1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-pro4/sg_init.c b/arch/arm/mach-uniphier/ph1-pro4/sg_init.c
new file mode 100644
index 0000000000..8677666323
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-pro4/sg_init.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2011-2015 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/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);
+}