]>
git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_mem.c
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 #if defined(CONFIG_CMD_MMC)
35 #ifdef CONFIG_HAS_DATAFLASH
36 #include <dataflash.h>
39 #if defined(CONFIG_CMD_MEMORY) \
40 || defined(CONFIG_CMD_I2C) \
41 || defined(CONFIG_CMD_ITEST) \
42 || defined(CONFIG_CMD_PCI) \
43 || defined(CONFIG_CMD_PORTIO)
45 int cmd_get_data_size(char* arg
, int default_size
)
47 /* Check for a size specification .b, .w or .l.
49 int len
= strlen(arg
);
50 if (len
> 2 && arg
[len
-2] == '.') {
68 #if defined(CONFIG_CMD_MEMORY)
71 #define PRINTF(fmt,args...) printf (fmt ,##args)
73 #define PRINTF(fmt,args...)
76 static int mod_mem(cmd_tbl_t
*, int, int, int, char *[]);
78 /* Display values from last command.
79 * Memory modify remembered values are different from display memory.
81 uint dp_last_addr
, dp_last_size
;
82 uint dp_last_length
= 0x40;
83 uint mm_last_addr
, mm_last_size
;
85 static ulong base_address
= 0;
90 * md{.b, .w, .l} {addr} {len}
92 #define DISP_LINE_LEN 16
93 int do_mem_md ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
96 #if defined(CONFIG_HAS_DATAFLASH)
97 ulong nbytes
, linebytes
;
102 /* We use the last specified parameters, unless new ones are
107 length
= dp_last_length
;
110 printf ("Usage:\n%s\n", cmdtp
->usage
);
114 if ((flag
& CMD_FLAG_REPEAT
) == 0) {
115 /* New command specified. Check for a size specification.
116 * Defaults to long if no or incorrect specification.
118 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
121 /* Address is specified since argc > 1
123 addr
= simple_strtoul(argv
[1], NULL
, 16);
124 addr
+= base_address
;
126 /* If another parameter, it is the length to display.
127 * Length is the number of objects, not number of bytes.
130 length
= simple_strtoul(argv
[2], NULL
, 16);
133 #if defined(CONFIG_HAS_DATAFLASH)
136 * We buffer all read data, so we can make sure data is read only
137 * once, and all accesses are with the specified bus width.
139 nbytes
= length
* size
;
141 char linebuf
[DISP_LINE_LEN
];
143 linebytes
= (nbytes
>DISP_LINE_LEN
)?DISP_LINE_LEN
:nbytes
;
145 rc
= read_dataflash(addr
, (linebytes
/size
)*size
, linebuf
);
146 p
= (rc
== DATAFLASH_OK
) ? linebuf
: (void*)addr
;
147 print_buffer(addr
, p
, size
, linebytes
/size
, DISP_LINE_LEN
/size
);
155 } while (nbytes
> 0);
158 # if defined(CONFIG_BLACKFIN)
159 /* See if we're trying to display L1 inst */
160 if (addr_bfin_on_chip_mem(addr
)) {
161 char linebuf
[DISP_LINE_LEN
];
162 ulong linebytes
, nbytes
= length
* size
;
164 linebytes
= (nbytes
> DISP_LINE_LEN
) ? DISP_LINE_LEN
: nbytes
;
165 memcpy(linebuf
, (void *)addr
, linebytes
);
166 print_buffer(addr
, linebuf
, size
, linebytes
/size
, DISP_LINE_LEN
/size
);
174 } while (nbytes
> 0);
179 /* Print the lines. */
180 print_buffer(addr
, (void*)addr
, size
, length
, DISP_LINE_LEN
/size
);
186 dp_last_length
= length
;
191 int do_mem_mm ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
193 return mod_mem (cmdtp
, 1, flag
, argc
, argv
);
195 int do_mem_nm ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
197 return mod_mem (cmdtp
, 0, flag
, argc
, argv
);
200 int do_mem_mw ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
202 ulong addr
, writeval
, count
;
205 if ((argc
< 3) || (argc
> 4)) {
206 printf ("Usage:\n%s\n", cmdtp
->usage
);
210 /* Check for size specification.
212 if ((size
= cmd_get_data_size(argv
[0], 4)) < 1)
215 /* Address is specified since argc > 1
217 addr
= simple_strtoul(argv
[1], NULL
, 16);
218 addr
+= base_address
;
220 /* Get the value to write.
222 writeval
= simple_strtoul(argv
[2], NULL
, 16);
226 count
= simple_strtoul(argv
[3], NULL
, 16);
231 while (count
-- > 0) {
233 *((ulong
*)addr
) = (ulong
)writeval
;
235 *((ushort
*)addr
) = (ushort
)writeval
;
237 *((u_char
*)addr
) = (u_char
)writeval
;
243 #ifdef CONFIG_MX_CYCLIC
244 int do_mem_mdc ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
250 printf ("Usage:\n%s\n", cmdtp
->usage
);
254 count
= simple_strtoul(argv
[3], NULL
, 10);
257 do_mem_md (NULL
, 0, 3, argv
);
259 /* delay for <count> ms... */
260 for (i
=0; i
<count
; i
++)
263 /* check for ctrl-c to abort... */
273 int do_mem_mwc ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
279 printf ("Usage:\n%s\n", cmdtp
->usage
);
283 count
= simple_strtoul(argv
[3], NULL
, 10);
286 do_mem_mw (NULL
, 0, 3, argv
);
288 /* delay for <count> ms... */
289 for (i
=0; i
<count
; i
++)
292 /* check for ctrl-c to abort... */
301 #endif /* CONFIG_MX_CYCLIC */
303 int do_mem_cmp (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
305 ulong addr1
, addr2
, count
, ngood
;
310 printf ("Usage:\n%s\n", cmdtp
->usage
);
314 /* Check for size specification.
316 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
319 addr1
= simple_strtoul(argv
[1], NULL
, 16);
320 addr1
+= base_address
;
322 addr2
= simple_strtoul(argv
[2], NULL
, 16);
323 addr2
+= base_address
;
325 count
= simple_strtoul(argv
[3], NULL
, 16);
327 #ifdef CONFIG_HAS_DATAFLASH
328 if (addr_dataflash(addr1
) | addr_dataflash(addr2
)){
329 puts ("Comparison with DataFlash space not supported.\n\r");
334 #ifdef CONFIG_BLACKFIN
335 if (addr_bfin_on_chip_mem(addr1
) || addr_bfin_on_chip_mem(addr2
)) {
336 puts ("Comparison with L1 instruction memory not supported.\n\r");
343 while (count
-- > 0) {
345 ulong word1
= *(ulong
*)addr1
;
346 ulong word2
= *(ulong
*)addr2
;
347 if (word1
!= word2
) {
348 printf("word at 0x%08lx (0x%08lx) "
349 "!= word at 0x%08lx (0x%08lx)\n",
350 addr1
, word1
, addr2
, word2
);
355 else if (size
== 2) {
356 ushort hword1
= *(ushort
*)addr1
;
357 ushort hword2
= *(ushort
*)addr2
;
358 if (hword1
!= hword2
) {
359 printf("halfword at 0x%08lx (0x%04x) "
360 "!= halfword at 0x%08lx (0x%04x)\n",
361 addr1
, hword1
, addr2
, hword2
);
367 u_char byte1
= *(u_char
*)addr1
;
368 u_char byte2
= *(u_char
*)addr2
;
369 if (byte1
!= byte2
) {
370 printf("byte at 0x%08lx (0x%02x) "
371 "!= byte at 0x%08lx (0x%02x)\n",
372 addr1
, byte1
, addr2
, byte2
);
382 printf("Total of %ld %s%s were the same\n",
383 ngood
, size
== 4 ? "word" : size
== 2 ? "halfword" : "byte",
384 ngood
== 1 ? "" : "s");
388 int do_mem_cp ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
390 ulong addr
, dest
, count
;
394 printf ("Usage:\n%s\n", cmdtp
->usage
);
398 /* Check for size specification.
400 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
403 addr
= simple_strtoul(argv
[1], NULL
, 16);
404 addr
+= base_address
;
406 dest
= simple_strtoul(argv
[2], NULL
, 16);
407 dest
+= base_address
;
409 count
= simple_strtoul(argv
[3], NULL
, 16);
412 puts ("Zero length ???\n");
417 /* check if we are copying to Flash */
418 if ( (addr2info(dest
) != NULL
)
419 #ifdef CONFIG_HAS_DATAFLASH
420 && (!addr_dataflash(dest
))
425 puts ("Copy to Flash... ");
427 rc
= flash_write ((char *)addr
, dest
, count
*size
);
437 #if defined(CONFIG_CMD_MMC)
438 if (mmc2info(dest
)) {
441 puts ("Copy to MMC... ");
442 switch (rc
= mmc_write ((uchar
*)addr
, dest
, count
*size
)) {
450 printf ("%s[%d] FIXME: rc=%d\n",__FILE__
,__LINE__
,rc
);
457 if (mmc2info(addr
)) {
460 puts ("Copy from MMC... ");
461 switch (rc
= mmc_read (addr
, (uchar
*)dest
, count
*size
)) {
469 printf ("%s[%d] FIXME: rc=%d\n",__FILE__
,__LINE__
,rc
);
477 #ifdef CONFIG_HAS_DATAFLASH
478 /* Check if we are copying from RAM or Flash to DataFlash */
479 if (addr_dataflash(dest
) && !addr_dataflash(addr
)){
482 puts ("Copy to DataFlash... ");
484 rc
= write_dataflash (dest
, addr
, count
*size
);
487 dataflash_perror (rc
);
494 /* Check if we are copying from DataFlash to RAM */
495 if (addr_dataflash(addr
) && !addr_dataflash(dest
) && (addr2info(dest
)==NULL
) ){
497 rc
= read_dataflash(addr
, count
* size
, (char *) dest
);
499 dataflash_perror (rc
);
505 if (addr_dataflash(addr
) && addr_dataflash(dest
)){
506 puts ("Unsupported combination of source/destination.\n\r");
511 #ifdef CONFIG_BLACKFIN
512 /* See if we're copying to/from L1 inst */
513 if (addr_bfin_on_chip_mem(dest
) || addr_bfin_on_chip_mem(addr
)) {
514 memcpy((void *)dest
, (void *)addr
, count
* size
);
519 while (count
-- > 0) {
521 *((ulong
*)dest
) = *((ulong
*)addr
);
523 *((ushort
*)dest
) = *((ushort
*)addr
);
525 *((u_char
*)dest
) = *((u_char
*)addr
);
532 int do_mem_base (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
535 /* Set new base address.
537 base_address
= simple_strtoul(argv
[1], NULL
, 16);
539 /* Print the current base address.
541 printf("Base Address: 0x%08lx\n", base_address
);
545 int do_mem_loop (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
547 ulong addr
, length
, i
, junk
;
549 volatile uint
*longp
;
550 volatile ushort
*shortp
;
554 printf ("Usage:\n%s\n", cmdtp
->usage
);
558 /* Check for a size spefication.
559 * Defaults to long if no or incorrect specification.
561 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
564 /* Address is always specified.
566 addr
= simple_strtoul(argv
[1], NULL
, 16);
568 /* Length is the number of objects, not number of bytes.
570 length
= simple_strtoul(argv
[2], NULL
, 16);
572 /* We want to optimize the loops to run as fast as possible.
573 * If we have only one object, just run infinite loops.
577 longp
= (uint
*)addr
;
582 shortp
= (ushort
*)addr
;
593 longp
= (uint
*)addr
;
601 shortp
= (ushort
*)addr
;
616 int do_mem_loopw (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
618 ulong addr
, length
, i
, data
;
620 volatile uint
*longp
;
621 volatile ushort
*shortp
;
625 printf ("Usage:\n%s\n", cmdtp
->usage
);
629 /* Check for a size spefication.
630 * Defaults to long if no or incorrect specification.
632 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
635 /* Address is always specified.
637 addr
= simple_strtoul(argv
[1], NULL
, 16);
639 /* Length is the number of objects, not number of bytes.
641 length
= simple_strtoul(argv
[2], NULL
, 16);
644 data
= simple_strtoul(argv
[3], NULL
, 16);
646 /* We want to optimize the loops to run as fast as possible.
647 * If we have only one object, just run infinite loops.
651 longp
= (uint
*)addr
;
656 shortp
= (ushort
*)addr
;
667 longp
= (uint
*)addr
;
675 shortp
= (ushort
*)addr
;
688 #endif /* CONFIG_LOOPW */
691 * Perform a memory test. A more complete alternative test can be
692 * configured using CFG_ALT_MEMTEST. The complete test loops until
693 * interrupted by ctrl-c or by a failure of one of the sub-tests.
695 int do_mem_mtest (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
697 vu_long
*addr
, *start
, *end
;
702 #if defined(CFG_ALT_MEMTEST)
708 vu_long anti_pattern
;
710 #if defined(CFG_MEMTEST_SCRATCH)
711 vu_long
*dummy
= (vu_long
*)CFG_MEMTEST_SCRATCH
;
713 vu_long
*dummy
= 0; /* yes, this is address 0x0, not NULL */
718 static const ulong bitpattern
[] = {
719 0x00000001, /* single bit */
720 0x00000003, /* two adjacent bits */
721 0x00000007, /* three adjacent bits */
722 0x0000000F, /* four adjacent bits */
723 0x00000005, /* two non-adjacent bits */
724 0x00000015, /* three non-adjacent bits */
725 0x00000055, /* four non-adjacent bits */
726 0xaaaaaaaa, /* alternating 1/0 */
734 start
= (ulong
*)simple_strtoul(argv
[1], NULL
, 16);
736 start
= (ulong
*)CFG_MEMTEST_START
;
740 end
= (ulong
*)simple_strtoul(argv
[2], NULL
, 16);
742 end
= (ulong
*)(CFG_MEMTEST_END
);
746 pattern
= (ulong
)simple_strtoul(argv
[3], NULL
, 16);
751 #if defined(CFG_ALT_MEMTEST)
752 printf ("Testing %08x ... %08x:\n", (uint
)start
, (uint
)end
);
753 PRINTF("%s:%d: start 0x%p end 0x%p\n",
754 __FUNCTION__
, __LINE__
, start
, end
);
762 printf("Iteration: %6d\r", iterations
);
763 PRINTF("Iteration: %6d\n", iterations
);
767 * Data line test: write a pattern to the first
768 * location, write the 1's complement to a 'parking'
769 * address (changes the state of the data bus so a
770 * floating bus doen't give a false OK), and then
771 * read the value back. Note that we read it back
772 * into a variable because the next time we read it,
773 * it might be right (been there, tough to explain to
774 * the quality guys why it prints a failure when the
775 * "is" and "should be" are obviously the same in the
778 * Rather than exhaustively testing, we test some
779 * patterns by shifting '1' bits through a field of
780 * '0's and '0' bits through a field of '1's (i.e.
781 * pattern and ~pattern).
784 for (j
= 0; j
< sizeof(bitpattern
)/sizeof(bitpattern
[0]); j
++) {
786 for(; val
!= 0; val
<<= 1) {
788 *dummy
= ~val
; /* clear the test data off of the bus */
790 if(readback
!= val
) {
791 printf ("FAILURE (data line): "
792 "expected %08lx, actual %08lx\n",
798 if(readback
!= ~val
) {
799 printf ("FAILURE (data line): "
800 "Is %08lx, should be %08lx\n",
807 * Based on code whose Original Author and Copyright
808 * information follows: Copyright (c) 1998 by Michael
809 * Barr. This software is placed into the public
810 * domain and may be used for any purpose. However,
811 * this notice must not be changed or removed and no
812 * warranty is either expressed or implied by its
813 * publication or distribution.
819 * Description: Test the address bus wiring in a
820 * memory region by performing a walking
821 * 1's test on the relevant bits of the
822 * address and checking for aliasing.
823 * This test will find single-bit
824 * address failures such as stuck -high,
825 * stuck-low, and shorted pins. The base
826 * address and size of the region are
827 * selected by the caller.
829 * Notes: For best results, the selected base
830 * address should have enough LSB 0's to
831 * guarantee single address bit changes.
832 * For example, to test a 64-Kbyte
833 * region, select a base address on a
834 * 64-Kbyte boundary. Also, select the
835 * region size as a power-of-two if at
838 * Returns: 0 if the test succeeds, 1 if the test fails.
840 len
= ((ulong
)end
- (ulong
)start
)/sizeof(vu_long
);
841 pattern
= (vu_long
) 0xaaaaaaaa;
842 anti_pattern
= (vu_long
) 0x55555555;
844 PRINTF("%s:%d: length = 0x%.8lx\n",
845 __FUNCTION__
, __LINE__
,
848 * Write the default pattern at each of the
849 * power-of-two offsets.
851 for (offset
= 1; offset
< len
; offset
<<= 1) {
852 start
[offset
] = pattern
;
856 * Check for address bits stuck high.
859 start
[test_offset
] = anti_pattern
;
861 for (offset
= 1; offset
< len
; offset
<<= 1) {
862 temp
= start
[offset
];
863 if (temp
!= pattern
) {
864 printf ("\nFAILURE: Address bit stuck high @ 0x%.8lx:"
865 " expected 0x%.8lx, actual 0x%.8lx\n",
866 (ulong
)&start
[offset
], pattern
, temp
);
870 start
[test_offset
] = pattern
;
873 * Check for addr bits stuck low or shorted.
875 for (test_offset
= 1; test_offset
< len
; test_offset
<<= 1) {
876 start
[test_offset
] = anti_pattern
;
878 for (offset
= 1; offset
< len
; offset
<<= 1) {
879 temp
= start
[offset
];
880 if ((temp
!= pattern
) && (offset
!= test_offset
)) {
881 printf ("\nFAILURE: Address bit stuck low or shorted @"
882 " 0x%.8lx: expected 0x%.8lx, actual 0x%.8lx\n",
883 (ulong
)&start
[offset
], pattern
, temp
);
887 start
[test_offset
] = pattern
;
891 * Description: Test the integrity of a physical
892 * memory device by performing an
893 * increment/decrement test over the
894 * entire region. In the process every
895 * storage bit in the device is tested
896 * as a zero and a one. The base address
897 * and the size of the region are
898 * selected by the caller.
900 * Returns: 0 if the test succeeds, 1 if the test fails.
902 num_words
= ((ulong
)end
- (ulong
)start
)/sizeof(vu_long
) + 1;
905 * Fill memory with a known pattern.
907 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
908 start
[offset
] = pattern
;
912 * Check each location and invert it for the second pass.
914 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
915 temp
= start
[offset
];
916 if (temp
!= pattern
) {
917 printf ("\nFAILURE (read/write) @ 0x%.8lx:"
918 " expected 0x%.8lx, actual 0x%.8lx)\n",
919 (ulong
)&start
[offset
], pattern
, temp
);
923 anti_pattern
= ~pattern
;
924 start
[offset
] = anti_pattern
;
928 * Check each location for the inverted pattern and zero it.
930 for (pattern
= 1, offset
= 0; offset
< num_words
; pattern
++, offset
++) {
931 anti_pattern
= ~pattern
;
932 temp
= start
[offset
];
933 if (temp
!= anti_pattern
) {
934 printf ("\nFAILURE (read/write): @ 0x%.8lx:"
935 " expected 0x%.8lx, actual 0x%.8lx)\n",
936 (ulong
)&start
[offset
], anti_pattern
, temp
);
943 #else /* The original, quickie test */
951 printf ("\rPattern %08lX Writing..."
953 "\b\b\b\b\b\b\b\b\b\b",
956 for (addr
=start
,val
=pattern
; addr
<end
; addr
++) {
963 for (addr
=start
,val
=pattern
; addr
<end
; addr
++) {
965 if (readback
!= val
) {
966 printf ("\nMem error @ 0x%08X: "
967 "found %08lX, expected %08lX\n",
968 (uint
)addr
, readback
, val
);
975 * Flip the pattern each time to make lots of zeros and
976 * then, the next time, lots of ones. We decrement
977 * the "negative" patterns and increment the "positive"
978 * patterns to preserve this feature.
980 if(pattern
& 0x80000000) {
981 pattern
= -pattern
; /* complement & increment */
996 * mm{.b, .w, .l} {addr}
997 * nm{.b, .w, .l} {addr}
1000 mod_mem(cmd_tbl_t
*cmdtp
, int incrflag
, int flag
, int argc
, char *argv
[])
1004 extern char console_buffer
[];
1007 printf ("Usage:\n%s\n", cmdtp
->usage
);
1011 #ifdef CONFIG_BOOT_RETRY_TIME
1012 reset_cmd_timeout(); /* got a good command to get here */
1014 /* We use the last specified parameters, unless new ones are
1017 addr
= mm_last_addr
;
1018 size
= mm_last_size
;
1020 if ((flag
& CMD_FLAG_REPEAT
) == 0) {
1021 /* New command specified. Check for a size specification.
1022 * Defaults to long if no or incorrect specification.
1024 if ((size
= cmd_get_data_size(argv
[0], 4)) < 0)
1027 /* Address is specified since argc > 1
1029 addr
= simple_strtoul(argv
[1], NULL
, 16);
1030 addr
+= base_address
;
1033 #ifdef CONFIG_HAS_DATAFLASH
1034 if (addr_dataflash(addr
)){
1035 puts ("Can't modify DataFlash in place. Use cp instead.\n\r");
1040 #ifdef CONFIG_BLACKFIN
1041 if (addr_bfin_on_chip_mem(addr
)) {
1042 puts ("Can't modify L1 instruction in place. Use cp instead.\n\r");
1047 /* Print the address, followed by value. Then accept input for
1048 * the next value. A non-converted value exits.
1051 printf("%08lx:", addr
);
1053 printf(" %08x", *((uint
*)addr
));
1055 printf(" %04x", *((ushort
*)addr
));
1057 printf(" %02x", *((u_char
*)addr
));
1059 nbytes
= readline (" ? ");
1060 if (nbytes
== 0 || (nbytes
== 1 && console_buffer
[0] == '-')) {
1061 /* <CR> pressed as only input, don't modify current
1062 * location and move to next. "-" pressed will go back.
1065 addr
+= nbytes
? -size
: size
;
1067 #ifdef CONFIG_BOOT_RETRY_TIME
1068 reset_cmd_timeout(); /* good enough to not time out */
1071 #ifdef CONFIG_BOOT_RETRY_TIME
1072 else if (nbytes
== -2) {
1073 break; /* timed out, exit the command */
1078 i
= simple_strtoul(console_buffer
, &endp
, 16);
1079 nbytes
= endp
- console_buffer
;
1081 #ifdef CONFIG_BOOT_RETRY_TIME
1082 /* good enough to not time out
1084 reset_cmd_timeout();
1087 *((uint
*)addr
) = i
;
1089 *((ushort
*)addr
) = i
;
1091 *((u_char
*)addr
) = i
;
1098 mm_last_addr
= addr
;
1099 mm_last_size
= size
;
1103 #ifndef CONFIG_CRC32_VERIFY
1105 int do_mem_crc (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1112 printf ("Usage:\n%s\n", cmdtp
->usage
);
1116 addr
= simple_strtoul (argv
[1], NULL
, 16);
1117 addr
+= base_address
;
1119 length
= simple_strtoul (argv
[2], NULL
, 16);
1121 crc
= crc32 (0, (const uchar
*) addr
, length
);
1123 printf ("CRC32 for %08lx ... %08lx ==> %08lx\n",
1124 addr
, addr
+ length
- 1, crc
);
1127 ptr
= (ulong
*) simple_strtoul (argv
[3], NULL
, 16);
1134 #else /* CONFIG_CRC32_VERIFY */
1136 int do_mem_crc (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1148 printf ("Usage:\n%s\n", cmdtp
->usage
);
1154 if (strcmp(*av
, "-v") == 0) {
1163 addr
= simple_strtoul(*av
++, NULL
, 16);
1164 addr
+= base_address
;
1165 length
= simple_strtoul(*av
++, NULL
, 16);
1167 crc
= crc32(0, (const uchar
*) addr
, length
);
1170 printf ("CRC32 for %08lx ... %08lx ==> %08lx\n",
1171 addr
, addr
+ length
- 1, crc
);
1173 ptr
= (ulong
*) simple_strtoul (*av
++, NULL
, 16);
1177 vcrc
= simple_strtoul(*av
++, NULL
, 16);
1179 printf ("CRC32 for %08lx ... %08lx ==> %08lx != %08lx ** ERROR **\n",
1180 addr
, addr
+ length
- 1, crc
, vcrc
);
1188 #endif /* CONFIG_CRC32_VERIFY */
1190 /**************************************************/
1191 #if defined(CONFIG_CMD_MEMORY)
1193 md
, 3, 1, do_mem_md
,
1194 "md - memory display\n",
1195 "[.b, .w, .l] address [# of objects]\n - memory display\n"
1200 mm
, 2, 1, do_mem_mm
,
1201 "mm - memory modify (auto-incrementing)\n",
1202 "[.b, .w, .l] address\n" " - memory modify, auto increment address\n"
1207 nm
, 2, 1, do_mem_nm
,
1208 "nm - memory modify (constant address)\n",
1209 "[.b, .w, .l] address\n - memory modify, read and keep address\n"
1213 mw
, 4, 1, do_mem_mw
,
1214 "mw - memory write (fill)\n",
1215 "[.b, .w, .l] address value [count]\n - write memory\n"
1219 cp
, 4, 1, do_mem_cp
,
1220 "cp - memory copy\n",
1221 "[.b, .w, .l] source target count\n - copy memory\n"
1225 cmp
, 4, 1, do_mem_cmp
,
1226 "cmp - memory compare\n",
1227 "[.b, .w, .l] addr1 addr2 count\n - compare memory\n"
1230 #ifndef CONFIG_CRC32_VERIFY
1233 crc32
, 4, 1, do_mem_crc
,
1234 "crc32 - checksum calculation\n",
1235 "address count [addr]\n - compute CRC32 checksum [save at addr]\n"
1238 #else /* CONFIG_CRC32_VERIFY */
1241 crc32
, 5, 1, do_mem_crc
,
1242 "crc32 - checksum calculation\n",
1243 "address count [addr]\n - compute CRC32 checksum [save at addr]\n"
1244 "-v address count crc\n - verify crc of memory area\n"
1247 #endif /* CONFIG_CRC32_VERIFY */
1250 base
, 2, 1, do_mem_base
,
1251 "base - print or set address offset\n",
1252 "\n - print address offset for memory commands\n"
1253 "base off\n - set address offset for memory commands to 'off'\n"
1257 loop
, 3, 1, do_mem_loop
,
1258 "loop - infinite loop on address range\n",
1259 "[.b, .w, .l] address number_of_objects\n"
1260 " - loop on a set of addresses\n"
1265 loopw
, 4, 1, do_mem_loopw
,
1266 "loopw - infinite write loop on address range\n",
1267 "[.b, .w, .l] address number_of_objects data_to_write\n"
1268 " - loop on a set of addresses\n"
1270 #endif /* CONFIG_LOOPW */
1273 mtest
, 4, 1, do_mem_mtest
,
1274 "mtest - simple RAM test\n",
1275 "[start [end [pattern]]]\n"
1276 " - simple RAM read/write test\n"
1279 #ifdef CONFIG_MX_CYCLIC
1281 mdc
, 4, 1, do_mem_mdc
,
1282 "mdc - memory display cyclic\n",
1283 "[.b, .w, .l] address count delay(ms)\n - memory display cyclic\n"
1287 mwc
, 4, 1, do_mem_mwc
,
1288 "mwc - memory write cyclic\n",
1289 "[.b, .w, .l] address value delay(ms)\n - memory write cyclic\n"
1291 #endif /* CONFIG_MX_CYCLIC */