1 files changed, 66 insertions, 0 deletions
diff --git a/src/southbridge/amd/amd8111/ide.c b/src/southbridge/amd/amd8111/ide.c
new file mode 100644
index 0000000000..3299875187
--- /dev/null
+++ b/src/southbridge/amd/amd8111/ide.c
@@ -0,0 +1,66 @@
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "amd8111.h"
+
+static void ide_init(struct device *dev)
+{
+	struct southbridge_amd_amd8111_config *conf;
+	/* Enable ide devices so the linux ide driver will work */
+	uint16_t word;
+	uint8_t byte;
+	conf = dev->chip_info;
+
+	word = pci_read_config16(dev, 0x40);
+	/* Ensure prefetch is disabled */
+	word &= ~((1 << 15) | (1 << 13));
+	if (conf->ide1_enable) {
+		/* Enable secondary ide interface */
+		word |= (1<<0);
+		printk(BIOS_DEBUG, "IDE1 ");
+	}
+	if (conf->ide0_enable) {
+		/* Enable primary ide interface */
+		word |= (1<<1);
+		printk(BIOS_DEBUG, "IDE0 ");
+	}
+
+	word |= (1<<12);
+	word |= (1<<14);
+
+	pci_write_config16(dev, 0x40, word);
+
+
+        byte = 0x20 ; // Latency: 64-->32
+        pci_write_config8(dev, 0xd, byte);
+
+	word = 0x0f;
+	pci_write_config16(dev, 0x42, word);
+}
+
+static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	pci_write_config32(dev, 0x70,
+		((device & 0xffff) << 16) | (vendor & 0xffff));
+}
+static struct pci_operations lops_pci = {
+	.set_subsystem = lpci_set_subsystem,
+};
+static struct device_operations ide_ops  = {
+	.read_resources   = pci_dev_read_resources,
+	.set_resources    = pci_dev_set_resources,
+	.enable_resources = pci_dev_enable_resources,
+	.init             = ide_init,
+	.scan_bus         = 0,
+	.enable           = amd8111_enable,
+	.ops_pci          = &lops_pci
+};
+
+static const struct pci_driver ide_driver __pci_driver = {
+	.ops    = &ide_ops,
+	.vendor = PCI_VENDOR_ID_AMD,
+	.device = PCI_DEVICE_ID_AMD_8111_IDE,
+};
+