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fixes for tyan

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1392 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich
2004-03-12 15:13:38 +00:00
parent a40a17c50c
commit e4fc0ab250
31 changed files with 1017 additions and 600 deletions
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12
src/southbridge/amd/amd8131/amd8131_bridge.c
View File

@@ -24,15 +24,15 @@ static void pcix_init(device_t dev)
/* Set drive strength */
word = pci_read_config16(dev, 0xe0);
word = 0x0404;
word = 0x0808;
pci_write_config16(dev, 0xe0, word);
word = pci_read_config16(dev, 0xe4);
word = 0x0404;
word = 0x0808;
pci_write_config16(dev, 0xe4, word);
/* Set impedance */
word = pci_read_config16(dev, 0xe8);
word = 0x0404;
word = 0x0f0f;
pci_write_config16(dev, 0xe8, word);
/* Set discard unrequested prefetch data */
@@ -105,6 +105,12 @@ static void ioapic_enable(device_t dev)
value &= ~((1 << 1) | (1 << 0));
}
pci_write_config32(dev, 0x44, value);
//BY LYH
value = pci_read_config32(dev, 0x4);
value |= 6;
pci_write_config32(dev, 0x4, value);
//BY LYH END
}
static struct device_operations ioapic_ops = {

26
src/southbridge/amd/amd8151/amd8151_agp3.c
View File

@@ -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
};