Support for Ibexpeak southbridge

Part of X201 port.

Change-Id: If17d707004aba9f08459dbd8f3a146fa3c076aa9
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4052
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins)

1 files changed, 85 insertions, 0 deletions

diff --git a/src/southbridge/intel/ibexpeak/thermal.c b/src/southbridge/intel/ibexpeak/thermal.c
new file mode 100644
index 0000000000..11b65554a8
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/thermal.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Vladimir Serbinenko
+ *
+ * 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 "pch.h"
+#include <usbdebug.h>
+#include <arch/io.h>
+
+static void thermal_init(struct device *dev)
+{
+	struct resource *res;
+
+	printk(BIOS_DEBUG, "Thermal init start.\n");
+
+	res = find_resource(dev, 0x10);
+	if (!res)
+		return;
+
+	write32(res->base + 4, 0x3a2b);
+	write8(res->base + 0xe, 0x40);
+	write32(res->base + 0x12, 0x1a40);
+	write16(res->base + 0x16, 0x7746);
+	write16(res->base + 0x1a, 0x10f0);
+	write16(res->base + 0x56, 0xffff);
+	write16(res->base + 0x64, 0xffff);
+	write16(res->base + 0x66, 0xffff);
+	write16(res->base + 0x68, 0xfa);
+
+	write8(res->base + 1, 0xb8);
+
+	printk(BIOS_DEBUG, "Thermal init done.\n");
+}
+
+static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				   pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				   ((device & 0xffff) << 16) | (vendor &
+								0xffff));
+	}
+}
+
+static struct pci_operations pci_ops = {
+	.set_subsystem = set_subsystem,
+};
+
+static struct device_operations thermal_ops = {
+	.read_resources = pci_dev_read_resources,
+	.set_resources = pci_dev_set_resources,
+	.enable_resources = pci_dev_enable_resources,
+	.init = thermal_init,
+	.scan_bus = 0,
+	.ops_pci = &pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = { 0x3b32, 0 };
+
+static const struct pci_driver pch_thermal __pci_driver = {
+	.ops = &thermal_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};