From ff4f197a24d2b06162e062004874ac915ee353ac Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Thu, 24 May 2007 08:48:10 +0000 Subject: Factor out register mapping code Corresponding to flashrom svn r113 and coreboot v2 svn r2691. Signed-off-by: Stefan Reinauer Acked-by: Stefan Reinauer --- sst49lfxxxc.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) (limited to 'sst49lfxxxc.c') 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; } -- cgit v1.1