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authorarch <arch@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1>2005-07-06 17:13:46 +0000
committerarch <arch@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1>2005-07-06 17:13:46 +0000
commit3ab34217cd50ec64f572cf6ae4fddbde39f610ae (patch)
tree73c9bd186b7d9a907406b687552e70ab74cd4922 /flash_enable.c
parent1d0f00437fa8cd1cdec904b6ac35f415eaca92bd (diff)
downloadflashrom-3ab34217cd50ec64f572cf6ae4fddbde39f610ae.tar.gz
Original v2 revision: 1946
Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-30 Creator: Yinghai Lu <yhlu@tyan.com> Nvidia Ck804 support git-svn-id: https://code.coreboot.org/svn/flashrom/trunk@32 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'flash_enable.c')
-rw-r--r--flash_enable.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/flash_enable.c b/flash_enable.c
index 6a78434..19fd9b0 100644
--- a/flash_enable.c
+++ b/flash_enable.c
@@ -249,6 +249,41 @@ static int enable_flash_amd8111(struct pci_dev *dev, char *name)
return 0;
}
+//By yhlu
+static int enable_flash_ck804(struct pci_dev *dev, char *name)
+{
+ /* register 4e.b gets or'ed with one */
+ unsigned char old, new;
+ /* if it fails, it fails. There are so many variations of broken mobos
+ * that it is hard to argue that we should quit at this point.
+ */
+
+ //dump_pci_device(dev);
+
+ old = pci_read_byte(dev, 0x88);
+ new = old | 0xc0;
+ if (new != old) {
+ pci_write_byte(dev, 0x88, new);
+ if (pci_read_byte(dev, 0x88) != new) {
+ printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x88, new, name);
+ }
+ }
+
+ old = pci_read_byte(dev, 0x6d);
+ new = old | 0x01;
+ if (new == old)
+ return 0;
+ pci_write_byte(dev, 0x6d, new);
+
+ if (pci_read_byte(dev, 0x6d) != new) {
+ printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x6d, new, name);
+ return -1;
+ }
+ return 0;
+}
+
typedef struct penable {
unsigned short vendor, device;
char *name;
@@ -265,6 +300,9 @@ static FLASH_ENABLE enables[] = {
{0x100b, 0x0510, "SC1100", enable_flash_sc1100},
{0x1039, 0x0008, "SIS5595", enable_flash_sis5595},
{0x1022, 0x7468, "AMD8111", enable_flash_amd8111},
+ {0x10de, 0x0050, "NVIDIA CK804", enable_flash_ck804}, // LPC
+ {0x10de, 0x0051, "NVIDIA CK804", enable_flash_ck804}, // Pro
+ {0x10de, 0x00d3, "NVIDIA CK804", enable_flash_ck804}, // Slave, should not be here, to fix known bug for A01.
};
int enable_flash_write()