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-rw-r--r--src/southbridge/amd/amd8131/amd8131_bridge.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/southbridge/amd/amd8131/amd8131_bridge.c b/src/southbridge/amd/amd8131/amd8131_bridge.c
new file mode 100644
index 0000000000..9ef83da50d
--- /dev/null
+++ b/src/southbridge/amd/amd8131/amd8131_bridge.c
@@ -0,0 +1,54 @@
+/*
+ * (C) 2003 Linux Networx
+ */
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+static void pcix_init(device_t dev)
+{
+ return;
+}
+
+static struct device_operations pcix_ops = {
+ .read_resources = pci_bus_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .init = pcix_init,
+ .scan_bus = pci_scan_bridge,
+};
+
+static struct pci_driver pcix_driver __pci_driver = {
+ .ops = &pcix_ops,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = 0x7450,
+};
+
+
+static void ioapic_enable(device_t dev)
+{
+ uint32_t value;
+ value = pci_read_config32(dev, 0x44);
+ if (dev->enable) {
+ value |= ((1 << 1) | (1 << 0));
+ } else {
+ value &= ~((1 << 1) | (1 << 0));
+ }
+ pci_write_config32(dev, 0x44, value);
+}
+
+static struct device_operations ioapic_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .init = 0,
+ .scan_bus = 0,
+ .enable = ioapic_enable,
+};
+
+static struct pci_driver ioapic_driver __pci_driver = {
+ .ops = &ioapic_ops,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = 0x7451,
+
+};