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authorStefan Reinauer <stepan@coresystems.de>2007-05-24 08:48:10 +0000
committerStefan Reinauer <stefan.reinauer@coreboot.org>2007-05-24 08:48:10 +0000
commitff4f197a24d2b06162e062004874ac915ee353ac (patch)
treef0892c97e2f71c31bab955384efebffd8fb1621a /sst49lfxxxc.c
parent7c1402f2208f3240de9f28f6ac48a24f526c430d (diff)
downloadast2050-flashrom-ff4f197a24d2b06162e062004874ac915ee353ac.zip
ast2050-flashrom-ff4f197a24d2b06162e062004874ac915ee353ac.tar.gz
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.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/sst49lfxxxc.c b/sst49lfxxxc.c
index b8f4b84..16f84df 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;
}
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