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removed false alarm of erase/write, use verify '-v' if you are not sure about the integrity

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1486 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo
2004-03-27 00:18:15 +00:00
parent 4cd79f3f86
commit 39daaac582
8 changed files with 77 additions and 138 deletions
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44
util/flash_and_burn/pm49fl004.c
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@@ -55,43 +55,6 @@ static __inline__ int erase_block_49fl004(volatile unsigned char *bios,
return (0);
}
static __inline__ int write_block_49fl004(volatile char *bios,
unsigned char *src,
volatile unsigned char *dst,
unsigned int page_size)
{
int i;
volatile char *Temp;
for (i = 0; i < page_size; i++) {
if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x\n", dst,
*dst);
return (-1);
}
/* transfer data from source to destination */
if (*src == 0xFF) {
dst++, src++;
/* If the data is 0xFF, don't program it */
continue;
}
Temp = (bios + 0x5555);
*Temp = 0xAA;
Temp = bios + 0x2AAA;
*Temp = 0x55;
Temp = bios + 0x5555;
*Temp = 0xA0;
*dst = *src;
toggle_ready_jedec(bios);
if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long) dst, *dst, *src);
dst++, src++;
}
return (0);
}
int write_49fl004(struct flashchip *flash, unsigned char *buf)
{
int i;
@@ -106,10 +69,9 @@ int write_49fl004(struct flashchip *flash, unsigned char *buf)
/* write to the sector */
printf("%04d at address: 0x%08x", i, i * page_size);
write_block_49fl004(bios, buf + i * page_size,
bios + i * page_size, page_size);
printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
write_sector_jedec(bios, buf + i * page_size,
bios + i * page_size, page_size);
printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
}
printf("\n");