294 | pio_mode = mode; | |
295 | ide_init (); | |
296 | } else { | |
297 | printf ("\nInvalid PIO mode %d (0 ... %d only)\n", | |
298 | mode, IDE_MAX_PIO_MODE); | |
299 | } | |
300 | return; | |
301 | #endif | |
302 | } | |
303 | ||
304 | printf ("Usage:\n%s\n", cmdtp->usage); | |
305 | return 1; | |
306 | default: | |
307 | /* at least 4 args */ | |
308 | ||
309 | if (strcmp(argv[1],"read") == 0) { | |
310 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
c609719b WD |
311 | ulong cnt = simple_strtoul(argv[4], NULL, 16); |
312 | ulong n; | |
42dfe7a1 WD |
313 | #ifdef CFG_64BIT_STRTOUL |
314 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); | |
c609719b | 315 | |
c40b2956 | 316 | printf ("\nIDE read: device %d block # %qd, count %ld ... ", |
c609719b | 317 | curr_device, blk, cnt); |
42dfe7a1 WD |
318 | #else |
319 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
320 | ||
321 | printf ("\nIDE read: device %d block # %ld, count %ld ... ", | |
322 | curr_device, blk, cnt); | |
323 | #endif | |
c609719b WD |
324 | |
325 | n = ide_dev_desc[curr_device].block_read (curr_device, | |
326 | blk, cnt, | |
327 | (ulong *)addr); | |
328 | /* flush cache after read */ | |
329 | flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz); | |
330 | ||
331 | printf ("%ld blocks read: %s\n", | |
332 | n, (n==cnt) ? "OK" : "ERROR"); | |
333 | if (n==cnt) { | |
334 | return 0; | |
335 | } else { | |
336 | return 1; | |
337 | } | |
338 | } else if (strcmp(argv[1],"write") == 0) { | |
339 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
c609719b WD |
340 | ulong cnt = simple_strtoul(argv[4], NULL, 16); |
341 | ulong n; | |
42dfe7a1 WD |
342 | #ifdef CFG_64BIT_STRTOUL |
343 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); | |
c609719b | 344 | |
c40b2956 | 345 | printf ("\nIDE write: device %d block # %qd, count %ld ... ", |
c609719b | 346 | curr_device, blk, cnt); |
42dfe7a1 WD |
347 | #else |
348 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
349 | ||
350 | printf ("\nIDE write: device %d block # %ld, count %ld ... ", | |
351 | curr_device, blk, cnt); | |
352 | #endif | |
c609719b WD |
353 | |
354 | n = ide_write (curr_device, blk, cnt, (ulong *)addr); | |
355 | ||
356 | printf ("%ld blocks written: %s\n", | |
357 | n, (n==cnt) ? "OK" : "ERROR"); | |
358 | if (n==cnt) { | |
359 | return 0; | |
360 | } else { | |
361 | return 1; | |
362 | } | |
363 | } else { | |
364 | printf ("Usage:\n%s\n", cmdtp->usage); | |
365 | rcode = 1; | |
366 | } | |
367 | ||
368 | return rcode; | |
369 | } | |
370 | } | |
371 | ||
372 | int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
373 | { | |
374 | char *boot_device = NULL; | |
375 | char *ep; | |
376 | int dev, part = 0; | |
377 | ulong cnt; | |
378 | ulong addr; | |
379 | disk_partition_t info; | |
380 | image_header_t *hdr; | |
381 | int rcode = 0; | |
382 | ||
383 | switch (argc) { | |
384 | case 1: | |
385 | addr = CFG_LOAD_ADDR; | |
386 | boot_device = getenv ("bootdevice"); | |
387 | break; | |
388 | case 2: | |
389 | addr = simple_strtoul(argv[1], NULL, 16); | |
390 | boot_device = getenv ("bootdevice"); | |
391 | break; | |
392 | case 3: | |
393 | addr = simple_strtoul(argv[1], NULL, 16); | |
394 | boot_device = argv[2]; | |
395 | break; | |
396 | default: | |
397 | printf ("Usage:\n%s\n", cmdtp->usage); | |
398 | SHOW_BOOT_PROGRESS (-1); | |
399 | return 1; | |
400 | } | |
401 | ||
402 | if (!boot_device) { | |
403 | puts ("\n** No boot device **\n"); | |
404 | SHOW_BOOT_PROGRESS (-1); | |
405 | return 1; | |
406 | } | |
407 | ||
408 | dev = simple_strtoul(boot_device, &ep, 16); | |
409 | ||
410 | if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) { | |
411 | printf ("\n** Device %d not available\n", dev); | |
412 | SHOW_BOOT_PROGRESS (-1); | |
413 | return 1; | |
414 | } | |
415 | ||
416 | if (*ep) { | |
417 | if (*ep != ':') { | |
418 | puts ("\n** Invalid boot device, use `dev[:part]' **\n"); | |
419 | SHOW_BOOT_PROGRESS (-1); | |
420 | return 1; | |
421 | } | |
422 | part = simple_strtoul(++ep, NULL, 16); | |
423 | } | |
424 | if (get_partition_info (&ide_dev_desc[dev], part, &info)) { | |
425 | SHOW_BOOT_PROGRESS (-1); | |
426 | return 1; | |
427 | } | |
4532cb69 WD |
428 | if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && |
429 | (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { | |
c609719b WD |
430 | printf ("\n** Invalid partition type \"%.32s\"" |
431 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
432 | info.type); | |
433 | SHOW_BOOT_PROGRESS (-1); | |
434 | return 1; | |
435 | } | |
436 | ||
437 | printf ("\nLoading from IDE device %d, partition %d: " | |
438 | "Name: %.32s Type: %.32s\n", | |
439 | dev, part, info.name, info.type); | |
440 | ||
441 | PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", | |
442 | info.start, info.size, info.blksz); | |
443 | ||
444 | if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) { | |
445 | printf ("** Read error on %d:%d\n", dev, part); | |
446 | SHOW_BOOT_PROGRESS (-1); | |
447 | return 1; | |
448 | } | |
449 | ||
450 | hdr = (image_header_t *)addr; | |
451 | ||
452 | if (ntohl(hdr->ih_magic) == IH_MAGIC) { | |
453 | ||
454 | print_image_hdr (hdr); | |
455 | ||
456 | cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t)); | |
457 | cnt += info.blksz - 1; | |
458 | cnt /= info.blksz; | |
459 | cnt -= 1; | |
460 | } else { | |
461 | printf("\n** Bad Magic Number **\n"); | |
462 | SHOW_BOOT_PROGRESS (-1); | |
463 | return 1; | |
464 | } | |
465 | ||
466 | if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt, | |
467 | (ulong *)(addr+info.blksz)) != cnt) { | |
468 | printf ("** Read error on %d:%d\n", dev, part); | |
469 | SHOW_BOOT_PROGRESS (-1); | |
470 | return 1; | |
471 | } | |
472 | ||
473 | ||
474 | /* Loading ok, update default load address */ | |
475 | ||
476 | load_addr = addr; | |
477 | ||
478 | /* Check if we should attempt an auto-start */ | |
479 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
480 | char *local_args[2]; | |
481 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
482 | ||
483 | local_args[0] = argv[0]; | |
484 | local_args[1] = NULL; | |
485 | ||
486 | printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); | |
487 | ||
488 | do_bootm (cmdtp, 0, 1, local_args); | |
489 | rcode = 1; | |
490 | } | |
491 | return rcode; | |
492 | } | |
493 | ||
494 | /* ------------------------------------------------------------------------- */ | |
495 | ||
496 | void ide_init (void) | |
497 | { | |
c609719b WD |
498 | |
499 | #ifdef CONFIG_IDE_8xx_DIRECT | |
15647dc7 | 500 | DECLARE_GLOBAL_DATA_PTR; |
c609719b WD |
501 | volatile immap_t *immr = (immap_t *)CFG_IMMR; |
502 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
503 | #endif | |
504 | unsigned char c; | |
505 | int i, bus; | |
c7de829c WD |
506 | #ifdef CONFIG_AMIGAONEG3SE |
507 | unsigned int max_bus_scan; | |
508 | unsigned int ata_reset_time; | |
509 | char *s; | |
510 | #endif | |
9fd5e31f WD |
511 | #ifdef CONFIG_IDE_8xx_PCCARD |
512 | extern int pcmcia_on (void); | |
513 | extern int ide_devices_found; /* Initialized in check_ide_device() */ | |
514 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
515 | ||
516 | #ifdef CONFIG_IDE_PREINIT | |
4d13cbad | 517 | extern int ide_preinit (void); |
9fd5e31f WD |
518 | WATCHDOG_RESET(); |
519 | ||
520 | if (ide_preinit ()) { | |
521 | puts ("ide_preinit failed\n"); | |
522 | return; | |
523 | } | |
524 | #endif /* CONFIG_IDE_PREINIT */ | |
c609719b WD |
525 | |
526 | #ifdef CONFIG_IDE_8xx_PCCARD | |
527 | extern int pcmcia_on (void); | |
6069ff26 | 528 | extern int ide_devices_found; /* Initialized in check_ide_device() */ |
c609719b WD |
529 | |
530 | WATCHDOG_RESET(); | |
531 | ||
6069ff26 | 532 | ide_devices_found = 0; |
c609719b | 533 | /* initialize the PCMCIA IDE adapter card */ |
6069ff26 WD |
534 | pcmcia_on(); |
535 | if (!ide_devices_found) | |
c609719b WD |
536 | return; |
537 | udelay (1000000); /* 1 s */ | |
538 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
539 | ||
540 | WATCHDOG_RESET(); | |
541 | ||
15647dc7 | 542 | #ifdef CONFIG_IDE_8xx_DIRECT |
c609719b WD |
543 | /* Initialize PIO timing tables */ |
544 | for (i=0; i <= IDE_MAX_PIO_MODE; ++i) { | |
545 | pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, | |
546 | gd->bus_clk); | |
547 | pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length, | |
548 | gd->bus_clk); | |
549 | pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, | |
550 | gd->bus_clk); | |
551 | PRINTF ("PIO Mode %d: setup=%2d ns/%d clk" | |
552 | " len=%3d ns/%d clk" | |
553 | " hold=%2d ns/%d clk\n", | |
554 | i, | |
555 | pio_config_ns[i].t_setup, pio_config_clk[i].t_setup, | |
556 | pio_config_ns[i].t_length, pio_config_clk[i].t_length, | |
557 | pio_config_ns[i].t_hold, pio_config_clk[i].t_hold); | |
558 | } | |
15647dc7 | 559 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
c609719b WD |
560 | |
561 | /* Reset the IDE just to be sure. | |
562 | * Light LED's to show | |
563 | */ | |
564 | ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */ | |
565 | ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */ | |
566 | ||
567 | #ifdef CONFIG_IDE_8xx_DIRECT | |
568 | /* PCMCIA / IDE initialization for common mem space */ | |
569 | pcmp->pcmc_pgcrb = 0; | |
c609719b WD |
570 | |
571 | /* start in PIO mode 0 - most relaxed timings */ | |
572 | pio_mode = 0; | |
573 | set_pcmcia_timing (pio_mode); | |
15647dc7 | 574 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
c609719b WD |
575 | |
576 | /* | |
577 | * Wait for IDE to get ready. | |
578 | * According to spec, this can take up to 31 seconds! | |
579 | */ | |
c7de829c | 580 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b WD |
581 | for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) { |
582 | int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS); | |
c7de829c WD |
583 | #else |
584 | s = getenv("ide_maxbus"); | |
585 | if (s) | |
586 | max_bus_scan = simple_strtol(s, NULL, 10); | |
587 | else | |
588 | max_bus_scan = CFG_IDE_MAXBUS; | |
589 | ||
590 | for (bus=0; bus<max_bus_scan; ++bus) { | |
591 | int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan); | |
592 | #endif | |
c609719b | 593 | |
6069ff26 WD |
594 | #ifdef CONFIG_IDE_8xx_PCCARD |
595 | /* Skip non-ide devices from probing */ | |
596 | if ((ide_devices_found & (1 << bus)) == 0) { | |
597 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
598 | continue; | |
599 | } | |
600 | #endif | |
c609719b WD |
601 | printf ("Bus %d: ", bus); |
602 | ||
603 | ide_bus_ok[bus] = 0; | |
604 | ||
605 | /* Select device | |
606 | */ | |
607 | udelay (100000); /* 100 ms */ | |
2262cfee | 608 | ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); |
c609719b | 609 | udelay (100000); /* 100 ms */ |
c7de829c WD |
610 | #ifdef CONFIG_AMIGAONEG3SE |
611 | ata_reset_time = ATA_RESET_TIME; | |
612 | s = getenv("ide_reset_timeout"); | |
613 | if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10); | |
614 | #endif | |
c609719b WD |
615 | i = 0; |
616 | do { | |
617 | udelay (10000); /* 10 ms */ | |
618 | ||
2262cfee | 619 | c = ide_inb (dev, ATA_STATUS); |
c609719b | 620 | i++; |
c7de829c WD |
621 | #ifdef CONFIG_AMIGAONEG3SE |
622 | if (i > (ata_reset_time * 100)) { | |
623 | #else | |
c609719b | 624 | if (i > (ATA_RESET_TIME * 100)) { |
c7de829c | 625 | #endif |
c609719b WD |
626 | puts ("** Timeout **\n"); |
627 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
c7de829c WD |
628 | #ifdef CONFIG_AMIGAONEG3SE |
629 | /* If this is the second bus, the first one was OK */ | |
c40b2956 | 630 | if (bus != 0) { |
c7de829c WD |
631 | ide_bus_ok[bus] = 0; |
632 | goto skip_bus; | |
633 | } | |
634 | #endif | |
c609719b WD |
635 | return; |
636 | } | |
637 | if ((i >= 100) && ((i%100)==0)) { | |
638 | putc ('.'); | |
639 | } | |
640 | } while (c & ATA_STAT_BUSY); | |
641 | ||
642 | if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { | |
643 | puts ("not available "); | |
644 | PRINTF ("Status = 0x%02X ", c); | |
645 | #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ | |
646 | } else if ((c & ATA_STAT_READY) == 0) { | |
647 | puts ("not available "); | |
648 | PRINTF ("Status = 0x%02X ", c); | |
649 | #endif | |
650 | } else { | |
651 | puts ("OK "); | |
652 | ide_bus_ok[bus] = 1; | |
653 | } | |
654 | WATCHDOG_RESET(); | |
655 | } | |
c7de829c WD |
656 | |
657 | #ifdef CONFIG_AMIGAONEG3SE | |
658 | skip_bus: | |
659 | #endif | |
c609719b WD |
660 | putc ('\n'); |
661 | ||
662 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
663 | ||
664 | curr_device = -1; | |
665 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
666 | #ifdef CONFIG_IDE_LED | |
667 | int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; | |
668 | #endif | |
5cf9da48 | 669 | ide_dev_desc[i].type=DEV_TYPE_UNKNOWN; |
c609719b WD |
670 | ide_dev_desc[i].if_type=IF_TYPE_IDE; |
671 | ide_dev_desc[i].dev=i; | |
672 | ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
673 | ide_dev_desc[i].blksz=0; | |
674 | ide_dev_desc[i].lba=0; | |
675 | ide_dev_desc[i].block_read=ide_read; | |
676 | if (!ide_bus_ok[IDE_BUS(i)]) | |
677 | continue; | |
678 | ide_led (led, 1); /* LED on */ | |
679 | ide_ident(&ide_dev_desc[i]); | |
680 | ide_led (led, 0); /* LED off */ | |
681 | dev_print(&ide_dev_desc[i]); | |
682 | /* ide_print (i); */ | |
683 | if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { | |
684 | init_part (&ide_dev_desc[i]); /* initialize partition type */ | |
685 | if (curr_device < 0) | |
686 | curr_device = i; | |
687 | } | |
688 | } | |
689 | WATCHDOG_RESET(); | |
690 | } | |
691 | ||
692 | /* ------------------------------------------------------------------------- */ | |
693 | ||
694 | block_dev_desc_t * ide_get_dev(int dev) | |
695 | { | |
696 | return ((block_dev_desc_t *)&ide_dev_desc[dev]); | |
697 | } | |
698 | ||
699 | ||
700 | #ifdef CONFIG_IDE_8xx_DIRECT | |
701 | ||
702 | static void | |
703 | set_pcmcia_timing (int pmode) | |
704 | { | |
705 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
706 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
707 | ulong timings; | |
708 | ||
709 | PRINTF ("Set timing for PIO Mode %d\n", pmode); | |
710 | ||
711 | timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold) | |
712 | | PCMCIA_SST(pio_config_clk[pmode].t_setup) | |
713 | | PCMCIA_SL (pio_config_clk[pmode].t_length) | |
714 | ; | |
715 | ||
716 | /* IDE 0 | |
717 | */ | |
718 | pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0; | |
719 | pcmp->pcmc_por0 = CFG_PCMCIA_POR0 | |
720 | #if (CFG_PCMCIA_POR0 != 0) | |
721 | | timings | |
722 | #endif | |
723 | ; | |
724 | PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); | |
725 | ||
726 | pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1; | |
727 | pcmp->pcmc_por1 = CFG_PCMCIA_POR1 | |
728 | #if (CFG_PCMCIA_POR1 != 0) | |
729 | | timings | |
730 | #endif | |
731 | ; | |
732 | PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); | |
733 | ||
734 | pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2; | |
735 | pcmp->pcmc_por2 = CFG_PCMCIA_POR2 | |
736 | #if (CFG_PCMCIA_POR2 != 0) | |
737 | | timings | |
738 | #endif | |
739 | ; | |
740 | PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); | |
741 | ||
742 | pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3; | |
743 | pcmp->pcmc_por3 = CFG_PCMCIA_POR3 | |
744 | #if (CFG_PCMCIA_POR3 != 0) | |
745 | | timings | |
746 | #endif | |
747 | ; | |
748 | PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); | |
749 | ||
750 | /* IDE 1 | |
751 | */ | |
752 | pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4; | |
753 | pcmp->pcmc_por4 = CFG_PCMCIA_POR4 | |
754 | #if (CFG_PCMCIA_POR4 != 0) | |
755 | | timings | |
756 | #endif | |
757 | ; | |
758 | PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); | |
759 | ||
760 | pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5; | |
761 | pcmp->pcmc_por5 = CFG_PCMCIA_POR5 | |
762 | #if (CFG_PCMCIA_POR5 != 0) | |
763 | | timings | |
764 | #endif | |
765 | ; | |
766 | PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); | |
767 | ||
768 | pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6; | |
769 | pcmp->pcmc_por6 = CFG_PCMCIA_POR6 | |
770 | #if (CFG_PCMCIA_POR6 != 0) | |
771 | | timings | |
772 | #endif | |
773 | ; | |
774 | PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); | |
775 | ||
776 | pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7; | |
777 | pcmp->pcmc_por7 = CFG_PCMCIA_POR7 | |
778 | #if (CFG_PCMCIA_POR7 != 0) | |
779 | | timings | |
780 | #endif | |
781 | ; | |
782 | PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); | |
783 | ||
784 | } | |
785 | ||
786 | #endif /* CONFIG_IDE_8xx_DIRECT */ | |
787 | ||
788 | /* ------------------------------------------------------------------------- */ | |
789 | ||
db01a2ea | 790 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b | 791 | static void __inline__ |
2262cfee | 792 | ide_outb(int dev, int port, unsigned char val) |
c609719b | 793 | { |
db01a2ea | 794 | PRINTF ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n", |
9fd5e31f | 795 | dev, port, val, (ATA_CURR_BASE(dev)+port)); |
d4ca31c4 | 796 | |
c609719b | 797 | /* Ensure I/O operations complete */ |
5cf91d6b | 798 | EIEIO; |
c609719b | 799 | *((uchar *)(ATA_CURR_BASE(dev)+port)) = val; |
c609719b | 800 | } |
2262cfee WD |
801 | #else /* ! __PPC__ */ |
802 | static void __inline__ | |
803 | ide_outb(int dev, int port, unsigned char val) | |
804 | { | |
15647dc7 | 805 | outb(val, ATA_CURR_BASE(dev)+port); |
2262cfee WD |
806 | } |
807 | #endif /* __PPC__ */ | |
808 | ||
c609719b | 809 | |
db01a2ea | 810 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b | 811 | static unsigned char __inline__ |
2262cfee | 812 | ide_inb(int dev, int port) |
c609719b WD |
813 | { |
814 | uchar val; | |
815 | /* Ensure I/O operations complete */ | |
5cf91d6b | 816 | EIEIO; |
c609719b | 817 | val = *((uchar *)(ATA_CURR_BASE(dev)+port)); |
db01a2ea | 818 | PRINTF ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n", |
9fd5e31f | 819 | dev, port, (ATA_CURR_BASE(dev)+port), val); |
c609719b WD |
820 | return (val); |
821 | } | |
2262cfee WD |
822 | #else /* ! __PPC__ */ |
823 | static unsigned char __inline__ | |
824 | ide_inb(int dev, int port) | |
825 | { | |
15647dc7 | 826 | return inb(ATA_CURR_BASE(dev)+port); |
2262cfee WD |
827 | } |
828 | #endif /* __PPC__ */ | |
c609719b | 829 | |
2262cfee | 830 | #ifdef __PPC__ |
cceb871f | 831 | # ifdef CONFIG_AMIGAONEG3SE |
c7de829c WD |
832 | static void |
833 | output_data_short(int dev, ulong *sect_buf, int words) | |
834 | { | |
835 | ushort *dbuf; | |
836 | volatile ushort *pbuf; | |
8bde7f77 | 837 | |
c7de829c WD |
838 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); |
839 | dbuf = (ushort *)sect_buf; | |
840 | while (words--) { | |
5cf91d6b | 841 | EIEIO; |
c7de829c | 842 | *pbuf = *dbuf++; |
5cf91d6b | 843 | EIEIO; |
c7de829c WD |
844 | } |
845 | ||
846 | if (words&1) | |
847 | *pbuf = 0; | |
848 | } | |
cceb871f | 849 | # endif /* CONFIG_AMIGAONEG3SE */ |
5da627a4 | 850 | #endif /* __PPC_ */ |
c7de829c | 851 | |
5da627a4 WD |
852 | /* We only need to swap data if we are running on a big endian cpu. */ |
853 | /* But Au1x00 cpu:s already swaps data in big endian mode! */ | |
854 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00) | |
855 | #define input_swap_data(x,y,z) input_data(x,y,z) | |
856 | #else | |
c609719b WD |
857 | static void |
858 | input_swap_data(int dev, ulong *sect_buf, int words) | |
859 | { | |
c40b2956 | 860 | #ifndef CONFIG_HMI10 |
c609719b WD |
861 | volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); |
862 | ushort *dbuf = (ushort *)sect_buf; | |
863 | ||
db01a2ea WD |
864 | PRINTF("in input swap data base for read is %lx\n", (unsigned long) pbuf); |
865 | ||
c609719b WD |
866 | while (words--) { |
867 | *dbuf++ = ld_le16(pbuf); | |
868 | *dbuf++ = ld_le16(pbuf); | |
869 | } | |
c40b2956 | 870 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
871 | uchar i; |
872 | volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
873 | volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
874 | ushort *dbuf = (ushort *)sect_buf; | |
875 | ||
876 | while (words--) { | |
877 | for (i=0; i<2; i++) { | |
878 | *(((uchar *)(dbuf)) + 1) = *pbuf_even; | |
879 | *(uchar *)dbuf = *pbuf_odd; | |
880 | dbuf+=1; | |
881 | } | |
882 | } | |
c40b2956 | 883 | #endif /* CONFIG_HMI10 */ |
c609719b | 884 | } |
5da627a4 | 885 | #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */ |
2262cfee WD |
886 | |
887 | ||
db01a2ea | 888 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b WD |
889 | static void |
890 | output_data(int dev, ulong *sect_buf, int words) | |
891 | { | |
c40b2956 | 892 | #ifndef CONFIG_HMI10 |
c609719b WD |
893 | ushort *dbuf; |
894 | volatile ushort *pbuf; | |
895 | ||
896 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
897 | dbuf = (ushort *)sect_buf; | |
898 | while (words--) { | |
5cf91d6b | 899 | EIEIO; |
c609719b | 900 | *pbuf = *dbuf++; |
5cf91d6b | 901 | EIEIO; |
c609719b WD |
902 | *pbuf = *dbuf++; |
903 | } | |
c40b2956 | 904 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
905 | uchar *dbuf; |
906 | volatile uchar *pbuf_even; | |
907 | volatile uchar *pbuf_odd; | |
908 | ||
909 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
910 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
911 | dbuf = (uchar *)sect_buf; | |
912 | while (words--) { | |
5cf91d6b | 913 | EIEIO; |
a522fa0e | 914 | *pbuf_even = *dbuf++; |
5cf91d6b | 915 | EIEIO; |
a522fa0e | 916 | *pbuf_odd = *dbuf++; |
5cf91d6b | 917 | EIEIO; |
a522fa0e | 918 | *pbuf_even = *dbuf++; |
5cf91d6b | 919 | EIEIO; |
a522fa0e WD |
920 | *pbuf_odd = *dbuf++; |
921 | } | |
c40b2956 | 922 | #endif /* CONFIG_HMI10 */ |
c609719b | 923 | } |
2262cfee WD |
924 | #else /* ! __PPC__ */ |
925 | static void | |
926 | output_data(int dev, ulong *sect_buf, int words) | |
927 | { | |
15647dc7 | 928 | outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1); |
2262cfee WD |
929 | } |
930 | #endif /* __PPC__ */ | |
c609719b | 931 | |
db01a2ea | 932 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b WD |
933 | static void |
934 | input_data(int dev, ulong *sect_buf, int words) | |
935 | { | |
c40b2956 | 936 | #ifndef CONFIG_HMI10 |
c609719b WD |
937 | ushort *dbuf; |
938 | volatile ushort *pbuf; | |
939 | ||
940 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
941 | dbuf = (ushort *)sect_buf; | |
db01a2ea WD |
942 | |
943 | PRINTF("in input data base for read is %lx\n", (unsigned long) pbuf); | |
944 | ||
c609719b | 945 | while (words--) { |
5cf91d6b | 946 | EIEIO; |
c609719b | 947 | *dbuf++ = *pbuf; |
5cf91d6b | 948 | EIEIO; |
c609719b WD |
949 | *dbuf++ = *pbuf; |
950 | } | |
c40b2956 | 951 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
952 | uchar *dbuf; |
953 | volatile uchar *pbuf_even; | |
954 | volatile uchar *pbuf_odd; | |
955 | ||
956 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
957 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
958 | dbuf = (uchar *)sect_buf; | |
959 | while (words--) { | |
5cf91d6b | 960 | EIEIO; |
a522fa0e | 961 | *dbuf++ = *pbuf_even; |
5cf91d6b | 962 | EIEIO; |
a522fa0e | 963 | *dbuf++ = *pbuf_odd; |
5cf91d6b | 964 | EIEIO; |
a522fa0e | 965 | *dbuf++ = *pbuf_even; |
5cf91d6b | 966 | EIEIO; |
a522fa0e WD |
967 | *dbuf++ = *pbuf_odd; |
968 | } | |
c40b2956 | 969 | #endif /* CONFIG_HMI10 */ |
c609719b | 970 | } |
2262cfee WD |
971 | #else /* ! __PPC__ */ |
972 | static void | |
973 | input_data(int dev, ulong *sect_buf, int words) | |
974 | { | |
15647dc7 | 975 | insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1); |
2262cfee WD |
976 | } |
977 | ||
978 | #endif /* __PPC__ */ | |
c609719b | 979 | |
c7de829c WD |
980 | #ifdef CONFIG_AMIGAONEG3SE |
981 | static void | |
982 | input_data_short(int dev, ulong *sect_buf, int words) | |
983 | { | |
984 | ushort *dbuf; | |
985 | volatile ushort *pbuf; | |
986 | ||
987 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
988 | dbuf = (ushort *)sect_buf; | |
989 | while (words--) { | |
5cf91d6b | 990 | EIEIO; |
c7de829c | 991 | *dbuf++ = *pbuf; |
5cf91d6b | 992 | EIEIO; |
c7de829c WD |
993 | } |
994 | ||
c40b2956 | 995 | if (words&1) { |
c7de829c WD |
996 | ushort dummy; |
997 | dummy = *pbuf; | |
998 | } | |
999 | } | |
1000 | #endif | |
1001 | ||
c609719b WD |
1002 | /* ------------------------------------------------------------------------- |
1003 | */ | |
1004 | static void ide_ident (block_dev_desc_t *dev_desc) | |
1005 | { | |
1006 | ulong iobuf[ATA_SECTORWORDS]; | |
1007 | unsigned char c; | |
1008 | hd_driveid_t *iop = (hd_driveid_t *)iobuf; | |
1009 | ||
c7de829c WD |
1010 | #ifdef CONFIG_AMIGAONEG3SE |
1011 | int max_bus_scan; | |
c7de829c | 1012 | char *s; |
64f70bed WD |
1013 | #endif |
1014 | #ifdef CONFIG_ATAPI | |
1015 | int retries = 0; | |
c7de829c WD |
1016 | int do_retry = 0; |
1017 | #endif | |
1018 | ||
c609719b WD |
1019 | #if 0 |
1020 | int mode, cycle_time; | |
1021 | #endif | |
1022 | int device; | |
1023 | device=dev_desc->dev; | |
1024 | printf (" Device %d: ", device); | |
1025 | ||
c7de829c WD |
1026 | #ifdef CONFIG_AMIGAONEG3SE |
1027 | s = getenv("ide_maxbus"); | |
1028 | if (s) { | |
1029 | max_bus_scan = simple_strtol(s, NULL, 10); | |
1030 | } else { | |
1031 | max_bus_scan = CFG_IDE_MAXBUS; | |
1032 | } | |
1033 | if (device >= max_bus_scan*2) { | |
1034 | dev_desc->type=DEV_TYPE_UNKNOWN; | |
1035 | return; | |
1036 | } | |
1037 | #endif | |
1038 | ||
c609719b WD |
1039 | ide_led (DEVICE_LED(device), 1); /* LED on */ |
1040 | /* Select device | |
1041 | */ | |
2262cfee | 1042 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1043 | dev_desc->if_type=IF_TYPE_IDE; |
1044 | #ifdef CONFIG_ATAPI | |
c7de829c | 1045 | |
c7de829c WD |
1046 | do_retry = 0; |
1047 | retries = 0; | |
1048 | ||
1049 | /* Warning: This will be tricky to read */ | |
c40b2956 | 1050 | while (retries <= 1) { |
c609719b | 1051 | /* check signature */ |
2262cfee WD |
1052 | if ((ide_inb(device,ATA_SECT_CNT) == 0x01) && |
1053 | (ide_inb(device,ATA_SECT_NUM) == 0x01) && | |
1054 | (ide_inb(device,ATA_CYL_LOW) == 0x14) && | |
1055 | (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) { | |
c609719b WD |
1056 | /* ATAPI Signature found */ |
1057 | dev_desc->if_type=IF_TYPE_ATAPI; | |
1058 | /* Start Ident Command | |
1059 | */ | |
2262cfee | 1060 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT); |
c609719b WD |
1061 | /* |
1062 | * Wait for completion - ATAPI devices need more time | |
1063 | * to become ready | |
1064 | */ | |
1065 | c = ide_wait (device, ATAPI_TIME_OUT); | |
c40b2956 | 1066 | } else |
c609719b WD |
1067 | #endif |
1068 | { | |
1069 | /* Start Ident Command | |
1070 | */ | |
2262cfee | 1071 | ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT); |
c609719b WD |
1072 | |
1073 | /* Wait for completion | |
1074 | */ | |
1075 | c = ide_wait (device, IDE_TIME_OUT); | |
1076 | } | |
1077 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1078 | ||
1079 | if (((c & ATA_STAT_DRQ) == 0) || | |
1080 | ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) { | |
64f70bed | 1081 | #ifdef CONFIG_ATAPI |
c7de829c | 1082 | #ifdef CONFIG_AMIGAONEG3SE |
64f70bed WD |
1083 | s = getenv("ide_doreset"); |
1084 | if (s && strcmp(s, "on") == 0) | |
1085 | #endif | |
1086 | { | |
1087 | /* Need to soft reset the device in case it's an ATAPI... */ | |
1088 | PRINTF("Retrying...\n"); | |
1089 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
1090 | udelay(100000); | |
1091 | ide_outb (device, ATA_COMMAND, 0x08); | |
1092 | udelay (500000); /* 500 ms */ | |
1093 | } | |
1094 | /* Select device | |
1095 | */ | |
c7de829c | 1096 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c7de829c | 1097 | retries++; |
64f70bed WD |
1098 | #else |
1099 | return; | |
1100 | #endif | |
c609719b | 1101 | } |
64f70bed WD |
1102 | #ifdef CONFIG_ATAPI |
1103 | else | |
1104 | break; | |
c7de829c | 1105 | } /* see above - ugly to read */ |
64f70bed WD |
1106 | |
1107 | if (retries == 2) /* Not found */ | |
1108 | return; | |
1109 | #endif | |
c609719b WD |
1110 | |
1111 | input_swap_data (device, iobuf, ATA_SECTORWORDS); | |
1112 | ||
1113 | ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision)); | |
1114 | ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor)); | |
1115 | ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product)); | |
c3f9d493 WD |
1116 | #ifdef __LITTLE_ENDIAN |
1117 | /* | |
1118 | * firmware revision and model number have Big Endian Byte | |
1119 | * order in Word. Convert both to little endian. | |
1120 | * | |
1121 | * See CF+ and CompactFlash Specification Revision 2.0: | |
1122 | * 6.2.1.6: Identfy Drive, Table 39 for more details | |
1123 | */ | |
1124 | ||
1125 | strswab (dev_desc->revision); | |
1126 | strswab (dev_desc->vendor); | |
1127 | #endif /* __LITTLE_ENDIAN */ | |
c609719b WD |
1128 | |
1129 | if ((iop->config & 0x0080)==0x0080) | |
1130 | dev_desc->removable = 1; | |
1131 | else | |
1132 | dev_desc->removable = 0; | |
1133 | ||
1134 | #if 0 | |
1135 | /* | |
1136 | * Drive PIO mode autoselection | |
1137 | */ | |
1138 | mode = iop->tPIO; | |
1139 | ||
1140 | printf ("tPIO = 0x%02x = %d\n",mode, mode); | |
1141 | if (mode > 2) { /* 2 is maximum allowed tPIO value */ | |
1142 | mode = 2; | |
1143 | PRINTF ("Override tPIO -> 2\n"); | |
1144 | } | |
1145 | if (iop->field_valid & 2) { /* drive implements ATA2? */ | |
1146 | PRINTF ("Drive implements ATA2\n"); | |
1147 | if (iop->capability & 8) { /* drive supports use_iordy? */ | |
1148 | cycle_time = iop->eide_pio_iordy; | |
1149 | } else { | |
1150 | cycle_time = iop->eide_pio; | |
1151 | } | |
1152 | PRINTF ("cycle time = %d\n", cycle_time); | |
1153 | mode = 4; | |
1154 | if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */ | |
1155 | if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */ | |
1156 | if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */ | |
1157 | if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */ | |
1158 | } | |
1159 | printf ("PIO mode to use: PIO %d\n", mode); | |
1160 | #endif /* 0 */ | |
1161 | ||
1162 | #ifdef CONFIG_ATAPI | |
1163 | if (dev_desc->if_type==IF_TYPE_ATAPI) { | |
1164 | atapi_inquiry(dev_desc); | |
1165 | return; | |
1166 | } | |
1167 | #endif /* CONFIG_ATAPI */ | |
1168 | ||
c3f9d493 | 1169 | #ifdef __BIG_ENDIAN |
c609719b WD |
1170 | /* swap shorts */ |
1171 | dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16); | |
c3f9d493 WD |
1172 | #else /* ! __BIG_ENDIAN */ |
1173 | /* | |
1174 | * do not swap shorts on little endian | |
1175 | * | |
1176 | * See CF+ and CompactFlash Specification Revision 2.0: | |
1177 | * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details. | |
1178 | */ | |
1179 | dev_desc->lba = iop->lba_capacity; | |
1180 | #endif /* __BIG_ENDIAN */ | |
c40b2956 | 1181 | |
42dfe7a1 | 1182 | #ifdef CONFIG_LBA48 |
c40b2956 | 1183 | if (iop->command_set_2 & 0x0400) { /* LBA 48 support */ |
6e592385 WD |
1184 | dev_desc->lba48 = 1; |
1185 | dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] | | |
c40b2956 WD |
1186 | ((unsigned long long)iop->lba48_capacity[1] << 16) | |
1187 | ((unsigned long long)iop->lba48_capacity[2] << 32) | | |
1188 | ((unsigned long long)iop->lba48_capacity[3] << 48); | |
1189 | } else { | |
c40b2956 WD |
1190 | dev_desc->lba48 = 0; |
1191 | } | |
1192 | #endif /* CONFIG_LBA48 */ | |
c609719b WD |
1193 | /* assuming HD */ |
1194 | dev_desc->type=DEV_TYPE_HARDDISK; | |
1195 | dev_desc->blksz=ATA_BLOCKSIZE; | |
1196 | dev_desc->lun=0; /* just to fill something in... */ | |
1197 | ||
1198 | #if 0 /* only used to test the powersaving mode, | |
1199 | * if enabled, the drive goes after 5 sec | |
1200 | * in standby mode */ | |
2262cfee | 1201 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1202 | c = ide_wait (device, IDE_TIME_OUT); |
2262cfee WD |
1203 | ide_outb (device, ATA_SECT_CNT, 1); |
1204 | ide_outb (device, ATA_LBA_LOW, 0); | |
1205 | ide_outb (device, ATA_LBA_MID, 0); | |
1206 | ide_outb (device, ATA_LBA_HIGH, 0); | |
1207 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
c609719b | 1208 | ATA_DEVICE(device)); |
2262cfee | 1209 | ide_outb (device, ATA_COMMAND, 0xe3); |
c609719b WD |
1210 | udelay (50); |
1211 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1212 | #endif | |
1213 | } | |
1214 | ||
1215 | ||
1216 | /* ------------------------------------------------------------------------- */ | |
1217 | ||
c40b2956 | 1218 | ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
1219 | { |
1220 | ulong n = 0; | |
1221 | unsigned char c; | |
1222 | unsigned char pwrsave=0; /* power save */ | |
42dfe7a1 | 1223 | #ifdef CONFIG_LBA48 |
c40b2956 | 1224 | unsigned char lba48 = 0; |
c609719b | 1225 | |
c40b2956 WD |
1226 | if (blknr & 0x0000fffff0000000) { |
1227 | /* more than 28 bits used, use 48bit mode */ | |
1228 | lba48 = 1; | |
1229 | } | |
1230 | #endif | |
1231 | PRINTF ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n", | |
c609719b WD |
1232 | device, blknr, blkcnt, (ulong)buffer); |
1233 | ||
1234 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1235 | ||
1236 | /* Select device | |
1237 | */ | |
2262cfee | 1238 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1239 | c = ide_wait (device, IDE_TIME_OUT); |
1240 | ||
1241 | if (c & ATA_STAT_BUSY) { | |
1242 | printf ("IDE read: device %d not ready\n", device); | |
1243 | goto IDE_READ_E; | |
1244 | } | |
1245 | ||
1246 | /* first check if the drive is in Powersaving mode, if yes, | |
1247 | * increase the timeout value */ | |
2262cfee | 1248 | ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR); |
c609719b WD |
1249 | udelay (50); |
1250 | ||
1251 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1252 | ||
1253 | if (c & ATA_STAT_BUSY) { | |
1254 | printf ("IDE read: device %d not ready\n", device); | |
1255 | goto IDE_READ_E; | |
1256 | } | |
1257 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
1258 | printf ("No Powersaving mode %X\n", c); | |
1259 | } else { | |
2262cfee | 1260 | c = ide_inb(device,ATA_SECT_CNT); |
c609719b WD |
1261 | PRINTF("Powersaving %02X\n",c); |
1262 | if(c==0) | |
1263 | pwrsave=1; | |
1264 | } | |
1265 | ||
1266 | ||
1267 | while (blkcnt-- > 0) { | |
1268 | ||
1269 | c = ide_wait (device, IDE_TIME_OUT); | |
1270 | ||
1271 | if (c & ATA_STAT_BUSY) { | |
1272 | printf ("IDE read: device %d not ready\n", device); | |
1273 | break; | |
1274 | } | |
42dfe7a1 | 1275 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1276 | if (lba48) { |
1277 | /* write high bits */ | |
1278 | ide_outb (device, ATA_SECT_CNT, 0); | |
1279 | ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
1280 | ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); | |
1281 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
1282 | } | |
1283 | #endif | |
2262cfee WD |
1284 | ide_outb (device, ATA_SECT_CNT, 1); |
1285 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1286 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1287 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1288 | |
42dfe7a1 | 1289 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1290 | if (lba48) { |
1291 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); | |
1292 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT); | |
1293 | ||
1294 | } else | |
1295 | #endif | |
1296 | { | |
1297 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
1298 | ATA_DEVICE(device) | | |
1299 | ((blknr >> 24) & 0xF) ); | |
1300 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ); | |
1301 | } | |
c609719b WD |
1302 | |
1303 | udelay (50); | |
1304 | ||
1305 | if(pwrsave) { | |
1306 | c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */ | |
1307 | pwrsave=0; | |
1308 | } else { | |
1309 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1310 | } | |
1311 | ||
1312 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
42dfe7a1 | 1313 | #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF) |
c40b2956 | 1314 | printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n", |
c609719b | 1315 | device, blknr, c); |
c40b2956 WD |
1316 | #else |
1317 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1318 | device, (ulong)blknr, c); | |
1319 | #endif | |
c609719b WD |
1320 | break; |
1321 | } | |
1322 | ||
1323 | input_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1324 | (void) ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1325 | |
1326 | ++n; | |
1327 | ++blknr; | |
1328 | buffer += ATA_SECTORWORDS; | |
1329 | } | |
1330 | IDE_READ_E: | |
1331 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1332 | return (n); | |
1333 | } | |
1334 | ||
1335 | /* ------------------------------------------------------------------------- */ | |
1336 | ||
1337 | ||
c40b2956 | 1338 | ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
1339 | { |
1340 | ulong n = 0; | |
1341 | unsigned char c; | |
42dfe7a1 | 1342 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1343 | unsigned char lba48 = 0; |
1344 | ||
1345 | if (blknr & 0x0000fffff0000000) { | |
1346 | /* more than 28 bits used, use 48bit mode */ | |
1347 | lba48 = 1; | |
1348 | } | |
1349 | #endif | |
c609719b WD |
1350 | |
1351 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1352 | ||
1353 | /* Select device | |
1354 | */ | |
2262cfee | 1355 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1356 | |
1357 | while (blkcnt-- > 0) { | |
1358 | ||
1359 | c = ide_wait (device, IDE_TIME_OUT); | |
1360 | ||
1361 | if (c & ATA_STAT_BUSY) { | |
1362 | printf ("IDE read: device %d not ready\n", device); | |
1363 | goto WR_OUT; | |
1364 | } | |
42dfe7a1 | 1365 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1366 | if (lba48) { |
1367 | /* write high bits */ | |
1368 | ide_outb (device, ATA_SECT_CNT, 0); | |
1369 | ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
1370 | ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); | |
1371 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
1372 | } | |
1373 | #endif | |
2262cfee WD |
1374 | ide_outb (device, ATA_SECT_CNT, 1); |
1375 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1376 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1377 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1378 | |
42dfe7a1 | 1379 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1380 | if (lba48) { |
1381 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); | |
1382 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT); | |
1383 | ||
1384 | } else | |
1385 | #endif | |
1386 | { | |
1387 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
1388 | ATA_DEVICE(device) | | |
1389 | ((blknr >> 24) & 0xF) ); | |
1390 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE); | |
1391 | } | |
c609719b WD |
1392 | |
1393 | udelay (50); | |
1394 | ||
1395 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1396 | ||
1397 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
42dfe7a1 | 1398 | #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF) |
c40b2956 | 1399 | printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n", |
c609719b | 1400 | device, blknr, c); |
c40b2956 WD |
1401 | #else |
1402 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1403 | device, (ulong)blknr, c); | |
1404 | #endif | |
c609719b WD |
1405 | goto WR_OUT; |
1406 | } | |
1407 | ||
1408 | output_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1409 | c = ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1410 | ++n; |
1411 | ++blknr; | |
1412 | buffer += ATA_SECTORWORDS; | |
1413 | } | |
1414 | WR_OUT: | |
1415 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1416 | return (n); | |
1417 | } | |
1418 | ||
1419 | /* ------------------------------------------------------------------------- */ | |
1420 | ||
1421 | /* | |
1422 | * copy src to dest, skipping leading and trailing blanks and null | |
1423 | * terminate the string | |
7d7ce412 | 1424 | * "len" is the size of available memory including the terminating '\0' |
c609719b | 1425 | */ |
7d7ce412 | 1426 | static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len) |
c609719b | 1427 | { |
7d7ce412 WD |
1428 | unsigned char *end, *last; |
1429 | ||
1430 | last = dst; | |
6fb6af6d | 1431 | end = src + len - 1; |
7d7ce412 WD |
1432 | |
1433 | /* reserve space for '\0' */ | |
1434 | if (len < 2) | |
1435 | goto OUT; | |
efa329cb | 1436 | |
7d7ce412 WD |
1437 | /* skip leading white space */ |
1438 | while ((*src) && (src<end) && (*src==' ')) | |
1439 | ++src; | |
1440 | ||
1441 | /* copy string, omitting trailing white space */ | |
1442 | while ((*src) && (src<end)) { | |
1443 | *dst++ = *src; | |
1444 | if (*src++ != ' ') | |
1445 | last = dst; | |
c609719b | 1446 | } |
7d7ce412 WD |
1447 | OUT: |
1448 | *last = '\0'; | |
c609719b WD |
1449 | } |
1450 | ||
1451 | /* ------------------------------------------------------------------------- */ | |
1452 | ||
1453 | /* | |
1454 | * Wait until Busy bit is off, or timeout (in ms) | |
1455 | * Return last status | |
1456 | */ | |
1457 | static uchar ide_wait (int dev, ulong t) | |
1458 | { | |
1459 | ulong delay = 10 * t; /* poll every 100 us */ | |
1460 | uchar c; | |
1461 | ||
2262cfee | 1462 | while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { |
c609719b WD |
1463 | udelay (100); |
1464 | if (delay-- == 0) { | |
1465 | break; | |
1466 | } | |
1467 | } | |
1468 | return (c); | |
1469 | } | |
1470 | ||
1471 | /* ------------------------------------------------------------------------- */ | |
1472 | ||
1473 | #ifdef CONFIG_IDE_RESET | |
1474 | extern void ide_set_reset(int idereset); | |
1475 | ||
1476 | static void ide_reset (void) | |
1477 | { | |
1478 | #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR) | |
1479 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
1480 | #endif | |
1481 | int i; | |
1482 | ||
1483 | curr_device = -1; | |
1484 | for (i=0; i<CFG_IDE_MAXBUS; ++i) | |
1485 | ide_bus_ok[i] = 0; | |
1486 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) | |
1487 | ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; | |
1488 | ||
1489 | ide_set_reset (1); /* assert reset */ | |
1490 | ||
1491 | WATCHDOG_RESET(); | |
1492 | ||
1493 | #ifdef CFG_PB_12V_ENABLE | |
1494 | immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */ | |
1495 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE); | |
1496 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE); | |
1497 | immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE; | |
1498 | ||
1499 | /* wait 500 ms for the voltage to stabilize | |
1500 | */ | |
1501 | for (i=0; i<500; ++i) { | |
1502 | udelay (1000); | |
1503 | } | |
1504 | ||
1505 | immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */ | |
1506 | #endif /* CFG_PB_12V_ENABLE */ | |
1507 | ||
1508 | #ifdef CFG_PB_IDE_MOTOR | |
1509 | /* configure IDE Motor voltage monitor pin as input */ | |
1510 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR); | |
1511 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR); | |
1512 | immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR); | |
1513 | ||
1514 | /* wait up to 1 s for the motor voltage to stabilize | |
1515 | */ | |
1516 | for (i=0; i<1000; ++i) { | |
1517 | if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) { | |
1518 | break; | |
1519 | } | |
1520 | udelay (1000); | |
1521 | } | |
1522 | ||
1523 | if (i == 1000) { /* Timeout */ | |
1524 | printf ("\nWarning: 5V for IDE Motor missing\n"); | |
1525 | # ifdef CONFIG_STATUS_LED | |
1526 | # ifdef STATUS_LED_YELLOW | |
1527 | status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON ); | |
1528 | # endif | |
1529 | # ifdef STATUS_LED_GREEN | |
1530 | status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF); | |
1531 | # endif | |
1532 | # endif /* CONFIG_STATUS_LED */ | |
1533 | } | |
1534 | #endif /* CFG_PB_IDE_MOTOR */ | |
1535 | ||
1536 | WATCHDOG_RESET(); | |
1537 | ||
1538 | /* de-assert RESET signal */ | |
1539 | ide_set_reset(0); | |
1540 | ||
1541 | /* wait 250 ms */ | |
1542 | for (i=0; i<250; ++i) { | |
1543 | udelay (1000); | |
1544 | } | |
1545 | } | |
1546 | ||
1547 | #endif /* CONFIG_IDE_RESET */ | |
1548 | ||
1549 | /* ------------------------------------------------------------------------- */ | |
1550 | ||
0608e04d WD |
1551 | #if defined(CONFIG_IDE_LED) && \ |
1552 | !defined(CONFIG_AMIGAONEG3SE) && \ | |
1553 | !defined(CONFIG_KUP4K) && \ | |
1554 | !defined(CONFIG_KUP4X) && \ | |
1555 | !defined(CONFIG_HMI10) | |
c609719b WD |
1556 | |
1557 | static uchar led_buffer = 0; /* Buffer for current LED status */ | |
1558 | ||
1559 | static void ide_led (uchar led, uchar status) | |
1560 | { | |
1561 | uchar *led_port = LED_PORT; | |
1562 | ||
1563 | if (status) { /* switch LED on */ | |
1564 | led_buffer |= led; | |
1565 | } else { /* switch LED off */ | |
1566 | led_buffer &= ~led; | |
1567 | } | |
1568 | ||
1569 | *led_port = led_buffer; | |
1570 | } | |
1571 | ||
1572 | #endif /* CONFIG_IDE_LED */ | |
1573 | ||
1574 | /* ------------------------------------------------------------------------- */ | |
1575 | ||
1576 | #ifdef CONFIG_ATAPI | |
1577 | /**************************************************************************** | |
1578 | * ATAPI Support | |
1579 | */ | |
1580 | ||
1581 | ||
c609719b WD |
1582 | #undef ATAPI_DEBUG |
1583 | ||
1584 | #ifdef ATAPI_DEBUG | |
1585 | #define AT_PRINTF(fmt,args...) printf (fmt ,##args) | |
1586 | #else | |
1587 | #define AT_PRINTF(fmt,args...) | |
1588 | #endif | |
1589 | ||
db01a2ea | 1590 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b WD |
1591 | /* since ATAPI may use commands with not 4 bytes alligned length |
1592 | * we have our own transfer functions, 2 bytes alligned */ | |
1593 | static void | |
1594 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1595 | { | |
c40b2956 | 1596 | #ifndef CONFIG_HMI10 |
c609719b WD |
1597 | ushort *dbuf; |
1598 | volatile ushort *pbuf; | |
1599 | ||
1600 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1601 | dbuf = (ushort *)sect_buf; | |
db01a2ea WD |
1602 | |
1603 | PRINTF("in output data shorts base for read is %lx\n", (unsigned long) pbuf); | |
1604 | ||
c609719b | 1605 | while (shorts--) { |
5cf91d6b | 1606 | EIEIO; |
c609719b WD |
1607 | *pbuf = *dbuf++; |
1608 | } | |
c40b2956 | 1609 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
1610 | uchar *dbuf; |
1611 | volatile uchar *pbuf_even; | |
1612 | volatile uchar *pbuf_odd; | |
1613 | ||
1614 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
1615 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
1616 | while (shorts--) { | |
5cf91d6b | 1617 | EIEIO; |
a522fa0e | 1618 | *pbuf_even = *dbuf++; |
5cf91d6b | 1619 | EIEIO; |
a522fa0e WD |
1620 | *pbuf_odd = *dbuf++; |
1621 | } | |
c40b2956 | 1622 | #endif /* CONFIG_HMI10 */ |
c609719b WD |
1623 | } |
1624 | ||
1625 | static void | |
1626 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1627 | { | |
c40b2956 | 1628 | #ifndef CONFIG_HMI10 |
c609719b WD |
1629 | ushort *dbuf; |
1630 | volatile ushort *pbuf; | |
1631 | ||
1632 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1633 | dbuf = (ushort *)sect_buf; | |
db01a2ea WD |
1634 | |
1635 | PRINTF("in input data shorts base for read is %lx\n", (unsigned long) pbuf); | |
1636 | ||
c609719b | 1637 | while (shorts--) { |
5cf91d6b | 1638 | EIEIO; |
c609719b WD |
1639 | *dbuf++ = *pbuf; |
1640 | } | |
c40b2956 | 1641 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
1642 | uchar *dbuf; |
1643 | volatile uchar *pbuf_even; | |
1644 | volatile uchar *pbuf_odd; | |
1645 | ||
1646 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
1647 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
1648 | while (shorts--) { | |
5cf91d6b | 1649 | EIEIO; |
a522fa0e | 1650 | *dbuf++ = *pbuf_even; |
5cf91d6b | 1651 | EIEIO; |
a522fa0e WD |
1652 | *dbuf++ = *pbuf_odd; |
1653 | } | |
c40b2956 | 1654 | #endif /* CONFIG_HMI10 */ |
c609719b WD |
1655 | } |
1656 | ||
2262cfee WD |
1657 | #else /* ! __PPC__ */ |
1658 | static void | |
1659 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1660 | { | |
15647dc7 | 1661 | outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1662 | } |
1663 | ||
1664 | ||
1665 | static void | |
1666 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1667 | { | |
15647dc7 | 1668 | insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1669 | } |
1670 | ||
1671 | #endif /* __PPC__ */ | |
1672 | ||
c609719b WD |
1673 | /* |
1674 | * Wait until (Status & mask) == res, or timeout (in ms) | |
1675 | * Return last status | |
1676 | * This is used since some ATAPI CD ROMs clears their Busy Bit first | |
1677 | * and then they set their DRQ Bit | |
1678 | */ | |
1679 | static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res) | |
1680 | { | |
1681 | ulong delay = 10 * t; /* poll every 100 us */ | |
1682 | uchar c; | |
1683 | ||
2262cfee WD |
1684 | c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */ |
1685 | while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { | |
c609719b WD |
1686 | /* break if error occurs (doesn't make sense to wait more) */ |
1687 | if((c & ATA_STAT_ERR)==ATA_STAT_ERR) | |
1688 | break; | |
1689 | udelay (100); | |
1690 | if (delay-- == 0) { | |
1691 | break; | |
1692 | } | |
1693 | } | |
1694 | return (c); | |
1695 | } | |
1696 | ||
1697 | /* | |
1698 | * issue an atapi command | |
1699 | */ | |
1700 | unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen) | |
1701 | { | |
1702 | unsigned char c,err,mask,res; | |
1703 | int n; | |
1704 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1705 | ||
1706 | /* Select device | |
1707 | */ | |
1708 | mask = ATA_STAT_BUSY|ATA_STAT_DRQ; | |
1709 | res = 0; | |
c7de829c WD |
1710 | #ifdef CONFIG_AMIGAONEG3SE |
1711 | # warning THF: Removed LBA mode ??? | |
1712 | #endif | |
2262cfee | 1713 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1714 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); |
1715 | if ((c & mask) != res) { | |
1716 | printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c); | |
1717 | err=0xFF; | |
1718 | goto AI_OUT; | |
1719 | } | |
1720 | /* write taskfile */ | |
2262cfee | 1721 | ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ |
c7de829c WD |
1722 | ide_outb (device, ATA_SECT_CNT, 0); |
1723 | ide_outb (device, ATA_SECT_NUM, 0); | |
2262cfee | 1724 | ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF)); |
c7de829c WD |
1725 | ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF)); |
1726 | #ifdef CONFIG_AMIGAONEG3SE | |
1727 | # warning THF: Removed LBA mode ??? | |
1728 | #endif | |
2262cfee | 1729 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1730 | |
2262cfee | 1731 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET); |
c609719b WD |
1732 | udelay (50); |
1733 | ||
1734 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1735 | res = ATA_STAT_DRQ; | |
1736 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1737 | ||
1738 | if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ | |
1739 | printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c); | |
1740 | err=0xFF; | |
1741 | goto AI_OUT; | |
1742 | } | |
1743 | ||
1744 | output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */ | |
1745 | /* ATAPI Command written wait for completition */ | |
1746 | udelay (5000); /* device must set bsy */ | |
1747 | ||
1748 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1749 | /* if no data wait for DRQ = 0 BSY = 0 | |
1750 | * if data wait for DRQ = 1 BSY = 0 */ | |
1751 | res=0; | |
1752 | if(buflen) | |
1753 | res = ATA_STAT_DRQ; | |
1754 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1755 | if ((c & mask) != res ) { | |
1756 | if (c & ATA_STAT_ERR) { | |
2262cfee | 1757 | err=(ide_inb(device,ATA_ERROR_REG))>>4; |
c609719b WD |
1758 | AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c); |
1759 | } else { | |
1760 | printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c); | |
1761 | err=0xFF; | |
1762 | } | |
1763 | goto AI_OUT; | |
1764 | } | |
2262cfee | 1765 | n=ide_inb(device, ATA_CYL_HIGH); |
c609719b | 1766 | n<<=8; |
2262cfee | 1767 | n+=ide_inb(device, ATA_CYL_LOW); |
c609719b WD |
1768 | if(n>buflen) { |
1769 | printf("ERROR, transfer bytes %d requested only %d\n",n,buflen); | |
1770 | err=0xff; | |
1771 | goto AI_OUT; | |
1772 | } | |
1773 | if((n==0)&&(buflen<0)) { | |
1774 | printf("ERROR, transfer bytes %d requested %d\n",n,buflen); | |
1775 | err=0xff; | |
1776 | goto AI_OUT; | |
1777 | } | |
1778 | if(n!=buflen) { | |
1779 | AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen); | |
1780 | } | |
1781 | if(n!=0) { /* data transfer */ | |
1782 | AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n); | |
1783 | /* we transfer shorts */ | |
1784 | n>>=1; | |
1785 | /* ok now decide if it is an in or output */ | |
2262cfee | 1786 | if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) { |
c609719b WD |
1787 | AT_PRINTF("Write to device\n"); |
1788 | output_data_shorts(device,(unsigned short *)buffer,n); | |
1789 | } else { | |
1790 | AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n); | |
1791 | input_data_shorts(device,(unsigned short *)buffer,n); | |
1792 | } | |
1793 | } | |
1794 | udelay(5000); /* seems that some CD ROMs need this... */ | |
1795 | mask = ATA_STAT_BUSY|ATA_STAT_ERR; | |
1796 | res=0; | |
1797 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1798 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
2262cfee | 1799 | err=(ide_inb(device,ATA_ERROR_REG) >> 4); |
c609719b WD |
1800 | AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c); |
1801 | } else { | |
1802 | err = 0; | |
1803 | } | |
1804 | AI_OUT: | |
1805 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1806 | return (err); | |
1807 | } | |
1808 | ||
1809 | /* | |
1810 | * sending the command to atapi_issue. If an status other than good | |
1811 | * returns, an request_sense will be issued | |
1812 | */ | |
1813 | ||
1814 | #define ATAPI_DRIVE_NOT_READY 100 | |
1815 | #define ATAPI_UNIT_ATTN 10 | |
1816 | ||
1817 | unsigned char atapi_issue_autoreq (int device, | |
1818 | unsigned char* ccb, | |
1819 | int ccblen, | |
1820 | unsigned char *buffer, | |
1821 | int buflen) | |
1822 | { | |
1823 | unsigned char sense_data[18],sense_ccb[12]; | |
1824 | unsigned char res,key,asc,ascq; | |
1825 | int notready,unitattn; | |
1826 | ||
c7de829c WD |
1827 | #ifdef CONFIG_AMIGAONEG3SE |
1828 | char *s; | |
1829 | unsigned int timeout, retrycnt; | |
1830 | ||
1831 | s = getenv("ide_cd_timeout"); | |
1832 | timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0; | |
1833 | ||
1834 | retrycnt = 0; | |
1835 | #endif | |
1836 | ||
c609719b WD |
1837 | unitattn=ATAPI_UNIT_ATTN; |
1838 | notready=ATAPI_DRIVE_NOT_READY; | |
1839 | ||
1840 | retry: | |
1841 | res= atapi_issue(device,ccb,ccblen,buffer,buflen); | |
1842 | if (res==0) | |
1843 | return (0); /* Ok */ | |
1844 | ||
1845 | if (res==0xFF) | |
1846 | return (0xFF); /* error */ | |
1847 | ||
1848 | AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res); | |
1849 | ||
1850 | memset(sense_ccb,0,sizeof(sense_ccb)); | |
1851 | memset(sense_data,0,sizeof(sense_data)); | |
1852 | sense_ccb[0]=ATAPI_CMD_REQ_SENSE; | |
c7de829c | 1853 | sense_ccb[4]=18; /* allocation Length */ |
c609719b WD |
1854 | |
1855 | res=atapi_issue(device,sense_ccb,12,sense_data,18); | |
1856 | key=(sense_data[2]&0xF); | |
1857 | asc=(sense_data[12]); | |
1858 | ascq=(sense_data[13]); | |
1859 | ||
1860 | AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res); | |
1861 | AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", | |
1862 | sense_data[0], | |
1863 | key, | |
1864 | asc, | |
1865 | ascq); | |
1866 | ||
1867 | if((key==0)) | |
1868 | return 0; /* ok device ready */ | |
1869 | ||
1870 | if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */ | |
1871 | if(unitattn-->0) { | |
1872 | udelay(200*1000); | |
1873 | goto retry; | |
1874 | } | |
1875 | printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN); | |
1876 | goto error; | |
1877 | } | |
1878 | if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */ | |
1879 | if (notready-->0) { | |
1880 | udelay(200*1000); | |
1881 | goto retry; | |
1882 | } | |
1883 | printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY); | |
1884 | goto error; | |
1885 | } | |
1886 | if(asc==0x3a) { | |
1887 | AT_PRINTF("Media not present\n"); | |
1888 | goto error; | |
1889 | } | |
c7de829c WD |
1890 | |
1891 | #ifdef CONFIG_AMIGAONEG3SE | |
1892 | if ((sense_data[2]&0xF)==0x0B) { | |
1893 | AT_PRINTF("ABORTED COMMAND...retry\n"); | |
1894 | if (retrycnt++ < 4) | |
1895 | goto retry; | |
1896 | return (0xFF); | |
1897 | } | |
1898 | ||
1899 | if ((sense_data[2]&0xf) == 0x02 && | |
1900 | sense_data[12] == 0x04 && | |
1901 | sense_data[13] == 0x01 ) { | |
1902 | AT_PRINTF("Waiting for unit to become active\n"); | |
1903 | udelay(timeout); | |
1904 | if (retrycnt++ < 4) | |
1905 | goto retry; | |
1906 | return 0xFF; | |
1907 | } | |
1908 | #endif /* CONFIG_AMIGAONEG3SE */ | |
1909 | ||
c609719b WD |
1910 | printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); |
1911 | error: | |
1912 | AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); | |
1913 | return (0xFF); | |
1914 | } | |
1915 | ||
1916 | ||
c609719b WD |
1917 | static void atapi_inquiry(block_dev_desc_t * dev_desc) |
1918 | { | |
1919 | unsigned char ccb[12]; /* Command descriptor block */ | |
1920 | unsigned char iobuf[64]; /* temp buf */ | |
1921 | unsigned char c; | |
1922 | int device; | |
1923 | ||
1924 | device=dev_desc->dev; | |
1925 | dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */ | |
1926 | dev_desc->block_read=atapi_read; | |
1927 | ||
1928 | memset(ccb,0,sizeof(ccb)); | |
1929 | memset(iobuf,0,sizeof(iobuf)); | |
1930 | ||
1931 | ccb[0]=ATAPI_CMD_INQUIRY; | |
1932 | ccb[4]=40; /* allocation Legnth */ | |
1933 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40); | |
1934 | ||
1935 | AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c); | |
1936 | if (c!=0) | |
1937 | return; | |
1938 | ||
1939 | /* copy device ident strings */ | |
1940 | ident_cpy(dev_desc->vendor,&iobuf[8],8); | |
1941 | ident_cpy(dev_desc->product,&iobuf[16],16); | |
1942 | ident_cpy(dev_desc->revision,&iobuf[32],5); | |
1943 | ||
1944 | dev_desc->lun=0; | |
1945 | dev_desc->lba=0; | |
1946 | dev_desc->blksz=0; | |
1947 | dev_desc->type=iobuf[0] & 0x1f; | |
1948 | ||
1949 | if ((iobuf[1]&0x80)==0x80) | |
1950 | dev_desc->removable = 1; | |
1951 | else | |
1952 | dev_desc->removable = 0; | |
1953 | ||
1954 | memset(ccb,0,sizeof(ccb)); | |
1955 | memset(iobuf,0,sizeof(iobuf)); | |
1956 | ccb[0]=ATAPI_CMD_START_STOP; | |
1957 | ccb[4]=0x03; /* start */ | |
1958 | ||
1959 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1960 | ||
1961 | AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c); | |
1962 | if (c!=0) | |
1963 | return; | |
1964 | ||
1965 | memset(ccb,0,sizeof(ccb)); | |
1966 | memset(iobuf,0,sizeof(iobuf)); | |
1967 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1968 | ||
1969 | AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c); | |
1970 | if (c!=0) | |
1971 | return; | |
1972 | ||
1973 | memset(ccb,0,sizeof(ccb)); | |
1974 | memset(iobuf,0,sizeof(iobuf)); | |
1975 | ccb[0]=ATAPI_CMD_READ_CAP; | |
1976 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8); | |
1977 | AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c); | |
1978 | if (c!=0) | |
1979 | return; | |
1980 | ||
1981 | AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", | |
1982 | iobuf[0],iobuf[1],iobuf[2],iobuf[3], | |
1983 | iobuf[4],iobuf[5],iobuf[6],iobuf[7]); | |
1984 | ||
1985 | dev_desc->lba =((unsigned long)iobuf[0]<<24) + | |
1986 | ((unsigned long)iobuf[1]<<16) + | |
1987 | ((unsigned long)iobuf[2]<< 8) + | |
1988 | ((unsigned long)iobuf[3]); | |
1989 | dev_desc->blksz=((unsigned long)iobuf[4]<<24) + | |
1990 | ((unsigned long)iobuf[5]<<16) + | |
1991 | ((unsigned long)iobuf[6]<< 8) + | |
1992 | ((unsigned long)iobuf[7]); | |
42dfe7a1 | 1993 | #ifdef CONFIG_LBA48 |
c40b2956 | 1994 | dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ |
42dfe7a1 | 1995 | #endif |
c609719b WD |
1996 | return; |
1997 | } | |
1998 | ||
1999 | ||
2000 | /* | |
2001 | * atapi_read: | |
2002 | * we transfer only one block per command, since the multiple DRQ per | |
2003 | * command is not yet implemented | |
2004 | */ | |
2005 | #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ | |
2006 | #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ | |
2007 | #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */ | |
2008 | ||
c40b2956 | 2009 | ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
2010 | { |
2011 | ulong n = 0; | |
2012 | unsigned char ccb[12]; /* Command descriptor block */ | |
2013 | ulong cnt; | |
2014 | ||
2015 | AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n", | |
2016 | device, blknr, blkcnt, (ulong)buffer); | |
2017 | ||
2018 | do { | |
2019 | if (blkcnt>ATAPI_READ_MAX_BLOCK) { | |
2020 | cnt=ATAPI_READ_MAX_BLOCK; | |
2021 | } else { | |
2022 | cnt=blkcnt; | |
2023 | } | |
2024 | ccb[0]=ATAPI_CMD_READ_12; | |
2025 | ccb[1]=0; /* reserved */ | |
2026 | ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */ | |
2027 | ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */ | |
2028 | ccb[4]=(unsigned char) (blknr>> 8) & 0xFF; | |
2029 | ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */ | |
2030 | ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */ | |
2031 | ccb[7]=(unsigned char) (cnt >>16) & 0xFF; | |
2032 | ccb[8]=(unsigned char) (cnt >> 8) & 0xFF; | |
2033 | ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */ | |
2034 | ccb[10]=0; /* reserved */ | |
2035 | ccb[11]=0; /* reserved */ | |
2036 | ||
2037 | if (atapi_issue_autoreq(device,ccb,12, | |
2038 | (unsigned char *)buffer, | |
2039 | cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) { | |
2040 | return (n); | |
2041 | } | |
2042 | n+=cnt; | |
2043 | blkcnt-=cnt; | |
2044 | blknr+=cnt; | |
2045 | buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */ | |
2046 | } while (blkcnt > 0); | |
2047 | return (n); | |
2048 | } | |
2049 | ||
2050 | /* ------------------------------------------------------------------------- */ | |
2051 | ||
2052 | #endif /* CONFIG_ATAPI */ | |
2053 | ||
0d498393 WD |
2054 | U_BOOT_CMD( |
2055 | ide, 5, 1, do_ide, | |
8bde7f77 WD |
2056 | "ide - IDE sub-system\n", |
2057 | "reset - reset IDE controller\n" | |
2058 | "ide info - show available IDE devices\n" | |
2059 | "ide device [dev] - show or set current device\n" | |
2060 | "ide part [dev] - print partition table of one or all IDE devices\n" | |
2061 | "ide read addr blk# cnt\n" | |
2062 | "ide write addr blk# cnt - read/write `cnt'" | |
2063 | " blocks starting at block `blk#'\n" | |
2064 | " to/from memory address `addr'\n" | |
2065 | ); | |
2066 | ||
0d498393 WD |
2067 | U_BOOT_CMD( |
2068 | diskboot, 3, 1, do_diskboot, | |
8bde7f77 WD |
2069 | "diskboot- boot from IDE device\n", |
2070 | "loadAddr dev:part\n" | |
2071 | ); | |
2072 | ||
c609719b | 2073 | #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */ |