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 @@
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);
}