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removed unused code in pm49fl004, remove experimental delay in sst49lf040 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1436 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo 2004-03-18 20:31:54 +00:00
parent df273a58a3
commit 6f485e6849
2 changed files with 1 additions and 37 deletions
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34
util/flash_and_burn/pm49fl004.c
View File

@ -31,34 +31,6 @@
#define RESET 0xFF
#define READ_ID 0x90
static __inline__ void protect_49fl004 (volatile char * bios)
{
/* ask compiler not to optimize this */
volatile unsigned char tmp;
tmp = *(volatile unsigned char *) (bios + 0x1823);
tmp = *(volatile unsigned char *) (bios + 0x1820);
tmp = *(volatile unsigned char *) (bios + 0x1822);
tmp = *(volatile unsigned char *) (bios + 0x0418);
tmp = *(volatile unsigned char *) (bios + 0x041B);
tmp = *(volatile unsigned char *) (bios + 0x0419);
tmp = *(volatile unsigned char *) (bios + 0x040A);
}
static __inline__ void unprotect_49fl004 (volatile char * bios)
{
/* ask compiler not to optimize this */
volatile unsigned char tmp;
tmp = *(volatile unsigned char *) (bios + 0x1823);
tmp = *(volatile unsigned char *) (bios + 0x1820);
tmp = *(volatile unsigned char *) (bios + 0x1822);
tmp = *(volatile unsigned char *) (bios + 0x0418);
tmp = *(volatile unsigned char *) (bios + 0x041B);
tmp = *(volatile unsigned char *) (bios + 0x0419);
tmp = *(volatile unsigned char *) (bios + 0x041A);
}
static __inline__ int erase_block_49fl004 ( volatile unsigned char * bios ,unsigned long address)
{
volatile unsigned char *Temp;
@ -188,8 +160,6 @@ int write_49fl004 (struct flashchip * flash, unsigned char * buf)
int total_size = flash->total_size * 1024, page_size = flash->page_size;
volatile char * bios = flash->virt_addr;
// unprotect_49fl004 (bios);
// erase_49fl004(flash);
printf ("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) {
/* erase the page before programming */
@ -198,13 +168,11 @@ 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);
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");
// protect_49fl004 (bios);
return(0);
}

4
util/flash_and_burn/sst49lf040.c
View File

@ -61,11 +61,9 @@ static int erase_sector_49lf040 (volatile char * bios, unsigned int page)
myusec_delay(10);
Temp = bios + page; /* set up address to be the current sector */
*Temp = 0x30; /* write data 0x30 to the address */
myusec_delay(50000);
/* wait for Toggle bit ready */
toggle_ready_jedec(bios);
myusec_delay(25000);
return(0);
}
@ -97,8 +95,6 @@ static __inline__ int write_sector_49lf040(volatile char * bios,
*Temp = 0xA0;
*dst = *src;
toggle_ready_jedec(bios);
data_polling_jedec(dst, *src);
if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long)dst, *dst, *src);