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consolidate more jedec standard code

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1457 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo
2004-03-20 16:46:10 +00:00
parent 6a1a1102ea
commit fbf43ac5a6
27 changed files with 762 additions and 695 deletions
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63
util/flash_and_burn/sst28sf040.c
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@@ -36,7 +36,7 @@
#define RESET 0xFF
#define READ_ID 0x90
static __inline__ void protect_28sf040 (volatile char * bios)
static __inline__ void protect_28sf040(volatile char *bios)
{
/* ask compiler not to optimize this */
volatile unsigned char tmp;
@@ -50,7 +50,7 @@ static __inline__ void protect_28sf040 (volatile char * bios)
tmp = *(volatile unsigned char *) (bios + 0x040A);
}
static __inline__ void unprotect_28sf040 (volatile char * bios)
static __inline__ void unprotect_28sf040(volatile char *bios)
{
/* ask compiler not to optimize this */
volatile unsigned char tmp;
@@ -64,7 +64,8 @@ static __inline__ void unprotect_28sf040 (volatile char * bios)
tmp = *(volatile unsigned char *) (bios + 0x041A);
}
static __inline__ int erase_sector_28sf040 (volatile char * bios, unsigned long address)
static __inline__ int erase_sector_28sf040(volatile char *bios,
unsigned long address)
{
*bios = AUTO_PG_ERASE1;
*(bios + address) = AUTO_PG_ERASE2;
@@ -72,11 +73,13 @@ static __inline__ int erase_sector_28sf040 (volatile char * bios, unsigned long
/* wait for Toggle bit ready */
toggle_ready_jedec(bios);
return(0);
return (0);
}
static __inline__ int write_sector_28sf040(volatile char * bios, unsigned char * src,
volatile unsigned char * dst, unsigned int page_size)
static __inline__ int write_sector_28sf040(volatile char *bios,
unsigned char *src,
volatile unsigned char *dst,
unsigned int page_size)
{
int i;
@@ -88,20 +91,20 @@ static __inline__ int write_sector_28sf040(volatile char * bios, unsigned char *
continue;
}
/*issue AUTO PROGRAM command */
*dst = AUTO_PGRM;
*dst = AUTO_PGRM;
*dst++ = *src++;
/* wait for Toggle bit ready */
toggle_ready_jedec(bios);
}
return(0);
return (0);
}
int probe_28sf040 (struct flashchip * flash)
int probe_28sf040(struct flashchip *flash)
{
volatile char * bios = flash->virt_addr;
unsigned char id1, id2, tmp;
volatile char *bios = flash->virt_addr;
unsigned char id1, id2, tmp;
/* save the value at the beginning of the Flash */
tmp = *bios;
@@ -118,7 +121,7 @@ int probe_28sf040 (struct flashchip * flash)
*bios = RESET;
myusec_delay(10);
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__ , id1, id2);
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 == flash->manufacture_id && id2 == flash->model_id)
return 1;
@@ -127,43 +130,45 @@ int probe_28sf040 (struct flashchip * flash)
return 0;
}
int erase_28sf040 (struct flashchip * flash)
int erase_28sf040(struct flashchip *flash)
{
volatile char * bios = flash->virt_addr;
volatile char *bios = flash->virt_addr;
unprotect_28sf040 (bios);
unprotect_28sf040(bios);
*bios = CHIP_ERASE;
*bios = CHIP_ERASE;
protect_28sf040 (bios);
protect_28sf040(bios);
myusec_delay(10);
toggle_ready_jedec(bios);
return(0);
return (0);
}
int write_28sf040 (struct flashchip * flash, unsigned char * buf)
int write_28sf040(struct flashchip *flash, unsigned char *buf)
{
int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size;
volatile char * bios = flash->virt_addr;
int total_size = flash->total_size * 1024, page_size =
flash->page_size;
volatile char *bios = flash->virt_addr;
unprotect_28sf040 (bios);
unprotect_28sf040(bios);
printf ("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) {
printf("Programming Page: ");
for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */
erase_sector_28sf040(bios, i * page_size);
/* write to the sector */
printf ("%04d at address: 0x%08x", i, i * page_size);
write_sector_28sf040(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");
printf("%04d at address: 0x%08x", i, i * page_size);
write_sector_28sf040(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");
}
printf("\n");
protect_28sf040 (bios);
protect_28sf040(bios);
return(0);
return (0);
}