ARM: UniPhier: move UART pin settings to SPL
The UniPhier platform is going to enable Driver Model and UART
support on SPL. Move UART pin settings to early_pin_init(),
which is called from SPL.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/ph1-ld4/early_pinctrl.c b/arch/arm/mach-uniphier/ph1-ld4/early_pinctrl.c
new file mode 100644
index 0000000..e5e86bb
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-ld4/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 <mach/sg-regs.h>
+
+void early_pin_init(void)
+{
+ /* Comment format: PAD Name -> Function Name */
+
+#ifdef CONFIG_UNIPHIER_SERIAL
+ sg_set_pinsel(85, 1); /* HSDOUT3 -> RXD0 */
+ sg_set_pinsel(88, 1); /* HDDOUT6 -> TXD0 */
+
+ sg_set_pinsel(69, 23); /* PCIOWR -> TXD1 */
+ sg_set_pinsel(70, 23); /* PCIORD -> RXD1 */
+
+ sg_set_pinsel(128, 13); /* XIRQ6 -> TXD2 */
+ sg_set_pinsel(129, 13); /* XIRQ7 -> RXD2 */
+
+ sg_set_pinsel(110, 1); /* SBO0 -> TXD3 */
+ sg_set_pinsel(111, 1); /* SBI0 -> RXD3 */
+#endif
+}