diff --git a/arch/arm/mach-uniphier/Kconfig b/arch/arm/mach-uniphier/Kconfig
index 4724af5..87d1675 100644
--- a/arch/arm/mach-uniphier/Kconfig
+++ b/arch/arm/mach-uniphier/Kconfig
@@ -23,6 +23,11 @@ config ARCH_UNIPHIER_PRO5_PXS2_LD6B
 	bool "UniPhier PH1-Pro5/ProXstream2/PH1-LD6b SoC"
 	select CPU_V7
 
+config ARCH_UNIPHIER_LD20
+	bool "UniPhier PH1-LD20 SoC"
+	select ARM64
+	select SPL_SEPARATE_BSS
+
 endchoice
 
 config ARCH_UNIPHIER_LD4
diff --git a/arch/arm/mach-uniphier/Makefile b/arch/arm/mach-uniphier/Makefile
index 35edca1..774ea99 100644
--- a/arch/arm/mach-uniphier/Makefile
+++ b/arch/arm/mach-uniphier/Makefile
@@ -31,3 +31,4 @@ obj-$(CONFIG_MICRO_SUPPORT_CARD) += micro-support-card.o
 obj-$(CONFIG_DEBUG_UART_UNIPHIER) += debug-uart/
 
 obj-$(CONFIG_CPU_V7) += arm32/
+obj-$(CONFIG_ARM64) += arm64/
diff --git a/arch/arm/mach-uniphier/arm64/Makefile b/arch/arm/mach-uniphier/arm64/Makefile
new file mode 100644
index 0000000..3e69eab
--- /dev/null
+++ b/arch/arm/mach-uniphier/arm64/Makefile
@@ -0,0 +1,8 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj- += dummy.o
+ifndef CONFIG_SPL_BUILD
+obj-y += mem_map.o
+endif
diff --git a/arch/arm/mach-uniphier/arm64/mem_map.c b/arch/arm/mach-uniphier/arm64/mem_map.c
new file mode 100644
index 0000000..74ef919
--- /dev/null
+++ b/arch/arm/mach-uniphier/arm64/mem_map.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <asm/armv8/mmu.h>
+
+static struct mm_region uniphier_mem_map[] = {
+	{
+		.base = 0x00000000,
+		.size = 0x80000000,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	},
+	{
+		.base = 0x80000000,
+		.size = 0xc0000000,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	},
+	{ /* sentinel */ }
+};
+
+struct mm_region *mem_map = uniphier_mem_map;
diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c
index 6e2008c..a440a7e 100644
--- a/arch/arm/mach-uniphier/board_late_init.c
+++ b/arch/arm/mach-uniphier/board_late_init.c
@@ -36,7 +36,7 @@ struct uniphier_fdt_file {
 static const struct uniphier_fdt_file uniphier_fdt_files[] = {
 	{ "socionext,ph1-ld4-ref", "uniphier-ph1-ld4-ref.dtb", },
 	{ "socionext,ph1-ld6b-ref", "uniphier-ph1-ld6b-ref.dtb", },
-	{ "socionext,ph1-ld10-ref", "uniphier-ph1-ld10-ref.dtb", },
+	{ "socionext,ph1-ld20-ref", "uniphier-ph1-ld20-ref.dtb", },
 	{ "socionext,ph1-pro4-ace", "uniphier-ph1-pro4-ace.dtb", },
 	{ "socionext,ph1-pro4-ref", "uniphier-ph1-pro4-ref.dtb", },
 	{ "socionext,ph1-pro4-sanji", "uniphier-ph1-pro4-sanji.dtb", },
diff --git a/arch/arm/mach-uniphier/boards.c b/arch/arm/mach-uniphier/boards.c
index 5e98c3f..7492990 100644
--- a/arch/arm/mach-uniphier/boards.c
+++ b/arch/arm/mach-uniphier/boards.c
@@ -165,6 +165,28 @@ static const struct uniphier_board_data ph1_ld6b_data = {
 };
 #endif
 
+#if defined(CONFIG_ARCH_UNIPHIER_LD20)
+static const struct uniphier_board_data uniphier_ld20_data = {
+	.dram_freq = 1866,
+	.dram_nr_ch = 3,
+	.dram_ch[0] = {
+		.base = 0x80000000,
+		.size = 0x40000000,
+		.width = 32,
+	},
+	.dram_ch[1] = {
+		.base = 0xc0000000,
+		.size = 0x40000000,
+		.width = 32,
+	},
+	.dram_ch[2] = {
+		.base = 0x100000000UL,
+		.size = 0x40000000,
+		.width = 32,
+	},
+};
+#endif
+
 struct uniphier_board_id {
 	const char *compatible;
 	const struct uniphier_board_data *param;
@@ -194,6 +216,9 @@ static const struct uniphier_board_id uniphier_boards[] = {
 #if defined(CONFIG_ARCH_UNIPHIER_LD6B)
 	{ "socionext,ph1-ld6b", &ph1_ld6b_data, },
 #endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD20)
+	{ "socionext,ph1-ld20", &uniphier_ld20_data, },
+#endif
 };
 
 const struct uniphier_board_data *uniphier_get_board_param(void)
diff --git a/arch/arm/mach-uniphier/boot-mode/Makefile b/arch/arm/mach-uniphier/boot-mode/Makefile
index 278df64..6cd096e 100644
--- a/arch/arm/mach-uniphier/boot-mode/Makefile
+++ b/arch/arm/mach-uniphier/boot-mode/Makefile
@@ -11,5 +11,6 @@ obj-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= boot-mode-ld4.o
 obj-$(CONFIG_ARCH_UNIPHIER_PRO5)	+= boot-mode-pro5.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= boot-mode-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= boot-mode-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= boot-mode-ld20.o
 
 obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o
diff --git a/arch/arm/mach-uniphier/boot-mode/boot-device.h b/arch/arm/mach-uniphier/boot-mode/boot-device.h
index 1c59aaa..c05d0cb 100644
--- a/arch/arm/mach-uniphier/boot-mode/boot-device.h
+++ b/arch/arm/mach-uniphier/boot-mode/boot-device.h
@@ -16,11 +16,13 @@ u32 ph1_sld3_boot_device(void);
 u32 ph1_ld4_boot_device(void);
 u32 ph1_pro5_boot_device(void);
 u32 proxstream2_boot_device(void);
+u32 uniphier_ld20_boot_device(void);
 
 void ph1_sld3_boot_mode_show(void);
 void ph1_ld4_boot_mode_show(void);
 void ph1_pro5_boot_mode_show(void);
 void proxstream2_boot_mode_show(void);
+void uniphier_ld20_boot_mode_show(void);
 
 u32 spl_boot_device_raw(void);
 
diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c b/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c
new file mode 100644
index 0000000..100275e
--- /dev/null
+++ b/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <linux/io.h>
+
+#include "../sg-regs.h"
+#include "boot-device.h"
+
+static struct boot_device_info boot_device_table[] = {
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, EraseSize 128KB, Addr 4)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 4)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, EraseSize 128KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, EraseSize 256KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 256KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, EraseSize 512KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 512KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, EraseSize 128KB, Addr 4)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 4)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, EraseSize 128KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, EraseSize 256KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 256KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, EraseSize 512KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 512KB, Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, ONFI,            Addr 4)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI,            Addr 4)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, ONFI,            Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI,            Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, ONFI             Addr 4)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI             Addr 4)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, ONFI             Addr 5)"},
+	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI             Addr 5)"},
+	{BOOT_DEVICE_MMC1, "eMMC (Legacy,         4bit, 1.8V, Training Off)"},
+	{BOOT_DEVICE_MMC1, "eMMC (Legacy,         4bit, 1.8V, Training On)"},
+	{BOOT_DEVICE_MMC1, "eMMC (Legacy,         8bit, 1.8V, Training Off)"},
+	{BOOT_DEVICE_MMC1, "eMMC (Legacy,         8bit, 1.8V, Training On)"},
+	{BOOT_DEVICE_MMC1, "eMMC (High Speed SDR, 8bit, 1.8V, Training Off)"},
+	{BOOT_DEVICE_MMC1, "eMMC (High Speed SDR, 8bit, 1.8V, Training On)"},
+	{BOOT_DEVICE_MMC1, "eMMC (Legacy,         4bit, 1.8V, Training Off)"},
+	{BOOT_DEVICE_NONE, "Reserved"},
+};
+
+static int get_boot_mode_sel(void)
+{
+	return (readl(SG_PINMON0) >> 1) & 0x1f;
+}
+
+u32 uniphier_ld20_boot_device(void)
+{
+	int boot_mode;
+
+	if (~readl(SG_PINMON0) & 0x00000780)
+		return BOOT_DEVICE_USB;
+
+	boot_mode = get_boot_mode_sel();
+
+	return boot_device_table[boot_mode].type;
+}
+
+void uniphier_ld20_boot_mode_show(void)
+{
+	int mode_sel, i;
+
+	mode_sel = get_boot_mode_sel();
+
+	puts("Boot Mode Pin:\n");
+
+	for (i = 0; i < ARRAY_SIZE(boot_device_table); i++)
+		printf(" %c %02x %s\n", i == mode_sel ? '*' : ' ', i,
+		       boot_device_table[i].info);
+}
diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode.c b/arch/arm/mach-uniphier/boot-mode/boot-mode.c
index 317a4f1..84b98c8 100644
--- a/arch/arm/mach-uniphier/boot-mode/boot-mode.c
+++ b/arch/arm/mach-uniphier/boot-mode/boot-mode.c
@@ -39,6 +39,10 @@ u32 spl_boot_device_raw(void)
 	case SOC_UNIPHIER_LD6B:
 		return proxstream2_boot_device();
 #endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD20)
+	case SOC_UNIPHIER_LD20:
+		return uniphier_ld20_boot_device();
+#endif
 	default:
 		return BOOT_DEVICE_NONE;
 	}
diff --git a/arch/arm/mach-uniphier/boot-mode/cmd_pinmon.c b/arch/arm/mach-uniphier/boot-mode/cmd_pinmon.c
index 3a66e2b..076f940 100644
--- a/arch/arm/mach-uniphier/boot-mode/cmd_pinmon.c
+++ b/arch/arm/mach-uniphier/boot-mode/cmd_pinmon.c
@@ -39,6 +39,11 @@ static int do_pinmon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		proxstream2_boot_mode_show();
 		break;
 #endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD20)
+	case SOC_UNIPHIER_LD20:
+		uniphier_ld20_boot_mode_show();
+		break;
+#endif
 	default:
 		break;
 	}
diff --git a/arch/arm/mach-uniphier/cpu_info.c b/arch/arm/mach-uniphier/cpu_info.c
index aae8d1f..f9646c0 100644
--- a/arch/arm/mach-uniphier/cpu_info.c
+++ b/arch/arm/mach-uniphier/cpu_info.c
@@ -48,7 +48,7 @@ int print_cpuinfo(void)
 		puts("PH1-LD11 ()");
 		break;
 	case 0x32:
-		puts("PH1-LD20 ()");
+		puts("PH1-LD20 (SC1401AJ1)");
 		break;
 	default:
 		printf("Unknown Processor ID (0x%x)\n", revision);
diff --git a/arch/arm/mach-uniphier/dram/Makefile b/arch/arm/mach-uniphier/dram/Makefile
index 615ba2c..41aa53b 100644
--- a/arch/arm/mach-uniphier/dram/Makefile
+++ b/arch/arm/mach-uniphier/dram/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= umc-sld8.o \
 					   ddrphy-training.o ddrphy-ld4.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= umc-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= umc-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= umc-ld20.o
 
 else
 
diff --git a/arch/arm/mach-uniphier/dram/umc-ld20.c b/arch/arm/mach-uniphier/dram/umc-ld20.c
new file mode 100644
index 0000000..dd6aca1
--- /dev/null
+++ b/arch/arm/mach-uniphier/dram/umc-ld20.c
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <linux/io.h>
+
+#include "../init.h"
+
+int uniphier_ld20_umc_init(const struct uniphier_board_data *bd)
+{
+	return 0;
+}
diff --git a/arch/arm/mach-uniphier/early-clk/Makefile b/arch/arm/mach-uniphier/early-clk/Makefile
index 59058cd..9242b41 100644
--- a/arch/arm/mach-uniphier/early-clk/Makefile
+++ b/arch/arm/mach-uniphier/early-clk/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= early-clk-ld4.o
 obj-$(CONFIG_ARCH_UNIPHIER_PRO5)	+= early-clk-pro5.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= early-clk-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= early-clk-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= early-clk-ld20.o
diff --git a/arch/arm/mach-uniphier/early-clk/early-clk-ld20.c b/arch/arm/mach-uniphier/early-clk/early-clk-ld20.c
new file mode 100644
index 0000000..5becadb
--- /dev/null
+++ b/arch/arm/mach-uniphier/early-clk/early-clk-ld20.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include "../init.h"
+
+int uniphier_ld20_early_clk_init(const struct uniphier_board_data *bd)
+{
+	return 0;
+}
diff --git a/arch/arm/mach-uniphier/init.h b/arch/arm/mach-uniphier/init.h
index cef9d62..179f031 100644
--- a/arch/arm/mach-uniphier/init.h
+++ b/arch/arm/mach-uniphier/init.h
@@ -32,6 +32,7 @@ int ph1_pro4_init(const struct uniphier_board_data *bd);
 int ph1_sld8_init(const struct uniphier_board_data *bd);
 int ph1_pro5_init(const struct uniphier_board_data *bd);
 int proxstream2_init(const struct uniphier_board_data *bd);
+int uniphier_ld20_init(const struct uniphier_board_data *bd);
 
 #if defined(CONFIG_MICRO_SUPPORT_CARD)
 int sbc_admulti_init(const struct uniphier_board_data *bd);
@@ -91,6 +92,7 @@ int ph1_ld4_umc_init(const struct uniphier_board_data *bd);
 int ph1_pro4_umc_init(const struct uniphier_board_data *bd);
 int ph1_sld8_umc_init(const struct uniphier_board_data *bd);
 int proxstream2_umc_init(const struct uniphier_board_data *bd);
+int uniphier_ld20_umc_init(const struct uniphier_board_data *bd);
 
 void ph1_sld3_pin_init(void);
 void ph1_ld4_pin_init(void);
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-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= init-sld8.o
 obj-$(CONFIG_ARCH_UNIPHIER_PRO5)	+= init-pro5.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= init-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= init-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= init-ld20.o
diff --git a/arch/arm/mach-uniphier/init/init-ld20.c b/arch/arm/mach-uniphier/init/init-ld20.c
new file mode 100644
index 0000000..f3b1401
--- /dev/null
+++ b/arch/arm/mach-uniphier/init/init-ld20.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+
+#include "../init.h"
+#include "../micro-support-card.h"
+
+int uniphier_ld20_init(const struct uniphier_board_data *bd)
+{
+	sbc_savepin_init(bd);
+
+	support_card_reset();
+
+	support_card_init();
+
+	led_puts("L0");
+
+	memconf_init(bd);
+	proxstream2_memconf_init(bd);
+
+	led_puts("L1");
+
+	uniphier_ld20_early_clk_init(bd);
+
+	led_puts("L2");
+
+	led_puts("L3");
+
+#ifdef CONFIG_SPL_SERIAL_SUPPORT
+	preloader_console_init();
+#endif
+
+	led_puts("L4");
+
+	{
+		int res;
+
+		res = uniphier_ld20_umc_init(bd);
+		if (res < 0) {
+			while (1)
+				;
+		}
+	}
+
+	led_puts("L5");
+
+	led_puts("L6");
+
+	return 0;
+}
diff --git a/arch/arm/mach-uniphier/init/init.c b/arch/arm/mach-uniphier/init/init.c
index 7316d51..ac9f4f6 100644
--- a/arch/arm/mach-uniphier/init/init.c
+++ b/arch/arm/mach-uniphier/init/init.c
@@ -55,6 +55,11 @@ void spl_board_init(void)
 		proxstream2_init(param);
 		break;
 #endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD20)
+	case SOC_UNIPHIER_LD20:
+		uniphier_ld20_init(param);
+		break;
+#endif
 	default:
 		break;
 	}
diff --git a/arch/arm/mach-uniphier/memconf/Makefile b/arch/arm/mach-uniphier/memconf/Makefile
index 78bb677..6ed1419 100644
--- a/arch/arm/mach-uniphier/memconf/Makefile
+++ b/arch/arm/mach-uniphier/memconf/Makefile
@@ -6,3 +6,4 @@ obj-y					+= memconf.o
 obj-$(CONFIG_ARCH_UNIPHIER_SLD3)	+= memconf-sld3.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= memconf-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= memconf-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= memconf-pxs2.o
diff --git a/arch/arm/mach-uniphier/memconf/memconf-pxs2.c b/arch/arm/mach-uniphier/memconf/memconf-pxs2.c
index c47fe0a..b6357b1 100644
--- a/arch/arm/mach-uniphier/memconf/memconf-pxs2.c
+++ b/arch/arm/mach-uniphier/memconf/memconf-pxs2.c
@@ -49,6 +49,9 @@ int proxstream2_memconf_init(const struct uniphier_board_data *bd)
 	case SZ_512M:
 		tmp |= SG_MEMCONF_CH2_SZ_512M;
 		break;
+	case SZ_1G:
+		tmp |= SG_MEMCONF_CH2_SZ_1G;
+		break;
 	default:
 		pr_err("error: unsupported DRAM Ch2 size\n");
 		return -EINVAL;
diff --git a/arch/arm/mach-uniphier/sbc/Makefile b/arch/arm/mach-uniphier/sbc/Makefile
index e515af9..3c1e92a 100644
--- a/arch/arm/mach-uniphier/sbc/Makefile
+++ b/arch/arm/mach-uniphier/sbc/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= sbc-savepin.o sbc-ld4.o
 obj-$(CONFIG_ARCH_UNIPHIER_PRO5)	+= sbc-savepin.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= sbc-savepin.o sbc-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= sbc-savepin.o sbc-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= sbc-savepin.o
diff --git a/arch/arm/mach-uniphier/sg-regs.h b/arch/arm/mach-uniphier/sg-regs.h
index 2cdc2db..ee8fac3 100644
--- a/arch/arm/mach-uniphier/sg-regs.h
+++ b/arch/arm/mach-uniphier/sg-regs.h
@@ -50,10 +50,11 @@
 #define SG_MEMCONF_CH2_SZ_128M		((0x0 << 26) | (0x02 << 16))
 #define SG_MEMCONF_CH2_SZ_256M		((0x0 << 26) | (0x03 << 16))
 #define SG_MEMCONF_CH2_SZ_512M		((0x1 << 26) | (0x00 << 16))
+#define SG_MEMCONF_CH2_SZ_1G		((0x1 << 26) | (0x01 << 16))
 #define SG_MEMCONF_CH2_NUM_MASK		(0x1 << 24)
 #define SG_MEMCONF_CH2_NUM_1		(0x1 << 24)
 #define SG_MEMCONF_CH2_NUM_2		(0x0 << 24)
-/* PH1-LD6b, ProXstream2 only */
+/* PH1-LD6b, ProXstream2, PH1-LD20 only */
 #define SG_MEMCONF_CH2_DISABLE		(0x1 << 21)
 
 #define SG_MEMCONF_SPARSEMEM		(0x1 << 4)
diff --git a/configs/uniphier_ld20_defconfig b/configs/uniphier_ld20_defconfig
new file mode 100644
index 0000000..3a5bf02
--- /dev/null
+++ b/configs/uniphier_ld20_defconfig
@@ -0,0 +1,28 @@
+CONFIG_ARM=y
+CONFIG_ARCH_UNIPHIER=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ARCH_UNIPHIER_LD20=y
+CONFIG_MICRO_SUPPORT_CARD=y
+CONFIG_SYS_TEXT_BASE=0x84000000
+CONFIG_DEFAULT_DEVICE_TREE="uniphier-ph1-ld20-ref"
+CONFIG_HUSH_PARSER=y
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_ENV_EXISTS is not set
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_TIME=y
+# CONFIG_CMD_MISC is not set
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_GPIO_UNIPHIER=y
+CONFIG_MMC_UNIPHIER=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_UNIPHIER_SERIAL=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_STORAGE=y
diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h
index 059b034..addef27 100644
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -77,8 +77,7 @@
 /* serial console configuration */
 #define CONFIG_BAUDRATE			115200
 
-
-#if !defined(CONFIG_SPL_BUILD)
+#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_ARM64)
 #define CONFIG_USE_ARCH_MEMSET
 #define CONFIG_USE_ARCH_MEMCPY
 #endif
@@ -105,8 +104,16 @@
 #define CONFIG_SYS_MMC_ENV_DEV		0
 #define CONFIG_SYS_MMC_ENV_PART		1
 
+#ifdef CONFIG_ARM64
+#define COUNTER_FREQUENCY			50000000
+#define CONFIG_GICV3
+#define GICD_BASE				0x5fe00000
+#define GICR_BASE				0x5fe80000
+#else
 /* Time clock 1MHz */
 #define CONFIG_SYS_TIMER_RATE			1000000
+#endif
+
 
 /*
  * By default, ARP timeout is 5 sec.
@@ -252,14 +259,21 @@
 #define CONFIG_SYS_SDRAM_BASE		0x80000000
 #define CONFIG_NR_DRAM_BANKS		2
 
-#if defined(CONFIG_ARCH_UNIPHIER_SLD3) || defined(CONFIG_ARCH_UNIPHIER_LD4) || \
+#if defined(CONFIG_ARM64)
+#define CONFIG_SPL_TEXT_BASE		0x30000000
+#elif defined(CONFIG_ARCH_UNIPHIER_SLD3) || \
+	defined(CONFIG_ARCH_UNIPHIER_LD4) || \
 	defined(CONFIG_ARCH_UNIPHIER_SLD8)
 #define CONFIG_SPL_TEXT_BASE		0x00040000
 #else
 #define CONFIG_SPL_TEXT_BASE		0x00100000
 #endif
 
+#if defined(CONFIG_ARCH_UNIPHIER_LD20)
+#define CONFIG_SPL_STACK		(0x3001c000)
+#else
 #define CONFIG_SPL_STACK		(0x00100000)
+#endif
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE)
 
 #define CONFIG_PANIC_HANG
@@ -267,8 +281,10 @@
 #define CONFIG_SPL_FRAMEWORK
 #define CONFIG_SPL_SERIAL_SUPPORT
 #define CONFIG_SPL_NOR_SUPPORT
+#ifndef CONFIG_ARM64
 #define CONFIG_SPL_NAND_SUPPORT
 #define CONFIG_SPL_MMC_SUPPORT
+#endif
 
 #define CONFIG_SPL_LIBCOMMON_SUPPORT	/* for mem_malloc_init */
 #define CONFIG_SPL_LIBGENERIC_SUPPORT
@@ -284,5 +300,7 @@
 #define CONFIG_SPL_TARGET			"u-boot-with-spl.bin"
 #define CONFIG_SPL_MAX_FOOTPRINT		0x10000
 #define CONFIG_SPL_MAX_SIZE			0x10000
+#define CONFIG_SPL_BSS_START_ADDR		0x30016000
+#define CONFIG_SPL_BSS_MAX_SIZE			0x2000
 
 #endif /* __CONFIG_UNIPHIER_COMMON_H__ */
