Add driver for ICS954309 clock generator

Change-Id: Iac7e91cdd995dad1954eaa2d4dd52bffa293fc95
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/327
Tested-by: build bot (Jenkins)

4 files changed, 117 insertions, 0 deletions

diff --git a/src/drivers/ics/954309/Kconfig b/src/drivers/ics/954309/Kconfig
new file mode 100644
index 0000000000..43840a3b37
--- /dev/null
+++ b/src/drivers/ics/954309/Kconfig
@@ -0,0 +1,2 @@
+config DRIVERS_ICS_954309
+	bool
diff --git a/src/drivers/ics/954309/Makefile.inc b/src/drivers/ics/954309/Makefile.inc
new file mode 100644
index 0000000000..ede9639857
--- /dev/null
+++ b/src/drivers/ics/954309/Makefile.inc
@@ -0,0 +1 @@
+driver-$(CONFIG_DRIVERS_ICS_954309) += ics954309.c
diff --git a/src/drivers/ics/954309/chip.h b/src/drivers/ics/954309/chip.h
new file mode 100644
index 0000000000..8dfc3e06dd
--- /dev/null
+++ b/src/drivers/ics/954309/chip.h
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
+ *
+ * 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
+ */
+
+extern struct chip_operations drivers_ics_954309_ops;
+
+struct drivers_ics_954309_config {
+	u8 reg0;
+	u8 reg1;
+	u8 reg2;
+	u8 reg3;
+	u8 reg4;
+	u8 reg5;
+	u8 reg6;
+	u8 reg7;
+	u8 reg8;
+	u8 reg9;
+	u8 reg10;
+	u8 reg11;
+};
diff --git a/src/drivers/ics/954309/ics954309.c b/src/drivers/ics/954309/ics954309.c
new file mode 100644
index 0000000000..ef62879e46
--- /dev/null
+++ b/src/drivers/ics/954309/ics954309.c
@@ -0,0 +1,77 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
+ *
+ * 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/smbus.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <cpu/x86/msr.h>
+#include "chip.h"
+#include <string.h>
+
+static void ics954309_init(device_t dev)
+{
+	struct drivers_ics_954309_config *config;
+	u8 initdata[12];
+
+	if (!dev->enabled || dev->path.type != DEVICE_PATH_I2C)
+		return;
+
+	config = dev->chip_info;
+
+	initdata[0] = config->reg0;
+	initdata[1] = config->reg1;
+	initdata[2] = config->reg2;
+	initdata[3] = config->reg3;
+	initdata[4] = config->reg4;
+	initdata[5] = config->reg5;
+	initdata[6] = config->reg6;
+	initdata[7] = config->reg7;
+	initdata[8] = config->reg8;
+	initdata[9] = config->reg9;
+	initdata[10] = config->reg10;
+	initdata[11] = config->reg11;
+
+	smbus_block_write(dev, 0, 12, initdata);
+}
+
+static void ics954309_noop(device_t dummy)
+{
+}
+
+static struct device_operations ics954309_operations = {
+        .read_resources   = ics954309_noop,
+        .set_resources    = ics954309_noop,
+        .enable_resources = ics954309_noop,
+        .init             = ics954309_init,
+};
+
+static void enable_dev(struct device *dev)
+{
+	dev->ops = &ics954309_operations;
+}
+
+struct chip_operations drivers_ics_954309_ops = {
+	CHIP_NAME("ICS 954309 Clock generator")
+	.enable_dev = enable_dev,
+};