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Merge branch 'master' of git://www.denx.de/git/u-boot-cfi-flash

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Tom Rini 2013-04-22 09:12:16 -04:00
commit 500bccf844
2 changed files with 20 additions and 0 deletions
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9
README
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@ -3248,6 +3248,15 @@ Configuration Settings:
digits and dots. Recommended value: 45 (9..1) for 80
column displays, 15 (3..1) for 40 column displays.
- CONFIG_FLASH_VERIFY
If defined, the content of the flash (destination) is compared
against the source after the write operation. An error message
will be printed when the contents are not identical.
Please note that this option is useless in nearly all cases,
since such flash programming errors usually are detected earlier
while unprotecting/erasing/programming. Please only enable
this option if you really know what you are doing.
- CONFIG_SYS_RX_ETH_BUFFER:
Defines the number of Ethernet receive buffers. On some
Ethernet controllers it is recommended to set this value

11
common/flash.c
View file

@ -149,6 +149,9 @@ flash_write (char *src, ulong addr, ulong cnt)
flash_info_t *info_first = addr2info (addr);
flash_info_t *info_last = addr2info (end );
flash_info_t *info;
__maybe_unused char *src_orig = src;
__maybe_unused char *addr_orig = (char *)addr;
__maybe_unused ulong cnt_orig = cnt;
if (cnt == 0) {
return (ERR_OK);
@ -185,6 +188,14 @@ flash_write (char *src, ulong addr, ulong cnt)
addr += len;
src += len;
}
#if defined(CONFIG_FLASH_VERIFY)
if (memcmp(src_orig, addr_orig, cnt_orig)) {
printf("\nVerify failed!\n");
return ERR_PROG_ERROR;
}
#endif /* CONFIG_SYS_FLASH_VERIFY_AFTER_WRITE */
return (ERR_OK);
#endif /* CONFIG_SPD823TS */
}