don't enable VGA/ISA here, it is done in device.c:allocate_vga_resource
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1561 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -13,56 +13,45 @@ static void agp3bridge_init(device_t dev)
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{
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uint8_t byte;
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/* Enable BM and IO */
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/* Enable BM, MEM and IO */
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byte = pci_read_config32(dev, 0x04);
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byte |= 0x07;
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pci_write_config8(dev, 0x04, byte);
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/* Eable VGA/ISA decoding */
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byte = pci_read_config32(dev, 0x3e);
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byte |= 3<<2;
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pci_write_config8(dev, 0x3e, byte);
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byte |= 0x07;
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pci_write_config8(dev, 0x04, byte);
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return;
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}
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static struct device_operations agp3bridge_ops = {
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.read_resources = pci_bus_read_resources,
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.set_resources = pci_dev_set_resources,
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.read_resources = pci_bus_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_bus_enable_resources,
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.init = agp3bridge_init,
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.scan_bus = pci_scan_bridge,
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.init = agp3bridge_init,
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.scan_bus = pci_scan_bridge,
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};
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static struct pci_driver agp3bridge_driver __pci_driver = {
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.ops = &agp3bridge_ops,
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.vendor = PCI_VENDOR_ID_AMD,
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.device = 0x7455, // AGP Bridge
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.ops = &agp3bridge_ops,
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.vendor = PCI_VENDOR_ID_AMD,
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.device = 0x7455, // AGP Bridge
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};
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static void agp3dev_enable(device_t dev)
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{
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uint32_t value;
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// AGP enable
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value = pci_read_config32(dev, 0xa8);
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value |= (3<<8)|2; //AGP 8x
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pci_write_config32(dev, 0xa8, value);
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/*
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// linkA 8bit-->16bit
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value = pci_read_config32(dev, 0xc4);
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value |= (0x11<<24);
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pci_write_config32(dev, 0xc4, value);
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/* AGP enable */
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value = pci_read_config32(dev, 0xa8);
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value |= (3<<8)|2; //AGP 8x
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pci_write_config32(dev, 0xa8, value);
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// linkA 200-->600
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value = pci_read_config32(dev, 0xcc);
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value |= (4<<8);
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pci_write_config32(dev, 0xcc, value);
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*/
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value = pci_read_config32(dev, 0x4);
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value |= 6;
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pci_write_config32(dev, 0x4, value);
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/* enable BM and MEM */
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value = pci_read_config32(dev, 0x4);
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value |= 6;
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pci_write_config32(dev, 0x4, value);
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#if 0
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/* FIXME: should we add agp aperture base and size here ?
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* or it is done by AGP drivers */
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#endif
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}
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static struct device_operations agp3dev_ops = {
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@ -77,6 +66,5 @@ static struct device_operations agp3dev_ops = {
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static struct pci_driver agp3dev_driver __pci_driver = {
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.ops = &agp3dev_ops,
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.vendor = PCI_VENDOR_ID_AMD,
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.device = 0x7454, //AGP Device
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.device = 0x7454, //AGP Device
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};
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