arm: koelsch: Add support reset function

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

board/renesas/koelsch/koelsch.c

@@ -357,4 +357,10 @@ int board_late_init(void)
 
 void reset_cpu(ulong addr)
 {
+	u8 val;
+
+	i2c_set_bus_num(2); /* PowerIC connected to ch2 */
+	i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
+	val |= 0x02;
+	i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
 }

include/configs/koelsch.h

@@ -165,4 +165,6 @@
 #define CONFIG_SH_I2C_DATA_LOW	5
 #define CONFIG_SH_I2C_CLOCK	10000000
 
+#define CONFIG_SYS_I2C_POWERIC_ADDR 0x58 /* da9063 */
+
 #endif	/* __KOELSCH_H */