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authorRonald G. Minnich <rminnich@gmail.com>2004-03-12 15:13:38 +0000
committerRonald G. Minnich <rminnich@gmail.com>2004-03-12 15:13:38 +0000
commite4fc0ab250bd88ad8833a90d9338fd5b35881ebc (patch)
tree7ac09324ee465b31f5bfb1ed6a479c301e0de53d /src/southbridge/amd/amd8151
parenta40a17c50cd10afea78bc5c1e41e486b9c4aa078 (diff)
downloadcoreboot-e4fc0ab250bd88ad8833a90d9338fd5b35881ebc.tar.xz
fixes for tyan
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1392 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/amd/amd8151')
-rw-r--r--src/southbridge/amd/amd8151/amd8151_agp3.c26
1 files changed, 15 insertions, 11 deletions
diff --git a/src/southbridge/amd/amd8151/amd8151_agp3.c b/src/southbridge/amd/amd8151/amd8151_agp3.c
index 2feeded66d..a4d4dce1a1 100644
--- a/src/southbridge/amd/amd8151/amd8151_agp3.c
+++ b/src/southbridge/amd/amd8151/amd8151_agp3.c
@@ -11,12 +11,16 @@
static void agp3bridge_init(device_t dev)
{
- uint32_t dword;
+ uint8_t byte;
+
+ byte = pci_read_config32(dev, 0x04);
+ byte |= 0x07;
+ pci_write_config8(dev, 0x04, byte);
+
+ byte = pci_read_config32(dev, 0xce);
+ byte |= 3<<2;
+ pci_write_config8(dev, 0xce, byte);
- dword = pci_read_config8(dev, 0x04);
- dword |= 0x07;
- pci_write_config8(dev, 0x04, dword);
-
return;
}
@@ -31,7 +35,7 @@ static struct device_operations agp3bridge_ops = {
static struct pci_driver agp3bridge_driver __pci_driver = {
.ops = &agp3bridge_ops,
.vendor = PCI_VENDOR_ID_AMD,
- .device = 0x7455,
+ .device = 0x7455, // AGP Bridge
};
@@ -41,19 +45,19 @@ static void agp3dev_enable(device_t dev)
// AGP enable
value = pci_read_config32(dev, 0xa8);
- value |= (1<<8);
+ value |= (3<<8)|2; //AGP 8x
pci_write_config32(dev, 0xa8, value);
-
+/*
// linkA 8bit-->16bit
value = pci_read_config32(dev, 0xc4);
- value |= (11<<24);
+ value |= (0x11<<24);
pci_write_config32(dev, 0xc4, value);
// linkA 200-->600
value = pci_read_config32(dev, 0xcc);
value |= (4<<8);
pci_write_config32(dev, 0xcc, value);
-
+*/
value = pci_read_config32(dev, 0x4);
value |= 6;
@@ -72,6 +76,6 @@ static struct device_operations agp3dev_ops = {
static struct pci_driver agp3dev_driver __pci_driver = {
.ops = &agp3dev_ops,
.vendor = PCI_VENDOR_ID_AMD,
- .device = 0x7454,
+ .device = 0x7454, //AGP Device
};