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Diffstat (limited to 'src/southbridge/intel/esb6300/ide.c')
-rw-r--r--src/southbridge/intel/esb6300/ide.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/southbridge/intel/esb6300/ide.c b/src/southbridge/intel/esb6300/ide.c
new file mode 100644
index 0000000000..abe86a811d
--- /dev/null
+++ b/src/southbridge/intel/esb6300/ide.c
@@ -0,0 +1,56 @@
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "esb6300.h"
+
+static void ide_init(struct device *dev)
+{
+
+ /* Enable ide devices so the linux ide driver will work */
+
+ /* Enable IDE devices */
+ pci_write_config16(dev, 0x40, 0x0a307);
+ pci_write_config16(dev, 0x42, 0x0a307);
+ pci_write_config8(dev, 0x48, 0x05);
+ pci_write_config16(dev, 0x4a, 0x0101);
+ pci_write_config16(dev, 0x54, 0x5055);
+
+#if 0
+ uint16_t word;
+ word = pci_read_config16(dev, 0x40);
+ word |= (1 << 15);
+ pci_write_config16(dev, 0x40, word);
+ word = pci_read_config16(dev, 0x42);
+ word |= (1 << 15);
+ pci_write_config16(dev, 0x42, word);
+#endif
+ printk(BIOS_DEBUG, "IDE Enabled\n");
+}
+
+static void esb6300_ide_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ /* This value is also visible in uchi[0-2] and smbus functions */
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+}
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = esb6300_ide_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,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver ide_driver __pci_driver = {
+ .ops = &ide_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_6300ESB_IDE,
+};
+