openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-01 06:01:16 +02:00
Code Issues Releases Wiki Activity

Factor out register mapping code

Browse Source 
Corresponding to flashrom svn r113 and coreboot v2 svn r2691.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
This commit is contained in:
Stefan Reinauer
2007-05-24 08:48:10 +00:00
committed by Stefan Reinauer
parent 7c1402f220
commit ff4f197a24
6 changed files with 31 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
sst49lfxxxc.c
View File

@ -133,10 +133,8 @@ static __inline__ int write_sector_49lfxxxc(volatile uint8_t *bios,
int probe_49lfxxxc(struct flashchip *flash)
{
volatile uint8_t *bios = flash->virtual_memory;
volatile uint8_t *registers;
uint8_t id1, id2;
size_t size = flash->total_size * 1024;
*bios = RESET;
@ -147,17 +145,12 @@ int probe_49lfxxxc(struct flashchip *flash)
*bios = RESET;
printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (!(id1 == flash->manufacture_id && id2 == flash->model_id))
return 0;
registers = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0xFFFFFFFF - 0x400000 - size + 1));
if (registers == MAP_FAILED) {
// it's this part but we can't map it ...
perror("Can't mmap memory using " MEM_DEV);
exit(1);
}
flash->virtual_registers = registers;
map_flash_registers(flash);
return 1;
}