ARM: uniphier: add PH1-LD20 SoC support

This is the first ARMv8 SoC from Socionext Inc.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/init/Makefile b/arch/arm/mach-uniphier/init/Makefile
index 34b15e3..b58e6c8 100644
--- a/arch/arm/mach-uniphier/init/Makefile
+++ b/arch/arm/mach-uniphier/init/Makefile
@@ -11,3 +11,4 @@
 obj-$(CONFIG_ARCH_UNIPHIER_PRO5)	+= init-pro5.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= init-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= init-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= init-ld20.o
diff --git a/arch/arm/mach-uniphier/init/init-ld20.c b/arch/arm/mach-uniphier/init/init-ld20.c
new file mode 100644
index 0000000..0ad264c
--- /dev/null
+++ b/arch/arm/mach-uniphier/init/init-ld20.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+
+#include "../init.h"
+#include "../micro-support-card.h"
+
+int uniphier_ld20_init(const struct uniphier_board_data *bd)
+{
+	uniphier_sbc_init_savepin(bd);
+
+	support_card_reset();
+
+	support_card_init();
+
+	led_puts("L0");
+
+	memconf_init(bd);
+	uniphier_pxs2_memconf_init(bd);
+
+	led_puts("L1");
+
+	uniphier_ld20_early_clk_init(bd);
+
+	led_puts("L2");
+
+	led_puts("L3");
+
+#ifdef CONFIG_SPL_SERIAL_SUPPORT
+	preloader_console_init();
+#endif
+
+	led_puts("L4");
+
+	{
+		int res;
+
+		res = uniphier_ld20_umc_init(bd);
+		if (res < 0) {
+			while (1)
+				;
+		}
+	}
+
+	led_puts("L5");
+
+	return 0;
+}
diff --git a/arch/arm/mach-uniphier/init/init.c b/arch/arm/mach-uniphier/init/init.c
index c56c44c..15a53ce 100644
--- a/arch/arm/mach-uniphier/init/init.c
+++ b/arch/arm/mach-uniphier/init/init.c
@@ -55,6 +55,11 @@
 		uniphier_pxs2_init(param);
 		break;
 #endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD20)
+	case SOC_UNIPHIER_LD20:
+		uniphier_ld20_init(param);
+		break;
+#endif
 	default:
 		break;
 	}