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Commit | Line | Data |
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c609719b | 1 | /* |
1a344f29 | 2 | * (C) Copyright 2000-2005 |
c609719b WD |
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") | |
1a344f29 | 65 | # define SYNC __asm__ volatile ("sync") |
5cf91d6b WD |
66 | #else |
67 | # define EIEIO /* nothing */ | |
1a344f29 | 68 | # define SYNC /* nothing */ |
c609719b WD |
69 | #endif |
70 | ||
71 | #if (CONFIG_COMMANDS & CFG_CMD_IDE) | |
72 | ||
15647dc7 | 73 | #ifdef CONFIG_IDE_8xx_DIRECT |
c609719b WD |
74 | /* Timings for IDE Interface |
75 | * | |
76 | * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk | |
77 | * 70 165 30 PIO-Mode 0, [ns] | |
78 | * 4 9 2 [Cycles] | |
79 | * 50 125 20 PIO-Mode 1, [ns] | |
80 | * 3 7 2 [Cycles] | |
81 | * 30 100 15 PIO-Mode 2, [ns] | |
82 | * 2 6 1 [Cycles] | |
83 | * 30 80 10 PIO-Mode 3, [ns] | |
84 | * 2 5 1 [Cycles] | |
85 | * 25 70 10 PIO-Mode 4, [ns] | |
86 | * 2 4 1 [Cycles] | |
87 | */ | |
88 | ||
89 | const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] = | |
90 | { | |
91 | /* Setup Length Hold */ | |
92 | { 70, 165, 30 }, /* PIO-Mode 0, [ns] */ | |
93 | { 50, 125, 20 }, /* PIO-Mode 1, [ns] */ | |
94 | { 30, 101, 15 }, /* PIO-Mode 2, [ns] */ | |
95 | { 30, 80, 10 }, /* PIO-Mode 3, [ns] */ | |
96 | { 25, 70, 10 }, /* PIO-Mode 4, [ns] */ | |
97 | }; | |
98 | ||
99 | static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1]; | |
100 | ||
101 | #ifndef CFG_PIO_MODE | |
102 | #define CFG_PIO_MODE 0 /* use a relaxed default */ | |
103 | #endif | |
104 | static int pio_mode = CFG_PIO_MODE; | |
105 | ||
106 | /* Make clock cycles and always round up */ | |
107 | ||
108 | #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U ) | |
109 | ||
15647dc7 WD |
110 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
111 | ||
c609719b WD |
112 | /* ------------------------------------------------------------------------- */ |
113 | ||
114 | /* Current I/O Device */ | |
115 | static int curr_device = -1; | |
116 | ||
117 | /* Current offset for IDE0 / IDE1 bus access */ | |
118 | ulong ide_bus_offset[CFG_IDE_MAXBUS] = { | |
119 | #if defined(CFG_ATA_IDE0_OFFSET) | |
120 | CFG_ATA_IDE0_OFFSET, | |
121 | #endif | |
122 | #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1) | |
123 | CFG_ATA_IDE1_OFFSET, | |
124 | #endif | |
125 | }; | |
126 | ||
15647dc7 | 127 | |
c609719b WD |
128 | #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)]) |
129 | ||
c7de829c | 130 | #ifndef CONFIG_AMIGAONEG3SE |
1a344f29 | 131 | static int ide_bus_ok[CFG_IDE_MAXBUS]; |
c7de829c | 132 | #else |
1a344f29 | 133 | static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,}; |
c7de829c | 134 | #endif |
c609719b | 135 | |
fa838874 | 136 | block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE]; |
c609719b WD |
137 | /* ------------------------------------------------------------------------- */ |
138 | ||
139 | #ifdef CONFIG_IDE_LED | |
e2ffd59b | 140 | #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45) |
c609719b WD |
141 | static void ide_led (uchar led, uchar status); |
142 | #else | |
1f53a416 WD |
143 | extern void ide_led (uchar led, uchar status); |
144 | #endif | |
145 | #else | |
c7de829c | 146 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 147 | #define ide_led(a,b) /* dummy */ |
c7de829c WD |
148 | #else |
149 | extern void ide_led(uchar led, uchar status); | |
150 | #define LED_IDE1 1 | |
151 | #define LED_IDE2 2 | |
152 | #define CONFIG_IDE_LED 1 | |
153 | #define DEVICE_LED(x) 1 | |
154 | #endif | |
c609719b WD |
155 | #endif |
156 | ||
157 | #ifdef CONFIG_IDE_RESET | |
158 | static void ide_reset (void); | |
159 | #else | |
160 | #define ide_reset() /* dummy */ | |
161 | #endif | |
162 | ||
163 | static void ide_ident (block_dev_desc_t *dev_desc); | |
164 | static uchar ide_wait (int dev, ulong t); | |
165 | ||
166 | #define IDE_TIME_OUT 2000 /* 2 sec timeout */ | |
167 | ||
168 | #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */ | |
169 | ||
170 | #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ | |
171 | ||
2262cfee WD |
172 | static void __inline__ ide_outb(int dev, int port, unsigned char val); |
173 | static unsigned char __inline__ ide_inb(int dev, int port); | |
c609719b WD |
174 | static void input_data(int dev, ulong *sect_buf, int words); |
175 | static void output_data(int dev, ulong *sect_buf, int words); | |
176 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
177 | ||
178 | ||
179 | #ifdef CONFIG_ATAPI | |
180 | static void atapi_inquiry(block_dev_desc_t *dev_desc); | |
c40b2956 | 181 | ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer); |
c609719b WD |
182 | #endif |
183 | ||
184 | ||
185 | #ifdef CONFIG_IDE_8xx_DIRECT | |
186 | static void set_pcmcia_timing (int pmode); | |
c609719b WD |
187 | #endif |
188 | ||
189 | /* ------------------------------------------------------------------------- */ | |
190 | ||
191 | int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
192 | { | |
193 | int rcode = 0; | |
194 | ||
195 | switch (argc) { | |
196 | case 0: | |
197 | case 1: | |
198 | printf ("Usage:\n%s\n", cmdtp->usage); | |
199 | return 1; | |
200 | case 2: | |
201 | if (strncmp(argv[1],"res",3) == 0) { | |
202 | puts ("\nReset IDE" | |
203 | #ifdef CONFIG_IDE_8xx_DIRECT | |
204 | " on PCMCIA " PCMCIA_SLOT_MSG | |
205 | #endif | |
206 | ": "); | |
207 | ||
208 | ide_init (); | |
209 | return 0; | |
210 | } else if (strncmp(argv[1],"inf",3) == 0) { | |
211 | int i; | |
212 | ||
213 | putc ('\n'); | |
214 | ||
215 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
216 | if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN) | |
217 | continue; /* list only known devices */ | |
218 | printf ("IDE device %d: ", i); | |
219 | dev_print(&ide_dev_desc[i]); | |
220 | } | |
221 | return 0; | |
222 | ||
223 | } else if (strncmp(argv[1],"dev",3) == 0) { | |
224 | if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) { | |
225 | puts ("\nno IDE devices available\n"); | |
226 | return 1; | |
227 | } | |
228 | printf ("\nIDE device %d: ", curr_device); | |
229 | dev_print(&ide_dev_desc[curr_device]); | |
230 | return 0; | |
231 | } else if (strncmp(argv[1],"part",4) == 0) { | |
232 | int dev, ok; | |
233 | ||
234 | for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) { | |
235 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
236 | ++ok; | |
237 | if (dev) | |
238 | putc ('\n'); | |
239 | print_part(&ide_dev_desc[dev]); | |
240 | } | |
241 | } | |
242 | if (!ok) { | |
243 | puts ("\nno IDE devices available\n"); | |
244 | rcode ++; | |
245 | } | |
246 | return rcode; | |
247 | } | |
248 | printf ("Usage:\n%s\n", cmdtp->usage); | |
249 | return 1; | |
250 | case 3: | |
251 | if (strncmp(argv[1],"dev",3) == 0) { | |
252 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
253 | ||
254 | printf ("\nIDE device %d: ", dev); | |
255 | if (dev >= CFG_IDE_MAXDEVICE) { | |
256 | puts ("unknown device\n"); | |
257 | return 1; | |
258 | } | |
259 | dev_print(&ide_dev_desc[dev]); | |
260 | /*ide_print (dev);*/ | |
261 | ||
262 | if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
263 | return 1; | |
264 | } | |
265 | ||
266 | curr_device = dev; | |
267 | ||
268 | puts ("... is now current device\n"); | |
269 | ||
270 | return 0; | |
271 | } else if (strncmp(argv[1],"part",4) == 0) { | |
272 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
273 | ||
274 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
275 | print_part(&ide_dev_desc[dev]); | |
276 | } else { | |
277 | printf ("\nIDE device %d not available\n", dev); | |
278 | rcode = 1; | |
279 | } | |
280 | return rcode; | |
281 | #if 0 | |
282 | } else if (strncmp(argv[1],"pio",4) == 0) { | |
283 | int mode = (int)simple_strtoul(argv[2], NULL, 10); | |
284 | ||
285 | if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) { | |
286 | puts ("\nSetting "); | |
287 | pio_mode = mode; | |
288 | ide_init (); | |
289 | } else { | |
290 | printf ("\nInvalid PIO mode %d (0 ... %d only)\n", | |
291 | mode, IDE_MAX_PIO_MODE); | |
292 | } | |
293 | return; | |
294 | #endif | |
295 | } | |
296 | ||
297 | printf ("Usage:\n%s\n", cmdtp->usage); | |
298 | return 1; | |
299 | default: | |
300 | /* at least 4 args */ | |
301 | ||
302 | if (strcmp(argv[1],"read") == 0) { | |
303 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
c609719b WD |
304 | ulong cnt = simple_strtoul(argv[4], NULL, 16); |
305 | ulong n; | |
42dfe7a1 WD |
306 | #ifdef CFG_64BIT_STRTOUL |
307 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); | |
c609719b | 308 | |
c40b2956 | 309 | printf ("\nIDE read: device %d block # %qd, count %ld ... ", |
c609719b | 310 | curr_device, blk, cnt); |
42dfe7a1 WD |
311 | #else |
312 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
313 | ||
314 | printf ("\nIDE read: device %d block # %ld, count %ld ... ", | |
315 | curr_device, blk, cnt); | |
316 | #endif | |
c609719b WD |
317 | |
318 | n = ide_dev_desc[curr_device].block_read (curr_device, | |
319 | blk, cnt, | |
320 | (ulong *)addr); | |
321 | /* flush cache after read */ | |
322 | flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz); | |
323 | ||
324 | printf ("%ld blocks read: %s\n", | |
325 | n, (n==cnt) ? "OK" : "ERROR"); | |
326 | if (n==cnt) { | |
327 | return 0; | |
328 | } else { | |
329 | return 1; | |
330 | } | |
331 | } else if (strcmp(argv[1],"write") == 0) { | |
332 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
c609719b WD |
333 | ulong cnt = simple_strtoul(argv[4], NULL, 16); |
334 | ulong n; | |
42dfe7a1 WD |
335 | #ifdef CFG_64BIT_STRTOUL |
336 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); | |
c609719b | 337 | |
c40b2956 | 338 | printf ("\nIDE write: device %d block # %qd, count %ld ... ", |
c609719b | 339 | curr_device, blk, cnt); |
42dfe7a1 WD |
340 | #else |
341 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
342 | ||
343 | printf ("\nIDE write: device %d block # %ld, count %ld ... ", | |
344 | curr_device, blk, cnt); | |
345 | #endif | |
c609719b WD |
346 | |
347 | n = ide_write (curr_device, blk, cnt, (ulong *)addr); | |
348 | ||
349 | printf ("%ld blocks written: %s\n", | |
350 | n, (n==cnt) ? "OK" : "ERROR"); | |
351 | if (n==cnt) { | |
352 | return 0; | |
353 | } else { | |
354 | return 1; | |
355 | } | |
356 | } else { | |
357 | printf ("Usage:\n%s\n", cmdtp->usage); | |
358 | rcode = 1; | |
359 | } | |
360 | ||
361 | return rcode; | |
362 | } | |
363 | } | |
364 | ||
365 | int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
366 | { | |
367 | char *boot_device = NULL; | |
368 | char *ep; | |
369 | int dev, part = 0; | |
1a344f29 | 370 | ulong addr, cnt, checksum; |
c609719b WD |
371 | disk_partition_t info; |
372 | image_header_t *hdr; | |
373 | int rcode = 0; | |
374 | ||
375 | switch (argc) { | |
376 | case 1: | |
377 | addr = CFG_LOAD_ADDR; | |
378 | boot_device = getenv ("bootdevice"); | |
379 | break; | |
380 | case 2: | |
381 | addr = simple_strtoul(argv[1], NULL, 16); | |
382 | boot_device = getenv ("bootdevice"); | |
383 | break; | |
384 | case 3: | |
385 | addr = simple_strtoul(argv[1], NULL, 16); | |
386 | boot_device = argv[2]; | |
387 | break; | |
388 | default: | |
389 | printf ("Usage:\n%s\n", cmdtp->usage); | |
390 | SHOW_BOOT_PROGRESS (-1); | |
391 | return 1; | |
392 | } | |
393 | ||
394 | if (!boot_device) { | |
395 | puts ("\n** No boot device **\n"); | |
396 | SHOW_BOOT_PROGRESS (-1); | |
397 | return 1; | |
398 | } | |
399 | ||
400 | dev = simple_strtoul(boot_device, &ep, 16); | |
401 | ||
402 | if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) { | |
403 | printf ("\n** Device %d not available\n", dev); | |
404 | SHOW_BOOT_PROGRESS (-1); | |
405 | return 1; | |
406 | } | |
407 | ||
408 | if (*ep) { | |
409 | if (*ep != ':') { | |
410 | puts ("\n** Invalid boot device, use `dev[:part]' **\n"); | |
411 | SHOW_BOOT_PROGRESS (-1); | |
412 | return 1; | |
413 | } | |
414 | part = simple_strtoul(++ep, NULL, 16); | |
415 | } | |
b05dcb58 | 416 | if (get_partition_info (ide_dev_desc, part, &info)) { |
c609719b WD |
417 | SHOW_BOOT_PROGRESS (-1); |
418 | return 1; | |
419 | } | |
77ddac94 WD |
420 | if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && |
421 | (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { | |
c609719b WD |
422 | printf ("\n** Invalid partition type \"%.32s\"" |
423 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
424 | info.type); | |
425 | SHOW_BOOT_PROGRESS (-1); | |
426 | return 1; | |
427 | } | |
428 | ||
429 | printf ("\nLoading from IDE device %d, partition %d: " | |
430 | "Name: %.32s Type: %.32s\n", | |
431 | dev, part, info.name, info.type); | |
432 | ||
1a344f29 | 433 | debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", |
c609719b WD |
434 | info.start, info.size, info.blksz); |
435 | ||
436 | if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) { | |
437 | printf ("** Read error on %d:%d\n", dev, part); | |
438 | SHOW_BOOT_PROGRESS (-1); | |
439 | return 1; | |
440 | } | |
441 | ||
442 | hdr = (image_header_t *)addr; | |
443 | ||
1a344f29 | 444 | if (ntohl(hdr->ih_magic) != IH_MAGIC) { |
c609719b WD |
445 | printf("\n** Bad Magic Number **\n"); |
446 | SHOW_BOOT_PROGRESS (-1); | |
447 | return 1; | |
448 | } | |
449 | ||
1a344f29 WD |
450 | checksum = ntohl(hdr->ih_hcrc); |
451 | hdr->ih_hcrc = 0; | |
452 | ||
77ddac94 | 453 | if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) { |
1a344f29 WD |
454 | puts ("\n** Bad Header Checksum **\n"); |
455 | SHOW_BOOT_PROGRESS (-2); | |
456 | return 1; | |
457 | } | |
b9649854 | 458 | hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */ |
1a344f29 WD |
459 | |
460 | print_image_hdr (hdr); | |
461 | ||
462 | cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t)); | |
463 | cnt += info.blksz - 1; | |
464 | cnt /= info.blksz; | |
465 | cnt -= 1; | |
466 | ||
c609719b WD |
467 | if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt, |
468 | (ulong *)(addr+info.blksz)) != cnt) { | |
469 | printf ("** Read error on %d:%d\n", dev, part); | |
470 | SHOW_BOOT_PROGRESS (-1); | |
471 | return 1; | |
472 | } | |
473 | ||
474 | ||
475 | /* Loading ok, update default load address */ | |
476 | ||
477 | load_addr = addr; | |
478 | ||
479 | /* Check if we should attempt an auto-start */ | |
480 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
481 | char *local_args[2]; | |
482 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
483 | ||
484 | local_args[0] = argv[0]; | |
485 | local_args[1] = NULL; | |
486 | ||
487 | printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); | |
488 | ||
489 | do_bootm (cmdtp, 0, 1, local_args); | |
490 | rcode = 1; | |
491 | } | |
492 | return rcode; | |
493 | } | |
494 | ||
495 | /* ------------------------------------------------------------------------- */ | |
496 | ||
497 | void ide_init (void) | |
498 | { | |
c609719b WD |
499 | |
500 | #ifdef CONFIG_IDE_8xx_DIRECT | |
15647dc7 | 501 | DECLARE_GLOBAL_DATA_PTR; |
c609719b WD |
502 | volatile immap_t *immr = (immap_t *)CFG_IMMR; |
503 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
504 | #endif | |
505 | unsigned char c; | |
506 | int i, bus; | |
c7de829c WD |
507 | #ifdef CONFIG_AMIGAONEG3SE |
508 | unsigned int max_bus_scan; | |
509 | unsigned int ata_reset_time; | |
510 | char *s; | |
511 | #endif | |
9fd5e31f WD |
512 | #ifdef CONFIG_IDE_8xx_PCCARD |
513 | extern int pcmcia_on (void); | |
514 | extern int ide_devices_found; /* Initialized in check_ide_device() */ | |
515 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
516 | ||
517 | #ifdef CONFIG_IDE_PREINIT | |
4d13cbad | 518 | extern int ide_preinit (void); |
9fd5e31f WD |
519 | WATCHDOG_RESET(); |
520 | ||
521 | if (ide_preinit ()) { | |
522 | puts ("ide_preinit failed\n"); | |
523 | return; | |
524 | } | |
525 | #endif /* CONFIG_IDE_PREINIT */ | |
c609719b WD |
526 | |
527 | #ifdef CONFIG_IDE_8xx_PCCARD | |
528 | extern int pcmcia_on (void); | |
6069ff26 | 529 | extern int ide_devices_found; /* Initialized in check_ide_device() */ |
c609719b WD |
530 | |
531 | WATCHDOG_RESET(); | |
532 | ||
6069ff26 | 533 | ide_devices_found = 0; |
c609719b | 534 | /* initialize the PCMCIA IDE adapter card */ |
6069ff26 WD |
535 | pcmcia_on(); |
536 | if (!ide_devices_found) | |
c609719b WD |
537 | return; |
538 | udelay (1000000); /* 1 s */ | |
539 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
540 | ||
541 | WATCHDOG_RESET(); | |
542 | ||
15647dc7 | 543 | #ifdef CONFIG_IDE_8xx_DIRECT |
c609719b WD |
544 | /* Initialize PIO timing tables */ |
545 | for (i=0; i <= IDE_MAX_PIO_MODE; ++i) { | |
1a344f29 WD |
546 | pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, |
547 | gd->bus_clk); | |
548 | pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length, | |
549 | gd->bus_clk); | |
550 | pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, | |
551 | gd->bus_clk); | |
552 | debug ( "PIO Mode %d: setup=%2d ns/%d clk" | |
553 | " len=%3d ns/%d clk" | |
554 | " hold=%2d ns/%d clk\n", | |
555 | i, | |
556 | pio_config_ns[i].t_setup, pio_config_clk[i].t_setup, | |
557 | pio_config_ns[i].t_length, pio_config_clk[i].t_length, | |
558 | pio_config_ns[i].t_hold, pio_config_clk[i].t_hold); | |
c609719b | 559 | } |
15647dc7 | 560 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
c609719b WD |
561 | |
562 | /* Reset the IDE just to be sure. | |
563 | * Light LED's to show | |
564 | */ | |
565 | ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */ | |
566 | ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */ | |
567 | ||
568 | #ifdef CONFIG_IDE_8xx_DIRECT | |
569 | /* PCMCIA / IDE initialization for common mem space */ | |
570 | pcmp->pcmc_pgcrb = 0; | |
c609719b WD |
571 | |
572 | /* start in PIO mode 0 - most relaxed timings */ | |
573 | pio_mode = 0; | |
574 | set_pcmcia_timing (pio_mode); | |
15647dc7 | 575 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
c609719b WD |
576 | |
577 | /* | |
578 | * Wait for IDE to get ready. | |
579 | * According to spec, this can take up to 31 seconds! | |
580 | */ | |
c7de829c | 581 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b WD |
582 | for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) { |
583 | int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS); | |
c7de829c WD |
584 | #else |
585 | s = getenv("ide_maxbus"); | |
586 | if (s) | |
1a344f29 | 587 | max_bus_scan = simple_strtol(s, NULL, 10); |
c7de829c | 588 | else |
1a344f29 | 589 | max_bus_scan = CFG_IDE_MAXBUS; |
c7de829c WD |
590 | |
591 | for (bus=0; bus<max_bus_scan; ++bus) { | |
592 | int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan); | |
593 | #endif | |
c609719b | 594 | |
6069ff26 WD |
595 | #ifdef CONFIG_IDE_8xx_PCCARD |
596 | /* Skip non-ide devices from probing */ | |
597 | if ((ide_devices_found & (1 << bus)) == 0) { | |
598 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
599 | continue; | |
600 | } | |
601 | #endif | |
c609719b WD |
602 | printf ("Bus %d: ", bus); |
603 | ||
604 | ide_bus_ok[bus] = 0; | |
605 | ||
606 | /* Select device | |
607 | */ | |
608 | udelay (100000); /* 100 ms */ | |
2262cfee | 609 | ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); |
c609719b | 610 | udelay (100000); /* 100 ms */ |
c7de829c WD |
611 | #ifdef CONFIG_AMIGAONEG3SE |
612 | ata_reset_time = ATA_RESET_TIME; | |
613 | s = getenv("ide_reset_timeout"); | |
614 | if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10); | |
615 | #endif | |
c609719b WD |
616 | i = 0; |
617 | do { | |
618 | udelay (10000); /* 10 ms */ | |
619 | ||
2262cfee | 620 | c = ide_inb (dev, ATA_STATUS); |
c609719b | 621 | i++; |
c7de829c WD |
622 | #ifdef CONFIG_AMIGAONEG3SE |
623 | if (i > (ata_reset_time * 100)) { | |
624 | #else | |
c609719b | 625 | if (i > (ATA_RESET_TIME * 100)) { |
c7de829c | 626 | #endif |
c609719b WD |
627 | puts ("** Timeout **\n"); |
628 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
c7de829c WD |
629 | #ifdef CONFIG_AMIGAONEG3SE |
630 | /* If this is the second bus, the first one was OK */ | |
c40b2956 | 631 | if (bus != 0) { |
1a344f29 WD |
632 | ide_bus_ok[bus] = 0; |
633 | goto skip_bus; | |
c7de829c WD |
634 | } |
635 | #endif | |
c609719b WD |
636 | return; |
637 | } | |
638 | if ((i >= 100) && ((i%100)==0)) { | |
639 | putc ('.'); | |
640 | } | |
641 | } while (c & ATA_STAT_BUSY); | |
642 | ||
643 | if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { | |
644 | puts ("not available "); | |
1a344f29 | 645 | debug ("Status = 0x%02X ", c); |
c609719b WD |
646 | #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ |
647 | } else if ((c & ATA_STAT_READY) == 0) { | |
648 | puts ("not available "); | |
1a344f29 | 649 | debug ("Status = 0x%02X ", c); |
c609719b WD |
650 | #endif |
651 | } else { | |
652 | puts ("OK "); | |
653 | ide_bus_ok[bus] = 1; | |
654 | } | |
655 | WATCHDOG_RESET(); | |
656 | } | |
c7de829c WD |
657 | |
658 | #ifdef CONFIG_AMIGAONEG3SE | |
659 | skip_bus: | |
660 | #endif | |
c609719b WD |
661 | putc ('\n'); |
662 | ||
663 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
664 | ||
665 | curr_device = -1; | |
666 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
667 | #ifdef CONFIG_IDE_LED | |
668 | int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; | |
669 | #endif | |
5cf9da48 | 670 | ide_dev_desc[i].type=DEV_TYPE_UNKNOWN; |
c609719b WD |
671 | ide_dev_desc[i].if_type=IF_TYPE_IDE; |
672 | ide_dev_desc[i].dev=i; | |
673 | ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
674 | ide_dev_desc[i].blksz=0; | |
675 | ide_dev_desc[i].lba=0; | |
676 | ide_dev_desc[i].block_read=ide_read; | |
677 | if (!ide_bus_ok[IDE_BUS(i)]) | |
678 | continue; | |
679 | ide_led (led, 1); /* LED on */ | |
680 | ide_ident(&ide_dev_desc[i]); | |
681 | ide_led (led, 0); /* LED off */ | |
682 | dev_print(&ide_dev_desc[i]); | |
683 | /* ide_print (i); */ | |
684 | if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { | |
685 | init_part (&ide_dev_desc[i]); /* initialize partition type */ | |
686 | if (curr_device < 0) | |
687 | curr_device = i; | |
688 | } | |
689 | } | |
690 | WATCHDOG_RESET(); | |
691 | } | |
692 | ||
693 | /* ------------------------------------------------------------------------- */ | |
694 | ||
695 | block_dev_desc_t * ide_get_dev(int dev) | |
696 | { | |
697 | return ((block_dev_desc_t *)&ide_dev_desc[dev]); | |
698 | } | |
699 | ||
700 | ||
701 | #ifdef CONFIG_IDE_8xx_DIRECT | |
702 | ||
703 | static void | |
704 | set_pcmcia_timing (int pmode) | |
705 | { | |
706 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
707 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
708 | ulong timings; | |
709 | ||
1a344f29 | 710 | debug ("Set timing for PIO Mode %d\n", pmode); |
c609719b WD |
711 | |
712 | timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold) | |
713 | | PCMCIA_SST(pio_config_clk[pmode].t_setup) | |
714 | | PCMCIA_SL (pio_config_clk[pmode].t_length) | |
715 | ; | |
716 | ||
717 | /* IDE 0 | |
718 | */ | |
719 | pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0; | |
720 | pcmp->pcmc_por0 = CFG_PCMCIA_POR0 | |
721 | #if (CFG_PCMCIA_POR0 != 0) | |
722 | | timings | |
723 | #endif | |
724 | ; | |
1a344f29 | 725 | debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); |
c609719b WD |
726 | |
727 | pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1; | |
728 | pcmp->pcmc_por1 = CFG_PCMCIA_POR1 | |
729 | #if (CFG_PCMCIA_POR1 != 0) | |
730 | | timings | |
731 | #endif | |
732 | ; | |
1a344f29 | 733 | debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); |
c609719b WD |
734 | |
735 | pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2; | |
736 | pcmp->pcmc_por2 = CFG_PCMCIA_POR2 | |
737 | #if (CFG_PCMCIA_POR2 != 0) | |
738 | | timings | |
739 | #endif | |
740 | ; | |
1a344f29 | 741 | debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); |
c609719b WD |
742 | |
743 | pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3; | |
744 | pcmp->pcmc_por3 = CFG_PCMCIA_POR3 | |
745 | #if (CFG_PCMCIA_POR3 != 0) | |
746 | | timings | |
747 | #endif | |
748 | ; | |
1a344f29 | 749 | debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); |
c609719b WD |
750 | |
751 | /* IDE 1 | |
752 | */ | |
753 | pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4; | |
754 | pcmp->pcmc_por4 = CFG_PCMCIA_POR4 | |
755 | #if (CFG_PCMCIA_POR4 != 0) | |
756 | | timings | |
757 | #endif | |
758 | ; | |
1a344f29 | 759 | debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); |
c609719b WD |
760 | |
761 | pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5; | |
762 | pcmp->pcmc_por5 = CFG_PCMCIA_POR5 | |
763 | #if (CFG_PCMCIA_POR5 != 0) | |
764 | | timings | |
765 | #endif | |
766 | ; | |
1a344f29 | 767 | debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); |
c609719b WD |
768 | |
769 | pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6; | |
770 | pcmp->pcmc_por6 = CFG_PCMCIA_POR6 | |
771 | #if (CFG_PCMCIA_POR6 != 0) | |
772 | | timings | |
773 | #endif | |
774 | ; | |
1a344f29 | 775 | debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); |
c609719b WD |
776 | |
777 | pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7; | |
778 | pcmp->pcmc_por7 = CFG_PCMCIA_POR7 | |
779 | #if (CFG_PCMCIA_POR7 != 0) | |
780 | | timings | |
781 | #endif | |
782 | ; | |
1a344f29 | 783 | debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); |
c609719b WD |
784 | |
785 | } | |
786 | ||
787 | #endif /* CONFIG_IDE_8xx_DIRECT */ | |
788 | ||
789 | /* ------------------------------------------------------------------------- */ | |
790 | ||
db01a2ea | 791 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b | 792 | static void __inline__ |
2262cfee | 793 | ide_outb(int dev, int port, unsigned char val) |
c609719b | 794 | { |
1a344f29 | 795 | debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n", |
9fd5e31f | 796 | dev, port, val, (ATA_CURR_BASE(dev)+port)); |
d4ca31c4 | 797 | |
c609719b | 798 | /* Ensure I/O operations complete */ |
5cf91d6b | 799 | EIEIO; |
c609719b | 800 | *((uchar *)(ATA_CURR_BASE(dev)+port)) = val; |
c609719b | 801 | } |
2262cfee WD |
802 | #else /* ! __PPC__ */ |
803 | static void __inline__ | |
804 | ide_outb(int dev, int port, unsigned char val) | |
805 | { | |
15647dc7 | 806 | outb(val, ATA_CURR_BASE(dev)+port); |
2262cfee WD |
807 | } |
808 | #endif /* __PPC__ */ | |
809 | ||
c609719b | 810 | |
db01a2ea | 811 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b | 812 | static unsigned char __inline__ |
2262cfee | 813 | ide_inb(int dev, int port) |
c609719b WD |
814 | { |
815 | uchar val; | |
816 | /* Ensure I/O operations complete */ | |
5cf91d6b | 817 | EIEIO; |
c609719b | 818 | val = *((uchar *)(ATA_CURR_BASE(dev)+port)); |
1a344f29 | 819 | debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n", |
9fd5e31f | 820 | dev, port, (ATA_CURR_BASE(dev)+port), val); |
c609719b WD |
821 | return (val); |
822 | } | |
2262cfee WD |
823 | #else /* ! __PPC__ */ |
824 | static unsigned char __inline__ | |
825 | ide_inb(int dev, int port) | |
826 | { | |
15647dc7 | 827 | return inb(ATA_CURR_BASE(dev)+port); |
2262cfee WD |
828 | } |
829 | #endif /* __PPC__ */ | |
c609719b | 830 | |
2262cfee | 831 | #ifdef __PPC__ |
cceb871f | 832 | # ifdef CONFIG_AMIGAONEG3SE |
c7de829c WD |
833 | static void |
834 | output_data_short(int dev, ulong *sect_buf, int words) | |
835 | { | |
836 | ushort *dbuf; | |
837 | volatile ushort *pbuf; | |
8bde7f77 | 838 | |
c7de829c WD |
839 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); |
840 | dbuf = (ushort *)sect_buf; | |
841 | while (words--) { | |
5cf91d6b | 842 | EIEIO; |
c7de829c | 843 | *pbuf = *dbuf++; |
5cf91d6b | 844 | EIEIO; |
c7de829c WD |
845 | } |
846 | ||
847 | if (words&1) | |
1a344f29 | 848 | *pbuf = 0; |
c7de829c | 849 | } |
cceb871f | 850 | # endif /* CONFIG_AMIGAONEG3SE */ |
5da627a4 | 851 | #endif /* __PPC_ */ |
c7de829c | 852 | |
5da627a4 WD |
853 | /* We only need to swap data if we are running on a big endian cpu. */ |
854 | /* But Au1x00 cpu:s already swaps data in big endian mode! */ | |
855 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00) | |
856 | #define input_swap_data(x,y,z) input_data(x,y,z) | |
857 | #else | |
c609719b WD |
858 | static void |
859 | input_swap_data(int dev, ulong *sect_buf, int words) | |
860 | { | |
1a344f29 | 861 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) |
a522fa0e WD |
862 | uchar i; |
863 | volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
864 | volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
865 | ushort *dbuf = (ushort *)sect_buf; | |
866 | ||
867 | while (words--) { | |
868 | for (i=0; i<2; i++) { | |
869 | *(((uchar *)(dbuf)) + 1) = *pbuf_even; | |
870 | *(uchar *)dbuf = *pbuf_odd; | |
871 | dbuf+=1; | |
872 | } | |
873 | } | |
f4733a07 | 874 | #else |
1a344f29 WD |
875 | volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); |
876 | ushort *dbuf = (ushort *)sect_buf; | |
877 | ||
878 | debug("in input swap data base for read is %lx\n", (unsigned long) pbuf); | |
879 | ||
880 | while (words--) { | |
881 | *dbuf++ = ld_le16(pbuf); | |
882 | *dbuf++ = ld_le16(pbuf); | |
883 | } | |
884 | #endif | |
c609719b | 885 | } |
5da627a4 | 886 | #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */ |
2262cfee WD |
887 | |
888 | ||
db01a2ea | 889 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b WD |
890 | static void |
891 | output_data(int dev, ulong *sect_buf, int words) | |
892 | { | |
1a344f29 | 893 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) |
a522fa0e WD |
894 | uchar *dbuf; |
895 | volatile uchar *pbuf_even; | |
896 | volatile uchar *pbuf_odd; | |
897 | ||
898 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
899 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
900 | dbuf = (uchar *)sect_buf; | |
901 | while (words--) { | |
5cf91d6b | 902 | EIEIO; |
a522fa0e | 903 | *pbuf_even = *dbuf++; |
5cf91d6b | 904 | EIEIO; |
a522fa0e | 905 | *pbuf_odd = *dbuf++; |
5cf91d6b | 906 | EIEIO; |
a522fa0e | 907 | *pbuf_even = *dbuf++; |
5cf91d6b | 908 | EIEIO; |
a522fa0e WD |
909 | *pbuf_odd = *dbuf++; |
910 | } | |
1a344f29 WD |
911 | #else |
912 | ushort *dbuf; | |
913 | volatile ushort *pbuf; | |
914 | ||
915 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
916 | dbuf = (ushort *)sect_buf; | |
917 | while (words--) { | |
918 | EIEIO; | |
919 | *pbuf = *dbuf++; | |
920 | EIEIO; | |
921 | *pbuf = *dbuf++; | |
922 | } | |
923 | #endif | |
c609719b | 924 | } |
2262cfee WD |
925 | #else /* ! __PPC__ */ |
926 | static void | |
927 | output_data(int dev, ulong *sect_buf, int words) | |
928 | { | |
15647dc7 | 929 | outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1); |
2262cfee WD |
930 | } |
931 | #endif /* __PPC__ */ | |
c609719b | 932 | |
db01a2ea | 933 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b WD |
934 | static void |
935 | input_data(int dev, ulong *sect_buf, int words) | |
936 | { | |
1a344f29 | 937 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) |
a522fa0e WD |
938 | uchar *dbuf; |
939 | volatile uchar *pbuf_even; | |
940 | volatile uchar *pbuf_odd; | |
941 | ||
942 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
943 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
944 | dbuf = (uchar *)sect_buf; | |
945 | while (words--) { | |
1a344f29 | 946 | *dbuf++ = *pbuf_even; |
cd172b71 | 947 | EIEIO; |
1a344f29 WD |
948 | SYNC; |
949 | *dbuf++ = *pbuf_odd; | |
5cf91d6b | 950 | EIEIO; |
1a344f29 | 951 | SYNC; |
a522fa0e | 952 | *dbuf++ = *pbuf_even; |
5cf91d6b | 953 | EIEIO; |
1a344f29 | 954 | SYNC; |
a522fa0e | 955 | *dbuf++ = *pbuf_odd; |
5cf91d6b | 956 | EIEIO; |
1a344f29 WD |
957 | SYNC; |
958 | } | |
959 | #else | |
960 | ushort *dbuf; | |
961 | volatile ushort *pbuf; | |
962 | ||
963 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
964 | dbuf = (ushort *)sect_buf; | |
965 | ||
966 | debug("in input data base for read is %lx\n", (unsigned long) pbuf); | |
967 | ||
968 | while (words--) { | |
cd172b71 | 969 | EIEIO; |
1a344f29 | 970 | *dbuf++ = *pbuf; |
cd172b71 | 971 | EIEIO; |
1a344f29 | 972 | *dbuf++ = *pbuf; |
a522fa0e | 973 | } |
1a344f29 | 974 | #endif |
c609719b | 975 | } |
2262cfee WD |
976 | #else /* ! __PPC__ */ |
977 | static void | |
978 | input_data(int dev, ulong *sect_buf, int words) | |
979 | { | |
15647dc7 | 980 | insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1); |
2262cfee WD |
981 | } |
982 | ||
983 | #endif /* __PPC__ */ | |
c609719b | 984 | |
c7de829c WD |
985 | #ifdef CONFIG_AMIGAONEG3SE |
986 | static void | |
987 | input_data_short(int dev, ulong *sect_buf, int words) | |
988 | { | |
989 | ushort *dbuf; | |
990 | volatile ushort *pbuf; | |
991 | ||
992 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
993 | dbuf = (ushort *)sect_buf; | |
994 | while (words--) { | |
5cf91d6b | 995 | EIEIO; |
c7de829c | 996 | *dbuf++ = *pbuf; |
5cf91d6b | 997 | EIEIO; |
c7de829c WD |
998 | } |
999 | ||
c40b2956 | 1000 | if (words&1) { |
1a344f29 WD |
1001 | ushort dummy; |
1002 | dummy = *pbuf; | |
c7de829c WD |
1003 | } |
1004 | } | |
1005 | #endif | |
1006 | ||
c609719b WD |
1007 | /* ------------------------------------------------------------------------- |
1008 | */ | |
1009 | static void ide_ident (block_dev_desc_t *dev_desc) | |
1010 | { | |
1011 | ulong iobuf[ATA_SECTORWORDS]; | |
1012 | unsigned char c; | |
1013 | hd_driveid_t *iop = (hd_driveid_t *)iobuf; | |
1014 | ||
c7de829c WD |
1015 | #ifdef CONFIG_AMIGAONEG3SE |
1016 | int max_bus_scan; | |
c7de829c | 1017 | char *s; |
64f70bed WD |
1018 | #endif |
1019 | #ifdef CONFIG_ATAPI | |
1020 | int retries = 0; | |
c7de829c WD |
1021 | int do_retry = 0; |
1022 | #endif | |
1023 | ||
c609719b WD |
1024 | #if 0 |
1025 | int mode, cycle_time; | |
1026 | #endif | |
1027 | int device; | |
1028 | device=dev_desc->dev; | |
1029 | printf (" Device %d: ", device); | |
1030 | ||
c7de829c WD |
1031 | #ifdef CONFIG_AMIGAONEG3SE |
1032 | s = getenv("ide_maxbus"); | |
1033 | if (s) { | |
1034 | max_bus_scan = simple_strtol(s, NULL, 10); | |
1035 | } else { | |
1036 | max_bus_scan = CFG_IDE_MAXBUS; | |
1037 | } | |
1038 | if (device >= max_bus_scan*2) { | |
1039 | dev_desc->type=DEV_TYPE_UNKNOWN; | |
1040 | return; | |
1041 | } | |
1042 | #endif | |
1043 | ||
c609719b WD |
1044 | ide_led (DEVICE_LED(device), 1); /* LED on */ |
1045 | /* Select device | |
1046 | */ | |
2262cfee | 1047 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1048 | dev_desc->if_type=IF_TYPE_IDE; |
1049 | #ifdef CONFIG_ATAPI | |
c7de829c | 1050 | |
c7de829c WD |
1051 | do_retry = 0; |
1052 | retries = 0; | |
1053 | ||
1054 | /* Warning: This will be tricky to read */ | |
c40b2956 | 1055 | while (retries <= 1) { |
c609719b | 1056 | /* check signature */ |
2262cfee WD |
1057 | if ((ide_inb(device,ATA_SECT_CNT) == 0x01) && |
1058 | (ide_inb(device,ATA_SECT_NUM) == 0x01) && | |
1059 | (ide_inb(device,ATA_CYL_LOW) == 0x14) && | |
1060 | (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) { | |
c609719b WD |
1061 | /* ATAPI Signature found */ |
1062 | dev_desc->if_type=IF_TYPE_ATAPI; | |
1063 | /* Start Ident Command | |
1064 | */ | |
2262cfee | 1065 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT); |
c609719b WD |
1066 | /* |
1067 | * Wait for completion - ATAPI devices need more time | |
1068 | * to become ready | |
1069 | */ | |
1070 | c = ide_wait (device, ATAPI_TIME_OUT); | |
c40b2956 | 1071 | } else |
c609719b WD |
1072 | #endif |
1073 | { | |
1074 | /* Start Ident Command | |
1075 | */ | |
2262cfee | 1076 | ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT); |
c609719b WD |
1077 | |
1078 | /* Wait for completion | |
1079 | */ | |
1080 | c = ide_wait (device, IDE_TIME_OUT); | |
1081 | } | |
1082 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1083 | ||
1084 | if (((c & ATA_STAT_DRQ) == 0) || | |
1085 | ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) { | |
64f70bed | 1086 | #ifdef CONFIG_ATAPI |
c7de829c | 1087 | #ifdef CONFIG_AMIGAONEG3SE |
64f70bed WD |
1088 | s = getenv("ide_doreset"); |
1089 | if (s && strcmp(s, "on") == 0) | |
1090 | #endif | |
1a344f29 WD |
1091 | { |
1092 | /* Need to soft reset the device in case it's an ATAPI... */ | |
1093 | debug ("Retrying...\n"); | |
1094 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
1095 | udelay(100000); | |
1096 | ide_outb (device, ATA_COMMAND, 0x08); | |
1097 | udelay (500000); /* 500 ms */ | |
1098 | } | |
64f70bed WD |
1099 | /* Select device |
1100 | */ | |
c7de829c | 1101 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c7de829c | 1102 | retries++; |
64f70bed WD |
1103 | #else |
1104 | return; | |
1105 | #endif | |
c609719b | 1106 | } |
64f70bed WD |
1107 | #ifdef CONFIG_ATAPI |
1108 | else | |
1109 | break; | |
c7de829c | 1110 | } /* see above - ugly to read */ |
64f70bed WD |
1111 | |
1112 | if (retries == 2) /* Not found */ | |
1113 | return; | |
1114 | #endif | |
c609719b WD |
1115 | |
1116 | input_swap_data (device, iobuf, ATA_SECTORWORDS); | |
1117 | ||
1118 | ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision)); | |
1119 | ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor)); | |
1120 | ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product)); | |
c3f9d493 WD |
1121 | #ifdef __LITTLE_ENDIAN |
1122 | /* | |
1123 | * firmware revision and model number have Big Endian Byte | |
1124 | * order in Word. Convert both to little endian. | |
1125 | * | |
1126 | * See CF+ and CompactFlash Specification Revision 2.0: | |
1127 | * 6.2.1.6: Identfy Drive, Table 39 for more details | |
1128 | */ | |
1129 | ||
1130 | strswab (dev_desc->revision); | |
1131 | strswab (dev_desc->vendor); | |
1132 | #endif /* __LITTLE_ENDIAN */ | |
c609719b WD |
1133 | |
1134 | if ((iop->config & 0x0080)==0x0080) | |
1135 | dev_desc->removable = 1; | |
1136 | else | |
1137 | dev_desc->removable = 0; | |
1138 | ||
1139 | #if 0 | |
1140 | /* | |
1141 | * Drive PIO mode autoselection | |
1142 | */ | |
1143 | mode = iop->tPIO; | |
1144 | ||
1145 | printf ("tPIO = 0x%02x = %d\n",mode, mode); | |
1146 | if (mode > 2) { /* 2 is maximum allowed tPIO value */ | |
1147 | mode = 2; | |
1a344f29 | 1148 | debug ("Override tPIO -> 2\n"); |
c609719b WD |
1149 | } |
1150 | if (iop->field_valid & 2) { /* drive implements ATA2? */ | |
1a344f29 | 1151 | debug ("Drive implements ATA2\n"); |
c609719b WD |
1152 | if (iop->capability & 8) { /* drive supports use_iordy? */ |
1153 | cycle_time = iop->eide_pio_iordy; | |
1154 | } else { | |
1155 | cycle_time = iop->eide_pio; | |
1156 | } | |
1a344f29 | 1157 | debug ("cycle time = %d\n", cycle_time); |
c609719b WD |
1158 | mode = 4; |
1159 | if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */ | |
1160 | if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */ | |
1161 | if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */ | |
1162 | if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */ | |
1163 | } | |
1164 | printf ("PIO mode to use: PIO %d\n", mode); | |
1165 | #endif /* 0 */ | |
1166 | ||
1167 | #ifdef CONFIG_ATAPI | |
1168 | if (dev_desc->if_type==IF_TYPE_ATAPI) { | |
1169 | atapi_inquiry(dev_desc); | |
1170 | return; | |
1171 | } | |
1172 | #endif /* CONFIG_ATAPI */ | |
1173 | ||
c3f9d493 | 1174 | #ifdef __BIG_ENDIAN |
c609719b WD |
1175 | /* swap shorts */ |
1176 | dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16); | |
c3f9d493 WD |
1177 | #else /* ! __BIG_ENDIAN */ |
1178 | /* | |
1179 | * do not swap shorts on little endian | |
1180 | * | |
1181 | * See CF+ and CompactFlash Specification Revision 2.0: | |
1182 | * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details. | |
1183 | */ | |
1184 | dev_desc->lba = iop->lba_capacity; | |
1185 | #endif /* __BIG_ENDIAN */ | |
c40b2956 | 1186 | |
42dfe7a1 | 1187 | #ifdef CONFIG_LBA48 |
c40b2956 | 1188 | if (iop->command_set_2 & 0x0400) { /* LBA 48 support */ |
6e592385 WD |
1189 | dev_desc->lba48 = 1; |
1190 | dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] | | |
c40b2956 WD |
1191 | ((unsigned long long)iop->lba48_capacity[1] << 16) | |
1192 | ((unsigned long long)iop->lba48_capacity[2] << 32) | | |
1193 | ((unsigned long long)iop->lba48_capacity[3] << 48); | |
1194 | } else { | |
c40b2956 WD |
1195 | dev_desc->lba48 = 0; |
1196 | } | |
1197 | #endif /* CONFIG_LBA48 */ | |
c609719b WD |
1198 | /* assuming HD */ |
1199 | dev_desc->type=DEV_TYPE_HARDDISK; | |
1200 | dev_desc->blksz=ATA_BLOCKSIZE; | |
1201 | dev_desc->lun=0; /* just to fill something in... */ | |
1202 | ||
1203 | #if 0 /* only used to test the powersaving mode, | |
1204 | * if enabled, the drive goes after 5 sec | |
1205 | * in standby mode */ | |
2262cfee | 1206 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1207 | c = ide_wait (device, IDE_TIME_OUT); |
2262cfee WD |
1208 | ide_outb (device, ATA_SECT_CNT, 1); |
1209 | ide_outb (device, ATA_LBA_LOW, 0); | |
1210 | ide_outb (device, ATA_LBA_MID, 0); | |
1211 | ide_outb (device, ATA_LBA_HIGH, 0); | |
1a344f29 | 1212 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
2262cfee | 1213 | ide_outb (device, ATA_COMMAND, 0xe3); |
c609719b WD |
1214 | udelay (50); |
1215 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1216 | #endif | |
1217 | } | |
1218 | ||
1219 | ||
1220 | /* ------------------------------------------------------------------------- */ | |
1221 | ||
c40b2956 | 1222 | ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
1223 | { |
1224 | ulong n = 0; | |
1225 | unsigned char c; | |
1226 | unsigned char pwrsave=0; /* power save */ | |
42dfe7a1 | 1227 | #ifdef CONFIG_LBA48 |
c40b2956 | 1228 | unsigned char lba48 = 0; |
c609719b | 1229 | |
c40b2956 WD |
1230 | if (blknr & 0x0000fffff0000000) { |
1231 | /* more than 28 bits used, use 48bit mode */ | |
1232 | lba48 = 1; | |
1233 | } | |
1234 | #endif | |
1a344f29 | 1235 | debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n", |
c609719b WD |
1236 | device, blknr, blkcnt, (ulong)buffer); |
1237 | ||
1238 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1239 | ||
1240 | /* Select device | |
1241 | */ | |
2262cfee | 1242 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1243 | c = ide_wait (device, IDE_TIME_OUT); |
1244 | ||
1245 | if (c & ATA_STAT_BUSY) { | |
1246 | printf ("IDE read: device %d not ready\n", device); | |
1247 | goto IDE_READ_E; | |
1248 | } | |
1249 | ||
1250 | /* first check if the drive is in Powersaving mode, if yes, | |
1251 | * increase the timeout value */ | |
2262cfee | 1252 | ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR); |
c609719b WD |
1253 | udelay (50); |
1254 | ||
1255 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1256 | ||
1257 | if (c & ATA_STAT_BUSY) { | |
1258 | printf ("IDE read: device %d not ready\n", device); | |
1259 | goto IDE_READ_E; | |
1260 | } | |
1261 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
1262 | printf ("No Powersaving mode %X\n", c); | |
1263 | } else { | |
2262cfee | 1264 | c = ide_inb(device,ATA_SECT_CNT); |
1a344f29 | 1265 | debug ("Powersaving %02X\n",c); |
c609719b WD |
1266 | if(c==0) |
1267 | pwrsave=1; | |
1268 | } | |
1269 | ||
1270 | ||
1271 | while (blkcnt-- > 0) { | |
1272 | ||
1273 | c = ide_wait (device, IDE_TIME_OUT); | |
1274 | ||
1275 | if (c & ATA_STAT_BUSY) { | |
1276 | printf ("IDE read: device %d not ready\n", device); | |
1277 | break; | |
1278 | } | |
42dfe7a1 | 1279 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1280 | if (lba48) { |
1281 | /* write high bits */ | |
1282 | ide_outb (device, ATA_SECT_CNT, 0); | |
1283 | ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
1284 | ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); | |
1285 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
1286 | } | |
1287 | #endif | |
2262cfee WD |
1288 | ide_outb (device, ATA_SECT_CNT, 1); |
1289 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1290 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1291 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1292 | |
42dfe7a1 | 1293 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1294 | if (lba48) { |
1295 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); | |
1296 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT); | |
1297 | ||
1298 | } else | |
1299 | #endif | |
1300 | { | |
1301 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
1302 | ATA_DEVICE(device) | | |
1303 | ((blknr >> 24) & 0xF) ); | |
1304 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ); | |
1305 | } | |
c609719b WD |
1306 | |
1307 | udelay (50); | |
1308 | ||
1309 | if(pwrsave) { | |
1310 | c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */ | |
1311 | pwrsave=0; | |
1312 | } else { | |
1313 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1314 | } | |
1315 | ||
1316 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
42dfe7a1 | 1317 | #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF) |
c40b2956 | 1318 | printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n", |
c609719b | 1319 | device, blknr, c); |
c40b2956 WD |
1320 | #else |
1321 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1322 | device, (ulong)blknr, c); | |
1323 | #endif | |
c609719b WD |
1324 | break; |
1325 | } | |
1326 | ||
1327 | input_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1328 | (void) ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1329 | |
1330 | ++n; | |
1331 | ++blknr; | |
1332 | buffer += ATA_SECTORWORDS; | |
1333 | } | |
1334 | IDE_READ_E: | |
1335 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1336 | return (n); | |
1337 | } | |
1338 | ||
1339 | /* ------------------------------------------------------------------------- */ | |
1340 | ||
1341 | ||
c40b2956 | 1342 | ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
1343 | { |
1344 | ulong n = 0; | |
1345 | unsigned char c; | |
42dfe7a1 | 1346 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1347 | unsigned char lba48 = 0; |
1348 | ||
1349 | if (blknr & 0x0000fffff0000000) { | |
1350 | /* more than 28 bits used, use 48bit mode */ | |
1351 | lba48 = 1; | |
1352 | } | |
1353 | #endif | |
c609719b WD |
1354 | |
1355 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1356 | ||
1357 | /* Select device | |
1358 | */ | |
2262cfee | 1359 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1360 | |
1361 | while (blkcnt-- > 0) { | |
1362 | ||
1363 | c = ide_wait (device, IDE_TIME_OUT); | |
1364 | ||
1365 | if (c & ATA_STAT_BUSY) { | |
1366 | printf ("IDE read: device %d not ready\n", device); | |
1367 | goto WR_OUT; | |
1368 | } | |
42dfe7a1 | 1369 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1370 | if (lba48) { |
1371 | /* write high bits */ | |
1372 | ide_outb (device, ATA_SECT_CNT, 0); | |
1373 | ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
1374 | ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); | |
1375 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
1376 | } | |
1377 | #endif | |
2262cfee WD |
1378 | ide_outb (device, ATA_SECT_CNT, 1); |
1379 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1380 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1381 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1382 | |
42dfe7a1 | 1383 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1384 | if (lba48) { |
1385 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); | |
1386 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT); | |
1387 | ||
1388 | } else | |
1389 | #endif | |
1390 | { | |
1391 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
1392 | ATA_DEVICE(device) | | |
1393 | ((blknr >> 24) & 0xF) ); | |
1394 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE); | |
1395 | } | |
c609719b WD |
1396 | |
1397 | udelay (50); | |
1398 | ||
1399 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1400 | ||
1401 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
42dfe7a1 | 1402 | #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF) |
c40b2956 | 1403 | printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n", |
c609719b | 1404 | device, blknr, c); |
c40b2956 WD |
1405 | #else |
1406 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1407 | device, (ulong)blknr, c); | |
1408 | #endif | |
c609719b WD |
1409 | goto WR_OUT; |
1410 | } | |
1411 | ||
1412 | output_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1413 | c = ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1414 | ++n; |
1415 | ++blknr; | |
1416 | buffer += ATA_SECTORWORDS; | |
1417 | } | |
1418 | WR_OUT: | |
1419 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1420 | return (n); | |
1421 | } | |
1422 | ||
1423 | /* ------------------------------------------------------------------------- */ | |
1424 | ||
1425 | /* | |
1426 | * copy src to dest, skipping leading and trailing blanks and null | |
1427 | * terminate the string | |
7d7ce412 | 1428 | * "len" is the size of available memory including the terminating '\0' |
c609719b | 1429 | */ |
7d7ce412 | 1430 | static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len) |
c609719b | 1431 | { |
7d7ce412 WD |
1432 | unsigned char *end, *last; |
1433 | ||
1434 | last = dst; | |
6fb6af6d | 1435 | end = src + len - 1; |
7d7ce412 WD |
1436 | |
1437 | /* reserve space for '\0' */ | |
1438 | if (len < 2) | |
1439 | goto OUT; | |
efa329cb | 1440 | |
7d7ce412 WD |
1441 | /* skip leading white space */ |
1442 | while ((*src) && (src<end) && (*src==' ')) | |
1443 | ++src; | |
1444 | ||
1445 | /* copy string, omitting trailing white space */ | |
1446 | while ((*src) && (src<end)) { | |
1447 | *dst++ = *src; | |
1448 | if (*src++ != ' ') | |
1449 | last = dst; | |
c609719b | 1450 | } |
7d7ce412 WD |
1451 | OUT: |
1452 | *last = '\0'; | |
c609719b WD |
1453 | } |
1454 | ||
1455 | /* ------------------------------------------------------------------------- */ | |
1456 | ||
1457 | /* | |
1458 | * Wait until Busy bit is off, or timeout (in ms) | |
1459 | * Return last status | |
1460 | */ | |
1461 | static uchar ide_wait (int dev, ulong t) | |
1462 | { | |
1463 | ulong delay = 10 * t; /* poll every 100 us */ | |
1464 | uchar c; | |
1465 | ||
2262cfee | 1466 | while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { |
c609719b WD |
1467 | udelay (100); |
1468 | if (delay-- == 0) { | |
1469 | break; | |
1470 | } | |
1471 | } | |
1472 | return (c); | |
1473 | } | |
1474 | ||
1475 | /* ------------------------------------------------------------------------- */ | |
1476 | ||
1477 | #ifdef CONFIG_IDE_RESET | |
1478 | extern void ide_set_reset(int idereset); | |
1479 | ||
1480 | static void ide_reset (void) | |
1481 | { | |
1482 | #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR) | |
1483 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
1484 | #endif | |
1485 | int i; | |
1486 | ||
1487 | curr_device = -1; | |
1488 | for (i=0; i<CFG_IDE_MAXBUS; ++i) | |
1489 | ide_bus_ok[i] = 0; | |
1490 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) | |
1491 | ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; | |
1492 | ||
1493 | ide_set_reset (1); /* assert reset */ | |
1494 | ||
1495 | WATCHDOG_RESET(); | |
1496 | ||
1497 | #ifdef CFG_PB_12V_ENABLE | |
1498 | immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */ | |
1499 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE); | |
1500 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE); | |
1501 | immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE; | |
1502 | ||
1503 | /* wait 500 ms for the voltage to stabilize | |
1504 | */ | |
1505 | for (i=0; i<500; ++i) { | |
1506 | udelay (1000); | |
1507 | } | |
1508 | ||
1509 | immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */ | |
1510 | #endif /* CFG_PB_12V_ENABLE */ | |
1511 | ||
1512 | #ifdef CFG_PB_IDE_MOTOR | |
1513 | /* configure IDE Motor voltage monitor pin as input */ | |
1514 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR); | |
1515 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR); | |
1516 | immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR); | |
1517 | ||
1518 | /* wait up to 1 s for the motor voltage to stabilize | |
1519 | */ | |
1520 | for (i=0; i<1000; ++i) { | |
1521 | if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) { | |
1522 | break; | |
1523 | } | |
1524 | udelay (1000); | |
1525 | } | |
1526 | ||
1527 | if (i == 1000) { /* Timeout */ | |
1528 | printf ("\nWarning: 5V for IDE Motor missing\n"); | |
1529 | # ifdef CONFIG_STATUS_LED | |
1530 | # ifdef STATUS_LED_YELLOW | |
1531 | status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON ); | |
1532 | # endif | |
1533 | # ifdef STATUS_LED_GREEN | |
1534 | status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF); | |
1535 | # endif | |
1536 | # endif /* CONFIG_STATUS_LED */ | |
1537 | } | |
1538 | #endif /* CFG_PB_IDE_MOTOR */ | |
1539 | ||
1540 | WATCHDOG_RESET(); | |
1541 | ||
1542 | /* de-assert RESET signal */ | |
1543 | ide_set_reset(0); | |
1544 | ||
1545 | /* wait 250 ms */ | |
1546 | for (i=0; i<250; ++i) { | |
1547 | udelay (1000); | |
1548 | } | |
1549 | } | |
1550 | ||
1551 | #endif /* CONFIG_IDE_RESET */ | |
1552 | ||
1553 | /* ------------------------------------------------------------------------- */ | |
1554 | ||
e2ffd59b WD |
1555 | #if defined(CONFIG_IDE_LED) && \ |
1556 | !defined(CONFIG_AMIGAONEG3SE)&& \ | |
1557 | !defined(CONFIG_CPC45) && \ | |
1558 | !defined(CONFIG_HMI10) && \ | |
1559 | !defined(CONFIG_KUP4K) && \ | |
1560 | !defined(CONFIG_KUP4X) | |
c609719b WD |
1561 | |
1562 | static uchar led_buffer = 0; /* Buffer for current LED status */ | |
1563 | ||
1564 | static void ide_led (uchar led, uchar status) | |
1565 | { | |
1566 | uchar *led_port = LED_PORT; | |
1567 | ||
1568 | if (status) { /* switch LED on */ | |
1569 | led_buffer |= led; | |
1570 | } else { /* switch LED off */ | |
1571 | led_buffer &= ~led; | |
1572 | } | |
1573 | ||
1574 | *led_port = led_buffer; | |
1575 | } | |
1576 | ||
1577 | #endif /* CONFIG_IDE_LED */ | |
1578 | ||
1579 | /* ------------------------------------------------------------------------- */ | |
1580 | ||
1581 | #ifdef CONFIG_ATAPI | |
1582 | /**************************************************************************** | |
1583 | * ATAPI Support | |
1584 | */ | |
1585 | ||
db01a2ea | 1586 | #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) |
c609719b WD |
1587 | /* since ATAPI may use commands with not 4 bytes alligned length |
1588 | * we have our own transfer functions, 2 bytes alligned */ | |
1589 | static void | |
1590 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1591 | { | |
1a344f29 | 1592 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) |
a522fa0e WD |
1593 | uchar *dbuf; |
1594 | volatile uchar *pbuf_even; | |
1595 | volatile uchar *pbuf_odd; | |
1596 | ||
1597 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
1598 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
1599 | while (shorts--) { | |
5cf91d6b | 1600 | EIEIO; |
a522fa0e | 1601 | *pbuf_even = *dbuf++; |
5cf91d6b | 1602 | EIEIO; |
a522fa0e WD |
1603 | *pbuf_odd = *dbuf++; |
1604 | } | |
1a344f29 | 1605 | #else |
c609719b WD |
1606 | ushort *dbuf; |
1607 | volatile ushort *pbuf; | |
1608 | ||
1609 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1610 | dbuf = (ushort *)sect_buf; | |
db01a2ea | 1611 | |
1a344f29 | 1612 | debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf); |
db01a2ea | 1613 | |
c609719b | 1614 | while (shorts--) { |
5cf91d6b | 1615 | EIEIO; |
1a344f29 | 1616 | *pbuf = *dbuf++; |
c609719b | 1617 | } |
1a344f29 WD |
1618 | #endif |
1619 | } | |
1620 | ||
1621 | static void | |
1622 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1623 | { | |
1624 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) | |
a522fa0e WD |
1625 | uchar *dbuf; |
1626 | volatile uchar *pbuf_even; | |
1627 | volatile uchar *pbuf_odd; | |
1628 | ||
1629 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
1630 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
1631 | while (shorts--) { | |
5cf91d6b | 1632 | EIEIO; |
a522fa0e | 1633 | *dbuf++ = *pbuf_even; |
5cf91d6b | 1634 | EIEIO; |
a522fa0e WD |
1635 | *dbuf++ = *pbuf_odd; |
1636 | } | |
1a344f29 WD |
1637 | #else |
1638 | ushort *dbuf; | |
1639 | volatile ushort *pbuf; | |
1640 | ||
1641 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1642 | dbuf = (ushort *)sect_buf; | |
1643 | ||
1644 | debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf); | |
1645 | ||
1646 | while (shorts--) { | |
1647 | EIEIO; | |
1648 | *dbuf++ = *pbuf; | |
1649 | } | |
1650 | #endif | |
c609719b WD |
1651 | } |
1652 | ||
2262cfee WD |
1653 | #else /* ! __PPC__ */ |
1654 | static void | |
1655 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1656 | { | |
15647dc7 | 1657 | outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1658 | } |
1659 | ||
2262cfee WD |
1660 | static void |
1661 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1662 | { | |
15647dc7 | 1663 | insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1664 | } |
1665 | ||
1666 | #endif /* __PPC__ */ | |
1667 | ||
c609719b WD |
1668 | /* |
1669 | * Wait until (Status & mask) == res, or timeout (in ms) | |
1670 | * Return last status | |
1671 | * This is used since some ATAPI CD ROMs clears their Busy Bit first | |
1672 | * and then they set their DRQ Bit | |
1673 | */ | |
1674 | static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res) | |
1675 | { | |
1676 | ulong delay = 10 * t; /* poll every 100 us */ | |
1677 | uchar c; | |
1678 | ||
2262cfee WD |
1679 | c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */ |
1680 | while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { | |
c609719b WD |
1681 | /* break if error occurs (doesn't make sense to wait more) */ |
1682 | if((c & ATA_STAT_ERR)==ATA_STAT_ERR) | |
1683 | break; | |
1684 | udelay (100); | |
1685 | if (delay-- == 0) { | |
1686 | break; | |
1687 | } | |
1688 | } | |
1689 | return (c); | |
1690 | } | |
1691 | ||
1692 | /* | |
1693 | * issue an atapi command | |
1694 | */ | |
1695 | unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen) | |
1696 | { | |
1697 | unsigned char c,err,mask,res; | |
1698 | int n; | |
1699 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1700 | ||
1701 | /* Select device | |
1702 | */ | |
1703 | mask = ATA_STAT_BUSY|ATA_STAT_DRQ; | |
1704 | res = 0; | |
c7de829c WD |
1705 | #ifdef CONFIG_AMIGAONEG3SE |
1706 | # warning THF: Removed LBA mode ??? | |
1707 | #endif | |
2262cfee | 1708 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1709 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); |
1710 | if ((c & mask) != res) { | |
1711 | printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c); | |
1712 | err=0xFF; | |
1713 | goto AI_OUT; | |
1714 | } | |
1715 | /* write taskfile */ | |
2262cfee | 1716 | ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ |
c7de829c WD |
1717 | ide_outb (device, ATA_SECT_CNT, 0); |
1718 | ide_outb (device, ATA_SECT_NUM, 0); | |
2262cfee | 1719 | ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF)); |
c7de829c WD |
1720 | ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF)); |
1721 | #ifdef CONFIG_AMIGAONEG3SE | |
1722 | # warning THF: Removed LBA mode ??? | |
1723 | #endif | |
2262cfee | 1724 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1725 | |
2262cfee | 1726 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET); |
c609719b WD |
1727 | udelay (50); |
1728 | ||
1729 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1730 | res = ATA_STAT_DRQ; | |
1731 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1732 | ||
1733 | if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ | |
1734 | printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c); | |
1735 | err=0xFF; | |
1736 | goto AI_OUT; | |
1737 | } | |
1738 | ||
1739 | output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */ | |
1740 | /* ATAPI Command written wait for completition */ | |
1741 | udelay (5000); /* device must set bsy */ | |
1742 | ||
1743 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1744 | /* if no data wait for DRQ = 0 BSY = 0 | |
1745 | * if data wait for DRQ = 1 BSY = 0 */ | |
1746 | res=0; | |
1747 | if(buflen) | |
1748 | res = ATA_STAT_DRQ; | |
1749 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1750 | if ((c & mask) != res ) { | |
1751 | if (c & ATA_STAT_ERR) { | |
2262cfee | 1752 | err=(ide_inb(device,ATA_ERROR_REG))>>4; |
1a344f29 | 1753 | debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c); |
c609719b WD |
1754 | } else { |
1755 | printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c); | |
1756 | err=0xFF; | |
1757 | } | |
1758 | goto AI_OUT; | |
1759 | } | |
2262cfee | 1760 | n=ide_inb(device, ATA_CYL_HIGH); |
c609719b | 1761 | n<<=8; |
2262cfee | 1762 | n+=ide_inb(device, ATA_CYL_LOW); |
c609719b WD |
1763 | if(n>buflen) { |
1764 | printf("ERROR, transfer bytes %d requested only %d\n",n,buflen); | |
1765 | err=0xff; | |
1766 | goto AI_OUT; | |
1767 | } | |
1768 | if((n==0)&&(buflen<0)) { | |
1769 | printf("ERROR, transfer bytes %d requested %d\n",n,buflen); | |
1770 | err=0xff; | |
1771 | goto AI_OUT; | |
1772 | } | |
1773 | if(n!=buflen) { | |
1a344f29 | 1774 | debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen); |
c609719b WD |
1775 | } |
1776 | if(n!=0) { /* data transfer */ | |
1a344f29 | 1777 | debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n); |
c609719b WD |
1778 | /* we transfer shorts */ |
1779 | n>>=1; | |
1780 | /* ok now decide if it is an in or output */ | |
2262cfee | 1781 | if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) { |
1a344f29 | 1782 | debug ("Write to device\n"); |
c609719b WD |
1783 | output_data_shorts(device,(unsigned short *)buffer,n); |
1784 | } else { | |
1a344f29 | 1785 | debug ("Read from device @ %p shorts %d\n",buffer,n); |
c609719b WD |
1786 | input_data_shorts(device,(unsigned short *)buffer,n); |
1787 | } | |
1788 | } | |
1789 | udelay(5000); /* seems that some CD ROMs need this... */ | |
1790 | mask = ATA_STAT_BUSY|ATA_STAT_ERR; | |
1791 | res=0; | |
1792 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1793 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
2262cfee | 1794 | err=(ide_inb(device,ATA_ERROR_REG) >> 4); |
1a344f29 | 1795 | debug ("atapi_issue 2 returned sense key %X status %X\n",err,c); |
c609719b WD |
1796 | } else { |
1797 | err = 0; | |
1798 | } | |
1799 | AI_OUT: | |
1800 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1801 | return (err); | |
1802 | } | |
1803 | ||
1804 | /* | |
1805 | * sending the command to atapi_issue. If an status other than good | |
1806 | * returns, an request_sense will be issued | |
1807 | */ | |
1808 | ||
1809 | #define ATAPI_DRIVE_NOT_READY 100 | |
1810 | #define ATAPI_UNIT_ATTN 10 | |
1811 | ||
1812 | unsigned char atapi_issue_autoreq (int device, | |
1813 | unsigned char* ccb, | |
1814 | int ccblen, | |
1815 | unsigned char *buffer, | |
1816 | int buflen) | |
1817 | { | |
1818 | unsigned char sense_data[18],sense_ccb[12]; | |
1819 | unsigned char res,key,asc,ascq; | |
1820 | int notready,unitattn; | |
1821 | ||
c7de829c WD |
1822 | #ifdef CONFIG_AMIGAONEG3SE |
1823 | char *s; | |
1824 | unsigned int timeout, retrycnt; | |
1825 | ||
1826 | s = getenv("ide_cd_timeout"); | |
1827 | timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0; | |
1828 | ||
1829 | retrycnt = 0; | |
1830 | #endif | |
1831 | ||
c609719b WD |
1832 | unitattn=ATAPI_UNIT_ATTN; |
1833 | notready=ATAPI_DRIVE_NOT_READY; | |
1834 | ||
1835 | retry: | |
1836 | res= atapi_issue(device,ccb,ccblen,buffer,buflen); | |
1837 | if (res==0) | |
1838 | return (0); /* Ok */ | |
1839 | ||
1840 | if (res==0xFF) | |
1841 | return (0xFF); /* error */ | |
1842 | ||
1a344f29 | 1843 | debug ("(auto_req)atapi_issue returned sense key %X\n",res); |
c609719b WD |
1844 | |
1845 | memset(sense_ccb,0,sizeof(sense_ccb)); | |
1846 | memset(sense_data,0,sizeof(sense_data)); | |
1847 | sense_ccb[0]=ATAPI_CMD_REQ_SENSE; | |
c7de829c | 1848 | sense_ccb[4]=18; /* allocation Length */ |
c609719b WD |
1849 | |
1850 | res=atapi_issue(device,sense_ccb,12,sense_data,18); | |
1851 | key=(sense_data[2]&0xF); | |
1852 | asc=(sense_data[12]); | |
1853 | ascq=(sense_data[13]); | |
1854 | ||
1a344f29 WD |
1855 | debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res); |
1856 | debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", | |
c609719b WD |
1857 | sense_data[0], |
1858 | key, | |
1859 | asc, | |
1860 | ascq); | |
1861 | ||
1862 | if((key==0)) | |
1863 | return 0; /* ok device ready */ | |
1864 | ||
1865 | if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */ | |
1866 | if(unitattn-->0) { | |
1867 | udelay(200*1000); | |
1868 | goto retry; | |
1869 | } | |
1870 | printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN); | |
1871 | goto error; | |
1872 | } | |
1873 | if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */ | |
1874 | if (notready-->0) { | |
1875 | udelay(200*1000); | |
1876 | goto retry; | |
1877 | } | |
1878 | printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY); | |
1879 | goto error; | |
1880 | } | |
1881 | if(asc==0x3a) { | |
1a344f29 | 1882 | debug ("Media not present\n"); |
c609719b WD |
1883 | goto error; |
1884 | } | |
c7de829c WD |
1885 | |
1886 | #ifdef CONFIG_AMIGAONEG3SE | |
1887 | if ((sense_data[2]&0xF)==0x0B) { | |
1a344f29 | 1888 | debug ("ABORTED COMMAND...retry\n"); |
c7de829c WD |
1889 | if (retrycnt++ < 4) |
1890 | goto retry; | |
1891 | return (0xFF); | |
1892 | } | |
1893 | ||
1894 | if ((sense_data[2]&0xf) == 0x02 && | |
1895 | sense_data[12] == 0x04 && | |
1896 | sense_data[13] == 0x01 ) { | |
1a344f29 | 1897 | debug ("Waiting for unit to become active\n"); |
c7de829c WD |
1898 | udelay(timeout); |
1899 | if (retrycnt++ < 4) | |
1900 | goto retry; | |
1901 | return 0xFF; | |
1902 | } | |
1903 | #endif /* CONFIG_AMIGAONEG3SE */ | |
1904 | ||
c609719b WD |
1905 | printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); |
1906 | error: | |
1a344f29 | 1907 | debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); |
c609719b WD |
1908 | return (0xFF); |
1909 | } | |
1910 | ||
1911 | ||
c609719b WD |
1912 | static void atapi_inquiry(block_dev_desc_t * dev_desc) |
1913 | { | |
1914 | unsigned char ccb[12]; /* Command descriptor block */ | |
1915 | unsigned char iobuf[64]; /* temp buf */ | |
1916 | unsigned char c; | |
1917 | int device; | |
1918 | ||
1919 | device=dev_desc->dev; | |
1920 | dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */ | |
1921 | dev_desc->block_read=atapi_read; | |
1922 | ||
1923 | memset(ccb,0,sizeof(ccb)); | |
1924 | memset(iobuf,0,sizeof(iobuf)); | |
1925 | ||
1926 | ccb[0]=ATAPI_CMD_INQUIRY; | |
1927 | ccb[4]=40; /* allocation Legnth */ | |
1928 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40); | |
1929 | ||
1a344f29 | 1930 | debug ("ATAPI_CMD_INQUIRY returned %x\n",c); |
c609719b WD |
1931 | if (c!=0) |
1932 | return; | |
1933 | ||
1934 | /* copy device ident strings */ | |
1935 | ident_cpy(dev_desc->vendor,&iobuf[8],8); | |
1936 | ident_cpy(dev_desc->product,&iobuf[16],16); | |
1937 | ident_cpy(dev_desc->revision,&iobuf[32],5); | |
1938 | ||
1939 | dev_desc->lun=0; | |
1940 | dev_desc->lba=0; | |
1941 | dev_desc->blksz=0; | |
1942 | dev_desc->type=iobuf[0] & 0x1f; | |
1943 | ||
1944 | if ((iobuf[1]&0x80)==0x80) | |
1945 | dev_desc->removable = 1; | |
1946 | else | |
1947 | dev_desc->removable = 0; | |
1948 | ||
1949 | memset(ccb,0,sizeof(ccb)); | |
1950 | memset(iobuf,0,sizeof(iobuf)); | |
1951 | ccb[0]=ATAPI_CMD_START_STOP; | |
1952 | ccb[4]=0x03; /* start */ | |
1953 | ||
1954 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1955 | ||
1a344f29 | 1956 | debug ("ATAPI_CMD_START_STOP returned %x\n",c); |
c609719b WD |
1957 | if (c!=0) |
1958 | return; | |
1959 | ||
1960 | memset(ccb,0,sizeof(ccb)); | |
1961 | memset(iobuf,0,sizeof(iobuf)); | |
1962 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1963 | ||
1a344f29 | 1964 | debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c); |
c609719b WD |
1965 | if (c!=0) |
1966 | return; | |
1967 | ||
1968 | memset(ccb,0,sizeof(ccb)); | |
1969 | memset(iobuf,0,sizeof(iobuf)); | |
1970 | ccb[0]=ATAPI_CMD_READ_CAP; | |
1971 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8); | |
1a344f29 | 1972 | debug ("ATAPI_CMD_READ_CAP returned %x\n",c); |
c609719b WD |
1973 | if (c!=0) |
1974 | return; | |
1975 | ||
1a344f29 | 1976 | debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", |
c609719b WD |
1977 | iobuf[0],iobuf[1],iobuf[2],iobuf[3], |
1978 | iobuf[4],iobuf[5],iobuf[6],iobuf[7]); | |
1979 | ||
1980 | dev_desc->lba =((unsigned long)iobuf[0]<<24) + | |
1981 | ((unsigned long)iobuf[1]<<16) + | |
1982 | ((unsigned long)iobuf[2]<< 8) + | |
1983 | ((unsigned long)iobuf[3]); | |
1984 | dev_desc->blksz=((unsigned long)iobuf[4]<<24) + | |
1985 | ((unsigned long)iobuf[5]<<16) + | |
1986 | ((unsigned long)iobuf[6]<< 8) + | |
1987 | ((unsigned long)iobuf[7]); | |
42dfe7a1 | 1988 | #ifdef CONFIG_LBA48 |
c40b2956 | 1989 | dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ |
42dfe7a1 | 1990 | #endif |
c609719b WD |
1991 | return; |
1992 | } | |
1993 | ||
1994 | ||
1995 | /* | |
1996 | * atapi_read: | |
1997 | * we transfer only one block per command, since the multiple DRQ per | |
1998 | * command is not yet implemented | |
1999 | */ | |
2000 | #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ | |
2001 | #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ | |
2002 | #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */ | |
2003 | ||
c40b2956 | 2004 | ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
2005 | { |
2006 | ulong n = 0; | |
2007 | unsigned char ccb[12]; /* Command descriptor block */ | |
2008 | ulong cnt; | |
2009 | ||
1a344f29 | 2010 | debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n", |
c609719b WD |
2011 | device, blknr, blkcnt, (ulong)buffer); |
2012 | ||
2013 | do { | |
2014 | if (blkcnt>ATAPI_READ_MAX_BLOCK) { | |
2015 | cnt=ATAPI_READ_MAX_BLOCK; | |
2016 | } else { | |
2017 | cnt=blkcnt; | |
2018 | } | |
2019 | ccb[0]=ATAPI_CMD_READ_12; | |
2020 | ccb[1]=0; /* reserved */ | |
2021 | ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */ | |
2022 | ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */ | |
2023 | ccb[4]=(unsigned char) (blknr>> 8) & 0xFF; | |
2024 | ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */ | |
2025 | ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */ | |
2026 | ccb[7]=(unsigned char) (cnt >>16) & 0xFF; | |
2027 | ccb[8]=(unsigned char) (cnt >> 8) & 0xFF; | |
2028 | ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */ | |
2029 | ccb[10]=0; /* reserved */ | |
2030 | ccb[11]=0; /* reserved */ | |
2031 | ||
2032 | if (atapi_issue_autoreq(device,ccb,12, | |
2033 | (unsigned char *)buffer, | |
2034 | cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) { | |
2035 | return (n); | |
2036 | } | |
2037 | n+=cnt; | |
2038 | blkcnt-=cnt; | |
2039 | blknr+=cnt; | |
2040 | buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */ | |
2041 | } while (blkcnt > 0); | |
2042 | return (n); | |
2043 | } | |
2044 | ||
2045 | /* ------------------------------------------------------------------------- */ | |
2046 | ||
2047 | #endif /* CONFIG_ATAPI */ | |
2048 | ||
0d498393 WD |
2049 | U_BOOT_CMD( |
2050 | ide, 5, 1, do_ide, | |
8bde7f77 WD |
2051 | "ide - IDE sub-system\n", |
2052 | "reset - reset IDE controller\n" | |
2053 | "ide info - show available IDE devices\n" | |
2054 | "ide device [dev] - show or set current device\n" | |
2055 | "ide part [dev] - print partition table of one or all IDE devices\n" | |
2056 | "ide read addr blk# cnt\n" | |
2057 | "ide write addr blk# cnt - read/write `cnt'" | |
2058 | " blocks starting at block `blk#'\n" | |
2059 | " to/from memory address `addr'\n" | |
2060 | ); | |
2061 | ||
0d498393 WD |
2062 | U_BOOT_CMD( |
2063 | diskboot, 3, 1, do_diskboot, | |
8bde7f77 WD |
2064 | "diskboot- boot from IDE device\n", |
2065 | "loadAddr dev:part\n" | |
2066 | ); | |
2067 | ||
c609719b | 2068 | #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */ |