Patchwork [U-Boot,v3,1/2] exynos5250: Add arndale board support

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Submitter Inderpal Singh
Date July 2, 2013, 4:41 a.m.
Message ID <1372740112-21225-2-git-send-email-inderpal.singh@linaro.org>
Download mbox | patch
Permalink /patch/256267/
State Changes Requested
Delegated to: Minkyu Kang
Headers show

Comments

Inderpal Singh - July 2, 2013, 4:41 a.m.
Arndale board is based on samsung's exynos5250 soc.

Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
---
 MAINTAINERS                              |    4 +
 board/samsung/arndale/Makefile           |   58 +++
 board/samsung/arndale/arndale.c          |  103 +++++
 board/samsung/arndale/arndale_spl.c      |   66 +++
 board/samsung/arndale/clock_init.c       |  655 ++++++++++++++++++++++++++++++
 board/samsung/arndale/clock_init.h       |  149 +++++++
 board/samsung/arndale/dmc_common.c       |  199 +++++++++
 board/samsung/arndale/dmc_init_ddr3.c    |  228 +++++++++++
 board/samsung/arndale/lowlevel_init.S    |   92 +++++
 board/samsung/arndale/mmc_boot.c         |   58 +++
 board/samsung/arndale/setup.h            |  569 ++++++++++++++++++++++++++
 board/samsung/dts/exynos5250-arndale.dts |   23 ++
 boards.cfg                               |    1 +
 include/configs/arndale.h                |   36 ++
 14 files changed, 2241 insertions(+)
 create mode 100644 board/samsung/arndale/Makefile
 create mode 100644 board/samsung/arndale/arndale.c
 create mode 100644 board/samsung/arndale/arndale_spl.c
 create mode 100644 board/samsung/arndale/clock_init.c
 create mode 100644 board/samsung/arndale/clock_init.h
 create mode 100644 board/samsung/arndale/dmc_common.c
 create mode 100644 board/samsung/arndale/dmc_init_ddr3.c
 create mode 100644 board/samsung/arndale/lowlevel_init.S
 create mode 100644 board/samsung/arndale/mmc_boot.c
 create mode 100644 board/samsung/arndale/setup.h
 create mode 100644 board/samsung/dts/exynos5250-arndale.dts
 create mode 100644 include/configs/arndale.h
Minkyu Kang - July 2, 2013, 6:36 a.m.
Dear Inderpal Singh,

On 02/07/13 13:41, Inderpal Singh wrote:
> Arndale board is based on samsung's exynos5250 soc.
> 
> Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
> ---
>  MAINTAINERS                              |    4 +
>  board/samsung/arndale/Makefile           |   58 +++
>  board/samsung/arndale/arndale.c          |  103 +++++
>  board/samsung/arndale/arndale_spl.c      |   66 +++
>  board/samsung/arndale/clock_init.c       |  655 ++++++++++++++++++++++++++++++
>  board/samsung/arndale/clock_init.h       |  149 +++++++
>  board/samsung/arndale/dmc_common.c       |  199 +++++++++
>  board/samsung/arndale/dmc_init_ddr3.c    |  228 +++++++++++
>  board/samsung/arndale/lowlevel_init.S    |   92 +++++
>  board/samsung/arndale/mmc_boot.c         |   58 +++
>  board/samsung/arndale/setup.h            |  569 ++++++++++++++++++++++++++
>  board/samsung/dts/exynos5250-arndale.dts |   23 ++
>  boards.cfg                               |    1 +
>  include/configs/arndale.h                |   36 ++
>  14 files changed, 2241 insertions(+)
>  create mode 100644 board/samsung/arndale/Makefile
>  create mode 100644 board/samsung/arndale/arndale.c
>  create mode 100644 board/samsung/arndale/arndale_spl.c
>  create mode 100644 board/samsung/arndale/clock_init.c
>  create mode 100644 board/samsung/arndale/clock_init.h
>  create mode 100644 board/samsung/arndale/dmc_common.c
>  create mode 100644 board/samsung/arndale/dmc_init_ddr3.c
>  create mode 100644 board/samsung/arndale/lowlevel_init.S
>  create mode 100644 board/samsung/arndale/mmc_boot.c
>  create mode 100644 board/samsung/arndale/setup.h
>  create mode 100644 board/samsung/dts/exynos5250-arndale.dts
>  create mode 100644 include/configs/arndale.h
> 

This patch seems to conflict with Rajeshwari's patch.
http://patchwork.ozlabs.org/patch/256058/

So, this patch  will be pending until merge.

Thanks,
Minkyu Kang.

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index 7820375..e1b6808 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -743,6 +743,10 @@  Chander Kashyap <k.chander@samsung.com>
 	SMDKV310		ARM ARMV7 (EXYNOS4210 SoC)
 	SMDK5250		ARM ARMV7 (EXYNOS5250 SoC)
 
+Inderpal Singh <inderpal.singh@linaro.org>
+
+	Arndale			ARM ARMV7 (EXYNOS5250 SoC)
+
 Lukasz Majewski <l.majewski@samsung.com>
 
 	trats			ARM ARMV7 (EXYNOS4210 SoC)
diff --git a/board/samsung/arndale/Makefile b/board/samsung/arndale/Makefile
new file mode 100644
index 0000000..6a15d34
--- /dev/null
+++ b/board/samsung/arndale/Makefile
@@ -0,0 +1,58 @@ 
+#
+# Copyright (C) 2013 Samsung Electronics
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+SOBJS	:= lowlevel_init.o
+
+COBJS	:= clock_init.o
+COBJS	+= dmc_common.o dmc_init_ddr3.o
+COBJS	+= arndale_spl.o
+
+ifndef CONFIG_SPL_BUILD
+COBJS	+= arndale.o
+endif
+
+ifdef CONFIG_SPL_BUILD
+COBJS	+= mmc_boot.o
+endif
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+ALL	:=	 $(obj).depend $(LIB)
+
+all:	$(ALL)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/samsung/arndale/arndale.c b/board/samsung/arndale/arndale.c
new file mode 100644
index 0000000..627583b
--- /dev/null
+++ b/board/samsung/arndale/arndale.c
@@ -0,0 +1,103 @@ 
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/power.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+	return 0;
+}
+
+int dram_init(void)
+{
+	int i;
+	u32 addr;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+		gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+	}
+	return 0;
+}
+
+int power_init_board(void)
+{
+	set_ps_hold_ctrl();
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	int i;
+	u32 addr, size;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+		size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+
+		gd->bd->bi_dram[i].start = addr;
+		gd->bd->bi_dram[i].size = size;
+	}
+}
+
+static int board_uart_init(void)
+{
+	int err, uart_id, ret = 0;
+
+	for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
+		err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
+		if (err) {
+			debug("UART%d not configured\n",
+					 (uart_id - PERIPH_ID_UART0));
+			ret |= err;
+		}
+	}
+	return ret;
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+	int err;
+	err = board_uart_init();
+	if (err) {
+		debug("UART init failed\n");
+		return err;
+	}
+	return err;
+}
+#endif
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	printf("\nBoard: Arndale\n");
+
+	return 0;
+}
+#endif
+
diff --git a/board/samsung/arndale/arndale_spl.c b/board/samsung/arndale/arndale_spl.c
new file mode 100644
index 0000000..8135708
--- /dev/null
+++ b/board/samsung/arndale/arndale_spl.c
@@ -0,0 +1,66 @@ 
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/spl.h>
+
+#define SIGNATURE	0xdeadbeef
+
+/* Parameters of early board initialization in SPL */
+static struct spl_machine_param machine_param
+		__attribute__((section(".machine_param"))) = {
+	.signature	= SIGNATURE,
+	.version	= 1,
+	.params		= "vmubfasirM",
+	.size		= sizeof(machine_param),
+
+	.mem_iv_size	= 0x1f,
+	.mem_type	= DDR_MODE_DDR3,
+
+	/*
+	 * Set uboot_size to 0x100000 bytes.
+	 *
+	 * This is an overly conservative value chosen to accommodate all
+	 * possible U-Boot image.  You are advised to set this value to a
+	 * smaller realistic size via scripts that modifies the .machine_param
+	 * section of output U-Boot image.
+	 */
+	.uboot_size	= 0x100000,
+
+	.boot_source	= BOOT_MODE_OM,
+	.frequency_mhz	= 800,
+	.arm_freq_mhz	= 1000,
+	.serial_base	= 0x12c30000,
+	.i2c_base	= 0x12c60000,
+	.mem_manuf	= MEM_MANUF_SAMSUNG,
+};
+
+struct spl_machine_param *spl_get_machine_params(void)
+{
+	if (machine_param.signature != SIGNATURE) {
+		/* Will hang if SIGNATURE dont match */
+		while (1)
+			;
+	}
+
+	return &machine_param;
+}
diff --git a/board/samsung/arndale/clock_init.c b/board/samsung/arndale/clock_init.c
new file mode 100644
index 0000000..a9b0bbd
--- /dev/null
+++ b/board/samsung/arndale/clock_init.c
@@ -0,0 +1,655 @@ 
+/*
+ * Clock setup for Arndale board based on EXYNOS5
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <config.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/spl.h>
+
+#include "clock_init.h"
+#include "setup.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct arm_clk_ratios arm_clk_ratios[] = {
+	{
+		.arm_freq_mhz = 600,
+
+		.apll_mdiv = 0xc8,
+		.apll_pdiv = 0x4,
+		.apll_sdiv = 0x1,
+
+		.arm2_ratio = 0x0,
+		.apll_ratio = 0x1,
+		.pclk_dbg_ratio = 0x1,
+		.atb_ratio = 0x2,
+		.periph_ratio = 0x7,
+		.acp_ratio = 0x7,
+		.cpud_ratio = 0x1,
+		.arm_ratio = 0x0,
+	}, {
+		.arm_freq_mhz = 800,
+
+		.apll_mdiv = 0x64,
+		.apll_pdiv = 0x3,
+		.apll_sdiv = 0x0,
+
+		.arm2_ratio = 0x0,
+		.apll_ratio = 0x1,
+		.pclk_dbg_ratio = 0x1,
+		.atb_ratio = 0x3,
+		.periph_ratio = 0x7,
+		.acp_ratio = 0x7,
+		.cpud_ratio = 0x2,
+		.arm_ratio = 0x0,
+	}, {
+		.arm_freq_mhz = 1000,
+
+		.apll_mdiv = 0x7d,
+		.apll_pdiv = 0x3,
+		.apll_sdiv = 0x0,
+
+		.arm2_ratio = 0x0,
+		.apll_ratio = 0x1,
+		.pclk_dbg_ratio = 0x1,
+		.atb_ratio = 0x4,
+		.periph_ratio = 0x7,
+		.acp_ratio = 0x7,
+		.cpud_ratio = 0x2,
+		.arm_ratio = 0x0,
+	}, {
+		.arm_freq_mhz = 1200,
+
+		.apll_mdiv = 0x96,
+		.apll_pdiv = 0x3,
+		.apll_sdiv = 0x0,
+
+		.arm2_ratio = 0x0,
+		.apll_ratio = 0x3,
+		.pclk_dbg_ratio = 0x1,
+		.atb_ratio = 0x5,
+		.periph_ratio = 0x7,
+		.acp_ratio = 0x7,
+		.cpud_ratio = 0x3,
+		.arm_ratio = 0x0,
+	}, {
+		.arm_freq_mhz = 1400,
+
+		.apll_mdiv = 0xaf,
+		.apll_pdiv = 0x3,
+		.apll_sdiv = 0x0,
+
+		.arm2_ratio = 0x0,
+		.apll_ratio = 0x3,
+		.pclk_dbg_ratio = 0x1,
+		.atb_ratio = 0x6,
+		.periph_ratio = 0x7,
+		.acp_ratio = 0x7,
+		.cpud_ratio = 0x3,
+		.arm_ratio = 0x0,
+	}, {
+		.arm_freq_mhz = 1700,
+
+		.apll_mdiv = 0x1a9,
+		.apll_pdiv = 0x6,
+		.apll_sdiv = 0x0,
+
+		.arm2_ratio = 0x0,
+		.apll_ratio = 0x3,
+		.pclk_dbg_ratio = 0x1,
+		.atb_ratio = 0x6,
+		.periph_ratio = 0x7,
+		.acp_ratio = 0x7,
+		.cpud_ratio = 0x3,
+		.arm_ratio = 0x0,
+	}
+};
+struct mem_timings mem_timings[] = {
+	{
+		.mem_manuf = MEM_MANUF_ELPIDA,
+		.mem_type = DDR_MODE_DDR3,
+		.frequency_mhz = 800,
+		.mpll_mdiv = 0xc8,
+		.mpll_pdiv = 0x3,
+		.mpll_sdiv = 0x0,
+		.cpll_mdiv = 0xde,
+		.cpll_pdiv = 0x4,
+		.cpll_sdiv = 0x2,
+		.gpll_mdiv = 0x215,
+		.gpll_pdiv = 0xc,
+		.gpll_sdiv = 0x1,
+		.epll_mdiv = 0x60,
+		.epll_pdiv = 0x3,
+		.epll_sdiv = 0x3,
+		.vpll_mdiv = 0x96,
+		.vpll_pdiv = 0x3,
+		.vpll_sdiv = 0x2,
+
+		.bpll_mdiv = 0x64,
+		.bpll_pdiv = 0x3,
+		.bpll_sdiv = 0x0,
+		.pclk_cdrex_ratio = 0x5,
+		.direct_cmd_msr = {
+			0x00020018, 0x00030000, 0x00010042, 0x00000d70
+		},
+		.timing_ref = 0x000000bb,
+		.timing_row = 0x8c36650e,
+		.timing_data = 0x3630580b,
+		.timing_power = 0x41000a44,
+		.phy0_dqs = 0x08080808,
+		.phy1_dqs = 0x08080808,
+		.phy0_dq = 0x08080808,
+		.phy1_dq = 0x08080808,
+		.phy0_tFS = 0x4,
+		.phy1_tFS = 0x4,
+		.phy0_pulld_dqs = 0xf,
+		.phy1_pulld_dqs = 0xf,
+
+		.lpddr3_ctrl_phy_reset = 0x1,
+		.ctrl_start_point = 0x10,
+		.ctrl_inc = 0x10,
+		.ctrl_start = 0x1,
+		.ctrl_dll_on = 0x1,
+		.ctrl_ref = 0x8,
+
+		.ctrl_force = 0x1a,
+		.ctrl_rdlat = 0x0b,
+		.ctrl_bstlen = 0x08,
+
+		.fp_resync = 0x8,
+		.iv_size = 0x7,
+		.dfi_init_start = 1,
+		.aref_en = 1,
+
+		.rd_fetch = 0x3,
+
+		.zq_mode_dds = 0x7,
+		.zq_mode_term = 0x1,
+		.zq_mode_noterm = 0,
+
+		/*
+		* Dynamic Clock: Always Running
+		* Memory Burst length: 8
+		* Number of chips: 1
+		* Memory Bus width: 32 bit
+		* Memory Type: DDR3
+		* Additional Latancy for PLL: 0 Cycle
+		*/
+		.memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
+			DMC_MEMCONTROL_DPWRDN_DISABLE |
+			DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
+			DMC_MEMCONTROL_TP_DISABLE |
+			DMC_MEMCONTROL_DSREF_ENABLE |
+			DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
+			DMC_MEMCONTROL_MEM_TYPE_DDR3 |
+			DMC_MEMCONTROL_MEM_WIDTH_32BIT |
+			DMC_MEMCONTROL_NUM_CHIP_1 |
+			DMC_MEMCONTROL_BL_8 |
+			DMC_MEMCONTROL_PZQ_DISABLE |
+			DMC_MEMCONTROL_MRR_BYTE_7_0,
+		.memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
+			DMC_MEMCONFIGx_CHIP_COL_10 |
+			DMC_MEMCONFIGx_CHIP_ROW_15 |
+			DMC_MEMCONFIGx_CHIP_BANK_8,
+		.membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
+		.membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
+		.prechconfig_tp_cnt = 0xff,
+		.dpwrdn_cyc = 0xff,
+		.dsref_cyc = 0xffff,
+		.concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
+			DMC_CONCONTROL_TIMEOUT_LEVEL0 |
+			DMC_CONCONTROL_RD_FETCH_DISABLE |
+			DMC_CONCONTROL_EMPTY_DISABLE |
+			DMC_CONCONTROL_AREF_EN_DISABLE |
+			DMC_CONCONTROL_IO_PD_CON_DISABLE,
+		.dmc_channels = 2,
+		.chips_per_channel = 2,
+		.chips_to_configure = 1,
+		.send_zq_init = 1,
+		.impedance = IMP_OUTPUT_DRV_30_OHM,
+		.gate_leveling_enable = 0,
+	}, {
+		.mem_manuf = MEM_MANUF_SAMSUNG,
+		.mem_type = DDR_MODE_DDR3,
+		.frequency_mhz = 800,
+		.mpll_mdiv = 0xc8,
+		.mpll_pdiv = 0x3,
+		.mpll_sdiv = 0x0,
+		.cpll_mdiv = 0xde,
+		.cpll_pdiv = 0x4,
+		.cpll_sdiv = 0x2,
+		.gpll_mdiv = 0x215,
+		.gpll_pdiv = 0xc,
+		.gpll_sdiv = 0x1,
+		.epll_mdiv = 0x60,
+		.epll_pdiv = 0x3,
+		.epll_sdiv = 0x3,
+		.vpll_mdiv = 0x96,
+		.vpll_pdiv = 0x3,
+		.vpll_sdiv = 0x2,
+
+		.bpll_mdiv = 0x64,
+		.bpll_pdiv = 0x3,
+		.bpll_sdiv = 0x0,
+		.pclk_cdrex_ratio = 0x5,
+		.direct_cmd_msr = {
+			0x00020018, 0x00030000, 0x00010000, 0x00000d70
+		},
+		.timing_ref = 0x000000bb,
+		.timing_row = 0x8c36650e,
+		.timing_data = 0x3630580b,
+		.timing_power = 0x41000a44,
+		.phy0_dqs = 0x08080808,
+		.phy1_dqs = 0x08080808,
+		.phy0_dq = 0x08080808,
+		.phy1_dq = 0x08080808,
+		.phy0_tFS = 0x8,
+		.phy1_tFS = 0x8,
+		.phy0_pulld_dqs = 0xf,
+		.phy1_pulld_dqs = 0xf,
+
+		.lpddr3_ctrl_phy_reset = 0x1,
+		.ctrl_start_point = 0x10,
+		.ctrl_inc = 0x10,
+		.ctrl_start = 0x1,
+		.ctrl_dll_on = 0x1,
+		.ctrl_ref = 0x8,
+
+		.ctrl_force = 0x1a,
+		.ctrl_rdlat = 0x0b,
+		.ctrl_bstlen = 0x08,
+
+		.fp_resync = 0x8,
+		.iv_size = 0x7,
+		.dfi_init_start = 1,
+		.aref_en = 1,
+
+		.rd_fetch = 0x3,
+
+		.zq_mode_dds = 0x5,
+		.zq_mode_term = 0x1,
+		.zq_mode_noterm = 1,
+
+		/*
+		* Dynamic Clock: Always Running
+		* Memory Burst length: 8
+		* Number of chips: 1
+		* Memory Bus width: 32 bit
+		* Memory Type: DDR3
+		* Additional Latancy for PLL: 0 Cycle
+		*/
+		.memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
+			DMC_MEMCONTROL_DPWRDN_DISABLE |
+			DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
+			DMC_MEMCONTROL_TP_DISABLE |
+			DMC_MEMCONTROL_DSREF_ENABLE |
+			DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
+			DMC_MEMCONTROL_MEM_TYPE_DDR3 |
+			DMC_MEMCONTROL_MEM_WIDTH_32BIT |
+			DMC_MEMCONTROL_NUM_CHIP_1 |
+			DMC_MEMCONTROL_BL_8 |
+			DMC_MEMCONTROL_PZQ_DISABLE |
+			DMC_MEMCONTROL_MRR_BYTE_7_0,
+		.memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
+			DMC_MEMCONFIGx_CHIP_COL_10 |
+			DMC_MEMCONFIGx_CHIP_ROW_15 |
+			DMC_MEMCONFIGx_CHIP_BANK_8,
+		.membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
+		.membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
+		.prechconfig_tp_cnt = 0xff,
+		.dpwrdn_cyc = 0xff,
+		.dsref_cyc = 0xffff,
+		.concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
+			DMC_CONCONTROL_TIMEOUT_LEVEL0 |
+			DMC_CONCONTROL_RD_FETCH_DISABLE |
+			DMC_CONCONTROL_EMPTY_DISABLE |
+			DMC_CONCONTROL_AREF_EN_DISABLE |
+			DMC_CONCONTROL_IO_PD_CON_DISABLE,
+		.dmc_channels = 2,
+		.chips_per_channel = 2,
+		.chips_to_configure = 1,
+		.send_zq_init = 1,
+		.impedance = IMP_OUTPUT_DRV_40_OHM,
+		.gate_leveling_enable = 1,
+	}
+};
+
+/**
+ * Get the required memory type and speed (SPL version).
+ *
+ * In SPL we have no device tree, so we use the machine parameters
+ *
+ * @param mem_type	Returns memory type
+ * @param frequency_mhz	Returns memory speed in MHz
+ * @param arm_freq	Returns ARM clock speed in MHz
+ * @param mem_manuf	Return Memory Manufacturer name
+ * @return 0 if all ok
+ */
+static int clock_get_mem_selection(enum ddr_mode *mem_type,
+		unsigned *frequency_mhz, unsigned *arm_freq,
+		enum mem_manuf *mem_manuf)
+{
+	struct spl_machine_param *params;
+
+	params = spl_get_machine_params();
+	*mem_type = params->mem_type;
+	*frequency_mhz = params->frequency_mhz;
+	*arm_freq = params->arm_freq_mhz;
+	*mem_manuf = params->mem_manuf;
+
+	return 0;
+}
+
+/* Get the ratios for setting ARM clock */
+struct arm_clk_ratios *get_arm_ratios(void)
+{
+	struct arm_clk_ratios *arm_ratio;
+	enum ddr_mode mem_type;
+	enum mem_manuf mem_manuf;
+	unsigned frequency_mhz, arm_freq;
+	int i;
+
+	if (clock_get_mem_selection(&mem_type, &frequency_mhz,
+					&arm_freq, &mem_manuf))
+		;
+	for (i = 0, arm_ratio = arm_clk_ratios; i < ARRAY_SIZE(arm_clk_ratios);
+		i++, arm_ratio++) {
+		if (arm_ratio->arm_freq_mhz == arm_freq)
+			return arm_ratio;
+	}
+
+	/* will hang if failed to find clock ratio */
+	while (1)
+		;
+
+	return NULL;
+}
+
+struct mem_timings *clock_get_mem_timings(void)
+{
+	struct mem_timings *mem;
+	enum ddr_mode mem_type;
+	enum mem_manuf mem_manuf;
+	unsigned frequency_mhz, arm_freq;
+	int i;
+
+	if (!clock_get_mem_selection(&mem_type, &frequency_mhz,
+						&arm_freq, &mem_manuf)) {
+		for (i = 0, mem = mem_timings; i < ARRAY_SIZE(mem_timings);
+				i++, mem++) {
+			if (mem->mem_type == mem_type &&
+					mem->frequency_mhz == frequency_mhz &&
+					mem->mem_manuf == mem_manuf)
+				return mem;
+		}
+	}
+
+	/* will hang if failed to find memory timings */
+	while (1)
+		;
+
+	return NULL;
+}
+
+void system_clock_init()
+{
+	struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
+	struct mem_timings *mem;
+	struct arm_clk_ratios *arm_clk_ratio;
+	u32 val, tmp;
+
+	mem = clock_get_mem_timings();
+	arm_clk_ratio = get_arm_ratios();
+
+	clrbits_le32(&clk->src_cpu, MUX_APLL_SEL_MASK);
+	do {
+		val = readl(&clk->mux_stat_cpu);
+	} while ((val | MUX_APLL_SEL_MASK) != val);
+
+	clrbits_le32(&clk->src_core1, MUX_MPLL_SEL_MASK);
+	do {
+		val = readl(&clk->mux_stat_core1);
+	} while ((val | MUX_MPLL_SEL_MASK) != val);
+
+	clrbits_le32(&clk->src_core1, MUX_CPLL_SEL_MASK);
+	clrbits_le32(&clk->src_core1, MUX_EPLL_SEL_MASK);
+	clrbits_le32(&clk->src_core1, MUX_VPLL_SEL_MASK);
+	clrbits_le32(&clk->src_core1, MUX_GPLL_SEL_MASK);
+	tmp = MUX_CPLL_SEL_MASK | MUX_EPLL_SEL_MASK | MUX_VPLL_SEL_MASK
+		| MUX_GPLL_SEL_MASK;
+	do {
+		val = readl(&clk->mux_stat_top2);
+	} while ((val | tmp) != val);
+
+	clrbits_le32(&clk->src_cdrex, MUX_BPLL_SEL_MASK);
+	do {
+		val = readl(&clk->mux_stat_cdrex);
+	} while ((val | MUX_BPLL_SEL_MASK) != val);
+
+	/* PLL locktime */
+	writel(APLL_LOCK_VAL, &clk->apll_lock);
+
+	writel(MPLL_LOCK_VAL, &clk->mpll_lock);
+
+	writel(BPLL_LOCK_VAL, &clk->bpll_lock);
+
+	writel(CPLL_LOCK_VAL, &clk->cpll_lock);
+
+	writel(GPLL_LOCK_VAL, &clk->gpll_lock);
+
+	writel(EPLL_LOCK_VAL, &clk->epll_lock);
+
+	writel(VPLL_LOCK_VAL, &clk->vpll_lock);
+
+	writel(CLK_REG_DISABLE, &clk->pll_div2_sel);
+
+	writel(MUX_HPM_SEL_MASK, &clk->src_cpu);
+	do {
+		val = readl(&clk->mux_stat_cpu);
+	} while ((val | HPM_SEL_SCLK_MPLL) != val);
+
+	val = arm_clk_ratio->arm2_ratio << 28
+		| arm_clk_ratio->apll_ratio << 24
+		| arm_clk_ratio->pclk_dbg_ratio << 20
+		| arm_clk_ratio->atb_ratio << 16
+		| arm_clk_ratio->periph_ratio << 12
+		| arm_clk_ratio->acp_ratio << 8
+		| arm_clk_ratio->cpud_ratio << 4
+		| arm_clk_ratio->arm_ratio;
+	writel(val, &clk->div_cpu0);
+	do {
+		val = readl(&clk->div_stat_cpu0);
+	} while (0 != val);
+
+	writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1);
+	do {
+		val = readl(&clk->div_stat_cpu1);
+	} while (0 != val);
+
+	/* Set APLL */
+	writel(APLL_CON1_VAL, &clk->apll_con1);
+	val = set_pll(arm_clk_ratio->apll_mdiv, arm_clk_ratio->apll_pdiv,
+			arm_clk_ratio->apll_sdiv);
+	writel(val, &clk->apll_con0);
+	while (readl(&clk->apll_con0) & APLL_CON0_LOCKED)
+		;
+
+	/* Set MPLL */
+	writel(MPLL_CON1_VAL, &clk->mpll_con1);
+	val = set_pll(mem->mpll_mdiv, mem->mpll_pdiv, mem->mpll_sdiv);
+	writel(val, &clk->mpll_con0);
+	while (readl(&clk->mpll_con0) & MPLL_CON0_LOCKED)
+		;
+
+	/* Set BPLL */
+	writel(BPLL_CON1_VAL, &clk->bpll_con1);
+	val = set_pll(mem->bpll_mdiv, mem->bpll_pdiv, mem->bpll_sdiv);
+	writel(val, &clk->bpll_con0);
+	while (readl(&clk->bpll_con0) & BPLL_CON0_LOCKED)
+		;
+
+	/* Set CPLL */
+	writel(CPLL_CON1_VAL, &clk->cpll_con1);
+	val = set_pll(mem->cpll_mdiv, mem->cpll_pdiv, mem->cpll_sdiv);
+	writel(val, &clk->cpll_con0);
+	while (readl(&clk->cpll_con0) & CPLL_CON0_LOCKED)
+		;
+
+	/* Set GPLL */
+	writel(GPLL_CON1_VAL, &clk->gpll_con1);
+	val = set_pll(mem->gpll_mdiv, mem->gpll_pdiv, mem->gpll_sdiv);
+	writel(val, &clk->gpll_con0);
+	while (readl(&clk->gpll_con0) & GPLL_CON0_LOCKED)
+		;
+
+	/* Set EPLL */
+	writel(EPLL_CON2_VAL, &clk->epll_con2);
+	writel(EPLL_CON1_VAL, &clk->epll_con1);
+	val = set_pll(mem->epll_mdiv, mem->epll_pdiv, mem->epll_sdiv);
+	writel(val, &clk->epll_con0);
+	while (readl(&clk->epll_con0) & EPLL_CON0_LOCKED)
+		;
+
+	/* Set VPLL */
+	writel(VPLL_CON2_VAL, &clk->vpll_con2);
+	writel(VPLL_CON1_VAL, &clk->vpll_con1);
+	val = set_pll(mem->vpll_mdiv, mem->vpll_pdiv, mem->vpll_sdiv);
+	writel(val, &clk->vpll_con0);
+	while (readl(&clk->vpll_con0) & VPLL_CON0_LOCKED)
+		;
+
+	writel(CLK_SRC_CORE0_VAL, &clk->src_core0);
+	writel(CLK_DIV_CORE0_VAL, &clk->div_core0);
+	while (readl(&clk->div_stat_core0) != 0)
+		;
+
+	writel(CLK_DIV_CORE1_VAL, &clk->div_core1);
+	while (readl(&clk->div_stat_core1) != 0)
+		;
+
+	writel(CLK_DIV_SYSRGT_VAL, &clk->div_sysrgt);
+	while (readl(&clk->div_stat_sysrgt) != 0)
+		;
+
+	writel(CLK_DIV_ACP_VAL, &clk->div_acp);
+	while (readl(&clk->div_stat_acp) != 0)
+		;
+
+	writel(CLK_DIV_SYSLFT_VAL, &clk->div_syslft);
+	while (readl(&clk->div_stat_syslft) != 0)
+		;
+
+	writel(CLK_SRC_TOP0_VAL, &clk->src_top0);
+	writel(CLK_SRC_TOP1_VAL, &clk->src_top1);
+	writel(TOP2_VAL, &clk->src_top2);
+	writel(CLK_SRC_TOP3_VAL, &clk->src_top3);
+
+	writel(CLK_DIV_TOP0_VAL, &clk->div_top0);
+	while (readl(&clk->div_stat_top0))
+		;
+
+	writel(CLK_DIV_TOP1_VAL, &clk->div_top1);
+	while (readl(&clk->div_stat_top1))
+		;
+
+	writel(CLK_SRC_LEX_VAL, &clk->src_lex);
+	while (1) {
+		val = readl(&clk->mux_stat_lex);
+		if (val == (val | 1))
+			break;
+	}
+
+	writel(CLK_DIV_LEX_VAL, &clk->div_lex);
+	while (readl(&clk->div_stat_lex))
+		;
+
+	writel(CLK_DIV_R0X_VAL, &clk->div_r0x);
+	while (readl(&clk->div_stat_r0x))
+		;
+
+	writel(CLK_DIV_R0X_VAL, &clk->div_r0x);
+	while (readl(&clk->div_stat_r0x))
+		;
+
+	writel(CLK_DIV_R1X_VAL, &clk->div_r1x);
+	while (readl(&clk->div_stat_r1x))
+		;
+
+	writel(CLK_REG_DISABLE, &clk->src_cdrex);
+
+	writel(CLK_DIV_CDREX_VAL, &clk->div_cdrex);
+	while (readl(&clk->div_stat_cdrex))
+		;
+
+	val = readl(&clk->src_cpu);
+	val |= CLK_SRC_CPU_VAL;
+	writel(val, &clk->src_cpu);
+
+	val = readl(&clk->src_top2);
+	val |= CLK_SRC_TOP2_VAL;
+	writel(val, &clk->src_top2);
+
+	val = readl(&clk->src_core1);
+	val |= CLK_SRC_CORE1_VAL;
+	writel(val, &clk->src_core1);
+
+	writel(CLK_SRC_FSYS0_VAL, &clk->src_fsys);
+	writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0);
+	while (readl(&clk->div_stat_fsys0))
+		;
+
+	writel(CLK_REG_DISABLE, &clk->clkout_cmu_cpu);
+	writel(CLK_REG_DISABLE, &clk->clkout_cmu_core);
+	writel(CLK_REG_DISABLE, &clk->clkout_cmu_acp);
+	writel(CLK_REG_DISABLE, &clk->clkout_cmu_top);
+	writel(CLK_REG_DISABLE, &clk->clkout_cmu_lex);
+	writel(CLK_REG_DISABLE, &clk->clkout_cmu_r0x);
+	writel(CLK_REG_DISABLE, &clk->clkout_cmu_r1x);
+	writel(CLK_REG_DISABLE, &clk->clkout_cmu_cdrex);
+
+	writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0);
+	writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0);
+
+	writel(CLK_SRC_PERIC1_VAL, &clk->src_peric1);
+	writel(CLK_DIV_PERIC1_VAL, &clk->div_peric1);
+	writel(CLK_DIV_PERIC2_VAL, &clk->div_peric2);
+	writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3);
+
+	writel(SCLK_SRC_ISP_VAL, &clk->sclk_src_isp);
+	writel(SCLK_DIV_ISP_VAL, &clk->sclk_div_isp);
+	writel(CLK_DIV_ISP0_VAL, &clk->div_isp0);
+	writel(CLK_DIV_ISP1_VAL, &clk->div_isp1);
+	writel(CLK_DIV_ISP2_VAL, &clk->div_isp2);
+
+	/* FIMD1 SRC CLK SELECTION */
+	writel(CLK_SRC_DISP1_0_VAL, &clk->src_disp1_0);
+
+	val = MMC2_PRE_RATIO_VAL << MMC2_PRE_RATIO_OFFSET
+		| MMC2_RATIO_VAL << MMC2_RATIO_OFFSET
+		| MMC3_PRE_RATIO_VAL << MMC3_PRE_RATIO_OFFSET
+		| MMC3_RATIO_VAL << MMC3_RATIO_OFFSET;
+	writel(val, &clk->div_fsys2);
+}
diff --git a/board/samsung/arndale/clock_init.h b/board/samsung/arndale/clock_init.h
new file mode 100644
index 0000000..5d01a6c
--- /dev/null
+++ b/board/samsung/arndale/clock_init.h
@@ -0,0 +1,149 @@ 
+/*
+ * Clock initialization routines
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __ARNDALE_CLOCK_INIT_H
+#define __ARNDALE_CLOCK_INIT_H
+
+enum {
+	MEM_TIMINGS_MSR_COUNT	= 4,
+};
+
+/* These are the ratio's for configuring ARM clock */
+struct arm_clk_ratios {
+	unsigned arm_freq_mhz;		/* Frequency of ARM core in MHz */
+
+	unsigned apll_mdiv;
+	unsigned apll_pdiv;
+	unsigned apll_sdiv;
+
+	unsigned arm2_ratio;
+	unsigned apll_ratio;
+	unsigned pclk_dbg_ratio;
+	unsigned atb_ratio;
+	unsigned periph_ratio;
+	unsigned acp_ratio;
+	unsigned cpud_ratio;
+	unsigned arm_ratio;
+};
+
+/* These are the memory timings for a particular memory type and speed */
+struct mem_timings {
+	enum mem_manuf mem_manuf;	/* Memory manufacturer */
+	enum ddr_mode mem_type;		/* Memory type */
+	unsigned frequency_mhz;		/* Frequency of memory in MHz */
+
+	/* Here follow the timing parameters for the selected memory */
+	unsigned apll_mdiv;
+	unsigned apll_pdiv;
+	unsigned apll_sdiv;
+	unsigned mpll_mdiv;
+	unsigned mpll_pdiv;
+	unsigned mpll_sdiv;
+	unsigned cpll_mdiv;
+	unsigned cpll_pdiv;
+	unsigned cpll_sdiv;
+	unsigned gpll_mdiv;
+	unsigned gpll_pdiv;
+	unsigned gpll_sdiv;
+	unsigned epll_mdiv;
+	unsigned epll_pdiv;
+	unsigned epll_sdiv;
+	unsigned vpll_mdiv;
+	unsigned vpll_pdiv;
+	unsigned vpll_sdiv;
+	unsigned bpll_mdiv;
+	unsigned bpll_pdiv;
+	unsigned bpll_sdiv;
+	unsigned pclk_cdrex_ratio;
+	unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT];
+
+	unsigned timing_ref;
+	unsigned timing_row;
+	unsigned timing_data;
+	unsigned timing_power;
+
+	/* DQS, DQ, DEBUG offsets */
+	unsigned phy0_dqs;
+	unsigned phy1_dqs;
+	unsigned phy0_dq;
+	unsigned phy1_dq;
+	unsigned phy0_tFS;
+	unsigned phy1_tFS;
+	unsigned phy0_pulld_dqs;
+	unsigned phy1_pulld_dqs;
+
+	unsigned lpddr3_ctrl_phy_reset;
+	unsigned ctrl_start_point;
+	unsigned ctrl_inc;
+	unsigned ctrl_start;
+	unsigned ctrl_dll_on;
+	unsigned ctrl_ref;
+
+	unsigned ctrl_force;
+	unsigned ctrl_rdlat;
+	unsigned ctrl_bstlen;
+
+	unsigned fp_resync;
+	unsigned iv_size;
+	unsigned dfi_init_start;
+	unsigned aref_en;
+
+	unsigned rd_fetch;
+
+	unsigned zq_mode_dds;
+	unsigned zq_mode_term;
+	unsigned zq_mode_noterm;	/* 1 to allow termination disable */
+
+	unsigned memcontrol;
+	unsigned memconfig;
+
+	unsigned membaseconfig0;
+	unsigned membaseconfig1;
+	unsigned prechconfig_tp_cnt;
+	unsigned dpwrdn_cyc;
+	unsigned dsref_cyc;
+	unsigned concontrol;
+	/* Channel and Chip Selection */
+	uint8_t dmc_channels;		/* number of memory channels */
+	uint8_t chips_per_channel;	/* number of chips per channel */
+	uint8_t chips_to_configure;	/* number of chips to configure */
+	uint8_t send_zq_init;		/* 1 to send this command */
+	unsigned impedance;		/* drive strength impedeance */
+	uint8_t gate_leveling_enable;	/* check gate leveling is enabled */
+};
+
+/**
+ * Get the correct memory timings for our selected memory type and speed.
+ *
+ * This function can be called from SPL or the main U-Boot.
+ *
+ * @return pointer to the memory timings that we should use
+ */
+struct mem_timings *clock_get_mem_timings(void);
+
+/*
+ * Initialize clock for the device
+ */
+void system_clock_init(void);
+#endif
diff --git a/board/samsung/arndale/dmc_common.c b/board/samsung/arndale/dmc_common.c
new file mode 100644
index 0000000..5a51def
--- /dev/null
+++ b/board/samsung/arndale/dmc_common.c
@@ -0,0 +1,199 @@ 
+/*
+ * Mem setup common file for different types of DDR present on Arndale boards.
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/spl.h>
+
+#include "clock_init.h"
+#include "setup.h"
+
+#define ZQ_INIT_TIMEOUT	10000
+
+int dmc_config_zq(struct mem_timings *mem,
+		  struct exynos5_phy_control *phy0_ctrl,
+		  struct exynos5_phy_control *phy1_ctrl)
+{
+	unsigned long val = 0;
+	int i;
+
+	/*
+	 * ZQ Calibration:
+	 * Select Driver Strength,
+	 * long calibration for manual calibration
+	 */
+	val = PHY_CON16_RESET_VAL;
+	val |= mem->zq_mode_dds << PHY_CON16_ZQ_MODE_DDS_SHIFT;
+	val |= mem->zq_mode_term << PHY_CON16_ZQ_MODE_TERM_SHIFT;
+	val |= ZQ_CLK_DIV_EN;
+	writel(val, &phy0_ctrl->phy_con16);
+	writel(val, &phy1_ctrl->phy_con16);
+
+	/* Disable termination */
+	if (mem->zq_mode_noterm)
+		val |= PHY_CON16_ZQ_MODE_NOTERM_MASK;
+	writel(val, &phy0_ctrl->phy_con16);
+	writel(val, &phy1_ctrl->phy_con16);
+
+	/* ZQ_MANUAL_START: Enable */
+	val |= ZQ_MANUAL_STR;
+	writel(val, &phy0_ctrl->phy_con16);
+	writel(val, &phy1_ctrl->phy_con16);
+
+	/* ZQ_MANUAL_START: Disable */
+	val &= ~ZQ_MANUAL_STR;
+
+	/*
+	 * Since we are manaully calibrating the ZQ values,
+	 * we are looping for the ZQ_init to complete.
+	 */
+	i = ZQ_INIT_TIMEOUT;
+	while ((readl(&phy0_ctrl->phy_con17) & ZQ_DONE) != ZQ_DONE && i > 0) {
+		sdelay(100);
+		i--;
+	}
+	if (!i)
+		return -1;
+	writel(val, &phy0_ctrl->phy_con16);
+
+	i = ZQ_INIT_TIMEOUT;
+	while ((readl(&phy1_ctrl->phy_con17) & ZQ_DONE) != ZQ_DONE && i > 0) {
+		sdelay(100);
+		i--;
+	}
+	if (!i)
+		return -1;
+	writel(val, &phy1_ctrl->phy_con16);
+
+	return 0;
+}
+
+void update_reset_dll(struct exynos5_dmc *dmc, enum ddr_mode mode)
+{
+	unsigned long val;
+
+	if (mode == DDR_MODE_DDR3) {
+		val = MEM_TERM_EN | PHY_TERM_EN | DMC_CTRL_SHGATE;
+		writel(val, &dmc->phycontrol0);
+	}
+
+	/* Update DLL Information: Force DLL Resyncronization */
+	val = readl(&dmc->phycontrol0);
+	val |= FP_RSYNC;
+	writel(val, &dmc->phycontrol0);
+
+	/* Reset Force DLL Resyncronization */
+	val = readl(&dmc->phycontrol0);
+	val &= ~FP_RSYNC;
+	writel(val, &dmc->phycontrol0);
+}
+
+void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc)
+{
+	int channel, chip;
+
+	for (channel = 0; channel < mem->dmc_channels; channel++) {
+		unsigned long mask;
+
+		mask = channel << DIRECT_CMD_CHANNEL_SHIFT;
+		for (chip = 0; chip < mem->chips_to_configure; chip++) {
+			int i;
+
+			mask |= chip << DIRECT_CMD_CHIP_SHIFT;
+
+			/* Sending NOP command */
+			writel(DIRECT_CMD_NOP | mask, &dmc->directcmd);
+
+			/*
+			 * TODO(alim.akhtar@samsung.com): Do we need these
+			 * delays? This one and the next were not there for
+			 * DDR3.
+			 */
+			sdelay(0x10000);
+
+			/* Sending EMRS/MRS commands */
+			for (i = 0; i < MEM_TIMINGS_MSR_COUNT; i++) {
+				writel(mem->direct_cmd_msr[i] | mask,
+				       &dmc->directcmd);
+				sdelay(0x10000);
+			}
+
+			if (mem->send_zq_init) {
+				/* Sending ZQINIT command */
+				writel(DIRECT_CMD_ZQINIT | mask,
+				       &dmc->directcmd);
+
+				sdelay(10000);
+			}
+		}
+	}
+}
+
+void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc)
+{
+	int channel, chip;
+
+	for (channel = 0; channel < mem->dmc_channels; channel++) {
+		unsigned long mask;
+
+		mask = channel << DIRECT_CMD_CHANNEL_SHIFT;
+		for (chip = 0; chip < mem->chips_per_channel; chip++) {
+			mask |= chip << DIRECT_CMD_CHIP_SHIFT;
+
+			/* PALL (all banks precharge) CMD */
+			writel(DIRECT_CMD_PALL | mask, &dmc->directcmd);
+			sdelay(0x10000);
+		}
+	}
+}
+
+void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc)
+{
+	writel(mem->memconfig, &dmc->memconfig0);
+	writel(mem->memconfig, &dmc->memconfig1);
+	writel(DMC_MEMBASECONFIG0_VAL, &dmc->membaseconfig0);
+	writel(DMC_MEMBASECONFIG1_VAL, &dmc->membaseconfig1);
+}
+
+void mem_ctrl_init()
+{
+	struct spl_machine_param *param = spl_get_machine_params();
+	struct mem_timings *mem;
+	int ret;
+
+	mem = clock_get_mem_timings();
+
+	/* If there are any other memory variant, add their init call below */
+	if (param->mem_type == DDR_MODE_DDR3) {
+		ret = ddr3_mem_ctrl_init(mem, param->mem_iv_size);
+		if (ret) {
+			/* will hang if failed to init memory control */
+			while (1)
+				;
+		}
+	} else {
+		/* will hang if unknow memory type  */
+		while (1)
+			;
+	}
+}
diff --git a/board/samsung/arndale/dmc_init_ddr3.c b/board/samsung/arndale/dmc_init_ddr3.c
new file mode 100644
index 0000000..ce91451
--- /dev/null
+++ b/board/samsung/arndale/dmc_init_ddr3.c
@@ -0,0 +1,228 @@ 
+/*
+ * DDR3 mem setup file for Arndale board based on EXYNOS5
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/dmc.h>
+#include "setup.h"
+#include "clock_init.h"
+
+#define RDLVL_COMPLETE_TIMEOUT	10000
+
+static void reset_phy_ctrl(void)
+{
+	struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
+
+	writel(DDR3PHY_CTRL_PHY_RESET_OFF, &clk->lpddr3phy_ctrl);
+	writel(DDR3PHY_CTRL_PHY_RESET, &clk->lpddr3phy_ctrl);
+}
+
+int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size)
+{
+	unsigned int val;
+	struct exynos5_phy_control *phy0_ctrl, *phy1_ctrl;
+	struct exynos5_dmc *dmc;
+	int i;
+
+	phy0_ctrl = (struct exynos5_phy_control *)EXYNOS5_DMC_PHY0_BASE;
+	phy1_ctrl = (struct exynos5_phy_control *)EXYNOS5_DMC_PHY1_BASE;
+	dmc = (struct exynos5_dmc *)EXYNOS5_DMC_CTRL_BASE;
+
+	reset_phy_ctrl();
+
+	/* Set Impedance Output Driver */
+	val = (mem->impedance << CA_CK_DRVR_DS_OFFSET) |
+		(mem->impedance << CA_CKE_DRVR_DS_OFFSET) |
+		(mem->impedance << CA_CS_DRVR_DS_OFFSET) |
+		(mem->impedance << CA_ADR_DRVR_DS_OFFSET);
+	writel(val, &phy0_ctrl->phy_con39);
+	writel(val, &phy1_ctrl->phy_con39);
+
+	/* Set Read Latency and Burst Length for PHY0 and PHY1 */
+	val = (mem->ctrl_bstlen << PHY_CON42_CTRL_BSTLEN_SHIFT) |
+		(mem->ctrl_rdlat << PHY_CON42_CTRL_RDLAT_SHIFT);
+	writel(val, &phy0_ctrl->phy_con42);
+	writel(val, &phy1_ctrl->phy_con42);
+
+	/* ZQ Calibration */
+	if (dmc_config_zq(mem, phy0_ctrl, phy1_ctrl))
+		return SETUP_ERR_ZQ_CALIBRATION_FAILURE;
+
+	/* DQ Signal */
+	writel(mem->phy0_pulld_dqs, &phy0_ctrl->phy_con14);
+	writel(mem->phy1_pulld_dqs, &phy1_ctrl->phy_con14);
+
+	writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)
+		| (mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT),
+		&dmc->concontrol);
+
+	update_reset_dll(dmc, DDR_MODE_DDR3);
+
+	/* DQS Signal */
+	writel(mem->phy0_dqs, &phy0_ctrl->phy_con4);
+	writel(mem->phy1_dqs, &phy1_ctrl->phy_con4);
+
+	writel(mem->phy0_dq, &phy0_ctrl->phy_con6);
+	writel(mem->phy1_dq, &phy1_ctrl->phy_con6);
+
+	writel(mem->phy0_tFS, &phy0_ctrl->phy_con10);
+	writel(mem->phy1_tFS, &phy1_ctrl->phy_con10);
+
+	val = (mem->ctrl_start_point << PHY_CON12_CTRL_START_POINT_SHIFT) |
+		(mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
+		(mem->ctrl_dll_on << PHY_CON12_CTRL_DLL_ON_SHIFT) |
+		(mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
+	writel(val, &phy0_ctrl->phy_con12);
+	writel(val, &phy1_ctrl->phy_con12);
+
+	/* Start DLL locking */
+	writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
+		&phy0_ctrl->phy_con12);
+	writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
+		&phy1_ctrl->phy_con12);
+
+	update_reset_dll(dmc, DDR_MODE_DDR3);
+
+	writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
+		&dmc->concontrol);
+
+	/* Memory Channel Inteleaving Size */
+	writel(mem->iv_size, &dmc->ivcontrol);
+
+	writel(mem->memconfig, &dmc->memconfig0);
+	writel(mem->memconfig, &dmc->memconfig1);
+	writel(mem->membaseconfig0, &dmc->membaseconfig0);
+	writel(mem->membaseconfig1, &dmc->membaseconfig1);
+
+	/* Precharge Configuration */
+	writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
+		&dmc->prechconfig);
+
+	/* Power Down mode Configuration */
+	writel(mem->dpwrdn_cyc << PWRDNCONFIG_DPWRDN_CYC_SHIFT |
+		mem->dsref_cyc << PWRDNCONFIG_DSREF_CYC_SHIFT,
+		&dmc->pwrdnconfig);
+
+	/* TimingRow, TimingData, TimingPower and Timingaref
+	 * values as per Memory AC parameters
+	 */
+	writel(mem->timing_ref, &dmc->timingref);
+	writel(mem->timing_row, &dmc->timingrow);
+	writel(mem->timing_data, &dmc->timingdata);
+	writel(mem->timing_power, &dmc->timingpower);
+
+	/* Send PALL command */
+	dmc_config_prech(mem, dmc);
+
+	/* Send NOP, MRS and ZQINIT commands */
+	dmc_config_mrs(mem, dmc);
+
+	if (mem->gate_leveling_enable) {
+		val = PHY_CON0_RESET_VAL;
+		val |= P0_CMD_EN;
+		writel(val, &phy0_ctrl->phy_con0);
+		writel(val, &phy1_ctrl->phy_con0);
+
+		val = PHY_CON2_RESET_VAL;
+		val |= INIT_DESKEW_EN;
+		writel(val, &phy0_ctrl->phy_con2);
+		writel(val, &phy1_ctrl->phy_con2);
+
+		val = PHY_CON0_RESET_VAL;
+		val |= P0_CMD_EN;
+		val |= BYTE_RDLVL_EN;
+		writel(val, &phy0_ctrl->phy_con0);
+		writel(val, &phy1_ctrl->phy_con0);
+
+		val = (mem->ctrl_start_point <<
+				PHY_CON12_CTRL_START_POINT_SHIFT) |
+			(mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
+			(mem->ctrl_force << PHY_CON12_CTRL_FORCE_SHIFT) |
+			(mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT) |
+			(mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
+		writel(val, &phy0_ctrl->phy_con12);
+		writel(val, &phy1_ctrl->phy_con12);
+
+		val = PHY_CON2_RESET_VAL;
+		val |= INIT_DESKEW_EN;
+		val |= RDLVL_GATE_EN;
+		writel(val, &phy0_ctrl->phy_con2);
+		writel(val, &phy1_ctrl->phy_con2);
+
+		val = PHY_CON0_RESET_VAL;
+		val |= P0_CMD_EN;
+		val |= BYTE_RDLVL_EN;
+		val |= CTRL_SHGATE;
+		writel(val, &phy0_ctrl->phy_con0);
+		writel(val, &phy1_ctrl->phy_con0);
+
+		val = PHY_CON1_RESET_VAL;
+		val &= ~(CTRL_GATEDURADJ_MASK);
+		writel(val, &phy0_ctrl->phy_con1);
+		writel(val, &phy1_ctrl->phy_con1);
+
+		writel(CTRL_RDLVL_GATE_ENABLE, &dmc->rdlvl_config);
+		i = RDLVL_COMPLETE_TIMEOUT;
+		while ((readl(&dmc->phystatus) &
+			(RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1)) !=
+			(RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1) && i > 0) {
+			/*
+			 * TODO(waihong): Comment on how long this take to
+			 * timeout
+			 */
+			sdelay(100);
+			i--;
+		}
+		if (!i)
+			return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
+		writel(CTRL_RDLVL_GATE_DISABLE, &dmc->rdlvl_config);
+
+		writel(0, &phy0_ctrl->phy_con14);
+		writel(0, &phy1_ctrl->phy_con14);
+
+		val = (mem->ctrl_start_point <<
+				PHY_CON12_CTRL_START_POINT_SHIFT) |
+			(mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
+			(mem->ctrl_force << PHY_CON12_CTRL_FORCE_SHIFT) |
+			(mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT) |
+			(mem->ctrl_dll_on << PHY_CON12_CTRL_DLL_ON_SHIFT) |
+			(mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
+		writel(val, &phy0_ctrl->phy_con12);
+		writel(val, &phy1_ctrl->phy_con12);
+
+		update_reset_dll(dmc, DDR_MODE_DDR3);
+	}
+
+	/* Send PALL command */
+	dmc_config_prech(mem, dmc);
+
+	writel(mem->memcontrol, &dmc->memcontrol);
+
+	/* Set DMC Concontrol and enable auto-refresh counter */
+	writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)
+		| (mem->aref_en << CONCONTROL_AREF_EN_SHIFT), &dmc->concontrol);
+	return 0;
+}
diff --git a/board/samsung/arndale/lowlevel_init.S b/board/samsung/arndale/lowlevel_init.S
new file mode 100644
index 0000000..4fa73a7
--- /dev/null
+++ b/board/samsung/arndale/lowlevel_init.S
@@ -0,0 +1,92 @@ 
+/*
+ * Lowlevel setup for Arndale board based on Exynos5
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+#include <asm/arch/cpu.h>
+
+_TEXT_BASE:
+	.word	CONFIG_SYS_TEXT_BASE
+
+	.globl lowlevel_init
+lowlevel_init:
+
+	/* use iRAM stack in bl2 */
+	ldr	sp, =CONFIG_IRAM_STACK
+	stmdb	r13!, {ip,lr}
+
+	/* check reset status */
+	ldr	r0, =(EXYNOS5_POWER_BASE + INFORM1_OFFSET)
+	ldr	r1, [r0]
+
+	/* AFTR wakeup reset */
+	ldr	r2, =S5P_CHECK_DIDLE
+	cmp	r1, r2
+	beq	exit_wakeup
+
+	/* Sleep wakeup reset */
+	ldr	r2, =S5P_CHECK_SLEEP
+	cmp	r1, r2
+	beq	wakeup_reset
+
+	/*
+	 * If U-boot is already running in RAM, no need to relocate U-Boot.
+	 * Memory controller must be configured before relocating U-Boot
+	 * in ram.
+	 */
+	ldr	r0, =0x0ffffff		/* r0 <- Mask Bits*/
+	bic	r1, pc, r0		/* pc <- current addr of code */
+					/* r1 <- unmasked bits of pc */
+	ldr	r2, _TEXT_BASE		/* r2 <- original base addr in ram */
+	bic	r2, r2, r0		/* r2 <- unmasked bits of r2*/
+	cmp	r1, r2			/* compare r1, r2 */
+	beq	1f			/* r0 == r1 then skip sdram init */
+
+	/* init system clock */
+	bl	system_clock_init
+
+	/* Memory initialize */
+	bl	mem_ctrl_init
+1:
+	bl	arch_cpu_init
+	bl	tzpc_init
+	ldmia	r13!, {ip,pc}
+
+wakeup_reset:
+	bl	system_clock_init
+	bl	mem_ctrl_init
+	bl	arch_cpu_init
+	bl	tzpc_init
+
+exit_wakeup:
+	/* Load return address and jump to kernel */
+	ldr	r0, =(EXYNOS5_POWER_BASE + INFORM0_OFFSET)
+
+	/* r1 = physical address of exynos5_cpu_resume function*/
+	ldr	r1, [r0]
+
+	/* Jump to kernel */
+	mov	pc, r1
+	nop
+	nop
diff --git a/board/samsung/arndale/mmc_boot.c b/board/samsung/arndale/mmc_boot.c
new file mode 100644
index 0000000..72219a0
--- /dev/null
+++ b/board/samsung/arndale/mmc_boot.c
@@ -0,0 +1,58 @@ 
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include<common.h>
+#include<config.h>
+
+/*
+* Copy U-boot from mmc to RAM:
+* COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains
+* Pointer to API (Data transfer from mmc to ram)
+*/
+void copy_uboot_to_ram(void)
+{
+	u32 (*copy_bl2)(u32, u32, u32)  = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR;
+
+	copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE);
+}
+
+void board_init_f(unsigned long bootflag)
+{
+	__attribute__((noreturn)) void (*uboot)(void);
+	copy_uboot_to_ram();
+
+	/* Jump to U-Boot image */
+	uboot = (void *)CONFIG_SYS_TEXT_BASE;
+	(*uboot)();
+	/* Never returns Here */
+}
+
+/* Place Holders */
+void board_init_r(gd_t *id, ulong dest_addr)
+{
+	/* Function attribute is no-return */
+	/* This Function never executes */
+	while (1)
+		;
+}
+
+void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) {}
diff --git a/board/samsung/arndale/setup.h b/board/samsung/arndale/setup.h
new file mode 100644
index 0000000..622b148
--- /dev/null
+++ b/board/samsung/arndale/setup.h
@@ -0,0 +1,569 @@ 
+/*
+ * Machine Specific Values for Arndale board based on EXYNOS5
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ARNDALE_SETUP_H
+#define _ARNDALE_SETUP_H
+
+#include <config.h>
+#include <asm/arch/dmc.h>
+
+/* APLL_CON1	*/
+#define APLL_CON1_VAL	(0x00203800)
+
+/* MPLL_CON1	*/
+#define MPLL_CON1_VAL   (0x00203800)
+
+/* CPLL_CON1	*/
+#define CPLL_CON1_VAL	(0x00203800)
+
+/* GPLL_CON1	*/
+#define GPLL_CON1_VAL	(0x00203800)
+
+/* EPLL_CON1, CON2	*/
+#define EPLL_CON1_VAL	0x00000000
+#define EPLL_CON2_VAL	0x00000080
+
+/* VPLL_CON1, CON2	*/
+#define VPLL_CON1_VAL	0x00000000
+#define VPLL_CON2_VAL	0x00000080
+
+/* BPLL_CON1	*/
+#define BPLL_CON1_VAL	0x00203800
+
+/* Set PLL */
+#define set_pll(mdiv, pdiv, sdiv)	(1<<31 | mdiv<<16 | pdiv<<8 | sdiv)
+
+/* CLK_SRC_CPU	*/
+/* 0 = MOUTAPLL,  1 = SCLKMPLL	*/
+#define MUX_HPM_SEL             0
+#define MUX_CPU_SEL             0
+#define MUX_APLL_SEL            1
+
+#define CLK_SRC_CPU_VAL		((MUX_HPM_SEL << 20)    \
+				| (MUX_CPU_SEL << 16)  \
+				| (MUX_APLL_SEL))
+
+/* MEMCONTROL register bit fields */
+#define DMC_MEMCONTROL_CLK_STOP_DISABLE	(0 << 0)
+#define DMC_MEMCONTROL_DPWRDN_DISABLE	(0 << 1)
+#define DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE	(0 << 2)
+#define DMC_MEMCONTROL_TP_DISABLE	(0 << 4)
+#define DMC_MEMCONTROL_DSREF_DISABLE	(0 << 5)
+#define DMC_MEMCONTROL_DSREF_ENABLE	(1 << 5)
+#define DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(x)    (x << 6)
+
+#define DMC_MEMCONTROL_MEM_TYPE_LPDDR3  (7 << 8)
+#define DMC_MEMCONTROL_MEM_TYPE_DDR3    (6 << 8)
+#define DMC_MEMCONTROL_MEM_TYPE_LPDDR2  (5 << 8)
+
+#define DMC_MEMCONTROL_MEM_WIDTH_32BIT  (2 << 12)
+
+#define DMC_MEMCONTROL_NUM_CHIP_1       (0 << 16)
+#define DMC_MEMCONTROL_NUM_CHIP_2       (1 << 16)
+
+#define DMC_MEMCONTROL_BL_8             (3 << 20)
+#define DMC_MEMCONTROL_BL_4             (2 << 20)
+
+#define DMC_MEMCONTROL_PZQ_DISABLE      (0 << 24)
+
+#define DMC_MEMCONTROL_MRR_BYTE_7_0     (0 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_15_8    (1 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_23_16   (2 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_31_24   (3 << 25)
+
+/* MEMCONFIG0 register bit fields */
+#define DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED     (1 << 12)
+#define DMC_MEMCONFIGx_CHIP_COL_10              (3 << 8)
+#define DMC_MEMCONFIGx_CHIP_ROW_14              (2 << 4)
+#define DMC_MEMCONFIGx_CHIP_ROW_15              (3 << 4)
+#define DMC_MEMCONFIGx_CHIP_BANK_8              (3 << 0)
+
+#define DMC_MEMBASECONFIGx_CHIP_BASE(x)         (x << 16)
+#define DMC_MEMBASECONFIGx_CHIP_MASK(x)         (x << 0)
+#define DMC_MEMBASECONFIG_VAL(x)        (       \
+	DMC_MEMBASECONFIGx_CHIP_BASE(x) |       \
+	DMC_MEMBASECONFIGx_CHIP_MASK(0x780)     \
+)
+
+#define DMC_MEMBASECONFIG0_VAL  DMC_MEMBASECONFIG_VAL(0x40)
+#define DMC_MEMBASECONFIG1_VAL  DMC_MEMBASECONFIG_VAL(0x80)
+
+#define DMC_PRECHCONFIG_VAL             0xFF000000
+#define DMC_PWRDNCONFIG_VAL             0xFFFF00FF
+
+#define DMC_CONCONTROL_RESET_VAL	0x0FFF0000
+#define DFI_INIT_START		(1 << 28)
+#define EMPTY			(1 << 8)
+#define AREF_EN			(1 << 5)
+
+#define DFI_INIT_COMPLETE_CHO	(1 << 2)
+#define DFI_INIT_COMPLETE_CH1	(1 << 3)
+
+#define RDLVL_COMPLETE_CHO	(1 << 14)
+#define RDLVL_COMPLETE_CH1	(1 << 15)
+
+#define CLK_STOP_EN	(1 << 0)
+#define DPWRDN_EN	(1 << 1)
+#define DSREF_EN	(1 << 5)
+
+/* COJCONTROL register bit fields */
+#define DMC_CONCONTROL_IO_PD_CON_DISABLE	(0 << 3)
+#define DMC_CONCONTROL_AREF_EN_DISABLE		(0 << 5)
+#define DMC_CONCONTROL_EMPTY_DISABLE		(0 << 8)
+#define DMC_CONCONTROL_EMPTY_ENABLE		(1 << 8)
+#define DMC_CONCONTROL_RD_FETCH_DISABLE		(0x0 << 12)
+#define DMC_CONCONTROL_TIMEOUT_LEVEL0		(0xFFF << 16)
+#define DMC_CONCONTROL_DFI_INIT_START_DISABLE	(0 << 28)
+
+/* CLK_DIV_CPU0_VAL */
+#define CLK_DIV_CPU0_VAL	((ARM2_RATIO << 28)             \
+				| (APLL_RATIO << 24)            \
+				| (PCLK_DBG_RATIO << 20)        \
+				| (ATB_RATIO << 16)             \
+				| (PERIPH_RATIO << 12)          \
+				| (ACP_RATIO << 8)              \
+				| (CPUD_RATIO << 4)             \
+				| (ARM_RATIO))
+
+
+/* CLK_FSYS */
+#define CLK_SRC_FSYS0_VAL              0x66666
+#define CLK_DIV_FSYS0_VAL	       0x0BB00000
+
+/* CLK_DIV_CPU1	*/
+#define HPM_RATIO               0x2
+#define COPY_RATIO              0x0
+
+/* CLK_DIV_CPU1 = 0x00000003 */
+#define CLK_DIV_CPU1_VAL        ((HPM_RATIO << 4)		\
+				| (COPY_RATIO))
+
+/* CLK_SRC_CORE0 */
+#define CLK_SRC_CORE0_VAL       0x00000000
+
+/* CLK_SRC_CORE1 */
+#define CLK_SRC_CORE1_VAL       0x100
+
+/* CLK_DIV_CORE0 */
+#define CLK_DIV_CORE0_VAL       0x00120000
+
+/* CLK_DIV_CORE1 */
+#define CLK_DIV_CORE1_VAL       0x07070700
+
+/* CLK_DIV_SYSRGT */
+#define CLK_DIV_SYSRGT_VAL      0x00000111
+
+/* CLK_DIV_ACP */
+#define CLK_DIV_ACP_VAL         0x12
+
+/* CLK_DIV_SYSLFT */
+#define CLK_DIV_SYSLFT_VAL      0x00000311
+
+/* CLK_SRC_CDREX */
+#define CLK_SRC_CDREX_VAL       0x1
+
+/* CLK_DIV_CDREX */
+#define MCLK_CDREX2_RATIO       0x0
+#define ACLK_EFCON_RATIO        0x1
+#define MCLK_DPHY_RATIO		0x1
+#define MCLK_CDREX_RATIO	0x1
+#define ACLK_C2C_200_RATIO	0x1
+#define C2C_CLK_400_RATIO	0x1
+#define PCLK_CDREX_RATIO	0x1
+#define ACLK_CDREX_RATIO	0x1
+
+#define CLK_DIV_CDREX_VAL	((MCLK_DPHY_RATIO << 24)        \
+				| (C2C_CLK_400_RATIO << 6)	\
+				| (PCLK_CDREX_RATIO << 4)	\
+				| (ACLK_CDREX_RATIO))
+
+/* CLK_SRC_TOP0	*/
+#define MUX_ACLK_300_GSCL_SEL           0x0
+#define MUX_ACLK_300_GSCL_MID_SEL       0x0
+#define MUX_ACLK_400_G3D_MID_SEL        0x0
+#define MUX_ACLK_333_SEL	        0x0
+#define MUX_ACLK_300_DISP1_SEL	        0x0
+#define MUX_ACLK_300_DISP1_MID_SEL      0x0
+#define MUX_ACLK_200_SEL	        0x0
+#define MUX_ACLK_166_SEL	        0x0
+#define CLK_SRC_TOP0_VAL	((MUX_ACLK_300_GSCL_SEL  << 25)		\
+				| (MUX_ACLK_300_GSCL_MID_SEL << 24)	\
+				| (MUX_ACLK_400_G3D_MID_SEL << 20)	\
+				| (MUX_ACLK_333_SEL << 16)		\
+				| (MUX_ACLK_300_DISP1_SEL << 15)	\
+				| (MUX_ACLK_300_DISP1_MID_SEL << 14)	\
+				| (MUX_ACLK_200_SEL << 12)		\
+				| (MUX_ACLK_166_SEL << 8))
+
+/* CLK_SRC_TOP1	*/
+#define MUX_ACLK_400_G3D_SEL            0x1
+#define MUX_ACLK_400_ISP_SEL            0x0
+#define MUX_ACLK_400_IOP_SEL            0x0
+#define MUX_ACLK_MIPI_HSI_TXBASE_SEL    0x0
+#define MUX_ACLK_300_GSCL_MID1_SEL      0x0
+#define MUX_ACLK_300_DISP1_MID1_SEL     0x0
+#define CLK_SRC_TOP1_VAL	((MUX_ACLK_400_G3D_SEL << 28)           \
+				|(MUX_ACLK_400_ISP_SEL << 24)           \
+				|(MUX_ACLK_400_IOP_SEL << 20)           \
+				|(MUX_ACLK_MIPI_HSI_TXBASE_SEL << 16)   \
+				|(MUX_ACLK_300_GSCL_MID1_SEL << 12)     \
+				|(MUX_ACLK_300_DISP1_MID1_SEL << 8))
+
+/* CLK_SRC_TOP2 */
+#define MUX_GPLL_SEL                    0x1
+#define MUX_BPLL_USER_SEL               0x0
+#define MUX_MPLL_USER_SEL               0x0
+#define MUX_VPLL_SEL                    0x1
+#define MUX_EPLL_SEL                    0x1
+#define MUX_CPLL_SEL                    0x1
+#define VPLLSRC_SEL                     0x0
+#define CLK_SRC_TOP2_VAL	((MUX_GPLL_SEL << 28)		\
+				| (MUX_BPLL_USER_SEL << 24)	\
+				| (MUX_MPLL_USER_SEL << 20)	\
+				| (MUX_VPLL_SEL << 16)	        \
+				| (MUX_EPLL_SEL << 12)	        \
+				| (MUX_CPLL_SEL << 8)           \
+				| (VPLLSRC_SEL))
+/* CLK_SRC_TOP3 */
+#define MUX_ACLK_333_SUB_SEL            0x1
+#define MUX_ACLK_400_SUB_SEL            0x1
+#define MUX_ACLK_266_ISP_SUB_SEL        0x1
+#define MUX_ACLK_266_GPS_SUB_SEL        0x0
+#define MUX_ACLK_300_GSCL_SUB_SEL       0x1
+#define MUX_ACLK_266_GSCL_SUB_SEL       0x1
+#define MUX_ACLK_300_DISP1_SUB_SEL      0x1
+#define MUX_ACLK_200_DISP1_SUB_SEL      0x1
+#define CLK_SRC_TOP3_VAL	((MUX_ACLK_333_SUB_SEL << 24)	        \
+				| (MUX_ACLK_400_SUB_SEL << 20)	        \
+				| (MUX_ACLK_266_ISP_SUB_SEL << 16)	\
+				| (MUX_ACLK_266_GPS_SUB_SEL << 12)      \
+				| (MUX_ACLK_300_GSCL_SUB_SEL << 10)     \
+				| (MUX_ACLK_266_GSCL_SUB_SEL << 8)      \
+				| (MUX_ACLK_300_DISP1_SUB_SEL << 6)     \
+				| (MUX_ACLK_200_DISP1_SUB_SEL << 4))
+
+/* CLK_DIV_TOP0	*/
+#define ACLK_300_DISP1_RATIO	0x2
+#define ACLK_400_G3D_RATIO	0x0
+#define ACLK_333_RATIO		0x0
+#define ACLK_266_RATIO		0x2
+#define ACLK_200_RATIO		0x3
+#define ACLK_166_RATIO		0x1
+#define ACLK_133_RATIO		0x1
+#define ACLK_66_RATIO		0x5
+
+#define CLK_DIV_TOP0_VAL	((ACLK_300_DISP1_RATIO << 28)	\
+				| (ACLK_400_G3D_RATIO << 24)	\
+				| (ACLK_333_RATIO  << 20)	\
+				| (ACLK_266_RATIO << 16)	\
+				| (ACLK_200_RATIO << 12)	\
+				| (ACLK_166_RATIO << 8)		\
+				| (ACLK_133_RATIO << 4)		\
+				| (ACLK_66_RATIO))
+
+/* CLK_DIV_TOP1	*/
+#define ACLK_MIPI_HSI_TX_BASE_RATIO     0x3
+#define ACLK_66_PRE_RATIO               0x1
+#define ACLK_400_ISP_RATIO              0x1
+#define ACLK_400_IOP_RATIO              0x1
+#define ACLK_300_GSCL_RATIO             0x2
+
+#define CLK_DIV_TOP1_VAL	((ACLK_MIPI_HSI_TX_BASE_RATIO << 28)	\
+				| (ACLK_66_PRE_RATIO << 24)		\
+				| (ACLK_400_ISP_RATIO  << 20)		\
+				| (ACLK_400_IOP_RATIO << 16)		\
+				| (ACLK_300_GSCL_RATIO << 12))
+
+/* APLL_LOCK	*/
+#define APLL_LOCK_VAL	(0x546)
+/* MPLL_LOCK	*/
+#define MPLL_LOCK_VAL	(0x546)
+/* CPLL_LOCK	*/
+#define CPLL_LOCK_VAL	(0x546)
+/* GPLL_LOCK	*/
+#define GPLL_LOCK_VAL	(0x546)
+/* EPLL_LOCK	*/
+#define EPLL_LOCK_VAL	(0x3A98)
+/* VPLL_LOCK	*/
+#define VPLL_LOCK_VAL	(0x3A98)
+/* BPLL_LOCK	*/
+#define BPLL_LOCK_VAL	(0x546)
+
+#define MUX_APLL_SEL_MASK	(1 << 0)
+#define MUX_MPLL_SEL_MASK	(1 << 8)
+#define MPLL_SEL_MOUT_MPLLFOUT	(2 << 8)
+#define MUX_CPLL_SEL_MASK	(1 << 8)
+#define MUX_EPLL_SEL_MASK	(1 << 12)
+#define MUX_VPLL_SEL_MASK	(1 << 16)
+#define MUX_GPLL_SEL_MASK	(1 << 28)
+#define MUX_BPLL_SEL_MASK	(1 << 0)
+#define MUX_HPM_SEL_MASK	(1 << 20)
+#define HPM_SEL_SCLK_MPLL	(1 << 21)
+#define APLL_CON0_LOCKED	(1 << 29)
+#define MPLL_CON0_LOCKED	(1 << 29)
+#define BPLL_CON0_LOCKED	(1 << 29)
+#define CPLL_CON0_LOCKED	(1 << 29)
+#define EPLL_CON0_LOCKED	(1 << 29)
+#define GPLL_CON0_LOCKED	(1 << 29)
+#define VPLL_CON0_LOCKED	(1 << 29)
+#define CLK_REG_DISABLE		0x0
+#define TOP2_VAL		0x0110000
+
+/* CLK_SRC_PERIC0 */
+#define PWM_SEL		0
+#define UART3_SEL	6
+#define UART2_SEL	6
+#define UART1_SEL	6
+#define UART0_SEL	6
+/* SRC_CLOCK = SCLK_MPLL */
+#define CLK_SRC_PERIC0_VAL	((PWM_SEL << 24)        \
+				| (UART3_SEL << 12)     \
+				| (UART2_SEL << 8)       \
+				| (UART1_SEL << 4)      \
+				| (UART0_SEL))
+
+/* CLK_SRC_PERIC1 */
+/* SRC_CLOCK = SCLK_MPLL */
+#define SPI0_SEL		6
+#define SPI1_SEL		6
+#define SPI2_SEL		6
+#define CLK_SRC_PERIC1_VAL	((SPI2_SEL << 24) \
+				| (SPI1_SEL << 20) \
+				| (SPI0_SEL << 16))
+
+/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */
+#define SPI0_ISP_SEL		6
+#define SPI1_ISP_SEL		6
+#define SCLK_SRC_ISP_VAL	((SPI1_ISP_SEL << 4) \
+				| (SPI0_ISP_SEL << 0))
+
+/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */
+#define SPI0_ISP_RATIO		0xf
+#define SPI1_ISP_RATIO		0xf
+#define SCLK_DIV_ISP_VAL	((SPI1_ISP_RATIO << 12) \
+				| (SPI0_ISP_RATIO << 0))
+
+/* CLK_DIV_PERIL0	*/
+#define UART5_RATIO	7
+#define UART4_RATIO	7
+#define UART3_RATIO	7
+#define UART2_RATIO	7
+#define UART1_RATIO	7
+#define UART0_RATIO	7
+
+#define CLK_DIV_PERIC0_VAL	((UART3_RATIO << 12)    \
+				| (UART2_RATIO << 8)    \
+				| (UART1_RATIO << 4)    \
+				| (UART0_RATIO))
+/* CLK_DIV_PERIC1 */
+#define SPI1_RATIO		0x7
+#define SPI0_RATIO		0xf
+#define SPI1_SUB_RATIO		0x0
+#define SPI0_SUB_RATIO		0x0
+#define CLK_DIV_PERIC1_VAL	((SPI1_SUB_RATIO << 24) \
+				| ((SPI1_RATIO << 16) \
+				| (SPI0_SUB_RATIO << 8) \
+				| (SPI0_RATIO << 0)))
+
+/* CLK_DIV_PERIC2 */
+#define SPI2_RATIO		0xf
+#define SPI2_SUB_RATIO		0x0
+#define CLK_DIV_PERIC2_VAL	((SPI2_SUB_RATIO << 8) \
+				| (SPI2_RATIO << 0))
+
+/* CLK_DIV_PERIC3 */
+#define PWM_RATIO		8
+#define CLK_DIV_PERIC3_VAL	(PWM_RATIO << 0)
+
+/* CLK_DIV_FSYS2 */
+#define MMC2_RATIO_MASK		0xf
+#define MMC2_RATIO_VAL		0x3
+#define MMC2_RATIO_OFFSET	0
+
+#define MMC2_PRE_RATIO_MASK	0xff
+#define MMC2_PRE_RATIO_VAL	0x9
+#define MMC2_PRE_RATIO_OFFSET	8
+
+#define MMC3_RATIO_MASK		0xf
+#define MMC3_RATIO_VAL		0x1
+#define MMC3_RATIO_OFFSET	16
+
+#define MMC3_PRE_RATIO_MASK	0xff
+#define MMC3_PRE_RATIO_VAL	0x0
+#define MMC3_PRE_RATIO_OFFSET	24
+
+/* CLK_SRC_LEX */
+#define CLK_SRC_LEX_VAL         0x0
+
+/* CLK_DIV_LEX */
+#define CLK_DIV_LEX_VAL         0x10
+
+/* CLK_DIV_R0X */
+#define CLK_DIV_R0X_VAL         0x10
+
+/* CLK_DIV_L0X */
+#define CLK_DIV_R1X_VAL         0x10
+
+/* CLK_DIV_ISP0 */
+#define CLK_DIV_ISP0_VAL        0x31
+
+/* CLK_DIV_ISP1 */
+#define CLK_DIV_ISP1_VAL        0x0
+
+/* CLK_DIV_ISP2 */
+#define CLK_DIV_ISP2_VAL        0x1
+
+/* CLK_SRC_DISP1_0 */
+#define CLK_SRC_DISP1_0_VAL	0x6
+
+/*
+ * DIV_DISP1_0
+ * For DP, divisor should be 2
+ */
+#define CLK_DIV_DISP1_0_FIMD1	(2 << 0)
+
+/* CLK_GATE_IP_DISP1 */
+#define CLK_GATE_DP1_ALLOW	(1 << 4)
+
+#define DDR3PHY_CTRL_PHY_RESET	(1 << 0)
+#define DDR3PHY_CTRL_PHY_RESET_OFF	(0 << 0)
+
+#define PHY_CON0_RESET_VAL	0x17020a40
+#define P0_CMD_EN		(1 << 14)
+#define BYTE_RDLVL_EN		(1 << 13)
+#define CTRL_SHGATE		(1 << 8)
+
+#define PHY_CON1_RESET_VAL	0x09210100
+#define CTRL_GATEDURADJ_MASK	(0xf << 20)
+
+#define PHY_CON2_RESET_VAL	0x00010004
+#define INIT_DESKEW_EN		(1 << 6)
+#define RDLVL_GATE_EN		(1 << 24)
+
+/*ZQ Configurations */
+#define PHY_CON16_RESET_VAL	0x08000304
+
+#define ZQ_CLK_DIV_EN		(1 << 18)
+#define ZQ_MANUAL_STR		(1 << 1)
+#define ZQ_DONE			(1 << 0)
+
+#define CTRL_RDLVL_GATE_ENABLE	1
+#define CTRL_RDLVL_GATE_DISABLE	1
+
+/* Direct Command */
+#define DIRECT_CMD_NOP			0x07000000
+#define DIRECT_CMD_PALL			0x01000000
+#define DIRECT_CMD_ZQINIT		0x0a000000
+#define DIRECT_CMD_CHANNEL_SHIFT	28
+#define DIRECT_CMD_CHIP_SHIFT		20
+
+/* DMC PHY Control0 register */
+#define PHY_CONTROL0_RESET_VAL	0x0
+#define MEM_TERM_EN	(1 << 31)	/* Termination enable for memory */
+#define PHY_TERM_EN	(1 << 30)	/* Termination enable for PHY */
+#define DMC_CTRL_SHGATE	(1 << 29)	/* Duration of DQS gating signal */
+#define FP_RSYNC	(1 << 3)	/* Force DLL resyncronization */
+
+/* Driver strength for CK, CKE, CS & CA */
+#define IMP_OUTPUT_DRV_40_OHM	0x5
+#define IMP_OUTPUT_DRV_30_OHM	0x7
+#define CA_CK_DRVR_DS_OFFSET	9
+#define CA_CKE_DRVR_DS_OFFSET	6
+#define CA_CS_DRVR_DS_OFFSET	3
+#define CA_ADR_DRVR_DS_OFFSET	0
+
+#define PHY_CON42_CTRL_BSTLEN_SHIFT	8
+#define PHY_CON42_CTRL_RDLAT_SHIFT	0
+
+struct mem_timings;
+
+/* Errors that we can encourter in low-level setup */
+enum {
+	SETUP_ERR_OK,
+	SETUP_ERR_RDLV_COMPLETE_TIMEOUT = -1,
+	SETUP_ERR_ZQ_CALIBRATION_FAILURE = -2,
+};
+
+/*
+ * Memory variant specific initialization code
+ *
+ * @param mem		Memory timings for this memory type.
+ * @param mem_iv_size	Memory interleaving size is a configurable parameter
+ *			which the DMC uses to decide how to split a memory
+ *			chunk into smaller chunks to support concurrent
+ *			accesses; may vary across boards.
+ * @return 0 if ok, SETUP_ERR_... if there is a problem
+ */
+int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size);
+
+/*
+ * Configure ZQ I/O interface
+ *
+ * @param mem		Memory timings for this memory type.
+ * @param phy0_ctrl	Pointer to struct containing PHY0 control reg
+ * @param phy1_ctrl	Pointer to struct containing PHY1 control reg
+ * @return 0 if ok, -1 on error
+ */
+int dmc_config_zq(struct mem_timings *mem,
+		  struct exynos5_phy_control *phy0_ctrl,
+		  struct exynos5_phy_control *phy1_ctrl);
+
+/*
+ * Send NOP and MRS/EMRS Direct commands
+ *
+ * @param mem		Memory timings for this memory type.
+ * @param dmc		Pointer to struct of DMC registers
+ */
+void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Send PALL Direct commands
+ *
+ * @param mem		Memory timings for this memory type.
+ * @param dmc		Pointer to struct of DMC registers
+ */
+void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Configure the memconfig and membaseconfig registers
+ *
+ * @param mem		Memory timings for this memory type.
+ * @param exynos5_dmc	Pointer to struct of DMC registers
+ */
+void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Reset the DLL. This function is common between DDR3 and LPDDR2.
+ * However, the reset value is different. So we are passing a flag
+ * ddr_mode to distinguish between LPDDR2 and DDR3.
+ *
+ * @param exynos5_dmc	Pointer to struct of DMC registers
+ * @param ddr_mode	Type of DDR memory
+ */
+void update_reset_dll(struct exynos5_dmc *, enum ddr_mode);
+
+void sdelay(unsigned long);
+void mem_ctrl_init(void);
+void system_clock_init(void);
+#endif
diff --git a/board/samsung/dts/exynos5250-arndale.dts b/board/samsung/dts/exynos5250-arndale.dts
new file mode 100644
index 0000000..3081ab4
--- /dev/null
+++ b/board/samsung/dts/exynos5250-arndale.dts
@@ -0,0 +1,23 @@ 
+/*
+ * SAMSUNG Arndale board device tree source
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/dts-v1/;
+/include/ ARCH_CPU_DTS
+
+/ {
+	model = "SAMSUNG Arndale board based on EXYNOS5250";
+	compatible = "samsung,arndale", "samsung,exynos5250";
+
+	aliases {
+		serial0 = "/serial@12C20000";
+		console = "/serial@12C20000";
+	};
+};
diff --git a/boards.cfg b/boards.cfg
index 1e598cb..38c1ac7 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -319,6 +319,7 @@  origen			     arm	 armv7	     origen		 samsung	exynos
 s5pc210_universal            arm         armv7       universal_c210      samsung        exynos
 snow			     arm	 armv7	     smdk5250		 samsung	exynos
 smdk5250		     arm	 armv7	     smdk5250		 samsung	exynos
+arndale		     	     arm	 armv7	     arndale		 samsung	exynos
 smdkv310		     arm	 armv7	     smdkv310		 samsung	exynos
 trats                        arm         armv7       trats               samsung        exynos
 harmony                      arm         armv7:arm720t harmony           nvidia         tegra20
diff --git a/include/configs/arndale.h b/include/configs/arndale.h
new file mode 100644
index 0000000..63d636e
--- /dev/null
+++ b/include/configs/arndale.h
@@ -0,0 +1,36 @@ 
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * Configuration settings for the SAMSUNG Arndale board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_ARNDALE_H
+#define __CONFIG_ARNDALE_H
+
+#include <configs/exynos5250-dt.h>
+
+#undef CONFIG_DEFAULT_DEVICE_TREE
+#define CONFIG_DEFAULT_DEVICE_TREE	exynos5250-arndale
+
+#undef CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_IS_IN_MMC
+
+#endif	/* __CONFIG_ARNDALE_H */