Author: mjones
Date: 2008-10-15 19:50:29 +0200 (Wed, 15 Oct 2008)
New Revision: 3659
Modified:
trunk/util/flashrom/chipset_enable.c
Log:
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 <[EMAIL PROTECTED]>
Acked-by: Ronald G. Minnich <[EMAIL PROTECTED]>
Acked-by: Peter Stuge <[EMAIL PROTECTED]>
Acked-by: Carl-Daniel Hailfinger <[EMAIL PROTECTED]>
Modified: trunk/util/flashrom/chipset_enable.c
===================================================================
--- trunk/util/flashrom/chipset_enable.c 2008-10-14 16:34:38 UTC (rev
3658)
+++ trunk/util/flashrom/chipset_enable.c 2008-10-15 17:50:29 UTC (rev
3659)
@@ -571,6 +571,26 @@
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 @@
{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 */
--
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