3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
27 * Copied from FADS ROM, Dan Malek (dmalek@jlc.net)
32 #ifdef CONFIG_HAS_DATAFLASH
33 #include <dataflash.h>
36 #include <linux/compiler.h>
38 DECLARE_GLOBAL_DATA_PTR
;
40 static int mod_mem(cmd_tbl_t
*, int, int, int, char * const []);
42 /* Display values from last command.
43 * Memory modify remembered values are different from display memory.
45 static uint dp_last_addr
, dp_last_size
;
46 static uint dp_last_length
= 0x40;
47 static uint mm_last_addr
, mm_last_size
;
49 static ulong base_address
= 0;
54 * md{.b, .w, .l} {addr} {len}
56 #define DISP_LINE_LEN 16
57 static int do_mem_md(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
60 #if defined(CONFIG_HAS_DATAFLASH)
61 ulong nbytes
, linebytes
;
66 /* We use the last specified parameters, unless new ones are
71 length
= dp_last_length
;
76 if ((flag
& CMD_FLAG_REPEAT
) == 0) {
77 /* New command specified. Check for a size specification.
78 * Defaults to long if no or incorrect specification.
80 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
83 /* Address is specified since argc > 1
85 addr
= simple_strtoul(argv
[1], NULL
, 16);
88 /* If another parameter, it is the length to display.
89 * Length is the number of objects, not number of bytes.
92 length
= simple_strtoul(argv
[2], NULL
, 16);
95 #if defined(CONFIG_HAS_DATAFLASH)
98 * We buffer all read data, so we can make sure data is read only
99 * once, and all accesses are with the specified bus width.
101 nbytes
= length
* size
;
103 char linebuf
[DISP_LINE_LEN
];
105 linebytes
= (nbytes
>DISP_LINE_LEN
)?DISP_LINE_LEN
:nbytes
;
107 rc
= read_dataflash(addr
, (linebytes
/size
)*size
, linebuf
);
108 p
= (rc
== DATAFLASH_OK
) ? linebuf
: (void*)addr
;
109 print_buffer(addr
, p
, size
, linebytes
/size
, DISP_LINE_LEN
/size
);
117 } while (nbytes
> 0);
120 # if defined(CONFIG_BLACKFIN)
121 /* See if we're trying to display L1 inst */
122 if (addr_bfin_on_chip_mem(addr
)) {
123 char linebuf
[DISP_LINE_LEN
];
124 ulong linebytes
, nbytes
= length
* size
;
126 linebytes
= (nbytes
> DISP_LINE_LEN
) ? DISP_LINE_LEN
: nbytes
;
127 memcpy(linebuf
, (void *)addr
, linebytes
);
128 print_buffer(addr
, linebuf
, size
, linebytes
/size
, DISP_LINE_LEN
/size
);
136 } while (nbytes
> 0);
141 /* Print the lines. */
142 print_buffer(addr
, (void*)addr
, size
, length
, DISP_LINE_LEN
/size
);
148 dp_last_length
= length
;
153 static int do_mem_mm(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
155 return mod_mem (cmdtp
, 1, flag
, argc
, argv
);
157 static int do_mem_nm(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
159 return mod_mem (cmdtp
, 0, flag
, argc
, argv
);
162 static int do_mem_mw(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
164 ulong addr
, writeval
, count
;
167 if ((argc
< 3) || (argc
> 4))
168 return CMD_RET_USAGE
;
170 /* Check for size specification.
172 if ((size
= cmd_get_data_size(argv
[0], 4)) < 1)
175 /* Address is specified since argc > 1
177 addr
= simple_strtoul(argv
[1], NULL
, 16);
178 addr
+= base_address
;
180 /* Get the value to write.
182 writeval
= simple_strtoul(argv
[2], NULL
, 16);
186 count
= simple_strtoul(argv
[3], NULL
, 16);
191 while (count
-- > 0) {
193 *((ulong
*)addr
) = (ulong
)writeval
;
195 *((ushort
*)addr
) = (ushort
)writeval
;
197 *((u_char
*)addr
) = (u_char
)writeval
;
203 #ifdef CONFIG_MX_CYCLIC
204 int do_mem_mdc ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
210 return CMD_RET_USAGE
;
212 count
= simple_strtoul(argv
[3], NULL
, 10);
215 do_mem_md (NULL
, 0, 3, argv
);
217 /* delay for <count> ms... */
218 for (i
=0; i
<count
; i
++)
221 /* check for ctrl-c to abort... */
231 int do_mem_mwc ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
237 return CMD_RET_USAGE
;
239 count
= simple_strtoul(argv
[3], NULL
, 10);
242 do_mem_mw (NULL
, 0, 3, argv
);
244 /* delay for <count> ms... */
245 for (i
=0; i
<count
; i
++)
248 /* check for ctrl-c to abort... */
257 #endif /* CONFIG_MX_CYCLIC */
259 static int do_mem_cmp(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
261 ulong addr1
, addr2
, count
, ngood
;
267 return CMD_RET_USAGE
;
269 /* Check for size specification.
271 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
273 type
= size
== 4 ? "word" : size
== 2 ? "halfword" : "byte";
275 addr1
= simple_strtoul(argv
[1], NULL
, 16);
276 addr1
+= base_address
;
278 addr2
= simple_strtoul(argv
[2], NULL
, 16);
279 addr2
+= base_address
;
281 count
= simple_strtoul(argv
[3], NULL
, 16);
283 #ifdef CONFIG_HAS_DATAFLASH
284 if (addr_dataflash(addr1
) | addr_dataflash(addr2
)){
285 puts ("Comparison with DataFlash space not supported.\n\r");
290 #ifdef CONFIG_BLACKFIN
291 if (addr_bfin_on_chip_mem(addr1
) || addr_bfin_on_chip_mem(addr2
)) {
292 puts ("Comparison with L1 instruction memory not supported.\n\r");
297 for (ngood
= 0; ngood
< count
; ++ngood
) {
300 word1
= *(ulong
*)addr1
;
301 word2
= *(ulong
*)addr2
;
302 } else if (size
== 2) {
303 word1
= *(ushort
*)addr1
;
304 word2
= *(ushort
*)addr2
;
306 word1
= *(u_char
*)addr1
;
307 word2
= *(u_char
*)addr2
;
309 if (word1
!= word2
) {
310 printf("%s at 0x%08lx (%#0*lx) != %s at 0x%08lx (%#0*lx)\n",
311 type
, addr1
, size
, word1
,
312 type
, addr2
, size
, word2
);
320 /* reset watchdog from time to time */
321 if ((ngood
% (64 << 10)) == 0)
325 printf("Total of %ld %s(s) were the same\n", ngood
, type
);
329 static int do_mem_cp(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
331 ulong addr
, dest
, count
;
335 return CMD_RET_USAGE
;
337 /* Check for size specification.
339 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
342 addr
= simple_strtoul(argv
[1], NULL
, 16);
343 addr
+= base_address
;
345 dest
= simple_strtoul(argv
[2], NULL
, 16);
346 dest
+= base_address
;
348 count
= simple_strtoul(argv
[3], NULL
, 16);
351 puts ("Zero length ???\n");
355 #ifndef CONFIG_SYS_NO_FLASH
356 /* check if we are copying to Flash */
357 if ( (addr2info(dest
) != NULL
)
358 #ifdef CONFIG_HAS_DATAFLASH
359 && (!addr_dataflash(dest
))
364 puts ("Copy to Flash... ");
366 rc
= flash_write ((char *)addr
, dest
, count
*size
);
376 #ifdef CONFIG_HAS_DATAFLASH
377 /* Check if we are copying from RAM or Flash to DataFlash */
378 if (addr_dataflash(dest
) && !addr_dataflash(addr
)){
381 puts ("Copy to DataFlash... ");
383 rc
= write_dataflash (dest
, addr
, count
*size
);
386 dataflash_perror (rc
);
393 /* Check if we are copying from DataFlash to RAM */
394 if (addr_dataflash(addr
) && !addr_dataflash(dest
)
395 #ifndef CONFIG_SYS_NO_FLASH
396 && (addr2info(dest
) == NULL
)
400 rc
= read_dataflash(addr
, count
* size
, (char *) dest
);
402 dataflash_perror (rc
);
408 if (addr_dataflash(addr
) && addr_dataflash(dest
)){
409 puts ("Unsupported combination of source/destination.\n\r");
414 #ifdef CONFIG_BLACKFIN
415 /* See if we're copying to/from L1 inst */
416 if (addr_bfin_on_chip_mem(dest
) || addr_bfin_on_chip_mem(addr
)) {
417 memcpy((void *)dest
, (void *)addr
, count
* size
);
422 while (count
-- > 0) {
424 *((ulong
*)dest
) = *((ulong
*)addr
);
426 *((ushort
*)dest
) = *((ushort
*)addr
);
428 *((u_char
*)dest
) = *((u_char
*)addr
);
432 /* reset watchdog from time to time */
433 if ((count
% (64 << 10)) == 0)
439 static int do_mem_base(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
443 /* Set new base address.
445 base_address
= simple_strtoul(argv
[1], NULL
, 16);
447 /* Print the current base address.
449 printf("Base Address: 0x%08lx\n", base_address
);
453 static int do_mem_loop(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
456 ulong addr
, length
, i
;
458 volatile uint
*longp
;
459 volatile ushort
*shortp
;
463 return CMD_RET_USAGE
;
465 /* Check for a size spefication.
466 * Defaults to long if no or incorrect specification.
468 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
471 /* Address is always specified.
473 addr
= simple_strtoul(argv
[1], NULL
, 16);
475 /* Length is the number of objects, not number of bytes.
477 length
= simple_strtoul(argv
[2], NULL
, 16);
479 /* We want to optimize the loops to run as fast as possible.
480 * If we have only one object, just run infinite loops.
484 longp
= (uint
*)addr
;
489 shortp
= (ushort
*)addr
;
500 longp
= (uint
*)addr
;
508 shortp
= (ushort
*)addr
;
523 int do_mem_loopw (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
525 ulong addr
, length
, i
, data
;
527 volatile uint
*longp
;
528 volatile ushort
*shortp
;
532 return CMD_RET_USAGE
;
534 /* Check for a size spefication.
535 * Defaults to long if no or incorrect specification.
537 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
540 /* Address is always specified.
542 addr
= simple_strtoul(argv
[1], NULL
, 16);
544 /* Length is the number of objects, not number of bytes.
546 length
= simple_strtoul(argv
[2], NULL
, 16);
549 data
= simple_strtoul(argv
[3], NULL
, 16);
551 /* We want to optimize the loops to run as fast as possible.
552 * If we have only one object, just run infinite loops.
556 longp
= (uint
*)addr
;
561 shortp
= (ushort
*)addr
;
572 longp
= (uint
*)addr
;
580 shortp
= (ushort
*)addr
;
593 #endif /* CONFIG_LOOPW */
596 * Perform a memory test. A more complete alternative test can be
597 * configured using CONFIG_SYS_ALT_MEMTEST. The complete test loops until
598 * interrupted by ctrl-c or by a failure of one of the sub-tests.
600 static int do_mem_mtest(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
603 vu_long
*addr
, *start
, *end
;
610 #if defined(CONFIG_SYS_ALT_MEMTEST)
616 vu_long anti_pattern
;
618 #if defined(CONFIG_SYS_MEMTEST_SCRATCH)
619 vu_long
*dummy
= (vu_long
*)CONFIG_SYS_MEMTEST_SCRATCH
;
621 vu_long
*dummy
= NULL
; /* yes, this is address 0x0, not NULL */
625 static const ulong bitpattern
[] = {
626 0x00000001, /* single bit */
627 0x00000003, /* two adjacent bits */
628 0x00000007, /* three adjacent bits */
629 0x0000000F, /* four adjacent bits */
630 0x00000005, /* two non-adjacent bits */
631 0x00000015, /* three non-adjacent bits */
632 0x00000055, /* four non-adjacent bits */
633 0xaaaaaaaa, /* alternating 1/0 */
641 start
= (ulong
*)simple_strtoul(argv
[1], NULL
, 16);
643 start
= (ulong
*)CONFIG_SYS_MEMTEST_START
;
646 end
= (ulong
*)simple_strtoul(argv
[2], NULL
, 16);
648 end
= (ulong
*)(CONFIG_SYS_MEMTEST_END
);
651 pattern
= (ulong
)simple_strtoul(argv
[3], NULL
, 16);
656 iteration_limit
= (ulong
)simple_strtoul(argv
[4], NULL
, 16);
660 #if defined(CONFIG_SYS_ALT_MEMTEST)
661 printf ("Testing %08x ... %08x:\n", (uint
)start
, (uint
)end
);
662 debug("%s:%d: start 0x%p end 0x%p\n",
663 __FUNCTION__
, __LINE__
, start
, end
);
672 if (iteration_limit
&& iterations
> iteration_limit
) {
673 printf("Tested %d iteration(s) with %lu errors.\n",
678 printf("Iteration: %6d\r", iterations
);
683 * Data line test: write a pattern to the first
684 * location, write the 1's complement to a 'parking'
685 * address (changes the state of the data bus so a
686 * floating bus doen't give a false OK), and then
687 * read the value back. Note that we read it back
688 * into a variable because the next time we read it,
689 * it might be right (been there, tough to explain to
690 * the quality guys why it prints a failure when the
691 * "is" and "should be" are obviously the same in the
694 * Rather than exhaustively testing, we test some
695 * patterns by shifting '1' bits through a field of
696 * '0's and '0' bits through a field of '1's (i.e.
697 * pattern and ~pattern).
700 for (j
= 0; j
< sizeof(bitpattern
)/sizeof(bitpattern
[0]); j
++) {
702 for(; val
!= 0; val
<<= 1) {
704 *dummy
= ~val
; /* clear the test data off of the bus */
706 if(readback
!= val
) {
707 printf ("FAILURE (data line): "
708 "expected %08lx, actual %08lx\n",
719 if(readback
!= ~val
) {
720 printf ("FAILURE (data line): "
721 "Is %08lx, should be %08lx\n",
733 * Based on code whose Original Author and Copyright
734 * information follows: Copyright (c) 1998 by Michael
735 * Barr. This software is placed into the public
736 * domain and may be used for any purpose. However,
737 * this notice must not be changed or removed and no
738 * warranty is either expressed or implied by its
739 * publication or distribution.
745 * Description: Test the address bus wiring in a
746 * memory region by performing a walking
747 * 1's test on the relevant bits of the
748 * address and checking for aliasing.
749 * This test will find single-bit
750 * address failures such as stuck -high,
751 * stuck-low, and shorted pins. The base
752 * address and size of the region are
753 * selected by the caller.
755 * Notes: For best results, the selected base
756 * address should have enough LSB 0's to
757 * guarantee single address bit changes.
758 * For example, to test a 64-Kbyte
759 * region, select a base address on a
760 * 64-Kbyte boundary. Also, select the
761 * region size as a power-of-two if at
764 * Returns: 0 if the test succeeds, 1 if the test fails.
766 len
= ((ulong
)end
- (ulong
)start
)/sizeof(vu_long
);
767 pattern
= (vu_long
) 0xaaaaaaaa;
768 anti_pattern
= (vu_long
) 0x55555555;
770 debug("%s:%d: length = 0x%.8lx\n",
771 __FUNCTION__
, __LINE__
,
774 * Write the default pattern at each of the
775 * power-of-two offsets.
777 for (offset
= 1; offset
< len
; offset
<<= 1) {
778 start
[offset
] = pattern
;
782 * Check for address bits stuck high.
785 start
[test_offset
] = anti_pattern
;
787 for (offset
= 1; offset
< len
; offset
<<= 1) {
788 temp
= start
[offset
];
789 if (temp
!= pattern
) {
790 printf ("\nFAILURE: Address bit stuck high @ 0x%.8lx:"
791 " expected 0x%.8lx, actual 0x%.8lx\n",
792 (ulong
)&start
[offset
], pattern
, temp
);
800 start
[test_offset
] = pattern
;
804 * Check for addr bits stuck low or shorted.
806 for (test_offset
= 1; test_offset
< len
; test_offset
<<= 1) {
807 start
[test_offset
] = anti_pattern
;
809 for (offset
= 1; offset
< len
; offset
<<= 1) {
810 temp
= start
[offset
];
811 if ((temp
!= pattern
) && (offset
!= test_offset
)) {
812 printf ("\nFAILURE: Address bit stuck low or shorted @"
813 " 0x%.8lx: expected 0x%.8lx, actual 0x%.8lx\n",
814 (ulong
)&start
[offset
], pattern
, temp
);
822 start
[test_offset
] = pattern
;
826 * Description: Test the integrity of a physical
827 * memory device by performing an
828 * increment/decrement test over the
829 * entire region. In the process every
830 * storage bit in the device is tested
831 * as a zero and a one. The base address
832 * and the size of the region are
833 * selected by the caller.
835 * Returns: 0 if the test succeeds, 1 if the test fails.
837 num_words
= ((ulong
)end
- (ulong
)start
)/sizeof(vu_long
) + 1;
840 * Fill memory with a known pattern.
842 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
844 start
[offset
] = pattern
;
848 * Check each location and invert it for the second pass.
850 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
852 temp
= start
[offset
];
853 if (temp
!= pattern
) {
854 printf ("\nFAILURE (read/write) @ 0x%.8lx:"
855 " expected 0x%.8lx, actual 0x%.8lx)\n",
856 (ulong
)&start
[offset
], pattern
, temp
);
864 anti_pattern
= ~pattern
;
865 start
[offset
] = anti_pattern
;
869 * Check each location for the inverted pattern and zero it.
871 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
873 anti_pattern
= ~pattern
;
874 temp
= start
[offset
];
875 if (temp
!= anti_pattern
) {
876 printf ("\nFAILURE (read/write): @ 0x%.8lx:"
877 " expected 0x%.8lx, actual 0x%.8lx)\n",
878 (ulong
)&start
[offset
], anti_pattern
, temp
);
889 #else /* The original, quickie test */
897 if (iteration_limit
&& iterations
> iteration_limit
) {
898 printf("Tested %d iteration(s) with %lu errors.\n",
904 printf ("\rPattern %08lX Writing..."
906 "\b\b\b\b\b\b\b\b\b\b",
909 for (addr
=start
,val
=pattern
; addr
<end
; addr
++) {
917 for (addr
=start
,val
=pattern
; addr
<end
; addr
++) {
920 if (readback
!= val
) {
921 printf ("\nMem error @ 0x%08X: "
922 "found %08lX, expected %08lX\n",
923 (uint
)(uintptr_t)addr
, readback
, val
);
934 * Flip the pattern each time to make lots of zeros and
935 * then, the next time, lots of ones. We decrement
936 * the "negative" patterns and increment the "positive"
937 * patterns to preserve this feature.
939 if(pattern
& 0x80000000) {
940 pattern
= -pattern
; /* complement & increment */
948 return 0; /* not reached */
955 * mm{.b, .w, .l} {addr}
956 * nm{.b, .w, .l} {addr}
959 mod_mem(cmd_tbl_t
*cmdtp
, int incrflag
, int flag
, int argc
, char * const argv
[])
965 return CMD_RET_USAGE
;
967 #ifdef CONFIG_BOOT_RETRY_TIME
968 reset_cmd_timeout(); /* got a good command to get here */
970 /* We use the last specified parameters, unless new ones are
976 if ((flag
& CMD_FLAG_REPEAT
) == 0) {
977 /* New command specified. Check for a size specification.
978 * Defaults to long if no or incorrect specification.
980 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
983 /* Address is specified since argc > 1
985 addr
= simple_strtoul(argv
[1], NULL
, 16);
986 addr
+= base_address
;
989 #ifdef CONFIG_HAS_DATAFLASH
990 if (addr_dataflash(addr
)){
991 puts ("Can't modify DataFlash in place. Use cp instead.\n\r");
996 #ifdef CONFIG_BLACKFIN
997 if (addr_bfin_on_chip_mem(addr
)) {
998 puts ("Can't modify L1 instruction in place. Use cp instead.\n\r");
1003 /* Print the address, followed by value. Then accept input for
1004 * the next value. A non-converted value exits.
1007 printf("%08lx:", addr
);
1009 printf(" %08x", *((uint
*)addr
));
1011 printf(" %04x", *((ushort
*)addr
));
1013 printf(" %02x", *((u_char
*)addr
));
1015 nbytes
= readline (" ? ");
1016 if (nbytes
== 0 || (nbytes
== 1 && console_buffer
[0] == '-')) {
1017 /* <CR> pressed as only input, don't modify current
1018 * location and move to next. "-" pressed will go back.
1021 addr
+= nbytes
? -size
: size
;
1023 #ifdef CONFIG_BOOT_RETRY_TIME
1024 reset_cmd_timeout(); /* good enough to not time out */
1027 #ifdef CONFIG_BOOT_RETRY_TIME
1028 else if (nbytes
== -2) {
1029 break; /* timed out, exit the command */
1034 i
= simple_strtoul(console_buffer
, &endp
, 16);
1035 nbytes
= endp
- console_buffer
;
1037 #ifdef CONFIG_BOOT_RETRY_TIME
1038 /* good enough to not time out
1040 reset_cmd_timeout();
1043 *((uint
*)addr
) = i
;
1045 *((ushort
*)addr
) = i
;
1047 *((u_char
*)addr
) = i
;
1054 mm_last_addr
= addr
;
1055 mm_last_size
= size
;
1059 #ifdef CONFIG_CMD_CRC32
1061 #ifndef CONFIG_CRC32_VERIFY
1063 static int do_mem_crc(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1070 return CMD_RET_USAGE
;
1072 addr
= simple_strtoul (argv
[1], NULL
, 16);
1073 addr
+= base_address
;
1075 length
= simple_strtoul (argv
[2], NULL
, 16);
1077 crc
= crc32_wd (0, (const uchar
*) addr
, length
, CHUNKSZ_CRC32
);
1079 printf ("CRC32 for %08lx ... %08lx ==> %08lx\n",
1080 addr
, addr
+ length
- 1, crc
);
1083 ptr
= (ulong
*) simple_strtoul (argv
[3], NULL
, 16);
1090 #else /* CONFIG_CRC32_VERIFY */
1092 int do_mem_crc (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1104 return CMD_RET_USAGE
;
1109 if (strcmp(*av
, "-v") == 0) {
1118 addr
= simple_strtoul(*av
++, NULL
, 16);
1119 addr
+= base_address
;
1120 length
= simple_strtoul(*av
++, NULL
, 16);
1122 crc
= crc32_wd (0, (const uchar
*) addr
, length
, CHUNKSZ_CRC32
);
1125 printf ("CRC32 for %08lx ... %08lx ==> %08lx\n",
1126 addr
, addr
+ length
- 1, crc
);
1128 ptr
= (ulong
*) simple_strtoul (*av
++, NULL
, 16);
1132 vcrc
= simple_strtoul(*av
++, NULL
, 16);
1134 printf ("CRC32 for %08lx ... %08lx ==> %08lx != %08lx ** ERROR **\n",
1135 addr
, addr
+ length
- 1, crc
, vcrc
);
1143 #endif /* CONFIG_CRC32_VERIFY */
1147 /**************************************************/
1149 md
, 3, 1, do_mem_md
,
1151 "[.b, .w, .l] address [# of objects]"
1156 mm
, 2, 1, do_mem_mm
,
1157 "memory modify (auto-incrementing address)",
1158 "[.b, .w, .l] address"
1163 nm
, 2, 1, do_mem_nm
,
1164 "memory modify (constant address)",
1165 "[.b, .w, .l] address"
1169 mw
, 4, 1, do_mem_mw
,
1170 "memory write (fill)",
1171 "[.b, .w, .l] address value [count]"
1175 cp
, 4, 1, do_mem_cp
,
1177 "[.b, .w, .l] source target count"
1181 cmp
, 4, 1, do_mem_cmp
,
1183 "[.b, .w, .l] addr1 addr2 count"
1186 #ifdef CONFIG_CMD_CRC32
1188 #ifndef CONFIG_CRC32_VERIFY
1191 crc32
, 4, 1, do_mem_crc
,
1192 "checksum calculation",
1193 "address count [addr]\n - compute CRC32 checksum [save at addr]"
1196 #else /* CONFIG_CRC32_VERIFY */
1199 crc32
, 5, 1, do_mem_crc
,
1200 "checksum calculation",
1201 "address count [addr]\n - compute CRC32 checksum [save at addr]\n"
1202 "-v address count crc\n - verify crc of memory area"
1205 #endif /* CONFIG_CRC32_VERIFY */
1209 #ifdef CONFIG_CMD_MEMINFO
1210 __weak
void board_show_dram(ulong size
)
1213 print_size(size
, "\n");
1216 static int do_mem_info(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
1217 char * const argv
[])
1219 board_show_dram(gd
->ram_size
);
1226 base
, 2, 1, do_mem_base
,
1227 "print or set address offset",
1228 "\n - print address offset for memory commands\n"
1229 "base off\n - set address offset for memory commands to 'off'"
1233 loop
, 3, 1, do_mem_loop
,
1234 "infinite loop on address range",
1235 "[.b, .w, .l] address number_of_objects"
1240 loopw
, 4, 1, do_mem_loopw
,
1241 "infinite write loop on address range",
1242 "[.b, .w, .l] address number_of_objects data_to_write"
1244 #endif /* CONFIG_LOOPW */
1247 mtest
, 5, 1, do_mem_mtest
,
1248 "simple RAM read/write test",
1249 "[start [end [pattern [iterations]]]]"
1252 #ifdef CONFIG_MX_CYCLIC
1254 mdc
, 4, 1, do_mem_mdc
,
1255 "memory display cyclic",
1256 "[.b, .w, .l] address count delay(ms)"
1260 mwc
, 4, 1, do_mem_mwc
,
1261 "memory write cyclic",
1262 "[.b, .w, .l] address value delay(ms)"
1264 #endif /* CONFIG_MX_CYCLIC */
1266 #ifdef CONFIG_CMD_MEMINFO
1268 meminfo
, 3, 1, do_mem_info
,
1269 "display memory information",