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wdenkc6097192002-11-03 00:24:07 +00001/*
wdenk1a344f22005-02-03 23:00:49 +00002 * (C) Copyright 2000-2005
wdenkc6097192002-11-03 00:24:07 +00003 * 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>
Heiko Schocherf98984c2007-08-28 17:39:14 +020034#include <asm/io.h>
Grant Likely735dd972007-02-20 09:04:34 +010035
wdenkc6097192002-11-03 00:24:07 +000036#if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
37# include <pcmcia.h>
38#endif
Grant Likely735dd972007-02-20 09:04:34 +010039
wdenkc6097192002-11-03 00:24:07 +000040#ifdef CONFIG_8xx
41# include <mpc8xx.h>
42#endif
Grant Likely735dd972007-02-20 09:04:34 +010043
wdenk132ba5f2004-02-27 08:20:54 +000044#ifdef CONFIG_MPC5xxx
45#include <mpc5xxx.h>
46#endif
Grant Likely735dd972007-02-20 09:04:34 +010047
wdenkc6097192002-11-03 00:24:07 +000048#include <ide.h>
49#include <ata.h>
Grant Likely735dd972007-02-20 09:04:34 +010050
wdenkc6097192002-11-03 00:24:07 +000051#ifdef CONFIG_STATUS_LED
52# include <status_led.h>
53#endif
Grant Likely735dd972007-02-20 09:04:34 +010054
Wolfgang Denkd87080b2006-03-31 18:32:53 +020055#ifdef CONFIG_IDE_8xx_DIRECT
56DECLARE_GLOBAL_DATA_PTR;
57#endif
58
wdenk5cf91d62004-04-23 20:32:05 +000059#ifdef __PPC__
60# define EIEIO __asm__ volatile ("eieio")
wdenk1a344f22005-02-03 23:00:49 +000061# define SYNC __asm__ volatile ("sync")
wdenk5cf91d62004-04-23 20:32:05 +000062#else
63# define EIEIO /* nothing */
wdenk1a344f22005-02-03 23:00:49 +000064# define SYNC /* nothing */
wdenkc6097192002-11-03 00:24:07 +000065#endif
66
wdenk15647dc2003-10-09 19:00:25 +000067#ifdef CONFIG_IDE_8xx_DIRECT
wdenkc6097192002-11-03 00:24:07 +000068/* Timings for IDE Interface
69 *
70 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
71 * 70 165 30 PIO-Mode 0, [ns]
72 * 4 9 2 [Cycles]
73 * 50 125 20 PIO-Mode 1, [ns]
74 * 3 7 2 [Cycles]
75 * 30 100 15 PIO-Mode 2, [ns]
76 * 2 6 1 [Cycles]
77 * 30 80 10 PIO-Mode 3, [ns]
78 * 2 5 1 [Cycles]
79 * 25 70 10 PIO-Mode 4, [ns]
80 * 2 4 1 [Cycles]
81 */
82
83const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
84{
85 /* Setup Length Hold */
86 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
87 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
88 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
89 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
90 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
91};
92
93static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
94
95#ifndef CFG_PIO_MODE
96#define CFG_PIO_MODE 0 /* use a relaxed default */
97#endif
98static int pio_mode = CFG_PIO_MODE;
99
100/* Make clock cycles and always round up */
101
102#define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
103
wdenk15647dc2003-10-09 19:00:25 +0000104#endif /* CONFIG_IDE_8xx_DIRECT */
105
wdenkc6097192002-11-03 00:24:07 +0000106/* ------------------------------------------------------------------------- */
107
108/* Current I/O Device */
109static int curr_device = -1;
110
111/* Current offset for IDE0 / IDE1 bus access */
112ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
113#if defined(CFG_ATA_IDE0_OFFSET)
114 CFG_ATA_IDE0_OFFSET,
115#endif
116#if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
117 CFG_ATA_IDE1_OFFSET,
118#endif
119};
120
wdenk15647dc2003-10-09 19:00:25 +0000121
wdenkc7de8292002-11-19 11:04:11 +0000122#ifndef CONFIG_AMIGAONEG3SE
wdenk1a344f22005-02-03 23:00:49 +0000123static int ide_bus_ok[CFG_IDE_MAXBUS];
wdenkc7de8292002-11-19 11:04:11 +0000124#else
wdenk1a344f22005-02-03 23:00:49 +0000125static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
wdenkc7de8292002-11-19 11:04:11 +0000126#endif
wdenkc6097192002-11-03 00:24:07 +0000127
stroesefa838872004-12-16 17:40:30 +0000128block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
wdenkc6097192002-11-03 00:24:07 +0000129/* ------------------------------------------------------------------------- */
130
131#ifdef CONFIG_IDE_LED
wdenke2ffd592004-12-31 09:32:47 +0000132#if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
wdenkc6097192002-11-03 00:24:07 +0000133static void ide_led (uchar led, uchar status);
134#else
wdenk1f53a412002-12-04 23:39:58 +0000135extern void ide_led (uchar led, uchar status);
136#endif
137#else
wdenkc7de8292002-11-19 11:04:11 +0000138#ifndef CONFIG_AMIGAONEG3SE
wdenkc6097192002-11-03 00:24:07 +0000139#define ide_led(a,b) /* dummy */
wdenkc7de8292002-11-19 11:04:11 +0000140#else
141extern void ide_led(uchar led, uchar status);
142#define LED_IDE1 1
143#define LED_IDE2 2
144#define CONFIG_IDE_LED 1
145#define DEVICE_LED(x) 1
146#endif
wdenkc6097192002-11-03 00:24:07 +0000147#endif
148
149#ifdef CONFIG_IDE_RESET
150static void ide_reset (void);
151#else
152#define ide_reset() /* dummy */
153#endif
154
155static void ide_ident (block_dev_desc_t *dev_desc);
156static uchar ide_wait (int dev, ulong t);
157
158#define IDE_TIME_OUT 2000 /* 2 sec timeout */
159
160#define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
161
162#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
163
wdenkc6097192002-11-03 00:24:07 +0000164static void input_data(int dev, ulong *sect_buf, int words);
165static void output_data(int dev, ulong *sect_buf, int words);
166static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
167
Heiko Schocher566a4942007-06-22 19:11:54 +0200168#ifndef CFG_ATA_PORT_ADDR
169#define CFG_ATA_PORT_ADDR(port) (port)
170#endif
wdenkc6097192002-11-03 00:24:07 +0000171
172#ifdef CONFIG_ATAPI
173static void atapi_inquiry(block_dev_desc_t *dev_desc);
Grant Likelyeb867a72007-02-20 09:05:45 +0100174ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
wdenkc6097192002-11-03 00:24:07 +0000175#endif
176
177
178#ifdef CONFIG_IDE_8xx_DIRECT
179static void set_pcmcia_timing (int pmode);
wdenkc6097192002-11-03 00:24:07 +0000180#endif
181
182/* ------------------------------------------------------------------------- */
183
184int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
185{
186 int rcode = 0;
187
188 switch (argc) {
189 case 0:
190 case 1:
191 printf ("Usage:\n%s\n", cmdtp->usage);
192 return 1;
193 case 2:
194 if (strncmp(argv[1],"res",3) == 0) {
195 puts ("\nReset IDE"
196#ifdef CONFIG_IDE_8xx_DIRECT
197 " on PCMCIA " PCMCIA_SLOT_MSG
198#endif
199 ": ");
200
201 ide_init ();
202 return 0;
203 } else if (strncmp(argv[1],"inf",3) == 0) {
204 int i;
205
206 putc ('\n');
207
208 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
209 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
210 continue; /* list only known devices */
211 printf ("IDE device %d: ", i);
212 dev_print(&ide_dev_desc[i]);
213 }
214 return 0;
215
216 } else if (strncmp(argv[1],"dev",3) == 0) {
217 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
218 puts ("\nno IDE devices available\n");
219 return 1;
220 }
221 printf ("\nIDE device %d: ", curr_device);
222 dev_print(&ide_dev_desc[curr_device]);
223 return 0;
224 } else if (strncmp(argv[1],"part",4) == 0) {
225 int dev, ok;
226
227 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
228 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
229 ++ok;
230 if (dev)
231 putc ('\n');
232 print_part(&ide_dev_desc[dev]);
233 }
234 }
235 if (!ok) {
236 puts ("\nno IDE devices available\n");
237 rcode ++;
238 }
239 return rcode;
240 }
241 printf ("Usage:\n%s\n", cmdtp->usage);
242 return 1;
243 case 3:
244 if (strncmp(argv[1],"dev",3) == 0) {
245 int dev = (int)simple_strtoul(argv[2], NULL, 10);
246
247 printf ("\nIDE device %d: ", dev);
248 if (dev >= CFG_IDE_MAXDEVICE) {
249 puts ("unknown device\n");
250 return 1;
251 }
252 dev_print(&ide_dev_desc[dev]);
253 /*ide_print (dev);*/
254
255 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
256 return 1;
257 }
258
259 curr_device = dev;
260
261 puts ("... is now current device\n");
262
263 return 0;
264 } else if (strncmp(argv[1],"part",4) == 0) {
265 int dev = (int)simple_strtoul(argv[2], NULL, 10);
266
267 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
268 print_part(&ide_dev_desc[dev]);
269 } else {
270 printf ("\nIDE device %d not available\n", dev);
271 rcode = 1;
272 }
273 return rcode;
274#if 0
275 } else if (strncmp(argv[1],"pio",4) == 0) {
276 int mode = (int)simple_strtoul(argv[2], NULL, 10);
277
278 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
279 puts ("\nSetting ");
280 pio_mode = mode;
281 ide_init ();
282 } else {
283 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
284 mode, IDE_MAX_PIO_MODE);
285 }
286 return;
287#endif
288 }
289
290 printf ("Usage:\n%s\n", cmdtp->usage);
291 return 1;
292 default:
293 /* at least 4 args */
294
295 if (strcmp(argv[1],"read") == 0) {
296 ulong addr = simple_strtoul(argv[2], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000297 ulong cnt = simple_strtoul(argv[4], NULL, 16);
298 ulong n;
Stefan Roesef2302d42008-08-06 14:05:38 +0200299#ifdef CFG_64BIT_LBA
wdenk42dfe7a2004-03-14 22:25:36 +0000300 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000301
wdenkc40b2952004-03-13 23:29:43 +0000302 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
wdenkc6097192002-11-03 00:24:07 +0000303 curr_device, blk, cnt);
wdenk42dfe7a2004-03-14 22:25:36 +0000304#else
305 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
306
307 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
308 curr_device, blk, cnt);
309#endif
wdenkc6097192002-11-03 00:24:07 +0000310
311 n = ide_dev_desc[curr_device].block_read (curr_device,
312 blk, cnt,
313 (ulong *)addr);
314 /* flush cache after read */
315 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
316
317 printf ("%ld blocks read: %s\n",
318 n, (n==cnt) ? "OK" : "ERROR");
319 if (n==cnt) {
320 return 0;
321 } else {
322 return 1;
323 }
324 } else if (strcmp(argv[1],"write") == 0) {
325 ulong addr = simple_strtoul(argv[2], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000326 ulong cnt = simple_strtoul(argv[4], NULL, 16);
327 ulong n;
Stefan Roesef2302d42008-08-06 14:05:38 +0200328#ifdef CFG_64BIT_LBA
wdenk42dfe7a2004-03-14 22:25:36 +0000329 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000330
wdenkc40b2952004-03-13 23:29:43 +0000331 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
wdenkc6097192002-11-03 00:24:07 +0000332 curr_device, blk, cnt);
wdenk42dfe7a2004-03-14 22:25:36 +0000333#else
334 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
335
336 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
337 curr_device, blk, cnt);
338#endif
wdenkc6097192002-11-03 00:24:07 +0000339
340 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
341
342 printf ("%ld blocks written: %s\n",
343 n, (n==cnt) ? "OK" : "ERROR");
344 if (n==cnt) {
345 return 0;
346 } else {
347 return 1;
348 }
349 } else {
350 printf ("Usage:\n%s\n", cmdtp->usage);
351 rcode = 1;
352 }
353
354 return rcode;
355 }
356}
357
358int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
359{
360 char *boot_device = NULL;
361 char *ep;
362 int dev, part = 0;
Marian Balakowiczb97a2a02008-01-08 18:14:09 +0100363 ulong addr, cnt;
wdenkc6097192002-11-03 00:24:07 +0000364 disk_partition_t info;
365 image_header_t *hdr;
366 int rcode = 0;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100367#if defined(CONFIG_FIT)
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200368 const void *fit_hdr = NULL;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100369#endif
wdenkc6097192002-11-03 00:24:07 +0000370
Heiko Schocherfad63402007-07-13 09:54:17 +0200371 show_boot_progress (41);
wdenkc6097192002-11-03 00:24:07 +0000372 switch (argc) {
373 case 1:
374 addr = CFG_LOAD_ADDR;
375 boot_device = getenv ("bootdevice");
376 break;
377 case 2:
378 addr = simple_strtoul(argv[1], NULL, 16);
379 boot_device = getenv ("bootdevice");
380 break;
381 case 3:
382 addr = simple_strtoul(argv[1], NULL, 16);
383 boot_device = argv[2];
384 break;
385 default:
386 printf ("Usage:\n%s\n", cmdtp->usage);
Heiko Schocherfad63402007-07-13 09:54:17 +0200387 show_boot_progress (-42);
wdenkc6097192002-11-03 00:24:07 +0000388 return 1;
389 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200390 show_boot_progress (42);
wdenkc6097192002-11-03 00:24:07 +0000391
392 if (!boot_device) {
393 puts ("\n** No boot device **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200394 show_boot_progress (-43);
wdenkc6097192002-11-03 00:24:07 +0000395 return 1;
396 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200397 show_boot_progress (43);
wdenkc6097192002-11-03 00:24:07 +0000398
399 dev = simple_strtoul(boot_device, &ep, 16);
400
401 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
402 printf ("\n** Device %d not available\n", dev);
Heiko Schocherfad63402007-07-13 09:54:17 +0200403 show_boot_progress (-44);
wdenkc6097192002-11-03 00:24:07 +0000404 return 1;
405 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200406 show_boot_progress (44);
wdenkc6097192002-11-03 00:24:07 +0000407
408 if (*ep) {
409 if (*ep != ':') {
410 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200411 show_boot_progress (-45);
wdenkc6097192002-11-03 00:24:07 +0000412 return 1;
413 }
414 part = simple_strtoul(++ep, NULL, 16);
415 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200416 show_boot_progress (45);
Denis Peter78827512007-04-13 09:13:33 +0200417 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
Heiko Schocherfad63402007-07-13 09:54:17 +0200418 show_boot_progress (-46);
wdenkc6097192002-11-03 00:24:07 +0000419 return 1;
420 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200421 show_boot_progress (46);
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200422 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
423 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
wdenkc6097192002-11-03 00:24:07 +0000424 printf ("\n** Invalid partition type \"%.32s\""
425 " (expect \"" BOOT_PART_TYPE "\")\n",
426 info.type);
Heiko Schocherfad63402007-07-13 09:54:17 +0200427 show_boot_progress (-47);
wdenkc6097192002-11-03 00:24:07 +0000428 return 1;
429 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200430 show_boot_progress (47);
wdenkc6097192002-11-03 00:24:07 +0000431
432 printf ("\nLoading from IDE device %d, partition %d: "
433 "Name: %.32s Type: %.32s\n",
434 dev, part, info.name, info.type);
435
wdenk1a344f22005-02-03 23:00:49 +0000436 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
wdenkc6097192002-11-03 00:24:07 +0000437 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);
Heiko Schocherfad63402007-07-13 09:54:17 +0200441 show_boot_progress (-48);
wdenkc6097192002-11-03 00:24:07 +0000442 return 1;
443 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200444 show_boot_progress (48);
wdenkc6097192002-11-03 00:24:07 +0000445
Marian Balakowicz9a4daad2008-02-29 14:58:34 +0100446 switch (genimg_get_format ((void *)addr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100447 case IMAGE_FORMAT_LEGACY:
448 hdr = (image_header_t *)addr;
wdenkc6097192002-11-03 00:24:07 +0000449
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100450 show_boot_progress (49);
451
452 if (!image_check_hcrc (hdr)) {
453 puts ("\n** Bad Header Checksum **\n");
454 show_boot_progress (-50);
455 return 1;
456 }
457 show_boot_progress (50);
458
459 image_print_contents (hdr);
460
461 cnt = image_get_image_size (hdr);
462 break;
463#if defined(CONFIG_FIT)
464 case IMAGE_FORMAT_FIT:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100465 fit_hdr = (const void *)addr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100466 puts ("Fit image detected...\n");
467
468 cnt = fit_get_size (fit_hdr);
469 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100470#endif
471 default:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100472 show_boot_progress (-49);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100473 puts ("** Unknown image type\n");
wdenkc6097192002-11-03 00:24:07 +0000474 return 1;
475 }
476
wdenk1a344f22005-02-03 23:00:49 +0000477 cnt += info.blksz - 1;
478 cnt /= info.blksz;
479 cnt -= 1;
480
wdenkc6097192002-11-03 00:24:07 +0000481 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
482 (ulong *)(addr+info.blksz)) != cnt) {
483 printf ("** Read error on %d:%d\n", dev, part);
Heiko Schocherfad63402007-07-13 09:54:17 +0200484 show_boot_progress (-51);
wdenkc6097192002-11-03 00:24:07 +0000485 return 1;
486 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200487 show_boot_progress (51);
wdenkc6097192002-11-03 00:24:07 +0000488
Marian Balakowicz09475f72008-03-12 10:33:01 +0100489#if defined(CONFIG_FIT)
490 /* This cannot be done earlier, we need complete FIT image in RAM first */
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200491 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
492 if (!fit_check_format (fit_hdr)) {
493 show_boot_progress (-140);
494 puts ("** Bad FIT image format\n");
495 return 1;
496 }
497 show_boot_progress (141);
498 fit_print_contents (fit_hdr);
499 }
Marian Balakowicz09475f72008-03-12 10:33:01 +0100500#endif
wdenkc6097192002-11-03 00:24:07 +0000501
502 /* Loading ok, update default load address */
503
504 load_addr = addr;
505
506 /* Check if we should attempt an auto-start */
507 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
508 char *local_args[2];
509 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
510
511 local_args[0] = argv[0];
512 local_args[1] = NULL;
513
514 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
515
516 do_bootm (cmdtp, 0, 1, local_args);
517 rcode = 1;
518 }
519 return rcode;
520}
521
522/* ------------------------------------------------------------------------- */
523
Stefan Roesef2302d42008-08-06 14:05:38 +0200524void inline
525__ide_outb(int dev, int port, unsigned char val)
526{
527 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
528 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
529 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
530}
531void inline ide_outb (int dev, int port, unsigned char val)
532 __attribute__((weak, alias("__ide_outb")));
533
534unsigned char inline
535__ide_inb(int dev, int port)
536{
537 uchar val;
538 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
539 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
540 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
541 return val;
542}
543unsigned char inline ide_inb(int dev, int port)
544 __attribute__((weak, alias("__ide_inb")));
545
Steven A. Falco36c2d302008-08-15 15:34:10 -0400546#ifdef CONFIG_TUNE_PIO
547int inline
548__ide_set_piomode(int pio_mode)
549{
550 return 0;
551}
552int inline ide_set_piomode(int pio_mode)
553 __attribute__((weak, alias("__ide_set_piomode")));
554#endif
555
wdenkc6097192002-11-03 00:24:07 +0000556void ide_init (void)
557{
wdenkc6097192002-11-03 00:24:07 +0000558
559#ifdef CONFIG_IDE_8xx_DIRECT
560 volatile immap_t *immr = (immap_t *)CFG_IMMR;
561 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
562#endif
563 unsigned char c;
564 int i, bus;
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200565#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
Wolfgang Denk9045f332007-06-08 10:24:58 +0200566 unsigned int ata_reset_time = ATA_RESET_TIME;
567 char *s;
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200568#endif
wdenkc7de8292002-11-19 11:04:11 +0000569#ifdef CONFIG_AMIGAONEG3SE
570 unsigned int max_bus_scan;
wdenkc7de8292002-11-19 11:04:11 +0000571#endif
wdenk9fd5e312003-12-07 23:55:12 +0000572#ifdef CONFIG_IDE_8xx_PCCARD
573 extern int pcmcia_on (void);
574 extern int ide_devices_found; /* Initialized in check_ide_device() */
575#endif /* CONFIG_IDE_8xx_PCCARD */
576
577#ifdef CONFIG_IDE_PREINIT
wdenk4d13cba2004-03-14 14:09:05 +0000578 extern int ide_preinit (void);
wdenk9fd5e312003-12-07 23:55:12 +0000579 WATCHDOG_RESET();
580
581 if (ide_preinit ()) {
582 puts ("ide_preinit failed\n");
583 return;
584 }
585#endif /* CONFIG_IDE_PREINIT */
wdenkc6097192002-11-03 00:24:07 +0000586
587#ifdef CONFIG_IDE_8xx_PCCARD
588 extern int pcmcia_on (void);
wdenk6069ff22003-02-28 00:49:47 +0000589 extern int ide_devices_found; /* Initialized in check_ide_device() */
wdenkc6097192002-11-03 00:24:07 +0000590
591 WATCHDOG_RESET();
592
wdenk6069ff22003-02-28 00:49:47 +0000593 ide_devices_found = 0;
wdenkc6097192002-11-03 00:24:07 +0000594 /* initialize the PCMCIA IDE adapter card */
wdenk6069ff22003-02-28 00:49:47 +0000595 pcmcia_on();
596 if (!ide_devices_found)
wdenkc6097192002-11-03 00:24:07 +0000597 return;
598 udelay (1000000); /* 1 s */
599#endif /* CONFIG_IDE_8xx_PCCARD */
600
601 WATCHDOG_RESET();
602
wdenk15647dc2003-10-09 19:00:25 +0000603#ifdef CONFIG_IDE_8xx_DIRECT
wdenkc6097192002-11-03 00:24:07 +0000604 /* Initialize PIO timing tables */
605 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
wdenk1a344f22005-02-03 23:00:49 +0000606 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
607 gd->bus_clk);
608 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
609 gd->bus_clk);
610 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
611 gd->bus_clk);
612 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
613 " len=%3d ns/%d clk"
614 " hold=%2d ns/%d clk\n",
615 i,
616 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
617 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
618 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
wdenkc6097192002-11-03 00:24:07 +0000619 }
wdenk15647dc2003-10-09 19:00:25 +0000620#endif /* CONFIG_IDE_8xx_DIRECT */
wdenkc6097192002-11-03 00:24:07 +0000621
622 /* Reset the IDE just to be sure.
623 * Light LED's to show
624 */
625 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
626 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
627
628#ifdef CONFIG_IDE_8xx_DIRECT
629 /* PCMCIA / IDE initialization for common mem space */
630 pcmp->pcmc_pgcrb = 0;
wdenkc6097192002-11-03 00:24:07 +0000631
632 /* start in PIO mode 0 - most relaxed timings */
633 pio_mode = 0;
634 set_pcmcia_timing (pio_mode);
wdenk15647dc2003-10-09 19:00:25 +0000635#endif /* CONFIG_IDE_8xx_DIRECT */
wdenkc6097192002-11-03 00:24:07 +0000636
637 /*
638 * Wait for IDE to get ready.
639 * According to spec, this can take up to 31 seconds!
640 */
wdenkc7de8292002-11-19 11:04:11 +0000641#ifndef CONFIG_AMIGAONEG3SE
wdenkc6097192002-11-03 00:24:07 +0000642 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
643 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
wdenkc7de8292002-11-19 11:04:11 +0000644#else
645 s = getenv("ide_maxbus");
646 if (s)
wdenk1a344f22005-02-03 23:00:49 +0000647 max_bus_scan = simple_strtol(s, NULL, 10);
wdenkc7de8292002-11-19 11:04:11 +0000648 else
wdenk1a344f22005-02-03 23:00:49 +0000649 max_bus_scan = CFG_IDE_MAXBUS;
wdenkc7de8292002-11-19 11:04:11 +0000650
651 for (bus=0; bus<max_bus_scan; ++bus) {
652 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
653#endif
wdenkc6097192002-11-03 00:24:07 +0000654
wdenk6069ff22003-02-28 00:49:47 +0000655#ifdef CONFIG_IDE_8xx_PCCARD
656 /* Skip non-ide devices from probing */
657 if ((ide_devices_found & (1 << bus)) == 0) {
658 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
659 continue;
660 }
661#endif
wdenkc6097192002-11-03 00:24:07 +0000662 printf ("Bus %d: ", bus);
663
664 ide_bus_ok[bus] = 0;
665
666 /* Select device
667 */
668 udelay (100000); /* 100 ms */
wdenk2262cfe2002-11-18 00:14:45 +0000669 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
wdenkc6097192002-11-03 00:24:07 +0000670 udelay (100000); /* 100 ms */
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200671#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
672 if ((s = getenv("ide_reset_timeout")) != NULL)
673 ata_reset_time = simple_strtol(s, NULL, 10);
wdenkc7de8292002-11-19 11:04:11 +0000674#endif
wdenkc6097192002-11-03 00:24:07 +0000675 i = 0;
676 do {
677 udelay (10000); /* 10 ms */
678
wdenk2262cfe2002-11-18 00:14:45 +0000679 c = ide_inb (dev, ATA_STATUS);
wdenkc6097192002-11-03 00:24:07 +0000680 i++;
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200681#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
wdenkc7de8292002-11-19 11:04:11 +0000682 if (i > (ata_reset_time * 100)) {
683#else
wdenkc6097192002-11-03 00:24:07 +0000684 if (i > (ATA_RESET_TIME * 100)) {
wdenkc7de8292002-11-19 11:04:11 +0000685#endif
wdenkc6097192002-11-03 00:24:07 +0000686 puts ("** Timeout **\n");
687 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
wdenkc7de8292002-11-19 11:04:11 +0000688#ifdef CONFIG_AMIGAONEG3SE
689 /* If this is the second bus, the first one was OK */
wdenkc40b2952004-03-13 23:29:43 +0000690 if (bus != 0) {
wdenk1a344f22005-02-03 23:00:49 +0000691 ide_bus_ok[bus] = 0;
692 goto skip_bus;
wdenkc7de8292002-11-19 11:04:11 +0000693 }
694#endif
wdenkc6097192002-11-03 00:24:07 +0000695 return;
696 }
697 if ((i >= 100) && ((i%100)==0)) {
698 putc ('.');
699 }
700 } while (c & ATA_STAT_BUSY);
701
702 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
703 puts ("not available ");
wdenk1a344f22005-02-03 23:00:49 +0000704 debug ("Status = 0x%02X ", c);
wdenkc6097192002-11-03 00:24:07 +0000705#ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
706 } else if ((c & ATA_STAT_READY) == 0) {
707 puts ("not available ");
wdenk1a344f22005-02-03 23:00:49 +0000708 debug ("Status = 0x%02X ", c);
wdenkc6097192002-11-03 00:24:07 +0000709#endif
710 } else {
711 puts ("OK ");
712 ide_bus_ok[bus] = 1;
713 }
714 WATCHDOG_RESET();
715 }
wdenkc7de8292002-11-19 11:04:11 +0000716
717#ifdef CONFIG_AMIGAONEG3SE
718 skip_bus:
719#endif
wdenkc6097192002-11-03 00:24:07 +0000720 putc ('\n');
721
722 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
723
724 curr_device = -1;
725 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
726#ifdef CONFIG_IDE_LED
727 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
728#endif
wdenk5cf9da42003-11-07 13:42:26 +0000729 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
wdenkc6097192002-11-03 00:24:07 +0000730 ide_dev_desc[i].if_type=IF_TYPE_IDE;
731 ide_dev_desc[i].dev=i;
732 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
733 ide_dev_desc[i].blksz=0;
734 ide_dev_desc[i].lba=0;
735 ide_dev_desc[i].block_read=ide_read;
736 if (!ide_bus_ok[IDE_BUS(i)])
737 continue;
738 ide_led (led, 1); /* LED on */
739 ide_ident(&ide_dev_desc[i]);
740 ide_led (led, 0); /* LED off */
741 dev_print(&ide_dev_desc[i]);
742/* ide_print (i); */
743 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
744 init_part (&ide_dev_desc[i]); /* initialize partition type */
745 if (curr_device < 0)
746 curr_device = i;
747 }
748 }
749 WATCHDOG_RESET();
750}
751
752/* ------------------------------------------------------------------------- */
753
754block_dev_desc_t * ide_get_dev(int dev)
755{
Grant Likely735dd972007-02-20 09:04:34 +0100756 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
wdenkc6097192002-11-03 00:24:07 +0000757}
758
759
760#ifdef CONFIG_IDE_8xx_DIRECT
761
762static void
763set_pcmcia_timing (int pmode)
764{
765 volatile immap_t *immr = (immap_t *)CFG_IMMR;
766 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
767 ulong timings;
768
wdenk1a344f22005-02-03 23:00:49 +0000769 debug ("Set timing for PIO Mode %d\n", pmode);
wdenkc6097192002-11-03 00:24:07 +0000770
771 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
772 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
773 | PCMCIA_SL (pio_config_clk[pmode].t_length)
774 ;
775
776 /* IDE 0
777 */
778 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
779 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
780#if (CFG_PCMCIA_POR0 != 0)
781 | timings
782#endif
783 ;
wdenk1a344f22005-02-03 23:00:49 +0000784 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
wdenkc6097192002-11-03 00:24:07 +0000785
786 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
787 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
788#if (CFG_PCMCIA_POR1 != 0)
789 | timings
790#endif
791 ;
wdenk1a344f22005-02-03 23:00:49 +0000792 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
wdenkc6097192002-11-03 00:24:07 +0000793
794 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
795 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
796#if (CFG_PCMCIA_POR2 != 0)
797 | timings
798#endif
799 ;
wdenk1a344f22005-02-03 23:00:49 +0000800 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
wdenkc6097192002-11-03 00:24:07 +0000801
802 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
803 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
804#if (CFG_PCMCIA_POR3 != 0)
805 | timings
806#endif
807 ;
wdenk1a344f22005-02-03 23:00:49 +0000808 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
wdenkc6097192002-11-03 00:24:07 +0000809
810 /* IDE 1
811 */
812 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
813 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
814#if (CFG_PCMCIA_POR4 != 0)
815 | timings
816#endif
817 ;
wdenk1a344f22005-02-03 23:00:49 +0000818 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
wdenkc6097192002-11-03 00:24:07 +0000819
820 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
821 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
822#if (CFG_PCMCIA_POR5 != 0)
823 | timings
824#endif
825 ;
wdenk1a344f22005-02-03 23:00:49 +0000826 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
wdenkc6097192002-11-03 00:24:07 +0000827
828 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
829 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
830#if (CFG_PCMCIA_POR6 != 0)
831 | timings
832#endif
833 ;
wdenk1a344f22005-02-03 23:00:49 +0000834 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
wdenkc6097192002-11-03 00:24:07 +0000835
836 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
837 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
838#if (CFG_PCMCIA_POR7 != 0)
839 | timings
840#endif
841 ;
wdenk1a344f22005-02-03 23:00:49 +0000842 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
wdenkc6097192002-11-03 00:24:07 +0000843
844}
845
846#endif /* CONFIG_IDE_8xx_DIRECT */
847
848/* ------------------------------------------------------------------------- */
849
wdenk2262cfe2002-11-18 00:14:45 +0000850#ifdef __PPC__
wdenkcceb8712003-06-23 18:12:28 +0000851# ifdef CONFIG_AMIGAONEG3SE
wdenkc7de8292002-11-19 11:04:11 +0000852static void
853output_data_short(int dev, ulong *sect_buf, int words)
854{
855 ushort *dbuf;
856 volatile ushort *pbuf;
wdenk8bde7f72003-06-27 21:31:46 +0000857
wdenkc7de8292002-11-19 11:04:11 +0000858 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
859 dbuf = (ushort *)sect_buf;
860 while (words--) {
wdenk5cf91d62004-04-23 20:32:05 +0000861 EIEIO;
wdenkc7de8292002-11-19 11:04:11 +0000862 *pbuf = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000863 EIEIO;
wdenkc7de8292002-11-19 11:04:11 +0000864 }
865
866 if (words&1)
wdenk1a344f22005-02-03 23:00:49 +0000867 *pbuf = 0;
wdenkc7de8292002-11-19 11:04:11 +0000868}
wdenkcceb8712003-06-23 18:12:28 +0000869# endif /* CONFIG_AMIGAONEG3SE */
wdenk5da627a2003-10-09 20:09:04 +0000870#endif /* __PPC_ */
wdenkc7de8292002-11-19 11:04:11 +0000871
wdenk5da627a2003-10-09 20:09:04 +0000872/* We only need to swap data if we are running on a big endian cpu. */
873/* But Au1x00 cpu:s already swaps data in big endian mode! */
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200874#if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
wdenk5da627a2003-10-09 20:09:04 +0000875#define input_swap_data(x,y,z) input_data(x,y,z)
876#else
wdenkc6097192002-11-03 00:24:07 +0000877static void
878input_swap_data(int dev, ulong *sect_buf, int words)
879{
wdenk1a344f22005-02-03 23:00:49 +0000880#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000881 uchar i;
882 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
883 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
884 ushort *dbuf = (ushort *)sect_buf;
885
886 while (words--) {
887 for (i=0; i<2; i++) {
888 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
889 *(uchar *)dbuf = *pbuf_odd;
890 dbuf+=1;
891 }
892 }
wdenkf4733a02005-03-06 01:21:30 +0000893#else
wdenk1a344f22005-02-03 23:00:49 +0000894 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
895 ushort *dbuf = (ushort *)sect_buf;
896
897 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
898
899 while (words--) {
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200900#ifdef __MIPS__
901 *dbuf++ = swab16p((u16*)pbuf);
902 *dbuf++ = swab16p((u16*)pbuf);
Heiko Schocher566a4942007-06-22 19:11:54 +0200903#elif defined(CONFIG_PCS440EP)
904 *dbuf++ = *pbuf;
905 *dbuf++ = *pbuf;
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200906#else
wdenk1a344f22005-02-03 23:00:49 +0000907 *dbuf++ = ld_le16(pbuf);
908 *dbuf++ = ld_le16(pbuf);
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200909#endif /* !MIPS */
wdenk1a344f22005-02-03 23:00:49 +0000910 }
911#endif
wdenkc6097192002-11-03 00:24:07 +0000912}
wdenk5da627a2003-10-09 20:09:04 +0000913#endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
wdenkc6097192002-11-03 00:24:07 +0000914
wdenk2262cfe2002-11-18 00:14:45 +0000915
Nobuhiro Iwamatsueda3e1e2007-09-23 02:42:38 +0900916#if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
wdenkc6097192002-11-03 00:24:07 +0000917static void
918output_data(int dev, ulong *sect_buf, int words)
919{
wdenk1a344f22005-02-03 23:00:49 +0000920#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000921 uchar *dbuf;
922 volatile uchar *pbuf_even;
923 volatile uchar *pbuf_odd;
924
925 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
926 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
927 dbuf = (uchar *)sect_buf;
928 while (words--) {
wdenk5cf91d62004-04-23 20:32:05 +0000929 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000930 *pbuf_even = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000931 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000932 *pbuf_odd = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000933 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000934 *pbuf_even = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000935 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000936 *pbuf_odd = *dbuf++;
937 }
wdenk1a344f22005-02-03 23:00:49 +0000938#else
939 ushort *dbuf;
940 volatile ushort *pbuf;
941
942 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
943 dbuf = (ushort *)sect_buf;
944 while (words--) {
Heiko Schocher566a4942007-06-22 19:11:54 +0200945#if defined(CONFIG_PCS440EP)
946 /* not tested, because CF was write protected */
947 EIEIO;
948 *pbuf = ld_le16(dbuf++);
949 EIEIO;
950 *pbuf = ld_le16(dbuf++);
951#else
wdenk1a344f22005-02-03 23:00:49 +0000952 EIEIO;
953 *pbuf = *dbuf++;
954 EIEIO;
955 *pbuf = *dbuf++;
Heiko Schocher566a4942007-06-22 19:11:54 +0200956#endif
wdenk1a344f22005-02-03 23:00:49 +0000957 }
958#endif
wdenkc6097192002-11-03 00:24:07 +0000959}
wdenk2262cfe2002-11-18 00:14:45 +0000960#else /* ! __PPC__ */
961static void
962output_data(int dev, ulong *sect_buf, int words)
963{
wdenk15647dc2003-10-09 19:00:25 +0000964 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
wdenk2262cfe2002-11-18 00:14:45 +0000965}
966#endif /* __PPC__ */
wdenkc6097192002-11-03 00:24:07 +0000967
Nobuhiro Iwamatsueda3e1e2007-09-23 02:42:38 +0900968#if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
wdenkc6097192002-11-03 00:24:07 +0000969static void
970input_data(int dev, ulong *sect_buf, int words)
971{
wdenk1a344f22005-02-03 23:00:49 +0000972#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000973 uchar *dbuf;
974 volatile uchar *pbuf_even;
975 volatile uchar *pbuf_odd;
976
977 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
978 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
979 dbuf = (uchar *)sect_buf;
980 while (words--) {
wdenka522fa02004-01-04 22:51:12 +0000981 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +0000982 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000983 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000984 *dbuf++ = *pbuf_odd;
wdenk5cf91d62004-04-23 20:32:05 +0000985 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000986 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000987 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +0000988 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000989 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000990 *dbuf++ = *pbuf_odd;
wdenk1a344f22005-02-03 23:00:49 +0000991 EIEIO;
992 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000993 }
wdenk1a344f22005-02-03 23:00:49 +0000994#else
995 ushort *dbuf;
996 volatile ushort *pbuf;
997
998 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
999 dbuf = (ushort *)sect_buf;
1000
1001 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
1002
1003 while (words--) {
Heiko Schocher566a4942007-06-22 19:11:54 +02001004#if defined(CONFIG_PCS440EP)
1005 EIEIO;
1006 *dbuf++ = ld_le16(pbuf);
1007 EIEIO;
1008 *dbuf++ = ld_le16(pbuf);
1009#else
wdenk1a344f22005-02-03 23:00:49 +00001010 EIEIO;
1011 *dbuf++ = *pbuf;
1012 EIEIO;
1013 *dbuf++ = *pbuf;
Heiko Schocher566a4942007-06-22 19:11:54 +02001014#endif
wdenk1a344f22005-02-03 23:00:49 +00001015 }
1016#endif
wdenkc6097192002-11-03 00:24:07 +00001017}
wdenk2262cfe2002-11-18 00:14:45 +00001018#else /* ! __PPC__ */
1019static void
1020input_data(int dev, ulong *sect_buf, int words)
1021{
wdenk15647dc2003-10-09 19:00:25 +00001022 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
wdenk2262cfe2002-11-18 00:14:45 +00001023}
1024
1025#endif /* __PPC__ */
wdenkc6097192002-11-03 00:24:07 +00001026
wdenkc7de8292002-11-19 11:04:11 +00001027#ifdef CONFIG_AMIGAONEG3SE
1028static void
1029input_data_short(int dev, ulong *sect_buf, int words)
1030{
1031 ushort *dbuf;
1032 volatile ushort *pbuf;
1033
1034 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1035 dbuf = (ushort *)sect_buf;
1036 while (words--) {
wdenk5cf91d62004-04-23 20:32:05 +00001037 EIEIO;
wdenkc7de8292002-11-19 11:04:11 +00001038 *dbuf++ = *pbuf;
wdenk5cf91d62004-04-23 20:32:05 +00001039 EIEIO;
wdenkc7de8292002-11-19 11:04:11 +00001040 }
1041
wdenkc40b2952004-03-13 23:29:43 +00001042 if (words&1) {
wdenk1a344f22005-02-03 23:00:49 +00001043 ushort dummy;
1044 dummy = *pbuf;
wdenkc7de8292002-11-19 11:04:11 +00001045 }
1046}
1047#endif
1048
wdenkc6097192002-11-03 00:24:07 +00001049/* -------------------------------------------------------------------------
1050 */
1051static void ide_ident (block_dev_desc_t *dev_desc)
1052{
1053 ulong iobuf[ATA_SECTORWORDS];
1054 unsigned char c;
1055 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1056
wdenkc7de8292002-11-19 11:04:11 +00001057#ifdef CONFIG_AMIGAONEG3SE
1058 int max_bus_scan;
wdenkc7de8292002-11-19 11:04:11 +00001059 char *s;
wdenk64f70be2004-09-28 20:34:50 +00001060#endif
1061#ifdef CONFIG_ATAPI
1062 int retries = 0;
wdenkc7de8292002-11-19 11:04:11 +00001063 int do_retry = 0;
1064#endif
1065
Steven A. Falco36c2d302008-08-15 15:34:10 -04001066#ifdef CONFIG_TUNE_PIO
1067 int pio_mode;
1068#endif
1069
wdenkc6097192002-11-03 00:24:07 +00001070#if 0
1071 int mode, cycle_time;
1072#endif
1073 int device;
1074 device=dev_desc->dev;
1075 printf (" Device %d: ", device);
1076
wdenkc7de8292002-11-19 11:04:11 +00001077#ifdef CONFIG_AMIGAONEG3SE
1078 s = getenv("ide_maxbus");
1079 if (s) {
1080 max_bus_scan = simple_strtol(s, NULL, 10);
1081 } else {
1082 max_bus_scan = CFG_IDE_MAXBUS;
1083 }
1084 if (device >= max_bus_scan*2) {
1085 dev_desc->type=DEV_TYPE_UNKNOWN;
1086 return;
1087 }
1088#endif
1089
wdenkc6097192002-11-03 00:24:07 +00001090 ide_led (DEVICE_LED(device), 1); /* LED on */
1091 /* Select device
1092 */
wdenk2262cfe2002-11-18 00:14:45 +00001093 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001094 dev_desc->if_type=IF_TYPE_IDE;
1095#ifdef CONFIG_ATAPI
wdenkc7de8292002-11-19 11:04:11 +00001096
wdenkc7de8292002-11-19 11:04:11 +00001097 do_retry = 0;
1098 retries = 0;
1099
1100 /* Warning: This will be tricky to read */
wdenkc40b2952004-03-13 23:29:43 +00001101 while (retries <= 1) {
wdenkc6097192002-11-03 00:24:07 +00001102 /* check signature */
wdenk2262cfe2002-11-18 00:14:45 +00001103 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1104 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1105 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1106 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
wdenkc6097192002-11-03 00:24:07 +00001107 /* ATAPI Signature found */
1108 dev_desc->if_type=IF_TYPE_ATAPI;
1109 /* Start Ident Command
1110 */
wdenk2262cfe2002-11-18 00:14:45 +00001111 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
wdenkc6097192002-11-03 00:24:07 +00001112 /*
1113 * Wait for completion - ATAPI devices need more time
1114 * to become ready
1115 */
1116 c = ide_wait (device, ATAPI_TIME_OUT);
wdenkc40b2952004-03-13 23:29:43 +00001117 } else
wdenkc6097192002-11-03 00:24:07 +00001118#endif
1119 {
1120 /* Start Ident Command
1121 */
wdenk2262cfe2002-11-18 00:14:45 +00001122 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
wdenkc6097192002-11-03 00:24:07 +00001123
1124 /* Wait for completion
1125 */
1126 c = ide_wait (device, IDE_TIME_OUT);
1127 }
1128 ide_led (DEVICE_LED(device), 0); /* LED off */
1129
1130 if (((c & ATA_STAT_DRQ) == 0) ||
1131 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
wdenk64f70be2004-09-28 20:34:50 +00001132#ifdef CONFIG_ATAPI
wdenkc7de8292002-11-19 11:04:11 +00001133#ifdef CONFIG_AMIGAONEG3SE
wdenk64f70be2004-09-28 20:34:50 +00001134 s = getenv("ide_doreset");
1135 if (s && strcmp(s, "on") == 0)
1136#endif
wdenk1a344f22005-02-03 23:00:49 +00001137 {
1138 /* Need to soft reset the device in case it's an ATAPI... */
1139 debug ("Retrying...\n");
1140 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1141 udelay(100000);
1142 ide_outb (device, ATA_COMMAND, 0x08);
1143 udelay (500000); /* 500 ms */
1144 }
wdenk64f70be2004-09-28 20:34:50 +00001145 /* Select device
1146 */
1147 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1148 retries++;
wdenkc7de8292002-11-19 11:04:11 +00001149#else
wdenkc6097192002-11-03 00:24:07 +00001150 return;
wdenk64f70be2004-09-28 20:34:50 +00001151#endif
wdenkc6097192002-11-03 00:24:07 +00001152 }
wdenk64f70be2004-09-28 20:34:50 +00001153#ifdef CONFIG_ATAPI
1154 else
1155 break;
wdenkc7de8292002-11-19 11:04:11 +00001156 } /* see above - ugly to read */
wdenk64f70be2004-09-28 20:34:50 +00001157
1158 if (retries == 2) /* Not found */
1159 return;
1160#endif
wdenkc7de8292002-11-19 11:04:11 +00001161
wdenkc6097192002-11-03 00:24:07 +00001162 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1163
Jean-Christophe PLAGNIOL-VILLARD7a60ee72007-11-07 08:19:19 +01001164 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1165 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1166 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
wdenkc3f9d492004-03-14 00:59:59 +00001167#ifdef __LITTLE_ENDIAN
1168 /*
1169 * firmware revision and model number have Big Endian Byte
1170 * order in Word. Convert both to little endian.
1171 *
1172 * See CF+ and CompactFlash Specification Revision 2.0:
1173 * 6.2.1.6: Identfy Drive, Table 39 for more details
1174 */
1175
1176 strswab (dev_desc->revision);
1177 strswab (dev_desc->vendor);
1178#endif /* __LITTLE_ENDIAN */
wdenkc6097192002-11-03 00:24:07 +00001179
1180 if ((iop->config & 0x0080)==0x0080)
1181 dev_desc->removable = 1;
1182 else
1183 dev_desc->removable = 0;
1184
Steven A. Falco36c2d302008-08-15 15:34:10 -04001185#ifdef CONFIG_TUNE_PIO
1186 /* Mode 0 - 2 only, are directly determined by word 51. */
1187 pio_mode = iop->tPIO;
1188 if (pio_mode > 2) {
1189 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode);
1190 pio_mode = 0; /* Force it to dead slow, and hope for the best... */
1191 }
1192
1193 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1194 * shall set bit 1 of word 53 to one and support the fields contained
1195 * in words 64 through 70.
1196 */
1197 if (iop->field_valid & 0x02) {
1198 /* Mode 3 and above are possible. Check in order from slow
1199 * to fast, so we wind up with the highest mode allowed.
1200 */
1201 if (iop->eide_pio_modes & 0x01)
1202 pio_mode = 3;
1203 if (iop->eide_pio_modes & 0x02)
1204 pio_mode = 4;
1205 if (ata_id_is_cfa((u16 *)iop)) {
1206 if ((iop->cf_advanced_caps & 0x07) == 0x01)
1207 pio_mode = 5;
1208 if ((iop->cf_advanced_caps & 0x07) == 0x02)
1209 pio_mode = 6;
1210 }
1211 }
1212
1213 /* System-specific, depends on bus speeds, etc. */
1214 ide_set_piomode(pio_mode);
1215#endif /* CONFIG_TUNE_PIO */
1216
wdenkc6097192002-11-03 00:24:07 +00001217#if 0
1218 /*
1219 * Drive PIO mode autoselection
1220 */
1221 mode = iop->tPIO;
1222
1223 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1224 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1225 mode = 2;
wdenk1a344f22005-02-03 23:00:49 +00001226 debug ("Override tPIO -> 2\n");
wdenkc6097192002-11-03 00:24:07 +00001227 }
1228 if (iop->field_valid & 2) { /* drive implements ATA2? */
wdenk1a344f22005-02-03 23:00:49 +00001229 debug ("Drive implements ATA2\n");
wdenkc6097192002-11-03 00:24:07 +00001230 if (iop->capability & 8) { /* drive supports use_iordy? */
1231 cycle_time = iop->eide_pio_iordy;
1232 } else {
1233 cycle_time = iop->eide_pio;
1234 }
wdenk1a344f22005-02-03 23:00:49 +00001235 debug ("cycle time = %d\n", cycle_time);
wdenkc6097192002-11-03 00:24:07 +00001236 mode = 4;
1237 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1238 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1239 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1240 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1241 }
1242 printf ("PIO mode to use: PIO %d\n", mode);
1243#endif /* 0 */
1244
1245#ifdef CONFIG_ATAPI
1246 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1247 atapi_inquiry(dev_desc);
1248 return;
1249 }
1250#endif /* CONFIG_ATAPI */
1251
wdenkc3f9d492004-03-14 00:59:59 +00001252#ifdef __BIG_ENDIAN
wdenkc6097192002-11-03 00:24:07 +00001253 /* swap shorts */
1254 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
wdenkc3f9d492004-03-14 00:59:59 +00001255#else /* ! __BIG_ENDIAN */
1256 /*
1257 * do not swap shorts on little endian
1258 *
1259 * See CF+ and CompactFlash Specification Revision 2.0:
1260 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1261 */
1262 dev_desc->lba = iop->lba_capacity;
1263#endif /* __BIG_ENDIAN */
wdenkc40b2952004-03-13 23:29:43 +00001264
wdenk42dfe7a2004-03-14 22:25:36 +00001265#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001266 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
wdenk6e592382004-04-18 17:39:38 +00001267 dev_desc->lba48 = 1;
1268 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
wdenkc40b2952004-03-13 23:29:43 +00001269 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1270 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1271 ((unsigned long long)iop->lba48_capacity[3] << 48);
1272 } else {
wdenkc40b2952004-03-13 23:29:43 +00001273 dev_desc->lba48 = 0;
1274 }
1275#endif /* CONFIG_LBA48 */
wdenkc6097192002-11-03 00:24:07 +00001276 /* assuming HD */
1277 dev_desc->type=DEV_TYPE_HARDDISK;
1278 dev_desc->blksz=ATA_BLOCKSIZE;
1279 dev_desc->lun=0; /* just to fill something in... */
1280
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001281#if 0 /* only used to test the powersaving mode,
wdenkc6097192002-11-03 00:24:07 +00001282 * if enabled, the drive goes after 5 sec
1283 * in standby mode */
wdenk2262cfe2002-11-18 00:14:45 +00001284 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001285 c = ide_wait (device, IDE_TIME_OUT);
wdenk2262cfe2002-11-18 00:14:45 +00001286 ide_outb (device, ATA_SECT_CNT, 1);
1287 ide_outb (device, ATA_LBA_LOW, 0);
1288 ide_outb (device, ATA_LBA_MID, 0);
1289 ide_outb (device, ATA_LBA_HIGH, 0);
wdenk1a344f22005-02-03 23:00:49 +00001290 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenk2262cfe2002-11-18 00:14:45 +00001291 ide_outb (device, ATA_COMMAND, 0xe3);
wdenkc6097192002-11-03 00:24:07 +00001292 udelay (50);
1293 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1294#endif
1295}
1296
1297
1298/* ------------------------------------------------------------------------- */
1299
Grant Likelyeb867a72007-02-20 09:05:45 +01001300ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
wdenkc6097192002-11-03 00:24:07 +00001301{
1302 ulong n = 0;
1303 unsigned char c;
1304 unsigned char pwrsave=0; /* power save */
wdenk42dfe7a2004-03-14 22:25:36 +00001305#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001306 unsigned char lba48 = 0;
wdenkc6097192002-11-03 00:24:07 +00001307
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001308 if (blknr & 0x0000fffff0000000ULL) {
wdenkc40b2952004-03-13 23:29:43 +00001309 /* more than 28 bits used, use 48bit mode */
1310 lba48 = 1;
1311 }
1312#endif
wdenk1a344f22005-02-03 23:00:49 +00001313 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
wdenkc6097192002-11-03 00:24:07 +00001314 device, blknr, blkcnt, (ulong)buffer);
1315
1316 ide_led (DEVICE_LED(device), 1); /* LED on */
1317
1318 /* Select device
1319 */
wdenk2262cfe2002-11-18 00:14:45 +00001320 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001321 c = ide_wait (device, IDE_TIME_OUT);
1322
1323 if (c & ATA_STAT_BUSY) {
1324 printf ("IDE read: device %d not ready\n", device);
1325 goto IDE_READ_E;
1326 }
1327
1328 /* first check if the drive is in Powersaving mode, if yes,
1329 * increase the timeout value */
wdenk2262cfe2002-11-18 00:14:45 +00001330 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
wdenkc6097192002-11-03 00:24:07 +00001331 udelay (50);
1332
1333 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1334
1335 if (c & ATA_STAT_BUSY) {
1336 printf ("IDE read: device %d not ready\n", device);
1337 goto IDE_READ_E;
1338 }
1339 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1340 printf ("No Powersaving mode %X\n", c);
1341 } else {
wdenk2262cfe2002-11-18 00:14:45 +00001342 c = ide_inb(device,ATA_SECT_CNT);
wdenk1a344f22005-02-03 23:00:49 +00001343 debug ("Powersaving %02X\n",c);
wdenkc6097192002-11-03 00:24:07 +00001344 if(c==0)
1345 pwrsave=1;
1346 }
1347
1348
1349 while (blkcnt-- > 0) {
1350
1351 c = ide_wait (device, IDE_TIME_OUT);
1352
1353 if (c & ATA_STAT_BUSY) {
1354 printf ("IDE read: device %d not ready\n", device);
1355 break;
1356 }
wdenk42dfe7a2004-03-14 22:25:36 +00001357#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001358 if (lba48) {
1359 /* write high bits */
1360 ide_outb (device, ATA_SECT_CNT, 0);
1361 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001362#ifdef CFG_64BIT_LBA
wdenkc40b2952004-03-13 23:29:43 +00001363 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1364 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001365#else
1366 ide_outb (device, ATA_LBA_MID, 0);
1367 ide_outb (device, ATA_LBA_HIGH, 0);
1368#endif
wdenkc40b2952004-03-13 23:29:43 +00001369 }
1370#endif
wdenk2262cfe2002-11-18 00:14:45 +00001371 ide_outb (device, ATA_SECT_CNT, 1);
1372 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1373 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1374 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
wdenkc40b2952004-03-13 23:29:43 +00001375
wdenk42dfe7a2004-03-14 22:25:36 +00001376#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001377 if (lba48) {
1378 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1379 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1380
1381 } else
1382#endif
1383 {
1384 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1385 ATA_DEVICE(device) |
1386 ((blknr >> 24) & 0xF) );
1387 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1388 }
wdenkc6097192002-11-03 00:24:07 +00001389
1390 udelay (50);
1391
1392 if(pwrsave) {
1393 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1394 pwrsave=0;
1395 } else {
1396 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1397 }
1398
1399 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
wdenk42dfe7a2004-03-14 22:25:36 +00001400#if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
wdenkc40b2952004-03-13 23:29:43 +00001401 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
wdenkc6097192002-11-03 00:24:07 +00001402 device, blknr, c);
wdenkc40b2952004-03-13 23:29:43 +00001403#else
1404 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1405 device, (ulong)blknr, c);
1406#endif
wdenkc6097192002-11-03 00:24:07 +00001407 break;
1408 }
1409
1410 input_data (device, buffer, ATA_SECTORWORDS);
wdenk2262cfe2002-11-18 00:14:45 +00001411 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
wdenkc6097192002-11-03 00:24:07 +00001412
1413 ++n;
1414 ++blknr;
Greg Lopp0b945042007-04-13 08:02:24 +02001415 buffer += ATA_BLOCKSIZE;
wdenkc6097192002-11-03 00:24:07 +00001416 }
1417IDE_READ_E:
1418 ide_led (DEVICE_LED(device), 0); /* LED off */
1419 return (n);
1420}
1421
1422/* ------------------------------------------------------------------------- */
1423
1424
Grant Likelyeb867a72007-02-20 09:05:45 +01001425ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
wdenkc6097192002-11-03 00:24:07 +00001426{
1427 ulong n = 0;
1428 unsigned char c;
wdenk42dfe7a2004-03-14 22:25:36 +00001429#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001430 unsigned char lba48 = 0;
1431
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001432 if (blknr & 0x0000fffff0000000ULL) {
wdenkc40b2952004-03-13 23:29:43 +00001433 /* more than 28 bits used, use 48bit mode */
1434 lba48 = 1;
1435 }
1436#endif
wdenkc6097192002-11-03 00:24:07 +00001437
1438 ide_led (DEVICE_LED(device), 1); /* LED on */
1439
1440 /* Select device
1441 */
wdenk2262cfe2002-11-18 00:14:45 +00001442 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001443
1444 while (blkcnt-- > 0) {
1445
1446 c = ide_wait (device, IDE_TIME_OUT);
1447
1448 if (c & ATA_STAT_BUSY) {
1449 printf ("IDE read: device %d not ready\n", device);
1450 goto WR_OUT;
1451 }
wdenk42dfe7a2004-03-14 22:25:36 +00001452#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001453 if (lba48) {
1454 /* write high bits */
1455 ide_outb (device, ATA_SECT_CNT, 0);
1456 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001457#ifdef CFG_64BIT_LBA
wdenkc40b2952004-03-13 23:29:43 +00001458 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1459 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001460#else
1461 ide_outb (device, ATA_LBA_MID, 0);
1462 ide_outb (device, ATA_LBA_HIGH, 0);
1463#endif
wdenkc40b2952004-03-13 23:29:43 +00001464 }
1465#endif
wdenk2262cfe2002-11-18 00:14:45 +00001466 ide_outb (device, ATA_SECT_CNT, 1);
1467 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1468 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1469 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
wdenkc40b2952004-03-13 23:29:43 +00001470
wdenk42dfe7a2004-03-14 22:25:36 +00001471#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001472 if (lba48) {
1473 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1474 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1475
1476 } else
1477#endif
1478 {
1479 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1480 ATA_DEVICE(device) |
1481 ((blknr >> 24) & 0xF) );
1482 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1483 }
wdenkc6097192002-11-03 00:24:07 +00001484
1485 udelay (50);
1486
1487 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1488
1489 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
wdenk42dfe7a2004-03-14 22:25:36 +00001490#if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
wdenkc40b2952004-03-13 23:29:43 +00001491 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
wdenkc6097192002-11-03 00:24:07 +00001492 device, blknr, c);
wdenkc40b2952004-03-13 23:29:43 +00001493#else
1494 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1495 device, (ulong)blknr, c);
1496#endif
wdenkc6097192002-11-03 00:24:07 +00001497 goto WR_OUT;
1498 }
1499
1500 output_data (device, buffer, ATA_SECTORWORDS);
wdenk2262cfe2002-11-18 00:14:45 +00001501 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
wdenkc6097192002-11-03 00:24:07 +00001502 ++n;
1503 ++blknr;
Greg Lopp0b945042007-04-13 08:02:24 +02001504 buffer += ATA_BLOCKSIZE;
wdenkc6097192002-11-03 00:24:07 +00001505 }
1506WR_OUT:
1507 ide_led (DEVICE_LED(device), 0); /* LED off */
1508 return (n);
1509}
1510
1511/* ------------------------------------------------------------------------- */
1512
1513/*
1514 * copy src to dest, skipping leading and trailing blanks and null
1515 * terminate the string
wdenk7d7ce412004-03-17 01:13:07 +00001516 * "len" is the size of available memory including the terminating '\0'
wdenkc6097192002-11-03 00:24:07 +00001517 */
wdenk7d7ce412004-03-17 01:13:07 +00001518static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
wdenkc6097192002-11-03 00:24:07 +00001519{
wdenk7d7ce412004-03-17 01:13:07 +00001520 unsigned char *end, *last;
wdenkc6097192002-11-03 00:24:07 +00001521
wdenk7d7ce412004-03-17 01:13:07 +00001522 last = dst;
wdenk6fb6af62004-03-23 23:20:24 +00001523 end = src + len - 1;
wdenk7d7ce412004-03-17 01:13:07 +00001524
1525 /* reserve space for '\0' */
1526 if (len < 2)
1527 goto OUT;
wdenkefa329c2004-03-23 20:18:25 +00001528
wdenk7d7ce412004-03-17 01:13:07 +00001529 /* skip leading white space */
1530 while ((*src) && (src<end) && (*src==' '))
1531 ++src;
1532
1533 /* copy string, omitting trailing white space */
1534 while ((*src) && (src<end)) {
1535 *dst++ = *src;
1536 if (*src++ != ' ')
1537 last = dst;
wdenkc6097192002-11-03 00:24:07 +00001538 }
wdenk7d7ce412004-03-17 01:13:07 +00001539OUT:
1540 *last = '\0';
wdenkc6097192002-11-03 00:24:07 +00001541}
1542
1543/* ------------------------------------------------------------------------- */
1544
1545/*
1546 * Wait until Busy bit is off, or timeout (in ms)
1547 * Return last status
1548 */
1549static uchar ide_wait (int dev, ulong t)
1550{
1551 ulong delay = 10 * t; /* poll every 100 us */
1552 uchar c;
1553
wdenk2262cfe2002-11-18 00:14:45 +00001554 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
wdenkc6097192002-11-03 00:24:07 +00001555 udelay (100);
1556 if (delay-- == 0) {
1557 break;
1558 }
1559 }
1560 return (c);
1561}
1562
1563/* ------------------------------------------------------------------------- */
1564
1565#ifdef CONFIG_IDE_RESET
1566extern void ide_set_reset(int idereset);
1567
1568static void ide_reset (void)
1569{
1570#if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1571 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1572#endif
1573 int i;
1574
1575 curr_device = -1;
1576 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1577 ide_bus_ok[i] = 0;
1578 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1579 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1580
1581 ide_set_reset (1); /* assert reset */
1582
Martin Krausee175eac2008-04-03 13:37:56 +02001583 /* the reset signal shall be asserted for et least 25 us */
1584 udelay(25);
1585
wdenkc6097192002-11-03 00:24:07 +00001586 WATCHDOG_RESET();
1587
1588#ifdef CFG_PB_12V_ENABLE
1589 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1590 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1591 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1592 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1593
1594 /* wait 500 ms for the voltage to stabilize
1595 */
1596 for (i=0; i<500; ++i) {
1597 udelay (1000);
1598 }
1599
1600 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1601#endif /* CFG_PB_12V_ENABLE */
1602
1603#ifdef CFG_PB_IDE_MOTOR
1604 /* configure IDE Motor voltage monitor pin as input */
1605 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1606 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1607 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1608
1609 /* wait up to 1 s for the motor voltage to stabilize
1610 */
1611 for (i=0; i<1000; ++i) {
1612 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1613 break;
1614 }
1615 udelay (1000);
1616 }
1617
1618 if (i == 1000) { /* Timeout */
1619 printf ("\nWarning: 5V for IDE Motor missing\n");
1620# ifdef CONFIG_STATUS_LED
1621# ifdef STATUS_LED_YELLOW
1622 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1623# endif
1624# ifdef STATUS_LED_GREEN
1625 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1626# endif
1627# endif /* CONFIG_STATUS_LED */
1628 }
1629#endif /* CFG_PB_IDE_MOTOR */
1630
1631 WATCHDOG_RESET();
1632
1633 /* de-assert RESET signal */
1634 ide_set_reset(0);
1635
1636 /* wait 250 ms */
1637 for (i=0; i<250; ++i) {
1638 udelay (1000);
1639 }
1640}
1641
1642#endif /* CONFIG_IDE_RESET */
1643
1644/* ------------------------------------------------------------------------- */
1645
wdenke2ffd592004-12-31 09:32:47 +00001646#if defined(CONFIG_IDE_LED) && \
1647 !defined(CONFIG_AMIGAONEG3SE)&& \
1648 !defined(CONFIG_CPC45) && \
1649 !defined(CONFIG_HMI10) && \
1650 !defined(CONFIG_KUP4K) && \
1651 !defined(CONFIG_KUP4X)
wdenkc6097192002-11-03 00:24:07 +00001652
1653static uchar led_buffer = 0; /* Buffer for current LED status */
1654
1655static void ide_led (uchar led, uchar status)
1656{
1657 uchar *led_port = LED_PORT;
1658
1659 if (status) { /* switch LED on */
1660 led_buffer |= led;
1661 } else { /* switch LED off */
1662 led_buffer &= ~led;
1663 }
1664
1665 *led_port = led_buffer;
1666}
1667
1668#endif /* CONFIG_IDE_LED */
1669
1670/* ------------------------------------------------------------------------- */
1671
1672#ifdef CONFIG_ATAPI
1673/****************************************************************************
1674 * ATAPI Support
1675 */
1676
wdenkdb01a2e2004-04-15 23:14:49 +00001677#if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
wdenkc6097192002-11-03 00:24:07 +00001678/* since ATAPI may use commands with not 4 bytes alligned length
1679 * we have our own transfer functions, 2 bytes alligned */
1680static void
1681output_data_shorts(int dev, ushort *sect_buf, int shorts)
1682{
wdenk1a344f22005-02-03 23:00:49 +00001683#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +00001684 uchar *dbuf;
1685 volatile uchar *pbuf_even;
1686 volatile uchar *pbuf_odd;
1687
1688 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1689 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1690 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001691 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001692 *pbuf_even = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +00001693 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001694 *pbuf_odd = *dbuf++;
1695 }
wdenk1a344f22005-02-03 23:00:49 +00001696#else
wdenkc6097192002-11-03 00:24:07 +00001697 ushort *dbuf;
1698 volatile ushort *pbuf;
1699
1700 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1701 dbuf = (ushort *)sect_buf;
wdenkdb01a2e2004-04-15 23:14:49 +00001702
wdenk1a344f22005-02-03 23:00:49 +00001703 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
wdenkdb01a2e2004-04-15 23:14:49 +00001704
wdenkc6097192002-11-03 00:24:07 +00001705 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001706 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +00001707 *pbuf = *dbuf++;
wdenkc6097192002-11-03 00:24:07 +00001708 }
wdenk1a344f22005-02-03 23:00:49 +00001709#endif
1710}
1711
1712static void
1713input_data_shorts(int dev, ushort *sect_buf, int shorts)
1714{
1715#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +00001716 uchar *dbuf;
1717 volatile uchar *pbuf_even;
1718 volatile uchar *pbuf_odd;
1719
1720 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1721 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1722 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001723 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001724 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +00001725 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001726 *dbuf++ = *pbuf_odd;
1727 }
wdenk1a344f22005-02-03 23:00:49 +00001728#else
1729 ushort *dbuf;
1730 volatile ushort *pbuf;
1731
1732 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1733 dbuf = (ushort *)sect_buf;
1734
1735 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1736
1737 while (shorts--) {
1738 EIEIO;
1739 *dbuf++ = *pbuf;
1740 }
1741#endif
wdenkc6097192002-11-03 00:24:07 +00001742}
1743
wdenk2262cfe2002-11-18 00:14:45 +00001744#else /* ! __PPC__ */
1745static void
1746output_data_shorts(int dev, ushort *sect_buf, int shorts)
1747{
wdenk15647dc2003-10-09 19:00:25 +00001748 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
wdenk2262cfe2002-11-18 00:14:45 +00001749}
1750
wdenk2262cfe2002-11-18 00:14:45 +00001751static void
1752input_data_shorts(int dev, ushort *sect_buf, int shorts)
1753{
wdenk15647dc2003-10-09 19:00:25 +00001754 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
wdenk2262cfe2002-11-18 00:14:45 +00001755}
1756
1757#endif /* __PPC__ */
1758
wdenkc6097192002-11-03 00:24:07 +00001759/*
1760 * Wait until (Status & mask) == res, or timeout (in ms)
1761 * Return last status
1762 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1763 * and then they set their DRQ Bit
1764 */
1765static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1766{
1767 ulong delay = 10 * t; /* poll every 100 us */
1768 uchar c;
1769
wdenk2262cfe2002-11-18 00:14:45 +00001770 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1771 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
wdenkc6097192002-11-03 00:24:07 +00001772 /* break if error occurs (doesn't make sense to wait more) */
1773 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1774 break;
1775 udelay (100);
1776 if (delay-- == 0) {
1777 break;
1778 }
1779 }
1780 return (c);
1781}
1782
1783/*
1784 * issue an atapi command
1785 */
1786unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1787{
1788 unsigned char c,err,mask,res;
1789 int n;
1790 ide_led (DEVICE_LED(device), 1); /* LED on */
1791
1792 /* Select device
1793 */
1794 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1795 res = 0;
wdenkc7de8292002-11-19 11:04:11 +00001796#ifdef CONFIG_AMIGAONEG3SE
1797# warning THF: Removed LBA mode ???
1798#endif
wdenk2262cfe2002-11-18 00:14:45 +00001799 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001800 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1801 if ((c & mask) != res) {
1802 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1803 err=0xFF;
1804 goto AI_OUT;
1805 }
1806 /* write taskfile */
wdenk2262cfe2002-11-18 00:14:45 +00001807 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
wdenkc7de8292002-11-19 11:04:11 +00001808 ide_outb (device, ATA_SECT_CNT, 0);
1809 ide_outb (device, ATA_SECT_NUM, 0);
wdenk2262cfe2002-11-18 00:14:45 +00001810 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
wdenkc7de8292002-11-19 11:04:11 +00001811 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1812#ifdef CONFIG_AMIGAONEG3SE
1813# warning THF: Removed LBA mode ???
1814#endif
wdenk2262cfe2002-11-18 00:14:45 +00001815 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001816
wdenk2262cfe2002-11-18 00:14:45 +00001817 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
wdenkc6097192002-11-03 00:24:07 +00001818 udelay (50);
1819
1820 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1821 res = ATA_STAT_DRQ;
1822 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1823
1824 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
Steven A. Falco4afbef92008-08-15 15:37:31 -04001825 printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
wdenkc6097192002-11-03 00:24:07 +00001826 err=0xFF;
1827 goto AI_OUT;
1828 }
1829
1830 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001831 /* ATAPI Command written wait for completition */
wdenkc6097192002-11-03 00:24:07 +00001832 udelay (5000); /* device must set bsy */
1833
1834 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1835 /* if no data wait for DRQ = 0 BSY = 0
1836 * if data wait for DRQ = 1 BSY = 0 */
1837 res=0;
1838 if(buflen)
1839 res = ATA_STAT_DRQ;
1840 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1841 if ((c & mask) != res ) {
1842 if (c & ATA_STAT_ERR) {
wdenk2262cfe2002-11-18 00:14:45 +00001843 err=(ide_inb(device,ATA_ERROR_REG))>>4;
wdenk1a344f22005-02-03 23:00:49 +00001844 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
wdenkc6097192002-11-03 00:24:07 +00001845 } else {
Steven A. Falco4afbef92008-08-15 15:37:31 -04001846 printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
wdenkc6097192002-11-03 00:24:07 +00001847 err=0xFF;
1848 }
1849 goto AI_OUT;
1850 }
wdenk2262cfe2002-11-18 00:14:45 +00001851 n=ide_inb(device, ATA_CYL_HIGH);
wdenkc6097192002-11-03 00:24:07 +00001852 n<<=8;
wdenk2262cfe2002-11-18 00:14:45 +00001853 n+=ide_inb(device, ATA_CYL_LOW);
wdenkc6097192002-11-03 00:24:07 +00001854 if(n>buflen) {
1855 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1856 err=0xff;
1857 goto AI_OUT;
1858 }
1859 if((n==0)&&(buflen<0)) {
1860 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1861 err=0xff;
1862 goto AI_OUT;
1863 }
1864 if(n!=buflen) {
wdenk1a344f22005-02-03 23:00:49 +00001865 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
wdenkc6097192002-11-03 00:24:07 +00001866 }
1867 if(n!=0) { /* data transfer */
wdenk1a344f22005-02-03 23:00:49 +00001868 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
wdenkc6097192002-11-03 00:24:07 +00001869 /* we transfer shorts */
1870 n>>=1;
1871 /* ok now decide if it is an in or output */
wdenk2262cfe2002-11-18 00:14:45 +00001872 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
wdenk1a344f22005-02-03 23:00:49 +00001873 debug ("Write to device\n");
wdenkc6097192002-11-03 00:24:07 +00001874 output_data_shorts(device,(unsigned short *)buffer,n);
1875 } else {
wdenk1a344f22005-02-03 23:00:49 +00001876 debug ("Read from device @ %p shorts %d\n",buffer,n);
wdenkc6097192002-11-03 00:24:07 +00001877 input_data_shorts(device,(unsigned short *)buffer,n);
1878 }
1879 }
1880 udelay(5000); /* seems that some CD ROMs need this... */
1881 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1882 res=0;
1883 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1884 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
wdenk2262cfe2002-11-18 00:14:45 +00001885 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
wdenk1a344f22005-02-03 23:00:49 +00001886 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
wdenkc6097192002-11-03 00:24:07 +00001887 } else {
1888 err = 0;
1889 }
1890AI_OUT:
1891 ide_led (DEVICE_LED(device), 0); /* LED off */
1892 return (err);
1893}
1894
1895/*
1896 * sending the command to atapi_issue. If an status other than good
1897 * returns, an request_sense will be issued
1898 */
1899
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001900#define ATAPI_DRIVE_NOT_READY 100
wdenkc6097192002-11-03 00:24:07 +00001901#define ATAPI_UNIT_ATTN 10
1902
1903unsigned char atapi_issue_autoreq (int device,
1904 unsigned char* ccb,
1905 int ccblen,
1906 unsigned char *buffer,
1907 int buflen)
1908{
1909 unsigned char sense_data[18],sense_ccb[12];
1910 unsigned char res,key,asc,ascq;
1911 int notready,unitattn;
1912
wdenkc7de8292002-11-19 11:04:11 +00001913#ifdef CONFIG_AMIGAONEG3SE
1914 char *s;
1915 unsigned int timeout, retrycnt;
1916
1917 s = getenv("ide_cd_timeout");
1918 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1919
1920 retrycnt = 0;
1921#endif
1922
wdenkc6097192002-11-03 00:24:07 +00001923 unitattn=ATAPI_UNIT_ATTN;
1924 notready=ATAPI_DRIVE_NOT_READY;
1925
1926retry:
1927 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1928 if (res==0)
1929 return (0); /* Ok */
1930
1931 if (res==0xFF)
1932 return (0xFF); /* error */
1933
wdenk1a344f22005-02-03 23:00:49 +00001934 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
wdenkc6097192002-11-03 00:24:07 +00001935
1936 memset(sense_ccb,0,sizeof(sense_ccb));
1937 memset(sense_data,0,sizeof(sense_data));
1938 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
wdenkc7de8292002-11-19 11:04:11 +00001939 sense_ccb[4]=18; /* allocation Length */
wdenkc6097192002-11-03 00:24:07 +00001940
1941 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1942 key=(sense_data[2]&0xF);
1943 asc=(sense_data[12]);
1944 ascq=(sense_data[13]);
1945
wdenk1a344f22005-02-03 23:00:49 +00001946 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1947 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
wdenkc6097192002-11-03 00:24:07 +00001948 sense_data[0],
1949 key,
1950 asc,
1951 ascq);
1952
1953 if((key==0))
1954 return 0; /* ok device ready */
1955
1956 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1957 if(unitattn-->0) {
1958 udelay(200*1000);
1959 goto retry;
1960 }
1961 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1962 goto error;
1963 }
1964 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1965 if (notready-->0) {
1966 udelay(200*1000);
1967 goto retry;
1968 }
1969 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1970 goto error;
1971 }
1972 if(asc==0x3a) {
wdenk1a344f22005-02-03 23:00:49 +00001973 debug ("Media not present\n");
wdenkc6097192002-11-03 00:24:07 +00001974 goto error;
1975 }
wdenkc7de8292002-11-19 11:04:11 +00001976
1977#ifdef CONFIG_AMIGAONEG3SE
1978 if ((sense_data[2]&0xF)==0x0B) {
wdenk1a344f22005-02-03 23:00:49 +00001979 debug ("ABORTED COMMAND...retry\n");
wdenkc7de8292002-11-19 11:04:11 +00001980 if (retrycnt++ < 4)
1981 goto retry;
1982 return (0xFF);
1983 }
1984
1985 if ((sense_data[2]&0xf) == 0x02 &&
1986 sense_data[12] == 0x04 &&
1987 sense_data[13] == 0x01 ) {
wdenk1a344f22005-02-03 23:00:49 +00001988 debug ("Waiting for unit to become active\n");
wdenkc7de8292002-11-19 11:04:11 +00001989 udelay(timeout);
1990 if (retrycnt++ < 4)
1991 goto retry;
1992 return 0xFF;
1993 }
1994#endif /* CONFIG_AMIGAONEG3SE */
1995
wdenkc6097192002-11-03 00:24:07 +00001996 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1997error:
wdenk1a344f22005-02-03 23:00:49 +00001998 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
wdenkc6097192002-11-03 00:24:07 +00001999 return (0xFF);
2000}
2001
2002
wdenkc6097192002-11-03 00:24:07 +00002003static void atapi_inquiry(block_dev_desc_t * dev_desc)
2004{
2005 unsigned char ccb[12]; /* Command descriptor block */
2006 unsigned char iobuf[64]; /* temp buf */
2007 unsigned char c;
2008 int device;
2009
2010 device=dev_desc->dev;
2011 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
2012 dev_desc->block_read=atapi_read;
2013
2014 memset(ccb,0,sizeof(ccb));
2015 memset(iobuf,0,sizeof(iobuf));
2016
2017 ccb[0]=ATAPI_CMD_INQUIRY;
2018 ccb[4]=40; /* allocation Legnth */
2019 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
2020
wdenk1a344f22005-02-03 23:00:49 +00002021 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00002022 if (c!=0)
2023 return;
2024
2025 /* copy device ident strings */
Jean-Christophe PLAGNIOL-VILLARD7a60ee72007-11-07 08:19:19 +01002026 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
2027 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
2028 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
wdenkc6097192002-11-03 00:24:07 +00002029
2030 dev_desc->lun=0;
2031 dev_desc->lba=0;
2032 dev_desc->blksz=0;
2033 dev_desc->type=iobuf[0] & 0x1f;
2034
2035 if ((iobuf[1]&0x80)==0x80)
2036 dev_desc->removable = 1;
2037 else
2038 dev_desc->removable = 0;
2039
2040 memset(ccb,0,sizeof(ccb));
2041 memset(iobuf,0,sizeof(iobuf));
2042 ccb[0]=ATAPI_CMD_START_STOP;
2043 ccb[4]=0x03; /* start */
2044
2045 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2046
wdenk1a344f22005-02-03 23:00:49 +00002047 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00002048 if (c!=0)
2049 return;
2050
2051 memset(ccb,0,sizeof(ccb));
2052 memset(iobuf,0,sizeof(iobuf));
2053 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2054
wdenk1a344f22005-02-03 23:00:49 +00002055 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00002056 if (c!=0)
2057 return;
2058
2059 memset(ccb,0,sizeof(ccb));
2060 memset(iobuf,0,sizeof(iobuf));
2061 ccb[0]=ATAPI_CMD_READ_CAP;
2062 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
wdenk1a344f22005-02-03 23:00:49 +00002063 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00002064 if (c!=0)
2065 return;
2066
wdenk1a344f22005-02-03 23:00:49 +00002067 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
wdenkc6097192002-11-03 00:24:07 +00002068 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2069 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2070
2071 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2072 ((unsigned long)iobuf[1]<<16) +
2073 ((unsigned long)iobuf[2]<< 8) +
2074 ((unsigned long)iobuf[3]);
2075 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2076 ((unsigned long)iobuf[5]<<16) +
2077 ((unsigned long)iobuf[6]<< 8) +
2078 ((unsigned long)iobuf[7]);
wdenk42dfe7a2004-03-14 22:25:36 +00002079#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00002080 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
wdenk42dfe7a2004-03-14 22:25:36 +00002081#endif
wdenkc6097192002-11-03 00:24:07 +00002082 return;
2083}
2084
2085
2086/*
2087 * atapi_read:
2088 * we transfer only one block per command, since the multiple DRQ per
2089 * command is not yet implemented
2090 */
2091#define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2092#define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2093#define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2094
Grant Likelyeb867a72007-02-20 09:05:45 +01002095ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
wdenkc6097192002-11-03 00:24:07 +00002096{
2097 ulong n = 0;
2098 unsigned char ccb[12]; /* Command descriptor block */
2099 ulong cnt;
2100
wdenk1a344f22005-02-03 23:00:49 +00002101 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
wdenkc6097192002-11-03 00:24:07 +00002102 device, blknr, blkcnt, (ulong)buffer);
2103
2104 do {
2105 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2106 cnt=ATAPI_READ_MAX_BLOCK;
2107 } else {
2108 cnt=blkcnt;
2109 }
2110 ccb[0]=ATAPI_CMD_READ_12;
2111 ccb[1]=0; /* reserved */
2112 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2113 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2114 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2115 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2116 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2117 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2118 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2119 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2120 ccb[10]=0; /* reserved */
2121 ccb[11]=0; /* reserved */
2122
2123 if (atapi_issue_autoreq(device,ccb,12,
2124 (unsigned char *)buffer,
2125 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2126 return (n);
2127 }
2128 n+=cnt;
2129 blkcnt-=cnt;
2130 blknr+=cnt;
Greg Lopp0b945042007-04-13 08:02:24 +02002131 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
wdenkc6097192002-11-03 00:24:07 +00002132 } while (blkcnt > 0);
2133 return (n);
2134}
2135
2136/* ------------------------------------------------------------------------- */
2137
2138#endif /* CONFIG_ATAPI */
2139
wdenk0d498392003-07-01 21:06:45 +00002140U_BOOT_CMD(
2141 ide, 5, 1, do_ide,
wdenk8bde7f72003-06-27 21:31:46 +00002142 "ide - IDE sub-system\n",
2143 "reset - reset IDE controller\n"
2144 "ide info - show available IDE devices\n"
2145 "ide device [dev] - show or set current device\n"
2146 "ide part [dev] - print partition table of one or all IDE devices\n"
2147 "ide read addr blk# cnt\n"
2148 "ide write addr blk# cnt - read/write `cnt'"
2149 " blocks starting at block `blk#'\n"
2150 " to/from memory address `addr'\n"
2151);
2152
wdenk0d498392003-07-01 21:06:45 +00002153U_BOOT_CMD(
2154 diskboot, 3, 1, do_diskboot,
wdenk8bde7f72003-06-27 21:31:46 +00002155 "diskboot- boot from IDE device\n",
2156 "loadAddr dev:part\n"
2157);