From b9986be0840d7945f760204bfb1a4b565ba235ff Mon Sep 17 00:00:00 2001
From: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Date: Thu, 10 Oct 2013 09:13:41 +0900
Subject: [PATCH] arm: lager: Add support reset function
The lager board uses I2C for reset.
ned-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
---
board/renesas/lager/lager.c | 8 ++++++++
include/configs/lager.h | 2 ++
2 files changed, 10 insertions(+)
diff --git a/board/renesas/lager/lager.c b/board/renesas/lager/lager.c
index ba923d520f..cdd5b32135 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 dd61ca0dc9..893282540e 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 */
--
2.39.5