From: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Date: Thu, 10 Oct 2013 00:13:41 +0000 (+0900)
Subject: arm: lager: Add support reset function
X-Git-Tag: v2014.01~13^2~32^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b9986be0840d7945f760204bfb1a4b565ba235ff;p=kernel%2Fu-boot.git

arm: lager: Add support reset function

The lager board uses I2C for reset.

ned-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
---

diff --git a/board/renesas/lager/lager.c b/board/renesas/lager/lager.c
index ba923d5..cdd5b32 100644
--- a/board/renesas/lager/lager.c
+++ b/board/renesas/lager/lager.c
@@ -19,6 +19,7 @@
 #include <asm/gpio.h>
 #include <asm/arch/rmobile.h>
 #include <miiphy.h>
+#include <i2c.h>
 #include "qos.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -354,4 +355,11 @@ int board_late_init(void)
 
 void reset_cpu(ulong addr)
 {
+	u8 val;
+
+	i2c_set_bus_num(3); /* PowerIC connected to ch3 */
+	i2c_init(400000, 0);
+	i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
+	val |= 0x02;
+	i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
 }
diff --git a/include/configs/lager.h b/include/configs/lager.h
index dd61ca0..8932825 100644
--- a/include/configs/lager.h
+++ b/include/configs/lager.h
@@ -159,6 +159,8 @@
 #define CONFIG_SYS_RCAR_I2C3_SPEED	400000
 #define CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS	4
 
+#define CONFIG_SYS_I2C_POWERIC_ADDR 0x58 /* da9063 */
+
 /* Board Clock */
 #define CONFIG_BASE_CLK_FREQ	20000000u
 #define CONFIG_SH_TMU_CLK_FREQ	(CONFIG_BASE_CLK_FREQ / 2) /* EXT / 2 */