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>

arch/arm/mach-uniphier/ph1-ld4/Makefile

@@ -5,7 +5,7 @@
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
 obj-y += bcu_init.o sg_init.o pll_init.o early_clkrst_init.o \
-	pll_spectrum.o umc_init.o ddrphy_init.o
+	early_pinctrl.o pll_spectrum.o umc_init.o ddrphy_init.o
 obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += sbc_init.o
 obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += sbc_init_3cs.o
 obj-$(CONFIG_SPL_DM) += platdevice.o

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
+}

arch/arm/mach-uniphier/ph1-ld4/pinctrl.c

@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Panasonic Corporation
+ * Copyright (C) 2015      Socionext Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
 #include <asm/io.h>
 #include <mach/sg-regs.h>
 
@@ -14,20 +14,6 @@ void 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
-
 #ifdef CONFIG_NAND_DENALI
 	sg_set_pinsel(158, 0);	/* XNFRE -> XNFRE_GB */
 	sg_set_pinsel(159, 0);	/* XNFWE -> XNFWE_GB */

arch/arm/mach-uniphier/ph1-pro4/Makefile

@@ -5,7 +5,7 @@
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
 obj-y += sg_init.o pll_init.o early_clkrst_init.o \
-	pll_spectrum.o umc_init.o ddrphy_init.o
+	early_pinctrl.o pll_spectrum.o umc_init.o ddrphy_init.o
 obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += sbc_init.o
 obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += sbc_init_3cs.o
 obj-$(CONFIG_SPL_DM) += platdevice.o

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);
+}

arch/arm/mach-uniphier/ph1-pro4/pinctrl.c

@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Panasonic Corporation
+ * Copyright (C) 2015      Socionext Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
 #include <asm/io.h>
 #include <mach/sg-regs.h>
 
@@ -12,17 +12,6 @@ void 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
-
 #ifdef CONFIG_NAND_DENALI
 	sg_set_pinsel(40, 0);	/* NFD0   -> NFD0 */
 	sg_set_pinsel(41, 0);	/* NFD1   -> NFD1 */

arch/arm/mach-uniphier/ph1-sld8/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(70, 3);	/* HDDOUT0 -> TXD0 */
+	sg_set_pinsel(71, 3);	/* HSDOUT1 -> RXD0 */
+
+	sg_set_pinsel(114, 0);	/* TXD1 -> TXD1 */
+	sg_set_pinsel(115, 0);	/* RXD1 -> RXD1 */
+
+	sg_set_pinsel(112, 1);	/* SBO1 -> TXD2 */
+	sg_set_pinsel(113, 1);	/* SBI1 -> RXD2 */
+
+	sg_set_pinsel(110, 1);	/* SBO0 -> TXD3 */
+	sg_set_pinsel(111, 1);	/* SBI0 -> RXD3 */
+#endif
+}

arch/arm/mach-uniphier/ph1-sld8/pinctrl.c

@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Panasonic Corporation
+ * Copyright (C) 2015      Socionext Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
 #include <asm/io.h>
 #include <mach/sg-regs.h>
 
@@ -12,20 +12,6 @@ void pin_init(void)
 {
 	/* Comment format:    PAD Name -> Function Name */
 
-#ifdef CONFIG_UNIPHIER_SERIAL
-	sg_set_pinsel(70, 3);	/* HDDOUT0 -> TXD0 */
-	sg_set_pinsel(71, 3);	/* HSDOUT1 -> RXD0 */
-
-	sg_set_pinsel(114, 0);	/* TXD1 -> TXD1 */
-	sg_set_pinsel(115, 0);	/* RXD1 -> RXD1 */
-
-	sg_set_pinsel(112, 1);	/* SBO1 -> TXD2 */
-	sg_set_pinsel(113, 1);	/* SBI1 -> RXD2 */
-
-	sg_set_pinsel(110, 1);	/* SBO0 -> TXD3 */
-	sg_set_pinsel(111, 1);	/* SBI0 -> RXD3 */
-#endif
-
 #ifdef CONFIG_SYS_I2C_UNIPHIER
 	{
 		u32 tmp;

arch/arm/mach-uniphier/spl.c

@@ -20,6 +20,7 @@ void pll_init(void);
 void pin_init(void);
 void memconf_init(void);
 void early_clkrst_init(void);
+void early_pin_init(void);
 int umc_init(void);
 void enable_dpll_ssc(void);
 
@@ -47,6 +48,10 @@ void spl_board_init(void)
 
 	led_write(L, 2, , );
 
+	early_pin_init();
+
+	led_write(L, 3, , );
+
 	{
 		int res;
 
@@ -56,9 +61,9 @@ void spl_board_init(void)
 				;
 		}
 	}
-	led_write(L, 3, , );
+	led_write(L, 4, , );
 
 	enable_dpll_ssc();
 
-	led_write(L, 4, , );
+	led_write(L, 5, , );
 }