1 files changed, 85 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron/pmic.c b/src/mainboard/google/veyron/pmic.c
new file mode 100644
index 0000000000..2e6f0abca1
--- /dev/null
+++ b/src/mainboard/google/veyron/pmic.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * 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/i2c.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include "pmic.h"
+
+#define RK808_ADDR	0x1b
+#define LOD1EN		(1 << 0)
+#define LOD2EN		(1 << 1)
+#define LOD3EN		(1 << 2)
+#define LOD4EN		(1 << 3)
+#define LOD5EN		(1 << 4)
+#define LOD6EN		(1 << 5)
+#define LOD7EN		(1 << 6)
+#define LOD8EN		(1 << 7)
+
+#define LDO_BASE18V	18
+#define LDO_BASE08V	8
+#define LDOVSEL(mV, base) (mV/100 - base)
+
+struct rk808_reg {
+	 u8 reg;
+	 u8 val;
+};
+
+enum {
+	 LDO_EN = 0x24,
+	 LDO1_ONSEL = 0x3B,
+	 LDO1_SLPSEL,
+	 LDO2_ONSEL,
+	 LDO2_SLPSEL,
+	 LDO3_ONSEL,
+	 LDO3_SLPSEL,
+	 LDO4_ONSEL,
+	 LDO4_SLPSEL,
+	 LDO5_ONSEL,
+	 LDO5_SLPSEL,
+	 LDO6_ONSEL,
+	 LDO6_SLPSEL,
+	 LDO7_ONSEL,
+	 LDO7_SLPSEL,
+	 LDO8_ONSEL,
+	 LDO8_SLPSEL,
+};
+
+static struct rk808_reg ldo_initlist[] = {
+	 {LDO4_ONSEL, LDOVSEL(1800, LDO_BASE18V)}, /*vcc18_lcd*/
+	 {LDO5_ONSEL, LDOVSEL(1800, LDO_BASE18V)}, /*vcc18_codec*/
+	 {LDO6_ONSEL, LDOVSEL(1000, LDO_BASE08V)}, /*vcc10_lcd*/
+	 {LDO8_ONSEL, LDOVSEL(3300, LDO_BASE18V)}, /*vccio_sd*/
+};
+
+void pmic_init(unsigned int bus)
+{
+	uint8_t read_reg;
+	int i;
+	for (i = 0; i < ARRAY_SIZE(ldo_initlist); i++) {
+		struct rk808_reg *reg = &ldo_initlist[i];
+		i2c_writeb(bus, RK808_ADDR, reg->reg, reg->val);
+	}
+
+	/*enable ldo4,ldo5,ldo6,ldo8*/
+	i2c_readb(bus, RK808_ADDR, LDO_EN, &read_reg);
+	i2c_writeb(bus, RK808_ADDR, LDO_EN, read_reg | LOD8EN | LOD6EN
+						     | LOD5EN | LOD4EN);
+}