diff --git a/board/renesas/porter/porter.c b/board/renesas/porter/porter.c
index dfefd7f..320841f 100644
--- a/board/renesas/porter/porter.c
+++ b/board/renesas/porter/porter.c
@@ -116,12 +116,25 @@
 
 void reset_cpu(ulong addr)
 {
-	u8 val;
+	struct udevice *dev;
+	const u8 pmic_bus = 6;
+	const u8 pmic_addr = 0x5a;
+	u8 data;
+	int ret;
+
+	ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev);
+	if (ret)
+		hang();
+
+	ret = dm_i2c_read(dev, 0x13, &data, 1);
+	if (ret)
+		hang();
+
+	data |= BIT(1);
 
-	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);
+	ret = dm_i2c_write(dev, 0x13, &data, 1);
+	if (ret)
+		hang();
 }
 
 #ifdef CONFIG_SPL_BUILD