]>
git.ipfire.org Git - thirdparty/u-boot.git/blob - cmd/mem.c
1 // SPDX-License-Identifier: GPL-2.0+
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
10 * Copied from FADS ROM, Dan Malek (dmalek@jlc.net)
15 #include <bootretry.h>
25 #include <linux/compiler.h>
27 DECLARE_GLOBAL_DATA_PTR
;
29 #ifndef CONFIG_SYS_MEMTEST_SCRATCH
30 #define CONFIG_SYS_MEMTEST_SCRATCH 0
33 static int mod_mem(struct cmd_tbl
*, int, int, int, char * const []);
35 /* Display values from last command.
36 * Memory modify remembered values are different from display memory.
38 static ulong dp_last_addr
, dp_last_size
;
39 static ulong dp_last_length
= 0x40;
40 static ulong mm_last_addr
, mm_last_size
;
42 static ulong base_address
= 0;
47 * md{.b, .w, .l, .q} {addr} {len}
49 #define DISP_LINE_LEN 16
50 static int do_mem_md(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
53 ulong addr
, length
, bytes
;
58 /* We use the last specified parameters, unless new ones are
63 length
= dp_last_length
;
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.
72 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
75 /* Address is specified since argc > 1
77 addr
= simple_strtoul(argv
[1], NULL
, 16);
80 /* If another parameter, it is the length to display.
81 * Length is the number of objects, not number of bytes.
84 length
= simple_strtoul(argv
[2], NULL
, 16);
87 bytes
= size
* length
;
88 buf
= map_sysmem(addr
, bytes
);
90 /* Print the lines. */
91 print_buffer(addr
, buf
, size
, length
, DISP_LINE_LEN
/ size
);
96 dp_last_length
= length
;
101 static int do_mem_mm(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
104 return mod_mem (cmdtp
, 1, flag
, argc
, argv
);
107 static int do_mem_nm(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
110 return mod_mem (cmdtp
, 0, flag
, argc
, argv
);
113 static int do_mem_mw(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
116 #ifdef MEM_SUPPORT_64BIT_DATA
126 if ((argc
< 3) || (argc
> 4))
127 return CMD_RET_USAGE
;
129 /* Check for size specification.
131 if ((size
= cmd_get_data_size(argv
[0], 4)) < 1)
134 /* Address is specified since argc > 1
136 addr
= simple_strtoul(argv
[1], NULL
, 16);
137 addr
+= base_address
;
139 /* Get the value to write.
141 #ifdef MEM_SUPPORT_64BIT_DATA
142 writeval
= simple_strtoull(argv
[2], NULL
, 16);
144 writeval
= simple_strtoul(argv
[2], NULL
, 16);
149 count
= simple_strtoul(argv
[3], NULL
, 16);
154 bytes
= size
* count
;
155 start
= map_sysmem(addr
, bytes
);
157 while (count
-- > 0) {
159 *((u32
*)buf
) = (u32
)writeval
;
160 #ifdef MEM_SUPPORT_64BIT_DATA
162 *((u64
*)buf
) = (u64
)writeval
;
165 *((u16
*)buf
) = (u16
)writeval
;
167 *((u8
*)buf
) = (u8
)writeval
;
174 #ifdef CONFIG_CMD_MX_CYCLIC
175 static int do_mem_mdc(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
182 return CMD_RET_USAGE
;
184 count
= simple_strtoul(argv
[3], NULL
, 10);
187 do_mem_md (NULL
, 0, 3, argv
);
189 /* delay for <count> ms... */
190 for (i
=0; i
<count
; i
++)
193 /* check for ctrl-c to abort... */
203 static int do_mem_mwc(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
210 return CMD_RET_USAGE
;
212 count
= simple_strtoul(argv
[3], NULL
, 10);
215 do_mem_mw (NULL
, 0, 3, argv
);
217 /* delay for <count> ms... */
218 for (i
=0; i
<count
; i
++)
221 /* check for ctrl-c to abort... */
230 #endif /* CONFIG_CMD_MX_CYCLIC */
232 static int do_mem_cmp(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
235 ulong addr1
, addr2
, count
, ngood
, bytes
;
239 const void *buf1
, *buf2
, *base
;
240 #ifdef MEM_SUPPORT_64BIT_DATA
247 return CMD_RET_USAGE
;
249 /* Check for size specification.
251 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
253 type
= size
== 8 ? "double word" :
255 size
== 2 ? "halfword" : "byte";
257 addr1
= simple_strtoul(argv
[1], NULL
, 16);
258 addr1
+= base_address
;
260 addr2
= simple_strtoul(argv
[2], NULL
, 16);
261 addr2
+= base_address
;
263 count
= simple_strtoul(argv
[3], NULL
, 16);
265 bytes
= size
* count
;
266 base
= buf1
= map_sysmem(addr1
, bytes
);
267 buf2
= map_sysmem(addr2
, bytes
);
268 for (ngood
= 0; ngood
< count
; ++ngood
) {
270 word1
= *(u32
*)buf1
;
271 word2
= *(u32
*)buf2
;
272 #ifdef MEM_SUPPORT_64BIT_DATA
273 } else if (size
== 8) {
274 word1
= *(u64
*)buf1
;
275 word2
= *(u64
*)buf2
;
277 } else if (size
== 2) {
278 word1
= *(u16
*)buf1
;
279 word2
= *(u16
*)buf2
;
284 if (word1
!= word2
) {
285 ulong offset
= buf1
- base
;
286 #ifdef MEM_SUPPORT_64BIT_DATA
287 printf("%s at 0x%p (%#0*llx) != %s at 0x%p (%#0*llx)\n",
288 type
, (void *)(addr1
+ offset
), size
, word1
,
289 type
, (void *)(addr2
+ offset
), size
, word2
);
291 printf("%s at 0x%08lx (%#0*lx) != %s at 0x%08lx (%#0*lx)\n",
292 type
, (ulong
)(addr1
+ offset
), size
, word1
,
293 type
, (ulong
)(addr2
+ offset
), size
, word2
);
302 /* reset watchdog from time to time */
303 if ((ngood
% (64 << 10)) == 0)
309 printf("Total of %ld %s(s) were the same\n", ngood
, type
);
313 static int do_mem_cp(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
316 ulong addr
, dest
, count
;
321 return CMD_RET_USAGE
;
323 /* Check for size specification.
325 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
328 addr
= simple_strtoul(argv
[1], NULL
, 16);
329 addr
+= base_address
;
331 dest
= simple_strtoul(argv
[2], NULL
, 16);
332 dest
+= base_address
;
334 count
= simple_strtoul(argv
[3], NULL
, 16);
337 puts ("Zero length ???\n");
341 src
= map_sysmem(addr
, count
* size
);
342 dst
= map_sysmem(dest
, count
* size
);
344 #ifdef CONFIG_MTD_NOR_FLASH
345 /* check if we are copying to Flash */
346 if (addr2info((ulong
)dst
)) {
349 puts ("Copy to Flash... ");
351 rc
= flash_write((char *)src
, (ulong
)dst
, count
* size
);
365 memcpy(dst
, src
, count
* size
);
372 static int do_mem_base(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
376 /* Set new base address.
378 base_address
= simple_strtoul(argv
[1], NULL
, 16);
380 /* Print the current base address.
382 printf("Base Address: 0x%08lx\n", base_address
);
386 static int do_mem_loop(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
389 ulong addr
, length
, i
, bytes
;
391 #ifdef MEM_SUPPORT_64BIT_DATA
395 volatile u16
*shortp
;
400 return CMD_RET_USAGE
;
403 * Check for a size specification.
404 * Defaults to long if no or incorrect specification.
406 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
409 /* Address is always specified.
411 addr
= simple_strtoul(argv
[1], NULL
, 16);
413 /* Length is the number of objects, not number of bytes.
415 length
= simple_strtoul(argv
[2], NULL
, 16);
417 bytes
= size
* length
;
418 buf
= map_sysmem(addr
, bytes
);
420 /* We want to optimize the loops to run as fast as possible.
421 * If we have only one object, just run infinite loops.
424 #ifdef MEM_SUPPORT_64BIT_DATA
446 #ifdef MEM_SUPPORT_64BIT_DATA
484 static int do_mem_loopw(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
487 ulong addr
, length
, i
, bytes
;
489 #ifdef MEM_SUPPORT_64BIT_DATA
496 volatile u16
*shortp
;
501 return CMD_RET_USAGE
;
504 * Check for a size specification.
505 * Defaults to long if no or incorrect specification.
507 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
510 /* Address is always specified.
512 addr
= simple_strtoul(argv
[1], NULL
, 16);
514 /* Length is the number of objects, not number of bytes.
516 length
= simple_strtoul(argv
[2], NULL
, 16);
519 #ifdef MEM_SUPPORT_64BIT_DATA
520 data
= simple_strtoull(argv
[3], NULL
, 16);
522 data
= simple_strtoul(argv
[3], NULL
, 16);
525 bytes
= size
* length
;
526 buf
= map_sysmem(addr
, bytes
);
528 /* We want to optimize the loops to run as fast as possible.
529 * If we have only one object, just run infinite loops.
532 #ifdef MEM_SUPPORT_64BIT_DATA
554 #ifdef MEM_SUPPORT_64BIT_DATA
587 #endif /* CONFIG_LOOPW */
589 #ifdef CONFIG_CMD_MEMTEST
590 static ulong
mem_test_alt(vu_long
*buf
, ulong start_addr
, ulong end_addr
,
601 vu_long anti_pattern
;
603 static const ulong bitpattern
[] = {
604 0x00000001, /* single bit */
605 0x00000003, /* two adjacent bits */
606 0x00000007, /* three adjacent bits */
607 0x0000000F, /* four adjacent bits */
608 0x00000005, /* two non-adjacent bits */
609 0x00000015, /* three non-adjacent bits */
610 0x00000055, /* four non-adjacent bits */
611 0xaaaaaaaa, /* alternating 1/0 */
614 num_words
= (end_addr
- start_addr
) / sizeof(vu_long
);
617 * Data line test: write a pattern to the first
618 * location, write the 1's complement to a 'parking'
619 * address (changes the state of the data bus so a
620 * floating bus doesn't give a false OK), and then
621 * read the value back. Note that we read it back
622 * into a variable because the next time we read it,
623 * it might be right (been there, tough to explain to
624 * the quality guys why it prints a failure when the
625 * "is" and "should be" are obviously the same in the
628 * Rather than exhaustively testing, we test some
629 * patterns by shifting '1' bits through a field of
630 * '0's and '0' bits through a field of '1's (i.e.
631 * pattern and ~pattern).
634 for (j
= 0; j
< sizeof(bitpattern
) / sizeof(bitpattern
[0]); j
++) {
636 for (; val
!= 0; val
<<= 1) {
638 *dummy
= ~val
; /* clear the test data off the bus */
640 if (readback
!= val
) {
641 printf("FAILURE (data line): "
642 "expected %08lx, actual %08lx\n",
651 if (readback
!= ~val
) {
652 printf("FAILURE (data line): "
653 "Is %08lx, should be %08lx\n",
663 * Based on code whose Original Author and Copyright
664 * information follows: Copyright (c) 1998 by Michael
665 * Barr. This software is placed into the public
666 * domain and may be used for any purpose. However,
667 * this notice must not be changed or removed and no
668 * warranty is either expressed or implied by its
669 * publication or distribution.
675 * Description: Test the address bus wiring in a
676 * memory region by performing a walking
677 * 1's test on the relevant bits of the
678 * address and checking for aliasing.
679 * This test will find single-bit
680 * address failures such as stuck-high,
681 * stuck-low, and shorted pins. The base
682 * address and size of the region are
683 * selected by the caller.
685 * Notes: For best results, the selected base
686 * address should have enough LSB 0's to
687 * guarantee single address bit changes.
688 * For example, to test a 64-Kbyte
689 * region, select a base address on a
690 * 64-Kbyte boundary. Also, select the
691 * region size as a power-of-two if at
694 * Returns: 0 if the test succeeds, 1 if the test fails.
696 pattern
= (vu_long
) 0xaaaaaaaa;
697 anti_pattern
= (vu_long
) 0x55555555;
699 debug("%s:%d: length = 0x%.8lx\n", __func__
, __LINE__
, num_words
);
701 * Write the default pattern at each of the
702 * power-of-two offsets.
704 for (offset
= 1; offset
< num_words
; offset
<<= 1)
705 addr
[offset
] = pattern
;
708 * Check for address bits stuck high.
711 addr
[test_offset
] = anti_pattern
;
713 for (offset
= 1; offset
< num_words
; offset
<<= 1) {
715 if (temp
!= pattern
) {
716 printf("\nFAILURE: Address bit stuck high @ 0x%.8lx:"
717 " expected 0x%.8lx, actual 0x%.8lx\n",
718 start_addr
+ offset
*sizeof(vu_long
),
725 addr
[test_offset
] = pattern
;
729 * Check for addr bits stuck low or shorted.
731 for (test_offset
= 1; test_offset
< num_words
; test_offset
<<= 1) {
732 addr
[test_offset
] = anti_pattern
;
734 for (offset
= 1; offset
< num_words
; offset
<<= 1) {
736 if ((temp
!= pattern
) && (offset
!= test_offset
)) {
737 printf("\nFAILURE: Address bit stuck low or"
738 " shorted @ 0x%.8lx: expected 0x%.8lx,"
740 start_addr
+ offset
*sizeof(vu_long
),
747 addr
[test_offset
] = pattern
;
751 * Description: Test the integrity of a physical
752 * memory device by performing an
753 * increment/decrement test over the
754 * entire region. In the process every
755 * storage bit in the device is tested
756 * as a zero and a one. The base address
757 * and the size of the region are
758 * selected by the caller.
760 * Returns: 0 if the test succeeds, 1 if the test fails.
765 * Fill memory with a known pattern.
767 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
769 addr
[offset
] = pattern
;
773 * Check each location and invert it for the second pass.
775 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
778 if (temp
!= pattern
) {
779 printf("\nFAILURE (read/write) @ 0x%.8lx:"
780 " expected 0x%.8lx, actual 0x%.8lx)\n",
781 start_addr
+ offset
*sizeof(vu_long
),
788 anti_pattern
= ~pattern
;
789 addr
[offset
] = anti_pattern
;
793 * Check each location for the inverted pattern and zero it.
795 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
797 anti_pattern
= ~pattern
;
799 if (temp
!= anti_pattern
) {
800 printf("\nFAILURE (read/write): @ 0x%.8lx:"
801 " expected 0x%.8lx, actual 0x%.8lx)\n",
802 start_addr
+ offset
*sizeof(vu_long
),
814 static int compare_regions(volatile unsigned long *bufa
,
815 volatile unsigned long *bufb
, size_t count
)
817 volatile unsigned long *p1
= bufa
;
818 volatile unsigned long *p2
= bufb
;
822 for (i
= 0; i
< count
; i
++, p1
++, p2
++) {
824 printf("FAILURE: 0x%08lx != 0x%08lx (delta=0x%08lx -> bit %ld) at offset 0x%08lx\n",
825 (unsigned long)*p1
, (unsigned long)*p2
,
826 *p1
^ *p2
, __ffs(*p1
^ *p2
),
827 (unsigned long)(i
* sizeof(unsigned long)));
835 static ulong
test_bitflip_comparison(volatile unsigned long *bufa
,
836 volatile unsigned long *bufb
, size_t count
)
838 volatile unsigned long *p1
= bufa
;
839 volatile unsigned long *p2
= bufb
;
846 max
= sizeof(unsigned long) * 8;
847 for (k
= 0; k
< max
; k
++) {
848 q
= 0x00000001L
<< k
;
849 for (j
= 0; j
< 8; j
++) {
852 p1
= (volatile unsigned long *)bufa
;
853 p2
= (volatile unsigned long *)bufb
;
854 for (i
= 0; i
< count
; i
++)
855 *p1
++ = *p2
++ = (i
% 2) == 0 ? q
: ~q
;
857 errs
+= compare_regions(bufa
, bufb
, count
);
867 static ulong
mem_test_quick(vu_long
*buf
, ulong start_addr
, ulong end_addr
,
868 vu_long pattern
, int iteration
)
876 /* Alternate the pattern */
881 * Flip the pattern each time to make lots of zeros and
882 * then, the next time, lots of ones. We decrement
883 * the "negative" patterns and increment the "positive"
884 * patterns to preserve this feature.
886 if (pattern
& 0x80000000)
887 pattern
= -pattern
; /* complement & increment */
891 length
= (end_addr
- start_addr
) / sizeof(ulong
);
893 printf("\rPattern %08lX Writing..."
895 "\b\b\b\b\b\b\b\b\b\b",
898 for (addr
= buf
, val
= pattern
; addr
< end
; addr
++) {
906 for (addr
= buf
, val
= pattern
; addr
< end
; addr
++) {
909 if (readback
!= val
) {
910 ulong offset
= addr
- buf
;
912 printf("\nMem error @ 0x%08X: "
913 "found %08lX, expected %08lX\n",
914 (uint
)(uintptr_t)(start_addr
+ offset
*sizeof(vu_long
)),
927 * Perform a memory test. A more complete alternative test can be
928 * configured using CONFIG_SYS_ALT_MEMTEST. The complete test loops until
929 * interrupted by ctrl-c or by a failure of one of the sub-tests.
931 static int do_mem_mtest(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
935 vu_long scratch_space
;
936 vu_long
*buf
, *dummy
= &scratch_space
;
937 ulong iteration_limit
= 0;
939 ulong errs
= 0; /* number of errors, or -1 if interrupted */
943 start
= CONFIG_SYS_MEMTEST_START
;
944 end
= CONFIG_SYS_MEMTEST_END
;
947 if (strict_strtoul(argv
[1], 16, &start
) < 0)
948 return CMD_RET_USAGE
;
951 if (strict_strtoul(argv
[2], 16, &end
) < 0)
952 return CMD_RET_USAGE
;
955 if (strict_strtoul(argv
[3], 16, &pattern
) < 0)
956 return CMD_RET_USAGE
;
959 if (strict_strtoul(argv
[4], 16, &iteration_limit
) < 0)
960 return CMD_RET_USAGE
;
963 printf("Refusing to do empty test\n");
967 printf("Testing %08lx ... %08lx:\n", start
, end
);
968 debug("%s:%d: start %#08lx end %#08lx\n", __func__
, __LINE__
,
971 buf
= map_sysmem(start
, end
- start
);
973 !iteration_limit
|| iteration
< iteration_limit
;
980 printf("Iteration: %6d\r", iteration
+ 1);
982 if (IS_ENABLED(CONFIG_SYS_ALT_MEMTEST
)) {
983 errs
= mem_test_alt(buf
, start
, end
, dummy
);
987 errs
= test_bitflip_comparison(buf
,
988 buf
+ (end
- start
) / 2,
990 sizeof(unsigned long));
992 errs
= mem_test_quick(buf
, start
, end
, pattern
,
1000 unmap_sysmem((void *)buf
);
1003 /* Memory test was aborted - write a newline to finish off */
1006 printf("Tested %d iteration(s) with %lu errors.\n", iteration
, count
);
1010 #endif /* CONFIG_CMD_MEMTEST */
1015 * mm{.b, .w, .l, .q} {addr}
1016 * nm{.b, .w, .l, .q} {addr}
1019 mod_mem(struct cmd_tbl
*cmdtp
, int incrflag
, int flag
, int argc
,
1023 #ifdef MEM_SUPPORT_64BIT_DATA
1032 return CMD_RET_USAGE
;
1034 bootretry_reset_cmd_timeout(); /* got a good command to get here */
1035 /* We use the last specified parameters, unless new ones are
1038 addr
= mm_last_addr
;
1039 size
= mm_last_size
;
1041 if ((flag
& CMD_FLAG_REPEAT
) == 0) {
1042 /* New command specified. Check for a size specification.
1043 * Defaults to long if no or incorrect specification.
1045 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
1048 /* Address is specified since argc > 1
1050 addr
= simple_strtoul(argv
[1], NULL
, 16);
1051 addr
+= base_address
;
1054 /* Print the address, followed by value. Then accept input for
1055 * the next value. A non-converted value exits.
1058 ptr
= map_sysmem(addr
, size
);
1059 printf("%08lx:", addr
);
1061 printf(" %08x", *((u32
*)ptr
));
1062 #ifdef MEM_SUPPORT_64BIT_DATA
1064 printf(" %016llx", *((u64
*)ptr
));
1067 printf(" %04x", *((u16
*)ptr
));
1069 printf(" %02x", *((u8
*)ptr
));
1071 nbytes
= cli_readline(" ? ");
1072 if (nbytes
== 0 || (nbytes
== 1 && console_buffer
[0] == '-')) {
1073 /* <CR> pressed as only input, don't modify current
1074 * location and move to next. "-" pressed will go back.
1077 addr
+= nbytes
? -size
: size
;
1079 /* good enough to not time out */
1080 bootretry_reset_cmd_timeout();
1082 #ifdef CONFIG_BOOT_RETRY_TIME
1083 else if (nbytes
== -2) {
1084 break; /* timed out, exit the command */
1089 #ifdef MEM_SUPPORT_64BIT_DATA
1090 i
= simple_strtoull(console_buffer
, &endp
, 16);
1092 i
= simple_strtoul(console_buffer
, &endp
, 16);
1094 nbytes
= endp
- console_buffer
;
1096 /* good enough to not time out
1098 bootretry_reset_cmd_timeout();
1101 #ifdef MEM_SUPPORT_64BIT_DATA
1117 mm_last_addr
= addr
;
1118 mm_last_size
= size
;
1122 #ifdef CONFIG_CMD_CRC32
1124 static int do_mem_crc(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
1132 return CMD_RET_USAGE
;
1136 #ifdef CONFIG_CRC32_VERIFY
1137 if (strcmp(*av
, "-v") == 0) {
1138 flags
|= HASH_FLAG_VERIFY
| HASH_FLAG_ENV
;
1144 return hash_command("crc32", flags
, cmdtp
, flag
, ac
, av
);
1149 #ifdef CONFIG_CMD_RANDOM
1150 static int do_random(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
1153 unsigned long addr
, len
;
1154 unsigned long seed
; // NOT INITIALIZED ON PURPOSE
1155 unsigned int *buf
, *start
;
1156 unsigned char *buf8
;
1159 if (argc
< 3 || argc
> 4)
1160 return CMD_RET_USAGE
;
1162 len
= simple_strtoul(argv
[2], NULL
, 16);
1163 addr
= simple_strtoul(argv
[1], NULL
, 16);
1166 seed
= simple_strtoul(argv
[3], NULL
, 16);
1168 printf("The seed cannot be 0. Using 0xDEADBEEF.\n");
1172 seed
= get_timer(0) ^ rand();
1176 start
= map_sysmem(addr
, len
);
1178 for (i
= 0; i
< (len
/ 4); i
++)
1181 buf8
= (unsigned char *)buf
;
1182 for (i
= 0; i
< (len
% 4); i
++)
1183 *buf8
++ = rand() & 0xFF;
1185 unmap_sysmem(start
);
1186 printf("%lu bytes filled with random data\n", len
);
1188 return CMD_RET_SUCCESS
;
1192 /**************************************************/
1194 md
, 3, 1, do_mem_md
,
1196 #ifdef MEM_SUPPORT_64BIT_DATA
1197 "[.b, .w, .l, .q] address [# of objects]"
1199 "[.b, .w, .l] address [# of objects]"
1205 mm
, 2, 1, do_mem_mm
,
1206 "memory modify (auto-incrementing address)",
1207 #ifdef MEM_SUPPORT_64BIT_DATA
1208 "[.b, .w, .l, .q] address"
1210 "[.b, .w, .l] address"
1216 nm
, 2, 1, do_mem_nm
,
1217 "memory modify (constant address)",
1218 #ifdef MEM_SUPPORT_64BIT_DATA
1219 "[.b, .w, .l, .q] address"
1221 "[.b, .w, .l] address"
1226 mw
, 4, 1, do_mem_mw
,
1227 "memory write (fill)",
1228 #ifdef MEM_SUPPORT_64BIT_DATA
1229 "[.b, .w, .l, .q] address value [count]"
1231 "[.b, .w, .l] address value [count]"
1236 cp
, 4, 1, do_mem_cp
,
1238 #ifdef MEM_SUPPORT_64BIT_DATA
1239 "[.b, .w, .l, .q] source target count"
1241 "[.b, .w, .l] source target count"
1246 cmp
, 4, 1, do_mem_cmp
,
1248 #ifdef MEM_SUPPORT_64BIT_DATA
1249 "[.b, .w, .l, .q] addr1 addr2 count"
1251 "[.b, .w, .l] addr1 addr2 count"
1255 #ifdef CONFIG_CMD_CRC32
1257 #ifndef CONFIG_CRC32_VERIFY
1260 crc32
, 4, 1, do_mem_crc
,
1261 "checksum calculation",
1262 "address count [addr]\n - compute CRC32 checksum [save at addr]"
1265 #else /* CONFIG_CRC32_VERIFY */
1268 crc32
, 5, 1, do_mem_crc
,
1269 "checksum calculation",
1270 "address count [addr]\n - compute CRC32 checksum [save at addr]\n"
1271 "-v address count crc\n - verify crc of memory area"
1274 #endif /* CONFIG_CRC32_VERIFY */
1278 #ifdef CONFIG_CMD_MEMINFO
1279 static int do_mem_info(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
1283 print_size(gd
->ram_size
, "\n");
1290 base
, 2, 1, do_mem_base
,
1291 "print or set address offset",
1292 "\n - print address offset for memory commands\n"
1293 "base off\n - set address offset for memory commands to 'off'"
1297 loop
, 3, 1, do_mem_loop
,
1298 "infinite loop on address range",
1299 #ifdef MEM_SUPPORT_64BIT_DATA
1300 "[.b, .w, .l, .q] address number_of_objects"
1302 "[.b, .w, .l] address number_of_objects"
1308 loopw
, 4, 1, do_mem_loopw
,
1309 "infinite write loop on address range",
1310 #ifdef MEM_SUPPORT_64BIT_DATA
1311 "[.b, .w, .l, .q] address number_of_objects data_to_write"
1313 "[.b, .w, .l] address number_of_objects data_to_write"
1316 #endif /* CONFIG_LOOPW */
1318 #ifdef CONFIG_CMD_MEMTEST
1320 mtest
, 5, 1, do_mem_mtest
,
1321 "simple RAM read/write test",
1322 "[start [end [pattern [iterations]]]]"
1324 #endif /* CONFIG_CMD_MEMTEST */
1326 #ifdef CONFIG_CMD_MX_CYCLIC
1328 mdc
, 4, 1, do_mem_mdc
,
1329 "memory display cyclic",
1330 #ifdef MEM_SUPPORT_64BIT_DATA
1331 "[.b, .w, .l, .q] address count delay(ms)"
1333 "[.b, .w, .l] address count delay(ms)"
1338 mwc
, 4, 1, do_mem_mwc
,
1339 "memory write cyclic",
1340 #ifdef MEM_SUPPORT_64BIT_DATA
1341 "[.b, .w, .l, .q] address value delay(ms)"
1343 "[.b, .w, .l] address value delay(ms)"
1346 #endif /* CONFIG_CMD_MX_CYCLIC */
1348 #ifdef CONFIG_CMD_MEMINFO
1350 meminfo
, 3, 1, do_mem_info
,
1351 "display memory information",
1356 #ifdef CONFIG_CMD_RANDOM
1358 random
, 4, 0, do_random
,
1359 "fill memory with random pattern",
1360 "<addr> <len> [<seed>]\n"
1361 " - Fill 'len' bytes of memory starting at 'addr' with random data\n"