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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
Ralph Kondziella70a4da42009-01-26 12:34:36 -070048#ifdef CONFIG_MPC512X
49#include <mpc512x.h>
50#endif
51
wdenkc6097192002-11-03 00:24:07 +000052#include <ide.h>
53#include <ata.h>
Grant Likely735dd972007-02-20 09:04:34 +010054
wdenkc6097192002-11-03 00:24:07 +000055#ifdef CONFIG_STATUS_LED
56# include <status_led.h>
57#endif
Grant Likely735dd972007-02-20 09:04:34 +010058
Wolfgang Denkd87080b2006-03-31 18:32:53 +020059#ifdef CONFIG_IDE_8xx_DIRECT
60DECLARE_GLOBAL_DATA_PTR;
61#endif
62
wdenk5cf91d62004-04-23 20:32:05 +000063#ifdef __PPC__
64# define EIEIO __asm__ volatile ("eieio")
wdenk1a344f22005-02-03 23:00:49 +000065# define SYNC __asm__ volatile ("sync")
wdenk5cf91d62004-04-23 20:32:05 +000066#else
67# define EIEIO /* nothing */
wdenk1a344f22005-02-03 23:00:49 +000068# define SYNC /* nothing */
wdenkc6097192002-11-03 00:24:07 +000069#endif
70
wdenk15647dc2003-10-09 19:00:25 +000071#ifdef CONFIG_IDE_8xx_DIRECT
wdenkc6097192002-11-03 00:24:07 +000072/* Timings for IDE Interface
73 *
74 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
75 * 70 165 30 PIO-Mode 0, [ns]
76 * 4 9 2 [Cycles]
77 * 50 125 20 PIO-Mode 1, [ns]
78 * 3 7 2 [Cycles]
79 * 30 100 15 PIO-Mode 2, [ns]
80 * 2 6 1 [Cycles]
81 * 30 80 10 PIO-Mode 3, [ns]
82 * 2 5 1 [Cycles]
83 * 25 70 10 PIO-Mode 4, [ns]
84 * 2 4 1 [Cycles]
85 */
86
87const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
88{
89 /* Setup Length Hold */
90 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
91 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
92 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
93 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
94 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
95};
96
97static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
98
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020099#ifndef CONFIG_SYS_PIO_MODE
100#define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */
wdenkc6097192002-11-03 00:24:07 +0000101#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200102static int pio_mode = CONFIG_SYS_PIO_MODE;
wdenkc6097192002-11-03 00:24:07 +0000103
104/* Make clock cycles and always round up */
105
106#define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
107
wdenk15647dc2003-10-09 19:00:25 +0000108#endif /* CONFIG_IDE_8xx_DIRECT */
109
wdenkc6097192002-11-03 00:24:07 +0000110/* ------------------------------------------------------------------------- */
111
112/* Current I/O Device */
113static int curr_device = -1;
114
115/* Current offset for IDE0 / IDE1 bus access */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200116ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
117#if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
118 CONFIG_SYS_ATA_IDE0_OFFSET,
wdenkc6097192002-11-03 00:24:07 +0000119#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200120#if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
121 CONFIG_SYS_ATA_IDE1_OFFSET,
wdenkc6097192002-11-03 00:24:07 +0000122#endif
123};
124
wdenk15647dc2003-10-09 19:00:25 +0000125
wdenkc7de8292002-11-19 11:04:11 +0000126#ifndef CONFIG_AMIGAONEG3SE
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200127static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
wdenkc7de8292002-11-19 11:04:11 +0000128#else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200129static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS] = {0,};
wdenkc7de8292002-11-19 11:04:11 +0000130#endif
wdenkc6097192002-11-03 00:24:07 +0000131
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200132block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
wdenkc6097192002-11-03 00:24:07 +0000133/* ------------------------------------------------------------------------- */
134
135#ifdef CONFIG_IDE_LED
wdenke2ffd592004-12-31 09:32:47 +0000136#if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
wdenkc6097192002-11-03 00:24:07 +0000137static void ide_led (uchar led, uchar status);
138#else
wdenk1f53a412002-12-04 23:39:58 +0000139extern void ide_led (uchar led, uchar status);
140#endif
141#else
wdenkc7de8292002-11-19 11:04:11 +0000142#ifndef CONFIG_AMIGAONEG3SE
wdenkc6097192002-11-03 00:24:07 +0000143#define ide_led(a,b) /* dummy */
wdenkc7de8292002-11-19 11:04:11 +0000144#else
145extern void ide_led(uchar led, uchar status);
146#define LED_IDE1 1
147#define LED_IDE2 2
148#define CONFIG_IDE_LED 1
149#define DEVICE_LED(x) 1
150#endif
wdenkc6097192002-11-03 00:24:07 +0000151#endif
152
153#ifdef CONFIG_IDE_RESET
154static void ide_reset (void);
155#else
156#define ide_reset() /* dummy */
157#endif
158
159static void ide_ident (block_dev_desc_t *dev_desc);
160static uchar ide_wait (int dev, ulong t);
161
162#define IDE_TIME_OUT 2000 /* 2 sec timeout */
163
164#define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
165
166#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
167
wdenkc6097192002-11-03 00:24:07 +0000168static void input_data(int dev, ulong *sect_buf, int words);
169static void output_data(int dev, ulong *sect_buf, int words);
170static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
171
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200172#ifndef CONFIG_SYS_ATA_PORT_ADDR
173#define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
Heiko Schocher566a4942007-06-22 19:11:54 +0200174#endif
wdenkc6097192002-11-03 00:24:07 +0000175
176#ifdef CONFIG_ATAPI
177static void atapi_inquiry(block_dev_desc_t *dev_desc);
Grant Likelyeb867a72007-02-20 09:05:45 +0100178ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
wdenkc6097192002-11-03 00:24:07 +0000179#endif
180
181
182#ifdef CONFIG_IDE_8xx_DIRECT
183static void set_pcmcia_timing (int pmode);
wdenkc6097192002-11-03 00:24:07 +0000184#endif
185
186/* ------------------------------------------------------------------------- */
187
188int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
189{
190 int rcode = 0;
191
192 switch (argc) {
193 case 0:
194 case 1:
Peter Tyser62c3ae72009-01-27 18:03:10 -0600195 cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000196 return 1;
197 case 2:
198 if (strncmp(argv[1],"res",3) == 0) {
199 puts ("\nReset IDE"
200#ifdef CONFIG_IDE_8xx_DIRECT
201 " on PCMCIA " PCMCIA_SLOT_MSG
202#endif
203 ": ");
204
205 ide_init ();
206 return 0;
207 } else if (strncmp(argv[1],"inf",3) == 0) {
208 int i;
209
210 putc ('\n');
211
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200212 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
wdenkc6097192002-11-03 00:24:07 +0000213 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
214 continue; /* list only known devices */
215 printf ("IDE device %d: ", i);
216 dev_print(&ide_dev_desc[i]);
217 }
218 return 0;
219
220 } else if (strncmp(argv[1],"dev",3) == 0) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200221 if ((curr_device < 0) || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) {
wdenkc6097192002-11-03 00:24:07 +0000222 puts ("\nno IDE devices available\n");
223 return 1;
224 }
225 printf ("\nIDE device %d: ", curr_device);
226 dev_print(&ide_dev_desc[curr_device]);
227 return 0;
228 } else if (strncmp(argv[1],"part",4) == 0) {
229 int dev, ok;
230
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200231 for (ok=0, dev=0; dev<CONFIG_SYS_IDE_MAXDEVICE; ++dev) {
wdenkc6097192002-11-03 00:24:07 +0000232 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
233 ++ok;
234 if (dev)
235 putc ('\n');
236 print_part(&ide_dev_desc[dev]);
237 }
238 }
239 if (!ok) {
240 puts ("\nno IDE devices available\n");
241 rcode ++;
242 }
243 return rcode;
244 }
Peter Tyser62c3ae72009-01-27 18:03:10 -0600245 cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000246 return 1;
247 case 3:
248 if (strncmp(argv[1],"dev",3) == 0) {
249 int dev = (int)simple_strtoul(argv[2], NULL, 10);
250
251 printf ("\nIDE device %d: ", dev);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200252 if (dev >= CONFIG_SYS_IDE_MAXDEVICE) {
wdenkc6097192002-11-03 00:24:07 +0000253 puts ("unknown device\n");
254 return 1;
255 }
256 dev_print(&ide_dev_desc[dev]);
257 /*ide_print (dev);*/
258
259 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
260 return 1;
261 }
262
263 curr_device = dev;
264
265 puts ("... is now current device\n");
266
267 return 0;
268 } else if (strncmp(argv[1],"part",4) == 0) {
269 int dev = (int)simple_strtoul(argv[2], NULL, 10);
270
271 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
272 print_part(&ide_dev_desc[dev]);
273 } else {
274 printf ("\nIDE device %d not available\n", dev);
275 rcode = 1;
276 }
277 return rcode;
278#if 0
279 } else if (strncmp(argv[1],"pio",4) == 0) {
280 int mode = (int)simple_strtoul(argv[2], NULL, 10);
281
282 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
283 puts ("\nSetting ");
284 pio_mode = mode;
285 ide_init ();
286 } else {
287 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
288 mode, IDE_MAX_PIO_MODE);
289 }
290 return;
291#endif
292 }
293
Peter Tyser62c3ae72009-01-27 18:03:10 -0600294 cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000295 return 1;
296 default:
297 /* at least 4 args */
298
299 if (strcmp(argv[1],"read") == 0) {
300 ulong addr = simple_strtoul(argv[2], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000301 ulong cnt = simple_strtoul(argv[4], NULL, 16);
302 ulong n;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200303#ifdef CONFIG_SYS_64BIT_LBA
wdenk42dfe7a2004-03-14 22:25:36 +0000304 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000305
Mike Frysinger6c6166f2009-02-16 23:21:36 -0500306 printf ("\nIDE read: device %d block # %Ld, count %ld ... ",
wdenkc6097192002-11-03 00:24:07 +0000307 curr_device, blk, cnt);
wdenk42dfe7a2004-03-14 22:25:36 +0000308#else
309 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
310
311 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
312 curr_device, blk, cnt);
313#endif
wdenkc6097192002-11-03 00:24:07 +0000314
315 n = ide_dev_desc[curr_device].block_read (curr_device,
316 blk, cnt,
317 (ulong *)addr);
318 /* flush cache after read */
319 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
320
321 printf ("%ld blocks read: %s\n",
322 n, (n==cnt) ? "OK" : "ERROR");
323 if (n==cnt) {
324 return 0;
325 } else {
326 return 1;
327 }
328 } else if (strcmp(argv[1],"write") == 0) {
329 ulong addr = simple_strtoul(argv[2], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000330 ulong cnt = simple_strtoul(argv[4], NULL, 16);
331 ulong n;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200332#ifdef CONFIG_SYS_64BIT_LBA
wdenk42dfe7a2004-03-14 22:25:36 +0000333 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000334
Mike Frysinger6c6166f2009-02-16 23:21:36 -0500335 printf ("\nIDE write: device %d block # %Ld, count %ld ... ",
wdenkc6097192002-11-03 00:24:07 +0000336 curr_device, blk, cnt);
wdenk42dfe7a2004-03-14 22:25:36 +0000337#else
338 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
339
340 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
341 curr_device, blk, cnt);
342#endif
wdenkc6097192002-11-03 00:24:07 +0000343
344 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
345
346 printf ("%ld blocks written: %s\n",
347 n, (n==cnt) ? "OK" : "ERROR");
348 if (n==cnt) {
349 return 0;
350 } else {
351 return 1;
352 }
353 } else {
Peter Tyser62c3ae72009-01-27 18:03:10 -0600354 cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000355 rcode = 1;
356 }
357
358 return rcode;
359 }
360}
361
362int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
363{
364 char *boot_device = NULL;
365 char *ep;
366 int dev, part = 0;
Marian Balakowiczb97a2a02008-01-08 18:14:09 +0100367 ulong addr, cnt;
wdenkc6097192002-11-03 00:24:07 +0000368 disk_partition_t info;
369 image_header_t *hdr;
370 int rcode = 0;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100371#if defined(CONFIG_FIT)
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200372 const void *fit_hdr = NULL;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100373#endif
wdenkc6097192002-11-03 00:24:07 +0000374
Heiko Schocherfad63402007-07-13 09:54:17 +0200375 show_boot_progress (41);
wdenkc6097192002-11-03 00:24:07 +0000376 switch (argc) {
377 case 1:
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200378 addr = CONFIG_SYS_LOAD_ADDR;
wdenkc6097192002-11-03 00:24:07 +0000379 boot_device = getenv ("bootdevice");
380 break;
381 case 2:
382 addr = simple_strtoul(argv[1], NULL, 16);
383 boot_device = getenv ("bootdevice");
384 break;
385 case 3:
386 addr = simple_strtoul(argv[1], NULL, 16);
387 boot_device = argv[2];
388 break;
389 default:
Peter Tyser62c3ae72009-01-27 18:03:10 -0600390 cmd_usage(cmdtp);
Heiko Schocherfad63402007-07-13 09:54:17 +0200391 show_boot_progress (-42);
wdenkc6097192002-11-03 00:24:07 +0000392 return 1;
393 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200394 show_boot_progress (42);
wdenkc6097192002-11-03 00:24:07 +0000395
396 if (!boot_device) {
397 puts ("\n** No boot device **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200398 show_boot_progress (-43);
wdenkc6097192002-11-03 00:24:07 +0000399 return 1;
400 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200401 show_boot_progress (43);
wdenkc6097192002-11-03 00:24:07 +0000402
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);
Heiko Schocherfad63402007-07-13 09:54:17 +0200407 show_boot_progress (-44);
wdenkc6097192002-11-03 00:24:07 +0000408 return 1;
409 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200410 show_boot_progress (44);
wdenkc6097192002-11-03 00:24:07 +0000411
412 if (*ep) {
413 if (*ep != ':') {
414 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200415 show_boot_progress (-45);
wdenkc6097192002-11-03 00:24:07 +0000416 return 1;
417 }
418 part = simple_strtoul(++ep, NULL, 16);
419 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200420 show_boot_progress (45);
Denis Peter78827512007-04-13 09:13:33 +0200421 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
Heiko Schocherfad63402007-07-13 09:54:17 +0200422 show_boot_progress (-46);
wdenkc6097192002-11-03 00:24:07 +0000423 return 1;
424 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200425 show_boot_progress (46);
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200426 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
427 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
wdenkc6097192002-11-03 00:24:07 +0000428 printf ("\n** Invalid partition type \"%.32s\""
429 " (expect \"" BOOT_PART_TYPE "\")\n",
430 info.type);
Heiko Schocherfad63402007-07-13 09:54:17 +0200431 show_boot_progress (-47);
wdenkc6097192002-11-03 00:24:07 +0000432 return 1;
433 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200434 show_boot_progress (47);
wdenkc6097192002-11-03 00:24:07 +0000435
436 printf ("\nLoading from IDE device %d, partition %d: "
437 "Name: %.32s Type: %.32s\n",
438 dev, part, info.name, info.type);
439
wdenk1a344f22005-02-03 23:00:49 +0000440 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
wdenkc6097192002-11-03 00:24:07 +0000441 info.start, info.size, info.blksz);
442
443 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
444 printf ("** Read error on %d:%d\n", dev, part);
Heiko Schocherfad63402007-07-13 09:54:17 +0200445 show_boot_progress (-48);
wdenkc6097192002-11-03 00:24:07 +0000446 return 1;
447 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200448 show_boot_progress (48);
wdenkc6097192002-11-03 00:24:07 +0000449
Marian Balakowicz9a4daad2008-02-29 14:58:34 +0100450 switch (genimg_get_format ((void *)addr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100451 case IMAGE_FORMAT_LEGACY:
452 hdr = (image_header_t *)addr;
wdenkc6097192002-11-03 00:24:07 +0000453
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100454 show_boot_progress (49);
455
456 if (!image_check_hcrc (hdr)) {
457 puts ("\n** Bad Header Checksum **\n");
458 show_boot_progress (-50);
459 return 1;
460 }
461 show_boot_progress (50);
462
463 image_print_contents (hdr);
464
465 cnt = image_get_image_size (hdr);
466 break;
467#if defined(CONFIG_FIT)
468 case IMAGE_FORMAT_FIT:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100469 fit_hdr = (const void *)addr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100470 puts ("Fit image detected...\n");
471
472 cnt = fit_get_size (fit_hdr);
473 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100474#endif
475 default:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100476 show_boot_progress (-49);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100477 puts ("** Unknown image type\n");
wdenkc6097192002-11-03 00:24:07 +0000478 return 1;
479 }
480
wdenk1a344f22005-02-03 23:00:49 +0000481 cnt += info.blksz - 1;
482 cnt /= info.blksz;
483 cnt -= 1;
484
wdenkc6097192002-11-03 00:24:07 +0000485 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
486 (ulong *)(addr+info.blksz)) != cnt) {
487 printf ("** Read error on %d:%d\n", dev, part);
Heiko Schocherfad63402007-07-13 09:54:17 +0200488 show_boot_progress (-51);
wdenkc6097192002-11-03 00:24:07 +0000489 return 1;
490 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200491 show_boot_progress (51);
wdenkc6097192002-11-03 00:24:07 +0000492
Marian Balakowicz09475f72008-03-12 10:33:01 +0100493#if defined(CONFIG_FIT)
494 /* This cannot be done earlier, we need complete FIT image in RAM first */
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200495 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
496 if (!fit_check_format (fit_hdr)) {
497 show_boot_progress (-140);
498 puts ("** Bad FIT image format\n");
499 return 1;
500 }
501 show_boot_progress (141);
502 fit_print_contents (fit_hdr);
503 }
Marian Balakowicz09475f72008-03-12 10:33:01 +0100504#endif
wdenkc6097192002-11-03 00:24:07 +0000505
506 /* Loading ok, update default load address */
507
508 load_addr = addr;
509
510 /* Check if we should attempt an auto-start */
511 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
512 char *local_args[2];
513 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
514
515 local_args[0] = argv[0];
516 local_args[1] = NULL;
517
518 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
519
520 do_bootm (cmdtp, 0, 1, local_args);
521 rcode = 1;
522 }
523 return rcode;
524}
525
526/* ------------------------------------------------------------------------- */
527
Stefan Roesef2302d42008-08-06 14:05:38 +0200528void inline
529__ide_outb(int dev, int port, unsigned char val)
530{
531 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200532 dev, port, val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
533 outb(val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
Stefan Roesef2302d42008-08-06 14:05:38 +0200534}
535void inline ide_outb (int dev, int port, unsigned char val)
536 __attribute__((weak, alias("__ide_outb")));
537
538unsigned char inline
539__ide_inb(int dev, int port)
540{
541 uchar val;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200542 val = inb((ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
Stefan Roesef2302d42008-08-06 14:05:38 +0200543 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200544 dev, port, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)), val);
Stefan Roesef2302d42008-08-06 14:05:38 +0200545 return val;
546}
547unsigned char inline ide_inb(int dev, int port)
548 __attribute__((weak, alias("__ide_inb")));
549
Steven A. Falco36c2d302008-08-15 15:34:10 -0400550#ifdef CONFIG_TUNE_PIO
551int inline
552__ide_set_piomode(int pio_mode)
553{
554 return 0;
555}
556int inline ide_set_piomode(int pio_mode)
557 __attribute__((weak, alias("__ide_set_piomode")));
558#endif
559
wdenkc6097192002-11-03 00:24:07 +0000560void ide_init (void)
561{
wdenkc6097192002-11-03 00:24:07 +0000562
563#ifdef CONFIG_IDE_8xx_DIRECT
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200564 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
wdenkc6097192002-11-03 00:24:07 +0000565 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
566#endif
567 unsigned char c;
568 int i, bus;
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200569#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
Wolfgang Denk9045f332007-06-08 10:24:58 +0200570 unsigned int ata_reset_time = ATA_RESET_TIME;
571 char *s;
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200572#endif
wdenkc7de8292002-11-19 11:04:11 +0000573#ifdef CONFIG_AMIGAONEG3SE
574 unsigned int max_bus_scan;
wdenkc7de8292002-11-19 11:04:11 +0000575#endif
wdenk9fd5e312003-12-07 23:55:12 +0000576#ifdef CONFIG_IDE_8xx_PCCARD
577 extern int pcmcia_on (void);
578 extern int ide_devices_found; /* Initialized in check_ide_device() */
579#endif /* CONFIG_IDE_8xx_PCCARD */
580
581#ifdef CONFIG_IDE_PREINIT
wdenk4d13cba2004-03-14 14:09:05 +0000582 extern int ide_preinit (void);
wdenk9fd5e312003-12-07 23:55:12 +0000583 WATCHDOG_RESET();
584
585 if (ide_preinit ()) {
586 puts ("ide_preinit failed\n");
587 return;
588 }
589#endif /* CONFIG_IDE_PREINIT */
wdenkc6097192002-11-03 00:24:07 +0000590
591#ifdef CONFIG_IDE_8xx_PCCARD
592 extern int pcmcia_on (void);
wdenk6069ff22003-02-28 00:49:47 +0000593 extern int ide_devices_found; /* Initialized in check_ide_device() */
wdenkc6097192002-11-03 00:24:07 +0000594
595 WATCHDOG_RESET();
596
wdenk6069ff22003-02-28 00:49:47 +0000597 ide_devices_found = 0;
wdenkc6097192002-11-03 00:24:07 +0000598 /* initialize the PCMCIA IDE adapter card */
wdenk6069ff22003-02-28 00:49:47 +0000599 pcmcia_on();
600 if (!ide_devices_found)
wdenkc6097192002-11-03 00:24:07 +0000601 return;
602 udelay (1000000); /* 1 s */
603#endif /* CONFIG_IDE_8xx_PCCARD */
604
605 WATCHDOG_RESET();
606
wdenk15647dc2003-10-09 19:00:25 +0000607#ifdef CONFIG_IDE_8xx_DIRECT
wdenkc6097192002-11-03 00:24:07 +0000608 /* Initialize PIO timing tables */
609 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
wdenk1a344f22005-02-03 23:00:49 +0000610 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
611 gd->bus_clk);
612 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
613 gd->bus_clk);
614 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
615 gd->bus_clk);
616 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
617 " len=%3d ns/%d clk"
618 " hold=%2d ns/%d clk\n",
619 i,
620 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
621 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
622 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
wdenkc6097192002-11-03 00:24:07 +0000623 }
wdenk15647dc2003-10-09 19:00:25 +0000624#endif /* CONFIG_IDE_8xx_DIRECT */
wdenkc6097192002-11-03 00:24:07 +0000625
626 /* Reset the IDE just to be sure.
627 * Light LED's to show
628 */
629 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
630 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
631
632#ifdef CONFIG_IDE_8xx_DIRECT
633 /* PCMCIA / IDE initialization for common mem space */
634 pcmp->pcmc_pgcrb = 0;
wdenkc6097192002-11-03 00:24:07 +0000635
636 /* start in PIO mode 0 - most relaxed timings */
637 pio_mode = 0;
638 set_pcmcia_timing (pio_mode);
wdenk15647dc2003-10-09 19:00:25 +0000639#endif /* CONFIG_IDE_8xx_DIRECT */
wdenkc6097192002-11-03 00:24:07 +0000640
641 /*
642 * Wait for IDE to get ready.
643 * According to spec, this can take up to 31 seconds!
644 */
wdenkc7de8292002-11-19 11:04:11 +0000645#ifndef CONFIG_AMIGAONEG3SE
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200646 for (bus=0; bus<CONFIG_SYS_IDE_MAXBUS; ++bus) {
647 int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS);
wdenkc7de8292002-11-19 11:04:11 +0000648#else
649 s = getenv("ide_maxbus");
650 if (s)
wdenk1a344f22005-02-03 23:00:49 +0000651 max_bus_scan = simple_strtol(s, NULL, 10);
wdenkc7de8292002-11-19 11:04:11 +0000652 else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200653 max_bus_scan = CONFIG_SYS_IDE_MAXBUS;
wdenkc7de8292002-11-19 11:04:11 +0000654
655 for (bus=0; bus<max_bus_scan; ++bus) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200656 int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / max_bus_scan);
wdenkc7de8292002-11-19 11:04:11 +0000657#endif
wdenkc6097192002-11-03 00:24:07 +0000658
wdenk6069ff22003-02-28 00:49:47 +0000659#ifdef CONFIG_IDE_8xx_PCCARD
660 /* Skip non-ide devices from probing */
661 if ((ide_devices_found & (1 << bus)) == 0) {
662 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
663 continue;
664 }
665#endif
wdenkc6097192002-11-03 00:24:07 +0000666 printf ("Bus %d: ", bus);
667
668 ide_bus_ok[bus] = 0;
669
670 /* Select device
671 */
672 udelay (100000); /* 100 ms */
wdenk2262cfe2002-11-18 00:14:45 +0000673 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
wdenkc6097192002-11-03 00:24:07 +0000674 udelay (100000); /* 100 ms */
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200675#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
676 if ((s = getenv("ide_reset_timeout")) != NULL)
677 ata_reset_time = simple_strtol(s, NULL, 10);
wdenkc7de8292002-11-19 11:04:11 +0000678#endif
wdenkc6097192002-11-03 00:24:07 +0000679 i = 0;
680 do {
681 udelay (10000); /* 10 ms */
682
wdenk2262cfe2002-11-18 00:14:45 +0000683 c = ide_inb (dev, ATA_STATUS);
wdenkc6097192002-11-03 00:24:07 +0000684 i++;
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200685#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
wdenkc7de8292002-11-19 11:04:11 +0000686 if (i > (ata_reset_time * 100)) {
687#else
wdenkc6097192002-11-03 00:24:07 +0000688 if (i > (ATA_RESET_TIME * 100)) {
wdenkc7de8292002-11-19 11:04:11 +0000689#endif
wdenkc6097192002-11-03 00:24:07 +0000690 puts ("** Timeout **\n");
691 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
wdenkc7de8292002-11-19 11:04:11 +0000692#ifdef CONFIG_AMIGAONEG3SE
693 /* If this is the second bus, the first one was OK */
wdenkc40b2952004-03-13 23:29:43 +0000694 if (bus != 0) {
wdenk1a344f22005-02-03 23:00:49 +0000695 ide_bus_ok[bus] = 0;
696 goto skip_bus;
wdenkc7de8292002-11-19 11:04:11 +0000697 }
698#endif
wdenkc6097192002-11-03 00:24:07 +0000699 return;
700 }
701 if ((i >= 100) && ((i%100)==0)) {
702 putc ('.');
703 }
704 } while (c & ATA_STAT_BUSY);
705
706 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
707 puts ("not available ");
wdenk1a344f22005-02-03 23:00:49 +0000708 debug ("Status = 0x%02X ", c);
wdenkc6097192002-11-03 00:24:07 +0000709#ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
710 } else if ((c & ATA_STAT_READY) == 0) {
711 puts ("not available ");
wdenk1a344f22005-02-03 23:00:49 +0000712 debug ("Status = 0x%02X ", c);
wdenkc6097192002-11-03 00:24:07 +0000713#endif
714 } else {
715 puts ("OK ");
716 ide_bus_ok[bus] = 1;
717 }
718 WATCHDOG_RESET();
719 }
wdenkc7de8292002-11-19 11:04:11 +0000720
721#ifdef CONFIG_AMIGAONEG3SE
722 skip_bus:
723#endif
wdenkc6097192002-11-03 00:24:07 +0000724 putc ('\n');
725
726 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
727
728 curr_device = -1;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200729 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
wdenkc6097192002-11-03 00:24:07 +0000730#ifdef CONFIG_IDE_LED
731 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
732#endif
wdenk5cf9da42003-11-07 13:42:26 +0000733 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
wdenkc6097192002-11-03 00:24:07 +0000734 ide_dev_desc[i].if_type=IF_TYPE_IDE;
735 ide_dev_desc[i].dev=i;
736 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
737 ide_dev_desc[i].blksz=0;
738 ide_dev_desc[i].lba=0;
739 ide_dev_desc[i].block_read=ide_read;
740 if (!ide_bus_ok[IDE_BUS(i)])
741 continue;
742 ide_led (led, 1); /* LED on */
743 ide_ident(&ide_dev_desc[i]);
744 ide_led (led, 0); /* LED off */
745 dev_print(&ide_dev_desc[i]);
746/* ide_print (i); */
747 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
748 init_part (&ide_dev_desc[i]); /* initialize partition type */
749 if (curr_device < 0)
750 curr_device = i;
751 }
752 }
753 WATCHDOG_RESET();
754}
755
756/* ------------------------------------------------------------------------- */
757
758block_dev_desc_t * ide_get_dev(int dev)
759{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200760 return (dev < CONFIG_SYS_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
wdenkc6097192002-11-03 00:24:07 +0000761}
762
763
764#ifdef CONFIG_IDE_8xx_DIRECT
765
766static void
767set_pcmcia_timing (int pmode)
768{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200769 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
wdenkc6097192002-11-03 00:24:07 +0000770 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
771 ulong timings;
772
wdenk1a344f22005-02-03 23:00:49 +0000773 debug ("Set timing for PIO Mode %d\n", pmode);
wdenkc6097192002-11-03 00:24:07 +0000774
775 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
776 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
777 | PCMCIA_SL (pio_config_clk[pmode].t_length)
778 ;
779
780 /* IDE 0
781 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200782 pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0;
783 pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0
784#if (CONFIG_SYS_PCMCIA_POR0 != 0)
wdenkc6097192002-11-03 00:24:07 +0000785 | timings
786#endif
787 ;
wdenk1a344f22005-02-03 23:00:49 +0000788 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
wdenkc6097192002-11-03 00:24:07 +0000789
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200790 pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1;
791 pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1
792#if (CONFIG_SYS_PCMCIA_POR1 != 0)
wdenkc6097192002-11-03 00:24:07 +0000793 | timings
794#endif
795 ;
wdenk1a344f22005-02-03 23:00:49 +0000796 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
wdenkc6097192002-11-03 00:24:07 +0000797
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200798 pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2;
799 pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2
800#if (CONFIG_SYS_PCMCIA_POR2 != 0)
wdenkc6097192002-11-03 00:24:07 +0000801 | timings
802#endif
803 ;
wdenk1a344f22005-02-03 23:00:49 +0000804 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
wdenkc6097192002-11-03 00:24:07 +0000805
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200806 pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3;
807 pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3
808#if (CONFIG_SYS_PCMCIA_POR3 != 0)
wdenkc6097192002-11-03 00:24:07 +0000809 | timings
810#endif
811 ;
wdenk1a344f22005-02-03 23:00:49 +0000812 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
wdenkc6097192002-11-03 00:24:07 +0000813
814 /* IDE 1
815 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200816 pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4;
817 pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4
818#if (CONFIG_SYS_PCMCIA_POR4 != 0)
wdenkc6097192002-11-03 00:24:07 +0000819 | timings
820#endif
821 ;
wdenk1a344f22005-02-03 23:00:49 +0000822 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
wdenkc6097192002-11-03 00:24:07 +0000823
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200824 pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5;
825 pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5
826#if (CONFIG_SYS_PCMCIA_POR5 != 0)
wdenkc6097192002-11-03 00:24:07 +0000827 | timings
828#endif
829 ;
wdenk1a344f22005-02-03 23:00:49 +0000830 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
wdenkc6097192002-11-03 00:24:07 +0000831
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200832 pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6;
833 pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6
834#if (CONFIG_SYS_PCMCIA_POR6 != 0)
wdenkc6097192002-11-03 00:24:07 +0000835 | timings
836#endif
837 ;
wdenk1a344f22005-02-03 23:00:49 +0000838 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
wdenkc6097192002-11-03 00:24:07 +0000839
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200840 pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7;
841 pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7
842#if (CONFIG_SYS_PCMCIA_POR7 != 0)
wdenkc6097192002-11-03 00:24:07 +0000843 | timings
844#endif
845 ;
wdenk1a344f22005-02-03 23:00:49 +0000846 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
wdenkc6097192002-11-03 00:24:07 +0000847
848}
849
850#endif /* CONFIG_IDE_8xx_DIRECT */
851
852/* ------------------------------------------------------------------------- */
853
wdenk2262cfe2002-11-18 00:14:45 +0000854#ifdef __PPC__
wdenkcceb8712003-06-23 18:12:28 +0000855# ifdef CONFIG_AMIGAONEG3SE
wdenkc7de8292002-11-19 11:04:11 +0000856static void
857output_data_short(int dev, ulong *sect_buf, int words)
858{
859 ushort *dbuf;
860 volatile ushort *pbuf;
wdenk8bde7f72003-06-27 21:31:46 +0000861
wdenkc7de8292002-11-19 11:04:11 +0000862 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
863 dbuf = (ushort *)sect_buf;
864 while (words--) {
wdenk5cf91d62004-04-23 20:32:05 +0000865 EIEIO;
wdenkc7de8292002-11-19 11:04:11 +0000866 *pbuf = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000867 EIEIO;
wdenkc7de8292002-11-19 11:04:11 +0000868 }
869
870 if (words&1)
wdenk1a344f22005-02-03 23:00:49 +0000871 *pbuf = 0;
wdenkc7de8292002-11-19 11:04:11 +0000872}
wdenkcceb8712003-06-23 18:12:28 +0000873# endif /* CONFIG_AMIGAONEG3SE */
wdenk5da627a2003-10-09 20:09:04 +0000874#endif /* __PPC_ */
wdenkc7de8292002-11-19 11:04:11 +0000875
wdenk5da627a2003-10-09 20:09:04 +0000876/* We only need to swap data if we are running on a big endian cpu. */
877/* But Au1x00 cpu:s already swaps data in big endian mode! */
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200878#if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
wdenk5da627a2003-10-09 20:09:04 +0000879#define input_swap_data(x,y,z) input_data(x,y,z)
880#else
wdenkc6097192002-11-03 00:24:07 +0000881static void
882input_swap_data(int dev, ulong *sect_buf, int words)
883{
wdenk1a344f22005-02-03 23:00:49 +0000884#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000885 uchar i;
886 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
887 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
888 ushort *dbuf = (ushort *)sect_buf;
889
890 while (words--) {
891 for (i=0; i<2; i++) {
892 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
893 *(uchar *)dbuf = *pbuf_odd;
894 dbuf+=1;
895 }
896 }
wdenkf4733a02005-03-06 01:21:30 +0000897#else
wdenk1a344f22005-02-03 23:00:49 +0000898 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
899 ushort *dbuf = (ushort *)sect_buf;
900
901 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
902
903 while (words--) {
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200904#ifdef __MIPS__
905 *dbuf++ = swab16p((u16*)pbuf);
906 *dbuf++ = swab16p((u16*)pbuf);
Heiko Schocher566a4942007-06-22 19:11:54 +0200907#elif defined(CONFIG_PCS440EP)
908 *dbuf++ = *pbuf;
909 *dbuf++ = *pbuf;
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200910#else
wdenk1a344f22005-02-03 23:00:49 +0000911 *dbuf++ = ld_le16(pbuf);
912 *dbuf++ = ld_le16(pbuf);
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200913#endif /* !MIPS */
wdenk1a344f22005-02-03 23:00:49 +0000914 }
915#endif
wdenkc6097192002-11-03 00:24:07 +0000916}
wdenk5da627a2003-10-09 20:09:04 +0000917#endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
wdenkc6097192002-11-03 00:24:07 +0000918
wdenk2262cfe2002-11-18 00:14:45 +0000919
Nobuhiro Iwamatsueda3e1e2007-09-23 02:42:38 +0900920#if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
wdenkc6097192002-11-03 00:24:07 +0000921static void
922output_data(int dev, ulong *sect_buf, int words)
923{
wdenk1a344f22005-02-03 23:00:49 +0000924#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000925 uchar *dbuf;
926 volatile uchar *pbuf_even;
927 volatile uchar *pbuf_odd;
928
929 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
930 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
931 dbuf = (uchar *)sect_buf;
932 while (words--) {
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++;
wdenk5cf91d62004-04-23 20:32:05 +0000937 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000938 *pbuf_even = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000939 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000940 *pbuf_odd = *dbuf++;
941 }
wdenk1a344f22005-02-03 23:00:49 +0000942#else
943 ushort *dbuf;
944 volatile ushort *pbuf;
945
946 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
947 dbuf = (ushort *)sect_buf;
948 while (words--) {
Heiko Schocher566a4942007-06-22 19:11:54 +0200949#if defined(CONFIG_PCS440EP)
950 /* not tested, because CF was write protected */
951 EIEIO;
952 *pbuf = ld_le16(dbuf++);
953 EIEIO;
954 *pbuf = ld_le16(dbuf++);
955#else
wdenk1a344f22005-02-03 23:00:49 +0000956 EIEIO;
957 *pbuf = *dbuf++;
958 EIEIO;
959 *pbuf = *dbuf++;
Heiko Schocher566a4942007-06-22 19:11:54 +0200960#endif
wdenk1a344f22005-02-03 23:00:49 +0000961 }
962#endif
wdenkc6097192002-11-03 00:24:07 +0000963}
wdenk2262cfe2002-11-18 00:14:45 +0000964#else /* ! __PPC__ */
965static void
966output_data(int dev, ulong *sect_buf, int words)
967{
wdenk15647dc2003-10-09 19:00:25 +0000968 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
wdenk2262cfe2002-11-18 00:14:45 +0000969}
970#endif /* __PPC__ */
wdenkc6097192002-11-03 00:24:07 +0000971
Nobuhiro Iwamatsueda3e1e2007-09-23 02:42:38 +0900972#if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
wdenkc6097192002-11-03 00:24:07 +0000973static void
974input_data(int dev, ulong *sect_buf, int words)
975{
wdenk1a344f22005-02-03 23:00:49 +0000976#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000977 uchar *dbuf;
978 volatile uchar *pbuf_even;
979 volatile uchar *pbuf_odd;
980
981 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
982 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
983 dbuf = (uchar *)sect_buf;
984 while (words--) {
wdenka522fa02004-01-04 22:51:12 +0000985 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +0000986 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000987 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000988 *dbuf++ = *pbuf_odd;
wdenk5cf91d62004-04-23 20:32:05 +0000989 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000990 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000991 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +0000992 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000993 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000994 *dbuf++ = *pbuf_odd;
wdenk1a344f22005-02-03 23:00:49 +0000995 EIEIO;
996 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000997 }
wdenk1a344f22005-02-03 23:00:49 +0000998#else
999 ushort *dbuf;
1000 volatile ushort *pbuf;
1001
1002 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1003 dbuf = (ushort *)sect_buf;
1004
1005 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
1006
1007 while (words--) {
Heiko Schocher566a4942007-06-22 19:11:54 +02001008#if defined(CONFIG_PCS440EP)
1009 EIEIO;
1010 *dbuf++ = ld_le16(pbuf);
1011 EIEIO;
1012 *dbuf++ = ld_le16(pbuf);
1013#else
wdenk1a344f22005-02-03 23:00:49 +00001014 EIEIO;
1015 *dbuf++ = *pbuf;
1016 EIEIO;
1017 *dbuf++ = *pbuf;
Heiko Schocher566a4942007-06-22 19:11:54 +02001018#endif
wdenk1a344f22005-02-03 23:00:49 +00001019 }
1020#endif
wdenkc6097192002-11-03 00:24:07 +00001021}
wdenk2262cfe2002-11-18 00:14:45 +00001022#else /* ! __PPC__ */
1023static void
1024input_data(int dev, ulong *sect_buf, int words)
1025{
wdenk15647dc2003-10-09 19:00:25 +00001026 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
wdenk2262cfe2002-11-18 00:14:45 +00001027}
1028
1029#endif /* __PPC__ */
wdenkc6097192002-11-03 00:24:07 +00001030
wdenkc7de8292002-11-19 11:04:11 +00001031#ifdef CONFIG_AMIGAONEG3SE
1032static void
1033input_data_short(int dev, ulong *sect_buf, int words)
1034{
1035 ushort *dbuf;
1036 volatile ushort *pbuf;
1037
1038 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1039 dbuf = (ushort *)sect_buf;
1040 while (words--) {
wdenk5cf91d62004-04-23 20:32:05 +00001041 EIEIO;
wdenkc7de8292002-11-19 11:04:11 +00001042 *dbuf++ = *pbuf;
wdenk5cf91d62004-04-23 20:32:05 +00001043 EIEIO;
wdenkc7de8292002-11-19 11:04:11 +00001044 }
1045
wdenkc40b2952004-03-13 23:29:43 +00001046 if (words&1) {
wdenk1a344f22005-02-03 23:00:49 +00001047 ushort dummy;
1048 dummy = *pbuf;
wdenkc7de8292002-11-19 11:04:11 +00001049 }
1050}
1051#endif
1052
wdenkc6097192002-11-03 00:24:07 +00001053/* -------------------------------------------------------------------------
1054 */
1055static void ide_ident (block_dev_desc_t *dev_desc)
1056{
1057 ulong iobuf[ATA_SECTORWORDS];
1058 unsigned char c;
1059 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1060
wdenkc7de8292002-11-19 11:04:11 +00001061#ifdef CONFIG_AMIGAONEG3SE
1062 int max_bus_scan;
wdenkc7de8292002-11-19 11:04:11 +00001063 char *s;
wdenk64f70be2004-09-28 20:34:50 +00001064#endif
1065#ifdef CONFIG_ATAPI
1066 int retries = 0;
wdenkc7de8292002-11-19 11:04:11 +00001067 int do_retry = 0;
1068#endif
1069
Steven A. Falco36c2d302008-08-15 15:34:10 -04001070#ifdef CONFIG_TUNE_PIO
1071 int pio_mode;
1072#endif
1073
wdenkc6097192002-11-03 00:24:07 +00001074#if 0
1075 int mode, cycle_time;
1076#endif
1077 int device;
1078 device=dev_desc->dev;
1079 printf (" Device %d: ", device);
1080
wdenkc7de8292002-11-19 11:04:11 +00001081#ifdef CONFIG_AMIGAONEG3SE
1082 s = getenv("ide_maxbus");
1083 if (s) {
1084 max_bus_scan = simple_strtol(s, NULL, 10);
1085 } else {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001086 max_bus_scan = CONFIG_SYS_IDE_MAXBUS;
wdenkc7de8292002-11-19 11:04:11 +00001087 }
1088 if (device >= max_bus_scan*2) {
1089 dev_desc->type=DEV_TYPE_UNKNOWN;
1090 return;
1091 }
1092#endif
1093
wdenkc6097192002-11-03 00:24:07 +00001094 ide_led (DEVICE_LED(device), 1); /* LED on */
1095 /* Select device
1096 */
wdenk2262cfe2002-11-18 00:14:45 +00001097 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001098 dev_desc->if_type=IF_TYPE_IDE;
1099#ifdef CONFIG_ATAPI
wdenkc7de8292002-11-19 11:04:11 +00001100
wdenkc7de8292002-11-19 11:04:11 +00001101 do_retry = 0;
1102 retries = 0;
1103
1104 /* Warning: This will be tricky to read */
wdenkc40b2952004-03-13 23:29:43 +00001105 while (retries <= 1) {
wdenkc6097192002-11-03 00:24:07 +00001106 /* check signature */
wdenk2262cfe2002-11-18 00:14:45 +00001107 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1108 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1109 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1110 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
wdenkc6097192002-11-03 00:24:07 +00001111 /* ATAPI Signature found */
1112 dev_desc->if_type=IF_TYPE_ATAPI;
1113 /* Start Ident Command
1114 */
wdenk2262cfe2002-11-18 00:14:45 +00001115 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
wdenkc6097192002-11-03 00:24:07 +00001116 /*
1117 * Wait for completion - ATAPI devices need more time
1118 * to become ready
1119 */
1120 c = ide_wait (device, ATAPI_TIME_OUT);
wdenkc40b2952004-03-13 23:29:43 +00001121 } else
wdenkc6097192002-11-03 00:24:07 +00001122#endif
1123 {
1124 /* Start Ident Command
1125 */
wdenk2262cfe2002-11-18 00:14:45 +00001126 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
wdenkc6097192002-11-03 00:24:07 +00001127
1128 /* Wait for completion
1129 */
1130 c = ide_wait (device, IDE_TIME_OUT);
1131 }
1132 ide_led (DEVICE_LED(device), 0); /* LED off */
1133
1134 if (((c & ATA_STAT_DRQ) == 0) ||
1135 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
wdenk64f70be2004-09-28 20:34:50 +00001136#ifdef CONFIG_ATAPI
wdenkc7de8292002-11-19 11:04:11 +00001137#ifdef CONFIG_AMIGAONEG3SE
wdenk64f70be2004-09-28 20:34:50 +00001138 s = getenv("ide_doreset");
1139 if (s && strcmp(s, "on") == 0)
1140#endif
wdenk1a344f22005-02-03 23:00:49 +00001141 {
1142 /* Need to soft reset the device in case it's an ATAPI... */
1143 debug ("Retrying...\n");
1144 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1145 udelay(100000);
1146 ide_outb (device, ATA_COMMAND, 0x08);
1147 udelay (500000); /* 500 ms */
1148 }
wdenk64f70be2004-09-28 20:34:50 +00001149 /* Select device
1150 */
1151 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1152 retries++;
wdenkc7de8292002-11-19 11:04:11 +00001153#else
wdenkc6097192002-11-03 00:24:07 +00001154 return;
wdenk64f70be2004-09-28 20:34:50 +00001155#endif
wdenkc6097192002-11-03 00:24:07 +00001156 }
wdenk64f70be2004-09-28 20:34:50 +00001157#ifdef CONFIG_ATAPI
1158 else
1159 break;
wdenkc7de8292002-11-19 11:04:11 +00001160 } /* see above - ugly to read */
wdenk64f70be2004-09-28 20:34:50 +00001161
1162 if (retries == 2) /* Not found */
1163 return;
1164#endif
wdenkc7de8292002-11-19 11:04:11 +00001165
wdenkc6097192002-11-03 00:24:07 +00001166 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1167
Jean-Christophe PLAGNIOL-VILLARD7a60ee72007-11-07 08:19:19 +01001168 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1169 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1170 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
wdenkc3f9d492004-03-14 00:59:59 +00001171#ifdef __LITTLE_ENDIAN
1172 /*
Richard Retanubunbcdf1d22008-11-06 14:01:51 -05001173 * firmware revision, model, and serial number have Big Endian Byte
1174 * order in Word. Convert all three to little endian.
wdenkc3f9d492004-03-14 00:59:59 +00001175 *
1176 * See CF+ and CompactFlash Specification Revision 2.0:
Richard Retanubunbcdf1d22008-11-06 14:01:51 -05001177 * 6.2.1.6: Identify Drive, Table 39 for more details
wdenkc3f9d492004-03-14 00:59:59 +00001178 */
1179
1180 strswab (dev_desc->revision);
1181 strswab (dev_desc->vendor);
Richard Retanubunbcdf1d22008-11-06 14:01:51 -05001182 strswab (dev_desc->product);
wdenkc3f9d492004-03-14 00:59:59 +00001183#endif /* __LITTLE_ENDIAN */
wdenkc6097192002-11-03 00:24:07 +00001184
1185 if ((iop->config & 0x0080)==0x0080)
1186 dev_desc->removable = 1;
1187 else
1188 dev_desc->removable = 0;
1189
Steven A. Falco36c2d302008-08-15 15:34:10 -04001190#ifdef CONFIG_TUNE_PIO
1191 /* Mode 0 - 2 only, are directly determined by word 51. */
1192 pio_mode = iop->tPIO;
1193 if (pio_mode > 2) {
1194 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode);
1195 pio_mode = 0; /* Force it to dead slow, and hope for the best... */
1196 }
1197
1198 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1199 * shall set bit 1 of word 53 to one and support the fields contained
1200 * in words 64 through 70.
1201 */
1202 if (iop->field_valid & 0x02) {
1203 /* Mode 3 and above are possible. Check in order from slow
1204 * to fast, so we wind up with the highest mode allowed.
1205 */
1206 if (iop->eide_pio_modes & 0x01)
1207 pio_mode = 3;
1208 if (iop->eide_pio_modes & 0x02)
1209 pio_mode = 4;
1210 if (ata_id_is_cfa((u16 *)iop)) {
1211 if ((iop->cf_advanced_caps & 0x07) == 0x01)
1212 pio_mode = 5;
1213 if ((iop->cf_advanced_caps & 0x07) == 0x02)
1214 pio_mode = 6;
1215 }
1216 }
1217
1218 /* System-specific, depends on bus speeds, etc. */
1219 ide_set_piomode(pio_mode);
1220#endif /* CONFIG_TUNE_PIO */
1221
wdenkc6097192002-11-03 00:24:07 +00001222#if 0
1223 /*
1224 * Drive PIO mode autoselection
1225 */
1226 mode = iop->tPIO;
1227
1228 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1229 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1230 mode = 2;
wdenk1a344f22005-02-03 23:00:49 +00001231 debug ("Override tPIO -> 2\n");
wdenkc6097192002-11-03 00:24:07 +00001232 }
1233 if (iop->field_valid & 2) { /* drive implements ATA2? */
wdenk1a344f22005-02-03 23:00:49 +00001234 debug ("Drive implements ATA2\n");
wdenkc6097192002-11-03 00:24:07 +00001235 if (iop->capability & 8) { /* drive supports use_iordy? */
1236 cycle_time = iop->eide_pio_iordy;
1237 } else {
1238 cycle_time = iop->eide_pio;
1239 }
wdenk1a344f22005-02-03 23:00:49 +00001240 debug ("cycle time = %d\n", cycle_time);
wdenkc6097192002-11-03 00:24:07 +00001241 mode = 4;
1242 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1243 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1244 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1245 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1246 }
1247 printf ("PIO mode to use: PIO %d\n", mode);
1248#endif /* 0 */
1249
1250#ifdef CONFIG_ATAPI
1251 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1252 atapi_inquiry(dev_desc);
1253 return;
1254 }
1255#endif /* CONFIG_ATAPI */
1256
wdenkc3f9d492004-03-14 00:59:59 +00001257#ifdef __BIG_ENDIAN
wdenkc6097192002-11-03 00:24:07 +00001258 /* swap shorts */
1259 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
wdenkc3f9d492004-03-14 00:59:59 +00001260#else /* ! __BIG_ENDIAN */
1261 /*
1262 * do not swap shorts on little endian
1263 *
1264 * See CF+ and CompactFlash Specification Revision 2.0:
1265 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1266 */
1267 dev_desc->lba = iop->lba_capacity;
1268#endif /* __BIG_ENDIAN */
wdenkc40b2952004-03-13 23:29:43 +00001269
wdenk42dfe7a2004-03-14 22:25:36 +00001270#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001271 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
wdenk6e592382004-04-18 17:39:38 +00001272 dev_desc->lba48 = 1;
1273 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
wdenkc40b2952004-03-13 23:29:43 +00001274 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1275 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1276 ((unsigned long long)iop->lba48_capacity[3] << 48);
1277 } else {
wdenkc40b2952004-03-13 23:29:43 +00001278 dev_desc->lba48 = 0;
1279 }
1280#endif /* CONFIG_LBA48 */
wdenkc6097192002-11-03 00:24:07 +00001281 /* assuming HD */
1282 dev_desc->type=DEV_TYPE_HARDDISK;
1283 dev_desc->blksz=ATA_BLOCKSIZE;
1284 dev_desc->lun=0; /* just to fill something in... */
1285
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001286#if 0 /* only used to test the powersaving mode,
wdenkc6097192002-11-03 00:24:07 +00001287 * if enabled, the drive goes after 5 sec
1288 * in standby mode */
wdenk2262cfe2002-11-18 00:14:45 +00001289 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001290 c = ide_wait (device, IDE_TIME_OUT);
wdenk2262cfe2002-11-18 00:14:45 +00001291 ide_outb (device, ATA_SECT_CNT, 1);
1292 ide_outb (device, ATA_LBA_LOW, 0);
1293 ide_outb (device, ATA_LBA_MID, 0);
1294 ide_outb (device, ATA_LBA_HIGH, 0);
wdenk1a344f22005-02-03 23:00:49 +00001295 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenk2262cfe2002-11-18 00:14:45 +00001296 ide_outb (device, ATA_COMMAND, 0xe3);
wdenkc6097192002-11-03 00:24:07 +00001297 udelay (50);
1298 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1299#endif
1300}
1301
1302
1303/* ------------------------------------------------------------------------- */
1304
Grant Likelyeb867a72007-02-20 09:05:45 +01001305ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
wdenkc6097192002-11-03 00:24:07 +00001306{
1307 ulong n = 0;
1308 unsigned char c;
1309 unsigned char pwrsave=0; /* power save */
wdenk42dfe7a2004-03-14 22:25:36 +00001310#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001311 unsigned char lba48 = 0;
wdenkc6097192002-11-03 00:24:07 +00001312
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001313 if (blknr & 0x0000fffff0000000ULL) {
wdenkc40b2952004-03-13 23:29:43 +00001314 /* more than 28 bits used, use 48bit mode */
1315 lba48 = 1;
1316 }
1317#endif
Mike Frysinger6c6166f2009-02-16 23:21:36 -05001318 debug ("ide_read dev %d start %LX, blocks %lX buffer at %lX\n",
wdenkc6097192002-11-03 00:24:07 +00001319 device, blknr, blkcnt, (ulong)buffer);
1320
1321 ide_led (DEVICE_LED(device), 1); /* LED on */
1322
1323 /* Select device
1324 */
wdenk2262cfe2002-11-18 00:14:45 +00001325 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001326 c = ide_wait (device, IDE_TIME_OUT);
1327
1328 if (c & ATA_STAT_BUSY) {
1329 printf ("IDE read: device %d not ready\n", device);
1330 goto IDE_READ_E;
1331 }
1332
1333 /* first check if the drive is in Powersaving mode, if yes,
1334 * increase the timeout value */
wdenk2262cfe2002-11-18 00:14:45 +00001335 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
wdenkc6097192002-11-03 00:24:07 +00001336 udelay (50);
1337
1338 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1339
1340 if (c & ATA_STAT_BUSY) {
1341 printf ("IDE read: device %d not ready\n", device);
1342 goto IDE_READ_E;
1343 }
1344 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1345 printf ("No Powersaving mode %X\n", c);
1346 } else {
wdenk2262cfe2002-11-18 00:14:45 +00001347 c = ide_inb(device,ATA_SECT_CNT);
wdenk1a344f22005-02-03 23:00:49 +00001348 debug ("Powersaving %02X\n",c);
wdenkc6097192002-11-03 00:24:07 +00001349 if(c==0)
1350 pwrsave=1;
1351 }
1352
1353
1354 while (blkcnt-- > 0) {
1355
1356 c = ide_wait (device, IDE_TIME_OUT);
1357
1358 if (c & ATA_STAT_BUSY) {
1359 printf ("IDE read: device %d not ready\n", device);
1360 break;
1361 }
wdenk42dfe7a2004-03-14 22:25:36 +00001362#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001363 if (lba48) {
1364 /* write high bits */
1365 ide_outb (device, ATA_SECT_CNT, 0);
1366 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001367#ifdef CONFIG_SYS_64BIT_LBA
wdenkc40b2952004-03-13 23:29:43 +00001368 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1369 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001370#else
1371 ide_outb (device, ATA_LBA_MID, 0);
1372 ide_outb (device, ATA_LBA_HIGH, 0);
1373#endif
wdenkc40b2952004-03-13 23:29:43 +00001374 }
1375#endif
wdenk2262cfe2002-11-18 00:14:45 +00001376 ide_outb (device, ATA_SECT_CNT, 1);
1377 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1378 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1379 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
wdenkc40b2952004-03-13 23:29:43 +00001380
wdenk42dfe7a2004-03-14 22:25:36 +00001381#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001382 if (lba48) {
1383 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1384 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1385
1386 } else
1387#endif
1388 {
1389 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1390 ATA_DEVICE(device) |
1391 ((blknr >> 24) & 0xF) );
1392 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1393 }
wdenkc6097192002-11-03 00:24:07 +00001394
1395 udelay (50);
1396
1397 if(pwrsave) {
1398 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1399 pwrsave=0;
1400 } else {
1401 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1402 }
1403
1404 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001405#if defined(CONFIG_SYS_64BIT_LBA) && defined(CONFIG_SYS_64BIT_VSPRINTF)
Mike Frysinger6c6166f2009-02-16 23:21:36 -05001406 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
wdenkc6097192002-11-03 00:24:07 +00001407 device, blknr, c);
wdenkc40b2952004-03-13 23:29:43 +00001408#else
1409 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1410 device, (ulong)blknr, c);
1411#endif
wdenkc6097192002-11-03 00:24:07 +00001412 break;
1413 }
1414
1415 input_data (device, buffer, ATA_SECTORWORDS);
wdenk2262cfe2002-11-18 00:14:45 +00001416 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
wdenkc6097192002-11-03 00:24:07 +00001417
1418 ++n;
1419 ++blknr;
Greg Lopp0b945042007-04-13 08:02:24 +02001420 buffer += ATA_BLOCKSIZE;
wdenkc6097192002-11-03 00:24:07 +00001421 }
1422IDE_READ_E:
1423 ide_led (DEVICE_LED(device), 0); /* LED off */
1424 return (n);
1425}
1426
1427/* ------------------------------------------------------------------------- */
1428
1429
Grant Likelyeb867a72007-02-20 09:05:45 +01001430ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
wdenkc6097192002-11-03 00:24:07 +00001431{
1432 ulong n = 0;
1433 unsigned char c;
wdenk42dfe7a2004-03-14 22:25:36 +00001434#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001435 unsigned char lba48 = 0;
1436
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001437 if (blknr & 0x0000fffff0000000ULL) {
wdenkc40b2952004-03-13 23:29:43 +00001438 /* more than 28 bits used, use 48bit mode */
1439 lba48 = 1;
1440 }
1441#endif
wdenkc6097192002-11-03 00:24:07 +00001442
1443 ide_led (DEVICE_LED(device), 1); /* LED on */
1444
1445 /* Select device
1446 */
wdenk2262cfe2002-11-18 00:14:45 +00001447 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001448
1449 while (blkcnt-- > 0) {
1450
1451 c = ide_wait (device, IDE_TIME_OUT);
1452
1453 if (c & ATA_STAT_BUSY) {
1454 printf ("IDE read: device %d not ready\n", device);
1455 goto WR_OUT;
1456 }
wdenk42dfe7a2004-03-14 22:25:36 +00001457#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001458 if (lba48) {
1459 /* write high bits */
1460 ide_outb (device, ATA_SECT_CNT, 0);
1461 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001462#ifdef CONFIG_SYS_64BIT_LBA
wdenkc40b2952004-03-13 23:29:43 +00001463 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1464 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001465#else
1466 ide_outb (device, ATA_LBA_MID, 0);
1467 ide_outb (device, ATA_LBA_HIGH, 0);
1468#endif
wdenkc40b2952004-03-13 23:29:43 +00001469 }
1470#endif
wdenk2262cfe2002-11-18 00:14:45 +00001471 ide_outb (device, ATA_SECT_CNT, 1);
1472 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1473 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1474 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
wdenkc40b2952004-03-13 23:29:43 +00001475
wdenk42dfe7a2004-03-14 22:25:36 +00001476#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001477 if (lba48) {
1478 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1479 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1480
1481 } else
1482#endif
1483 {
1484 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1485 ATA_DEVICE(device) |
1486 ((blknr >> 24) & 0xF) );
1487 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1488 }
wdenkc6097192002-11-03 00:24:07 +00001489
1490 udelay (50);
1491
1492 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1493
1494 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001495#if defined(CONFIG_SYS_64BIT_LBA) && defined(CONFIG_SYS_64BIT_VSPRINTF)
Mike Frysinger6c6166f2009-02-16 23:21:36 -05001496 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
wdenkc6097192002-11-03 00:24:07 +00001497 device, blknr, c);
wdenkc40b2952004-03-13 23:29:43 +00001498#else
1499 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1500 device, (ulong)blknr, c);
1501#endif
wdenkc6097192002-11-03 00:24:07 +00001502 goto WR_OUT;
1503 }
1504
1505 output_data (device, buffer, ATA_SECTORWORDS);
wdenk2262cfe2002-11-18 00:14:45 +00001506 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
wdenkc6097192002-11-03 00:24:07 +00001507 ++n;
1508 ++blknr;
Greg Lopp0b945042007-04-13 08:02:24 +02001509 buffer += ATA_BLOCKSIZE;
wdenkc6097192002-11-03 00:24:07 +00001510 }
1511WR_OUT:
1512 ide_led (DEVICE_LED(device), 0); /* LED off */
1513 return (n);
1514}
1515
1516/* ------------------------------------------------------------------------- */
1517
1518/*
1519 * copy src to dest, skipping leading and trailing blanks and null
1520 * terminate the string
wdenk7d7ce412004-03-17 01:13:07 +00001521 * "len" is the size of available memory including the terminating '\0'
wdenkc6097192002-11-03 00:24:07 +00001522 */
wdenk7d7ce412004-03-17 01:13:07 +00001523static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
wdenkc6097192002-11-03 00:24:07 +00001524{
wdenk7d7ce412004-03-17 01:13:07 +00001525 unsigned char *end, *last;
wdenkc6097192002-11-03 00:24:07 +00001526
wdenk7d7ce412004-03-17 01:13:07 +00001527 last = dst;
wdenk6fb6af62004-03-23 23:20:24 +00001528 end = src + len - 1;
wdenk7d7ce412004-03-17 01:13:07 +00001529
1530 /* reserve space for '\0' */
1531 if (len < 2)
1532 goto OUT;
wdenkefa329c2004-03-23 20:18:25 +00001533
wdenk7d7ce412004-03-17 01:13:07 +00001534 /* skip leading white space */
1535 while ((*src) && (src<end) && (*src==' '))
1536 ++src;
1537
1538 /* copy string, omitting trailing white space */
1539 while ((*src) && (src<end)) {
1540 *dst++ = *src;
1541 if (*src++ != ' ')
1542 last = dst;
wdenkc6097192002-11-03 00:24:07 +00001543 }
wdenk7d7ce412004-03-17 01:13:07 +00001544OUT:
1545 *last = '\0';
wdenkc6097192002-11-03 00:24:07 +00001546}
1547
1548/* ------------------------------------------------------------------------- */
1549
1550/*
1551 * Wait until Busy bit is off, or timeout (in ms)
1552 * Return last status
1553 */
1554static uchar ide_wait (int dev, ulong t)
1555{
1556 ulong delay = 10 * t; /* poll every 100 us */
1557 uchar c;
1558
wdenk2262cfe2002-11-18 00:14:45 +00001559 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
wdenkc6097192002-11-03 00:24:07 +00001560 udelay (100);
1561 if (delay-- == 0) {
1562 break;
1563 }
1564 }
1565 return (c);
1566}
1567
1568/* ------------------------------------------------------------------------- */
1569
1570#ifdef CONFIG_IDE_RESET
1571extern void ide_set_reset(int idereset);
1572
1573static void ide_reset (void)
1574{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001575#if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR)
1576 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
wdenkc6097192002-11-03 00:24:07 +00001577#endif
1578 int i;
1579
1580 curr_device = -1;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001581 for (i=0; i<CONFIG_SYS_IDE_MAXBUS; ++i)
wdenkc6097192002-11-03 00:24:07 +00001582 ide_bus_ok[i] = 0;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001583 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i)
wdenkc6097192002-11-03 00:24:07 +00001584 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1585
1586 ide_set_reset (1); /* assert reset */
1587
Martin Krausee175eac2008-04-03 13:37:56 +02001588 /* the reset signal shall be asserted for et least 25 us */
1589 udelay(25);
1590
wdenkc6097192002-11-03 00:24:07 +00001591 WATCHDOG_RESET();
1592
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001593#ifdef CONFIG_SYS_PB_12V_ENABLE
1594 immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE); /* 12V Enable output OFF */
1595 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_12V_ENABLE);
1596 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_12V_ENABLE);
1597 immr->im_cpm.cp_pbdir |= CONFIG_SYS_PB_12V_ENABLE;
wdenkc6097192002-11-03 00:24:07 +00001598
1599 /* wait 500 ms for the voltage to stabilize
1600 */
1601 for (i=0; i<500; ++i) {
1602 udelay (1000);
1603 }
1604
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001605 immr->im_cpm.cp_pbdat |= CONFIG_SYS_PB_12V_ENABLE; /* 12V Enable output ON */
1606#endif /* CONFIG_SYS_PB_12V_ENABLE */
wdenkc6097192002-11-03 00:24:07 +00001607
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001608#ifdef CONFIG_SYS_PB_IDE_MOTOR
wdenkc6097192002-11-03 00:24:07 +00001609 /* configure IDE Motor voltage monitor pin as input */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001610 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1611 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1612 immr->im_cpm.cp_pbdir &= ~(CONFIG_SYS_PB_IDE_MOTOR);
wdenkc6097192002-11-03 00:24:07 +00001613
1614 /* wait up to 1 s for the motor voltage to stabilize
1615 */
1616 for (i=0; i<1000; ++i) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001617 if ((immr->im_cpm.cp_pbdat & CONFIG_SYS_PB_IDE_MOTOR) != 0) {
wdenkc6097192002-11-03 00:24:07 +00001618 break;
1619 }
1620 udelay (1000);
1621 }
1622
1623 if (i == 1000) { /* Timeout */
1624 printf ("\nWarning: 5V for IDE Motor missing\n");
1625# ifdef CONFIG_STATUS_LED
1626# ifdef STATUS_LED_YELLOW
1627 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1628# endif
1629# ifdef STATUS_LED_GREEN
1630 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1631# endif
1632# endif /* CONFIG_STATUS_LED */
1633 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001634#endif /* CONFIG_SYS_PB_IDE_MOTOR */
wdenkc6097192002-11-03 00:24:07 +00001635
1636 WATCHDOG_RESET();
1637
1638 /* de-assert RESET signal */
1639 ide_set_reset(0);
1640
1641 /* wait 250 ms */
1642 for (i=0; i<250; ++i) {
1643 udelay (1000);
1644 }
1645}
1646
1647#endif /* CONFIG_IDE_RESET */
1648
1649/* ------------------------------------------------------------------------- */
1650
wdenke2ffd592004-12-31 09:32:47 +00001651#if defined(CONFIG_IDE_LED) && \
1652 !defined(CONFIG_AMIGAONEG3SE)&& \
1653 !defined(CONFIG_CPC45) && \
1654 !defined(CONFIG_HMI10) && \
1655 !defined(CONFIG_KUP4K) && \
1656 !defined(CONFIG_KUP4X)
wdenkc6097192002-11-03 00:24:07 +00001657
1658static uchar led_buffer = 0; /* Buffer for current LED status */
1659
1660static void ide_led (uchar led, uchar status)
1661{
1662 uchar *led_port = LED_PORT;
1663
1664 if (status) { /* switch LED on */
1665 led_buffer |= led;
1666 } else { /* switch LED off */
1667 led_buffer &= ~led;
1668 }
1669
1670 *led_port = led_buffer;
1671}
1672
1673#endif /* CONFIG_IDE_LED */
1674
1675/* ------------------------------------------------------------------------- */
1676
1677#ifdef CONFIG_ATAPI
1678/****************************************************************************
1679 * ATAPI Support
1680 */
1681
wdenkdb01a2e2004-04-15 23:14:49 +00001682#if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
wdenkc6097192002-11-03 00:24:07 +00001683/* since ATAPI may use commands with not 4 bytes alligned length
1684 * we have our own transfer functions, 2 bytes alligned */
1685static void
1686output_data_shorts(int dev, ushort *sect_buf, int shorts)
1687{
wdenk1a344f22005-02-03 23:00:49 +00001688#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +00001689 uchar *dbuf;
1690 volatile uchar *pbuf_even;
1691 volatile uchar *pbuf_odd;
1692
1693 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1694 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1695 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001696 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001697 *pbuf_even = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +00001698 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001699 *pbuf_odd = *dbuf++;
1700 }
wdenk1a344f22005-02-03 23:00:49 +00001701#else
wdenkc6097192002-11-03 00:24:07 +00001702 ushort *dbuf;
1703 volatile ushort *pbuf;
1704
1705 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1706 dbuf = (ushort *)sect_buf;
wdenkdb01a2e2004-04-15 23:14:49 +00001707
wdenk1a344f22005-02-03 23:00:49 +00001708 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
wdenkdb01a2e2004-04-15 23:14:49 +00001709
wdenkc6097192002-11-03 00:24:07 +00001710 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001711 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +00001712 *pbuf = *dbuf++;
wdenkc6097192002-11-03 00:24:07 +00001713 }
wdenk1a344f22005-02-03 23:00:49 +00001714#endif
1715}
1716
1717static void
1718input_data_shorts(int dev, ushort *sect_buf, int shorts)
1719{
1720#if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +00001721 uchar *dbuf;
1722 volatile uchar *pbuf_even;
1723 volatile uchar *pbuf_odd;
1724
1725 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1726 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1727 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001728 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001729 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +00001730 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001731 *dbuf++ = *pbuf_odd;
1732 }
wdenk1a344f22005-02-03 23:00:49 +00001733#else
1734 ushort *dbuf;
1735 volatile ushort *pbuf;
1736
1737 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1738 dbuf = (ushort *)sect_buf;
1739
1740 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1741
1742 while (shorts--) {
1743 EIEIO;
1744 *dbuf++ = *pbuf;
1745 }
1746#endif
wdenkc6097192002-11-03 00:24:07 +00001747}
1748
wdenk2262cfe2002-11-18 00:14:45 +00001749#else /* ! __PPC__ */
1750static void
1751output_data_shorts(int dev, ushort *sect_buf, int shorts)
1752{
wdenk15647dc2003-10-09 19:00:25 +00001753 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
wdenk2262cfe2002-11-18 00:14:45 +00001754}
1755
wdenk2262cfe2002-11-18 00:14:45 +00001756static void
1757input_data_shorts(int dev, ushort *sect_buf, int shorts)
1758{
wdenk15647dc2003-10-09 19:00:25 +00001759 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
wdenk2262cfe2002-11-18 00:14:45 +00001760}
1761
1762#endif /* __PPC__ */
1763
wdenkc6097192002-11-03 00:24:07 +00001764/*
1765 * Wait until (Status & mask) == res, or timeout (in ms)
1766 * Return last status
1767 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1768 * and then they set their DRQ Bit
1769 */
1770static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1771{
1772 ulong delay = 10 * t; /* poll every 100 us */
1773 uchar c;
1774
wdenk2262cfe2002-11-18 00:14:45 +00001775 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1776 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
wdenkc6097192002-11-03 00:24:07 +00001777 /* break if error occurs (doesn't make sense to wait more) */
1778 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1779 break;
1780 udelay (100);
1781 if (delay-- == 0) {
1782 break;
1783 }
1784 }
1785 return (c);
1786}
1787
1788/*
1789 * issue an atapi command
1790 */
1791unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1792{
1793 unsigned char c,err,mask,res;
1794 int n;
1795 ide_led (DEVICE_LED(device), 1); /* LED on */
1796
1797 /* Select device
1798 */
1799 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1800 res = 0;
wdenkc7de8292002-11-19 11:04:11 +00001801#ifdef CONFIG_AMIGAONEG3SE
1802# warning THF: Removed LBA mode ???
1803#endif
wdenk2262cfe2002-11-18 00:14:45 +00001804 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001805 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1806 if ((c & mask) != res) {
1807 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1808 err=0xFF;
1809 goto AI_OUT;
1810 }
1811 /* write taskfile */
wdenk2262cfe2002-11-18 00:14:45 +00001812 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
wdenkc7de8292002-11-19 11:04:11 +00001813 ide_outb (device, ATA_SECT_CNT, 0);
1814 ide_outb (device, ATA_SECT_NUM, 0);
wdenk2262cfe2002-11-18 00:14:45 +00001815 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
wdenkc7de8292002-11-19 11:04:11 +00001816 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1817#ifdef CONFIG_AMIGAONEG3SE
1818# warning THF: Removed LBA mode ???
1819#endif
wdenk2262cfe2002-11-18 00:14:45 +00001820 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001821
wdenk2262cfe2002-11-18 00:14:45 +00001822 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
wdenkc6097192002-11-03 00:24:07 +00001823 udelay (50);
1824
1825 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1826 res = ATA_STAT_DRQ;
1827 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1828
1829 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
Steven A. Falco4afbef92008-08-15 15:37:31 -04001830 printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
wdenkc6097192002-11-03 00:24:07 +00001831 err=0xFF;
1832 goto AI_OUT;
1833 }
1834
1835 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001836 /* ATAPI Command written wait for completition */
wdenkc6097192002-11-03 00:24:07 +00001837 udelay (5000); /* device must set bsy */
1838
1839 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1840 /* if no data wait for DRQ = 0 BSY = 0
1841 * if data wait for DRQ = 1 BSY = 0 */
1842 res=0;
1843 if(buflen)
1844 res = ATA_STAT_DRQ;
1845 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1846 if ((c & mask) != res ) {
1847 if (c & ATA_STAT_ERR) {
wdenk2262cfe2002-11-18 00:14:45 +00001848 err=(ide_inb(device,ATA_ERROR_REG))>>4;
wdenk1a344f22005-02-03 23:00:49 +00001849 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
wdenkc6097192002-11-03 00:24:07 +00001850 } else {
Steven A. Falco4afbef92008-08-15 15:37:31 -04001851 printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
wdenkc6097192002-11-03 00:24:07 +00001852 err=0xFF;
1853 }
1854 goto AI_OUT;
1855 }
wdenk2262cfe2002-11-18 00:14:45 +00001856 n=ide_inb(device, ATA_CYL_HIGH);
wdenkc6097192002-11-03 00:24:07 +00001857 n<<=8;
wdenk2262cfe2002-11-18 00:14:45 +00001858 n+=ide_inb(device, ATA_CYL_LOW);
wdenkc6097192002-11-03 00:24:07 +00001859 if(n>buflen) {
1860 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1861 err=0xff;
1862 goto AI_OUT;
1863 }
1864 if((n==0)&&(buflen<0)) {
1865 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1866 err=0xff;
1867 goto AI_OUT;
1868 }
1869 if(n!=buflen) {
wdenk1a344f22005-02-03 23:00:49 +00001870 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
wdenkc6097192002-11-03 00:24:07 +00001871 }
1872 if(n!=0) { /* data transfer */
wdenk1a344f22005-02-03 23:00:49 +00001873 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
wdenkc6097192002-11-03 00:24:07 +00001874 /* we transfer shorts */
1875 n>>=1;
1876 /* ok now decide if it is an in or output */
wdenk2262cfe2002-11-18 00:14:45 +00001877 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
wdenk1a344f22005-02-03 23:00:49 +00001878 debug ("Write to device\n");
wdenkc6097192002-11-03 00:24:07 +00001879 output_data_shorts(device,(unsigned short *)buffer,n);
1880 } else {
wdenk1a344f22005-02-03 23:00:49 +00001881 debug ("Read from device @ %p shorts %d\n",buffer,n);
wdenkc6097192002-11-03 00:24:07 +00001882 input_data_shorts(device,(unsigned short *)buffer,n);
1883 }
1884 }
1885 udelay(5000); /* seems that some CD ROMs need this... */
1886 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1887 res=0;
1888 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1889 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
wdenk2262cfe2002-11-18 00:14:45 +00001890 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
wdenk1a344f22005-02-03 23:00:49 +00001891 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
wdenkc6097192002-11-03 00:24:07 +00001892 } else {
1893 err = 0;
1894 }
1895AI_OUT:
1896 ide_led (DEVICE_LED(device), 0); /* LED off */
1897 return (err);
1898}
1899
1900/*
1901 * sending the command to atapi_issue. If an status other than good
1902 * returns, an request_sense will be issued
1903 */
1904
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001905#define ATAPI_DRIVE_NOT_READY 100
wdenkc6097192002-11-03 00:24:07 +00001906#define ATAPI_UNIT_ATTN 10
1907
1908unsigned char atapi_issue_autoreq (int device,
1909 unsigned char* ccb,
1910 int ccblen,
1911 unsigned char *buffer,
1912 int buflen)
1913{
1914 unsigned char sense_data[18],sense_ccb[12];
1915 unsigned char res,key,asc,ascq;
1916 int notready,unitattn;
1917
wdenkc7de8292002-11-19 11:04:11 +00001918#ifdef CONFIG_AMIGAONEG3SE
1919 char *s;
1920 unsigned int timeout, retrycnt;
1921
1922 s = getenv("ide_cd_timeout");
1923 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1924
1925 retrycnt = 0;
1926#endif
1927
wdenkc6097192002-11-03 00:24:07 +00001928 unitattn=ATAPI_UNIT_ATTN;
1929 notready=ATAPI_DRIVE_NOT_READY;
1930
1931retry:
1932 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1933 if (res==0)
1934 return (0); /* Ok */
1935
1936 if (res==0xFF)
1937 return (0xFF); /* error */
1938
wdenk1a344f22005-02-03 23:00:49 +00001939 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
wdenkc6097192002-11-03 00:24:07 +00001940
1941 memset(sense_ccb,0,sizeof(sense_ccb));
1942 memset(sense_data,0,sizeof(sense_data));
1943 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
wdenkc7de8292002-11-19 11:04:11 +00001944 sense_ccb[4]=18; /* allocation Length */
wdenkc6097192002-11-03 00:24:07 +00001945
1946 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1947 key=(sense_data[2]&0xF);
1948 asc=(sense_data[12]);
1949 ascq=(sense_data[13]);
1950
wdenk1a344f22005-02-03 23:00:49 +00001951 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1952 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
wdenkc6097192002-11-03 00:24:07 +00001953 sense_data[0],
1954 key,
1955 asc,
1956 ascq);
1957
1958 if((key==0))
1959 return 0; /* ok device ready */
1960
1961 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1962 if(unitattn-->0) {
1963 udelay(200*1000);
1964 goto retry;
1965 }
1966 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1967 goto error;
1968 }
1969 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1970 if (notready-->0) {
1971 udelay(200*1000);
1972 goto retry;
1973 }
1974 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1975 goto error;
1976 }
1977 if(asc==0x3a) {
wdenk1a344f22005-02-03 23:00:49 +00001978 debug ("Media not present\n");
wdenkc6097192002-11-03 00:24:07 +00001979 goto error;
1980 }
wdenkc7de8292002-11-19 11:04:11 +00001981
1982#ifdef CONFIG_AMIGAONEG3SE
1983 if ((sense_data[2]&0xF)==0x0B) {
wdenk1a344f22005-02-03 23:00:49 +00001984 debug ("ABORTED COMMAND...retry\n");
wdenkc7de8292002-11-19 11:04:11 +00001985 if (retrycnt++ < 4)
1986 goto retry;
1987 return (0xFF);
1988 }
1989
1990 if ((sense_data[2]&0xf) == 0x02 &&
1991 sense_data[12] == 0x04 &&
1992 sense_data[13] == 0x01 ) {
wdenk1a344f22005-02-03 23:00:49 +00001993 debug ("Waiting for unit to become active\n");
wdenkc7de8292002-11-19 11:04:11 +00001994 udelay(timeout);
1995 if (retrycnt++ < 4)
1996 goto retry;
1997 return 0xFF;
1998 }
1999#endif /* CONFIG_AMIGAONEG3SE */
2000
wdenkc6097192002-11-03 00:24:07 +00002001 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
2002error:
wdenk1a344f22005-02-03 23:00:49 +00002003 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
wdenkc6097192002-11-03 00:24:07 +00002004 return (0xFF);
2005}
2006
2007
wdenkc6097192002-11-03 00:24:07 +00002008static void atapi_inquiry(block_dev_desc_t * dev_desc)
2009{
2010 unsigned char ccb[12]; /* Command descriptor block */
2011 unsigned char iobuf[64]; /* temp buf */
2012 unsigned char c;
2013 int device;
2014
2015 device=dev_desc->dev;
2016 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
2017 dev_desc->block_read=atapi_read;
2018
2019 memset(ccb,0,sizeof(ccb));
2020 memset(iobuf,0,sizeof(iobuf));
2021
2022 ccb[0]=ATAPI_CMD_INQUIRY;
2023 ccb[4]=40; /* allocation Legnth */
2024 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
2025
wdenk1a344f22005-02-03 23:00:49 +00002026 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00002027 if (c!=0)
2028 return;
2029
2030 /* copy device ident strings */
Jean-Christophe PLAGNIOL-VILLARD7a60ee72007-11-07 08:19:19 +01002031 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
2032 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
2033 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
wdenkc6097192002-11-03 00:24:07 +00002034
2035 dev_desc->lun=0;
2036 dev_desc->lba=0;
2037 dev_desc->blksz=0;
2038 dev_desc->type=iobuf[0] & 0x1f;
2039
2040 if ((iobuf[1]&0x80)==0x80)
2041 dev_desc->removable = 1;
2042 else
2043 dev_desc->removable = 0;
2044
2045 memset(ccb,0,sizeof(ccb));
2046 memset(iobuf,0,sizeof(iobuf));
2047 ccb[0]=ATAPI_CMD_START_STOP;
2048 ccb[4]=0x03; /* start */
2049
2050 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2051
wdenk1a344f22005-02-03 23:00:49 +00002052 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00002053 if (c!=0)
2054 return;
2055
2056 memset(ccb,0,sizeof(ccb));
2057 memset(iobuf,0,sizeof(iobuf));
2058 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2059
wdenk1a344f22005-02-03 23:00:49 +00002060 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00002061 if (c!=0)
2062 return;
2063
2064 memset(ccb,0,sizeof(ccb));
2065 memset(iobuf,0,sizeof(iobuf));
2066 ccb[0]=ATAPI_CMD_READ_CAP;
2067 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
wdenk1a344f22005-02-03 23:00:49 +00002068 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00002069 if (c!=0)
2070 return;
2071
wdenk1a344f22005-02-03 23:00:49 +00002072 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
wdenkc6097192002-11-03 00:24:07 +00002073 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2074 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2075
2076 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2077 ((unsigned long)iobuf[1]<<16) +
2078 ((unsigned long)iobuf[2]<< 8) +
2079 ((unsigned long)iobuf[3]);
2080 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2081 ((unsigned long)iobuf[5]<<16) +
2082 ((unsigned long)iobuf[6]<< 8) +
2083 ((unsigned long)iobuf[7]);
wdenk42dfe7a2004-03-14 22:25:36 +00002084#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00002085 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
wdenk42dfe7a2004-03-14 22:25:36 +00002086#endif
wdenkc6097192002-11-03 00:24:07 +00002087 return;
2088}
2089
2090
2091/*
2092 * atapi_read:
2093 * we transfer only one block per command, since the multiple DRQ per
2094 * command is not yet implemented
2095 */
2096#define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2097#define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2098#define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2099
Grant Likelyeb867a72007-02-20 09:05:45 +01002100ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
wdenkc6097192002-11-03 00:24:07 +00002101{
2102 ulong n = 0;
2103 unsigned char ccb[12]; /* Command descriptor block */
2104 ulong cnt;
2105
wdenk1a344f22005-02-03 23:00:49 +00002106 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
wdenkc6097192002-11-03 00:24:07 +00002107 device, blknr, blkcnt, (ulong)buffer);
2108
2109 do {
2110 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2111 cnt=ATAPI_READ_MAX_BLOCK;
2112 } else {
2113 cnt=blkcnt;
2114 }
2115 ccb[0]=ATAPI_CMD_READ_12;
2116 ccb[1]=0; /* reserved */
2117 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2118 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2119 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2120 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2121 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2122 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2123 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2124 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2125 ccb[10]=0; /* reserved */
2126 ccb[11]=0; /* reserved */
2127
2128 if (atapi_issue_autoreq(device,ccb,12,
2129 (unsigned char *)buffer,
2130 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2131 return (n);
2132 }
2133 n+=cnt;
2134 blkcnt-=cnt;
2135 blknr+=cnt;
Greg Lopp0b945042007-04-13 08:02:24 +02002136 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
wdenkc6097192002-11-03 00:24:07 +00002137 } while (blkcnt > 0);
2138 return (n);
2139}
2140
2141/* ------------------------------------------------------------------------- */
2142
2143#endif /* CONFIG_ATAPI */
2144
wdenk0d498392003-07-01 21:06:45 +00002145U_BOOT_CMD(
2146 ide, 5, 1, do_ide,
Peter Tyser2fb26042009-01-27 18:03:12 -06002147 "IDE sub-system",
wdenk8bde7f72003-06-27 21:31:46 +00002148 "reset - reset IDE controller\n"
2149 "ide info - show available IDE devices\n"
2150 "ide device [dev] - show or set current device\n"
2151 "ide part [dev] - print partition table of one or all IDE devices\n"
2152 "ide read addr blk# cnt\n"
2153 "ide write addr blk# cnt - read/write `cnt'"
2154 " blocks starting at block `blk#'\n"
2155 " to/from memory address `addr'\n"
2156);
2157
wdenk0d498392003-07-01 21:06:45 +00002158U_BOOT_CMD(
2159 diskboot, 3, 1, do_diskboot,
Peter Tyser2fb26042009-01-27 18:03:12 -06002160 "boot from IDE device",
wdenk8bde7f72003-06-27 21:31:46 +00002161 "loadAddr dev:part\n"
2162);