A patch to add initial support for the i82801db southbridge based

heavily on the code for i82801dbm and i82801er

Signed-off-by: Jon Dufresne <jon.dufresne@gmail.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2534 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 55 insertions, 0 deletions

diff --git a/src/southbridge/intel/i82801db/i82801db_ac97.c b/src/southbridge/intel/i82801db/i82801db_ac97.c
new file mode 100644
index 0000000000..b1f8980c20
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_ac97.c
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * 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 "i82801db.h"
+
+static void ac97_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	/* Write the subsystem vendor and device id */
+	pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, 
+		((device & 0xffff) << 16) | (vendor & 0xffff));
+}
+
+static struct pci_operations lops_pci = {
+	.set_subsystem = ac97_set_subsystem,
+};
+static struct device_operations ac97_ops  = {
+	.read_resources   = pci_dev_read_resources,
+	.set_resources    = pci_dev_set_resources,
+	.enable_resources = pci_dev_enable_resources,
+	.init             = 0,
+	.scan_bus         = 0,
+	.enable           = i82801db_enable,
+	.ops_pci          = &lops_pci,
+};
+
+static struct pci_driver ac97_audio_driver __pci_driver = {
+	.ops    = &ac97_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = PCI_DEVICE_ID_INTEL_82801DB_AC97_AUDIO,
+};
+static struct pci_driver ac97_modem_driver __pci_driver = {
+	.ops    = &ac97_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = PCI_DEVICE_ID_INTEL_82801DB_AC97_MODEM,
+};