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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 | ||
63 | ||
64 | #undef IDE_DEBUG | |
65 | ||
c7de829c | 66 | |
c609719b WD |
67 | #ifdef IDE_DEBUG |
68 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
69 | #else | |
70 | #define PRINTF(fmt,args...) | |
71 | #endif | |
72 | ||
73 | #if (CONFIG_COMMANDS & CFG_CMD_IDE) | |
74 | ||
15647dc7 | 75 | #ifdef CONFIG_IDE_8xx_DIRECT |
c609719b WD |
76 | /* Timings for IDE Interface |
77 | * | |
78 | * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk | |
79 | * 70 165 30 PIO-Mode 0, [ns] | |
80 | * 4 9 2 [Cycles] | |
81 | * 50 125 20 PIO-Mode 1, [ns] | |
82 | * 3 7 2 [Cycles] | |
83 | * 30 100 15 PIO-Mode 2, [ns] | |
84 | * 2 6 1 [Cycles] | |
85 | * 30 80 10 PIO-Mode 3, [ns] | |
86 | * 2 5 1 [Cycles] | |
87 | * 25 70 10 PIO-Mode 4, [ns] | |
88 | * 2 4 1 [Cycles] | |
89 | */ | |
90 | ||
91 | const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] = | |
92 | { | |
93 | /* Setup Length Hold */ | |
94 | { 70, 165, 30 }, /* PIO-Mode 0, [ns] */ | |
95 | { 50, 125, 20 }, /* PIO-Mode 1, [ns] */ | |
96 | { 30, 101, 15 }, /* PIO-Mode 2, [ns] */ | |
97 | { 30, 80, 10 }, /* PIO-Mode 3, [ns] */ | |
98 | { 25, 70, 10 }, /* PIO-Mode 4, [ns] */ | |
99 | }; | |
100 | ||
101 | static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1]; | |
102 | ||
103 | #ifndef CFG_PIO_MODE | |
104 | #define CFG_PIO_MODE 0 /* use a relaxed default */ | |
105 | #endif | |
106 | static int pio_mode = CFG_PIO_MODE; | |
107 | ||
108 | /* Make clock cycles and always round up */ | |
109 | ||
110 | #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U ) | |
111 | ||
15647dc7 WD |
112 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
113 | ||
c609719b WD |
114 | /* ------------------------------------------------------------------------- */ |
115 | ||
116 | /* Current I/O Device */ | |
117 | static int curr_device = -1; | |
118 | ||
119 | /* Current offset for IDE0 / IDE1 bus access */ | |
120 | ulong ide_bus_offset[CFG_IDE_MAXBUS] = { | |
121 | #if defined(CFG_ATA_IDE0_OFFSET) | |
122 | CFG_ATA_IDE0_OFFSET, | |
123 | #endif | |
124 | #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1) | |
125 | CFG_ATA_IDE1_OFFSET, | |
126 | #endif | |
127 | }; | |
128 | ||
15647dc7 | 129 | |
c609719b WD |
130 | #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)]) |
131 | ||
c7de829c | 132 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 133 | static int ide_bus_ok[CFG_IDE_MAXBUS]; |
c7de829c WD |
134 | #else |
135 | static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,}; | |
136 | #endif | |
c609719b WD |
137 | |
138 | static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE]; | |
139 | /* ------------------------------------------------------------------------- */ | |
140 | ||
141 | #ifdef CONFIG_IDE_LED | |
0608e04d | 142 | #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) |
c609719b WD |
143 | static void ide_led (uchar led, uchar status); |
144 | #else | |
1f53a416 WD |
145 | extern void ide_led (uchar led, uchar status); |
146 | #endif | |
147 | #else | |
c7de829c | 148 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b | 149 | #define ide_led(a,b) /* dummy */ |
c7de829c WD |
150 | #else |
151 | extern void ide_led(uchar led, uchar status); | |
152 | #define LED_IDE1 1 | |
153 | #define LED_IDE2 2 | |
154 | #define CONFIG_IDE_LED 1 | |
155 | #define DEVICE_LED(x) 1 | |
156 | #endif | |
c609719b WD |
157 | #endif |
158 | ||
159 | #ifdef CONFIG_IDE_RESET | |
160 | static void ide_reset (void); | |
161 | #else | |
162 | #define ide_reset() /* dummy */ | |
163 | #endif | |
164 | ||
165 | static void ide_ident (block_dev_desc_t *dev_desc); | |
166 | static uchar ide_wait (int dev, ulong t); | |
167 | ||
168 | #define IDE_TIME_OUT 2000 /* 2 sec timeout */ | |
169 | ||
170 | #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */ | |
171 | ||
172 | #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ | |
173 | ||
2262cfee WD |
174 | static void __inline__ ide_outb(int dev, int port, unsigned char val); |
175 | static unsigned char __inline__ ide_inb(int dev, int port); | |
c609719b WD |
176 | static void input_data(int dev, ulong *sect_buf, int words); |
177 | static void output_data(int dev, ulong *sect_buf, int words); | |
178 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
179 | ||
180 | ||
181 | #ifdef CONFIG_ATAPI | |
182 | static void atapi_inquiry(block_dev_desc_t *dev_desc); | |
c40b2956 | 183 | ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer); |
c609719b WD |
184 | #endif |
185 | ||
186 | ||
187 | #ifdef CONFIG_IDE_8xx_DIRECT | |
188 | static void set_pcmcia_timing (int pmode); | |
c609719b WD |
189 | #endif |
190 | ||
191 | /* ------------------------------------------------------------------------- */ | |
192 | ||
193 | int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
194 | { | |
195 | int rcode = 0; | |
196 | ||
197 | switch (argc) { | |
198 | case 0: | |
199 | case 1: | |
200 | printf ("Usage:\n%s\n", cmdtp->usage); | |
201 | return 1; | |
202 | case 2: | |
203 | if (strncmp(argv[1],"res",3) == 0) { | |
204 | puts ("\nReset IDE" | |
205 | #ifdef CONFIG_IDE_8xx_DIRECT | |
206 | " on PCMCIA " PCMCIA_SLOT_MSG | |
207 | #endif | |
208 | ": "); | |
209 | ||
210 | ide_init (); | |
211 | return 0; | |
212 | } else if (strncmp(argv[1],"inf",3) == 0) { | |
213 | int i; | |
214 | ||
215 | putc ('\n'); | |
216 | ||
217 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
218 | if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN) | |
219 | continue; /* list only known devices */ | |
220 | printf ("IDE device %d: ", i); | |
221 | dev_print(&ide_dev_desc[i]); | |
222 | } | |
223 | return 0; | |
224 | ||
225 | } else if (strncmp(argv[1],"dev",3) == 0) { | |
226 | if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) { | |
227 | puts ("\nno IDE devices available\n"); | |
228 | return 1; | |
229 | } | |
230 | printf ("\nIDE device %d: ", curr_device); | |
231 | dev_print(&ide_dev_desc[curr_device]); | |
232 | return 0; | |
233 | } else if (strncmp(argv[1],"part",4) == 0) { | |
234 | int dev, ok; | |
235 | ||
236 | for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) { | |
237 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
238 | ++ok; | |
239 | if (dev) | |
240 | putc ('\n'); | |
241 | print_part(&ide_dev_desc[dev]); | |
242 | } | |
243 | } | |
244 | if (!ok) { | |
245 | puts ("\nno IDE devices available\n"); | |
246 | rcode ++; | |
247 | } | |
248 | return rcode; | |
249 | } | |
250 | printf ("Usage:\n%s\n", cmdtp->usage); | |
251 | return 1; | |
252 | case 3: | |
253 | if (strncmp(argv[1],"dev",3) == 0) { | |
254 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
255 | ||
256 | printf ("\nIDE device %d: ", dev); | |
257 | if (dev >= CFG_IDE_MAXDEVICE) { | |
258 | puts ("unknown device\n"); | |
259 | return 1; | |
260 | } | |
261 | dev_print(&ide_dev_desc[dev]); | |
262 | /*ide_print (dev);*/ | |
263 | ||
264 | if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
265 | return 1; | |
266 | } | |
267 | ||
268 | curr_device = dev; | |
269 | ||
270 | puts ("... is now current device\n"); | |
271 | ||
272 | return 0; | |
273 | } else if (strncmp(argv[1],"part",4) == 0) { | |
274 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
275 | ||
276 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
277 | print_part(&ide_dev_desc[dev]); | |
278 | } else { | |
279 | printf ("\nIDE device %d not available\n", dev); | |
280 | rcode = 1; | |
281 | } | |
282 | return rcode; | |
283 | #if 0 | |
284 | } else if (strncmp(argv[1],"pio",4) == 0) { | |
285 | int mode = (int)simple_strtoul(argv[2], NULL, 10); | |
286 | ||
287 | if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) { | |
288 | puts ("\nSetting "); | |
289 | pio_mode = mode; | |
290 | ide_init (); | |
291 | } else { | |
292 | printf ("\nInvalid PIO mode %d (0 ... %d only)\n", | |
293 | mode, IDE_MAX_PIO_MODE); | |
294 | } | |
295 | return; | |
296 | #endif | |
297 | } | |
298 | ||
299 | printf ("Usage:\n%s\n", cmdtp->usage); | |
300 | return 1; | |
301 | default: | |
302 | /* at least 4 args */ | |
303 | ||
304 | if (strcmp(argv[1],"read") == 0) { | |
305 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
c609719b WD |
306 | ulong cnt = simple_strtoul(argv[4], NULL, 16); |
307 | ulong n; | |
42dfe7a1 WD |
308 | #ifdef CFG_64BIT_STRTOUL |
309 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); | |
c609719b | 310 | |
c40b2956 | 311 | printf ("\nIDE read: device %d block # %qd, count %ld ... ", |
c609719b | 312 | curr_device, blk, cnt); |
42dfe7a1 WD |
313 | #else |
314 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
315 | ||
316 | printf ("\nIDE read: device %d block # %ld, count %ld ... ", | |
317 | curr_device, blk, cnt); | |
318 | #endif | |
c609719b WD |
319 | |
320 | n = ide_dev_desc[curr_device].block_read (curr_device, | |
321 | blk, cnt, | |
322 | (ulong *)addr); | |
323 | /* flush cache after read */ | |
324 | flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz); | |
325 | ||
326 | printf ("%ld blocks read: %s\n", | |
327 | n, (n==cnt) ? "OK" : "ERROR"); | |
328 | if (n==cnt) { | |
329 | return 0; | |
330 | } else { | |
331 | return 1; | |
332 | } | |
333 | } else if (strcmp(argv[1],"write") == 0) { | |
334 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
c609719b WD |
335 | ulong cnt = simple_strtoul(argv[4], NULL, 16); |
336 | ulong n; | |
42dfe7a1 WD |
337 | #ifdef CFG_64BIT_STRTOUL |
338 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); | |
c609719b | 339 | |
c40b2956 | 340 | printf ("\nIDE write: device %d block # %qd, count %ld ... ", |
c609719b | 341 | curr_device, blk, cnt); |
42dfe7a1 WD |
342 | #else |
343 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
344 | ||
345 | printf ("\nIDE write: device %d block # %ld, count %ld ... ", | |
346 | curr_device, blk, cnt); | |
347 | #endif | |
c609719b WD |
348 | |
349 | n = ide_write (curr_device, blk, cnt, (ulong *)addr); | |
350 | ||
351 | printf ("%ld blocks written: %s\n", | |
352 | n, (n==cnt) ? "OK" : "ERROR"); | |
353 | if (n==cnt) { | |
354 | return 0; | |
355 | } else { | |
356 | return 1; | |
357 | } | |
358 | } else { | |
359 | printf ("Usage:\n%s\n", cmdtp->usage); | |
360 | rcode = 1; | |
361 | } | |
362 | ||
363 | return rcode; | |
364 | } | |
365 | } | |
366 | ||
367 | int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
368 | { | |
369 | char *boot_device = NULL; | |
370 | char *ep; | |
371 | int dev, part = 0; | |
372 | ulong cnt; | |
373 | ulong addr; | |
374 | disk_partition_t info; | |
375 | image_header_t *hdr; | |
376 | int rcode = 0; | |
377 | ||
378 | switch (argc) { | |
379 | case 1: | |
380 | addr = CFG_LOAD_ADDR; | |
381 | boot_device = getenv ("bootdevice"); | |
382 | break; | |
383 | case 2: | |
384 | addr = simple_strtoul(argv[1], NULL, 16); | |
385 | boot_device = getenv ("bootdevice"); | |
386 | break; | |
387 | case 3: | |
388 | addr = simple_strtoul(argv[1], NULL, 16); | |
389 | boot_device = argv[2]; | |
390 | break; | |
391 | default: | |
392 | printf ("Usage:\n%s\n", cmdtp->usage); | |
393 | SHOW_BOOT_PROGRESS (-1); | |
394 | return 1; | |
395 | } | |
396 | ||
397 | if (!boot_device) { | |
398 | puts ("\n** No boot device **\n"); | |
399 | SHOW_BOOT_PROGRESS (-1); | |
400 | return 1; | |
401 | } | |
402 | ||
403 | dev = simple_strtoul(boot_device, &ep, 16); | |
404 | ||
405 | if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) { | |
406 | printf ("\n** Device %d not available\n", dev); | |
407 | SHOW_BOOT_PROGRESS (-1); | |
408 | return 1; | |
409 | } | |
410 | ||
411 | if (*ep) { | |
412 | if (*ep != ':') { | |
413 | puts ("\n** Invalid boot device, use `dev[:part]' **\n"); | |
414 | SHOW_BOOT_PROGRESS (-1); | |
415 | return 1; | |
416 | } | |
417 | part = simple_strtoul(++ep, NULL, 16); | |
418 | } | |
419 | if (get_partition_info (&ide_dev_desc[dev], part, &info)) { | |
420 | SHOW_BOOT_PROGRESS (-1); | |
421 | return 1; | |
422 | } | |
4532cb69 WD |
423 | if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && |
424 | (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { | |
c609719b WD |
425 | printf ("\n** Invalid partition type \"%.32s\"" |
426 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
427 | info.type); | |
428 | SHOW_BOOT_PROGRESS (-1); | |
429 | return 1; | |
430 | } | |
431 | ||
432 | printf ("\nLoading from IDE device %d, partition %d: " | |
433 | "Name: %.32s Type: %.32s\n", | |
434 | dev, part, info.name, info.type); | |
435 | ||
436 | PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", | |
437 | info.start, info.size, info.blksz); | |
438 | ||
439 | if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) { | |
440 | printf ("** Read error on %d:%d\n", dev, part); | |
441 | SHOW_BOOT_PROGRESS (-1); | |
442 | return 1; | |
443 | } | |
444 | ||
445 | hdr = (image_header_t *)addr; | |
446 | ||
447 | if (ntohl(hdr->ih_magic) == IH_MAGIC) { | |
448 | ||
449 | print_image_hdr (hdr); | |
450 | ||
451 | cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t)); | |
452 | cnt += info.blksz - 1; | |
453 | cnt /= info.blksz; | |
454 | cnt -= 1; | |
455 | } else { | |
456 | printf("\n** Bad Magic Number **\n"); | |
457 | SHOW_BOOT_PROGRESS (-1); | |
458 | return 1; | |
459 | } | |
460 | ||
461 | if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt, | |
462 | (ulong *)(addr+info.blksz)) != cnt) { | |
463 | printf ("** Read error on %d:%d\n", dev, part); | |
464 | SHOW_BOOT_PROGRESS (-1); | |
465 | return 1; | |
466 | } | |
467 | ||
468 | ||
469 | /* Loading ok, update default load address */ | |
470 | ||
471 | load_addr = addr; | |
472 | ||
473 | /* Check if we should attempt an auto-start */ | |
474 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
475 | char *local_args[2]; | |
476 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
477 | ||
478 | local_args[0] = argv[0]; | |
479 | local_args[1] = NULL; | |
480 | ||
481 | printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); | |
482 | ||
483 | do_bootm (cmdtp, 0, 1, local_args); | |
484 | rcode = 1; | |
485 | } | |
486 | return rcode; | |
487 | } | |
488 | ||
489 | /* ------------------------------------------------------------------------- */ | |
490 | ||
491 | void ide_init (void) | |
492 | { | |
c609719b WD |
493 | |
494 | #ifdef CONFIG_IDE_8xx_DIRECT | |
15647dc7 | 495 | DECLARE_GLOBAL_DATA_PTR; |
c609719b WD |
496 | volatile immap_t *immr = (immap_t *)CFG_IMMR; |
497 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
498 | #endif | |
499 | unsigned char c; | |
500 | int i, bus; | |
c7de829c WD |
501 | #ifdef CONFIG_AMIGAONEG3SE |
502 | unsigned int max_bus_scan; | |
503 | unsigned int ata_reset_time; | |
504 | char *s; | |
505 | #endif | |
9fd5e31f WD |
506 | #ifdef CONFIG_IDE_8xx_PCCARD |
507 | extern int pcmcia_on (void); | |
508 | extern int ide_devices_found; /* Initialized in check_ide_device() */ | |
509 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
510 | ||
511 | #ifdef CONFIG_IDE_PREINIT | |
4d13cbad | 512 | extern int ide_preinit (void); |
9fd5e31f WD |
513 | WATCHDOG_RESET(); |
514 | ||
515 | if (ide_preinit ()) { | |
516 | puts ("ide_preinit failed\n"); | |
517 | return; | |
518 | } | |
519 | #endif /* CONFIG_IDE_PREINIT */ | |
c609719b WD |
520 | |
521 | #ifdef CONFIG_IDE_8xx_PCCARD | |
522 | extern int pcmcia_on (void); | |
6069ff26 | 523 | extern int ide_devices_found; /* Initialized in check_ide_device() */ |
c609719b WD |
524 | |
525 | WATCHDOG_RESET(); | |
526 | ||
6069ff26 | 527 | ide_devices_found = 0; |
c609719b | 528 | /* initialize the PCMCIA IDE adapter card */ |
6069ff26 WD |
529 | pcmcia_on(); |
530 | if (!ide_devices_found) | |
c609719b WD |
531 | return; |
532 | udelay (1000000); /* 1 s */ | |
533 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
534 | ||
535 | WATCHDOG_RESET(); | |
536 | ||
15647dc7 | 537 | #ifdef CONFIG_IDE_8xx_DIRECT |
c609719b WD |
538 | /* Initialize PIO timing tables */ |
539 | for (i=0; i <= IDE_MAX_PIO_MODE; ++i) { | |
540 | pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, | |
541 | gd->bus_clk); | |
542 | pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length, | |
543 | gd->bus_clk); | |
544 | pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, | |
545 | gd->bus_clk); | |
546 | PRINTF ("PIO Mode %d: setup=%2d ns/%d clk" | |
547 | " len=%3d ns/%d clk" | |
548 | " hold=%2d ns/%d clk\n", | |
549 | i, | |
550 | pio_config_ns[i].t_setup, pio_config_clk[i].t_setup, | |
551 | pio_config_ns[i].t_length, pio_config_clk[i].t_length, | |
552 | pio_config_ns[i].t_hold, pio_config_clk[i].t_hold); | |
553 | } | |
15647dc7 | 554 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
c609719b WD |
555 | |
556 | /* Reset the IDE just to be sure. | |
557 | * Light LED's to show | |
558 | */ | |
559 | ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */ | |
560 | ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */ | |
561 | ||
562 | #ifdef CONFIG_IDE_8xx_DIRECT | |
563 | /* PCMCIA / IDE initialization for common mem space */ | |
564 | pcmp->pcmc_pgcrb = 0; | |
c609719b WD |
565 | |
566 | /* start in PIO mode 0 - most relaxed timings */ | |
567 | pio_mode = 0; | |
568 | set_pcmcia_timing (pio_mode); | |
15647dc7 | 569 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
c609719b WD |
570 | |
571 | /* | |
572 | * Wait for IDE to get ready. | |
573 | * According to spec, this can take up to 31 seconds! | |
574 | */ | |
c7de829c | 575 | #ifndef CONFIG_AMIGAONEG3SE |
c609719b WD |
576 | for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) { |
577 | int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS); | |
c7de829c WD |
578 | #else |
579 | s = getenv("ide_maxbus"); | |
580 | if (s) | |
581 | max_bus_scan = simple_strtol(s, NULL, 10); | |
582 | else | |
583 | max_bus_scan = CFG_IDE_MAXBUS; | |
584 | ||
585 | for (bus=0; bus<max_bus_scan; ++bus) { | |
586 | int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan); | |
587 | #endif | |
c609719b | 588 | |
6069ff26 WD |
589 | #ifdef CONFIG_IDE_8xx_PCCARD |
590 | /* Skip non-ide devices from probing */ | |
591 | if ((ide_devices_found & (1 << bus)) == 0) { | |
592 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
593 | continue; | |
594 | } | |
595 | #endif | |
c609719b WD |
596 | printf ("Bus %d: ", bus); |
597 | ||
598 | ide_bus_ok[bus] = 0; | |
599 | ||
600 | /* Select device | |
601 | */ | |
602 | udelay (100000); /* 100 ms */ | |
2262cfee | 603 | ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); |
c609719b | 604 | udelay (100000); /* 100 ms */ |
c7de829c WD |
605 | #ifdef CONFIG_AMIGAONEG3SE |
606 | ata_reset_time = ATA_RESET_TIME; | |
607 | s = getenv("ide_reset_timeout"); | |
608 | if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10); | |
609 | #endif | |
c609719b WD |
610 | i = 0; |
611 | do { | |
612 | udelay (10000); /* 10 ms */ | |
613 | ||
2262cfee | 614 | c = ide_inb (dev, ATA_STATUS); |
c609719b | 615 | i++; |
c7de829c WD |
616 | #ifdef CONFIG_AMIGAONEG3SE |
617 | if (i > (ata_reset_time * 100)) { | |
618 | #else | |
c609719b | 619 | if (i > (ATA_RESET_TIME * 100)) { |
c7de829c | 620 | #endif |
c609719b WD |
621 | puts ("** Timeout **\n"); |
622 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
c7de829c WD |
623 | #ifdef CONFIG_AMIGAONEG3SE |
624 | /* If this is the second bus, the first one was OK */ | |
c40b2956 | 625 | if (bus != 0) { |
c7de829c WD |
626 | ide_bus_ok[bus] = 0; |
627 | goto skip_bus; | |
628 | } | |
629 | #endif | |
c609719b WD |
630 | return; |
631 | } | |
632 | if ((i >= 100) && ((i%100)==0)) { | |
633 | putc ('.'); | |
634 | } | |
635 | } while (c & ATA_STAT_BUSY); | |
636 | ||
637 | if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { | |
638 | puts ("not available "); | |
639 | PRINTF ("Status = 0x%02X ", c); | |
640 | #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ | |
641 | } else if ((c & ATA_STAT_READY) == 0) { | |
642 | puts ("not available "); | |
643 | PRINTF ("Status = 0x%02X ", c); | |
644 | #endif | |
645 | } else { | |
646 | puts ("OK "); | |
647 | ide_bus_ok[bus] = 1; | |
648 | } | |
649 | WATCHDOG_RESET(); | |
650 | } | |
c7de829c WD |
651 | |
652 | #ifdef CONFIG_AMIGAONEG3SE | |
653 | skip_bus: | |
654 | #endif | |
c609719b WD |
655 | putc ('\n'); |
656 | ||
657 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
658 | ||
659 | curr_device = -1; | |
660 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) { | |
661 | #ifdef CONFIG_IDE_LED | |
662 | int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; | |
663 | #endif | |
5cf9da48 | 664 | ide_dev_desc[i].type=DEV_TYPE_UNKNOWN; |
c609719b WD |
665 | ide_dev_desc[i].if_type=IF_TYPE_IDE; |
666 | ide_dev_desc[i].dev=i; | |
667 | ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
668 | ide_dev_desc[i].blksz=0; | |
669 | ide_dev_desc[i].lba=0; | |
670 | ide_dev_desc[i].block_read=ide_read; | |
671 | if (!ide_bus_ok[IDE_BUS(i)]) | |
672 | continue; | |
673 | ide_led (led, 1); /* LED on */ | |
674 | ide_ident(&ide_dev_desc[i]); | |
675 | ide_led (led, 0); /* LED off */ | |
676 | dev_print(&ide_dev_desc[i]); | |
677 | /* ide_print (i); */ | |
678 | if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { | |
679 | init_part (&ide_dev_desc[i]); /* initialize partition type */ | |
680 | if (curr_device < 0) | |
681 | curr_device = i; | |
682 | } | |
683 | } | |
684 | WATCHDOG_RESET(); | |
685 | } | |
686 | ||
687 | /* ------------------------------------------------------------------------- */ | |
688 | ||
689 | block_dev_desc_t * ide_get_dev(int dev) | |
690 | { | |
691 | return ((block_dev_desc_t *)&ide_dev_desc[dev]); | |
692 | } | |
693 | ||
694 | ||
695 | #ifdef CONFIG_IDE_8xx_DIRECT | |
696 | ||
697 | static void | |
698 | set_pcmcia_timing (int pmode) | |
699 | { | |
700 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
701 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); | |
702 | ulong timings; | |
703 | ||
704 | PRINTF ("Set timing for PIO Mode %d\n", pmode); | |
705 | ||
706 | timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold) | |
707 | | PCMCIA_SST(pio_config_clk[pmode].t_setup) | |
708 | | PCMCIA_SL (pio_config_clk[pmode].t_length) | |
709 | ; | |
710 | ||
711 | /* IDE 0 | |
712 | */ | |
713 | pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0; | |
714 | pcmp->pcmc_por0 = CFG_PCMCIA_POR0 | |
715 | #if (CFG_PCMCIA_POR0 != 0) | |
716 | | timings | |
717 | #endif | |
718 | ; | |
719 | PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); | |
720 | ||
721 | pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1; | |
722 | pcmp->pcmc_por1 = CFG_PCMCIA_POR1 | |
723 | #if (CFG_PCMCIA_POR1 != 0) | |
724 | | timings | |
725 | #endif | |
726 | ; | |
727 | PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); | |
728 | ||
729 | pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2; | |
730 | pcmp->pcmc_por2 = CFG_PCMCIA_POR2 | |
731 | #if (CFG_PCMCIA_POR2 != 0) | |
732 | | timings | |
733 | #endif | |
734 | ; | |
735 | PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); | |
736 | ||
737 | pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3; | |
738 | pcmp->pcmc_por3 = CFG_PCMCIA_POR3 | |
739 | #if (CFG_PCMCIA_POR3 != 0) | |
740 | | timings | |
741 | #endif | |
742 | ; | |
743 | PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); | |
744 | ||
745 | /* IDE 1 | |
746 | */ | |
747 | pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4; | |
748 | pcmp->pcmc_por4 = CFG_PCMCIA_POR4 | |
749 | #if (CFG_PCMCIA_POR4 != 0) | |
750 | | timings | |
751 | #endif | |
752 | ; | |
753 | PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); | |
754 | ||
755 | pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5; | |
756 | pcmp->pcmc_por5 = CFG_PCMCIA_POR5 | |
757 | #if (CFG_PCMCIA_POR5 != 0) | |
758 | | timings | |
759 | #endif | |
760 | ; | |
761 | PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); | |
762 | ||
763 | pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6; | |
764 | pcmp->pcmc_por6 = CFG_PCMCIA_POR6 | |
765 | #if (CFG_PCMCIA_POR6 != 0) | |
766 | | timings | |
767 | #endif | |
768 | ; | |
769 | PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); | |
770 | ||
771 | pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7; | |
772 | pcmp->pcmc_por7 = CFG_PCMCIA_POR7 | |
773 | #if (CFG_PCMCIA_POR7 != 0) | |
774 | | timings | |
775 | #endif | |
776 | ; | |
777 | PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); | |
778 | ||
779 | } | |
780 | ||
781 | #endif /* CONFIG_IDE_8xx_DIRECT */ | |
782 | ||
783 | /* ------------------------------------------------------------------------- */ | |
784 | ||
2262cfee | 785 | #ifdef __PPC__ |
c609719b | 786 | static void __inline__ |
2262cfee | 787 | ide_outb(int dev, int port, unsigned char val) |
c609719b | 788 | { |
9fd5e31f WD |
789 | PRINTF ("ide_outb (dev= %d, port= %d, val= 0x%02x) : @ 0x%08lx\n", |
790 | dev, port, val, (ATA_CURR_BASE(dev)+port)); | |
d4ca31c4 | 791 | |
c609719b WD |
792 | /* Ensure I/O operations complete */ |
793 | __asm__ volatile("eieio"); | |
794 | *((uchar *)(ATA_CURR_BASE(dev)+port)) = val; | |
c609719b | 795 | } |
2262cfee WD |
796 | #else /* ! __PPC__ */ |
797 | static void __inline__ | |
798 | ide_outb(int dev, int port, unsigned char val) | |
799 | { | |
15647dc7 | 800 | outb(val, ATA_CURR_BASE(dev)+port); |
2262cfee WD |
801 | } |
802 | #endif /* __PPC__ */ | |
803 | ||
c609719b | 804 | |
2262cfee | 805 | #ifdef __PPC__ |
c609719b | 806 | static unsigned char __inline__ |
2262cfee | 807 | ide_inb(int dev, int port) |
c609719b WD |
808 | { |
809 | uchar val; | |
810 | /* Ensure I/O operations complete */ | |
811 | __asm__ volatile("eieio"); | |
812 | val = *((uchar *)(ATA_CURR_BASE(dev)+port)); | |
9fd5e31f WD |
813 | PRINTF ("ide_inb (dev= %d, port= %d) : @ 0x%08lx -> 0x%02x\n", |
814 | dev, port, (ATA_CURR_BASE(dev)+port), val); | |
c609719b WD |
815 | return (val); |
816 | } | |
2262cfee WD |
817 | #else /* ! __PPC__ */ |
818 | static unsigned char __inline__ | |
819 | ide_inb(int dev, int port) | |
820 | { | |
15647dc7 | 821 | return inb(ATA_CURR_BASE(dev)+port); |
2262cfee WD |
822 | } |
823 | #endif /* __PPC__ */ | |
c609719b | 824 | |
2262cfee | 825 | #ifdef __PPC__ |
cceb871f | 826 | # ifdef CONFIG_AMIGAONEG3SE |
c7de829c WD |
827 | static void |
828 | output_data_short(int dev, ulong *sect_buf, int words) | |
829 | { | |
830 | ushort *dbuf; | |
831 | volatile ushort *pbuf; | |
8bde7f77 | 832 | |
c7de829c WD |
833 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); |
834 | dbuf = (ushort *)sect_buf; | |
835 | while (words--) { | |
836 | __asm__ volatile ("eieio"); | |
837 | *pbuf = *dbuf++; | |
838 | __asm__ volatile ("eieio"); | |
839 | } | |
840 | ||
841 | if (words&1) | |
842 | *pbuf = 0; | |
843 | } | |
cceb871f | 844 | # endif /* CONFIG_AMIGAONEG3SE */ |
5da627a4 | 845 | #endif /* __PPC_ */ |
c7de829c | 846 | |
5da627a4 WD |
847 | /* We only need to swap data if we are running on a big endian cpu. */ |
848 | /* But Au1x00 cpu:s already swaps data in big endian mode! */ | |
849 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00) | |
850 | #define input_swap_data(x,y,z) input_data(x,y,z) | |
851 | #else | |
c609719b WD |
852 | static void |
853 | input_swap_data(int dev, ulong *sect_buf, int words) | |
854 | { | |
c40b2956 | 855 | #ifndef CONFIG_HMI10 |
c609719b WD |
856 | volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); |
857 | ushort *dbuf = (ushort *)sect_buf; | |
858 | ||
859 | while (words--) { | |
860 | *dbuf++ = ld_le16(pbuf); | |
861 | *dbuf++ = ld_le16(pbuf); | |
862 | } | |
c40b2956 | 863 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
864 | uchar i; |
865 | volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
866 | volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
867 | ushort *dbuf = (ushort *)sect_buf; | |
868 | ||
869 | while (words--) { | |
870 | for (i=0; i<2; i++) { | |
871 | *(((uchar *)(dbuf)) + 1) = *pbuf_even; | |
872 | *(uchar *)dbuf = *pbuf_odd; | |
873 | dbuf+=1; | |
874 | } | |
875 | } | |
c40b2956 | 876 | #endif /* CONFIG_HMI10 */ |
c609719b | 877 | } |
5da627a4 | 878 | #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */ |
2262cfee WD |
879 | |
880 | ||
2262cfee | 881 | #ifdef __PPC__ |
c609719b WD |
882 | static void |
883 | output_data(int dev, ulong *sect_buf, int words) | |
884 | { | |
c40b2956 | 885 | #ifndef CONFIG_HMI10 |
c609719b WD |
886 | ushort *dbuf; |
887 | volatile ushort *pbuf; | |
888 | ||
889 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
890 | dbuf = (ushort *)sect_buf; | |
891 | while (words--) { | |
892 | __asm__ volatile ("eieio"); | |
893 | *pbuf = *dbuf++; | |
894 | __asm__ volatile ("eieio"); | |
895 | *pbuf = *dbuf++; | |
896 | } | |
c40b2956 | 897 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
898 | uchar *dbuf; |
899 | volatile uchar *pbuf_even; | |
900 | volatile uchar *pbuf_odd; | |
901 | ||
902 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
903 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
904 | dbuf = (uchar *)sect_buf; | |
905 | while (words--) { | |
906 | __asm__ volatile ("eieio"); | |
907 | *pbuf_even = *dbuf++; | |
908 | __asm__ volatile ("eieio"); | |
909 | *pbuf_odd = *dbuf++; | |
910 | __asm__ volatile ("eieio"); | |
911 | *pbuf_even = *dbuf++; | |
912 | __asm__ volatile ("eieio"); | |
913 | *pbuf_odd = *dbuf++; | |
914 | } | |
c40b2956 | 915 | #endif /* CONFIG_HMI10 */ |
c609719b | 916 | } |
2262cfee WD |
917 | #else /* ! __PPC__ */ |
918 | static void | |
919 | output_data(int dev, ulong *sect_buf, int words) | |
920 | { | |
15647dc7 | 921 | outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1); |
2262cfee WD |
922 | } |
923 | #endif /* __PPC__ */ | |
c609719b | 924 | |
2262cfee | 925 | #ifdef __PPC__ |
c609719b WD |
926 | static void |
927 | input_data(int dev, ulong *sect_buf, int words) | |
928 | { | |
c40b2956 | 929 | #ifndef CONFIG_HMI10 |
c609719b WD |
930 | ushort *dbuf; |
931 | volatile ushort *pbuf; | |
932 | ||
933 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
934 | dbuf = (ushort *)sect_buf; | |
935 | while (words--) { | |
936 | __asm__ volatile ("eieio"); | |
937 | *dbuf++ = *pbuf; | |
938 | __asm__ volatile ("eieio"); | |
939 | *dbuf++ = *pbuf; | |
940 | } | |
c40b2956 | 941 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
942 | uchar *dbuf; |
943 | volatile uchar *pbuf_even; | |
944 | volatile uchar *pbuf_odd; | |
945 | ||
946 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
947 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
948 | dbuf = (uchar *)sect_buf; | |
949 | while (words--) { | |
950 | __asm__ volatile ("eieio"); | |
951 | *dbuf++ = *pbuf_even; | |
952 | __asm__ volatile ("eieio"); | |
953 | *dbuf++ = *pbuf_odd; | |
954 | __asm__ volatile ("eieio"); | |
955 | *dbuf++ = *pbuf_even; | |
956 | __asm__ volatile ("eieio"); | |
957 | *dbuf++ = *pbuf_odd; | |
958 | } | |
c40b2956 | 959 | #endif /* CONFIG_HMI10 */ |
c609719b | 960 | } |
2262cfee WD |
961 | #else /* ! __PPC__ */ |
962 | static void | |
963 | input_data(int dev, ulong *sect_buf, int words) | |
964 | { | |
15647dc7 | 965 | insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1); |
2262cfee WD |
966 | } |
967 | ||
968 | #endif /* __PPC__ */ | |
c609719b | 969 | |
c7de829c WD |
970 | #ifdef CONFIG_AMIGAONEG3SE |
971 | static void | |
972 | input_data_short(int dev, ulong *sect_buf, int words) | |
973 | { | |
974 | ushort *dbuf; | |
975 | volatile ushort *pbuf; | |
976 | ||
977 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
978 | dbuf = (ushort *)sect_buf; | |
979 | while (words--) { | |
980 | __asm__ volatile ("eieio"); | |
981 | *dbuf++ = *pbuf; | |
982 | __asm__ volatile ("eieio"); | |
983 | } | |
984 | ||
c40b2956 | 985 | if (words&1) { |
c7de829c WD |
986 | ushort dummy; |
987 | dummy = *pbuf; | |
988 | } | |
989 | } | |
990 | #endif | |
991 | ||
c609719b WD |
992 | /* ------------------------------------------------------------------------- |
993 | */ | |
994 | static void ide_ident (block_dev_desc_t *dev_desc) | |
995 | { | |
996 | ulong iobuf[ATA_SECTORWORDS]; | |
997 | unsigned char c; | |
998 | hd_driveid_t *iop = (hd_driveid_t *)iobuf; | |
999 | ||
c7de829c WD |
1000 | #ifdef CONFIG_AMIGAONEG3SE |
1001 | int max_bus_scan; | |
1002 | int retries = 0; | |
1003 | char *s; | |
1004 | int do_retry = 0; | |
1005 | #endif | |
1006 | ||
c609719b WD |
1007 | #if 0 |
1008 | int mode, cycle_time; | |
1009 | #endif | |
1010 | int device; | |
1011 | device=dev_desc->dev; | |
1012 | printf (" Device %d: ", device); | |
1013 | ||
c7de829c WD |
1014 | #ifdef CONFIG_AMIGAONEG3SE |
1015 | s = getenv("ide_maxbus"); | |
1016 | if (s) { | |
1017 | max_bus_scan = simple_strtol(s, NULL, 10); | |
1018 | } else { | |
1019 | max_bus_scan = CFG_IDE_MAXBUS; | |
1020 | } | |
1021 | if (device >= max_bus_scan*2) { | |
1022 | dev_desc->type=DEV_TYPE_UNKNOWN; | |
1023 | return; | |
1024 | } | |
1025 | #endif | |
1026 | ||
c609719b WD |
1027 | ide_led (DEVICE_LED(device), 1); /* LED on */ |
1028 | /* Select device | |
1029 | */ | |
2262cfee | 1030 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1031 | dev_desc->if_type=IF_TYPE_IDE; |
1032 | #ifdef CONFIG_ATAPI | |
c7de829c WD |
1033 | |
1034 | #ifdef CONFIG_AMIGAONEG3SE | |
1035 | do_retry = 0; | |
1036 | retries = 0; | |
1037 | ||
1038 | /* Warning: This will be tricky to read */ | |
c40b2956 | 1039 | while (retries <= 1) { |
c7de829c WD |
1040 | #endif /* CONFIG_AMIGAONEG3SE */ |
1041 | ||
c609719b | 1042 | /* check signature */ |
2262cfee WD |
1043 | if ((ide_inb(device,ATA_SECT_CNT) == 0x01) && |
1044 | (ide_inb(device,ATA_SECT_NUM) == 0x01) && | |
1045 | (ide_inb(device,ATA_CYL_LOW) == 0x14) && | |
1046 | (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) { | |
c609719b WD |
1047 | /* ATAPI Signature found */ |
1048 | dev_desc->if_type=IF_TYPE_ATAPI; | |
1049 | /* Start Ident Command | |
1050 | */ | |
2262cfee | 1051 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT); |
c609719b WD |
1052 | /* |
1053 | * Wait for completion - ATAPI devices need more time | |
1054 | * to become ready | |
1055 | */ | |
1056 | c = ide_wait (device, ATAPI_TIME_OUT); | |
c40b2956 | 1057 | } else |
c609719b WD |
1058 | #endif |
1059 | { | |
1060 | /* Start Ident Command | |
1061 | */ | |
2262cfee | 1062 | ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT); |
c609719b WD |
1063 | |
1064 | /* Wait for completion | |
1065 | */ | |
1066 | c = ide_wait (device, IDE_TIME_OUT); | |
1067 | } | |
1068 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1069 | ||
1070 | if (((c & ATA_STAT_DRQ) == 0) || | |
1071 | ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) { | |
c7de829c WD |
1072 | #ifdef CONFIG_AMIGAONEG3SE |
1073 | if (retries == 0) { | |
1074 | do_retry = 1; | |
1075 | } else { | |
c7de829c WD |
1076 | return; |
1077 | } | |
1078 | #else | |
c609719b | 1079 | return; |
c7de829c WD |
1080 | #endif /* CONFIG_AMIGAONEG3SE */ |
1081 | } | |
1082 | ||
1083 | #ifdef CONFIG_AMIGAONEG3SE | |
1084 | s = getenv("ide_doreset"); | |
1085 | if (s && strcmp(s, "on") == 0 && 1 == do_retry) { | |
1086 | /* Need to soft reset the device in case it's an ATAPI... */ | |
1087 | PRINTF("Retrying...\n"); | |
1088 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
1089 | udelay(100000); | |
1090 | ide_outb (device, ATA_COMMAND, 0x08); | |
1091 | udelay (100000); /* 100 ms */ | |
1092 | retries++; | |
1093 | } else { | |
1094 | retries = 100; | |
c609719b | 1095 | } |
c7de829c WD |
1096 | } /* see above - ugly to read */ |
1097 | #endif /* CONFIG_AMIGAONEG3SE */ | |
c609719b WD |
1098 | |
1099 | input_swap_data (device, iobuf, ATA_SECTORWORDS); | |
1100 | ||
1101 | ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision)); | |
1102 | ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor)); | |
1103 | ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product)); | |
c3f9d493 WD |
1104 | #ifdef __LITTLE_ENDIAN |
1105 | /* | |
1106 | * firmware revision and model number have Big Endian Byte | |
1107 | * order in Word. Convert both to little endian. | |
1108 | * | |
1109 | * See CF+ and CompactFlash Specification Revision 2.0: | |
1110 | * 6.2.1.6: Identfy Drive, Table 39 for more details | |
1111 | */ | |
1112 | ||
1113 | strswab (dev_desc->revision); | |
1114 | strswab (dev_desc->vendor); | |
1115 | #endif /* __LITTLE_ENDIAN */ | |
c609719b WD |
1116 | |
1117 | if ((iop->config & 0x0080)==0x0080) | |
1118 | dev_desc->removable = 1; | |
1119 | else | |
1120 | dev_desc->removable = 0; | |
1121 | ||
1122 | #if 0 | |
1123 | /* | |
1124 | * Drive PIO mode autoselection | |
1125 | */ | |
1126 | mode = iop->tPIO; | |
1127 | ||
1128 | printf ("tPIO = 0x%02x = %d\n",mode, mode); | |
1129 | if (mode > 2) { /* 2 is maximum allowed tPIO value */ | |
1130 | mode = 2; | |
1131 | PRINTF ("Override tPIO -> 2\n"); | |
1132 | } | |
1133 | if (iop->field_valid & 2) { /* drive implements ATA2? */ | |
1134 | PRINTF ("Drive implements ATA2\n"); | |
1135 | if (iop->capability & 8) { /* drive supports use_iordy? */ | |
1136 | cycle_time = iop->eide_pio_iordy; | |
1137 | } else { | |
1138 | cycle_time = iop->eide_pio; | |
1139 | } | |
1140 | PRINTF ("cycle time = %d\n", cycle_time); | |
1141 | mode = 4; | |
1142 | if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */ | |
1143 | if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */ | |
1144 | if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */ | |
1145 | if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */ | |
1146 | } | |
1147 | printf ("PIO mode to use: PIO %d\n", mode); | |
1148 | #endif /* 0 */ | |
1149 | ||
1150 | #ifdef CONFIG_ATAPI | |
1151 | if (dev_desc->if_type==IF_TYPE_ATAPI) { | |
1152 | atapi_inquiry(dev_desc); | |
1153 | return; | |
1154 | } | |
1155 | #endif /* CONFIG_ATAPI */ | |
1156 | ||
c3f9d493 | 1157 | #ifdef __BIG_ENDIAN |
c609719b WD |
1158 | /* swap shorts */ |
1159 | dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16); | |
c3f9d493 WD |
1160 | #else /* ! __BIG_ENDIAN */ |
1161 | /* | |
1162 | * do not swap shorts on little endian | |
1163 | * | |
1164 | * See CF+ and CompactFlash Specification Revision 2.0: | |
1165 | * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details. | |
1166 | */ | |
1167 | dev_desc->lba = iop->lba_capacity; | |
1168 | #endif /* __BIG_ENDIAN */ | |
c40b2956 | 1169 | |
42dfe7a1 | 1170 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1171 | if (iop->command_set_2 & 0x0400) { /* LBA 48 support */ |
1172 | dev_desc->lba48support = 1; | |
1173 | dev_desc->lba48 = (unsigned long long)iop->lba48_capacity[0] | | |
1174 | ((unsigned long long)iop->lba48_capacity[1] << 16) | | |
1175 | ((unsigned long long)iop->lba48_capacity[2] << 32) | | |
1176 | ((unsigned long long)iop->lba48_capacity[3] << 48); | |
1177 | } else { | |
1178 | dev_desc->lba48support = 0; | |
1179 | dev_desc->lba48 = 0; | |
1180 | } | |
1181 | #endif /* CONFIG_LBA48 */ | |
c609719b WD |
1182 | /* assuming HD */ |
1183 | dev_desc->type=DEV_TYPE_HARDDISK; | |
1184 | dev_desc->blksz=ATA_BLOCKSIZE; | |
1185 | dev_desc->lun=0; /* just to fill something in... */ | |
1186 | ||
1187 | #if 0 /* only used to test the powersaving mode, | |
1188 | * if enabled, the drive goes after 5 sec | |
1189 | * in standby mode */ | |
2262cfee | 1190 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1191 | c = ide_wait (device, IDE_TIME_OUT); |
2262cfee WD |
1192 | ide_outb (device, ATA_SECT_CNT, 1); |
1193 | ide_outb (device, ATA_LBA_LOW, 0); | |
1194 | ide_outb (device, ATA_LBA_MID, 0); | |
1195 | ide_outb (device, ATA_LBA_HIGH, 0); | |
1196 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
c609719b | 1197 | ATA_DEVICE(device)); |
2262cfee | 1198 | ide_outb (device, ATA_COMMAND, 0xe3); |
c609719b WD |
1199 | udelay (50); |
1200 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1201 | #endif | |
1202 | } | |
1203 | ||
1204 | ||
1205 | /* ------------------------------------------------------------------------- */ | |
1206 | ||
c40b2956 | 1207 | ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
1208 | { |
1209 | ulong n = 0; | |
1210 | unsigned char c; | |
1211 | unsigned char pwrsave=0; /* power save */ | |
42dfe7a1 | 1212 | #ifdef CONFIG_LBA48 |
c40b2956 | 1213 | unsigned char lba48 = 0; |
c609719b | 1214 | |
c40b2956 WD |
1215 | if (blknr & 0x0000fffff0000000) { |
1216 | /* more than 28 bits used, use 48bit mode */ | |
1217 | lba48 = 1; | |
1218 | } | |
1219 | #endif | |
1220 | PRINTF ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n", | |
c609719b WD |
1221 | device, blknr, blkcnt, (ulong)buffer); |
1222 | ||
1223 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1224 | ||
1225 | /* Select device | |
1226 | */ | |
2262cfee | 1227 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1228 | c = ide_wait (device, IDE_TIME_OUT); |
1229 | ||
1230 | if (c & ATA_STAT_BUSY) { | |
1231 | printf ("IDE read: device %d not ready\n", device); | |
1232 | goto IDE_READ_E; | |
1233 | } | |
1234 | ||
1235 | /* first check if the drive is in Powersaving mode, if yes, | |
1236 | * increase the timeout value */ | |
2262cfee | 1237 | ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR); |
c609719b WD |
1238 | udelay (50); |
1239 | ||
1240 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1241 | ||
1242 | if (c & ATA_STAT_BUSY) { | |
1243 | printf ("IDE read: device %d not ready\n", device); | |
1244 | goto IDE_READ_E; | |
1245 | } | |
1246 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
1247 | printf ("No Powersaving mode %X\n", c); | |
1248 | } else { | |
2262cfee | 1249 | c = ide_inb(device,ATA_SECT_CNT); |
c609719b WD |
1250 | PRINTF("Powersaving %02X\n",c); |
1251 | if(c==0) | |
1252 | pwrsave=1; | |
1253 | } | |
1254 | ||
1255 | ||
1256 | while (blkcnt-- > 0) { | |
1257 | ||
1258 | c = ide_wait (device, IDE_TIME_OUT); | |
1259 | ||
1260 | if (c & ATA_STAT_BUSY) { | |
1261 | printf ("IDE read: device %d not ready\n", device); | |
1262 | break; | |
1263 | } | |
42dfe7a1 | 1264 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1265 | if (lba48) { |
1266 | /* write high bits */ | |
1267 | ide_outb (device, ATA_SECT_CNT, 0); | |
1268 | ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
1269 | ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); | |
1270 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
1271 | } | |
1272 | #endif | |
2262cfee WD |
1273 | ide_outb (device, ATA_SECT_CNT, 1); |
1274 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1275 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1276 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1277 | |
42dfe7a1 | 1278 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1279 | if (lba48) { |
1280 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); | |
1281 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT); | |
1282 | ||
1283 | } else | |
1284 | #endif | |
1285 | { | |
1286 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
1287 | ATA_DEVICE(device) | | |
1288 | ((blknr >> 24) & 0xF) ); | |
1289 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ); | |
1290 | } | |
c609719b WD |
1291 | |
1292 | udelay (50); | |
1293 | ||
1294 | if(pwrsave) { | |
1295 | c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */ | |
1296 | pwrsave=0; | |
1297 | } else { | |
1298 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1299 | } | |
1300 | ||
1301 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
42dfe7a1 | 1302 | #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF) |
c40b2956 | 1303 | printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n", |
c609719b | 1304 | device, blknr, c); |
c40b2956 WD |
1305 | #else |
1306 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1307 | device, (ulong)blknr, c); | |
1308 | #endif | |
c609719b WD |
1309 | break; |
1310 | } | |
1311 | ||
1312 | input_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1313 | (void) ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1314 | |
1315 | ++n; | |
1316 | ++blknr; | |
1317 | buffer += ATA_SECTORWORDS; | |
1318 | } | |
1319 | IDE_READ_E: | |
1320 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1321 | return (n); | |
1322 | } | |
1323 | ||
1324 | /* ------------------------------------------------------------------------- */ | |
1325 | ||
1326 | ||
c40b2956 | 1327 | ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
1328 | { |
1329 | ulong n = 0; | |
1330 | unsigned char c; | |
42dfe7a1 | 1331 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1332 | unsigned char lba48 = 0; |
1333 | ||
1334 | if (blknr & 0x0000fffff0000000) { | |
1335 | /* more than 28 bits used, use 48bit mode */ | |
1336 | lba48 = 1; | |
1337 | } | |
1338 | #endif | |
c609719b WD |
1339 | |
1340 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1341 | ||
1342 | /* Select device | |
1343 | */ | |
2262cfee | 1344 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1345 | |
1346 | while (blkcnt-- > 0) { | |
1347 | ||
1348 | c = ide_wait (device, IDE_TIME_OUT); | |
1349 | ||
1350 | if (c & ATA_STAT_BUSY) { | |
1351 | printf ("IDE read: device %d not ready\n", device); | |
1352 | goto WR_OUT; | |
1353 | } | |
42dfe7a1 | 1354 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1355 | if (lba48) { |
1356 | /* write high bits */ | |
1357 | ide_outb (device, ATA_SECT_CNT, 0); | |
1358 | ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
1359 | ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); | |
1360 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
1361 | } | |
1362 | #endif | |
2262cfee WD |
1363 | ide_outb (device, ATA_SECT_CNT, 1); |
1364 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1365 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1366 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1367 | |
42dfe7a1 | 1368 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1369 | if (lba48) { |
1370 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); | |
1371 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT); | |
1372 | ||
1373 | } else | |
1374 | #endif | |
1375 | { | |
1376 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
1377 | ATA_DEVICE(device) | | |
1378 | ((blknr >> 24) & 0xF) ); | |
1379 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE); | |
1380 | } | |
c609719b WD |
1381 | |
1382 | udelay (50); | |
1383 | ||
1384 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1385 | ||
1386 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
42dfe7a1 | 1387 | #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF) |
c40b2956 | 1388 | printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n", |
c609719b | 1389 | device, blknr, c); |
c40b2956 WD |
1390 | #else |
1391 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1392 | device, (ulong)blknr, c); | |
1393 | #endif | |
c609719b WD |
1394 | goto WR_OUT; |
1395 | } | |
1396 | ||
1397 | output_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1398 | c = ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1399 | ++n; |
1400 | ++blknr; | |
1401 | buffer += ATA_SECTORWORDS; | |
1402 | } | |
1403 | WR_OUT: | |
1404 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1405 | return (n); | |
1406 | } | |
1407 | ||
1408 | /* ------------------------------------------------------------------------- */ | |
1409 | ||
1410 | /* | |
1411 | * copy src to dest, skipping leading and trailing blanks and null | |
1412 | * terminate the string | |
7d7ce412 | 1413 | * "len" is the size of available memory including the terminating '\0' |
c609719b | 1414 | */ |
7d7ce412 | 1415 | static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len) |
c609719b | 1416 | { |
7d7ce412 WD |
1417 | unsigned char *end, *last; |
1418 | ||
1419 | last = dst; | |
6fb6af6d | 1420 | end = src + len - 1; |
7d7ce412 WD |
1421 | |
1422 | /* reserve space for '\0' */ | |
1423 | if (len < 2) | |
1424 | goto OUT; | |
efa329cb | 1425 | |
7d7ce412 WD |
1426 | /* skip leading white space */ |
1427 | while ((*src) && (src<end) && (*src==' ')) | |
1428 | ++src; | |
1429 | ||
1430 | /* copy string, omitting trailing white space */ | |
1431 | while ((*src) && (src<end)) { | |
1432 | *dst++ = *src; | |
1433 | if (*src++ != ' ') | |
1434 | last = dst; | |
c609719b | 1435 | } |
7d7ce412 WD |
1436 | OUT: |
1437 | *last = '\0'; | |
c609719b WD |
1438 | } |
1439 | ||
1440 | /* ------------------------------------------------------------------------- */ | |
1441 | ||
1442 | /* | |
1443 | * Wait until Busy bit is off, or timeout (in ms) | |
1444 | * Return last status | |
1445 | */ | |
1446 | static uchar ide_wait (int dev, ulong t) | |
1447 | { | |
1448 | ulong delay = 10 * t; /* poll every 100 us */ | |
1449 | uchar c; | |
1450 | ||
2262cfee | 1451 | while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { |
c609719b WD |
1452 | udelay (100); |
1453 | if (delay-- == 0) { | |
1454 | break; | |
1455 | } | |
1456 | } | |
1457 | return (c); | |
1458 | } | |
1459 | ||
1460 | /* ------------------------------------------------------------------------- */ | |
1461 | ||
1462 | #ifdef CONFIG_IDE_RESET | |
1463 | extern void ide_set_reset(int idereset); | |
1464 | ||
1465 | static void ide_reset (void) | |
1466 | { | |
1467 | #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR) | |
1468 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
1469 | #endif | |
1470 | int i; | |
1471 | ||
1472 | curr_device = -1; | |
1473 | for (i=0; i<CFG_IDE_MAXBUS; ++i) | |
1474 | ide_bus_ok[i] = 0; | |
1475 | for (i=0; i<CFG_IDE_MAXDEVICE; ++i) | |
1476 | ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; | |
1477 | ||
1478 | ide_set_reset (1); /* assert reset */ | |
1479 | ||
1480 | WATCHDOG_RESET(); | |
1481 | ||
1482 | #ifdef CFG_PB_12V_ENABLE | |
1483 | immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */ | |
1484 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE); | |
1485 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE); | |
1486 | immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE; | |
1487 | ||
1488 | /* wait 500 ms for the voltage to stabilize | |
1489 | */ | |
1490 | for (i=0; i<500; ++i) { | |
1491 | udelay (1000); | |
1492 | } | |
1493 | ||
1494 | immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */ | |
1495 | #endif /* CFG_PB_12V_ENABLE */ | |
1496 | ||
1497 | #ifdef CFG_PB_IDE_MOTOR | |
1498 | /* configure IDE Motor voltage monitor pin as input */ | |
1499 | immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR); | |
1500 | immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR); | |
1501 | immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR); | |
1502 | ||
1503 | /* wait up to 1 s for the motor voltage to stabilize | |
1504 | */ | |
1505 | for (i=0; i<1000; ++i) { | |
1506 | if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) { | |
1507 | break; | |
1508 | } | |
1509 | udelay (1000); | |
1510 | } | |
1511 | ||
1512 | if (i == 1000) { /* Timeout */ | |
1513 | printf ("\nWarning: 5V for IDE Motor missing\n"); | |
1514 | # ifdef CONFIG_STATUS_LED | |
1515 | # ifdef STATUS_LED_YELLOW | |
1516 | status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON ); | |
1517 | # endif | |
1518 | # ifdef STATUS_LED_GREEN | |
1519 | status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF); | |
1520 | # endif | |
1521 | # endif /* CONFIG_STATUS_LED */ | |
1522 | } | |
1523 | #endif /* CFG_PB_IDE_MOTOR */ | |
1524 | ||
1525 | WATCHDOG_RESET(); | |
1526 | ||
1527 | /* de-assert RESET signal */ | |
1528 | ide_set_reset(0); | |
1529 | ||
1530 | /* wait 250 ms */ | |
1531 | for (i=0; i<250; ++i) { | |
1532 | udelay (1000); | |
1533 | } | |
1534 | } | |
1535 | ||
1536 | #endif /* CONFIG_IDE_RESET */ | |
1537 | ||
1538 | /* ------------------------------------------------------------------------- */ | |
1539 | ||
0608e04d WD |
1540 | #if defined(CONFIG_IDE_LED) && \ |
1541 | !defined(CONFIG_AMIGAONEG3SE) && \ | |
1542 | !defined(CONFIG_KUP4K) && \ | |
1543 | !defined(CONFIG_KUP4X) && \ | |
1544 | !defined(CONFIG_HMI10) | |
c609719b WD |
1545 | |
1546 | static uchar led_buffer = 0; /* Buffer for current LED status */ | |
1547 | ||
1548 | static void ide_led (uchar led, uchar status) | |
1549 | { | |
1550 | uchar *led_port = LED_PORT; | |
1551 | ||
1552 | if (status) { /* switch LED on */ | |
1553 | led_buffer |= led; | |
1554 | } else { /* switch LED off */ | |
1555 | led_buffer &= ~led; | |
1556 | } | |
1557 | ||
1558 | *led_port = led_buffer; | |
1559 | } | |
1560 | ||
1561 | #endif /* CONFIG_IDE_LED */ | |
1562 | ||
1563 | /* ------------------------------------------------------------------------- */ | |
1564 | ||
1565 | #ifdef CONFIG_ATAPI | |
1566 | /**************************************************************************** | |
1567 | * ATAPI Support | |
1568 | */ | |
1569 | ||
1570 | ||
c609719b WD |
1571 | #undef ATAPI_DEBUG |
1572 | ||
1573 | #ifdef ATAPI_DEBUG | |
1574 | #define AT_PRINTF(fmt,args...) printf (fmt ,##args) | |
1575 | #else | |
1576 | #define AT_PRINTF(fmt,args...) | |
1577 | #endif | |
1578 | ||
2262cfee | 1579 | #ifdef __PPC__ |
c609719b WD |
1580 | /* since ATAPI may use commands with not 4 bytes alligned length |
1581 | * we have our own transfer functions, 2 bytes alligned */ | |
1582 | static void | |
1583 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1584 | { | |
c40b2956 | 1585 | #ifndef CONFIG_HMI10 |
c609719b WD |
1586 | ushort *dbuf; |
1587 | volatile ushort *pbuf; | |
1588 | ||
1589 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1590 | dbuf = (ushort *)sect_buf; | |
1591 | while (shorts--) { | |
1592 | __asm__ volatile ("eieio"); | |
1593 | *pbuf = *dbuf++; | |
1594 | } | |
c40b2956 | 1595 | #else /* CONFIG_HMI10 */ |
a522fa0e WD |
1596 | uchar *dbuf; |
1597 | volatile uchar *pbuf_even; | |
1598 | volatile uchar *pbuf_odd; | |
1599 | ||
1600 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
1601 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
1602 | while (shorts--) { | |
1603 | __asm__ volatile ("eieio"); | |
1604 | *pbuf_even = *dbuf++; | |
1605 | __asm__ volatile ("eieio"); | |
1606 | *pbuf_odd = *dbuf++; | |
1607 | } | |
c40b2956 | 1608 | #endif /* CONFIG_HMI10 */ |
c609719b WD |
1609 | } |
1610 | ||
1611 | static void | |
1612 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1613 | { | |
c40b2956 | 1614 | #ifndef CONFIG_HMI10 |
c609719b WD |
1615 | ushort *dbuf; |
1616 | volatile ushort *pbuf; | |
1617 | ||
1618 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1619 | dbuf = (ushort *)sect_buf; | |
1620 | while (shorts--) { | |
1621 | __asm__ volatile ("eieio"); | |
1622 | *dbuf++ = *pbuf; | |
1623 | } | |
c40b2956 | 1624 | #else /* CONFIG_HMI10 */ |
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--) { | |
1632 | __asm__ volatile ("eieio"); | |
1633 | *dbuf++ = *pbuf_even; | |
1634 | __asm__ volatile ("eieio"); | |
1635 | *dbuf++ = *pbuf_odd; | |
1636 | } | |
c40b2956 | 1637 | #endif /* CONFIG_HMI10 */ |
c609719b WD |
1638 | } |
1639 | ||
2262cfee WD |
1640 | #else /* ! __PPC__ */ |
1641 | static void | |
1642 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1643 | { | |
15647dc7 | 1644 | outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1645 | } |
1646 | ||
1647 | ||
1648 | static void | |
1649 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1650 | { | |
15647dc7 | 1651 | insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1652 | } |
1653 | ||
1654 | #endif /* __PPC__ */ | |
1655 | ||
c609719b WD |
1656 | /* |
1657 | * Wait until (Status & mask) == res, or timeout (in ms) | |
1658 | * Return last status | |
1659 | * This is used since some ATAPI CD ROMs clears their Busy Bit first | |
1660 | * and then they set their DRQ Bit | |
1661 | */ | |
1662 | static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res) | |
1663 | { | |
1664 | ulong delay = 10 * t; /* poll every 100 us */ | |
1665 | uchar c; | |
1666 | ||
2262cfee WD |
1667 | c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */ |
1668 | while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { | |
c609719b WD |
1669 | /* break if error occurs (doesn't make sense to wait more) */ |
1670 | if((c & ATA_STAT_ERR)==ATA_STAT_ERR) | |
1671 | break; | |
1672 | udelay (100); | |
1673 | if (delay-- == 0) { | |
1674 | break; | |
1675 | } | |
1676 | } | |
1677 | return (c); | |
1678 | } | |
1679 | ||
1680 | /* | |
1681 | * issue an atapi command | |
1682 | */ | |
1683 | unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen) | |
1684 | { | |
1685 | unsigned char c,err,mask,res; | |
1686 | int n; | |
1687 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1688 | ||
1689 | /* Select device | |
1690 | */ | |
1691 | mask = ATA_STAT_BUSY|ATA_STAT_DRQ; | |
1692 | res = 0; | |
c7de829c WD |
1693 | #ifdef CONFIG_AMIGAONEG3SE |
1694 | # warning THF: Removed LBA mode ??? | |
1695 | #endif | |
2262cfee | 1696 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1697 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); |
1698 | if ((c & mask) != res) { | |
1699 | printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c); | |
1700 | err=0xFF; | |
1701 | goto AI_OUT; | |
1702 | } | |
1703 | /* write taskfile */ | |
2262cfee | 1704 | ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ |
c7de829c WD |
1705 | ide_outb (device, ATA_SECT_CNT, 0); |
1706 | ide_outb (device, ATA_SECT_NUM, 0); | |
2262cfee | 1707 | ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF)); |
c7de829c WD |
1708 | ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF)); |
1709 | #ifdef CONFIG_AMIGAONEG3SE | |
1710 | # warning THF: Removed LBA mode ??? | |
1711 | #endif | |
2262cfee | 1712 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1713 | |
2262cfee | 1714 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET); |
c609719b WD |
1715 | udelay (50); |
1716 | ||
1717 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1718 | res = ATA_STAT_DRQ; | |
1719 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1720 | ||
1721 | if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ | |
1722 | printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c); | |
1723 | err=0xFF; | |
1724 | goto AI_OUT; | |
1725 | } | |
1726 | ||
1727 | output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */ | |
1728 | /* ATAPI Command written wait for completition */ | |
1729 | udelay (5000); /* device must set bsy */ | |
1730 | ||
1731 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1732 | /* if no data wait for DRQ = 0 BSY = 0 | |
1733 | * if data wait for DRQ = 1 BSY = 0 */ | |
1734 | res=0; | |
1735 | if(buflen) | |
1736 | res = ATA_STAT_DRQ; | |
1737 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1738 | if ((c & mask) != res ) { | |
1739 | if (c & ATA_STAT_ERR) { | |
2262cfee | 1740 | err=(ide_inb(device,ATA_ERROR_REG))>>4; |
c609719b WD |
1741 | AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c); |
1742 | } else { | |
1743 | printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c); | |
1744 | err=0xFF; | |
1745 | } | |
1746 | goto AI_OUT; | |
1747 | } | |
2262cfee | 1748 | n=ide_inb(device, ATA_CYL_HIGH); |
c609719b | 1749 | n<<=8; |
2262cfee | 1750 | n+=ide_inb(device, ATA_CYL_LOW); |
c609719b WD |
1751 | if(n>buflen) { |
1752 | printf("ERROR, transfer bytes %d requested only %d\n",n,buflen); | |
1753 | err=0xff; | |
1754 | goto AI_OUT; | |
1755 | } | |
1756 | if((n==0)&&(buflen<0)) { | |
1757 | printf("ERROR, transfer bytes %d requested %d\n",n,buflen); | |
1758 | err=0xff; | |
1759 | goto AI_OUT; | |
1760 | } | |
1761 | if(n!=buflen) { | |
1762 | AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen); | |
1763 | } | |
1764 | if(n!=0) { /* data transfer */ | |
1765 | AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n); | |
1766 | /* we transfer shorts */ | |
1767 | n>>=1; | |
1768 | /* ok now decide if it is an in or output */ | |
2262cfee | 1769 | if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) { |
c609719b WD |
1770 | AT_PRINTF("Write to device\n"); |
1771 | output_data_shorts(device,(unsigned short *)buffer,n); | |
1772 | } else { | |
1773 | AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n); | |
1774 | input_data_shorts(device,(unsigned short *)buffer,n); | |
1775 | } | |
1776 | } | |
1777 | udelay(5000); /* seems that some CD ROMs need this... */ | |
1778 | mask = ATA_STAT_BUSY|ATA_STAT_ERR; | |
1779 | res=0; | |
1780 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1781 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
2262cfee | 1782 | err=(ide_inb(device,ATA_ERROR_REG) >> 4); |
c609719b WD |
1783 | AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c); |
1784 | } else { | |
1785 | err = 0; | |
1786 | } | |
1787 | AI_OUT: | |
1788 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1789 | return (err); | |
1790 | } | |
1791 | ||
1792 | /* | |
1793 | * sending the command to atapi_issue. If an status other than good | |
1794 | * returns, an request_sense will be issued | |
1795 | */ | |
1796 | ||
1797 | #define ATAPI_DRIVE_NOT_READY 100 | |
1798 | #define ATAPI_UNIT_ATTN 10 | |
1799 | ||
1800 | unsigned char atapi_issue_autoreq (int device, | |
1801 | unsigned char* ccb, | |
1802 | int ccblen, | |
1803 | unsigned char *buffer, | |
1804 | int buflen) | |
1805 | { | |
1806 | unsigned char sense_data[18],sense_ccb[12]; | |
1807 | unsigned char res,key,asc,ascq; | |
1808 | int notready,unitattn; | |
1809 | ||
c7de829c WD |
1810 | #ifdef CONFIG_AMIGAONEG3SE |
1811 | char *s; | |
1812 | unsigned int timeout, retrycnt; | |
1813 | ||
1814 | s = getenv("ide_cd_timeout"); | |
1815 | timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0; | |
1816 | ||
1817 | retrycnt = 0; | |
1818 | #endif | |
1819 | ||
c609719b WD |
1820 | unitattn=ATAPI_UNIT_ATTN; |
1821 | notready=ATAPI_DRIVE_NOT_READY; | |
1822 | ||
1823 | retry: | |
1824 | res= atapi_issue(device,ccb,ccblen,buffer,buflen); | |
1825 | if (res==0) | |
1826 | return (0); /* Ok */ | |
1827 | ||
1828 | if (res==0xFF) | |
1829 | return (0xFF); /* error */ | |
1830 | ||
1831 | AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res); | |
1832 | ||
1833 | memset(sense_ccb,0,sizeof(sense_ccb)); | |
1834 | memset(sense_data,0,sizeof(sense_data)); | |
1835 | sense_ccb[0]=ATAPI_CMD_REQ_SENSE; | |
c7de829c | 1836 | sense_ccb[4]=18; /* allocation Length */ |
c609719b WD |
1837 | |
1838 | res=atapi_issue(device,sense_ccb,12,sense_data,18); | |
1839 | key=(sense_data[2]&0xF); | |
1840 | asc=(sense_data[12]); | |
1841 | ascq=(sense_data[13]); | |
1842 | ||
1843 | AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res); | |
1844 | AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", | |
1845 | sense_data[0], | |
1846 | key, | |
1847 | asc, | |
1848 | ascq); | |
1849 | ||
1850 | if((key==0)) | |
1851 | return 0; /* ok device ready */ | |
1852 | ||
1853 | if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */ | |
1854 | if(unitattn-->0) { | |
1855 | udelay(200*1000); | |
1856 | goto retry; | |
1857 | } | |
1858 | printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN); | |
1859 | goto error; | |
1860 | } | |
1861 | if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */ | |
1862 | if (notready-->0) { | |
1863 | udelay(200*1000); | |
1864 | goto retry; | |
1865 | } | |
1866 | printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY); | |
1867 | goto error; | |
1868 | } | |
1869 | if(asc==0x3a) { | |
1870 | AT_PRINTF("Media not present\n"); | |
1871 | goto error; | |
1872 | } | |
c7de829c WD |
1873 | |
1874 | #ifdef CONFIG_AMIGAONEG3SE | |
1875 | if ((sense_data[2]&0xF)==0x0B) { | |
1876 | AT_PRINTF("ABORTED COMMAND...retry\n"); | |
1877 | if (retrycnt++ < 4) | |
1878 | goto retry; | |
1879 | return (0xFF); | |
1880 | } | |
1881 | ||
1882 | if ((sense_data[2]&0xf) == 0x02 && | |
1883 | sense_data[12] == 0x04 && | |
1884 | sense_data[13] == 0x01 ) { | |
1885 | AT_PRINTF("Waiting for unit to become active\n"); | |
1886 | udelay(timeout); | |
1887 | if (retrycnt++ < 4) | |
1888 | goto retry; | |
1889 | return 0xFF; | |
1890 | } | |
1891 | #endif /* CONFIG_AMIGAONEG3SE */ | |
1892 | ||
c609719b WD |
1893 | printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); |
1894 | error: | |
1895 | AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); | |
1896 | return (0xFF); | |
1897 | } | |
1898 | ||
1899 | ||
c609719b WD |
1900 | static void atapi_inquiry(block_dev_desc_t * dev_desc) |
1901 | { | |
1902 | unsigned char ccb[12]; /* Command descriptor block */ | |
1903 | unsigned char iobuf[64]; /* temp buf */ | |
1904 | unsigned char c; | |
1905 | int device; | |
1906 | ||
1907 | device=dev_desc->dev; | |
1908 | dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */ | |
1909 | dev_desc->block_read=atapi_read; | |
1910 | ||
1911 | memset(ccb,0,sizeof(ccb)); | |
1912 | memset(iobuf,0,sizeof(iobuf)); | |
1913 | ||
1914 | ccb[0]=ATAPI_CMD_INQUIRY; | |
1915 | ccb[4]=40; /* allocation Legnth */ | |
1916 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40); | |
1917 | ||
1918 | AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c); | |
1919 | if (c!=0) | |
1920 | return; | |
1921 | ||
1922 | /* copy device ident strings */ | |
1923 | ident_cpy(dev_desc->vendor,&iobuf[8],8); | |
1924 | ident_cpy(dev_desc->product,&iobuf[16],16); | |
1925 | ident_cpy(dev_desc->revision,&iobuf[32],5); | |
1926 | ||
1927 | dev_desc->lun=0; | |
1928 | dev_desc->lba=0; | |
1929 | dev_desc->blksz=0; | |
1930 | dev_desc->type=iobuf[0] & 0x1f; | |
1931 | ||
1932 | if ((iobuf[1]&0x80)==0x80) | |
1933 | dev_desc->removable = 1; | |
1934 | else | |
1935 | dev_desc->removable = 0; | |
1936 | ||
1937 | memset(ccb,0,sizeof(ccb)); | |
1938 | memset(iobuf,0,sizeof(iobuf)); | |
1939 | ccb[0]=ATAPI_CMD_START_STOP; | |
1940 | ccb[4]=0x03; /* start */ | |
1941 | ||
1942 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1943 | ||
1944 | AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c); | |
1945 | if (c!=0) | |
1946 | return; | |
1947 | ||
1948 | memset(ccb,0,sizeof(ccb)); | |
1949 | memset(iobuf,0,sizeof(iobuf)); | |
1950 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1951 | ||
1952 | AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c); | |
1953 | if (c!=0) | |
1954 | return; | |
1955 | ||
1956 | memset(ccb,0,sizeof(ccb)); | |
1957 | memset(iobuf,0,sizeof(iobuf)); | |
1958 | ccb[0]=ATAPI_CMD_READ_CAP; | |
1959 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8); | |
1960 | AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c); | |
1961 | if (c!=0) | |
1962 | return; | |
1963 | ||
1964 | AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", | |
1965 | iobuf[0],iobuf[1],iobuf[2],iobuf[3], | |
1966 | iobuf[4],iobuf[5],iobuf[6],iobuf[7]); | |
1967 | ||
1968 | dev_desc->lba =((unsigned long)iobuf[0]<<24) + | |
1969 | ((unsigned long)iobuf[1]<<16) + | |
1970 | ((unsigned long)iobuf[2]<< 8) + | |
1971 | ((unsigned long)iobuf[3]); | |
1972 | dev_desc->blksz=((unsigned long)iobuf[4]<<24) + | |
1973 | ((unsigned long)iobuf[5]<<16) + | |
1974 | ((unsigned long)iobuf[6]<< 8) + | |
1975 | ((unsigned long)iobuf[7]); | |
42dfe7a1 | 1976 | #ifdef CONFIG_LBA48 |
c40b2956 | 1977 | dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ |
42dfe7a1 | 1978 | #endif |
c609719b WD |
1979 | return; |
1980 | } | |
1981 | ||
1982 | ||
1983 | /* | |
1984 | * atapi_read: | |
1985 | * we transfer only one block per command, since the multiple DRQ per | |
1986 | * command is not yet implemented | |
1987 | */ | |
1988 | #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ | |
1989 | #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ | |
1990 | #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */ | |
1991 | ||
c40b2956 | 1992 | ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer) |
c609719b WD |
1993 | { |
1994 | ulong n = 0; | |
1995 | unsigned char ccb[12]; /* Command descriptor block */ | |
1996 | ulong cnt; | |
1997 | ||
1998 | AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n", | |
1999 | device, blknr, blkcnt, (ulong)buffer); | |
2000 | ||
2001 | do { | |
2002 | if (blkcnt>ATAPI_READ_MAX_BLOCK) { | |
2003 | cnt=ATAPI_READ_MAX_BLOCK; | |
2004 | } else { | |
2005 | cnt=blkcnt; | |
2006 | } | |
2007 | ccb[0]=ATAPI_CMD_READ_12; | |
2008 | ccb[1]=0; /* reserved */ | |
2009 | ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */ | |
2010 | ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */ | |
2011 | ccb[4]=(unsigned char) (blknr>> 8) & 0xFF; | |
2012 | ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */ | |
2013 | ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */ | |
2014 | ccb[7]=(unsigned char) (cnt >>16) & 0xFF; | |
2015 | ccb[8]=(unsigned char) (cnt >> 8) & 0xFF; | |
2016 | ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */ | |
2017 | ccb[10]=0; /* reserved */ | |
2018 | ccb[11]=0; /* reserved */ | |
2019 | ||
2020 | if (atapi_issue_autoreq(device,ccb,12, | |
2021 | (unsigned char *)buffer, | |
2022 | cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) { | |
2023 | return (n); | |
2024 | } | |
2025 | n+=cnt; | |
2026 | blkcnt-=cnt; | |
2027 | blknr+=cnt; | |
2028 | buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */ | |
2029 | } while (blkcnt > 0); | |
2030 | return (n); | |
2031 | } | |
2032 | ||
2033 | /* ------------------------------------------------------------------------- */ | |
2034 | ||
2035 | #endif /* CONFIG_ATAPI */ | |
2036 | ||
0d498393 WD |
2037 | U_BOOT_CMD( |
2038 | ide, 5, 1, do_ide, | |
8bde7f77 WD |
2039 | "ide - IDE sub-system\n", |
2040 | "reset - reset IDE controller\n" | |
2041 | "ide info - show available IDE devices\n" | |
2042 | "ide device [dev] - show or set current device\n" | |
2043 | "ide part [dev] - print partition table of one or all IDE devices\n" | |
2044 | "ide read addr blk# cnt\n" | |
2045 | "ide write addr blk# cnt - read/write `cnt'" | |
2046 | " blocks starting at block `blk#'\n" | |
2047 | " to/from memory address `addr'\n" | |
2048 | ); | |
2049 | ||
0d498393 WD |
2050 | U_BOOT_CMD( |
2051 | diskboot, 3, 1, do_diskboot, | |
8bde7f77 WD |
2052 | "diskboot- boot from IDE device\n", |
2053 | "loadAddr dev:part\n" | |
2054 | ); | |
2055 | ||
c609719b | 2056 | #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */ |