diff --git a/arch/arm/mach-uniphier/ph1-ld4/Makefile b/arch/arm/mach-uniphier/ph1-ld4/Makefile
index 789820e0678d6599677085dca904f5ae8bf60d6b..0c198c65e773a523e7d32f24f09404c38a79d8ef 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-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += sbc_init_3cs.o
diff --git a/arch/arm/mach-uniphier/ph1-ld4/sg_init.c b/arch/arm/mach-uniphier/ph1-ld4/sg_init.c
deleted file mode 100644
index dab56e949c1de2f9b8a8faab4fc66e1c71bf5d9a..0000000000000000000000000000000000000000
--- a/arch/arm/mach-uniphier/ph1-ld4/sg_init.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <linux/io.h>
-#include <mach/sg-regs.h>
-
-void sg_init(void)
-{
- u32 tmp;
-
- /* Input ports must be enabled before deasserting reset of cores */
- tmp = readl(SG_IECTRL);
- tmp |= 0x1;
- writel(tmp, SG_IECTRL);
-}
diff --git a/arch/arm/mach-uniphier/ph1-pro4/Makefile b/arch/arm/mach-uniphier/ph1-pro4/Makefile
index 7fdb36a394eaa65aee16fc2e1dd26df650b49caf..afd9235e9b34e425500987b23b6b6f765513f0b7 100644
--- a/arch/arm/mach-uniphier/ph1-pro4/Makefile
+++ b/arch/arm/mach-uniphier/ph1-pro4/Makefile
@@ -4,7 +4,7 @@
ifdef CONFIG_SPL_BUILD
obj-$(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 d6ccffbbc3e002af43978a632e844c5df11b9cdf..0000000000000000000000000000000000000000
--- 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 130c8317366df4f3c44d7cc6ab8fd5ad018cf373..98da1f9fe9be928d4375294dda8aacac209bac4a 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 a808289a56dbedacaa1aa3cb7352c4eb09625bc9..0000000000000000000000000000000000000000
--- 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 86764bcc73bd60a1bdd6bf80bece3b61fcb5fd10..78534fc41ce26c4342bc1a97356a209987a7d38f 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)
{
};