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Code Issues Releases Wiki Activity

Factor out register mapping code

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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
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17
flashrom.c
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@@ -99,6 +99,23 @@ struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device,
return NULL;
}
int map_flash_registers(struct flashchip *flash)
{
volatile uint8_t *registers;
size_t size = flash->total_size * 1024;
registers = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0xFFFFFFFF - 0x400000 - size + 1));
if (registers == MAP_FAILED) {
perror("Can't mmap registers using " MEM_DEV);
exit(1);
}
flash->virtual_registers = registers;
return 0;
}
struct flashchip *probe_flash(struct flashchip *flash)
{
volatile uint8_t *bios;