diff options
Diffstat (limited to 'src/southbridge/amd')
| -rw-r--r-- | src/southbridge/amd/amd8131/amd8131_bridge.c | 12 | ||||
| -rw-r--r-- | src/southbridge/amd/amd8151/amd8151_agp3.c | 26 |
2 files changed, 24 insertions, 14 deletions
diff --git a/src/southbridge/amd/amd8131/amd8131_bridge.c b/src/southbridge/amd/amd8131/amd8131_bridge.c index b96f46db45..44b04d8636 100644 --- a/src/southbridge/amd/amd8131/amd8131_bridge.c +++ b/src/southbridge/amd/amd8131/amd8131_bridge.c @@ -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 = { 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 }; |