GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

SB600 has four write once LPC ROM protect areas. It is not possible to write 

enable that area once the register is set so print a warning.

Signed-off-by: Marc Jones <marcj.jones@amd.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Peter Stuge <peter@stuge.se>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3659 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Marc Jones 2008-10-15 17:50:29 +00:00 committed by Marc Jones
parent b0ae976eaf
commit 7528aa6de3
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
util/flashrom/chipset_enable.c
View File

@ -571,6 +571,26 @@ static int enable_flash_amd8111(struct pci_dev *dev, const char *name)
return 0;
}
static int enable_flash_sb600(struct pci_dev *dev, const char *name)
{
uint32_t old, new;
uint8_t reg;
/* Clear ROM Protect 0-3 */
for (reg = 0x50; reg < 0x60; reg+=4) {
old = pci_read_long(dev, reg);
new = old & 0xFFFFFFFC;
if (new != old) {
pci_write_byte(dev, reg, new);
if (pci_read_long(dev, reg) != new) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x50, new, name);
}
}
}
return 0;
}
static int enable_flash_ck804(struct pci_dev *dev, const char *name)
{
uint8_t old, new;
@ -744,6 +764,7 @@ static const FLASH_ENABLE enables[] = {
{0x1039, 0x0008, "SiS5595", enable_flash_sis5595},
{0x1022, 0x2080, "AMD CS5536", enable_flash_cs5536},
{0x1022, 0x7468, "AMD8111", enable_flash_amd8111},
{0x1002, 0x438D, "ATI(AMD) SB600", enable_flash_sb600},
{0x10B9, 0x1533, "ALi M1533", enable_flash_ali_m1533},
{0x10de, 0x0050, "NVIDIA CK804", enable_flash_ck804}, /* LPC */
{0x10de, 0x0051, "NVIDIA CK804", enable_flash_ck804}, /* Pro */