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wdenk38635852002-08-27 05:55:31 +00001/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * Memory Functions
26 *
27 * Copied from FADS ROM, Dan Malek (dmalek@jlc.net)
28 */
29
30#include <common.h>
31#include <command.h>
wdenk2abbe072003-06-16 23:50:08 +000032#ifdef CONFIG_HAS_DATAFLASH
33#include <dataflash.h>
34#endif
Simon Glassd20a40d2013-02-24 20:30:22 +000035#include <hash.h>
Sergei Poselenova6e6fc62008-04-09 16:09:41 +020036#include <watchdog.h>
Simon Glass0628ab82013-02-24 17:33:15 +000037#include <asm/io.h>
Simon Glass15a33e42012-11-30 13:01:20 +000038#include <linux/compiler.h>
39
40DECLARE_GLOBAL_DATA_PTR;
wdenk38635852002-08-27 05:55:31 +000041
Wolfgang Denk54841ab2010-06-28 22:00:46 +020042static int mod_mem(cmd_tbl_t *, int, int, int, char * const []);
wdenk38635852002-08-27 05:55:31 +000043
44/* Display values from last command.
45 * Memory modify remembered values are different from display memory.
46 */
Mike Frysingerd6efe242010-12-22 09:40:29 -050047static uint dp_last_addr, dp_last_size;
48static uint dp_last_length = 0x40;
49static uint mm_last_addr, mm_last_size;
wdenk38635852002-08-27 05:55:31 +000050
51static ulong base_address = 0;
52
53/* Memory Display
54 *
55 * Syntax:
56 * md{.b, .w, .l} {addr} {len}
57 */
58#define DISP_LINE_LEN 16
Kim Phillips088f1b12012-10-29 13:34:31 +000059static int do_mem_md(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +000060{
wdenk27b207f2003-07-24 23:38:38 +000061 ulong addr, length;
Grant Likelyc95c4282007-02-20 09:05:00 +010062#if defined(CONFIG_HAS_DATAFLASH)
63 ulong nbytes, linebytes;
64#endif
wdenk27b207f2003-07-24 23:38:38 +000065 int size;
wdenk38635852002-08-27 05:55:31 +000066 int rc = 0;
67
68 /* We use the last specified parameters, unless new ones are
69 * entered.
70 */
71 addr = dp_last_addr;
72 size = dp_last_size;
73 length = dp_last_length;
74
Wolfgang Denk47e26b12010-07-17 01:06:04 +020075 if (argc < 2)
Simon Glass4c12eeb2011-12-10 08:44:01 +000076 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +000077
78 if ((flag & CMD_FLAG_REPEAT) == 0) {
79 /* New command specified. Check for a size specification.
80 * Defaults to long if no or incorrect specification.
81 */
wdenk27b207f2003-07-24 23:38:38 +000082 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
83 return 1;
wdenk38635852002-08-27 05:55:31 +000084
85 /* Address is specified since argc > 1
86 */
87 addr = simple_strtoul(argv[1], NULL, 16);
88 addr += base_address;
89
90 /* If another parameter, it is the length to display.
91 * Length is the number of objects, not number of bytes.
92 */
93 if (argc > 2)
94 length = simple_strtoul(argv[2], NULL, 16);
95 }
96
Grant Likelyc95c4282007-02-20 09:05:00 +010097#if defined(CONFIG_HAS_DATAFLASH)
wdenk38635852002-08-27 05:55:31 +000098 /* Print the lines.
99 *
100 * We buffer all read data, so we can make sure data is read only
101 * once, and all accesses are with the specified bus width.
102 */
103 nbytes = length * size;
104 do {
105 char linebuf[DISP_LINE_LEN];
Grant Likelyc95c4282007-02-20 09:05:00 +0100106 void* p;
wdenk38635852002-08-27 05:55:31 +0000107 linebytes = (nbytes>DISP_LINE_LEN)?DISP_LINE_LEN:nbytes;
wdenk2abbe072003-06-16 23:50:08 +0000108
Grant Likelyc95c4282007-02-20 09:05:00 +0100109 rc = read_dataflash(addr, (linebytes/size)*size, linebuf);
110 p = (rc == DATAFLASH_OK) ? linebuf : (void*)addr;
111 print_buffer(addr, p, size, linebytes/size, DISP_LINE_LEN/size);
wdenk8bde7f72003-06-27 21:31:46 +0000112
wdenk38635852002-08-27 05:55:31 +0000113 nbytes -= linebytes;
Grant Likelyc95c4282007-02-20 09:05:00 +0100114 addr += linebytes;
wdenk38635852002-08-27 05:55:31 +0000115 if (ctrlc()) {
116 rc = 1;
117 break;
118 }
119 } while (nbytes > 0);
Grant Likelyc95c4282007-02-20 09:05:00 +0100120#else
Mike Frysinger4c727c72008-02-04 19:26:56 -0500121
122# if defined(CONFIG_BLACKFIN)
123 /* See if we're trying to display L1 inst */
124 if (addr_bfin_on_chip_mem(addr)) {
125 char linebuf[DISP_LINE_LEN];
126 ulong linebytes, nbytes = length * size;
127 do {
128 linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes;
129 memcpy(linebuf, (void *)addr, linebytes);
130 print_buffer(addr, linebuf, size, linebytes/size, DISP_LINE_LEN/size);
131
132 nbytes -= linebytes;
133 addr += linebytes;
134 if (ctrlc()) {
135 rc = 1;
136 break;
137 }
138 } while (nbytes > 0);
139 } else
140# endif
141
142 {
Simon Glass0628ab82013-02-24 17:33:15 +0000143 ulong bytes = size * length;
144 const void *buf = map_sysmem(addr, bytes);
145
Mike Frysinger4c727c72008-02-04 19:26:56 -0500146 /* Print the lines. */
Simon Glass0628ab82013-02-24 17:33:15 +0000147 print_buffer(addr, buf, size, length, DISP_LINE_LEN / size);
148 addr += bytes;
149 unmap_sysmem(buf);
Mike Frysinger4c727c72008-02-04 19:26:56 -0500150 }
Grant Likelyc95c4282007-02-20 09:05:00 +0100151#endif
wdenk38635852002-08-27 05:55:31 +0000152
153 dp_last_addr = addr;
154 dp_last_length = length;
155 dp_last_size = size;
156 return (rc);
157}
158
Kim Phillips088f1b12012-10-29 13:34:31 +0000159static int do_mem_mm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000160{
161 return mod_mem (cmdtp, 1, flag, argc, argv);
162}
Kim Phillips088f1b12012-10-29 13:34:31 +0000163static int do_mem_nm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000164{
165 return mod_mem (cmdtp, 0, flag, argc, argv);
166}
167
Kim Phillips088f1b12012-10-29 13:34:31 +0000168static int do_mem_mw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000169{
wdenk27b207f2003-07-24 23:38:38 +0000170 ulong addr, writeval, count;
171 int size;
Simon Glass0628ab82013-02-24 17:33:15 +0000172 void *buf;
173 ulong bytes;
wdenk38635852002-08-27 05:55:31 +0000174
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200175 if ((argc < 3) || (argc > 4))
Simon Glass4c12eeb2011-12-10 08:44:01 +0000176 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +0000177
178 /* Check for size specification.
179 */
wdenk27b207f2003-07-24 23:38:38 +0000180 if ((size = cmd_get_data_size(argv[0], 4)) < 1)
181 return 1;
wdenk38635852002-08-27 05:55:31 +0000182
183 /* Address is specified since argc > 1
184 */
185 addr = simple_strtoul(argv[1], NULL, 16);
186 addr += base_address;
187
188 /* Get the value to write.
189 */
190 writeval = simple_strtoul(argv[2], NULL, 16);
191
192 /* Count ? */
193 if (argc == 4) {
194 count = simple_strtoul(argv[3], NULL, 16);
195 } else {
196 count = 1;
197 }
198
Simon Glass0628ab82013-02-24 17:33:15 +0000199 bytes = size * count;
200 buf = map_sysmem(addr, bytes);
wdenk38635852002-08-27 05:55:31 +0000201 while (count-- > 0) {
202 if (size == 4)
Simon Glass0628ab82013-02-24 17:33:15 +0000203 *((ulong *)buf) = (ulong)writeval;
wdenk38635852002-08-27 05:55:31 +0000204 else if (size == 2)
Simon Glass0628ab82013-02-24 17:33:15 +0000205 *((ushort *)buf) = (ushort)writeval;
wdenk38635852002-08-27 05:55:31 +0000206 else
Simon Glass0628ab82013-02-24 17:33:15 +0000207 *((u_char *)buf) = (u_char)writeval;
208 buf += size;
wdenk38635852002-08-27 05:55:31 +0000209 }
Simon Glass0628ab82013-02-24 17:33:15 +0000210 unmap_sysmem(buf);
wdenk38635852002-08-27 05:55:31 +0000211 return 0;
212}
213
stroese4aaf29b2004-12-16 17:42:39 +0000214#ifdef CONFIG_MX_CYCLIC
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200215int do_mem_mdc ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
stroese4aaf29b2004-12-16 17:42:39 +0000216{
217 int i;
218 ulong count;
219
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200220 if (argc < 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000221 return CMD_RET_USAGE;
stroese4aaf29b2004-12-16 17:42:39 +0000222
223 count = simple_strtoul(argv[3], NULL, 10);
224
225 for (;;) {
226 do_mem_md (NULL, 0, 3, argv);
227
228 /* delay for <count> ms... */
229 for (i=0; i<count; i++)
230 udelay (1000);
231
232 /* check for ctrl-c to abort... */
233 if (ctrlc()) {
234 puts("Abort\n");
235 return 0;
236 }
237 }
238
239 return 0;
240}
241
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200242int do_mem_mwc ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
stroese4aaf29b2004-12-16 17:42:39 +0000243{
244 int i;
245 ulong count;
246
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200247 if (argc < 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000248 return CMD_RET_USAGE;
stroese4aaf29b2004-12-16 17:42:39 +0000249
250 count = simple_strtoul(argv[3], NULL, 10);
251
252 for (;;) {
253 do_mem_mw (NULL, 0, 3, argv);
254
255 /* delay for <count> ms... */
256 for (i=0; i<count; i++)
257 udelay (1000);
258
259 /* check for ctrl-c to abort... */
260 if (ctrlc()) {
261 puts("Abort\n");
262 return 0;
263 }
264 }
265
266 return 0;
267}
268#endif /* CONFIG_MX_CYCLIC */
269
Kim Phillips088f1b12012-10-29 13:34:31 +0000270static int do_mem_cmp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000271{
Simon Glass0628ab82013-02-24 17:33:15 +0000272 ulong addr1, addr2, count, ngood, bytes;
wdenk27b207f2003-07-24 23:38:38 +0000273 int size;
wdenk38635852002-08-27 05:55:31 +0000274 int rcode = 0;
Mike Frysinger054ea172012-01-20 09:07:21 +0000275 const char *type;
Simon Glass0628ab82013-02-24 17:33:15 +0000276 const void *buf1, *buf2, *base;
wdenk38635852002-08-27 05:55:31 +0000277
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200278 if (argc != 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000279 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +0000280
281 /* Check for size specification.
282 */
wdenk27b207f2003-07-24 23:38:38 +0000283 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
284 return 1;
Mike Frysinger054ea172012-01-20 09:07:21 +0000285 type = size == 4 ? "word" : size == 2 ? "halfword" : "byte";
wdenk38635852002-08-27 05:55:31 +0000286
287 addr1 = simple_strtoul(argv[1], NULL, 16);
288 addr1 += base_address;
289
290 addr2 = simple_strtoul(argv[2], NULL, 16);
291 addr2 += base_address;
292
293 count = simple_strtoul(argv[3], NULL, 16);
294
wdenk2abbe072003-06-16 23:50:08 +0000295#ifdef CONFIG_HAS_DATAFLASH
296 if (addr_dataflash(addr1) | addr_dataflash(addr2)){
wdenk4b9206e2004-03-23 22:14:11 +0000297 puts ("Comparison with DataFlash space not supported.\n\r");
wdenk2abbe072003-06-16 23:50:08 +0000298 return 0;
299 }
300#endif
301
Mike Frysinger4c727c72008-02-04 19:26:56 -0500302#ifdef CONFIG_BLACKFIN
303 if (addr_bfin_on_chip_mem(addr1) || addr_bfin_on_chip_mem(addr2)) {
304 puts ("Comparison with L1 instruction memory not supported.\n\r");
305 return 0;
306 }
307#endif
308
Simon Glass0628ab82013-02-24 17:33:15 +0000309 bytes = size * count;
310 base = buf1 = map_sysmem(addr1, bytes);
311 buf2 = map_sysmem(addr2, bytes);
Mike Frysingerfeb12a12012-01-20 09:07:22 +0000312 for (ngood = 0; ngood < count; ++ngood) {
Mike Frysinger054ea172012-01-20 09:07:21 +0000313 ulong word1, word2;
wdenk38635852002-08-27 05:55:31 +0000314 if (size == 4) {
Simon Glass0628ab82013-02-24 17:33:15 +0000315 word1 = *(ulong *)buf1;
316 word2 = *(ulong *)buf2;
Mike Frysinger054ea172012-01-20 09:07:21 +0000317 } else if (size == 2) {
Simon Glass0628ab82013-02-24 17:33:15 +0000318 word1 = *(ushort *)buf1;
319 word2 = *(ushort *)buf2;
Mike Frysinger054ea172012-01-20 09:07:21 +0000320 } else {
Simon Glass0628ab82013-02-24 17:33:15 +0000321 word1 = *(u_char *)buf1;
322 word2 = *(u_char *)buf2;
wdenk38635852002-08-27 05:55:31 +0000323 }
Mike Frysinger054ea172012-01-20 09:07:21 +0000324 if (word1 != word2) {
Simon Glass0628ab82013-02-24 17:33:15 +0000325 ulong offset = buf1 - base;
326
Mike Frysinger054ea172012-01-20 09:07:21 +0000327 printf("%s at 0x%08lx (%#0*lx) != %s at 0x%08lx (%#0*lx)\n",
Simon Glass0628ab82013-02-24 17:33:15 +0000328 type, (ulong)(addr1 + offset), size, word1,
329 type, (ulong)(addr2 + offset), size, word2);
Mike Frysinger054ea172012-01-20 09:07:21 +0000330 rcode = 1;
331 break;
wdenk38635852002-08-27 05:55:31 +0000332 }
Mike Frysinger054ea172012-01-20 09:07:21 +0000333
Simon Glass0628ab82013-02-24 17:33:15 +0000334 buf1 += size;
335 buf2 += size;
Stefan Roeseeaadb442010-09-13 11:10:34 +0200336
337 /* reset watchdog from time to time */
Mike Frysingerfeb12a12012-01-20 09:07:22 +0000338 if ((ngood % (64 << 10)) == 0)
Stefan Roeseeaadb442010-09-13 11:10:34 +0200339 WATCHDOG_RESET();
wdenk38635852002-08-27 05:55:31 +0000340 }
Simon Glass0628ab82013-02-24 17:33:15 +0000341 unmap_sysmem(buf1);
342 unmap_sysmem(buf2);
wdenk38635852002-08-27 05:55:31 +0000343
Mike Frysinger054ea172012-01-20 09:07:21 +0000344 printf("Total of %ld %s(s) were the same\n", ngood, type);
wdenk38635852002-08-27 05:55:31 +0000345 return rcode;
346}
347
Kim Phillips088f1b12012-10-29 13:34:31 +0000348static int do_mem_cp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000349{
Simon Glass0628ab82013-02-24 17:33:15 +0000350 ulong addr, dest, count, bytes;
wdenk27b207f2003-07-24 23:38:38 +0000351 int size;
Simon Glass0628ab82013-02-24 17:33:15 +0000352 const void *src;
353 void *buf;
wdenk38635852002-08-27 05:55:31 +0000354
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200355 if (argc != 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000356 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +0000357
358 /* Check for size specification.
359 */
wdenk27b207f2003-07-24 23:38:38 +0000360 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
361 return 1;
wdenk38635852002-08-27 05:55:31 +0000362
363 addr = simple_strtoul(argv[1], NULL, 16);
364 addr += base_address;
365
366 dest = simple_strtoul(argv[2], NULL, 16);
367 dest += base_address;
368
369 count = simple_strtoul(argv[3], NULL, 16);
370
371 if (count == 0) {
372 puts ("Zero length ???\n");
373 return 1;
374 }
375
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200376#ifndef CONFIG_SYS_NO_FLASH
wdenk38635852002-08-27 05:55:31 +0000377 /* check if we are copying to Flash */
wdenk2abbe072003-06-16 23:50:08 +0000378 if ( (addr2info(dest) != NULL)
379#ifdef CONFIG_HAS_DATAFLASH
Kim B. Heino84d0c2f2008-03-03 10:39:13 +0200380 && (!addr_dataflash(dest))
wdenk2abbe072003-06-16 23:50:08 +0000381#endif
382 ) {
wdenk38635852002-08-27 05:55:31 +0000383 int rc;
384
wdenk4b9206e2004-03-23 22:14:11 +0000385 puts ("Copy to Flash... ");
wdenk38635852002-08-27 05:55:31 +0000386
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200387 rc = flash_write ((char *)addr, dest, count*size);
wdenk38635852002-08-27 05:55:31 +0000388 if (rc != 0) {
389 flash_perror (rc);
390 return (1);
391 }
392 puts ("done\n");
393 return 0;
394 }
395#endif
396
wdenk2abbe072003-06-16 23:50:08 +0000397#ifdef CONFIG_HAS_DATAFLASH
398 /* Check if we are copying from RAM or Flash to DataFlash */
399 if (addr_dataflash(dest) && !addr_dataflash(addr)){
400 int rc;
401
wdenk4b9206e2004-03-23 22:14:11 +0000402 puts ("Copy to DataFlash... ");
wdenk2abbe072003-06-16 23:50:08 +0000403
404 rc = write_dataflash (dest, addr, count*size);
405
406 if (rc != 1) {
407 dataflash_perror (rc);
408 return (1);
409 }
410 puts ("done\n");
411 return 0;
412 }
wdenk8bde7f72003-06-27 21:31:46 +0000413
wdenk2abbe072003-06-16 23:50:08 +0000414 /* Check if we are copying from DataFlash to RAM */
Stelian Pop880cc432008-03-26 22:52:35 +0100415 if (addr_dataflash(addr) && !addr_dataflash(dest)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200416#ifndef CONFIG_SYS_NO_FLASH
Stelian Pop880cc432008-03-26 22:52:35 +0100417 && (addr2info(dest) == NULL)
418#endif
419 ){
wdenk5779d8d2003-12-06 23:55:10 +0000420 int rc;
421 rc = read_dataflash(addr, count * size, (char *) dest);
422 if (rc != 1) {
wdenkd4ca31c2004-01-02 14:00:00 +0000423 dataflash_perror (rc);
424 return (1);
425 }
wdenk2abbe072003-06-16 23:50:08 +0000426 return 0;
427 }
428
429 if (addr_dataflash(addr) && addr_dataflash(dest)){
wdenk4b9206e2004-03-23 22:14:11 +0000430 puts ("Unsupported combination of source/destination.\n\r");
wdenk2abbe072003-06-16 23:50:08 +0000431 return 1;
432 }
433#endif
434
Mike Frysinger4c727c72008-02-04 19:26:56 -0500435#ifdef CONFIG_BLACKFIN
436 /* See if we're copying to/from L1 inst */
437 if (addr_bfin_on_chip_mem(dest) || addr_bfin_on_chip_mem(addr)) {
438 memcpy((void *)dest, (void *)addr, count * size);
439 return 0;
440 }
441#endif
442
Simon Glass0628ab82013-02-24 17:33:15 +0000443 bytes = size * count;
444 buf = map_sysmem(addr, bytes);
445 src = map_sysmem(addr, bytes);
wdenk38635852002-08-27 05:55:31 +0000446 while (count-- > 0) {
447 if (size == 4)
Simon Glass0628ab82013-02-24 17:33:15 +0000448 *((ulong *)buf) = *((ulong *)src);
wdenk38635852002-08-27 05:55:31 +0000449 else if (size == 2)
Simon Glass0628ab82013-02-24 17:33:15 +0000450 *((ushort *)buf) = *((ushort *)src);
wdenk38635852002-08-27 05:55:31 +0000451 else
Simon Glass0628ab82013-02-24 17:33:15 +0000452 *((u_char *)buf) = *((u_char *)src);
453 src += size;
454 buf += size;
Stefan Roeseeaadb442010-09-13 11:10:34 +0200455
456 /* reset watchdog from time to time */
457 if ((count % (64 << 10)) == 0)
458 WATCHDOG_RESET();
wdenk38635852002-08-27 05:55:31 +0000459 }
460 return 0;
461}
462
Kim Phillips088f1b12012-10-29 13:34:31 +0000463static int do_mem_base(cmd_tbl_t *cmdtp, int flag, int argc,
464 char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000465{
466 if (argc > 1) {
467 /* Set new base address.
468 */
469 base_address = simple_strtoul(argv[1], NULL, 16);
470 }
471 /* Print the current base address.
472 */
473 printf("Base Address: 0x%08lx\n", base_address);
474 return 0;
475}
476
Kim Phillips088f1b12012-10-29 13:34:31 +0000477static int do_mem_loop(cmd_tbl_t *cmdtp, int flag, int argc,
478 char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000479{
Simon Glass0628ab82013-02-24 17:33:15 +0000480 ulong addr, length, i, bytes;
wdenk27b207f2003-07-24 23:38:38 +0000481 int size;
wdenk38635852002-08-27 05:55:31 +0000482 volatile uint *longp;
483 volatile ushort *shortp;
484 volatile u_char *cp;
Simon Glass0628ab82013-02-24 17:33:15 +0000485 const void *buf;
wdenk38635852002-08-27 05:55:31 +0000486
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200487 if (argc < 3)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000488 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +0000489
Robert P. J. Day85de63e2013-02-03 02:29:54 +0000490 /*
491 * Check for a size specification.
wdenk38635852002-08-27 05:55:31 +0000492 * Defaults to long if no or incorrect specification.
493 */
wdenk27b207f2003-07-24 23:38:38 +0000494 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
495 return 1;
wdenk38635852002-08-27 05:55:31 +0000496
497 /* Address is always specified.
498 */
499 addr = simple_strtoul(argv[1], NULL, 16);
500
501 /* Length is the number of objects, not number of bytes.
502 */
503 length = simple_strtoul(argv[2], NULL, 16);
504
Simon Glass0628ab82013-02-24 17:33:15 +0000505 bytes = size * length;
506 buf = map_sysmem(addr, bytes);
507
wdenk38635852002-08-27 05:55:31 +0000508 /* We want to optimize the loops to run as fast as possible.
509 * If we have only one object, just run infinite loops.
510 */
511 if (length == 1) {
512 if (size == 4) {
Simon Glass0628ab82013-02-24 17:33:15 +0000513 longp = (uint *)buf;
wdenk38635852002-08-27 05:55:31 +0000514 for (;;)
515 i = *longp;
516 }
517 if (size == 2) {
Simon Glass0628ab82013-02-24 17:33:15 +0000518 shortp = (ushort *)buf;
wdenk38635852002-08-27 05:55:31 +0000519 for (;;)
520 i = *shortp;
521 }
Simon Glass0628ab82013-02-24 17:33:15 +0000522 cp = (u_char *)buf;
wdenk38635852002-08-27 05:55:31 +0000523 for (;;)
524 i = *cp;
525 }
526
527 if (size == 4) {
528 for (;;) {
Simon Glass0628ab82013-02-24 17:33:15 +0000529 longp = (uint *)buf;
wdenk38635852002-08-27 05:55:31 +0000530 i = length;
531 while (i-- > 0)
Marek Vasutf3b3c3d2011-09-26 02:26:06 +0200532 *longp++;
wdenk38635852002-08-27 05:55:31 +0000533 }
534 }
535 if (size == 2) {
536 for (;;) {
Simon Glass0628ab82013-02-24 17:33:15 +0000537 shortp = (ushort *)buf;
wdenk38635852002-08-27 05:55:31 +0000538 i = length;
539 while (i-- > 0)
Marek Vasutf3b3c3d2011-09-26 02:26:06 +0200540 *shortp++;
wdenk38635852002-08-27 05:55:31 +0000541 }
542 }
543 for (;;) {
Simon Glass0628ab82013-02-24 17:33:15 +0000544 cp = (u_char *)buf;
wdenk38635852002-08-27 05:55:31 +0000545 i = length;
546 while (i-- > 0)
Marek Vasutf3b3c3d2011-09-26 02:26:06 +0200547 *cp++;
wdenk38635852002-08-27 05:55:31 +0000548 }
Simon Glass0628ab82013-02-24 17:33:15 +0000549 unmap_sysmem(buf);
wdenk38635852002-08-27 05:55:31 +0000550}
551
wdenk56523f12004-07-11 17:40:54 +0000552#ifdef CONFIG_LOOPW
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200553int do_mem_loopw (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk56523f12004-07-11 17:40:54 +0000554{
Simon Glass0628ab82013-02-24 17:33:15 +0000555 ulong addr, length, i, data, bytes;
wdenk56523f12004-07-11 17:40:54 +0000556 int size;
557 volatile uint *longp;
558 volatile ushort *shortp;
559 volatile u_char *cp;
Simon Glass0628ab82013-02-24 17:33:15 +0000560 void *buf;
wdenk81050922004-07-11 20:04:51 +0000561
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200562 if (argc < 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000563 return CMD_RET_USAGE;
wdenk56523f12004-07-11 17:40:54 +0000564
Robert P. J. Day85de63e2013-02-03 02:29:54 +0000565 /*
566 * Check for a size specification.
wdenk56523f12004-07-11 17:40:54 +0000567 * Defaults to long if no or incorrect specification.
568 */
569 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
570 return 1;
571
572 /* Address is always specified.
573 */
574 addr = simple_strtoul(argv[1], NULL, 16);
575
576 /* Length is the number of objects, not number of bytes.
577 */
578 length = simple_strtoul(argv[2], NULL, 16);
579
580 /* data to write */
581 data = simple_strtoul(argv[3], NULL, 16);
wdenk81050922004-07-11 20:04:51 +0000582
Simon Glass0628ab82013-02-24 17:33:15 +0000583 bytes = size * length;
584 buf = map_sysmem(addr, bytes);
585
wdenk56523f12004-07-11 17:40:54 +0000586 /* We want to optimize the loops to run as fast as possible.
587 * If we have only one object, just run infinite loops.
588 */
589 if (length == 1) {
590 if (size == 4) {
Simon Glass0628ab82013-02-24 17:33:15 +0000591 longp = (uint *)buf;
wdenk56523f12004-07-11 17:40:54 +0000592 for (;;)
593 *longp = data;
594 }
595 if (size == 2) {
Simon Glass0628ab82013-02-24 17:33:15 +0000596 shortp = (ushort *)buf;
wdenk56523f12004-07-11 17:40:54 +0000597 for (;;)
598 *shortp = data;
599 }
Simon Glass0628ab82013-02-24 17:33:15 +0000600 cp = (u_char *)buf;
wdenk56523f12004-07-11 17:40:54 +0000601 for (;;)
602 *cp = data;
603 }
604
605 if (size == 4) {
606 for (;;) {
Simon Glass0628ab82013-02-24 17:33:15 +0000607 longp = (uint *)buf;
wdenk56523f12004-07-11 17:40:54 +0000608 i = length;
609 while (i-- > 0)
610 *longp++ = data;
611 }
612 }
613 if (size == 2) {
614 for (;;) {
Simon Glass0628ab82013-02-24 17:33:15 +0000615 shortp = (ushort *)buf;
wdenk56523f12004-07-11 17:40:54 +0000616 i = length;
617 while (i-- > 0)
618 *shortp++ = data;
619 }
620 }
621 for (;;) {
Simon Glass0628ab82013-02-24 17:33:15 +0000622 cp = (u_char *)buf;
wdenk56523f12004-07-11 17:40:54 +0000623 i = length;
624 while (i-- > 0)
625 *cp++ = data;
626 }
627}
628#endif /* CONFIG_LOOPW */
629
Simon Glass8c86bbe2013-02-24 17:33:20 +0000630static ulong mem_test_alt(ulong start_addr, ulong end_addr)
wdenk38635852002-08-27 05:55:31 +0000631{
Simon Glass8c86bbe2013-02-24 17:33:20 +0000632 vu_long *start, *end;
Simon Glassc9638f52013-02-24 17:33:16 +0000633 vu_long *addr;
Simon Glassc9638f52013-02-24 17:33:16 +0000634 ulong errs = 0;
635 ulong val, readback;
636 int j;
637 vu_long len;
638 vu_long offset;
639 vu_long test_offset;
640 vu_long pattern;
641 vu_long temp;
642 vu_long anti_pattern;
643 vu_long num_words;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200644#if defined(CONFIG_SYS_MEMTEST_SCRATCH)
Simon Glassc9638f52013-02-24 17:33:16 +0000645 vu_long *dummy = (vu_long *)CONFIG_SYS_MEMTEST_SCRATCH;
wdenk5f535fe2003-09-18 09:21:33 +0000646#else
Kim Phillips088f1b12012-10-29 13:34:31 +0000647 vu_long *dummy = NULL; /* yes, this is address 0x0, not NULL */
wdenk5f535fe2003-09-18 09:21:33 +0000648#endif
wdenk38635852002-08-27 05:55:31 +0000649 static const ulong bitpattern[] = {
650 0x00000001, /* single bit */
651 0x00000003, /* two adjacent bits */
652 0x00000007, /* three adjacent bits */
653 0x0000000F, /* four adjacent bits */
654 0x00000005, /* two non-adjacent bits */
655 0x00000015, /* three non-adjacent bits */
656 0x00000055, /* four non-adjacent bits */
657 0xaaaaaaaa, /* alternating 1/0 */
658 };
wdenk38635852002-08-27 05:55:31 +0000659
Simon Glass8c86bbe2013-02-24 17:33:20 +0000660 start = (vu_long *)start_addr;
661 end = (vu_long *)end_addr;
662
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000663 /*
664 * Data line test: write a pattern to the first
665 * location, write the 1's complement to a 'parking'
666 * address (changes the state of the data bus so a
667 * floating bus doesn't give a false OK), and then
668 * read the value back. Note that we read it back
669 * into a variable because the next time we read it,
670 * it might be right (been there, tough to explain to
671 * the quality guys why it prints a failure when the
672 * "is" and "should be" are obviously the same in the
673 * error message).
674 *
675 * Rather than exhaustively testing, we test some
676 * patterns by shifting '1' bits through a field of
677 * '0's and '0' bits through a field of '1's (i.e.
678 * pattern and ~pattern).
679 */
680 addr = start;
681 for (j = 0; j < sizeof(bitpattern) / sizeof(bitpattern[0]); j++) {
682 val = bitpattern[j];
683 for (; val != 0; val <<= 1) {
wdenk38635852002-08-27 05:55:31 +0000684 *addr = val;
Simon Glassc9638f52013-02-24 17:33:16 +0000685 *dummy = ~val; /* clear the test data off the bus */
wdenk38635852002-08-27 05:55:31 +0000686 readback = *addr;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000687 if (readback != val) {
Simon Glassc9638f52013-02-24 17:33:16 +0000688 printf("FAILURE (data line): "
689 "expected %08lx, actual %08lx\n",
690 val, readback);
691 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000692 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000693 return -1;
wdenk38635852002-08-27 05:55:31 +0000694 }
695 *addr = ~val;
696 *dummy = val;
697 readback = *addr;
Simon Glassc9638f52013-02-24 17:33:16 +0000698 if (readback != ~val) {
699 printf("FAILURE (data line): "
700 "Is %08lx, should be %08lx\n",
701 readback, ~val);
702 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000703 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000704 return -1;
wdenk38635852002-08-27 05:55:31 +0000705 }
wdenk38635852002-08-27 05:55:31 +0000706 }
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000707 }
wdenk38635852002-08-27 05:55:31 +0000708
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000709 /*
710 * Based on code whose Original Author and Copyright
711 * information follows: Copyright (c) 1998 by Michael
712 * Barr. This software is placed into the public
713 * domain and may be used for any purpose. However,
714 * this notice must not be changed or removed and no
715 * warranty is either expressed or implied by its
716 * publication or distribution.
717 */
wdenk38635852002-08-27 05:55:31 +0000718
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000719 /*
720 * Address line test
wdenk38635852002-08-27 05:55:31 +0000721
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000722 * Description: Test the address bus wiring in a
723 * memory region by performing a walking
724 * 1's test on the relevant bits of the
725 * address and checking for aliasing.
726 * This test will find single-bit
727 * address failures such as stuck-high,
728 * stuck-low, and shorted pins. The base
729 * address and size of the region are
730 * selected by the caller.
wdenk38635852002-08-27 05:55:31 +0000731
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000732 * Notes: For best results, the selected base
733 * address should have enough LSB 0's to
734 * guarantee single address bit changes.
735 * For example, to test a 64-Kbyte
736 * region, select a base address on a
737 * 64-Kbyte boundary. Also, select the
738 * region size as a power-of-two if at
739 * all possible.
740 *
741 * Returns: 0 if the test succeeds, 1 if the test fails.
742 */
Simon Glass8c86bbe2013-02-24 17:33:20 +0000743 len = (end_addr - start_addr) / sizeof(vu_long);
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000744 pattern = (vu_long) 0xaaaaaaaa;
745 anti_pattern = (vu_long) 0x55555555;
wdenk38635852002-08-27 05:55:31 +0000746
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000747 debug("%s:%d: length = 0x%.8lx\n",
748 __func__, __LINE__, len);
749 /*
750 * Write the default pattern at each of the
751 * power-of-two offsets.
752 */
753 for (offset = 1; offset < len; offset <<= 1)
754 start[offset] = pattern;
755
756 /*
757 * Check for address bits stuck high.
758 */
759 test_offset = 0;
760 start[test_offset] = anti_pattern;
761
762 for (offset = 1; offset < len; offset <<= 1) {
763 temp = start[offset];
764 if (temp != pattern) {
Simon Glassc9638f52013-02-24 17:33:16 +0000765 printf("\nFAILURE: Address bit stuck high @ 0x%.8lx:"
wdenk38635852002-08-27 05:55:31 +0000766 " expected 0x%.8lx, actual 0x%.8lx\n",
767 (ulong)&start[offset], pattern, temp);
Paul Gortmaker87b22b72009-10-02 18:18:33 -0400768 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000769 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000770 return -1;
wdenk38635852002-08-27 05:55:31 +0000771 }
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000772 }
773 start[test_offset] = pattern;
774 WATCHDOG_RESET();
wdenk38635852002-08-27 05:55:31 +0000775
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000776 /*
777 * Check for addr bits stuck low or shorted.
778 */
779 for (test_offset = 1; test_offset < len; test_offset <<= 1) {
780 start[test_offset] = anti_pattern;
wdenk38635852002-08-27 05:55:31 +0000781
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000782 for (offset = 1; offset < len; offset <<= 1) {
783 temp = start[offset];
784 if ((temp != pattern) && (offset != test_offset)) {
785 printf("\nFAILURE: Address bit stuck low or"
786 " shorted @ 0x%.8lx: expected 0x%.8lx,"
787 " actual 0x%.8lx\n",
788 (ulong)&start[offset], pattern, temp);
789 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000790 if (ctrlc())
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000791 return -1;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000792 }
wdenk38635852002-08-27 05:55:31 +0000793 }
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000794 start[test_offset] = pattern;
795 }
wdenk38635852002-08-27 05:55:31 +0000796
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000797 /*
798 * Description: Test the integrity of a physical
799 * memory device by performing an
800 * increment/decrement test over the
801 * entire region. In the process every
802 * storage bit in the device is tested
803 * as a zero and a one. The base address
804 * and the size of the region are
805 * selected by the caller.
806 *
807 * Returns: 0 if the test succeeds, 1 if the test fails.
808 */
809 num_words = ((ulong)end - (ulong)start)/sizeof(vu_long) + 1;
810
811 /*
812 * Fill memory with a known pattern.
813 */
814 for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
815 WATCHDOG_RESET();
816 start[offset] = pattern;
817 }
818
819 /*
820 * Check each location and invert it for the second pass.
821 */
822 for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
823 WATCHDOG_RESET();
824 temp = start[offset];
825 if (temp != pattern) {
Simon Glassc9638f52013-02-24 17:33:16 +0000826 printf("\nFAILURE (read/write) @ 0x%.8lx:"
wdenk38635852002-08-27 05:55:31 +0000827 " expected 0x%.8lx, actual 0x%.8lx)\n",
828 (ulong)&start[offset], pattern, temp);
Paul Gortmaker87b22b72009-10-02 18:18:33 -0400829 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000830 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000831 return -1;
wdenk38635852002-08-27 05:55:31 +0000832 }
833
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000834 anti_pattern = ~pattern;
835 start[offset] = anti_pattern;
836 }
837
838 /*
839 * Check each location for the inverted pattern and zero it.
840 */
841 for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
842 WATCHDOG_RESET();
843 anti_pattern = ~pattern;
844 temp = start[offset];
845 if (temp != anti_pattern) {
Simon Glassc9638f52013-02-24 17:33:16 +0000846 printf("\nFAILURE (read/write): @ 0x%.8lx:"
wdenk38635852002-08-27 05:55:31 +0000847 " expected 0x%.8lx, actual 0x%.8lx)\n",
848 (ulong)&start[offset], anti_pattern, temp);
Paul Gortmaker87b22b72009-10-02 18:18:33 -0400849 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000850 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000851 return -1;
wdenk38635852002-08-27 05:55:31 +0000852 }
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000853 start[offset] = 0;
854 }
Simon Glass51209b12013-02-24 17:33:17 +0000855
856 return 0;
Simon Glassc9638f52013-02-24 17:33:16 +0000857}
wdenk38635852002-08-27 05:55:31 +0000858
Simon Glass8c86bbe2013-02-24 17:33:20 +0000859static ulong mem_test_quick(ulong start_addr, ulong end_addr, vu_long pattern,
Simon Glass51209b12013-02-24 17:33:17 +0000860 int iteration)
Simon Glassc9638f52013-02-24 17:33:16 +0000861{
Simon Glass8c86bbe2013-02-24 17:33:20 +0000862 vu_long *start, *end;
Simon Glassc9638f52013-02-24 17:33:16 +0000863 vu_long *addr;
Simon Glassc9638f52013-02-24 17:33:16 +0000864 ulong errs = 0;
865 ulong incr;
866 ulong val, readback;
867
Simon Glass51209b12013-02-24 17:33:17 +0000868 /* Alternate the pattern */
wdenk38635852002-08-27 05:55:31 +0000869 incr = 1;
Simon Glass51209b12013-02-24 17:33:17 +0000870 if (iteration & 1) {
871 incr = -incr;
872 /*
873 * Flip the pattern each time to make lots of zeros and
874 * then, the next time, lots of ones. We decrement
875 * the "negative" patterns and increment the "positive"
876 * patterns to preserve this feature.
877 */
878 if (pattern & 0x80000000)
879 pattern = -pattern; /* complement & increment */
880 else
881 pattern = ~pattern;
882 }
Simon Glass8c86bbe2013-02-24 17:33:20 +0000883 start = (vu_long *)start_addr;
884 end = (vu_long *)end_addr;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000885 printf("\rPattern %08lX Writing..."
886 "%12s"
887 "\b\b\b\b\b\b\b\b\b\b",
888 pattern, "");
wdenk38635852002-08-27 05:55:31 +0000889
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000890 for (addr = start, val = pattern; addr < end; addr++) {
891 WATCHDOG_RESET();
892 *addr = val;
893 val += incr;
894 }
wdenk38635852002-08-27 05:55:31 +0000895
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000896 puts("Reading...");
wdenk38635852002-08-27 05:55:31 +0000897
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000898 for (addr = start, val = pattern; addr < end; addr++) {
899 WATCHDOG_RESET();
900 readback = *addr;
901 if (readback != val) {
902 printf("\nMem error @ 0x%08X: "
903 "found %08lX, expected %08lX\n",
904 (uint)(uintptr_t)addr, readback, val);
905 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000906 if (ctrlc())
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000907 return -1;
wdenk38635852002-08-27 05:55:31 +0000908 }
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000909 val += incr;
910 }
wdenk38635852002-08-27 05:55:31 +0000911
Simon Glass51209b12013-02-24 17:33:17 +0000912 return 0;
Simon Glassc9638f52013-02-24 17:33:16 +0000913}
914
915/*
916 * Perform a memory test. A more complete alternative test can be
917 * configured using CONFIG_SYS_ALT_MEMTEST. The complete test loops until
918 * interrupted by ctrl-c or by a failure of one of the sub-tests.
919 */
920static int do_mem_mtest(cmd_tbl_t *cmdtp, int flag, int argc,
921 char * const argv[])
922{
Simon Glass8c86bbe2013-02-24 17:33:20 +0000923 ulong start, end;
Simon Glassc9638f52013-02-24 17:33:16 +0000924 int iteration_limit;
925 int ret;
Simon Glass51209b12013-02-24 17:33:17 +0000926 ulong errs = 0; /* number of errors, or -1 if interrupted */
Simon Glassc9638f52013-02-24 17:33:16 +0000927 ulong pattern;
Simon Glass51209b12013-02-24 17:33:17 +0000928 int iteration;
Simon Glassc9638f52013-02-24 17:33:16 +0000929#if defined(CONFIG_SYS_ALT_MEMTEST)
930 const int alt_test = 1;
931#else
932 const int alt_test = 0;
wdenk38635852002-08-27 05:55:31 +0000933#endif
Simon Glassc9638f52013-02-24 17:33:16 +0000934
935 if (argc > 1)
Simon Glass8c86bbe2013-02-24 17:33:20 +0000936 start = simple_strtoul(argv[1], NULL, 16);
Simon Glassc9638f52013-02-24 17:33:16 +0000937 else
Simon Glass8c86bbe2013-02-24 17:33:20 +0000938 start = CONFIG_SYS_MEMTEST_START;
Simon Glassc9638f52013-02-24 17:33:16 +0000939
940 if (argc > 2)
Simon Glass8c86bbe2013-02-24 17:33:20 +0000941 end = simple_strtoul(argv[2], NULL, 16);
Simon Glassc9638f52013-02-24 17:33:16 +0000942 else
Simon Glass8c86bbe2013-02-24 17:33:20 +0000943 end = CONFIG_SYS_MEMTEST_END;
Simon Glassc9638f52013-02-24 17:33:16 +0000944
945 if (argc > 3)
946 pattern = (ulong)simple_strtoul(argv[3], NULL, 16);
947 else
948 pattern = 0;
949
950 if (argc > 4)
951 iteration_limit = (ulong)simple_strtoul(argv[4], NULL, 16);
952 else
953 iteration_limit = 0;
954
Simon Glass8c86bbe2013-02-24 17:33:20 +0000955 printf("Testing %08x ... %08x:\n", (uint)start, (uint)end);
956 debug("%s:%d: start %#08lx end %#08lx\n", __func__, __LINE__,
957 start, end);
Simon Glass51209b12013-02-24 17:33:17 +0000958
959 for (iteration = 0;
960 !iteration_limit || iteration < iteration_limit;
961 iteration++) {
962 if (ctrlc()) {
Simon Glass51209b12013-02-24 17:33:17 +0000963 errs = -1UL;
964 break;
965 }
966
967 printf("Iteration: %6d\r", iteration + 1);
968 debug("\n");
969 if (alt_test)
970 errs = mem_test_alt(start, end);
971 else
972 errs = mem_test_quick(start, end, pattern, iteration);
973 }
974
975 if (errs == -1UL) {
Simon Glassc44d4382013-02-24 17:33:19 +0000976 /* Memory test was aborted - write a newline to finish off */
977 putc('\n');
Simon Glass51209b12013-02-24 17:33:17 +0000978 ret = 1;
979 } else {
980 printf("Tested %d iteration(s) with %lu errors.\n",
981 iteration, errs);
982 ret = errs != 0;
983 }
Simon Glassc9638f52013-02-24 17:33:16 +0000984
985 return ret; /* not reached */
wdenk38635852002-08-27 05:55:31 +0000986}
987
988
989/* Modify memory.
990 *
991 * Syntax:
992 * mm{.b, .w, .l} {addr}
993 * nm{.b, .w, .l} {addr}
994 */
995static int
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200996mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000997{
wdenk27b207f2003-07-24 23:38:38 +0000998 ulong addr, i;
999 int nbytes, size;
Simon Glass0628ab82013-02-24 17:33:15 +00001000 void *ptr = NULL;
wdenk38635852002-08-27 05:55:31 +00001001
Wolfgang Denk47e26b12010-07-17 01:06:04 +02001002 if (argc != 2)
Simon Glass4c12eeb2011-12-10 08:44:01 +00001003 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +00001004
1005#ifdef CONFIG_BOOT_RETRY_TIME
1006 reset_cmd_timeout(); /* got a good command to get here */
1007#endif
1008 /* We use the last specified parameters, unless new ones are
1009 * entered.
1010 */
1011 addr = mm_last_addr;
1012 size = mm_last_size;
1013
1014 if ((flag & CMD_FLAG_REPEAT) == 0) {
1015 /* New command specified. Check for a size specification.
1016 * Defaults to long if no or incorrect specification.
1017 */
wdenk27b207f2003-07-24 23:38:38 +00001018 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
1019 return 1;
wdenk38635852002-08-27 05:55:31 +00001020
1021 /* Address is specified since argc > 1
1022 */
1023 addr = simple_strtoul(argv[1], NULL, 16);
1024 addr += base_address;
1025 }
1026
wdenk2abbe072003-06-16 23:50:08 +00001027#ifdef CONFIG_HAS_DATAFLASH
1028 if (addr_dataflash(addr)){
wdenk4b9206e2004-03-23 22:14:11 +00001029 puts ("Can't modify DataFlash in place. Use cp instead.\n\r");
wdenk2abbe072003-06-16 23:50:08 +00001030 return 0;
1031 }
1032#endif
1033
Mike Frysinger4c727c72008-02-04 19:26:56 -05001034#ifdef CONFIG_BLACKFIN
1035 if (addr_bfin_on_chip_mem(addr)) {
1036 puts ("Can't modify L1 instruction in place. Use cp instead.\n\r");
1037 return 0;
1038 }
1039#endif
1040
wdenk38635852002-08-27 05:55:31 +00001041 /* Print the address, followed by value. Then accept input for
1042 * the next value. A non-converted value exits.
1043 */
1044 do {
Simon Glass0628ab82013-02-24 17:33:15 +00001045 ptr = map_sysmem(addr, size);
wdenk38635852002-08-27 05:55:31 +00001046 printf("%08lx:", addr);
1047 if (size == 4)
Simon Glass0628ab82013-02-24 17:33:15 +00001048 printf(" %08x", *((uint *)ptr));
wdenk38635852002-08-27 05:55:31 +00001049 else if (size == 2)
Simon Glass0628ab82013-02-24 17:33:15 +00001050 printf(" %04x", *((ushort *)ptr));
wdenk38635852002-08-27 05:55:31 +00001051 else
Simon Glass0628ab82013-02-24 17:33:15 +00001052 printf(" %02x", *((u_char *)ptr));
wdenk38635852002-08-27 05:55:31 +00001053
1054 nbytes = readline (" ? ");
1055 if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) {
1056 /* <CR> pressed as only input, don't modify current
1057 * location and move to next. "-" pressed will go back.
1058 */
1059 if (incrflag)
1060 addr += nbytes ? -size : size;
1061 nbytes = 1;
1062#ifdef CONFIG_BOOT_RETRY_TIME
1063 reset_cmd_timeout(); /* good enough to not time out */
1064#endif
1065 }
1066#ifdef CONFIG_BOOT_RETRY_TIME
1067 else if (nbytes == -2) {
1068 break; /* timed out, exit the command */
1069 }
1070#endif
1071 else {
1072 char *endp;
1073 i = simple_strtoul(console_buffer, &endp, 16);
1074 nbytes = endp - console_buffer;
1075 if (nbytes) {
1076#ifdef CONFIG_BOOT_RETRY_TIME
1077 /* good enough to not time out
1078 */
1079 reset_cmd_timeout();
1080#endif
1081 if (size == 4)
Simon Glass0628ab82013-02-24 17:33:15 +00001082 *((uint *)ptr) = i;
wdenk38635852002-08-27 05:55:31 +00001083 else if (size == 2)
Simon Glass0628ab82013-02-24 17:33:15 +00001084 *((ushort *)ptr) = i;
wdenk38635852002-08-27 05:55:31 +00001085 else
Simon Glass0628ab82013-02-24 17:33:15 +00001086 *((u_char *)ptr) = i;
wdenk38635852002-08-27 05:55:31 +00001087 if (incrflag)
1088 addr += size;
1089 }
1090 }
1091 } while (nbytes);
Simon Glass0628ab82013-02-24 17:33:15 +00001092 if (ptr)
1093 unmap_sysmem(ptr);
wdenk38635852002-08-27 05:55:31 +00001094
1095 mm_last_addr = addr;
1096 mm_last_size = size;
1097 return 0;
1098}
1099
Mike Frysinger710b9932010-12-21 14:19:51 -05001100#ifdef CONFIG_CMD_CRC32
1101
Kim Phillips088f1b12012-10-29 13:34:31 +00001102static int do_mem_crc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +00001103{
Simon Glassd20a40d2013-02-24 20:30:22 +00001104 int flags = 0;
1105 int ac;
1106 char * const *av;
wdenk38635852002-08-27 05:55:31 +00001107
Wolfgang Denk47e26b12010-07-17 01:06:04 +02001108 if (argc < 3)
Simon Glass4c12eeb2011-12-10 08:44:01 +00001109 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +00001110
wdenkc26e4542004-04-18 10:13:26 +00001111 av = argv + 1;
1112 ac = argc - 1;
Simon Glassd20a40d2013-02-24 20:30:22 +00001113#ifdef CONFIG_HASH_VERIFY
wdenkc26e4542004-04-18 10:13:26 +00001114 if (strcmp(*av, "-v") == 0) {
Simon Glassd20a40d2013-02-24 20:30:22 +00001115 flags |= HASH_FLAG_VERIFY;
wdenkc26e4542004-04-18 10:13:26 +00001116 av++;
1117 ac--;
wdenkc26e4542004-04-18 10:13:26 +00001118 }
Simon Glassd20a40d2013-02-24 20:30:22 +00001119#endif
wdenkc26e4542004-04-18 10:13:26 +00001120
Simon Glassd20a40d2013-02-24 20:30:22 +00001121 return hash_command("crc32", flags, cmdtp, flag, ac, av);
wdenkc26e4542004-04-18 10:13:26 +00001122}
wdenkc26e4542004-04-18 10:13:26 +00001123
Mike Frysinger710b9932010-12-21 14:19:51 -05001124#endif
1125
wdenk8bde7f72003-06-27 21:31:46 +00001126/**************************************************/
wdenk0d498392003-07-01 21:06:45 +00001127U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001128 md, 3, 1, do_mem_md,
Peter Tyser2fb26042009-01-27 18:03:12 -06001129 "memory display",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001130 "[.b, .w, .l] address [# of objects]"
wdenk8bde7f72003-06-27 21:31:46 +00001131);
1132
1133
wdenk0d498392003-07-01 21:06:45 +00001134U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001135 mm, 2, 1, do_mem_mm,
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001136 "memory modify (auto-incrementing address)",
1137 "[.b, .w, .l] address"
wdenk8bde7f72003-06-27 21:31:46 +00001138);
1139
1140
wdenk0d498392003-07-01 21:06:45 +00001141U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001142 nm, 2, 1, do_mem_nm,
Peter Tyser2fb26042009-01-27 18:03:12 -06001143 "memory modify (constant address)",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001144 "[.b, .w, .l] address"
wdenk8bde7f72003-06-27 21:31:46 +00001145);
1146
wdenk0d498392003-07-01 21:06:45 +00001147U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001148 mw, 4, 1, do_mem_mw,
Peter Tyser2fb26042009-01-27 18:03:12 -06001149 "memory write (fill)",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001150 "[.b, .w, .l] address value [count]"
wdenk8bde7f72003-06-27 21:31:46 +00001151);
1152
wdenk0d498392003-07-01 21:06:45 +00001153U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001154 cp, 4, 1, do_mem_cp,
Peter Tyser2fb26042009-01-27 18:03:12 -06001155 "memory copy",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001156 "[.b, .w, .l] source target count"
wdenk8bde7f72003-06-27 21:31:46 +00001157);
1158
wdenk0d498392003-07-01 21:06:45 +00001159U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001160 cmp, 4, 1, do_mem_cmp,
Peter Tyser2fb26042009-01-27 18:03:12 -06001161 "memory compare",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001162 "[.b, .w, .l] addr1 addr2 count"
wdenk8bde7f72003-06-27 21:31:46 +00001163);
1164
Mike Frysinger710b9932010-12-21 14:19:51 -05001165#ifdef CONFIG_CMD_CRC32
1166
wdenkc26e4542004-04-18 10:13:26 +00001167#ifndef CONFIG_CRC32_VERIFY
1168
wdenk0d498392003-07-01 21:06:45 +00001169U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001170 crc32, 4, 1, do_mem_crc,
Peter Tyser2fb26042009-01-27 18:03:12 -06001171 "checksum calculation",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001172 "address count [addr]\n - compute CRC32 checksum [save at addr]"
wdenk8bde7f72003-06-27 21:31:46 +00001173);
1174
wdenkc26e4542004-04-18 10:13:26 +00001175#else /* CONFIG_CRC32_VERIFY */
1176
1177U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001178 crc32, 5, 1, do_mem_crc,
Peter Tyser2fb26042009-01-27 18:03:12 -06001179 "checksum calculation",
wdenkc26e4542004-04-18 10:13:26 +00001180 "address count [addr]\n - compute CRC32 checksum [save at addr]\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001181 "-v address count crc\n - verify crc of memory area"
wdenkc26e4542004-04-18 10:13:26 +00001182);
1183
1184#endif /* CONFIG_CRC32_VERIFY */
1185
Mike Frysinger710b9932010-12-21 14:19:51 -05001186#endif
1187
Simon Glass15a33e42012-11-30 13:01:20 +00001188#ifdef CONFIG_CMD_MEMINFO
1189__weak void board_show_dram(ulong size)
1190{
1191 puts("DRAM: ");
1192 print_size(size, "\n");
1193}
1194
1195static int do_mem_info(cmd_tbl_t *cmdtp, int flag, int argc,
1196 char * const argv[])
1197{
1198 board_show_dram(gd->ram_size);
1199
1200 return 0;
1201}
1202#endif
1203
wdenk0d498392003-07-01 21:06:45 +00001204U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001205 base, 2, 1, do_mem_base,
Peter Tyser2fb26042009-01-27 18:03:12 -06001206 "print or set address offset",
wdenk8bde7f72003-06-27 21:31:46 +00001207 "\n - print address offset for memory commands\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001208 "base off\n - set address offset for memory commands to 'off'"
wdenk8bde7f72003-06-27 21:31:46 +00001209);
1210
wdenk0d498392003-07-01 21:06:45 +00001211U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001212 loop, 3, 1, do_mem_loop,
Peter Tyser2fb26042009-01-27 18:03:12 -06001213 "infinite loop on address range",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001214 "[.b, .w, .l] address number_of_objects"
wdenk8bde7f72003-06-27 21:31:46 +00001215);
1216
wdenk56523f12004-07-11 17:40:54 +00001217#ifdef CONFIG_LOOPW
1218U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001219 loopw, 4, 1, do_mem_loopw,
Peter Tyser2fb26042009-01-27 18:03:12 -06001220 "infinite write loop on address range",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001221 "[.b, .w, .l] address number_of_objects data_to_write"
wdenk56523f12004-07-11 17:40:54 +00001222);
1223#endif /* CONFIG_LOOPW */
1224
wdenk0d498392003-07-01 21:06:45 +00001225U_BOOT_CMD(
Dirk Eibachb6fc6fd2008-12-16 14:51:56 +01001226 mtest, 5, 1, do_mem_mtest,
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001227 "simple RAM read/write test",
1228 "[start [end [pattern [iterations]]]]"
wdenk8bde7f72003-06-27 21:31:46 +00001229);
1230
stroese4aaf29b2004-12-16 17:42:39 +00001231#ifdef CONFIG_MX_CYCLIC
1232U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001233 mdc, 4, 1, do_mem_mdc,
Peter Tyser2fb26042009-01-27 18:03:12 -06001234 "memory display cyclic",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001235 "[.b, .w, .l] address count delay(ms)"
stroese4aaf29b2004-12-16 17:42:39 +00001236);
1237
1238U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001239 mwc, 4, 1, do_mem_mwc,
Peter Tyser2fb26042009-01-27 18:03:12 -06001240 "memory write cyclic",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001241 "[.b, .w, .l] address value delay(ms)"
stroese4aaf29b2004-12-16 17:42:39 +00001242);
1243#endif /* CONFIG_MX_CYCLIC */
Simon Glass15a33e42012-11-30 13:01:20 +00001244
1245#ifdef CONFIG_CMD_MEMINFO
1246U_BOOT_CMD(
1247 meminfo, 3, 1, do_mem_info,
1248 "display memory information",
1249 ""
1250);
1251#endif