GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
util/flash_and_burn/pm49fl004.c
View File

@ -31,34 +31,6 @@
#define RESET 0xFF #define RESET 0xFF
#define READ_ID 0x90 #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) static __inline__ int erase_block_49fl004 ( volatile unsigned char * bios ,unsigned long address)
{ {
volatile unsigned char *Temp; 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; int total_size = flash->total_size * 1024, page_size = flash->page_size;
volatile char * bios = flash->virt_addr; volatile char * bios = flash->virt_addr;
// unprotect_49fl004 (bios);
// erase_49fl004(flash);
printf ("Programming Page: "); printf ("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) { for (i = 0; i < total_size/page_size; i++) {
/* erase the page before programming */ /* erase the page before programming */
@ -198,13 +168,11 @@ int write_49fl004 (struct flashchip * flash, unsigned char * buf)
/* write to the sector */ /* write to the sector */
printf ("%04d at address: 0x%08x", i, i * page_size); printf ("%04d at address: 0x%08x", i, i * page_size);
write_block_49fl004(bios, buf + i * page_size, bios + 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"); 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); fflush(stdout);
} }
printf("\n"); printf("\n");
// protect_49fl004 (bios);
return(0); 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); myusec_delay(10);
Temp = bios + page; /* set up address to be the current sector */ Temp = bios + page; /* set up address to be the current sector */
*Temp = 0x30; /* write data 0x30 to the address */ *Temp = 0x30; /* write data 0x30 to the address */
myusec_delay(50000);
/* wait for Toggle bit ready */ /* wait for Toggle bit ready */
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
myusec_delay(25000);
return(0); return(0);
} }
@ -97,8 +95,6 @@ static __inline__ int write_sector_49lf040(volatile char * bios,
*Temp = 0xA0; *Temp = 0xA0;
*dst = *src; *dst = *src;
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
data_polling_jedec(dst, *src);
if (*dst != *src) if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n", printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long)dst, *dst, *src); (unsigned long)dst, *dst, *src);