1 files changed, 82 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801dx/ide.c b/src/southbridge/intel/i82801dx/ide.c
new file mode 100644
index 0000000000..75350da058
--- /dev/null
+++ b/src/southbridge/intel/i82801dx/ide.c
@@ -0,0 +1,82 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2004 Ronald G. Minnich
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * 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
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "i82801dx.h"
+
+typedef struct southbridge_intel_i82801dx_config config_t;
+
+static void ide_init(struct device *dev)
+{
+	/* Get the chip configuration */
+	config_t *config = dev->chip_info;
+
+	/* Enable IDE devices so the Linux IDE driver will work. */
+	uint16_t ideTimingConfig;
+
+	ideTimingConfig = pci_read_config16(dev, IDE_TIM_PRI);
+	ideTimingConfig &= ~IDE_DECODE_ENABLE;
+	if (!config || config->ide0_enable) {
+		/* Enable primary IDE interface. */
+		ideTimingConfig |= IDE_DECODE_ENABLE;
+		printk(BIOS_DEBUG, "IDE0: Primary IDE interface is enabled\n");
+	} else {
+		printk(BIOS_INFO, "IDE0: Primary IDE interface is disabled\n");
+	}
+	pci_write_config16(dev, IDE_TIM_PRI, ideTimingConfig);
+
+	ideTimingConfig = pci_read_config16(dev, IDE_TIM_SEC);
+	ideTimingConfig &= ~IDE_DECODE_ENABLE;
+	if (!config || config->ide1_enable) {
+		/* Enable secondary IDE interface. */
+		ideTimingConfig |= IDE_DECODE_ENABLE;
+		printk(BIOS_DEBUG, "IDE1: Secondary IDE interface is enabled\n");
+	} else {
+		printk(BIOS_INFO, "IDE1: Secondary IDE interface is disabled\n");
+	}
+	pci_write_config16(dev, IDE_TIM_SEC, ideTimingConfig);
+}
+
+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 = i82801dx_enable,
+};
+
+/* 82801DB */
+static const struct pci_driver i82801db_ide __pci_driver = {
+	.ops = &ide_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = 0x24cb,
+};
+
+/* 82801DBM */
+static const struct pci_driver i82801dbm_ide __pci_driver = {
+	.ops = &ide_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = 0x24ca,
+};