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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 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenk38635852002-08-27 05:55:31 +00006 */
7
8/*
9 * Memory Functions
10 *
11 * Copied from FADS ROM, Dan Malek (dmalek@jlc.net)
12 */
13
14#include <common.h>
Simon Glass0098e172014-04-10 20:01:30 -060015#include <bootretry.h>
Simon Glass18d66532014-04-10 20:01:25 -060016#include <cli.h>
wdenk38635852002-08-27 05:55:31 +000017#include <command.h>
wdenk2abbe072003-06-16 23:50:08 +000018#ifdef CONFIG_HAS_DATAFLASH
19#include <dataflash.h>
20#endif
Simon Glassd20a40d2013-02-24 20:30:22 +000021#include <hash.h>
Sergei Poselenova6e6fc62008-04-09 16:09:41 +020022#include <watchdog.h>
Simon Glass0628ab82013-02-24 17:33:15 +000023#include <asm/io.h>
Simon Glass15a33e42012-11-30 13:01:20 +000024#include <linux/compiler.h>
25
26DECLARE_GLOBAL_DATA_PTR;
wdenk38635852002-08-27 05:55:31 +000027
Simon Glass8e169cc2013-02-24 17:33:29 +000028#ifndef CONFIG_SYS_MEMTEST_SCRATCH
29#define CONFIG_SYS_MEMTEST_SCRATCH 0
30#endif
31
Wolfgang Denk54841ab2010-06-28 22:00:46 +020032static int mod_mem(cmd_tbl_t *, int, int, int, char * const []);
wdenk38635852002-08-27 05:55:31 +000033
34/* Display values from last command.
35 * Memory modify remembered values are different from display memory.
36 */
Mike Frysingerd6efe242010-12-22 09:40:29 -050037static uint dp_last_addr, dp_last_size;
38static uint dp_last_length = 0x40;
39static uint mm_last_addr, mm_last_size;
wdenk38635852002-08-27 05:55:31 +000040
41static ulong base_address = 0;
42
43/* Memory Display
44 *
45 * Syntax:
York Sun4d1fd7f2014-02-26 17:03:19 -080046 * md{.b, .w, .l, .q} {addr} {len}
wdenk38635852002-08-27 05:55:31 +000047 */
48#define DISP_LINE_LEN 16
Kim Phillips088f1b12012-10-29 13:34:31 +000049static int do_mem_md(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +000050{
wdenk27b207f2003-07-24 23:38:38 +000051 ulong addr, length;
Grant Likelyc95c4282007-02-20 09:05:00 +010052#if defined(CONFIG_HAS_DATAFLASH)
53 ulong nbytes, linebytes;
54#endif
wdenk27b207f2003-07-24 23:38:38 +000055 int size;
wdenk38635852002-08-27 05:55:31 +000056 int rc = 0;
57
58 /* We use the last specified parameters, unless new ones are
59 * entered.
60 */
61 addr = dp_last_addr;
62 size = dp_last_size;
63 length = dp_last_length;
64
Wolfgang Denk47e26b12010-07-17 01:06:04 +020065 if (argc < 2)
Simon Glass4c12eeb2011-12-10 08:44:01 +000066 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +000067
68 if ((flag & CMD_FLAG_REPEAT) == 0) {
69 /* New command specified. Check for a size specification.
70 * Defaults to long if no or incorrect specification.
71 */
wdenk27b207f2003-07-24 23:38:38 +000072 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
73 return 1;
wdenk38635852002-08-27 05:55:31 +000074
75 /* Address is specified since argc > 1
76 */
77 addr = simple_strtoul(argv[1], NULL, 16);
78 addr += base_address;
79
80 /* If another parameter, it is the length to display.
81 * Length is the number of objects, not number of bytes.
82 */
83 if (argc > 2)
84 length = simple_strtoul(argv[2], NULL, 16);
85 }
86
Grant Likelyc95c4282007-02-20 09:05:00 +010087#if defined(CONFIG_HAS_DATAFLASH)
wdenk38635852002-08-27 05:55:31 +000088 /* Print the lines.
89 *
90 * We buffer all read data, so we can make sure data is read only
91 * once, and all accesses are with the specified bus width.
92 */
93 nbytes = length * size;
94 do {
95 char linebuf[DISP_LINE_LEN];
Grant Likelyc95c4282007-02-20 09:05:00 +010096 void* p;
wdenk38635852002-08-27 05:55:31 +000097 linebytes = (nbytes>DISP_LINE_LEN)?DISP_LINE_LEN:nbytes;
wdenk2abbe072003-06-16 23:50:08 +000098
Grant Likelyc95c4282007-02-20 09:05:00 +010099 rc = read_dataflash(addr, (linebytes/size)*size, linebuf);
100 p = (rc == DATAFLASH_OK) ? linebuf : (void*)addr;
101 print_buffer(addr, p, size, linebytes/size, DISP_LINE_LEN/size);
wdenk8bde7f72003-06-27 21:31:46 +0000102
wdenk38635852002-08-27 05:55:31 +0000103 nbytes -= linebytes;
Grant Likelyc95c4282007-02-20 09:05:00 +0100104 addr += linebytes;
wdenk38635852002-08-27 05:55:31 +0000105 if (ctrlc()) {
106 rc = 1;
107 break;
108 }
109 } while (nbytes > 0);
Grant Likelyc95c4282007-02-20 09:05:00 +0100110#else
Mike Frysinger4c727c72008-02-04 19:26:56 -0500111
112# if defined(CONFIG_BLACKFIN)
113 /* See if we're trying to display L1 inst */
114 if (addr_bfin_on_chip_mem(addr)) {
115 char linebuf[DISP_LINE_LEN];
116 ulong linebytes, nbytes = length * size;
117 do {
118 linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes;
119 memcpy(linebuf, (void *)addr, linebytes);
120 print_buffer(addr, linebuf, size, linebytes/size, DISP_LINE_LEN/size);
121
122 nbytes -= linebytes;
123 addr += linebytes;
124 if (ctrlc()) {
125 rc = 1;
126 break;
127 }
128 } while (nbytes > 0);
129 } else
130# endif
131
132 {
Simon Glass0628ab82013-02-24 17:33:15 +0000133 ulong bytes = size * length;
134 const void *buf = map_sysmem(addr, bytes);
135
Mike Frysinger4c727c72008-02-04 19:26:56 -0500136 /* Print the lines. */
Simon Glass0628ab82013-02-24 17:33:15 +0000137 print_buffer(addr, buf, size, length, DISP_LINE_LEN / size);
138 addr += bytes;
139 unmap_sysmem(buf);
Mike Frysinger4c727c72008-02-04 19:26:56 -0500140 }
Grant Likelyc95c4282007-02-20 09:05:00 +0100141#endif
wdenk38635852002-08-27 05:55:31 +0000142
143 dp_last_addr = addr;
144 dp_last_length = length;
145 dp_last_size = size;
146 return (rc);
147}
148
Kim Phillips088f1b12012-10-29 13:34:31 +0000149static int do_mem_mm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000150{
151 return mod_mem (cmdtp, 1, flag, argc, argv);
152}
Kim Phillips088f1b12012-10-29 13:34:31 +0000153static int do_mem_nm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000154{
155 return mod_mem (cmdtp, 0, flag, argc, argv);
156}
157
Kim Phillips088f1b12012-10-29 13:34:31 +0000158static int do_mem_mw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000159{
York Sun4d1fd7f2014-02-26 17:03:19 -0800160#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
161 u64 writeval;
162#else
163 ulong writeval;
164#endif
165 ulong addr, count;
wdenk27b207f2003-07-24 23:38:38 +0000166 int size;
Simon Glass0628ab82013-02-24 17:33:15 +0000167 void *buf;
168 ulong bytes;
wdenk38635852002-08-27 05:55:31 +0000169
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200170 if ((argc < 3) || (argc > 4))
Simon Glass4c12eeb2011-12-10 08:44:01 +0000171 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +0000172
173 /* Check for size specification.
174 */
wdenk27b207f2003-07-24 23:38:38 +0000175 if ((size = cmd_get_data_size(argv[0], 4)) < 1)
176 return 1;
wdenk38635852002-08-27 05:55:31 +0000177
178 /* Address is specified since argc > 1
179 */
180 addr = simple_strtoul(argv[1], NULL, 16);
181 addr += base_address;
182
183 /* Get the value to write.
184 */
York Sun4d1fd7f2014-02-26 17:03:19 -0800185#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
186 writeval = simple_strtoull(argv[2], NULL, 16);
187#else
wdenk38635852002-08-27 05:55:31 +0000188 writeval = simple_strtoul(argv[2], NULL, 16);
York Sun4d1fd7f2014-02-26 17:03:19 -0800189#endif
wdenk38635852002-08-27 05:55:31 +0000190
191 /* Count ? */
192 if (argc == 4) {
193 count = simple_strtoul(argv[3], NULL, 16);
194 } else {
195 count = 1;
196 }
197
Simon Glass0628ab82013-02-24 17:33:15 +0000198 bytes = size * count;
199 buf = map_sysmem(addr, bytes);
wdenk38635852002-08-27 05:55:31 +0000200 while (count-- > 0) {
201 if (size == 4)
York Sun76698b42014-02-12 15:55:35 -0800202 *((u32 *)buf) = (u32)writeval;
York Sun4d1fd7f2014-02-26 17:03:19 -0800203#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
204 else if (size == 8)
205 *((u64 *)buf) = (u64)writeval;
206#endif
wdenk38635852002-08-27 05:55:31 +0000207 else if (size == 2)
York Sun76698b42014-02-12 15:55:35 -0800208 *((u16 *)buf) = (u16)writeval;
wdenk38635852002-08-27 05:55:31 +0000209 else
York Sun76698b42014-02-12 15:55:35 -0800210 *((u8 *)buf) = (u8)writeval;
Simon Glass0628ab82013-02-24 17:33:15 +0000211 buf += size;
wdenk38635852002-08-27 05:55:31 +0000212 }
Simon Glass0628ab82013-02-24 17:33:15 +0000213 unmap_sysmem(buf);
wdenk38635852002-08-27 05:55:31 +0000214 return 0;
215}
216
stroese4aaf29b2004-12-16 17:42:39 +0000217#ifdef CONFIG_MX_CYCLIC
Masahiro Yamada5a8608e2014-09-04 00:38:26 +0900218static int do_mem_mdc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
stroese4aaf29b2004-12-16 17:42:39 +0000219{
220 int i;
221 ulong count;
222
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200223 if (argc < 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000224 return CMD_RET_USAGE;
stroese4aaf29b2004-12-16 17:42:39 +0000225
226 count = simple_strtoul(argv[3], NULL, 10);
227
228 for (;;) {
229 do_mem_md (NULL, 0, 3, argv);
230
231 /* delay for <count> ms... */
232 for (i=0; i<count; i++)
233 udelay (1000);
234
235 /* check for ctrl-c to abort... */
236 if (ctrlc()) {
237 puts("Abort\n");
238 return 0;
239 }
240 }
241
242 return 0;
243}
244
Masahiro Yamada5a8608e2014-09-04 00:38:26 +0900245static int do_mem_mwc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
stroese4aaf29b2004-12-16 17:42:39 +0000246{
247 int i;
248 ulong count;
249
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200250 if (argc < 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000251 return CMD_RET_USAGE;
stroese4aaf29b2004-12-16 17:42:39 +0000252
253 count = simple_strtoul(argv[3], NULL, 10);
254
255 for (;;) {
256 do_mem_mw (NULL, 0, 3, argv);
257
258 /* delay for <count> ms... */
259 for (i=0; i<count; i++)
260 udelay (1000);
261
262 /* check for ctrl-c to abort... */
263 if (ctrlc()) {
264 puts("Abort\n");
265 return 0;
266 }
267 }
268
269 return 0;
270}
271#endif /* CONFIG_MX_CYCLIC */
272
Kim Phillips088f1b12012-10-29 13:34:31 +0000273static int do_mem_cmp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000274{
Simon Glass0628ab82013-02-24 17:33:15 +0000275 ulong addr1, addr2, count, ngood, bytes;
wdenk27b207f2003-07-24 23:38:38 +0000276 int size;
wdenk38635852002-08-27 05:55:31 +0000277 int rcode = 0;
Mike Frysinger054ea172012-01-20 09:07:21 +0000278 const char *type;
Simon Glass0628ab82013-02-24 17:33:15 +0000279 const void *buf1, *buf2, *base;
York Sun4d1fd7f2014-02-26 17:03:19 -0800280#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
281 u64 word1, word2;
282#else
283 ulong word1, word2;
284#endif
wdenk38635852002-08-27 05:55:31 +0000285
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200286 if (argc != 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000287 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +0000288
289 /* Check for size specification.
290 */
wdenk27b207f2003-07-24 23:38:38 +0000291 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
292 return 1;
York Sun4d1fd7f2014-02-26 17:03:19 -0800293 type = size == 8 ? "double word" :
294 size == 4 ? "word" :
295 size == 2 ? "halfword" : "byte";
wdenk38635852002-08-27 05:55:31 +0000296
297 addr1 = simple_strtoul(argv[1], NULL, 16);
298 addr1 += base_address;
299
300 addr2 = simple_strtoul(argv[2], NULL, 16);
301 addr2 += base_address;
302
303 count = simple_strtoul(argv[3], NULL, 16);
304
wdenk2abbe072003-06-16 23:50:08 +0000305#ifdef CONFIG_HAS_DATAFLASH
306 if (addr_dataflash(addr1) | addr_dataflash(addr2)){
wdenk4b9206e2004-03-23 22:14:11 +0000307 puts ("Comparison with DataFlash space not supported.\n\r");
wdenk2abbe072003-06-16 23:50:08 +0000308 return 0;
309 }
310#endif
311
Mike Frysinger4c727c72008-02-04 19:26:56 -0500312#ifdef CONFIG_BLACKFIN
313 if (addr_bfin_on_chip_mem(addr1) || addr_bfin_on_chip_mem(addr2)) {
314 puts ("Comparison with L1 instruction memory not supported.\n\r");
315 return 0;
316 }
317#endif
318
Simon Glass0628ab82013-02-24 17:33:15 +0000319 bytes = size * count;
320 base = buf1 = map_sysmem(addr1, bytes);
321 buf2 = map_sysmem(addr2, bytes);
Mike Frysingerfeb12a12012-01-20 09:07:22 +0000322 for (ngood = 0; ngood < count; ++ngood) {
wdenk38635852002-08-27 05:55:31 +0000323 if (size == 4) {
York Sun76698b42014-02-12 15:55:35 -0800324 word1 = *(u32 *)buf1;
325 word2 = *(u32 *)buf2;
York Sun4d1fd7f2014-02-26 17:03:19 -0800326#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
327 } else if (size == 8) {
328 word1 = *(u64 *)buf1;
329 word2 = *(u64 *)buf2;
330#endif
Mike Frysinger054ea172012-01-20 09:07:21 +0000331 } else if (size == 2) {
York Sun76698b42014-02-12 15:55:35 -0800332 word1 = *(u16 *)buf1;
333 word2 = *(u16 *)buf2;
Mike Frysinger054ea172012-01-20 09:07:21 +0000334 } else {
York Sun76698b42014-02-12 15:55:35 -0800335 word1 = *(u8 *)buf1;
336 word2 = *(u8 *)buf2;
wdenk38635852002-08-27 05:55:31 +0000337 }
Mike Frysinger054ea172012-01-20 09:07:21 +0000338 if (word1 != word2) {
Simon Glass0628ab82013-02-24 17:33:15 +0000339 ulong offset = buf1 - base;
York Sun4d1fd7f2014-02-26 17:03:19 -0800340#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
341 printf("%s at 0x%p (%#0*llx) != %s at 0x%p (%#0*llx)\n",
342 type, (void *)(addr1 + offset), size, word1,
343 type, (void *)(addr2 + offset), size, word2);
344#else
Mike Frysinger054ea172012-01-20 09:07:21 +0000345 printf("%s at 0x%08lx (%#0*lx) != %s at 0x%08lx (%#0*lx)\n",
Simon Glass0628ab82013-02-24 17:33:15 +0000346 type, (ulong)(addr1 + offset), size, word1,
347 type, (ulong)(addr2 + offset), size, word2);
York Sun4d1fd7f2014-02-26 17:03:19 -0800348#endif
Mike Frysinger054ea172012-01-20 09:07:21 +0000349 rcode = 1;
350 break;
wdenk38635852002-08-27 05:55:31 +0000351 }
Mike Frysinger054ea172012-01-20 09:07:21 +0000352
Simon Glass0628ab82013-02-24 17:33:15 +0000353 buf1 += size;
354 buf2 += size;
Stefan Roeseeaadb442010-09-13 11:10:34 +0200355
356 /* reset watchdog from time to time */
Mike Frysingerfeb12a12012-01-20 09:07:22 +0000357 if ((ngood % (64 << 10)) == 0)
Stefan Roeseeaadb442010-09-13 11:10:34 +0200358 WATCHDOG_RESET();
wdenk38635852002-08-27 05:55:31 +0000359 }
Simon Glass0628ab82013-02-24 17:33:15 +0000360 unmap_sysmem(buf1);
361 unmap_sysmem(buf2);
wdenk38635852002-08-27 05:55:31 +0000362
Mike Frysinger054ea172012-01-20 09:07:21 +0000363 printf("Total of %ld %s(s) were the same\n", ngood, type);
wdenk38635852002-08-27 05:55:31 +0000364 return rcode;
365}
366
Kim Phillips088f1b12012-10-29 13:34:31 +0000367static int do_mem_cp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000368{
Simon Glass0628ab82013-02-24 17:33:15 +0000369 ulong addr, dest, count, bytes;
wdenk27b207f2003-07-24 23:38:38 +0000370 int size;
Simon Glass0628ab82013-02-24 17:33:15 +0000371 const void *src;
372 void *buf;
wdenk38635852002-08-27 05:55:31 +0000373
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200374 if (argc != 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000375 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +0000376
377 /* Check for size specification.
378 */
wdenk27b207f2003-07-24 23:38:38 +0000379 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
380 return 1;
wdenk38635852002-08-27 05:55:31 +0000381
382 addr = simple_strtoul(argv[1], NULL, 16);
383 addr += base_address;
384
385 dest = simple_strtoul(argv[2], NULL, 16);
386 dest += base_address;
387
388 count = simple_strtoul(argv[3], NULL, 16);
389
390 if (count == 0) {
391 puts ("Zero length ???\n");
392 return 1;
393 }
394
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200395#ifndef CONFIG_SYS_NO_FLASH
wdenk38635852002-08-27 05:55:31 +0000396 /* check if we are copying to Flash */
wdenk2abbe072003-06-16 23:50:08 +0000397 if ( (addr2info(dest) != NULL)
398#ifdef CONFIG_HAS_DATAFLASH
Kim B. Heino84d0c2f2008-03-03 10:39:13 +0200399 && (!addr_dataflash(dest))
wdenk2abbe072003-06-16 23:50:08 +0000400#endif
401 ) {
wdenk38635852002-08-27 05:55:31 +0000402 int rc;
403
wdenk4b9206e2004-03-23 22:14:11 +0000404 puts ("Copy to Flash... ");
wdenk38635852002-08-27 05:55:31 +0000405
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200406 rc = flash_write ((char *)addr, dest, count*size);
wdenk38635852002-08-27 05:55:31 +0000407 if (rc != 0) {
408 flash_perror (rc);
409 return (1);
410 }
411 puts ("done\n");
412 return 0;
413 }
414#endif
415
wdenk2abbe072003-06-16 23:50:08 +0000416#ifdef CONFIG_HAS_DATAFLASH
417 /* Check if we are copying from RAM or Flash to DataFlash */
418 if (addr_dataflash(dest) && !addr_dataflash(addr)){
419 int rc;
420
wdenk4b9206e2004-03-23 22:14:11 +0000421 puts ("Copy to DataFlash... ");
wdenk2abbe072003-06-16 23:50:08 +0000422
423 rc = write_dataflash (dest, addr, count*size);
424
425 if (rc != 1) {
426 dataflash_perror (rc);
427 return (1);
428 }
429 puts ("done\n");
430 return 0;
431 }
wdenk8bde7f72003-06-27 21:31:46 +0000432
wdenk2abbe072003-06-16 23:50:08 +0000433 /* Check if we are copying from DataFlash to RAM */
Stelian Pop880cc432008-03-26 22:52:35 +0100434 if (addr_dataflash(addr) && !addr_dataflash(dest)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200435#ifndef CONFIG_SYS_NO_FLASH
Stelian Pop880cc432008-03-26 22:52:35 +0100436 && (addr2info(dest) == NULL)
437#endif
438 ){
wdenk5779d8d2003-12-06 23:55:10 +0000439 int rc;
440 rc = read_dataflash(addr, count * size, (char *) dest);
441 if (rc != 1) {
wdenkd4ca31c2004-01-02 14:00:00 +0000442 dataflash_perror (rc);
443 return (1);
444 }
wdenk2abbe072003-06-16 23:50:08 +0000445 return 0;
446 }
447
448 if (addr_dataflash(addr) && addr_dataflash(dest)){
wdenk4b9206e2004-03-23 22:14:11 +0000449 puts ("Unsupported combination of source/destination.\n\r");
wdenk2abbe072003-06-16 23:50:08 +0000450 return 1;
451 }
452#endif
453
Mike Frysinger4c727c72008-02-04 19:26:56 -0500454#ifdef CONFIG_BLACKFIN
455 /* See if we're copying to/from L1 inst */
456 if (addr_bfin_on_chip_mem(dest) || addr_bfin_on_chip_mem(addr)) {
457 memcpy((void *)dest, (void *)addr, count * size);
458 return 0;
459 }
460#endif
461
Simon Glass0628ab82013-02-24 17:33:15 +0000462 bytes = size * count;
Masahiro Yamada53237af2013-05-20 21:08:08 +0000463 buf = map_sysmem(dest, bytes);
Simon Glass0628ab82013-02-24 17:33:15 +0000464 src = map_sysmem(addr, bytes);
wdenk38635852002-08-27 05:55:31 +0000465 while (count-- > 0) {
466 if (size == 4)
York Sun76698b42014-02-12 15:55:35 -0800467 *((u32 *)buf) = *((u32 *)src);
York Sun4d1fd7f2014-02-26 17:03:19 -0800468#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
469 else if (size == 8)
470 *((u64 *)buf) = *((u64 *)src);
471#endif
wdenk38635852002-08-27 05:55:31 +0000472 else if (size == 2)
York Sun76698b42014-02-12 15:55:35 -0800473 *((u16 *)buf) = *((u16 *)src);
wdenk38635852002-08-27 05:55:31 +0000474 else
York Sun76698b42014-02-12 15:55:35 -0800475 *((u8 *)buf) = *((u8 *)src);
Simon Glass0628ab82013-02-24 17:33:15 +0000476 src += size;
477 buf += size;
Stefan Roeseeaadb442010-09-13 11:10:34 +0200478
479 /* reset watchdog from time to time */
480 if ((count % (64 << 10)) == 0)
481 WATCHDOG_RESET();
wdenk38635852002-08-27 05:55:31 +0000482 }
Masahiro Yamadaa3a47492014-10-23 17:46:24 +0900483 unmap_sysmem(buf);
484 unmap_sysmem(src);
485
wdenk38635852002-08-27 05:55:31 +0000486 return 0;
487}
488
Kim Phillips088f1b12012-10-29 13:34:31 +0000489static int do_mem_base(cmd_tbl_t *cmdtp, int flag, int argc,
490 char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000491{
492 if (argc > 1) {
493 /* Set new base address.
494 */
495 base_address = simple_strtoul(argv[1], NULL, 16);
496 }
497 /* Print the current base address.
498 */
499 printf("Base Address: 0x%08lx\n", base_address);
500 return 0;
501}
502
Kim Phillips088f1b12012-10-29 13:34:31 +0000503static int do_mem_loop(cmd_tbl_t *cmdtp, int flag, int argc,
504 char * const argv[])
wdenk38635852002-08-27 05:55:31 +0000505{
Simon Glass0628ab82013-02-24 17:33:15 +0000506 ulong addr, length, i, bytes;
wdenk27b207f2003-07-24 23:38:38 +0000507 int size;
York Sun4d1fd7f2014-02-26 17:03:19 -0800508#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
509 volatile u64 *llp;
510#endif
York Sun76698b42014-02-12 15:55:35 -0800511 volatile u32 *longp;
512 volatile u16 *shortp;
513 volatile u8 *cp;
Simon Glass0628ab82013-02-24 17:33:15 +0000514 const void *buf;
wdenk38635852002-08-27 05:55:31 +0000515
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200516 if (argc < 3)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000517 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +0000518
Robert P. J. Day85de63e2013-02-03 02:29:54 +0000519 /*
520 * Check for a size specification.
wdenk38635852002-08-27 05:55:31 +0000521 * Defaults to long if no or incorrect specification.
522 */
wdenk27b207f2003-07-24 23:38:38 +0000523 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
524 return 1;
wdenk38635852002-08-27 05:55:31 +0000525
526 /* Address is always specified.
527 */
528 addr = simple_strtoul(argv[1], NULL, 16);
529
530 /* Length is the number of objects, not number of bytes.
531 */
532 length = simple_strtoul(argv[2], NULL, 16);
533
Simon Glass0628ab82013-02-24 17:33:15 +0000534 bytes = size * length;
535 buf = map_sysmem(addr, bytes);
536
wdenk38635852002-08-27 05:55:31 +0000537 /* We want to optimize the loops to run as fast as possible.
538 * If we have only one object, just run infinite loops.
539 */
540 if (length == 1) {
York Sun4d1fd7f2014-02-26 17:03:19 -0800541#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
542 if (size == 8) {
543 llp = (u64 *)buf;
544 for (;;)
545 i = *llp;
546 }
547#endif
wdenk38635852002-08-27 05:55:31 +0000548 if (size == 4) {
York Sun76698b42014-02-12 15:55:35 -0800549 longp = (u32 *)buf;
wdenk38635852002-08-27 05:55:31 +0000550 for (;;)
551 i = *longp;
552 }
553 if (size == 2) {
York Sun76698b42014-02-12 15:55:35 -0800554 shortp = (u16 *)buf;
wdenk38635852002-08-27 05:55:31 +0000555 for (;;)
556 i = *shortp;
557 }
York Sun76698b42014-02-12 15:55:35 -0800558 cp = (u8 *)buf;
wdenk38635852002-08-27 05:55:31 +0000559 for (;;)
560 i = *cp;
561 }
562
York Sun4d1fd7f2014-02-26 17:03:19 -0800563#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
564 if (size == 8) {
565 for (;;) {
566 llp = (u64 *)buf;
567 i = length;
568 while (i-- > 0)
569 *llp++;
570 }
571 }
572#endif
wdenk38635852002-08-27 05:55:31 +0000573 if (size == 4) {
574 for (;;) {
York Sun76698b42014-02-12 15:55:35 -0800575 longp = (u32 *)buf;
wdenk38635852002-08-27 05:55:31 +0000576 i = length;
577 while (i-- > 0)
Marek Vasutf3b3c3d2011-09-26 02:26:06 +0200578 *longp++;
wdenk38635852002-08-27 05:55:31 +0000579 }
580 }
581 if (size == 2) {
582 for (;;) {
York Sun76698b42014-02-12 15:55:35 -0800583 shortp = (u16 *)buf;
wdenk38635852002-08-27 05:55:31 +0000584 i = length;
585 while (i-- > 0)
Marek Vasutf3b3c3d2011-09-26 02:26:06 +0200586 *shortp++;
wdenk38635852002-08-27 05:55:31 +0000587 }
588 }
589 for (;;) {
York Sun76698b42014-02-12 15:55:35 -0800590 cp = (u8 *)buf;
wdenk38635852002-08-27 05:55:31 +0000591 i = length;
592 while (i-- > 0)
Marek Vasutf3b3c3d2011-09-26 02:26:06 +0200593 *cp++;
wdenk38635852002-08-27 05:55:31 +0000594 }
Simon Glass0628ab82013-02-24 17:33:15 +0000595 unmap_sysmem(buf);
Simon Glass92765f422013-06-11 11:14:35 -0700596
597 return 0;
wdenk38635852002-08-27 05:55:31 +0000598}
599
wdenk56523f12004-07-11 17:40:54 +0000600#ifdef CONFIG_LOOPW
Masahiro Yamada5a8608e2014-09-04 00:38:26 +0900601static int do_mem_loopw(cmd_tbl_t *cmdtp, int flag, int argc,
602 char * const argv[])
wdenk56523f12004-07-11 17:40:54 +0000603{
York Sun4d1fd7f2014-02-26 17:03:19 -0800604 ulong addr, length, i, bytes;
wdenk56523f12004-07-11 17:40:54 +0000605 int size;
York Sun4d1fd7f2014-02-26 17:03:19 -0800606#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
607 volatile u64 *llp;
608 u64 data;
609#else
610 ulong data;
611#endif
York Sun76698b42014-02-12 15:55:35 -0800612 volatile u32 *longp;
613 volatile u16 *shortp;
614 volatile u8 *cp;
Simon Glass0628ab82013-02-24 17:33:15 +0000615 void *buf;
wdenk81050922004-07-11 20:04:51 +0000616
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200617 if (argc < 4)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000618 return CMD_RET_USAGE;
wdenk56523f12004-07-11 17:40:54 +0000619
Robert P. J. Day85de63e2013-02-03 02:29:54 +0000620 /*
621 * Check for a size specification.
wdenk56523f12004-07-11 17:40:54 +0000622 * Defaults to long if no or incorrect specification.
623 */
624 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
625 return 1;
626
627 /* Address is always specified.
628 */
629 addr = simple_strtoul(argv[1], NULL, 16);
630
631 /* Length is the number of objects, not number of bytes.
632 */
633 length = simple_strtoul(argv[2], NULL, 16);
634
635 /* data to write */
York Sun4d1fd7f2014-02-26 17:03:19 -0800636#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
637 data = simple_strtoull(argv[3], NULL, 16);
638#else
wdenk56523f12004-07-11 17:40:54 +0000639 data = simple_strtoul(argv[3], NULL, 16);
York Sun4d1fd7f2014-02-26 17:03:19 -0800640#endif
wdenk81050922004-07-11 20:04:51 +0000641
Simon Glass0628ab82013-02-24 17:33:15 +0000642 bytes = size * length;
643 buf = map_sysmem(addr, bytes);
644
wdenk56523f12004-07-11 17:40:54 +0000645 /* We want to optimize the loops to run as fast as possible.
646 * If we have only one object, just run infinite loops.
647 */
648 if (length == 1) {
York Sun4d1fd7f2014-02-26 17:03:19 -0800649#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
650 if (size == 8) {
651 llp = (u64 *)buf;
652 for (;;)
653 *llp = data;
654 }
655#endif
wdenk56523f12004-07-11 17:40:54 +0000656 if (size == 4) {
York Sun76698b42014-02-12 15:55:35 -0800657 longp = (u32 *)buf;
wdenk56523f12004-07-11 17:40:54 +0000658 for (;;)
659 *longp = data;
York Sun4d1fd7f2014-02-26 17:03:19 -0800660 }
wdenk56523f12004-07-11 17:40:54 +0000661 if (size == 2) {
York Sun76698b42014-02-12 15:55:35 -0800662 shortp = (u16 *)buf;
wdenk56523f12004-07-11 17:40:54 +0000663 for (;;)
664 *shortp = data;
665 }
York Sun76698b42014-02-12 15:55:35 -0800666 cp = (u8 *)buf;
wdenk56523f12004-07-11 17:40:54 +0000667 for (;;)
668 *cp = data;
669 }
670
York Sun4d1fd7f2014-02-26 17:03:19 -0800671#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
672 if (size == 8) {
673 for (;;) {
674 llp = (u64 *)buf;
675 i = length;
676 while (i-- > 0)
677 *llp++ = data;
678 }
679 }
680#endif
wdenk56523f12004-07-11 17:40:54 +0000681 if (size == 4) {
682 for (;;) {
York Sun76698b42014-02-12 15:55:35 -0800683 longp = (u32 *)buf;
wdenk56523f12004-07-11 17:40:54 +0000684 i = length;
685 while (i-- > 0)
686 *longp++ = data;
687 }
688 }
689 if (size == 2) {
690 for (;;) {
York Sun76698b42014-02-12 15:55:35 -0800691 shortp = (u16 *)buf;
wdenk56523f12004-07-11 17:40:54 +0000692 i = length;
693 while (i-- > 0)
694 *shortp++ = data;
695 }
696 }
697 for (;;) {
York Sun76698b42014-02-12 15:55:35 -0800698 cp = (u8 *)buf;
wdenk56523f12004-07-11 17:40:54 +0000699 i = length;
700 while (i-- > 0)
701 *cp++ = data;
702 }
703}
704#endif /* CONFIG_LOOPW */
705
Tom Rini68149e92013-03-12 10:07:19 -0400706#ifdef CONFIG_CMD_MEMTEST
Simon Glass5512d5b2013-02-28 17:47:14 +0000707static ulong mem_test_alt(vu_long *buf, ulong start_addr, ulong end_addr,
708 vu_long *dummy)
wdenk38635852002-08-27 05:55:31 +0000709{
Simon Glassc9638f52013-02-24 17:33:16 +0000710 vu_long *addr;
Simon Glassc9638f52013-02-24 17:33:16 +0000711 ulong errs = 0;
712 ulong val, readback;
713 int j;
Simon Glassc9638f52013-02-24 17:33:16 +0000714 vu_long offset;
715 vu_long test_offset;
716 vu_long pattern;
717 vu_long temp;
718 vu_long anti_pattern;
719 vu_long num_words;
wdenk38635852002-08-27 05:55:31 +0000720 static const ulong bitpattern[] = {
721 0x00000001, /* single bit */
722 0x00000003, /* two adjacent bits */
723 0x00000007, /* three adjacent bits */
724 0x0000000F, /* four adjacent bits */
725 0x00000005, /* two non-adjacent bits */
726 0x00000015, /* three non-adjacent bits */
727 0x00000055, /* four non-adjacent bits */
728 0xaaaaaaaa, /* alternating 1/0 */
729 };
wdenk38635852002-08-27 05:55:31 +0000730
Simon Glass5512d5b2013-02-28 17:47:14 +0000731 num_words = (end_addr - start_addr) / sizeof(vu_long);
Simon Glass8c86bbe2013-02-24 17:33:20 +0000732
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000733 /*
734 * Data line test: write a pattern to the first
735 * location, write the 1's complement to a 'parking'
736 * address (changes the state of the data bus so a
737 * floating bus doesn't give a false OK), and then
738 * read the value back. Note that we read it back
739 * into a variable because the next time we read it,
740 * it might be right (been there, tough to explain to
741 * the quality guys why it prints a failure when the
742 * "is" and "should be" are obviously the same in the
743 * error message).
744 *
745 * Rather than exhaustively testing, we test some
746 * patterns by shifting '1' bits through a field of
747 * '0's and '0' bits through a field of '1's (i.e.
748 * pattern and ~pattern).
749 */
Simon Glass5512d5b2013-02-28 17:47:14 +0000750 addr = buf;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000751 for (j = 0; j < sizeof(bitpattern) / sizeof(bitpattern[0]); j++) {
752 val = bitpattern[j];
753 for (; val != 0; val <<= 1) {
Simon Glass5512d5b2013-02-28 17:47:14 +0000754 *addr = val;
Simon Glassc9638f52013-02-24 17:33:16 +0000755 *dummy = ~val; /* clear the test data off the bus */
wdenk38635852002-08-27 05:55:31 +0000756 readback = *addr;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000757 if (readback != val) {
Simon Glassc9638f52013-02-24 17:33:16 +0000758 printf("FAILURE (data line): "
759 "expected %08lx, actual %08lx\n",
760 val, readback);
761 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000762 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000763 return -1;
wdenk38635852002-08-27 05:55:31 +0000764 }
765 *addr = ~val;
766 *dummy = val;
767 readback = *addr;
Simon Glassc9638f52013-02-24 17:33:16 +0000768 if (readback != ~val) {
769 printf("FAILURE (data line): "
770 "Is %08lx, should be %08lx\n",
771 readback, ~val);
772 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000773 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000774 return -1;
wdenk38635852002-08-27 05:55:31 +0000775 }
wdenk38635852002-08-27 05:55:31 +0000776 }
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000777 }
wdenk38635852002-08-27 05:55:31 +0000778
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000779 /*
780 * Based on code whose Original Author and Copyright
781 * information follows: Copyright (c) 1998 by Michael
782 * Barr. This software is placed into the public
783 * domain and may be used for any purpose. However,
784 * this notice must not be changed or removed and no
785 * warranty is either expressed or implied by its
786 * publication or distribution.
787 */
wdenk38635852002-08-27 05:55:31 +0000788
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000789 /*
790 * Address line test
wdenk38635852002-08-27 05:55:31 +0000791
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000792 * Description: Test the address bus wiring in a
793 * memory region by performing a walking
794 * 1's test on the relevant bits of the
795 * address and checking for aliasing.
796 * This test will find single-bit
797 * address failures such as stuck-high,
798 * stuck-low, and shorted pins. The base
799 * address and size of the region are
800 * selected by the caller.
wdenk38635852002-08-27 05:55:31 +0000801
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000802 * Notes: For best results, the selected base
803 * address should have enough LSB 0's to
804 * guarantee single address bit changes.
805 * For example, to test a 64-Kbyte
806 * region, select a base address on a
807 * 64-Kbyte boundary. Also, select the
808 * region size as a power-of-two if at
809 * all possible.
810 *
811 * Returns: 0 if the test succeeds, 1 if the test fails.
812 */
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000813 pattern = (vu_long) 0xaaaaaaaa;
814 anti_pattern = (vu_long) 0x55555555;
wdenk38635852002-08-27 05:55:31 +0000815
Simon Glass5512d5b2013-02-28 17:47:14 +0000816 debug("%s:%d: length = 0x%.8lx\n", __func__, __LINE__, num_words);
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000817 /*
818 * Write the default pattern at each of the
819 * power-of-two offsets.
820 */
Simon Glass5512d5b2013-02-28 17:47:14 +0000821 for (offset = 1; offset < num_words; offset <<= 1)
822 addr[offset] = pattern;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000823
824 /*
825 * Check for address bits stuck high.
826 */
827 test_offset = 0;
Simon Glass5512d5b2013-02-28 17:47:14 +0000828 addr[test_offset] = anti_pattern;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000829
Simon Glass5512d5b2013-02-28 17:47:14 +0000830 for (offset = 1; offset < num_words; offset <<= 1) {
831 temp = addr[offset];
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000832 if (temp != pattern) {
Simon Glassc9638f52013-02-24 17:33:16 +0000833 printf("\nFAILURE: Address bit stuck high @ 0x%.8lx:"
wdenk38635852002-08-27 05:55:31 +0000834 " expected 0x%.8lx, actual 0x%.8lx\n",
David Feng102c0512014-02-12 16:10:08 +0800835 start_addr + offset*sizeof(vu_long),
836 pattern, temp);
Paul Gortmaker87b22b72009-10-02 18:18:33 -0400837 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000838 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000839 return -1;
wdenk38635852002-08-27 05:55:31 +0000840 }
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000841 }
Simon Glass5512d5b2013-02-28 17:47:14 +0000842 addr[test_offset] = pattern;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000843 WATCHDOG_RESET();
wdenk38635852002-08-27 05:55:31 +0000844
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000845 /*
846 * Check for addr bits stuck low or shorted.
847 */
Simon Glass5512d5b2013-02-28 17:47:14 +0000848 for (test_offset = 1; test_offset < num_words; test_offset <<= 1) {
849 addr[test_offset] = anti_pattern;
wdenk38635852002-08-27 05:55:31 +0000850
Simon Glass5512d5b2013-02-28 17:47:14 +0000851 for (offset = 1; offset < num_words; offset <<= 1) {
852 temp = addr[offset];
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000853 if ((temp != pattern) && (offset != test_offset)) {
854 printf("\nFAILURE: Address bit stuck low or"
855 " shorted @ 0x%.8lx: expected 0x%.8lx,"
856 " actual 0x%.8lx\n",
David Feng102c0512014-02-12 16:10:08 +0800857 start_addr + offset*sizeof(vu_long),
858 pattern, temp);
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000859 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000860 if (ctrlc())
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000861 return -1;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000862 }
wdenk38635852002-08-27 05:55:31 +0000863 }
Simon Glass5512d5b2013-02-28 17:47:14 +0000864 addr[test_offset] = pattern;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000865 }
wdenk38635852002-08-27 05:55:31 +0000866
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000867 /*
868 * Description: Test the integrity of a physical
869 * memory device by performing an
870 * increment/decrement test over the
871 * entire region. In the process every
872 * storage bit in the device is tested
873 * as a zero and a one. The base address
874 * and the size of the region are
875 * selected by the caller.
876 *
877 * Returns: 0 if the test succeeds, 1 if the test fails.
878 */
Simon Glass5512d5b2013-02-28 17:47:14 +0000879 num_words++;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000880
881 /*
882 * Fill memory with a known pattern.
883 */
884 for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
885 WATCHDOG_RESET();
Simon Glass5512d5b2013-02-28 17:47:14 +0000886 addr[offset] = pattern;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000887 }
888
889 /*
890 * Check each location and invert it for the second pass.
891 */
892 for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
893 WATCHDOG_RESET();
Simon Glass5512d5b2013-02-28 17:47:14 +0000894 temp = addr[offset];
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000895 if (temp != pattern) {
Simon Glassc9638f52013-02-24 17:33:16 +0000896 printf("\nFAILURE (read/write) @ 0x%.8lx:"
wdenk38635852002-08-27 05:55:31 +0000897 " expected 0x%.8lx, actual 0x%.8lx)\n",
David Feng102c0512014-02-12 16:10:08 +0800898 start_addr + offset*sizeof(vu_long),
899 pattern, temp);
Paul Gortmaker87b22b72009-10-02 18:18:33 -0400900 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000901 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000902 return -1;
wdenk38635852002-08-27 05:55:31 +0000903 }
904
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000905 anti_pattern = ~pattern;
Simon Glass5512d5b2013-02-28 17:47:14 +0000906 addr[offset] = anti_pattern;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000907 }
908
909 /*
910 * Check each location for the inverted pattern and zero it.
911 */
912 for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
913 WATCHDOG_RESET();
914 anti_pattern = ~pattern;
Simon Glass5512d5b2013-02-28 17:47:14 +0000915 temp = addr[offset];
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000916 if (temp != anti_pattern) {
Simon Glassc9638f52013-02-24 17:33:16 +0000917 printf("\nFAILURE (read/write): @ 0x%.8lx:"
wdenk38635852002-08-27 05:55:31 +0000918 " expected 0x%.8lx, actual 0x%.8lx)\n",
David Feng102c0512014-02-12 16:10:08 +0800919 start_addr + offset*sizeof(vu_long),
920 anti_pattern, temp);
Paul Gortmaker87b22b72009-10-02 18:18:33 -0400921 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000922 if (ctrlc())
Simon Glass51209b12013-02-24 17:33:17 +0000923 return -1;
wdenk38635852002-08-27 05:55:31 +0000924 }
Simon Glass5512d5b2013-02-28 17:47:14 +0000925 addr[offset] = 0;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000926 }
Simon Glass51209b12013-02-24 17:33:17 +0000927
928 return 0;
Simon Glassc9638f52013-02-24 17:33:16 +0000929}
wdenk38635852002-08-27 05:55:31 +0000930
Simon Glass5512d5b2013-02-28 17:47:14 +0000931static ulong mem_test_quick(vu_long *buf, ulong start_addr, ulong end_addr,
932 vu_long pattern, int iteration)
Simon Glassc9638f52013-02-24 17:33:16 +0000933{
Simon Glass5512d5b2013-02-28 17:47:14 +0000934 vu_long *end;
Simon Glassc9638f52013-02-24 17:33:16 +0000935 vu_long *addr;
Simon Glassc9638f52013-02-24 17:33:16 +0000936 ulong errs = 0;
Simon Glass5512d5b2013-02-28 17:47:14 +0000937 ulong incr, length;
Simon Glassc9638f52013-02-24 17:33:16 +0000938 ulong val, readback;
939
Simon Glass51209b12013-02-24 17:33:17 +0000940 /* Alternate the pattern */
wdenk38635852002-08-27 05:55:31 +0000941 incr = 1;
Simon Glass51209b12013-02-24 17:33:17 +0000942 if (iteration & 1) {
943 incr = -incr;
944 /*
945 * Flip the pattern each time to make lots of zeros and
946 * then, the next time, lots of ones. We decrement
947 * the "negative" patterns and increment the "positive"
948 * patterns to preserve this feature.
949 */
950 if (pattern & 0x80000000)
951 pattern = -pattern; /* complement & increment */
952 else
953 pattern = ~pattern;
954 }
Simon Glass5512d5b2013-02-28 17:47:14 +0000955 length = (end_addr - start_addr) / sizeof(ulong);
956 end = buf + length;
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000957 printf("\rPattern %08lX Writing..."
958 "%12s"
959 "\b\b\b\b\b\b\b\b\b\b",
960 pattern, "");
wdenk38635852002-08-27 05:55:31 +0000961
Simon Glass5512d5b2013-02-28 17:47:14 +0000962 for (addr = buf, val = pattern; addr < end; addr++) {
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000963 WATCHDOG_RESET();
964 *addr = val;
965 val += incr;
966 }
wdenk38635852002-08-27 05:55:31 +0000967
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000968 puts("Reading...");
wdenk38635852002-08-27 05:55:31 +0000969
Simon Glass5512d5b2013-02-28 17:47:14 +0000970 for (addr = buf, val = pattern; addr < end; addr++) {
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000971 WATCHDOG_RESET();
972 readback = *addr;
973 if (readback != val) {
Simon Glass5512d5b2013-02-28 17:47:14 +0000974 ulong offset = addr - buf;
975
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000976 printf("\nMem error @ 0x%08X: "
977 "found %08lX, expected %08lX\n",
David Feng102c0512014-02-12 16:10:08 +0800978 (uint)(uintptr_t)(start_addr + offset*sizeof(vu_long)),
Simon Glass5512d5b2013-02-28 17:47:14 +0000979 readback, val);
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000980 errs++;
Simon Glassc44d4382013-02-24 17:33:19 +0000981 if (ctrlc())
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000982 return -1;
wdenk38635852002-08-27 05:55:31 +0000983 }
Simon Glass7ecbd4d2013-02-24 17:33:18 +0000984 val += incr;
985 }
wdenk38635852002-08-27 05:55:31 +0000986
Simon Glass51209b12013-02-24 17:33:17 +0000987 return 0;
Simon Glassc9638f52013-02-24 17:33:16 +0000988}
989
990/*
991 * Perform a memory test. A more complete alternative test can be
992 * configured using CONFIG_SYS_ALT_MEMTEST. The complete test loops until
993 * interrupted by ctrl-c or by a failure of one of the sub-tests.
994 */
995static int do_mem_mtest(cmd_tbl_t *cmdtp, int flag, int argc,
996 char * const argv[])
997{
Simon Glass8c86bbe2013-02-24 17:33:20 +0000998 ulong start, end;
Simon Glass5512d5b2013-02-28 17:47:14 +0000999 vu_long *buf, *dummy;
Simon Glassc9638f52013-02-24 17:33:16 +00001000 int iteration_limit;
1001 int ret;
Simon Glass51209b12013-02-24 17:33:17 +00001002 ulong errs = 0; /* number of errors, or -1 if interrupted */
Simon Glassc9638f52013-02-24 17:33:16 +00001003 ulong pattern;
Simon Glass51209b12013-02-24 17:33:17 +00001004 int iteration;
Simon Glassc9638f52013-02-24 17:33:16 +00001005#if defined(CONFIG_SYS_ALT_MEMTEST)
1006 const int alt_test = 1;
1007#else
1008 const int alt_test = 0;
wdenk38635852002-08-27 05:55:31 +00001009#endif
Simon Glassc9638f52013-02-24 17:33:16 +00001010
1011 if (argc > 1)
Simon Glass8c86bbe2013-02-24 17:33:20 +00001012 start = simple_strtoul(argv[1], NULL, 16);
Simon Glassc9638f52013-02-24 17:33:16 +00001013 else
Simon Glass8c86bbe2013-02-24 17:33:20 +00001014 start = CONFIG_SYS_MEMTEST_START;
Simon Glassc9638f52013-02-24 17:33:16 +00001015
1016 if (argc > 2)
Simon Glass8c86bbe2013-02-24 17:33:20 +00001017 end = simple_strtoul(argv[2], NULL, 16);
Simon Glassc9638f52013-02-24 17:33:16 +00001018 else
Simon Glass8c86bbe2013-02-24 17:33:20 +00001019 end = CONFIG_SYS_MEMTEST_END;
Simon Glassc9638f52013-02-24 17:33:16 +00001020
1021 if (argc > 3)
1022 pattern = (ulong)simple_strtoul(argv[3], NULL, 16);
1023 else
1024 pattern = 0;
1025
1026 if (argc > 4)
1027 iteration_limit = (ulong)simple_strtoul(argv[4], NULL, 16);
1028 else
1029 iteration_limit = 0;
1030
Simon Glass8c86bbe2013-02-24 17:33:20 +00001031 printf("Testing %08x ... %08x:\n", (uint)start, (uint)end);
1032 debug("%s:%d: start %#08lx end %#08lx\n", __func__, __LINE__,
1033 start, end);
Simon Glass51209b12013-02-24 17:33:17 +00001034
Simon Glass5512d5b2013-02-28 17:47:14 +00001035 buf = map_sysmem(start, end - start);
1036 dummy = map_sysmem(CONFIG_SYS_MEMTEST_SCRATCH, sizeof(vu_long));
Simon Glass51209b12013-02-24 17:33:17 +00001037 for (iteration = 0;
1038 !iteration_limit || iteration < iteration_limit;
1039 iteration++) {
1040 if (ctrlc()) {
Simon Glass51209b12013-02-24 17:33:17 +00001041 errs = -1UL;
1042 break;
1043 }
1044
1045 printf("Iteration: %6d\r", iteration + 1);
1046 debug("\n");
Simon Glass5512d5b2013-02-28 17:47:14 +00001047 if (alt_test) {
1048 errs = mem_test_alt(buf, start, end, dummy);
1049 } else {
1050 errs = mem_test_quick(buf, start, end, pattern,
1051 iteration);
1052 }
1053 if (errs == -1UL)
1054 break;
1055 }
1056
1057 /*
1058 * Work-around for eldk-4.2 which gives this warning if we try to
1059 * case in the unmap_sysmem() call:
1060 * warning: initialization discards qualifiers from pointer target type
1061 */
1062 {
1063 void *vbuf = (void *)buf;
1064 void *vdummy = (void *)dummy;
1065
1066 unmap_sysmem(vbuf);
1067 unmap_sysmem(vdummy);
Simon Glass51209b12013-02-24 17:33:17 +00001068 }
1069
1070 if (errs == -1UL) {
Simon Glassc44d4382013-02-24 17:33:19 +00001071 /* Memory test was aborted - write a newline to finish off */
1072 putc('\n');
Simon Glass51209b12013-02-24 17:33:17 +00001073 ret = 1;
1074 } else {
1075 printf("Tested %d iteration(s) with %lu errors.\n",
1076 iteration, errs);
1077 ret = errs != 0;
1078 }
Simon Glassc9638f52013-02-24 17:33:16 +00001079
1080 return ret; /* not reached */
wdenk38635852002-08-27 05:55:31 +00001081}
Wolfgang Denka2681702013-03-08 10:51:32 +00001082#endif /* CONFIG_CMD_MEMTEST */
wdenk38635852002-08-27 05:55:31 +00001083
1084/* Modify memory.
1085 *
1086 * Syntax:
York Sun4d1fd7f2014-02-26 17:03:19 -08001087 * mm{.b, .w, .l, .q} {addr}
1088 * nm{.b, .w, .l, .q} {addr}
wdenk38635852002-08-27 05:55:31 +00001089 */
1090static int
Wolfgang Denk54841ab2010-06-28 22:00:46 +02001091mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +00001092{
York Sun4d1fd7f2014-02-26 17:03:19 -08001093 ulong addr;
1094#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1095 u64 i;
1096#else
1097 ulong i;
1098#endif
wdenk27b207f2003-07-24 23:38:38 +00001099 int nbytes, size;
Simon Glass0628ab82013-02-24 17:33:15 +00001100 void *ptr = NULL;
wdenk38635852002-08-27 05:55:31 +00001101
Wolfgang Denk47e26b12010-07-17 01:06:04 +02001102 if (argc != 2)
Simon Glass4c12eeb2011-12-10 08:44:01 +00001103 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +00001104
Simon Glassb26440f2014-04-10 20:01:31 -06001105 bootretry_reset_cmd_timeout(); /* got a good command to get here */
wdenk38635852002-08-27 05:55:31 +00001106 /* We use the last specified parameters, unless new ones are
1107 * entered.
1108 */
1109 addr = mm_last_addr;
1110 size = mm_last_size;
1111
1112 if ((flag & CMD_FLAG_REPEAT) == 0) {
1113 /* New command specified. Check for a size specification.
1114 * Defaults to long if no or incorrect specification.
1115 */
wdenk27b207f2003-07-24 23:38:38 +00001116 if ((size = cmd_get_data_size(argv[0], 4)) < 0)
1117 return 1;
wdenk38635852002-08-27 05:55:31 +00001118
1119 /* Address is specified since argc > 1
1120 */
1121 addr = simple_strtoul(argv[1], NULL, 16);
1122 addr += base_address;
1123 }
1124
wdenk2abbe072003-06-16 23:50:08 +00001125#ifdef CONFIG_HAS_DATAFLASH
1126 if (addr_dataflash(addr)){
wdenk4b9206e2004-03-23 22:14:11 +00001127 puts ("Can't modify DataFlash in place. Use cp instead.\n\r");
wdenk2abbe072003-06-16 23:50:08 +00001128 return 0;
1129 }
1130#endif
1131
Mike Frysinger4c727c72008-02-04 19:26:56 -05001132#ifdef CONFIG_BLACKFIN
1133 if (addr_bfin_on_chip_mem(addr)) {
1134 puts ("Can't modify L1 instruction in place. Use cp instead.\n\r");
1135 return 0;
1136 }
1137#endif
1138
wdenk38635852002-08-27 05:55:31 +00001139 /* Print the address, followed by value. Then accept input for
1140 * the next value. A non-converted value exits.
1141 */
1142 do {
Simon Glass0628ab82013-02-24 17:33:15 +00001143 ptr = map_sysmem(addr, size);
wdenk38635852002-08-27 05:55:31 +00001144 printf("%08lx:", addr);
1145 if (size == 4)
York Sun76698b42014-02-12 15:55:35 -08001146 printf(" %08x", *((u32 *)ptr));
York Sun4d1fd7f2014-02-26 17:03:19 -08001147#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1148 else if (size == 8)
1149 printf(" %016llx", *((u64 *)ptr));
1150#endif
wdenk38635852002-08-27 05:55:31 +00001151 else if (size == 2)
York Sun76698b42014-02-12 15:55:35 -08001152 printf(" %04x", *((u16 *)ptr));
wdenk38635852002-08-27 05:55:31 +00001153 else
York Sun76698b42014-02-12 15:55:35 -08001154 printf(" %02x", *((u8 *)ptr));
wdenk38635852002-08-27 05:55:31 +00001155
Simon Glasse1bf8242014-04-10 20:01:27 -06001156 nbytes = cli_readline(" ? ");
wdenk38635852002-08-27 05:55:31 +00001157 if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) {
1158 /* <CR> pressed as only input, don't modify current
1159 * location and move to next. "-" pressed will go back.
1160 */
1161 if (incrflag)
1162 addr += nbytes ? -size : size;
1163 nbytes = 1;
Simon Glassb26440f2014-04-10 20:01:31 -06001164 /* good enough to not time out */
1165 bootretry_reset_cmd_timeout();
wdenk38635852002-08-27 05:55:31 +00001166 }
1167#ifdef CONFIG_BOOT_RETRY_TIME
1168 else if (nbytes == -2) {
1169 break; /* timed out, exit the command */
1170 }
1171#endif
1172 else {
1173 char *endp;
York Sun4d1fd7f2014-02-26 17:03:19 -08001174#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1175 i = simple_strtoull(console_buffer, &endp, 16);
1176#else
wdenk38635852002-08-27 05:55:31 +00001177 i = simple_strtoul(console_buffer, &endp, 16);
York Sun4d1fd7f2014-02-26 17:03:19 -08001178#endif
wdenk38635852002-08-27 05:55:31 +00001179 nbytes = endp - console_buffer;
1180 if (nbytes) {
wdenk38635852002-08-27 05:55:31 +00001181 /* good enough to not time out
1182 */
Simon Glassb26440f2014-04-10 20:01:31 -06001183 bootretry_reset_cmd_timeout();
wdenk38635852002-08-27 05:55:31 +00001184 if (size == 4)
York Sun76698b42014-02-12 15:55:35 -08001185 *((u32 *)ptr) = i;
York Sun4d1fd7f2014-02-26 17:03:19 -08001186#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1187 else if (size == 8)
1188 *((u64 *)ptr) = i;
1189#endif
wdenk38635852002-08-27 05:55:31 +00001190 else if (size == 2)
York Sun76698b42014-02-12 15:55:35 -08001191 *((u16 *)ptr) = i;
wdenk38635852002-08-27 05:55:31 +00001192 else
York Sun76698b42014-02-12 15:55:35 -08001193 *((u8 *)ptr) = i;
wdenk38635852002-08-27 05:55:31 +00001194 if (incrflag)
1195 addr += size;
1196 }
1197 }
1198 } while (nbytes);
Simon Glass0628ab82013-02-24 17:33:15 +00001199 if (ptr)
1200 unmap_sysmem(ptr);
wdenk38635852002-08-27 05:55:31 +00001201
1202 mm_last_addr = addr;
1203 mm_last_size = size;
1204 return 0;
1205}
1206
Mike Frysinger710b9932010-12-21 14:19:51 -05001207#ifdef CONFIG_CMD_CRC32
1208
Kim Phillips088f1b12012-10-29 13:34:31 +00001209static int do_mem_crc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk38635852002-08-27 05:55:31 +00001210{
Simon Glassd20a40d2013-02-24 20:30:22 +00001211 int flags = 0;
1212 int ac;
1213 char * const *av;
wdenk38635852002-08-27 05:55:31 +00001214
Wolfgang Denk47e26b12010-07-17 01:06:04 +02001215 if (argc < 3)
Simon Glass4c12eeb2011-12-10 08:44:01 +00001216 return CMD_RET_USAGE;
wdenk38635852002-08-27 05:55:31 +00001217
wdenkc26e4542004-04-18 10:13:26 +00001218 av = argv + 1;
1219 ac = argc - 1;
Simon Glassd20a40d2013-02-24 20:30:22 +00001220#ifdef CONFIG_HASH_VERIFY
wdenkc26e4542004-04-18 10:13:26 +00001221 if (strcmp(*av, "-v") == 0) {
Simon Glassd20a40d2013-02-24 20:30:22 +00001222 flags |= HASH_FLAG_VERIFY;
wdenkc26e4542004-04-18 10:13:26 +00001223 av++;
1224 ac--;
wdenkc26e4542004-04-18 10:13:26 +00001225 }
Simon Glassd20a40d2013-02-24 20:30:22 +00001226#endif
wdenkc26e4542004-04-18 10:13:26 +00001227
Simon Glassd20a40d2013-02-24 20:30:22 +00001228 return hash_command("crc32", flags, cmdtp, flag, ac, av);
wdenkc26e4542004-04-18 10:13:26 +00001229}
wdenkc26e4542004-04-18 10:13:26 +00001230
Mike Frysinger710b9932010-12-21 14:19:51 -05001231#endif
1232
wdenk8bde7f72003-06-27 21:31:46 +00001233/**************************************************/
wdenk0d498392003-07-01 21:06:45 +00001234U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001235 md, 3, 1, do_mem_md,
Peter Tyser2fb26042009-01-27 18:03:12 -06001236 "memory display",
York Sun4d1fd7f2014-02-26 17:03:19 -08001237#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1238 "[.b, .w, .l, .q] address [# of objects]"
1239#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001240 "[.b, .w, .l] address [# of objects]"
York Sun4d1fd7f2014-02-26 17:03:19 -08001241#endif
wdenk8bde7f72003-06-27 21:31:46 +00001242);
1243
1244
wdenk0d498392003-07-01 21:06:45 +00001245U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001246 mm, 2, 1, do_mem_mm,
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001247 "memory modify (auto-incrementing address)",
York Sun4d1fd7f2014-02-26 17:03:19 -08001248#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1249 "[.b, .w, .l, .q] address"
1250#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001251 "[.b, .w, .l] address"
York Sun4d1fd7f2014-02-26 17:03:19 -08001252#endif
wdenk8bde7f72003-06-27 21:31:46 +00001253);
1254
1255
wdenk0d498392003-07-01 21:06:45 +00001256U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001257 nm, 2, 1, do_mem_nm,
Peter Tyser2fb26042009-01-27 18:03:12 -06001258 "memory modify (constant address)",
York Sun4d1fd7f2014-02-26 17:03:19 -08001259#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1260 "[.b, .w, .l, .q] address"
1261#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001262 "[.b, .w, .l] address"
York Sun4d1fd7f2014-02-26 17:03:19 -08001263#endif
wdenk8bde7f72003-06-27 21:31:46 +00001264);
1265
wdenk0d498392003-07-01 21:06:45 +00001266U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001267 mw, 4, 1, do_mem_mw,
Peter Tyser2fb26042009-01-27 18:03:12 -06001268 "memory write (fill)",
York Sun4d1fd7f2014-02-26 17:03:19 -08001269#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1270 "[.b, .w, .l, .q] address value [count]"
1271#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001272 "[.b, .w, .l] address value [count]"
York Sun4d1fd7f2014-02-26 17:03:19 -08001273#endif
wdenk8bde7f72003-06-27 21:31:46 +00001274);
1275
wdenk0d498392003-07-01 21:06:45 +00001276U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001277 cp, 4, 1, do_mem_cp,
Peter Tyser2fb26042009-01-27 18:03:12 -06001278 "memory copy",
York Sun4d1fd7f2014-02-26 17:03:19 -08001279#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1280 "[.b, .w, .l, .q] source target count"
1281#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001282 "[.b, .w, .l] source target count"
York Sun4d1fd7f2014-02-26 17:03:19 -08001283#endif
wdenk8bde7f72003-06-27 21:31:46 +00001284);
1285
wdenk0d498392003-07-01 21:06:45 +00001286U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001287 cmp, 4, 1, do_mem_cmp,
Peter Tyser2fb26042009-01-27 18:03:12 -06001288 "memory compare",
York Sun4d1fd7f2014-02-26 17:03:19 -08001289#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1290 "[.b, .w, .l, .q] addr1 addr2 count"
1291#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001292 "[.b, .w, .l] addr1 addr2 count"
York Sun4d1fd7f2014-02-26 17:03:19 -08001293#endif
wdenk8bde7f72003-06-27 21:31:46 +00001294);
1295
Mike Frysinger710b9932010-12-21 14:19:51 -05001296#ifdef CONFIG_CMD_CRC32
1297
wdenkc26e4542004-04-18 10:13:26 +00001298#ifndef CONFIG_CRC32_VERIFY
1299
wdenk0d498392003-07-01 21:06:45 +00001300U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001301 crc32, 4, 1, do_mem_crc,
Peter Tyser2fb26042009-01-27 18:03:12 -06001302 "checksum calculation",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001303 "address count [addr]\n - compute CRC32 checksum [save at addr]"
wdenk8bde7f72003-06-27 21:31:46 +00001304);
1305
wdenkc26e4542004-04-18 10:13:26 +00001306#else /* CONFIG_CRC32_VERIFY */
1307
1308U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001309 crc32, 5, 1, do_mem_crc,
Peter Tyser2fb26042009-01-27 18:03:12 -06001310 "checksum calculation",
wdenkc26e4542004-04-18 10:13:26 +00001311 "address count [addr]\n - compute CRC32 checksum [save at addr]\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001312 "-v address count crc\n - verify crc of memory area"
wdenkc26e4542004-04-18 10:13:26 +00001313);
1314
1315#endif /* CONFIG_CRC32_VERIFY */
1316
Mike Frysinger710b9932010-12-21 14:19:51 -05001317#endif
1318
Simon Glass15a33e42012-11-30 13:01:20 +00001319#ifdef CONFIG_CMD_MEMINFO
1320__weak void board_show_dram(ulong size)
1321{
1322 puts("DRAM: ");
1323 print_size(size, "\n");
1324}
1325
1326static int do_mem_info(cmd_tbl_t *cmdtp, int flag, int argc,
1327 char * const argv[])
1328{
1329 board_show_dram(gd->ram_size);
1330
1331 return 0;
1332}
1333#endif
1334
wdenk0d498392003-07-01 21:06:45 +00001335U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001336 base, 2, 1, do_mem_base,
Peter Tyser2fb26042009-01-27 18:03:12 -06001337 "print or set address offset",
wdenk8bde7f72003-06-27 21:31:46 +00001338 "\n - print address offset for memory commands\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001339 "base off\n - set address offset for memory commands to 'off'"
wdenk8bde7f72003-06-27 21:31:46 +00001340);
1341
wdenk0d498392003-07-01 21:06:45 +00001342U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001343 loop, 3, 1, do_mem_loop,
Peter Tyser2fb26042009-01-27 18:03:12 -06001344 "infinite loop on address range",
York Sun4d1fd7f2014-02-26 17:03:19 -08001345#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1346 "[.b, .w, .l, .q] address number_of_objects"
1347#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001348 "[.b, .w, .l] address number_of_objects"
York Sun4d1fd7f2014-02-26 17:03:19 -08001349#endif
wdenk8bde7f72003-06-27 21:31:46 +00001350);
1351
wdenk56523f12004-07-11 17:40:54 +00001352#ifdef CONFIG_LOOPW
1353U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001354 loopw, 4, 1, do_mem_loopw,
Peter Tyser2fb26042009-01-27 18:03:12 -06001355 "infinite write loop on address range",
York Sun4d1fd7f2014-02-26 17:03:19 -08001356#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1357 "[.b, .w, .l, .q] address number_of_objects data_to_write"
1358#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001359 "[.b, .w, .l] address number_of_objects data_to_write"
York Sun4d1fd7f2014-02-26 17:03:19 -08001360#endif
wdenk56523f12004-07-11 17:40:54 +00001361);
1362#endif /* CONFIG_LOOPW */
1363
Wolfgang Denka2681702013-03-08 10:51:32 +00001364#ifdef CONFIG_CMD_MEMTEST
wdenk0d498392003-07-01 21:06:45 +00001365U_BOOT_CMD(
Dirk Eibachb6fc6fd2008-12-16 14:51:56 +01001366 mtest, 5, 1, do_mem_mtest,
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001367 "simple RAM read/write test",
1368 "[start [end [pattern [iterations]]]]"
wdenk8bde7f72003-06-27 21:31:46 +00001369);
Wolfgang Denka2681702013-03-08 10:51:32 +00001370#endif /* CONFIG_CMD_MEMTEST */
wdenk8bde7f72003-06-27 21:31:46 +00001371
stroese4aaf29b2004-12-16 17:42:39 +00001372#ifdef CONFIG_MX_CYCLIC
1373U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001374 mdc, 4, 1, do_mem_mdc,
Peter Tyser2fb26042009-01-27 18:03:12 -06001375 "memory display cyclic",
York Sun4d1fd7f2014-02-26 17:03:19 -08001376#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1377 "[.b, .w, .l, .q] address count delay(ms)"
1378#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001379 "[.b, .w, .l] address count delay(ms)"
York Sun4d1fd7f2014-02-26 17:03:19 -08001380#endif
stroese4aaf29b2004-12-16 17:42:39 +00001381);
1382
1383U_BOOT_CMD(
Wolfgang Denk53677ef2008-05-20 16:00:29 +02001384 mwc, 4, 1, do_mem_mwc,
Peter Tyser2fb26042009-01-27 18:03:12 -06001385 "memory write cyclic",
York Sun4d1fd7f2014-02-26 17:03:19 -08001386#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
1387 "[.b, .w, .l, .q] address value delay(ms)"
1388#else
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001389 "[.b, .w, .l] address value delay(ms)"
York Sun4d1fd7f2014-02-26 17:03:19 -08001390#endif
stroese4aaf29b2004-12-16 17:42:39 +00001391);
1392#endif /* CONFIG_MX_CYCLIC */
Simon Glass15a33e42012-11-30 13:01:20 +00001393
1394#ifdef CONFIG_CMD_MEMINFO
1395U_BOOT_CMD(
1396 meminfo, 3, 1, do_mem_info,
1397 "display memory information",
1398 ""
1399);
1400#endif