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Diffstat (limited to 'src/southbridge/intel/i3100/i3100_sata.c')
-rw-r--r--src/southbridge/intel/i3100/i3100_sata.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/southbridge/intel/i3100/i3100_sata.c b/src/southbridge/intel/i3100/i3100_sata.c
new file mode 100644
index 0000000000..43fea3942f
--- /dev/null
+++ b/src/southbridge/intel/i3100/i3100_sata.c
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Arastra, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+/* This code is based on src/southbridge/intel/esb6300/esb6300_sata.c */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "i3100.h"
+
+static void sata_init(struct device *dev)
+{
+ /* Enable SATA devices */
+
+ printk_debug("SATA init\n");
+ /* SATA configuration */
+ pci_write_config8(dev, 0x04, 0x07);
+ pci_write_config8(dev, 0x09, 0x8f);
+
+ /* Set timings */
+ pci_write_config16(dev, 0x40, 0x0a307);
+ pci_write_config16(dev, 0x42, 0x0a307);
+
+ /* Sync DMA */
+ pci_write_config16(dev, 0x48, 0x000f);
+ pci_write_config16(dev, 0x4a, 0x1111);
+
+ /* Fast ATA */
+ pci_write_config16(dev, 0x54, 0x1000);
+
+ /* Select IDE mode */
+ pci_write_config8(dev, 0x90, 0x00);
+
+ /* Enable ports 0-3 */
+ pci_write_config8(dev, 0x92, 0x0f);
+
+ printk_debug("SATA Enabled\n");
+}
+
+static void sata_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+}
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = sata_set_subsystem,
+};
+
+static struct device_operations sata_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = sata_init,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+static struct pci_driver sata_driver __pci_driver = {
+ .ops = &sata_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_3100_SATA,
+};
+
+static struct pci_driver sata_driver_nr __pci_driver = {
+ .ops = &sata_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_3100_SATA_R,
+};
+