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factor out register mapping code (trivial)

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Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2691 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2007-05-24 08:48:10 +00:00
committed by Stefan Reinauer
parent a18501dae8
commit 8924fdd22b
6 changed files with 31 additions and 54 deletions
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21
util/flashrom/sharplhf00l04.c
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@@ -48,7 +48,6 @@ void print_lhf00l04_status(uint8_t status)
int probe_lhf00l04(struct flashchip *flash)
{
volatile uint8_t *bios = flash->virtual_memory;
volatile uint8_t *registers;
uint8_t id1, id2;
#if 0
@@ -75,24 +74,12 @@ int probe_lhf00l04(struct flashchip *flash)
printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 == flash->manufacture_id && id2 == flash->model_id) {
size_t size = flash->total_size * 1024;
// we need to mmap the write-protect space.
registers = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0 - 0x400000 - size));
if (registers == MAP_FAILED) {
// it's this part but we can't map it ...
perror("Can't mmap memory using " MEM_DEV);
exit(1);
}
if (id1 != flash->manufacture_id || id2 != flash->model_id)
return 0;
flash->virtual_registers = registers;
printf("bios %p, *bios 0x%x, bios[1] 0x%x\n", bios, *bios,
bios[1]);
return 1;
}
map_flash_registers(flash);
return 0;
return 1;
}
uint8_t wait_lhf00l04(volatile uint8_t *bios)