Support for the Intel ICH7 southbridge.

This includes an early SMI handler.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3701 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 71 insertions, 0 deletions

diff --git a/src/southbridge/intel/i82801gx/i82801gx_ac97.c b/src/southbridge/intel/i82801gx/i82801gx_ac97.c
new file mode 100644
index 0000000..b9c3199
--- /dev/null
+++ b/src/southbridge/intel/i82801gx/i82801gx_ac97.c
@@ -0,0 +1,71 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 coresystems GmbH
+ *
+ * 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 "i82801gx.h"
+
+static void ac97_audio_init(struct device *dev)
+{
+	// XXX init AC97 codecs.
+}
+
+static void ac97_modem_init(struct device *dev)
+{
+	// XXX init modem?
+}
+
+static struct device_operations ac97_audio_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.init			= ac97_audio_init,
+	.scan_bus		= 0,
+	.enable			= i82801gx_enable,
+};
+
+static struct device_operations ac97_modem_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.init			= ac97_modem_init,
+	.scan_bus		= 0,
+	.enable			= i82801gx_enable,
+};
+
+
+
+/* 82801GB/GR/GDH/GBM/GHM (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH) */
+/* Note: 82801GU (ICH7-U) doesn't have AC97 audio/modem. */
+
+static const struct pci_driver i82801gb_ac97_audio __pci_driver = {
+	.ops	= &ac97_audio_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= PCI_DEVICE_ID_INTEL_82801GB_AC97_AUDIO,
+};
+
+static const struct pci_driver i82801gb_ac97_modem __pci_driver = {
+	.ops	= &ac97_modem_ops,
+	.vendor	= PCI_VENDOR_ID_INTEL,
+	.device	= PCI_DEVICE_ID_INTEL_82801GB_AC97_MODEM,
+};
+