sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

factor out register mapping code (trivial)

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

17
util/flashrom/flashrom.c
View File

@@ -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;