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| author | Stefan Reinauer <stepan@coresystems.de> | 2007-05-24 08:48:10 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2007-05-24 08:48:10 +0000 |
| commit | ff4f197a24d2b06162e062004874ac915ee353ac (patch) | |
| tree | f0892c97e2f71c31bab955384efebffd8fb1621a /sst49lfxxxc.c | |
| parent | 7c1402f2208f3240de9f28f6ac48a24f526c430d (diff) | |
| download | flashrom-ff4f197a24d2b06162e062004874ac915ee353ac.tar.gz flashrom-ff4f197a24d2b06162e062004874ac915ee353ac.tar.bz2 flashrom-ff4f197a24d2b06162e062004874ac915ee353ac.zip | |
Factor out register mapping code
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>
Diffstat (limited to 'sst49lfxxxc.c')
| -rw-r--r-- | sst49lfxxxc.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/sst49lfxxxc.c b/sst49lfxxxc.c index b8f4b844e..16f84df4a 100644 --- a/sst49lfxxxc.c +++ b/sst49lfxxxc.c @@ -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; } |