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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 */
Albert Aribaud113bfe42010-08-08 05:17:06 +053028
wdenkc6097192002-11-03 00:24:07 +000029#include <common.h>
30#include <config.h>
31#include <watchdog.h>
32#include <command.h>
33#include <image.h>
34#include <asm/byteorder.h>
Heiko Schocherf98984c2007-08-28 17:39:14 +020035#include <asm/io.h>
Grant Likely735dd972007-02-20 09:04:34 +010036
wdenkc6097192002-11-03 00:24:07 +000037#if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
38# include <pcmcia.h>
39#endif
Grant Likely735dd972007-02-20 09:04:34 +010040
wdenkc6097192002-11-03 00:24:07 +000041#ifdef CONFIG_8xx
42# include <mpc8xx.h>
43#endif
Grant Likely735dd972007-02-20 09:04:34 +010044
wdenk132ba5f2004-02-27 08:20:54 +000045#ifdef CONFIG_MPC5xxx
46#include <mpc5xxx.h>
47#endif
Grant Likely735dd972007-02-20 09:04:34 +010048
Albert Aribaud113bfe42010-08-08 05:17:06 +053049#ifdef CONFIG_ORION5X
50#include <asm/arch/orion5x.h>
Prafulla Wadaskar5f305002010-08-07 17:29:44 +053051#elif defined CONFIG_KIRKWOOD
52#include <asm/arch/kirkwood.h>
Albert Aribaud113bfe42010-08-08 05:17:06 +053053#endif
54
wdenkc6097192002-11-03 00:24:07 +000055#include <ide.h>
56#include <ata.h>
Grant Likely735dd972007-02-20 09:04:34 +010057
wdenkc6097192002-11-03 00:24:07 +000058#ifdef CONFIG_STATUS_LED
59# include <status_led.h>
60#endif
Grant Likely735dd972007-02-20 09:04:34 +010061
Wolfgang Denkd87080b2006-03-31 18:32:53 +020062#ifdef CONFIG_IDE_8xx_DIRECT
63DECLARE_GLOBAL_DATA_PTR;
64#endif
65
wdenk5cf91d62004-04-23 20:32:05 +000066#ifdef __PPC__
67# define EIEIO __asm__ volatile ("eieio")
wdenk1a344f22005-02-03 23:00:49 +000068# define SYNC __asm__ volatile ("sync")
wdenk5cf91d62004-04-23 20:32:05 +000069#else
70# define EIEIO /* nothing */
wdenk1a344f22005-02-03 23:00:49 +000071# define SYNC /* nothing */
wdenkc6097192002-11-03 00:24:07 +000072#endif
73
wdenk15647dc2003-10-09 19:00:25 +000074#ifdef CONFIG_IDE_8xx_DIRECT
wdenkc6097192002-11-03 00:24:07 +000075/* Timings for IDE Interface
76 *
77 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
78 * 70 165 30 PIO-Mode 0, [ns]
79 * 4 9 2 [Cycles]
80 * 50 125 20 PIO-Mode 1, [ns]
81 * 3 7 2 [Cycles]
82 * 30 100 15 PIO-Mode 2, [ns]
83 * 2 6 1 [Cycles]
84 * 30 80 10 PIO-Mode 3, [ns]
85 * 2 5 1 [Cycles]
86 * 25 70 10 PIO-Mode 4, [ns]
87 * 2 4 1 [Cycles]
88 */
89
90const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
91{
92 /* Setup Length Hold */
93 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
94 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
95 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
96 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
97 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
98};
99
100static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
101
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200102#ifndef CONFIG_SYS_PIO_MODE
103#define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */
wdenkc6097192002-11-03 00:24:07 +0000104#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200105static int pio_mode = CONFIG_SYS_PIO_MODE;
wdenkc6097192002-11-03 00:24:07 +0000106
107/* Make clock cycles and always round up */
108
109#define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
110
wdenk15647dc2003-10-09 19:00:25 +0000111#endif /* CONFIG_IDE_8xx_DIRECT */
112
wdenkc6097192002-11-03 00:24:07 +0000113/* ------------------------------------------------------------------------- */
114
115/* Current I/O Device */
116static int curr_device = -1;
117
118/* Current offset for IDE0 / IDE1 bus access */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200119ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
120#if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
121 CONFIG_SYS_ATA_IDE0_OFFSET,
wdenkc6097192002-11-03 00:24:07 +0000122#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200123#if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
124 CONFIG_SYS_ATA_IDE1_OFFSET,
wdenkc6097192002-11-03 00:24:07 +0000125#endif
126};
127
wdenk15647dc2003-10-09 19:00:25 +0000128
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200129static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
wdenkc6097192002-11-03 00:24:07 +0000130
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200131block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
wdenkc6097192002-11-03 00:24:07 +0000132/* ------------------------------------------------------------------------- */
133
134#ifdef CONFIG_IDE_LED
Wolfgang Denk953b7e62010-06-13 18:28:54 +0200135# if !defined(CONFIG_BMS2003) && \
136 !defined(CONFIG_CPC45) && \
137 !defined(CONFIG_KUP4K) && \
138 !defined(CONFIG_KUP4X)
wdenkc6097192002-11-03 00:24:07 +0000139static void ide_led (uchar led, uchar status);
140#else
wdenk1f53a412002-12-04 23:39:58 +0000141extern void ide_led (uchar led, uchar status);
142#endif
143#else
wdenkc6097192002-11-03 00:24:07 +0000144#define ide_led(a,b) /* dummy */
145#endif
146
147#ifdef CONFIG_IDE_RESET
148static void ide_reset (void);
149#else
150#define ide_reset() /* dummy */
151#endif
152
153static void ide_ident (block_dev_desc_t *dev_desc);
154static uchar ide_wait (int dev, ulong t);
155
156#define IDE_TIME_OUT 2000 /* 2 sec timeout */
157
158#define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
159
160#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
161
wdenkc6097192002-11-03 00:24:07 +0000162static void input_data(int dev, ulong *sect_buf, int words);
Wolfgang Denk96d04c32011-04-30 23:29:55 +0200163static void output_data(int dev, const ulong *sect_buf, int words);
wdenkc6097192002-11-03 00:24:07 +0000164static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
165
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200166#ifndef CONFIG_SYS_ATA_PORT_ADDR
167#define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
Heiko Schocher566a4942007-06-22 19:11:54 +0200168#endif
wdenkc6097192002-11-03 00:24:07 +0000169
170#ifdef CONFIG_ATAPI
171static void atapi_inquiry(block_dev_desc_t *dev_desc);
Grant Likelyeb867a72007-02-20 09:05:45 +0100172ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
wdenkc6097192002-11-03 00:24:07 +0000173#endif
174
175
176#ifdef CONFIG_IDE_8xx_DIRECT
177static void set_pcmcia_timing (int pmode);
wdenkc6097192002-11-03 00:24:07 +0000178#endif
179
180/* ------------------------------------------------------------------------- */
181
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200182int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenkc6097192002-11-03 00:24:07 +0000183{
184 int rcode = 0;
185
186 switch (argc) {
187 case 0:
188 case 1:
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200189 return cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000190 case 2:
191 if (strncmp(argv[1],"res",3) == 0) {
192 puts ("\nReset IDE"
193#ifdef CONFIG_IDE_8xx_DIRECT
194 " on PCMCIA " PCMCIA_SLOT_MSG
195#endif
196 ": ");
197
198 ide_init ();
199 return 0;
200 } else if (strncmp(argv[1],"inf",3) == 0) {
201 int i;
202
203 putc ('\n');
204
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200205 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
wdenkc6097192002-11-03 00:24:07 +0000206 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
207 continue; /* list only known devices */
208 printf ("IDE device %d: ", i);
209 dev_print(&ide_dev_desc[i]);
210 }
211 return 0;
212
213 } else if (strncmp(argv[1],"dev",3) == 0) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200214 if ((curr_device < 0) || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) {
wdenkc6097192002-11-03 00:24:07 +0000215 puts ("\nno IDE devices available\n");
216 return 1;
217 }
218 printf ("\nIDE device %d: ", curr_device);
219 dev_print(&ide_dev_desc[curr_device]);
220 return 0;
221 } else if (strncmp(argv[1],"part",4) == 0) {
222 int dev, ok;
223
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200224 for (ok=0, dev=0; dev<CONFIG_SYS_IDE_MAXDEVICE; ++dev) {
wdenkc6097192002-11-03 00:24:07 +0000225 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
226 ++ok;
227 if (dev)
228 putc ('\n');
229 print_part(&ide_dev_desc[dev]);
230 }
231 }
232 if (!ok) {
233 puts ("\nno IDE devices available\n");
234 rcode ++;
235 }
236 return rcode;
237 }
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200238 return cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000239 case 3:
240 if (strncmp(argv[1],"dev",3) == 0) {
241 int dev = (int)simple_strtoul(argv[2], NULL, 10);
242
243 printf ("\nIDE device %d: ", dev);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200244 if (dev >= CONFIG_SYS_IDE_MAXDEVICE) {
wdenkc6097192002-11-03 00:24:07 +0000245 puts ("unknown device\n");
246 return 1;
247 }
248 dev_print(&ide_dev_desc[dev]);
249 /*ide_print (dev);*/
250
251 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
252 return 1;
253 }
254
255 curr_device = dev;
256
257 puts ("... is now current device\n");
258
259 return 0;
260 } else if (strncmp(argv[1],"part",4) == 0) {
261 int dev = (int)simple_strtoul(argv[2], NULL, 10);
262
263 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
264 print_part(&ide_dev_desc[dev]);
265 } else {
266 printf ("\nIDE device %d not available\n", dev);
267 rcode = 1;
268 }
269 return rcode;
270#if 0
271 } else if (strncmp(argv[1],"pio",4) == 0) {
272 int mode = (int)simple_strtoul(argv[2], NULL, 10);
273
274 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
275 puts ("\nSetting ");
276 pio_mode = mode;
277 ide_init ();
278 } else {
279 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
280 mode, IDE_MAX_PIO_MODE);
281 }
282 return;
283#endif
284 }
285
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200286 return cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000287 default:
288 /* at least 4 args */
289
290 if (strcmp(argv[1],"read") == 0) {
291 ulong addr = simple_strtoul(argv[2], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000292 ulong cnt = simple_strtoul(argv[4], NULL, 16);
293 ulong n;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200294#ifdef CONFIG_SYS_64BIT_LBA
wdenk42dfe7a2004-03-14 22:25:36 +0000295 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000296
Mike Frysinger6c6166f2009-02-16 23:21:36 -0500297 printf ("\nIDE read: device %d block # %Ld, count %ld ... ",
wdenkc6097192002-11-03 00:24:07 +0000298 curr_device, blk, cnt);
wdenk42dfe7a2004-03-14 22:25:36 +0000299#else
300 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
301
302 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
303 curr_device, blk, cnt);
304#endif
wdenkc6097192002-11-03 00:24:07 +0000305
306 n = ide_dev_desc[curr_device].block_read (curr_device,
307 blk, cnt,
308 (ulong *)addr);
309 /* flush cache after read */
310 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
311
312 printf ("%ld blocks read: %s\n",
313 n, (n==cnt) ? "OK" : "ERROR");
314 if (n==cnt) {
315 return 0;
316 } else {
317 return 1;
318 }
319 } else if (strcmp(argv[1],"write") == 0) {
320 ulong addr = simple_strtoul(argv[2], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000321 ulong cnt = simple_strtoul(argv[4], NULL, 16);
322 ulong n;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200323#ifdef CONFIG_SYS_64BIT_LBA
wdenk42dfe7a2004-03-14 22:25:36 +0000324 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
wdenkc6097192002-11-03 00:24:07 +0000325
Mike Frysinger6c6166f2009-02-16 23:21:36 -0500326 printf ("\nIDE write: device %d block # %Ld, count %ld ... ",
wdenkc6097192002-11-03 00:24:07 +0000327 curr_device, blk, cnt);
wdenk42dfe7a2004-03-14 22:25:36 +0000328#else
329 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
330
331 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
332 curr_device, blk, cnt);
333#endif
wdenkc6097192002-11-03 00:24:07 +0000334
335 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
336
337 printf ("%ld blocks written: %s\n",
338 n, (n==cnt) ? "OK" : "ERROR");
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200339 if (n==cnt)
wdenkc6097192002-11-03 00:24:07 +0000340 return 0;
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200341 else
wdenkc6097192002-11-03 00:24:07 +0000342 return 1;
wdenkc6097192002-11-03 00:24:07 +0000343 } else {
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200344 return cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000345 }
346
347 return rcode;
348 }
349}
350
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200351int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenkc6097192002-11-03 00:24:07 +0000352{
353 char *boot_device = NULL;
354 char *ep;
355 int dev, part = 0;
Marian Balakowiczb97a2a02008-01-08 18:14:09 +0100356 ulong addr, cnt;
wdenkc6097192002-11-03 00:24:07 +0000357 disk_partition_t info;
358 image_header_t *hdr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100359#if defined(CONFIG_FIT)
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200360 const void *fit_hdr = NULL;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100361#endif
wdenkc6097192002-11-03 00:24:07 +0000362
Heiko Schocherfad63402007-07-13 09:54:17 +0200363 show_boot_progress (41);
wdenkc6097192002-11-03 00:24:07 +0000364 switch (argc) {
365 case 1:
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200366 addr = CONFIG_SYS_LOAD_ADDR;
wdenkc6097192002-11-03 00:24:07 +0000367 boot_device = getenv ("bootdevice");
368 break;
369 case 2:
370 addr = simple_strtoul(argv[1], NULL, 16);
371 boot_device = getenv ("bootdevice");
372 break;
373 case 3:
374 addr = simple_strtoul(argv[1], NULL, 16);
375 boot_device = argv[2];
376 break;
377 default:
Heiko Schocherfad63402007-07-13 09:54:17 +0200378 show_boot_progress (-42);
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200379 return cmd_usage(cmdtp);
wdenkc6097192002-11-03 00:24:07 +0000380 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200381 show_boot_progress (42);
wdenkc6097192002-11-03 00:24:07 +0000382
383 if (!boot_device) {
384 puts ("\n** No boot device **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200385 show_boot_progress (-43);
wdenkc6097192002-11-03 00:24:07 +0000386 return 1;
387 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200388 show_boot_progress (43);
wdenkc6097192002-11-03 00:24:07 +0000389
390 dev = simple_strtoul(boot_device, &ep, 16);
391
392 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
393 printf ("\n** Device %d not available\n", dev);
Heiko Schocherfad63402007-07-13 09:54:17 +0200394 show_boot_progress (-44);
wdenkc6097192002-11-03 00:24:07 +0000395 return 1;
396 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200397 show_boot_progress (44);
wdenkc6097192002-11-03 00:24:07 +0000398
399 if (*ep) {
400 if (*ep != ':') {
401 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200402 show_boot_progress (-45);
wdenkc6097192002-11-03 00:24:07 +0000403 return 1;
404 }
405 part = simple_strtoul(++ep, NULL, 16);
406 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200407 show_boot_progress (45);
Denis Peter78827512007-04-13 09:13:33 +0200408 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
Heiko Schocherfad63402007-07-13 09:54:17 +0200409 show_boot_progress (-46);
wdenkc6097192002-11-03 00:24:07 +0000410 return 1;
411 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200412 show_boot_progress (46);
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200413 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
414 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
wdenkc6097192002-11-03 00:24:07 +0000415 printf ("\n** Invalid partition type \"%.32s\""
416 " (expect \"" BOOT_PART_TYPE "\")\n",
417 info.type);
Heiko Schocherfad63402007-07-13 09:54:17 +0200418 show_boot_progress (-47);
wdenkc6097192002-11-03 00:24:07 +0000419 return 1;
420 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200421 show_boot_progress (47);
wdenkc6097192002-11-03 00:24:07 +0000422
423 printf ("\nLoading from IDE device %d, partition %d: "
424 "Name: %.32s Type: %.32s\n",
425 dev, part, info.name, info.type);
426
wdenk1a344f22005-02-03 23:00:49 +0000427 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
wdenkc6097192002-11-03 00:24:07 +0000428 info.start, info.size, info.blksz);
429
430 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
431 printf ("** Read error on %d:%d\n", dev, part);
Heiko Schocherfad63402007-07-13 09:54:17 +0200432 show_boot_progress (-48);
wdenkc6097192002-11-03 00:24:07 +0000433 return 1;
434 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200435 show_boot_progress (48);
wdenkc6097192002-11-03 00:24:07 +0000436
Marian Balakowicz9a4daad2008-02-29 14:58:34 +0100437 switch (genimg_get_format ((void *)addr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100438 case IMAGE_FORMAT_LEGACY:
439 hdr = (image_header_t *)addr;
wdenkc6097192002-11-03 00:24:07 +0000440
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100441 show_boot_progress (49);
442
443 if (!image_check_hcrc (hdr)) {
444 puts ("\n** Bad Header Checksum **\n");
445 show_boot_progress (-50);
446 return 1;
447 }
448 show_boot_progress (50);
449
450 image_print_contents (hdr);
451
452 cnt = image_get_image_size (hdr);
453 break;
454#if defined(CONFIG_FIT)
455 case IMAGE_FORMAT_FIT:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100456 fit_hdr = (const void *)addr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100457 puts ("Fit image detected...\n");
458
459 cnt = fit_get_size (fit_hdr);
460 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100461#endif
462 default:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100463 show_boot_progress (-49);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100464 puts ("** Unknown image type\n");
wdenkc6097192002-11-03 00:24:07 +0000465 return 1;
466 }
467
wdenk1a344f22005-02-03 23:00:49 +0000468 cnt += info.blksz - 1;
469 cnt /= info.blksz;
470 cnt -= 1;
471
wdenkc6097192002-11-03 00:24:07 +0000472 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
473 (ulong *)(addr+info.blksz)) != cnt) {
474 printf ("** Read error on %d:%d\n", dev, part);
Heiko Schocherfad63402007-07-13 09:54:17 +0200475 show_boot_progress (-51);
wdenkc6097192002-11-03 00:24:07 +0000476 return 1;
477 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200478 show_boot_progress (51);
wdenkc6097192002-11-03 00:24:07 +0000479
Marian Balakowicz09475f72008-03-12 10:33:01 +0100480#if defined(CONFIG_FIT)
481 /* This cannot be done earlier, we need complete FIT image in RAM first */
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200482 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
483 if (!fit_check_format (fit_hdr)) {
484 show_boot_progress (-140);
485 puts ("** Bad FIT image format\n");
486 return 1;
487 }
488 show_boot_progress (141);
489 fit_print_contents (fit_hdr);
490 }
Marian Balakowicz09475f72008-03-12 10:33:01 +0100491#endif
wdenkc6097192002-11-03 00:24:07 +0000492
493 /* Loading ok, update default load address */
494
495 load_addr = addr;
496
Mike Frysinger67d668b2011-06-05 13:43:02 +0000497 return bootm_maybe_autostart(cmdtp, argv[0]);
wdenkc6097192002-11-03 00:24:07 +0000498}
499
500/* ------------------------------------------------------------------------- */
501
Stefan Roesef2302d42008-08-06 14:05:38 +0200502void inline
503__ide_outb(int dev, int port, unsigned char val)
504{
505 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200506 dev, port, val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
Macpaul Lin0abddf82011-04-11 20:45:32 +0000507
508#if defined(CONFIG_IDE_AHB)
509 if (port) {
510 /* write command */
511 ide_write_register(dev, port, val);
512 } else {
513 /* write data */
514 outb(val, (ATA_CURR_BASE(dev)));
515 }
516#else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200517 outb(val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
Macpaul Lin0abddf82011-04-11 20:45:32 +0000518#endif
Stefan Roesef2302d42008-08-06 14:05:38 +0200519}
Macpaul Lin0abddf82011-04-11 20:45:32 +0000520
Kim Phillips2df72b82009-05-19 12:53:36 -0500521void ide_outb (int dev, int port, unsigned char val)
Stefan Roesef2302d42008-08-06 14:05:38 +0200522 __attribute__((weak, alias("__ide_outb")));
523
524unsigned char inline
525__ide_inb(int dev, int port)
526{
527 uchar val;
Macpaul Lin0abddf82011-04-11 20:45:32 +0000528
529#if defined(CONFIG_IDE_AHB)
530 val = ide_read_register(dev, port);
531#else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200532 val = inb((ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
Macpaul Lin0abddf82011-04-11 20:45:32 +0000533#endif
534
Stefan Roesef2302d42008-08-06 14:05:38 +0200535 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200536 dev, port, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)), val);
Stefan Roesef2302d42008-08-06 14:05:38 +0200537 return val;
538}
Kim Phillips2df72b82009-05-19 12:53:36 -0500539unsigned char ide_inb(int dev, int port)
Stefan Roesef2302d42008-08-06 14:05:38 +0200540 __attribute__((weak, alias("__ide_inb")));
541
Steven A. Falco36c2d302008-08-15 15:34:10 -0400542#ifdef CONFIG_TUNE_PIO
543int inline
544__ide_set_piomode(int pio_mode)
545{
546 return 0;
547}
548int inline ide_set_piomode(int pio_mode)
549 __attribute__((weak, alias("__ide_set_piomode")));
550#endif
551
wdenkc6097192002-11-03 00:24:07 +0000552void ide_init (void)
553{
wdenkc6097192002-11-03 00:24:07 +0000554
555#ifdef CONFIG_IDE_8xx_DIRECT
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200556 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
wdenkc6097192002-11-03 00:24:07 +0000557 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
558#endif
559 unsigned char c;
560 int i, bus;
Wolfgang Denk953b7e62010-06-13 18:28:54 +0200561#if defined(CONFIG_SC3)
Wolfgang Denk9045f332007-06-08 10:24:58 +0200562 unsigned int ata_reset_time = ATA_RESET_TIME;
Wolfgang Denk51056dd2007-04-11 17:22:55 +0200563#endif
wdenk9fd5e312003-12-07 23:55:12 +0000564#ifdef CONFIG_IDE_8xx_PCCARD
565 extern int pcmcia_on (void);
566 extern int ide_devices_found; /* Initialized in check_ide_device() */
567#endif /* CONFIG_IDE_8xx_PCCARD */
568
569#ifdef CONFIG_IDE_PREINIT
wdenk4d13cba2004-03-14 14:09:05 +0000570 extern int ide_preinit (void);
wdenk9fd5e312003-12-07 23:55:12 +0000571 WATCHDOG_RESET();
572
573 if (ide_preinit ()) {
574 puts ("ide_preinit failed\n");
575 return;
576 }
577#endif /* CONFIG_IDE_PREINIT */
wdenkc6097192002-11-03 00:24:07 +0000578
579#ifdef CONFIG_IDE_8xx_PCCARD
580 extern int pcmcia_on (void);
wdenk6069ff22003-02-28 00:49:47 +0000581 extern int ide_devices_found; /* Initialized in check_ide_device() */
wdenkc6097192002-11-03 00:24:07 +0000582
583 WATCHDOG_RESET();
584
wdenk6069ff22003-02-28 00:49:47 +0000585 ide_devices_found = 0;
wdenkc6097192002-11-03 00:24:07 +0000586 /* initialize the PCMCIA IDE adapter card */
wdenk6069ff22003-02-28 00:49:47 +0000587 pcmcia_on();
588 if (!ide_devices_found)
wdenkc6097192002-11-03 00:24:07 +0000589 return;
590 udelay (1000000); /* 1 s */
591#endif /* CONFIG_IDE_8xx_PCCARD */
592
593 WATCHDOG_RESET();
594
wdenk15647dc2003-10-09 19:00:25 +0000595#ifdef CONFIG_IDE_8xx_DIRECT
wdenkc6097192002-11-03 00:24:07 +0000596 /* Initialize PIO timing tables */
597 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
wdenk1a344f22005-02-03 23:00:49 +0000598 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
599 gd->bus_clk);
600 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
601 gd->bus_clk);
602 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
603 gd->bus_clk);
604 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
605 " len=%3d ns/%d clk"
606 " hold=%2d ns/%d clk\n",
607 i,
608 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
609 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
610 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
wdenkc6097192002-11-03 00:24:07 +0000611 }
wdenk15647dc2003-10-09 19:00:25 +0000612#endif /* CONFIG_IDE_8xx_DIRECT */
wdenkc6097192002-11-03 00:24:07 +0000613
614 /* Reset the IDE just to be sure.
615 * Light LED's to show
616 */
617 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
618 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
619
620#ifdef CONFIG_IDE_8xx_DIRECT
621 /* PCMCIA / IDE initialization for common mem space */
622 pcmp->pcmc_pgcrb = 0;
wdenkc6097192002-11-03 00:24:07 +0000623
624 /* start in PIO mode 0 - most relaxed timings */
625 pio_mode = 0;
626 set_pcmcia_timing (pio_mode);
wdenk15647dc2003-10-09 19:00:25 +0000627#endif /* CONFIG_IDE_8xx_DIRECT */
wdenkc6097192002-11-03 00:24:07 +0000628
629 /*
630 * Wait for IDE to get ready.
631 * According to spec, this can take up to 31 seconds!
632 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200633 for (bus=0; bus<CONFIG_SYS_IDE_MAXBUS; ++bus) {
634 int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS);
wdenkc6097192002-11-03 00:24:07 +0000635
wdenk6069ff22003-02-28 00:49:47 +0000636#ifdef CONFIG_IDE_8xx_PCCARD
637 /* Skip non-ide devices from probing */
638 if ((ide_devices_found & (1 << bus)) == 0) {
639 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
640 continue;
641 }
642#endif
wdenkc6097192002-11-03 00:24:07 +0000643 printf ("Bus %d: ", bus);
644
645 ide_bus_ok[bus] = 0;
646
647 /* Select device
648 */
649 udelay (100000); /* 100 ms */
wdenk2262cfe2002-11-18 00:14:45 +0000650 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
wdenkc6097192002-11-03 00:24:07 +0000651 udelay (100000); /* 100 ms */
wdenkc6097192002-11-03 00:24:07 +0000652 i = 0;
653 do {
654 udelay (10000); /* 10 ms */
655
wdenk2262cfe2002-11-18 00:14:45 +0000656 c = ide_inb (dev, ATA_STATUS);
wdenkc6097192002-11-03 00:24:07 +0000657 i++;
Wolfgang Denk953b7e62010-06-13 18:28:54 +0200658#if defined(CONFIG_SC3)
wdenkc7de8292002-11-19 11:04:11 +0000659 if (i > (ata_reset_time * 100)) {
660#else
wdenkc6097192002-11-03 00:24:07 +0000661 if (i > (ATA_RESET_TIME * 100)) {
wdenkc7de8292002-11-19 11:04:11 +0000662#endif
wdenkc6097192002-11-03 00:24:07 +0000663 puts ("** Timeout **\n");
664 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
665 return;
666 }
667 if ((i >= 100) && ((i%100)==0)) {
668 putc ('.');
669 }
670 } while (c & ATA_STAT_BUSY);
671
672 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
673 puts ("not available ");
wdenk1a344f22005-02-03 23:00:49 +0000674 debug ("Status = 0x%02X ", c);
wdenkc6097192002-11-03 00:24:07 +0000675#ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
676 } else if ((c & ATA_STAT_READY) == 0) {
677 puts ("not available ");
wdenk1a344f22005-02-03 23:00:49 +0000678 debug ("Status = 0x%02X ", c);
wdenkc6097192002-11-03 00:24:07 +0000679#endif
680 } else {
681 puts ("OK ");
682 ide_bus_ok[bus] = 1;
683 }
684 WATCHDOG_RESET();
685 }
wdenkc7de8292002-11-19 11:04:11 +0000686
wdenkc6097192002-11-03 00:24:07 +0000687 putc ('\n');
688
689 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
690
691 curr_device = -1;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200692 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
wdenkc6097192002-11-03 00:24:07 +0000693#ifdef CONFIG_IDE_LED
694 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
695#endif
wdenk5cf9da42003-11-07 13:42:26 +0000696 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
wdenkc6097192002-11-03 00:24:07 +0000697 ide_dev_desc[i].if_type=IF_TYPE_IDE;
698 ide_dev_desc[i].dev=i;
699 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
700 ide_dev_desc[i].blksz=0;
701 ide_dev_desc[i].lba=0;
702 ide_dev_desc[i].block_read=ide_read;
Macpaul Lin0abddf82011-04-11 20:45:32 +0000703 ide_dev_desc[i].block_write = ide_write;
wdenkc6097192002-11-03 00:24:07 +0000704 if (!ide_bus_ok[IDE_BUS(i)])
705 continue;
706 ide_led (led, 1); /* LED on */
707 ide_ident(&ide_dev_desc[i]);
708 ide_led (led, 0); /* LED off */
709 dev_print(&ide_dev_desc[i]);
710/* ide_print (i); */
711 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
712 init_part (&ide_dev_desc[i]); /* initialize partition type */
713 if (curr_device < 0)
714 curr_device = i;
715 }
716 }
717 WATCHDOG_RESET();
718}
719
720/* ------------------------------------------------------------------------- */
721
Matthew McClintockdf3fc522011-05-24 05:31:19 +0000722#ifdef CONFIG_PARTITIONS
wdenkc6097192002-11-03 00:24:07 +0000723block_dev_desc_t * ide_get_dev(int dev)
724{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200725 return (dev < CONFIG_SYS_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
wdenkc6097192002-11-03 00:24:07 +0000726}
Matthew McClintockdf3fc522011-05-24 05:31:19 +0000727#endif
wdenkc6097192002-11-03 00:24:07 +0000728
729
730#ifdef CONFIG_IDE_8xx_DIRECT
731
732static void
733set_pcmcia_timing (int pmode)
734{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200735 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
wdenkc6097192002-11-03 00:24:07 +0000736 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
737 ulong timings;
738
wdenk1a344f22005-02-03 23:00:49 +0000739 debug ("Set timing for PIO Mode %d\n", pmode);
wdenkc6097192002-11-03 00:24:07 +0000740
741 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
742 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
743 | PCMCIA_SL (pio_config_clk[pmode].t_length)
744 ;
745
746 /* IDE 0
747 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200748 pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0;
749 pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0
750#if (CONFIG_SYS_PCMCIA_POR0 != 0)
wdenkc6097192002-11-03 00:24:07 +0000751 | timings
752#endif
753 ;
wdenk1a344f22005-02-03 23:00:49 +0000754 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
wdenkc6097192002-11-03 00:24:07 +0000755
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200756 pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1;
757 pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1
758#if (CONFIG_SYS_PCMCIA_POR1 != 0)
wdenkc6097192002-11-03 00:24:07 +0000759 | timings
760#endif
761 ;
wdenk1a344f22005-02-03 23:00:49 +0000762 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
wdenkc6097192002-11-03 00:24:07 +0000763
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200764 pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2;
765 pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2
766#if (CONFIG_SYS_PCMCIA_POR2 != 0)
wdenkc6097192002-11-03 00:24:07 +0000767 | timings
768#endif
769 ;
wdenk1a344f22005-02-03 23:00:49 +0000770 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
wdenkc6097192002-11-03 00:24:07 +0000771
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200772 pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3;
773 pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3
774#if (CONFIG_SYS_PCMCIA_POR3 != 0)
wdenkc6097192002-11-03 00:24:07 +0000775 | timings
776#endif
777 ;
wdenk1a344f22005-02-03 23:00:49 +0000778 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
wdenkc6097192002-11-03 00:24:07 +0000779
780 /* IDE 1
781 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200782 pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4;
783 pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4
784#if (CONFIG_SYS_PCMCIA_POR4 != 0)
wdenkc6097192002-11-03 00:24:07 +0000785 | timings
786#endif
787 ;
wdenk1a344f22005-02-03 23:00:49 +0000788 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
wdenkc6097192002-11-03 00:24:07 +0000789
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200790 pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5;
791 pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5
792#if (CONFIG_SYS_PCMCIA_POR5 != 0)
wdenkc6097192002-11-03 00:24:07 +0000793 | timings
794#endif
795 ;
wdenk1a344f22005-02-03 23:00:49 +0000796 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
wdenkc6097192002-11-03 00:24:07 +0000797
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200798 pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6;
799 pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6
800#if (CONFIG_SYS_PCMCIA_POR6 != 0)
wdenkc6097192002-11-03 00:24:07 +0000801 | timings
802#endif
803 ;
wdenk1a344f22005-02-03 23:00:49 +0000804 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
wdenkc6097192002-11-03 00:24:07 +0000805
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200806 pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7;
807 pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7
808#if (CONFIG_SYS_PCMCIA_POR7 != 0)
wdenkc6097192002-11-03 00:24:07 +0000809 | timings
810#endif
811 ;
wdenk1a344f22005-02-03 23:00:49 +0000812 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
wdenkc6097192002-11-03 00:24:07 +0000813
814}
815
816#endif /* CONFIG_IDE_8xx_DIRECT */
817
818/* ------------------------------------------------------------------------- */
819
wdenk5da627a2003-10-09 20:09:04 +0000820/* We only need to swap data if we are running on a big endian cpu. */
821/* But Au1x00 cpu:s already swaps data in big endian mode! */
Shinya Kuribayashic6dc8a72011-02-05 19:07:00 +0900822#if defined(__LITTLE_ENDIAN) || \
823 (defined(CONFIG_SOC_AU1X00) && !defined(CONFIG_GTH2))
wdenk5da627a2003-10-09 20:09:04 +0000824#define input_swap_data(x,y,z) input_data(x,y,z)
825#else
wdenkc6097192002-11-03 00:24:07 +0000826static void
827input_swap_data(int dev, ulong *sect_buf, int words)
828{
Wolfgang Denk77efe352010-09-19 21:28:25 +0200829#if defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000830 uchar i;
831 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
832 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
833 ushort *dbuf = (ushort *)sect_buf;
834
835 while (words--) {
836 for (i=0; i<2; i++) {
837 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
838 *(uchar *)dbuf = *pbuf_odd;
839 dbuf+=1;
840 }
841 }
wdenkf4733a02005-03-06 01:21:30 +0000842#else
wdenk1a344f22005-02-03 23:00:49 +0000843 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
844 ushort *dbuf = (ushort *)sect_buf;
845
846 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
847
848 while (words--) {
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200849#ifdef __MIPS__
850 *dbuf++ = swab16p((u16*)pbuf);
851 *dbuf++ = swab16p((u16*)pbuf);
Heiko Schocher566a4942007-06-22 19:11:54 +0200852#elif defined(CONFIG_PCS440EP)
853 *dbuf++ = *pbuf;
854 *dbuf++ = *pbuf;
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200855#else
wdenk1a344f22005-02-03 23:00:49 +0000856 *dbuf++ = ld_le16(pbuf);
857 *dbuf++ = ld_le16(pbuf);
Wolfgang Denk0c32d962006-06-16 17:32:31 +0200858#endif /* !MIPS */
wdenk1a344f22005-02-03 23:00:49 +0000859 }
860#endif
wdenkc6097192002-11-03 00:24:07 +0000861}
wdenk5da627a2003-10-09 20:09:04 +0000862#endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
wdenkc6097192002-11-03 00:24:07 +0000863
wdenk2262cfe2002-11-18 00:14:45 +0000864
Albert Aribaudf2a37fc2010-08-08 05:17:05 +0530865#if defined(CONFIG_IDE_SWAP_IO)
wdenkc6097192002-11-03 00:24:07 +0000866static void
Wolfgang Denk96d04c32011-04-30 23:29:55 +0200867output_data(int dev, const ulong *sect_buf, int words)
wdenkc6097192002-11-03 00:24:07 +0000868{
Wolfgang Denk77efe352010-09-19 21:28:25 +0200869#if defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000870 uchar *dbuf;
871 volatile uchar *pbuf_even;
872 volatile uchar *pbuf_odd;
873
874 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
875 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
876 dbuf = (uchar *)sect_buf;
877 while (words--) {
wdenk5cf91d62004-04-23 20:32:05 +0000878 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000879 *pbuf_even = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000880 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000881 *pbuf_odd = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000882 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000883 *pbuf_even = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +0000884 EIEIO;
wdenka522fa02004-01-04 22:51:12 +0000885 *pbuf_odd = *dbuf++;
886 }
wdenk1a344f22005-02-03 23:00:49 +0000887#else
888 ushort *dbuf;
889 volatile ushort *pbuf;
890
891 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
892 dbuf = (ushort *)sect_buf;
893 while (words--) {
Heiko Schocher566a4942007-06-22 19:11:54 +0200894#if defined(CONFIG_PCS440EP)
895 /* not tested, because CF was write protected */
896 EIEIO;
897 *pbuf = ld_le16(dbuf++);
898 EIEIO;
899 *pbuf = ld_le16(dbuf++);
900#else
wdenk1a344f22005-02-03 23:00:49 +0000901 EIEIO;
902 *pbuf = *dbuf++;
903 EIEIO;
904 *pbuf = *dbuf++;
Heiko Schocher566a4942007-06-22 19:11:54 +0200905#endif
wdenk1a344f22005-02-03 23:00:49 +0000906 }
907#endif
wdenkc6097192002-11-03 00:24:07 +0000908}
Albert Aribaudf2a37fc2010-08-08 05:17:05 +0530909#else /* ! CONFIG_IDE_SWAP_IO */
wdenk2262cfe2002-11-18 00:14:45 +0000910static void
Wolfgang Denk96d04c32011-04-30 23:29:55 +0200911output_data(int dev, const ulong *sect_buf, int words)
wdenk2262cfe2002-11-18 00:14:45 +0000912{
Macpaul Lin0abddf82011-04-11 20:45:32 +0000913#if defined(CONFIG_IDE_AHB)
914 ide_write_data(dev, sect_buf, words);
915#else
916 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
917#endif
wdenk2262cfe2002-11-18 00:14:45 +0000918}
Albert Aribaudf2a37fc2010-08-08 05:17:05 +0530919#endif /* CONFIG_IDE_SWAP_IO */
wdenkc6097192002-11-03 00:24:07 +0000920
Albert Aribaudf2a37fc2010-08-08 05:17:05 +0530921#if defined(CONFIG_IDE_SWAP_IO)
wdenkc6097192002-11-03 00:24:07 +0000922static void
923input_data(int dev, ulong *sect_buf, int words)
924{
Wolfgang Denk77efe352010-09-19 21:28:25 +0200925#if defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +0000926 uchar *dbuf;
927 volatile uchar *pbuf_even;
928 volatile uchar *pbuf_odd;
929
930 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
931 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
932 dbuf = (uchar *)sect_buf;
933 while (words--) {
wdenka522fa02004-01-04 22:51:12 +0000934 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +0000935 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000936 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000937 *dbuf++ = *pbuf_odd;
wdenk5cf91d62004-04-23 20:32:05 +0000938 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000939 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000940 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +0000941 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +0000942 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000943 *dbuf++ = *pbuf_odd;
wdenk1a344f22005-02-03 23:00:49 +0000944 EIEIO;
945 SYNC;
wdenka522fa02004-01-04 22:51:12 +0000946 }
wdenk1a344f22005-02-03 23:00:49 +0000947#else
948 ushort *dbuf;
949 volatile ushort *pbuf;
950
951 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
952 dbuf = (ushort *)sect_buf;
953
954 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
955
956 while (words--) {
Heiko Schocher566a4942007-06-22 19:11:54 +0200957#if defined(CONFIG_PCS440EP)
958 EIEIO;
959 *dbuf++ = ld_le16(pbuf);
960 EIEIO;
961 *dbuf++ = ld_le16(pbuf);
962#else
wdenk1a344f22005-02-03 23:00:49 +0000963 EIEIO;
964 *dbuf++ = *pbuf;
965 EIEIO;
966 *dbuf++ = *pbuf;
Heiko Schocher566a4942007-06-22 19:11:54 +0200967#endif
wdenk1a344f22005-02-03 23:00:49 +0000968 }
969#endif
wdenkc6097192002-11-03 00:24:07 +0000970}
Albert Aribaudf2a37fc2010-08-08 05:17:05 +0530971#else /* ! CONFIG_IDE_SWAP_IO */
wdenk2262cfe2002-11-18 00:14:45 +0000972static void
973input_data(int dev, ulong *sect_buf, int words)
974{
Macpaul Lin0abddf82011-04-11 20:45:32 +0000975#if defined(CONFIG_IDE_AHB)
976 ide_read_data(dev, sect_buf, words);
977#else
wdenk15647dc2003-10-09 19:00:25 +0000978 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
Macpaul Lin0abddf82011-04-11 20:45:32 +0000979#endif
wdenk2262cfe2002-11-18 00:14:45 +0000980}
981
Albert Aribaudf2a37fc2010-08-08 05:17:05 +0530982#endif /* CONFIG_IDE_SWAP_IO */
wdenkc6097192002-11-03 00:24:07 +0000983
984/* -------------------------------------------------------------------------
985 */
986static void ide_ident (block_dev_desc_t *dev_desc)
987{
wdenkc6097192002-11-03 00:24:07 +0000988 unsigned char c;
Marek Vasutb18eabf2011-08-20 09:15:13 +0000989 hd_driveid_t iop;
wdenkc6097192002-11-03 00:24:07 +0000990
wdenk64f70be2004-09-28 20:34:50 +0000991#ifdef CONFIG_ATAPI
992 int retries = 0;
wdenkc7de8292002-11-19 11:04:11 +0000993 int do_retry = 0;
994#endif
995
Steven A. Falco36c2d302008-08-15 15:34:10 -0400996#ifdef CONFIG_TUNE_PIO
997 int pio_mode;
998#endif
999
wdenkc6097192002-11-03 00:24:07 +00001000#if 0
1001 int mode, cycle_time;
1002#endif
1003 int device;
1004 device=dev_desc->dev;
1005 printf (" Device %d: ", device);
1006
1007 ide_led (DEVICE_LED(device), 1); /* LED on */
1008 /* Select device
1009 */
wdenk2262cfe2002-11-18 00:14:45 +00001010 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001011 dev_desc->if_type=IF_TYPE_IDE;
1012#ifdef CONFIG_ATAPI
wdenkc7de8292002-11-19 11:04:11 +00001013
wdenkc7de8292002-11-19 11:04:11 +00001014 do_retry = 0;
1015 retries = 0;
1016
1017 /* Warning: This will be tricky to read */
wdenkc40b2952004-03-13 23:29:43 +00001018 while (retries <= 1) {
wdenkc6097192002-11-03 00:24:07 +00001019 /* check signature */
wdenk2262cfe2002-11-18 00:14:45 +00001020 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1021 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1022 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1023 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
wdenkc6097192002-11-03 00:24:07 +00001024 /* ATAPI Signature found */
1025 dev_desc->if_type=IF_TYPE_ATAPI;
1026 /* Start Ident Command
1027 */
wdenk2262cfe2002-11-18 00:14:45 +00001028 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
wdenkc6097192002-11-03 00:24:07 +00001029 /*
1030 * Wait for completion - ATAPI devices need more time
1031 * to become ready
1032 */
1033 c = ide_wait (device, ATAPI_TIME_OUT);
wdenkc40b2952004-03-13 23:29:43 +00001034 } else
wdenkc6097192002-11-03 00:24:07 +00001035#endif
1036 {
1037 /* Start Ident Command
1038 */
wdenk2262cfe2002-11-18 00:14:45 +00001039 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
wdenkc6097192002-11-03 00:24:07 +00001040
1041 /* Wait for completion
1042 */
1043 c = ide_wait (device, IDE_TIME_OUT);
1044 }
1045 ide_led (DEVICE_LED(device), 0); /* LED off */
1046
1047 if (((c & ATA_STAT_DRQ) == 0) ||
1048 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
wdenk64f70be2004-09-28 20:34:50 +00001049#ifdef CONFIG_ATAPI
wdenk1a344f22005-02-03 23:00:49 +00001050 {
1051 /* Need to soft reset the device in case it's an ATAPI... */
1052 debug ("Retrying...\n");
1053 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1054 udelay(100000);
1055 ide_outb (device, ATA_COMMAND, 0x08);
1056 udelay (500000); /* 500 ms */
1057 }
wdenk64f70be2004-09-28 20:34:50 +00001058 /* Select device
1059 */
1060 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1061 retries++;
wdenkc7de8292002-11-19 11:04:11 +00001062#else
wdenkc6097192002-11-03 00:24:07 +00001063 return;
wdenk64f70be2004-09-28 20:34:50 +00001064#endif
wdenkc6097192002-11-03 00:24:07 +00001065 }
wdenk64f70be2004-09-28 20:34:50 +00001066#ifdef CONFIG_ATAPI
1067 else
1068 break;
wdenkc7de8292002-11-19 11:04:11 +00001069 } /* see above - ugly to read */
wdenk64f70be2004-09-28 20:34:50 +00001070
1071 if (retries == 2) /* Not found */
1072 return;
1073#endif
wdenkc7de8292002-11-19 11:04:11 +00001074
Marek Vasutb18eabf2011-08-20 09:15:13 +00001075 input_swap_data (device, (ulong *)&iop, ATA_SECTORWORDS);
wdenkc6097192002-11-03 00:24:07 +00001076
Marek Vasutb18eabf2011-08-20 09:15:13 +00001077 ident_cpy ((unsigned char*)dev_desc->revision, iop.fw_rev, sizeof(dev_desc->revision));
1078 ident_cpy ((unsigned char*)dev_desc->vendor, iop.model, sizeof(dev_desc->vendor));
1079 ident_cpy ((unsigned char*)dev_desc->product, iop.serial_no, sizeof(dev_desc->product));
wdenkc3f9d492004-03-14 00:59:59 +00001080#ifdef __LITTLE_ENDIAN
1081 /*
Richard Retanubunbcdf1d22008-11-06 14:01:51 -05001082 * firmware revision, model, and serial number have Big Endian Byte
1083 * order in Word. Convert all three to little endian.
wdenkc3f9d492004-03-14 00:59:59 +00001084 *
1085 * See CF+ and CompactFlash Specification Revision 2.0:
Richard Retanubunbcdf1d22008-11-06 14:01:51 -05001086 * 6.2.1.6: Identify Drive, Table 39 for more details
wdenkc3f9d492004-03-14 00:59:59 +00001087 */
1088
1089 strswab (dev_desc->revision);
1090 strswab (dev_desc->vendor);
Richard Retanubunbcdf1d22008-11-06 14:01:51 -05001091 strswab (dev_desc->product);
wdenkc3f9d492004-03-14 00:59:59 +00001092#endif /* __LITTLE_ENDIAN */
wdenkc6097192002-11-03 00:24:07 +00001093
Marek Vasutb18eabf2011-08-20 09:15:13 +00001094 if ((iop.config & 0x0080) == 0x0080)
wdenkc6097192002-11-03 00:24:07 +00001095 dev_desc->removable = 1;
1096 else
1097 dev_desc->removable = 0;
1098
Steven A. Falco36c2d302008-08-15 15:34:10 -04001099#ifdef CONFIG_TUNE_PIO
1100 /* Mode 0 - 2 only, are directly determined by word 51. */
Marek Vasutb18eabf2011-08-20 09:15:13 +00001101 pio_mode = iop.tPIO;
Steven A. Falco36c2d302008-08-15 15:34:10 -04001102 if (pio_mode > 2) {
1103 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode);
1104 pio_mode = 0; /* Force it to dead slow, and hope for the best... */
1105 }
1106
1107 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1108 * shall set bit 1 of word 53 to one and support the fields contained
1109 * in words 64 through 70.
1110 */
Marek Vasutb18eabf2011-08-20 09:15:13 +00001111 if (iop.field_valid & 0x02) {
Steven A. Falco36c2d302008-08-15 15:34:10 -04001112 /* Mode 3 and above are possible. Check in order from slow
1113 * to fast, so we wind up with the highest mode allowed.
1114 */
Marek Vasutb18eabf2011-08-20 09:15:13 +00001115 if (iop.eide_pio_modes & 0x01)
Steven A. Falco36c2d302008-08-15 15:34:10 -04001116 pio_mode = 3;
Marek Vasutb18eabf2011-08-20 09:15:13 +00001117 if (iop.eide_pio_modes & 0x02)
Steven A. Falco36c2d302008-08-15 15:34:10 -04001118 pio_mode = 4;
Marek Vasutb18eabf2011-08-20 09:15:13 +00001119 if (ata_id_is_cfa((u16 *)&iop)) {
1120 if ((iop.cf_advanced_caps & 0x07) == 0x01)
Steven A. Falco36c2d302008-08-15 15:34:10 -04001121 pio_mode = 5;
Marek Vasutb18eabf2011-08-20 09:15:13 +00001122 if ((iop.cf_advanced_caps & 0x07) == 0x02)
Steven A. Falco36c2d302008-08-15 15:34:10 -04001123 pio_mode = 6;
1124 }
1125 }
1126
1127 /* System-specific, depends on bus speeds, etc. */
1128 ide_set_piomode(pio_mode);
1129#endif /* CONFIG_TUNE_PIO */
1130
wdenkc6097192002-11-03 00:24:07 +00001131#if 0
1132 /*
1133 * Drive PIO mode autoselection
1134 */
Marek Vasutb18eabf2011-08-20 09:15:13 +00001135 mode = iop.tPIO;
wdenkc6097192002-11-03 00:24:07 +00001136
1137 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1138 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1139 mode = 2;
wdenk1a344f22005-02-03 23:00:49 +00001140 debug ("Override tPIO -> 2\n");
wdenkc6097192002-11-03 00:24:07 +00001141 }
Marek Vasutb18eabf2011-08-20 09:15:13 +00001142 if (iop.field_valid & 2) { /* drive implements ATA2? */
wdenk1a344f22005-02-03 23:00:49 +00001143 debug ("Drive implements ATA2\n");
Marek Vasutb18eabf2011-08-20 09:15:13 +00001144 if (iop.capability & 8) { /* drive supports use_iordy? */
1145 cycle_time = iop.eide_pio_iordy;
wdenkc6097192002-11-03 00:24:07 +00001146 } else {
Marek Vasutb18eabf2011-08-20 09:15:13 +00001147 cycle_time = iop.eide_pio;
wdenkc6097192002-11-03 00:24:07 +00001148 }
wdenk1a344f22005-02-03 23:00:49 +00001149 debug ("cycle time = %d\n", cycle_time);
wdenkc6097192002-11-03 00:24:07 +00001150 mode = 4;
1151 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1152 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1153 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1154 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1155 }
1156 printf ("PIO mode to use: PIO %d\n", mode);
1157#endif /* 0 */
1158
1159#ifdef CONFIG_ATAPI
1160 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1161 atapi_inquiry(dev_desc);
1162 return;
1163 }
1164#endif /* CONFIG_ATAPI */
1165
wdenkc3f9d492004-03-14 00:59:59 +00001166#ifdef __BIG_ENDIAN
wdenkc6097192002-11-03 00:24:07 +00001167 /* swap shorts */
Marek Vasutb18eabf2011-08-20 09:15:13 +00001168 dev_desc->lba = (iop.lba_capacity << 16) | (iop.lba_capacity >> 16);
wdenkc3f9d492004-03-14 00:59:59 +00001169#else /* ! __BIG_ENDIAN */
1170 /*
1171 * do not swap shorts on little endian
1172 *
1173 * See CF+ and CompactFlash Specification Revision 2.0:
1174 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1175 */
Marek Vasutb18eabf2011-08-20 09:15:13 +00001176 dev_desc->lba = iop.lba_capacity;
wdenkc3f9d492004-03-14 00:59:59 +00001177#endif /* __BIG_ENDIAN */
wdenkc40b2952004-03-13 23:29:43 +00001178
wdenk42dfe7a2004-03-14 22:25:36 +00001179#ifdef CONFIG_LBA48
Marek Vasutb18eabf2011-08-20 09:15:13 +00001180 if (iop.command_set_2 & 0x0400) { /* LBA 48 support */
wdenk6e592382004-04-18 17:39:38 +00001181 dev_desc->lba48 = 1;
Marek Vasutb18eabf2011-08-20 09:15:13 +00001182 dev_desc->lba = (unsigned long long)iop.lba48_capacity[0] |
1183 ((unsigned long long)iop.lba48_capacity[1] << 16) |
1184 ((unsigned long long)iop.lba48_capacity[2] << 32) |
1185 ((unsigned long long)iop.lba48_capacity[3] << 48);
wdenkc40b2952004-03-13 23:29:43 +00001186 } else {
wdenkc40b2952004-03-13 23:29:43 +00001187 dev_desc->lba48 = 0;
1188 }
1189#endif /* CONFIG_LBA48 */
wdenkc6097192002-11-03 00:24:07 +00001190 /* assuming HD */
1191 dev_desc->type=DEV_TYPE_HARDDISK;
1192 dev_desc->blksz=ATA_BLOCKSIZE;
1193 dev_desc->lun=0; /* just to fill something in... */
1194
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001195#if 0 /* only used to test the powersaving mode,
wdenkc6097192002-11-03 00:24:07 +00001196 * if enabled, the drive goes after 5 sec
1197 * in standby mode */
wdenk2262cfe2002-11-18 00:14:45 +00001198 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001199 c = ide_wait (device, IDE_TIME_OUT);
wdenk2262cfe2002-11-18 00:14:45 +00001200 ide_outb (device, ATA_SECT_CNT, 1);
1201 ide_outb (device, ATA_LBA_LOW, 0);
1202 ide_outb (device, ATA_LBA_MID, 0);
1203 ide_outb (device, ATA_LBA_HIGH, 0);
wdenk1a344f22005-02-03 23:00:49 +00001204 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenk2262cfe2002-11-18 00:14:45 +00001205 ide_outb (device, ATA_COMMAND, 0xe3);
wdenkc6097192002-11-03 00:24:07 +00001206 udelay (50);
1207 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1208#endif
1209}
1210
1211
1212/* ------------------------------------------------------------------------- */
1213
Grant Likelyeb867a72007-02-20 09:05:45 +01001214ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
wdenkc6097192002-11-03 00:24:07 +00001215{
1216 ulong n = 0;
1217 unsigned char c;
1218 unsigned char pwrsave=0; /* power save */
wdenk42dfe7a2004-03-14 22:25:36 +00001219#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001220 unsigned char lba48 = 0;
wdenkc6097192002-11-03 00:24:07 +00001221
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001222 if (blknr & 0x0000fffff0000000ULL) {
wdenkc40b2952004-03-13 23:29:43 +00001223 /* more than 28 bits used, use 48bit mode */
1224 lba48 = 1;
1225 }
1226#endif
Mike Frysinger6c6166f2009-02-16 23:21:36 -05001227 debug ("ide_read dev %d start %LX, blocks %lX buffer at %lX\n",
wdenkc6097192002-11-03 00:24:07 +00001228 device, blknr, blkcnt, (ulong)buffer);
1229
1230 ide_led (DEVICE_LED(device), 1); /* LED on */
1231
1232 /* Select device
1233 */
wdenk2262cfe2002-11-18 00:14:45 +00001234 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001235 c = ide_wait (device, IDE_TIME_OUT);
1236
1237 if (c & ATA_STAT_BUSY) {
1238 printf ("IDE read: device %d not ready\n", device);
1239 goto IDE_READ_E;
1240 }
1241
1242 /* first check if the drive is in Powersaving mode, if yes,
1243 * increase the timeout value */
wdenk2262cfe2002-11-18 00:14:45 +00001244 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
wdenkc6097192002-11-03 00:24:07 +00001245 udelay (50);
1246
1247 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1248
1249 if (c & ATA_STAT_BUSY) {
1250 printf ("IDE read: device %d not ready\n", device);
1251 goto IDE_READ_E;
1252 }
1253 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1254 printf ("No Powersaving mode %X\n", c);
1255 } else {
wdenk2262cfe2002-11-18 00:14:45 +00001256 c = ide_inb(device,ATA_SECT_CNT);
wdenk1a344f22005-02-03 23:00:49 +00001257 debug ("Powersaving %02X\n",c);
wdenkc6097192002-11-03 00:24:07 +00001258 if(c==0)
1259 pwrsave=1;
1260 }
1261
1262
1263 while (blkcnt-- > 0) {
1264
1265 c = ide_wait (device, IDE_TIME_OUT);
1266
1267 if (c & ATA_STAT_BUSY) {
1268 printf ("IDE read: device %d not ready\n", device);
1269 break;
1270 }
wdenk42dfe7a2004-03-14 22:25:36 +00001271#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001272 if (lba48) {
1273 /* write high bits */
1274 ide_outb (device, ATA_SECT_CNT, 0);
1275 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001276#ifdef CONFIG_SYS_64BIT_LBA
wdenkc40b2952004-03-13 23:29:43 +00001277 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1278 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001279#else
1280 ide_outb (device, ATA_LBA_MID, 0);
1281 ide_outb (device, ATA_LBA_HIGH, 0);
1282#endif
wdenkc40b2952004-03-13 23:29:43 +00001283 }
1284#endif
wdenk2262cfe2002-11-18 00:14:45 +00001285 ide_outb (device, ATA_SECT_CNT, 1);
1286 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1287 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1288 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
wdenkc40b2952004-03-13 23:29:43 +00001289
wdenk42dfe7a2004-03-14 22:25:36 +00001290#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001291 if (lba48) {
1292 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1293 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1294
1295 } else
1296#endif
1297 {
1298 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1299 ATA_DEVICE(device) |
1300 ((blknr >> 24) & 0xF) );
1301 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1302 }
wdenkc6097192002-11-03 00:24:07 +00001303
1304 udelay (50);
1305
1306 if(pwrsave) {
1307 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1308 pwrsave=0;
1309 } else {
1310 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1311 }
1312
1313 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
Heiko Schocher4b142fe2009-12-03 11:21:21 +01001314#if defined(CONFIG_SYS_64BIT_LBA)
Mike Frysinger6c6166f2009-02-16 23:21:36 -05001315 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
wdenkc6097192002-11-03 00:24:07 +00001316 device, blknr, c);
wdenkc40b2952004-03-13 23:29:43 +00001317#else
1318 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1319 device, (ulong)blknr, c);
1320#endif
wdenkc6097192002-11-03 00:24:07 +00001321 break;
1322 }
1323
1324 input_data (device, buffer, ATA_SECTORWORDS);
wdenk2262cfe2002-11-18 00:14:45 +00001325 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
wdenkc6097192002-11-03 00:24:07 +00001326
1327 ++n;
1328 ++blknr;
Greg Lopp0b945042007-04-13 08:02:24 +02001329 buffer += ATA_BLOCKSIZE;
wdenkc6097192002-11-03 00:24:07 +00001330 }
1331IDE_READ_E:
1332 ide_led (DEVICE_LED(device), 0); /* LED off */
1333 return (n);
1334}
1335
1336/* ------------------------------------------------------------------------- */
1337
1338
Wolfgang Denk96d04c32011-04-30 23:29:55 +02001339ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, const void *buffer)
wdenkc6097192002-11-03 00:24:07 +00001340{
1341 ulong n = 0;
1342 unsigned char c;
wdenk42dfe7a2004-03-14 22:25:36 +00001343#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001344 unsigned char lba48 = 0;
1345
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001346 if (blknr & 0x0000fffff0000000ULL) {
wdenkc40b2952004-03-13 23:29:43 +00001347 /* more than 28 bits used, use 48bit mode */
1348 lba48 = 1;
1349 }
1350#endif
wdenkc6097192002-11-03 00:24:07 +00001351
1352 ide_led (DEVICE_LED(device), 1); /* LED on */
1353
1354 /* Select device
1355 */
wdenk2262cfe2002-11-18 00:14:45 +00001356 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001357
1358 while (blkcnt-- > 0) {
1359
1360 c = ide_wait (device, IDE_TIME_OUT);
1361
1362 if (c & ATA_STAT_BUSY) {
1363 printf ("IDE read: device %d not ready\n", device);
1364 goto WR_OUT;
1365 }
wdenk42dfe7a2004-03-14 22:25:36 +00001366#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001367 if (lba48) {
1368 /* write high bits */
1369 ide_outb (device, ATA_SECT_CNT, 0);
1370 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001371#ifdef CONFIG_SYS_64BIT_LBA
wdenkc40b2952004-03-13 23:29:43 +00001372 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1373 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
Guennadi Liakhovetski413bf582008-04-28 14:36:06 +02001374#else
1375 ide_outb (device, ATA_LBA_MID, 0);
1376 ide_outb (device, ATA_LBA_HIGH, 0);
1377#endif
wdenkc40b2952004-03-13 23:29:43 +00001378 }
1379#endif
wdenk2262cfe2002-11-18 00:14:45 +00001380 ide_outb (device, ATA_SECT_CNT, 1);
1381 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1382 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1383 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
wdenkc40b2952004-03-13 23:29:43 +00001384
wdenk42dfe7a2004-03-14 22:25:36 +00001385#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001386 if (lba48) {
1387 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1388 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1389
1390 } else
1391#endif
1392 {
1393 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1394 ATA_DEVICE(device) |
1395 ((blknr >> 24) & 0xF) );
1396 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1397 }
wdenkc6097192002-11-03 00:24:07 +00001398
1399 udelay (50);
1400
1401 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1402
1403 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
Heiko Schocher4b142fe2009-12-03 11:21:21 +01001404#if defined(CONFIG_SYS_64BIT_LBA)
Mike Frysinger6c6166f2009-02-16 23:21:36 -05001405 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
wdenkc6097192002-11-03 00:24:07 +00001406 device, blknr, c);
wdenkc40b2952004-03-13 23:29:43 +00001407#else
1408 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1409 device, (ulong)blknr, c);
1410#endif
wdenkc6097192002-11-03 00:24:07 +00001411 goto WR_OUT;
1412 }
1413
1414 output_data (device, buffer, ATA_SECTORWORDS);
wdenk2262cfe2002-11-18 00:14:45 +00001415 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
wdenkc6097192002-11-03 00:24:07 +00001416 ++n;
1417 ++blknr;
Greg Lopp0b945042007-04-13 08:02:24 +02001418 buffer += ATA_BLOCKSIZE;
wdenkc6097192002-11-03 00:24:07 +00001419 }
1420WR_OUT:
1421 ide_led (DEVICE_LED(device), 0); /* LED off */
1422 return (n);
1423}
1424
1425/* ------------------------------------------------------------------------- */
1426
1427/*
1428 * copy src to dest, skipping leading and trailing blanks and null
1429 * terminate the string
wdenk7d7ce412004-03-17 01:13:07 +00001430 * "len" is the size of available memory including the terminating '\0'
wdenkc6097192002-11-03 00:24:07 +00001431 */
wdenk7d7ce412004-03-17 01:13:07 +00001432static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
wdenkc6097192002-11-03 00:24:07 +00001433{
wdenk7d7ce412004-03-17 01:13:07 +00001434 unsigned char *end, *last;
wdenkc6097192002-11-03 00:24:07 +00001435
wdenk7d7ce412004-03-17 01:13:07 +00001436 last = dst;
wdenk6fb6af62004-03-23 23:20:24 +00001437 end = src + len - 1;
wdenk7d7ce412004-03-17 01:13:07 +00001438
1439 /* reserve space for '\0' */
1440 if (len < 2)
1441 goto OUT;
wdenkefa329c2004-03-23 20:18:25 +00001442
wdenk7d7ce412004-03-17 01:13:07 +00001443 /* skip leading white space */
1444 while ((*src) && (src<end) && (*src==' '))
1445 ++src;
1446
1447 /* copy string, omitting trailing white space */
1448 while ((*src) && (src<end)) {
1449 *dst++ = *src;
1450 if (*src++ != ' ')
1451 last = dst;
wdenkc6097192002-11-03 00:24:07 +00001452 }
wdenk7d7ce412004-03-17 01:13:07 +00001453OUT:
1454 *last = '\0';
wdenkc6097192002-11-03 00:24:07 +00001455}
1456
1457/* ------------------------------------------------------------------------- */
1458
1459/*
1460 * Wait until Busy bit is off, or timeout (in ms)
1461 * Return last status
1462 */
1463static uchar ide_wait (int dev, ulong t)
1464{
1465 ulong delay = 10 * t; /* poll every 100 us */
1466 uchar c;
1467
wdenk2262cfe2002-11-18 00:14:45 +00001468 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
wdenkc6097192002-11-03 00:24:07 +00001469 udelay (100);
1470 if (delay-- == 0) {
1471 break;
1472 }
1473 }
1474 return (c);
1475}
1476
1477/* ------------------------------------------------------------------------- */
1478
1479#ifdef CONFIG_IDE_RESET
1480extern void ide_set_reset(int idereset);
1481
1482static void ide_reset (void)
1483{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001484#if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR)
1485 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
wdenkc6097192002-11-03 00:24:07 +00001486#endif
1487 int i;
1488
1489 curr_device = -1;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001490 for (i=0; i<CONFIG_SYS_IDE_MAXBUS; ++i)
wdenkc6097192002-11-03 00:24:07 +00001491 ide_bus_ok[i] = 0;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001492 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i)
wdenkc6097192002-11-03 00:24:07 +00001493 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1494
1495 ide_set_reset (1); /* assert reset */
1496
Martin Krausee175eac2008-04-03 13:37:56 +02001497 /* the reset signal shall be asserted for et least 25 us */
1498 udelay(25);
1499
wdenkc6097192002-11-03 00:24:07 +00001500 WATCHDOG_RESET();
1501
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001502#ifdef CONFIG_SYS_PB_12V_ENABLE
1503 immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE); /* 12V Enable output OFF */
1504 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_12V_ENABLE);
1505 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_12V_ENABLE);
1506 immr->im_cpm.cp_pbdir |= CONFIG_SYS_PB_12V_ENABLE;
wdenkc6097192002-11-03 00:24:07 +00001507
1508 /* wait 500 ms for the voltage to stabilize
1509 */
1510 for (i=0; i<500; ++i) {
1511 udelay (1000);
1512 }
1513
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001514 immr->im_cpm.cp_pbdat |= CONFIG_SYS_PB_12V_ENABLE; /* 12V Enable output ON */
1515#endif /* CONFIG_SYS_PB_12V_ENABLE */
wdenkc6097192002-11-03 00:24:07 +00001516
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001517#ifdef CONFIG_SYS_PB_IDE_MOTOR
wdenkc6097192002-11-03 00:24:07 +00001518 /* configure IDE Motor voltage monitor pin as input */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001519 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1520 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1521 immr->im_cpm.cp_pbdir &= ~(CONFIG_SYS_PB_IDE_MOTOR);
wdenkc6097192002-11-03 00:24:07 +00001522
1523 /* wait up to 1 s for the motor voltage to stabilize
1524 */
1525 for (i=0; i<1000; ++i) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001526 if ((immr->im_cpm.cp_pbdat & CONFIG_SYS_PB_IDE_MOTOR) != 0) {
wdenkc6097192002-11-03 00:24:07 +00001527 break;
1528 }
1529 udelay (1000);
1530 }
1531
1532 if (i == 1000) { /* Timeout */
1533 printf ("\nWarning: 5V for IDE Motor missing\n");
1534# ifdef CONFIG_STATUS_LED
1535# ifdef STATUS_LED_YELLOW
1536 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1537# endif
1538# ifdef STATUS_LED_GREEN
1539 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1540# endif
1541# endif /* CONFIG_STATUS_LED */
1542 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001543#endif /* CONFIG_SYS_PB_IDE_MOTOR */
wdenkc6097192002-11-03 00:24:07 +00001544
1545 WATCHDOG_RESET();
1546
1547 /* de-assert RESET signal */
1548 ide_set_reset(0);
1549
1550 /* wait 250 ms */
1551 for (i=0; i<250; ++i) {
1552 udelay (1000);
1553 }
1554}
1555
1556#endif /* CONFIG_IDE_RESET */
1557
1558/* ------------------------------------------------------------------------- */
1559
wdenke2ffd592004-12-31 09:32:47 +00001560#if defined(CONFIG_IDE_LED) && \
wdenke2ffd592004-12-31 09:32:47 +00001561 !defined(CONFIG_CPC45) && \
wdenke2ffd592004-12-31 09:32:47 +00001562 !defined(CONFIG_KUP4K) && \
1563 !defined(CONFIG_KUP4X)
wdenkc6097192002-11-03 00:24:07 +00001564
1565static uchar led_buffer = 0; /* Buffer for current LED status */
1566
1567static void ide_led (uchar led, uchar status)
1568{
1569 uchar *led_port = LED_PORT;
1570
1571 if (status) { /* switch LED on */
1572 led_buffer |= led;
1573 } else { /* switch LED off */
1574 led_buffer &= ~led;
1575 }
1576
1577 *led_port = led_buffer;
1578}
1579
1580#endif /* CONFIG_IDE_LED */
1581
Heiko Schocher3887c3f2009-09-23 07:56:08 +02001582#if defined(CONFIG_OF_IDE_FIXUP)
1583int ide_device_present(int dev)
1584{
1585 if (dev >= CONFIG_SYS_IDE_MAXBUS)
1586 return 0;
1587 return (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1);
1588}
1589#endif
wdenkc6097192002-11-03 00:24:07 +00001590/* ------------------------------------------------------------------------- */
1591
1592#ifdef CONFIG_ATAPI
1593/****************************************************************************
1594 * ATAPI Support
1595 */
1596
Albert Aribaudf2a37fc2010-08-08 05:17:05 +05301597#if defined(CONFIG_IDE_SWAP_IO)
wdenkc6097192002-11-03 00:24:07 +00001598/* since ATAPI may use commands with not 4 bytes alligned length
1599 * we have our own transfer functions, 2 bytes alligned */
1600static void
1601output_data_shorts(int dev, ushort *sect_buf, int shorts)
1602{
Wolfgang Denk77efe352010-09-19 21:28:25 +02001603#if defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +00001604 uchar *dbuf;
1605 volatile uchar *pbuf_even;
1606 volatile uchar *pbuf_odd;
1607
1608 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1609 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1610 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001611 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001612 *pbuf_even = *dbuf++;
wdenk5cf91d62004-04-23 20:32:05 +00001613 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001614 *pbuf_odd = *dbuf++;
1615 }
wdenk1a344f22005-02-03 23:00:49 +00001616#else
wdenkc6097192002-11-03 00:24:07 +00001617 ushort *dbuf;
1618 volatile ushort *pbuf;
1619
1620 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1621 dbuf = (ushort *)sect_buf;
wdenkdb01a2e2004-04-15 23:14:49 +00001622
wdenk1a344f22005-02-03 23:00:49 +00001623 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
wdenkdb01a2e2004-04-15 23:14:49 +00001624
wdenkc6097192002-11-03 00:24:07 +00001625 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001626 EIEIO;
wdenk1a344f22005-02-03 23:00:49 +00001627 *pbuf = *dbuf++;
wdenkc6097192002-11-03 00:24:07 +00001628 }
wdenk1a344f22005-02-03 23:00:49 +00001629#endif
1630}
1631
1632static void
1633input_data_shorts(int dev, ushort *sect_buf, int shorts)
1634{
Wolfgang Denk77efe352010-09-19 21:28:25 +02001635#if defined(CONFIG_CPC45)
wdenka522fa02004-01-04 22:51:12 +00001636 uchar *dbuf;
1637 volatile uchar *pbuf_even;
1638 volatile uchar *pbuf_odd;
1639
1640 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1641 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1642 while (shorts--) {
wdenk5cf91d62004-04-23 20:32:05 +00001643 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001644 *dbuf++ = *pbuf_even;
wdenk5cf91d62004-04-23 20:32:05 +00001645 EIEIO;
wdenka522fa02004-01-04 22:51:12 +00001646 *dbuf++ = *pbuf_odd;
1647 }
wdenk1a344f22005-02-03 23:00:49 +00001648#else
1649 ushort *dbuf;
1650 volatile ushort *pbuf;
1651
1652 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1653 dbuf = (ushort *)sect_buf;
1654
1655 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1656
1657 while (shorts--) {
1658 EIEIO;
1659 *dbuf++ = *pbuf;
1660 }
1661#endif
wdenkc6097192002-11-03 00:24:07 +00001662}
1663
Albert Aribaudf2a37fc2010-08-08 05:17:05 +05301664#else /* ! CONFIG_IDE_SWAP_IO */
wdenk2262cfe2002-11-18 00:14:45 +00001665static void
1666output_data_shorts(int dev, ushort *sect_buf, int shorts)
1667{
wdenk15647dc2003-10-09 19:00:25 +00001668 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
wdenk2262cfe2002-11-18 00:14:45 +00001669}
1670
wdenk2262cfe2002-11-18 00:14:45 +00001671static void
1672input_data_shorts(int dev, ushort *sect_buf, int shorts)
1673{
wdenk15647dc2003-10-09 19:00:25 +00001674 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
wdenk2262cfe2002-11-18 00:14:45 +00001675}
1676
Albert Aribaudf2a37fc2010-08-08 05:17:05 +05301677#endif /* CONFIG_IDE_SWAP_IO */
wdenk2262cfe2002-11-18 00:14:45 +00001678
wdenkc6097192002-11-03 00:24:07 +00001679/*
1680 * Wait until (Status & mask) == res, or timeout (in ms)
1681 * Return last status
1682 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1683 * and then they set their DRQ Bit
1684 */
1685static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1686{
1687 ulong delay = 10 * t; /* poll every 100 us */
1688 uchar c;
1689
wdenk2262cfe2002-11-18 00:14:45 +00001690 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1691 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
wdenkc6097192002-11-03 00:24:07 +00001692 /* break if error occurs (doesn't make sense to wait more) */
1693 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1694 break;
1695 udelay (100);
1696 if (delay-- == 0) {
1697 break;
1698 }
1699 }
1700 return (c);
1701}
1702
1703/*
1704 * issue an atapi command
1705 */
1706unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1707{
1708 unsigned char c,err,mask,res;
1709 int n;
1710 ide_led (DEVICE_LED(device), 1); /* LED on */
1711
1712 /* Select device
1713 */
1714 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1715 res = 0;
wdenk2262cfe2002-11-18 00:14:45 +00001716 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001717 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1718 if ((c & mask) != res) {
1719 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1720 err=0xFF;
1721 goto AI_OUT;
1722 }
1723 /* write taskfile */
wdenk2262cfe2002-11-18 00:14:45 +00001724 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
wdenkc7de8292002-11-19 11:04:11 +00001725 ide_outb (device, ATA_SECT_CNT, 0);
1726 ide_outb (device, ATA_SECT_NUM, 0);
wdenk2262cfe2002-11-18 00:14:45 +00001727 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
wdenkc7de8292002-11-19 11:04:11 +00001728 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
wdenk2262cfe2002-11-18 00:14:45 +00001729 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
wdenkc6097192002-11-03 00:24:07 +00001730
wdenk2262cfe2002-11-18 00:14:45 +00001731 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
wdenkc6097192002-11-03 00:24:07 +00001732 udelay (50);
1733
1734 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1735 res = ATA_STAT_DRQ;
1736 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1737
1738 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
Steven A. Falco4afbef92008-08-15 15:37:31 -04001739 printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
wdenkc6097192002-11-03 00:24:07 +00001740 err=0xFF;
1741 goto AI_OUT;
1742 }
1743
1744 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001745 /* ATAPI Command written wait for completition */
wdenkc6097192002-11-03 00:24:07 +00001746 udelay (5000); /* device must set bsy */
1747
1748 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1749 /* if no data wait for DRQ = 0 BSY = 0
1750 * if data wait for DRQ = 1 BSY = 0 */
1751 res=0;
1752 if(buflen)
1753 res = ATA_STAT_DRQ;
1754 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1755 if ((c & mask) != res ) {
1756 if (c & ATA_STAT_ERR) {
wdenk2262cfe2002-11-18 00:14:45 +00001757 err=(ide_inb(device,ATA_ERROR_REG))>>4;
wdenk1a344f22005-02-03 23:00:49 +00001758 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
wdenkc6097192002-11-03 00:24:07 +00001759 } else {
Steven A. Falco4afbef92008-08-15 15:37:31 -04001760 printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
wdenkc6097192002-11-03 00:24:07 +00001761 err=0xFF;
1762 }
1763 goto AI_OUT;
1764 }
wdenk2262cfe2002-11-18 00:14:45 +00001765 n=ide_inb(device, ATA_CYL_HIGH);
wdenkc6097192002-11-03 00:24:07 +00001766 n<<=8;
wdenk2262cfe2002-11-18 00:14:45 +00001767 n+=ide_inb(device, ATA_CYL_LOW);
wdenkc6097192002-11-03 00:24:07 +00001768 if(n>buflen) {
1769 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1770 err=0xff;
1771 goto AI_OUT;
1772 }
1773 if((n==0)&&(buflen<0)) {
1774 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1775 err=0xff;
1776 goto AI_OUT;
1777 }
1778 if(n!=buflen) {
wdenk1a344f22005-02-03 23:00:49 +00001779 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
wdenkc6097192002-11-03 00:24:07 +00001780 }
1781 if(n!=0) { /* data transfer */
wdenk1a344f22005-02-03 23:00:49 +00001782 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
wdenkc6097192002-11-03 00:24:07 +00001783 /* we transfer shorts */
1784 n>>=1;
1785 /* ok now decide if it is an in or output */
wdenk2262cfe2002-11-18 00:14:45 +00001786 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
wdenk1a344f22005-02-03 23:00:49 +00001787 debug ("Write to device\n");
wdenkc6097192002-11-03 00:24:07 +00001788 output_data_shorts(device,(unsigned short *)buffer,n);
1789 } else {
wdenk1a344f22005-02-03 23:00:49 +00001790 debug ("Read from device @ %p shorts %d\n",buffer,n);
wdenkc6097192002-11-03 00:24:07 +00001791 input_data_shorts(device,(unsigned short *)buffer,n);
1792 }
1793 }
1794 udelay(5000); /* seems that some CD ROMs need this... */
1795 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1796 res=0;
1797 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1798 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
wdenk2262cfe2002-11-18 00:14:45 +00001799 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
wdenk1a344f22005-02-03 23:00:49 +00001800 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
wdenkc6097192002-11-03 00:24:07 +00001801 } else {
1802 err = 0;
1803 }
1804AI_OUT:
1805 ide_led (DEVICE_LED(device), 0); /* LED off */
1806 return (err);
1807}
1808
1809/*
1810 * sending the command to atapi_issue. If an status other than good
1811 * returns, an request_sense will be issued
1812 */
1813
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001814#define ATAPI_DRIVE_NOT_READY 100
wdenkc6097192002-11-03 00:24:07 +00001815#define ATAPI_UNIT_ATTN 10
1816
1817unsigned char atapi_issue_autoreq (int device,
1818 unsigned char* ccb,
1819 int ccblen,
1820 unsigned char *buffer,
1821 int buflen)
1822{
1823 unsigned char sense_data[18],sense_ccb[12];
1824 unsigned char res,key,asc,ascq;
1825 int notready,unitattn;
1826
1827 unitattn=ATAPI_UNIT_ATTN;
1828 notready=ATAPI_DRIVE_NOT_READY;
1829
1830retry:
1831 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1832 if (res==0)
1833 return (0); /* Ok */
1834
1835 if (res==0xFF)
1836 return (0xFF); /* error */
1837
wdenk1a344f22005-02-03 23:00:49 +00001838 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
wdenkc6097192002-11-03 00:24:07 +00001839
1840 memset(sense_ccb,0,sizeof(sense_ccb));
1841 memset(sense_data,0,sizeof(sense_data));
1842 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
wdenkc7de8292002-11-19 11:04:11 +00001843 sense_ccb[4]=18; /* allocation Length */
wdenkc6097192002-11-03 00:24:07 +00001844
1845 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1846 key=(sense_data[2]&0xF);
1847 asc=(sense_data[12]);
1848 ascq=(sense_data[13]);
1849
wdenk1a344f22005-02-03 23:00:49 +00001850 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1851 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
wdenkc6097192002-11-03 00:24:07 +00001852 sense_data[0],
1853 key,
1854 asc,
1855 ascq);
1856
1857 if((key==0))
1858 return 0; /* ok device ready */
1859
1860 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1861 if(unitattn-->0) {
1862 udelay(200*1000);
1863 goto retry;
1864 }
1865 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1866 goto error;
1867 }
1868 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1869 if (notready-->0) {
1870 udelay(200*1000);
1871 goto retry;
1872 }
1873 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1874 goto error;
1875 }
1876 if(asc==0x3a) {
wdenk1a344f22005-02-03 23:00:49 +00001877 debug ("Media not present\n");
wdenkc6097192002-11-03 00:24:07 +00001878 goto error;
1879 }
wdenkc7de8292002-11-19 11:04:11 +00001880
wdenkc6097192002-11-03 00:24:07 +00001881 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1882error:
wdenk1a344f22005-02-03 23:00:49 +00001883 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
wdenkc6097192002-11-03 00:24:07 +00001884 return (0xFF);
1885}
1886
1887
wdenkc6097192002-11-03 00:24:07 +00001888static void atapi_inquiry(block_dev_desc_t * dev_desc)
1889{
1890 unsigned char ccb[12]; /* Command descriptor block */
1891 unsigned char iobuf[64]; /* temp buf */
1892 unsigned char c;
1893 int device;
1894
1895 device=dev_desc->dev;
1896 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1897 dev_desc->block_read=atapi_read;
1898
1899 memset(ccb,0,sizeof(ccb));
1900 memset(iobuf,0,sizeof(iobuf));
1901
1902 ccb[0]=ATAPI_CMD_INQUIRY;
1903 ccb[4]=40; /* allocation Legnth */
1904 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1905
wdenk1a344f22005-02-03 23:00:49 +00001906 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00001907 if (c!=0)
1908 return;
1909
1910 /* copy device ident strings */
Jean-Christophe PLAGNIOL-VILLARD7a60ee72007-11-07 08:19:19 +01001911 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1912 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1913 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
wdenkc6097192002-11-03 00:24:07 +00001914
1915 dev_desc->lun=0;
1916 dev_desc->lba=0;
1917 dev_desc->blksz=0;
1918 dev_desc->type=iobuf[0] & 0x1f;
1919
1920 if ((iobuf[1]&0x80)==0x80)
1921 dev_desc->removable = 1;
1922 else
1923 dev_desc->removable = 0;
1924
1925 memset(ccb,0,sizeof(ccb));
1926 memset(iobuf,0,sizeof(iobuf));
1927 ccb[0]=ATAPI_CMD_START_STOP;
1928 ccb[4]=0x03; /* start */
1929
1930 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1931
wdenk1a344f22005-02-03 23:00:49 +00001932 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00001933 if (c!=0)
1934 return;
1935
1936 memset(ccb,0,sizeof(ccb));
1937 memset(iobuf,0,sizeof(iobuf));
1938 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1939
wdenk1a344f22005-02-03 23:00:49 +00001940 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00001941 if (c!=0)
1942 return;
1943
1944 memset(ccb,0,sizeof(ccb));
1945 memset(iobuf,0,sizeof(iobuf));
1946 ccb[0]=ATAPI_CMD_READ_CAP;
1947 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
wdenk1a344f22005-02-03 23:00:49 +00001948 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
wdenkc6097192002-11-03 00:24:07 +00001949 if (c!=0)
1950 return;
1951
wdenk1a344f22005-02-03 23:00:49 +00001952 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
wdenkc6097192002-11-03 00:24:07 +00001953 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1954 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1955
1956 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1957 ((unsigned long)iobuf[1]<<16) +
1958 ((unsigned long)iobuf[2]<< 8) +
1959 ((unsigned long)iobuf[3]);
1960 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1961 ((unsigned long)iobuf[5]<<16) +
1962 ((unsigned long)iobuf[6]<< 8) +
1963 ((unsigned long)iobuf[7]);
wdenk42dfe7a2004-03-14 22:25:36 +00001964#ifdef CONFIG_LBA48
wdenkc40b2952004-03-13 23:29:43 +00001965 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
wdenk42dfe7a2004-03-14 22:25:36 +00001966#endif
wdenkc6097192002-11-03 00:24:07 +00001967 return;
1968}
1969
1970
1971/*
1972 * atapi_read:
1973 * we transfer only one block per command, since the multiple DRQ per
1974 * command is not yet implemented
1975 */
1976#define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1977#define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1978#define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1979
Grant Likelyeb867a72007-02-20 09:05:45 +01001980ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
wdenkc6097192002-11-03 00:24:07 +00001981{
1982 ulong n = 0;
1983 unsigned char ccb[12]; /* Command descriptor block */
1984 ulong cnt;
1985
wdenk1a344f22005-02-03 23:00:49 +00001986 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
wdenkc6097192002-11-03 00:24:07 +00001987 device, blknr, blkcnt, (ulong)buffer);
1988
1989 do {
1990 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1991 cnt=ATAPI_READ_MAX_BLOCK;
1992 } else {
1993 cnt=blkcnt;
1994 }
1995 ccb[0]=ATAPI_CMD_READ_12;
1996 ccb[1]=0; /* reserved */
1997 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
1998 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
1999 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2000 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2001 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2002 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2003 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2004 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2005 ccb[10]=0; /* reserved */
2006 ccb[11]=0; /* reserved */
2007
2008 if (atapi_issue_autoreq(device,ccb,12,
2009 (unsigned char *)buffer,
2010 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2011 return (n);
2012 }
2013 n+=cnt;
2014 blkcnt-=cnt;
2015 blknr+=cnt;
Greg Lopp0b945042007-04-13 08:02:24 +02002016 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
wdenkc6097192002-11-03 00:24:07 +00002017 } while (blkcnt > 0);
2018 return (n);
2019}
2020
2021/* ------------------------------------------------------------------------- */
2022
2023#endif /* CONFIG_ATAPI */
2024
wdenk0d498392003-07-01 21:06:45 +00002025U_BOOT_CMD(
2026 ide, 5, 1, do_ide,
Peter Tyser2fb26042009-01-27 18:03:12 -06002027 "IDE sub-system",
wdenk8bde7f72003-06-27 21:31:46 +00002028 "reset - reset IDE controller\n"
2029 "ide info - show available IDE devices\n"
2030 "ide device [dev] - show or set current device\n"
2031 "ide part [dev] - print partition table of one or all IDE devices\n"
2032 "ide read addr blk# cnt\n"
2033 "ide write addr blk# cnt - read/write `cnt'"
2034 " blocks starting at block `blk#'\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +02002035 " to/from memory address `addr'"
wdenk8bde7f72003-06-27 21:31:46 +00002036);
2037
wdenk0d498392003-07-01 21:06:45 +00002038U_BOOT_CMD(
2039 diskboot, 3, 1, do_diskboot,
Peter Tyser2fb26042009-01-27 18:03:12 -06002040 "boot from IDE device",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02002041 "loadAddr dev:part"
wdenk8bde7f72003-06-27 21:31:46 +00002042);