This patch adds support for the Intel i82810 northbridge and various i82801xx

southbridges, along with the Asus MEW-VM. With this, my machine attempts to
boot linux, but does so very slowly and fails during the boot process, probably
because of the irq tables.

Signed-off-by: Corey Osgood <corey.osgood@gmail.com>
Acked-by: Joseph Smith <joe@smittys.pointclark.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2719 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 82 insertions, 0 deletions

diff --git a/src/southbridge/intel/i82801xx/i82801xx_sata.c b/src/southbridge/intel/i82801xx/i82801xx_sata.c
new file mode 100644
index 0000000000..33dfc329ac
--- /dev/null
+++ b/src/southbridge/intel/i82801xx/i82801xx_sata.c
@@ -0,0 +1,82 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2005 Tyan Computer
+ * (Written by Yinghai Lu <yinghailu@gmail.com> for Tyan Computer)
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 "i82801xx.h"
+
+/* TODO: set dynamically, if the user only wants one sata channel or none at all */
+
+static void sata_init(struct device *dev)
+{
+	/* SATA configuration */
+	pci_write_config8(dev, 0x04, 0x07);
+	pci_write_config8(dev, 0x09, 0x8f);
+	
+	/* Set timmings */
+	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);
+
+	/* 66 mhz */
+	pci_write_config16(dev, 0x54, 0xf00f);
+
+	/* Combine ide - sata configuration */
+	pci_write_config8(dev, 0x90, 0x0);
+	
+	/* port 0 & 1 enable */
+	pci_write_config8(dev, 0x92, 0x33);
+	
+	/* initialize SATA  */
+	pci_write_config16(dev, 0xa0, 0x0018);
+	pci_write_config32(dev, 0xa4, 0x00000264);
+	pci_write_config16(dev, 0xa0, 0x0040);
+	pci_write_config32(dev, 0xa4, 0x00220043);
+}
+
+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,
+	.enable           = i82801xx_enable,
+};
+
+/* i82801eb */
+static struct pci_driver i82801eb_sata_driver __pci_driver = {
+	.ops    = &sata_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = 0x24d1,
+};
+
+/* i82801er */
+static struct pci_driver i82801er_sata_driver __pci_driver = {
+	.ops    = &sata_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = 0x24df,
+};