1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-pro4/early_pinctrl.c b/arch/arm/mach-uniphier/ph1-pro4/early_pinctrl.c
new file mode 100644
index 0000000000..85bb6a0b9c
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-pro4/early_pinctrl.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2011-2015 Panasonic Corporation
+ * Copyright (C) 2015      Socionext Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <mach/sg-regs.h>
+
+void early_pin_init(void)
+{
+	/* Comment format:    PAD Name -> Function Name */
+
+#ifdef CONFIG_UNIPHIER_SERIAL
+	sg_set_pinsel(127, 0);	/* RXD0 -> RXD0 */
+	sg_set_pinsel(128, 0);	/* TXD0 -> TXD0 */
+	sg_set_pinsel(129, 0);	/* RXD1 -> RXD1 */
+	sg_set_pinsel(130, 0);	/* TXD1 -> TXD1 */
+	sg_set_pinsel(131, 0);	/* RXD2 -> RXD2 */
+	sg_set_pinsel(132, 0);	/* TXD2 -> TXD2 */
+	sg_set_pinsel(88, 2);	/* CH6CLK -> RXD3 */
+	sg_set_pinsel(89, 2);	/* CH6VAL -> TXD3 */
+#endif
+
+	writel(1, SG_LOADPINCTRL);
+}