ARM: uniphier: drop ad-hoc input enable settings

These input enable settings are handled by the pinctrl drivers.

Because the external bus pins are input-enabled by default, on-board
devices such as LED still work fine even with this delayed input
enabling.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

7 files changed, 7 insertions, 51 deletions

diff --git a/arch/arm/mach-uniphier/ph1-ld4/Makefile b/arch/arm/mach-uniphier/ph1-ld4/Makefile
index 789820e067..0c198c65e7 100644
--- a/arch/arm/mach-uniphier/ph1-ld4/Makefile
+++ b/arch/arm/mach-uniphier/ph1-ld4/Makefile
@@ -4,7 +4,7 @@
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
-obj-y += bcu_init.o sg_init.o pll_init.o early_clkrst_init.o \
+obj-y += bcu_init.o pll_init.o early_clkrst_init.o \
 	pll_spectrum.o umc_init.o ddrphy_init.o
 obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += sbc_init.o
 obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += sbc_init_3cs.o
diff --git a/arch/arm/mach-uniphier/ph1-ld4/sg_init.c b/arch/arm/mach-uniphier/ph1-ld4/sg_init.c
deleted file mode 100644
index dab56e949c..0000000000
--- a/arch/arm/mach-uniphier/ph1-ld4/sg_init.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <linux/io.h>
-#include <mach/sg-regs.h>
-
-void sg_init(void)
-{
-	u32 tmp;
-
-	/* Input ports must be enabled before deasserting reset of cores */
-	tmp = readl(SG_IECTRL);
-	tmp |= 0x1;
-	writel(tmp, SG_IECTRL);
-}
diff --git a/arch/arm/mach-uniphier/ph1-pro4/Makefile b/arch/arm/mach-uniphier/ph1-pro4/Makefile
index 7fdb36a394..afd9235e9b 100644
--- a/arch/arm/mach-uniphier/ph1-pro4/Makefile
+++ b/arch/arm/mach-uniphier/ph1-pro4/Makefile
@@ -4,7 +4,7 @@
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
-obj-y += sg_init.o pll_init.o early_clkrst_init.o \
+obj-y += pll_init.o early_clkrst_init.o \
 	pll_spectrum.o umc_init.o ddrphy_init.o
 obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += sbc_init.o
 obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += sbc_init_3cs.o
diff --git a/arch/arm/mach-uniphier/ph1-pro4/sg_init.c b/arch/arm/mach-uniphier/ph1-pro4/sg_init.c
deleted file mode 100644
index d6ccffbbc3..0000000000
--- a/arch/arm/mach-uniphier/ph1-pro4/sg_init.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <linux/io.h>
-#include <mach/sg-regs.h>
-
-void sg_init(void)
-{
-	u32 tmp;
-
-	/* Input ports must be enabled before deasserting reset of cores */
-	tmp = readl(SG_IECTRL);
-	tmp |= 1 << 6;
-	writel(tmp, SG_IECTRL);
-}
diff --git a/arch/arm/mach-uniphier/ph1-sld8/pinctrl.c b/arch/arm/mach-uniphier/ph1-sld8/pinctrl.c
index 130c831736..98da1f9fe9 100644
--- a/arch/arm/mach-uniphier/ph1-sld8/pinctrl.c
+++ b/arch/arm/mach-uniphier/ph1-sld8/pinctrl.c
@@ -11,15 +11,6 @@ void pin_init(void)
 {
 	/* Comment format:    PAD Name -> Function Name */
 
-#ifdef CONFIG_SYS_I2C_UNIPHIER
-	{
-		u32 tmp;
-		tmp = readl(SG_IECTRL);
-		tmp |= 0xc00; /* enable SCL0, SDA0, SCL1, SDA1 */
-		writel(tmp, SG_IECTRL);
-	}
-#endif
-
 #ifdef CONFIG_NAND_DENALI
 	sg_set_pinsel(15, 0);	/* XNFRE_GB -> XNFRE_GB */
 	sg_set_pinsel(16, 0);	/* XNFWE_GB -> XNFWE_GB */
diff --git a/arch/arm/mach-uniphier/ph1-sld8/sg_init.c b/arch/arm/mach-uniphier/ph1-sld8/sg_init.c
deleted file mode 100644
index a808289a56..0000000000
--- a/arch/arm/mach-uniphier/ph1-sld8/sg_init.c
+++ /dev/null
@@ -1 +0,0 @@
-#include "../ph1-ld4/sg_init.c"
diff --git a/arch/arm/mach-uniphier/spl.c b/arch/arm/mach-uniphier/spl.c
index 86764bcc73..78534fc41c 100644
--- a/arch/arm/mach-uniphier/spl.c
+++ b/arch/arm/mach-uniphier/spl.c
@@ -1,7 +1,5 @@
 /*
- * Copyright (C) 2013-2015 Panasonic Corporation
- * Copyright (C) 2015      Socionext Inc.
- *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ * Copyright (C) 2013-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -16,6 +14,10 @@ void __weak bcu_init(void)
 {
 };
 
+void __weak sg_init(void)
+{
+};
+
 void __weak early_pin_init(void)
 {
 };