Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'

48 files changed, 1194 insertions, 2026 deletions

diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile
index b2f9152e1b..4661155599 100644
--- a/arch/arm/cpu/armv7/exynos/Makefile
+++ b/arch/arm/cpu/armv7/exynos/Makefile
@@ -22,10 +22,19 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).o
 
-COBJS	+= clock.o power.o soc.o system.o pinmux.o tzpc.o
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+COBJS-y	+= clock.o power.o soc.o system.o pinmux.o tzpc.o
+
+ifdef CONFIG_SPL_BUILD
+COBJS-$(CONFIG_EXYNOS5)	+= clock_init_exynos5.o
+COBJS-$(CONFIG_EXYNOS5)	+= dmc_common.o dmc_init_ddr3.o
+COBJS-$(CONFIG_EXYNOS4210)+= dmc_init_exynos4.o clock_init_exynos4.o
+COBJS-y	+= spl_boot.o
+COBJS-y	+= lowlevel_init.o
+endif
+
+COBJS   := $(COBJS-y)
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
 
 all:	 $(obj).depend $(LIB)
 
diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index e1c42462e1..9f07181988 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -27,6 +27,10 @@
 #include <asm/arch/clk.h>
 #include <asm/arch/periph.h>
 
+#define PLL_DIV_1024	1024
+#define PLL_DIV_65535	65535
+#define PLL_DIV_65536	65536
+
 /* *
  * This structure is to store the src bit, div bit and prediv bit
  * positions of the peripheral clocks of the src and div registers
@@ -85,6 +89,7 @@ static struct set_epll_con_val exynos5_epll_div[] = {
 static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k)
 {
 	unsigned long m, p, s = 0, mask, fout;
+	unsigned int div;
 	unsigned int freq;
 	/*
 	 * APLL_CON: MIDV [25:16]
@@ -110,14 +115,42 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k)
 	if (pllreg == EPLL) {
 		k = k & 0xffff;
 		/* FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV) */
-		fout = (m + k / 65536) * (freq / (p * (1 << s)));
+		fout = (m + k / PLL_DIV_65536) * (freq / (p * (1 << s)));
 	} else if (pllreg == VPLL) {
 		k = k & 0xfff;
-		/* FOUT = (MDIV + K / 1024) * FIN / (PDIV * 2^SDIV) */
-		fout = (m + k / 1024) * (freq / (p * (1 << s)));
+
+		/*
+		 * Exynos4210
+		 * FOUT = (MDIV + K / 1024) * FIN / (PDIV * 2^SDIV)
+		 *
+		 * Exynos4412
+		 * FOUT = (MDIV + K / 65535) * FIN / (PDIV * 2^SDIV)
+		 *
+		 * Exynos5250
+		 * FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV)
+		 */
+		if (proid_is_exynos4210())
+			div = PLL_DIV_1024;
+		else if (proid_is_exynos4412())
+			div = PLL_DIV_65535;
+		else if (proid_is_exynos5250())
+			div = PLL_DIV_65536;
+		else
+			return 0;
+
+		fout = (m + k / div) * (freq / (p * (1 << s)));
 	} else {
-		/* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
-		fout = m * (freq / (p * (1 << s)));
+		/*
+		 * Exynos4210
+		 * FOUT = MDIV * FIN / (PDIV * 2^SDIV)
+		 *
+		 * Exynos4412 / Exynos5250
+		 * FOUT = MDIV * FIN / (PDIV * 2^(SDIV-1))
+		 */
+		if (proid_is_exynos4210())
+			fout = m * (freq / (p * (1 << s)));
+		else
+			fout = m * (freq / (p * (1 << (s - 1))));
 	}
 
 	return fout;
diff --git a/board/samsung/smdk5250/clock_init.h b/arch/arm/cpu/armv7/exynos/clock_init.h
index 20a1d47e06..20a1d47e06 100644
--- a/board/samsung/smdk5250/clock_init.h
+++ b/arch/arm/cpu/armv7/exynos/clock_init.h
diff --git a/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c b/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c
new file mode 100644
index 0000000000..31610909f8
--- /dev/null
+++ b/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c
@@ -0,0 +1,95 @@
+/*
+ * Clock Initialization for board based on EXYNOS4210
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ *
+ * 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 <version.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/clock.h>
+#include "common_setup.h"
+#include "exynos4_setup.h"
+
+/*
+ * system_clock_init: Initialize core clock and bus clock.
+ * void system_clock_init(void)
+ */
+void system_clock_init(void)
+{
+	struct exynos4_clock *clk =
+			(struct exynos4_clock *)samsung_get_base_clock();
+
+	writel(CLK_SRC_CPU_VAL, &clk->src_cpu);
+
+	sdelay(0x10000);
+
+	writel(CLK_SRC_TOP0_VAL, &clk->src_top0);
+	writel(CLK_SRC_TOP1_VAL, &clk->src_top1);
+	writel(CLK_SRC_DMC_VAL, &clk->src_dmc);
+	writel(CLK_SRC_LEFTBUS_VAL, &clk->src_leftbus);
+	writel(CLK_SRC_RIGHTBUS_VAL, &clk->src_rightbus);
+	writel(CLK_SRC_FSYS_VAL, &clk->src_fsys);
+	writel(CLK_SRC_PERIL0_VAL, &clk->src_peril0);
+	writel(CLK_SRC_CAM_VAL, &clk->src_cam);
+	writel(CLK_SRC_MFC_VAL, &clk->src_mfc);
+	writel(CLK_SRC_G3D_VAL, &clk->src_g3d);
+	writel(CLK_SRC_LCD0_VAL, &clk->src_lcd0);
+
+	sdelay(0x10000);
+
+	writel(CLK_DIV_CPU0_VAL, &clk->div_cpu0);
+	writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1);
+	writel(CLK_DIV_DMC0_VAL, &clk->div_dmc0);
+	writel(CLK_DIV_DMC1_VAL, &clk->div_dmc1);
+	writel(CLK_DIV_LEFTBUS_VAL, &clk->div_leftbus);
+	writel(CLK_DIV_RIGHTBUS_VAL, &clk->div_rightbus);
+	writel(CLK_DIV_TOP_VAL, &clk->div_top);
+	writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1);
+	writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2);
+	writel(CLK_DIV_FSYS3_VAL, &clk->div_fsys3);
+	writel(CLK_DIV_PERIL0_VAL, &clk->div_peril0);
+	writel(CLK_DIV_CAM_VAL, &clk->div_cam);
+	writel(CLK_DIV_MFC_VAL, &clk->div_mfc);
+	writel(CLK_DIV_G3D_VAL, &clk->div_g3d);
+	writel(CLK_DIV_LCD0_VAL, &clk->div_lcd0);
+
+	/* Set PLL locktime */
+	writel(PLL_LOCKTIME, &clk->apll_lock);
+	writel(PLL_LOCKTIME, &clk->mpll_lock);
+	writel(PLL_LOCKTIME, &clk->epll_lock);
+	writel(PLL_LOCKTIME, &clk->vpll_lock);
+
+	writel(APLL_CON1_VAL, &clk->apll_con1);
+	writel(APLL_CON0_VAL, &clk->apll_con0);
+	writel(MPLL_CON1_VAL, &clk->mpll_con1);
+	writel(MPLL_CON0_VAL, &clk->mpll_con0);
+	writel(EPLL_CON1_VAL, &clk->epll_con1);
+	writel(EPLL_CON0_VAL, &clk->epll_con0);
+	writel(VPLL_CON1_VAL, &clk->vpll_con1);
+	writel(VPLL_CON0_VAL, &clk->vpll_con0);
+
+	sdelay(0x30000);
+}
diff --git a/board/samsung/smdk5250/clock_init.c b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c
index b288e66f0e..0f9c57235d 100644
--- a/board/samsung/smdk5250/clock_init.c
+++ b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c
@@ -31,7 +31,8 @@
 #include <asm/arch/dwmmc.h>
 
 #include "clock_init.h"
-#include "setup.h"
+#include "common_setup.h"
+#include "exynos5_setup.h"
 
 #define FSYS1_MMC0_DIV_MASK	0xff0f
 #define FSYS1_MMC0_DIV_VAL	0x0701
@@ -214,10 +215,10 @@ struct mem_timings mem_timings[] = {
 			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,
+		.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,
@@ -317,10 +318,10 @@ struct mem_timings mem_timings[] = {
 			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,
+		.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,
@@ -350,9 +351,8 @@ struct mem_timings mem_timings[] = {
  * @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,
+static void clock_get_mem_selection(enum ddr_mode *mem_type,
 		unsigned *frequency_mhz, unsigned *arm_freq,
 		enum mem_manuf *mem_manuf)
 {
@@ -363,8 +363,6 @@ static int clock_get_mem_selection(enum ddr_mode *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 */
@@ -376,9 +374,9 @@ struct arm_clk_ratios *get_arm_ratios(void)
 	unsigned frequency_mhz, arm_freq;
 	int i;
 
-	if (clock_get_mem_selection(&mem_type, &frequency_mhz,
-					&arm_freq, &mem_manuf))
-		;
+	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)
@@ -400,15 +398,14 @@ struct mem_timings *clock_get_mem_timings(void)
 	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;
-		}
+	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 */
@@ -420,7 +417,8 @@ struct mem_timings *clock_get_mem_timings(void)
 
 void system_clock_init()
 {
-	struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
+	struct exynos5_clock *clk =
+		(struct exynos5_clock *)samsung_get_base_clock();
 	struct mem_timings *mem;
 	struct arm_clk_ratios *arm_clk_ratio;
 	u32 val, tmp;
@@ -660,7 +658,8 @@ void system_clock_init()
 
 void clock_init_dp_clock(void)
 {
-	struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
+	struct exynos5_clock *clk =
+		(struct exynos5_clock *)samsung_get_base_clock();
 
 	/* DP clock enable */
 	setbits_le32(&clk->gate_ip_disp1, CLK_GATE_DP1_ALLOW);
@@ -675,7 +674,8 @@ void clock_init_dp_clock(void)
  */
 void emmc_boot_clk_div_set(void)
 {
-	struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
+	struct exynos5_clock *clk =
+		(struct exynos5_clock *)samsung_get_base_clock();
 	unsigned int div_mmc;
 
 	div_mmc = readl((unsigned int) &clk->div_fsys1) & ~FSYS1_MMC0_DIV_MASK;
diff --git a/arch/arm/cpu/armv7/exynos/common_setup.h b/arch/arm/cpu/armv7/exynos/common_setup.h
new file mode 100644
index 0000000000..e6318c0366
--- /dev/null
+++ b/arch/arm/cpu/armv7/exynos/common_setup.h
@@ -0,0 +1,45 @@
+/*
+ * Common APIs for EXYNOS based board
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ *
+ * 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
+ */
+
+#define DMC_OFFSET	0x10000
+
+/*
+ * Memory initialization
+ *
+ * @param reset     Reset PHY during initialization.
+ */
+void mem_ctrl_init(int reset);
+
+ /* System Clock initialization */
+void system_clock_init(void);
+
+/*
+ * Init subsystems according to the reset status
+ *
+ * @return 0 for a normal boot, non-zero for a resume
+ */
+int do_lowlevel_init(void);
+
+void sdelay(unsigned long);
diff --git a/board/samsung/smdk5250/dmc_common.c b/arch/arm/cpu/armv7/exynos/dmc_common.c
index 109602a2e6..645f57e5b7 100644
--- a/board/samsung/smdk5250/dmc_common.c
+++ b/arch/arm/cpu/armv7/exynos/dmc_common.c
@@ -26,7 +26,8 @@
 #include <asm/arch/spl.h>
 
 #include "clock_init.h"
-#include "setup.h"
+#include "common_setup.h"
+#include "exynos5_setup.h"
 
 #define ZQ_INIT_TIMEOUT	10000
 
@@ -175,7 +176,7 @@ void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc)
 	writel(DMC_MEMBASECONFIG1_VAL, &dmc->membaseconfig1);
 }
 
-void mem_ctrl_init()
+void mem_ctrl_init(int reset)
 {
 	struct spl_machine_param *param = spl_get_machine_params();
 	struct mem_timings *mem;
@@ -185,7 +186,7 @@ void mem_ctrl_init()
 
 	/* 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);
+		ret = ddr3_mem_ctrl_init(mem, param->mem_iv_size, reset);
 		if (ret) {
 			/* will hang if failed to init memory control */
 			while (1)
diff --git a/board/samsung/smdk5250/dmc_init_ddr3.c b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
index e05079028a..e03d74b78a 100644
--- a/board/samsung/smdk5250/dmc_init_ddr3.c
+++ b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
@@ -27,31 +27,36 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/dmc.h>
-#include "setup.h"
+#include "common_setup.h"
+#include "exynos5_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;
+	struct exynos5_clock *clk =
+		(struct exynos5_clock *)samsung_get_base_clock();
 
 	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)
+int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
+		       int reset)
 {
 	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;
+	phy0_ctrl = (struct exynos5_phy_control *)samsung_get_base_dmc_phy();
+	phy1_ctrl = (struct exynos5_phy_control *)(samsung_get_base_dmc_phy()
+							+ DMC_OFFSET);
+	dmc = (struct exynos5_dmc *)samsung_get_base_dmc_ctrl();
 
-	reset_phy_ctrl();
+	if (reset)
+		reset_phy_ctrl();
 
 	/* Set Impedance Output Driver */
 	val = (mem->impedance << CA_CK_DRVR_DS_OFFSET) |
@@ -100,14 +105,14 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size)
 
 	/* Start DLL locking */
 	writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
-		&phy0_ctrl->phy_con12);
+	       &phy0_ctrl->phy_con12);
 	writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
-		&phy1_ctrl->phy_con12);
+	       &phy1_ctrl->phy_con12);
 
 	update_reset_dll(dmc, DDR_MODE_DDR3);
 
 	writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
-		&dmc->concontrol);
+	       &dmc->concontrol);
 
 	/* Memory Channel Inteleaving Size */
 	writel(mem->iv_size, &dmc->ivcontrol);
@@ -119,7 +124,7 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size)
 
 	/* Precharge Configuration */
 	writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
-		&dmc->prechconfig);
+	       &dmc->prechconfig);
 
 	/* Power Down mode Configuration */
 	writel(mem->dpwrdn_cyc << PWRDNCONFIG_DPWRDN_CYC_SHIFT |
diff --git a/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c b/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c
new file mode 100644
index 0000000000..ecddc72684
--- /dev/null
+++ b/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c
@@ -0,0 +1,213 @@
+/*
+ * Memory setup for board based on EXYNOS4210
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ *
+ * 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/arch/dmc.h>
+#include "common_setup.h"
+#include "exynos4_setup.h"
+
+struct mem_timings mem = {
+	.direct_cmd_msr = {
+		DIRECT_CMD1, DIRECT_CMD2, DIRECT_CMD3, DIRECT_CMD4
+	},
+	.timingref = TIMINGREF_VAL,
+	.timingrow = TIMINGROW_VAL,
+	.timingdata = TIMINGDATA_VAL,
+	.timingpower = TIMINGPOWER_VAL,
+	.zqcontrol = ZQ_CONTROL_VAL,
+	.control0 = CONTROL0_VAL,
+	.control1 = CONTROL1_VAL,
+	.control2 = CONTROL2_VAL,
+	.concontrol = CONCONTROL_VAL,
+	.prechconfig = PRECHCONFIG,
+	.memcontrol = MEMCONTROL_VAL,
+	.memconfig0 = MEMCONFIG0_VAL,
+	.memconfig1 = MEMCONFIG1_VAL,
+	.dll_resync = FORCE_DLL_RESYNC,
+	.dll_on = DLL_CONTROL_ON,
+};
+static void phy_control_reset(int ctrl_no, struct exynos4_dmc *dmc)
+{
+	if (ctrl_no) {
+		writel((mem.control1 | (1 << mem.dll_resync)),
+		       &dmc->phycontrol1);
+		writel((mem.control1 | (0 << mem.dll_resync)),
+		       &dmc->phycontrol1);
+	} else {
+		writel((mem.control0 | (0 << mem.dll_on)),
+		       &dmc->phycontrol0);
+		writel((mem.control0 | (1 << mem.dll_on)),
+		       &dmc->phycontrol0);
+	}
+}
+
+static void dmc_config_mrs(struct exynos4_dmc *dmc, int chip)
+{
+	int i;
+	unsigned long mask = 0;
+
+	if (chip)
+		mask = DIRECT_CMD_CHIP1_SHIFT;
+
+	for (i = 0; i < MEM_TIMINGS_MSR_COUNT; i++) {
+		writel(mem.direct_cmd_msr[i] | mask,
+		       &dmc->directcmd);
+	}
+}
+
+static void dmc_init(struct exynos4_dmc *dmc)
+{
+	/*
+	 * DLL Parameter Setting:
+	 * Termination: Enable R/W
+	 * Phase Delay for DQS Cleaning: 180' Shift
+	 */
+	writel(mem.control1, &dmc->phycontrol1);
+
+	/*
+	 * ZQ Calibration
+	 * Termination: Disable
+	 * Auto Calibration Start: Enable
+	 */
+	writel(mem.zqcontrol, &dmc->phyzqcontrol);
+	sdelay(0x100000);
+
+	/*
+	 * Update DLL Information:
+	 * Force DLL Resyncronization
+	 */
+	phy_control_reset(1, dmc);
+	phy_control_reset(0, dmc);
+
+	/* Set DLL Parameters */
+	writel(mem.control1, &dmc->phycontrol1);
+
+	/* DLL Start */
+	writel((mem.control0 | CTRL_START | CTRL_DLL_ON), &dmc->phycontrol0);
+
+	writel(mem.control2, &dmc->phycontrol2);
+
+	/* Set Clock Ratio of Bus clock to Memory Clock */
+	writel(mem.concontrol, &dmc->concontrol);
+
+	/*
+	 * Memor Burst length: 8
+	 * Number of chips: 2
+	 * Memory Bus width: 32 bit
+	 * Memory Type: DDR3
+	 * Additional Latancy for PLL: 1 Cycle
+	 */
+	writel(mem.memcontrol, &dmc->memcontrol);
+
+	writel(mem.memconfig0, &dmc->memconfig0);
+	writel(mem.memconfig1, &dmc->memconfig1);
+
+	/* Config Precharge Policy */
+	writel(mem.prechconfig, &dmc->prechconfig);
+	/*
+	 * TimingAref, TimingRow, TimingData, TimingPower Setting:
+	 * Values as per Memory AC Parameters
+	 */
+	writel(mem.timingref, &dmc->timingref);
+	writel(mem.timingrow, &dmc->timingrow);
+	writel(mem.timingdata, &dmc->timingdata);
+	writel(mem.timingpower, &dmc->timingpower);
+
+	/* Chip0: NOP Command: Assert and Hold CKE to high level */
+	writel(DIRECT_CMD_NOP, &dmc->directcmd);
+	sdelay(0x100000);
+
+	/* Chip0: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */
+	dmc_config_mrs(dmc, 0);
+	sdelay(0x100000);
+
+	/* Chip0: ZQINIT */
+	writel(DIRECT_CMD_ZQ, &dmc->directcmd);
+	sdelay(0x100000);
+
+	writel((DIRECT_CMD_NOP | DIRECT_CMD_CHIP1_SHIFT), &dmc->directcmd);
+	sdelay(0x100000);
+
+	/* Chip1: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */
+	dmc_config_mrs(dmc, 1);
+	sdelay(0x100000);
+
+	/* Chip1: ZQINIT */
+	writel((DIRECT_CMD_ZQ | DIRECT_CMD_CHIP1_SHIFT), &dmc->directcmd);
+	sdelay(0x100000);
+
+	phy_control_reset(1, dmc);
+	sdelay(0x100000);
+
+	/* turn on DREX0, DREX1 */
+	writel((mem.concontrol | AREF_EN), &dmc->concontrol);
+}
+
+void mem_ctrl_init(int reset)
+{
+	struct exynos4_dmc *dmc;
+
+	/*
+	 * Async bridge configuration at CPU_core:
+	 * 1: half_sync
+	 * 0: full_sync
+	 */
+	writel(1, ASYNC_CONFIG);
+#ifdef CONFIG_ORIGEN
+	/* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0x7 */
+	writel(APB_SFR_INTERLEAVE_CONF_VAL, EXYNOS4_MIU_BASE +
+		APB_SFR_INTERLEAVE_CONF_OFFSET);
+	/* Update MIU Configuration */
+	writel(APB_SFR_ARBRITATION_CONF_VAL, EXYNOS4_MIU_BASE +
+		APB_SFR_ARBRITATION_CONF_OFFSET);
+#else
+	writel(APB_SFR_INTERLEAVE_CONF_VAL, EXYNOS4_MIU_BASE +
+		APB_SFR_INTERLEAVE_CONF_OFFSET);
+	writel(INTERLEAVE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE +
+		ABP_SFR_INTERLEAVE_ADDRMAP_START_OFFSET);
+	writel(INTERLEAVE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE +
+		ABP_SFR_INTERLEAVE_ADDRMAP_END_OFFSET);
+	writel(INTERLEAVE_ADDR_MAP_EN, EXYNOS4_MIU_BASE +
+		ABP_SFR_SLV_ADDRMAP_CONF_OFFSET);
+#ifdef CONFIG_MIU_LINEAR
+	writel(SLAVE0_SINGLE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE +
+		ABP_SFR_SLV0_SINGLE_ADDRMAP_START_OFFSET);
+	writel(SLAVE0_SINGLE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE +
+		ABP_SFR_SLV0_SINGLE_ADDRMAP_END_OFFSET);
+	writel(SLAVE1_SINGLE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE +
+		ABP_SFR_SLV1_SINGLE_ADDRMAP_START_OFFSET);
+	writel(SLAVE1_SINGLE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE +
+		ABP_SFR_SLV1_SINGLE_ADDRMAP_END_OFFSET);
+	writel(APB_SFR_SLV_ADDR_MAP_CONF_VAL, EXYNOS4_MIU_BASE +
+		ABP_SFR_SLV_ADDRMAP_CONF_OFFSET);
+#endif
+#endif
+	/* DREX0 */
+	dmc = (struct exynos4_dmc *)samsung_get_base_dmc_ctrl();
+	dmc_init(dmc);
+	dmc = (struct exynos4_dmc *)(samsung_get_base_dmc_ctrl()
+					+ DMC_OFFSET);
+	dmc_init(dmc);
+}
diff --git a/board/samsung/origen/origen_setup.h b/arch/arm/cpu/armv7/exynos/exynos4_setup.h
index 926a4ccc29..6d250581d4 100644
--- a/board/samsung/origen/origen_setup.h
+++ b/arch/arm/cpu/armv7/exynos/exynos4_setup.h
@@ -1,5 +1,5 @@
 /*
- * Machine Specific Values for ORIGEN board based on S5PV310
+ * Machine Specific Values for EXYNOS4012 based board
  *
  * Copyright (C) 2011 Samsung Electronics
  *
@@ -29,98 +29,22 @@
 #include <version.h>
 #include <asm/arch/cpu.h>
 
-/* Offsets of clock registers (sources and dividers) */
-#define CLK_SRC_CPU_OFFSET	0x14200
-#define CLK_DIV_CPU0_OFFSET	0x14500
-#define CLK_DIV_CPU1_OFFSET	0x14504
-
-#define CLK_SRC_DMC_OFFSET	0x10200
-#define CLK_DIV_DMC0_OFFSET	0x10500
-#define CLK_DIV_DMC1_OFFSET	0x10504
-
-#define CLK_SRC_TOP0_OFFSET	0xC210
-#define CLK_SRC_TOP1_OFFSET	0xC214
-#define CLK_DIV_TOP_OFFSET	0xC510
-
-#define CLK_SRC_LEFTBUS_OFFSET	0x4200
-#define CLK_DIV_LEFTBUS_OFFSET	0x4500
-
-#define CLK_SRC_RIGHTBUS_OFFSET	0x8200
-#define CLK_DIV_RIGHTBUS_OFFSET	0x8500
-
-#define CLK_SRC_FSYS_OFFSET	0xC240
-#define CLK_DIV_FSYS1_OFFSET	0xC544
-#define CLK_DIV_FSYS2_OFFSET	0xC548
-#define CLK_DIV_FSYS3_OFFSET	0xC54C
-
-#define CLK_SRC_CAM_OFFSET	0xC220
-#define CLK_SRC_TV_OFFSET	0xC224
-#define CLK_SRC_MFC_OFFSET	0xC228
-#define CLK_SRC_G3D_OFFSET	0xC22C
-#define CLK_SRC_LCD0_OFFSET	0xC234
-#define CLK_SRC_PERIL0_OFFSET	0xC250
-
-#define CLK_DIV_CAM_OFFSET	0xC520
-#define CLK_DIV_TV_OFFSET	0xC524
-#define CLK_DIV_MFC_OFFSET	0xC528
-#define CLK_DIV_G3D_OFFSET	0xC52C
-#define CLK_DIV_LCD0_OFFSET	0xC534
-#define CLK_DIV_PERIL0_OFFSET	0xC550
-
-#define CLK_SRC_LCD0_OFFSET	0xC234
-
-#define APLL_LOCK_OFFSET	0x14000
-#define MPLL_LOCK_OFFSET	0x14008
-#define APLL_CON0_OFFSET	0x14100
-#define APLL_CON1_OFFSET	0x14104
-#define MPLL_CON0_OFFSET	0x14108
-#define MPLL_CON1_OFFSET	0x1410C
-
-#define EPLL_LOCK_OFFSET	0xC010
-#define VPLL_LOCK_OFFSET	0xC020
-#define EPLL_CON0_OFFSET	0xC110
-#define EPLL_CON1_OFFSET	0xC114
-#define VPLL_CON0_OFFSET	0xC120
-#define VPLL_CON1_OFFSET	0xC124
-
-/* DMC: DRAM Controllor Register offsets */
-#define DMC_CONCONTROL		0x00
-#define DMC_MEMCONTROL		0x04
-#define DMC_MEMCONFIG0		0x08
-#define DMC_MEMCONFIG1		0x0C
-#define DMC_DIRECTCMD		0x10
-#define DMC_PRECHCONFIG		0x14
-#define DMC_PHYCONTROL0		0x18
-#define DMC_PHYCONTROL1		0x1C
-#define DMC_PHYCONTROL2		0x20
-#define DMC_TIMINGAREF		0x30
-#define DMC_TIMINGROW		0x34
-#define DMC_TIMINGDATA		0x38
-#define DMC_TIMINGPOWER		0x3C
-#define DMC_PHYZQCONTROL	0x44
+#ifdef CONFIG_CLK_800_330_165
+#define DRAM_CLK_330
+#endif
+#ifdef CONFIG_CLK_1000_200_200
+#define DRAM_CLK_200
+#endif
+#ifdef CONFIG_CLK_1000_330_165
+#define DRAM_CLK_330
+#endif
+#ifdef CONFIG_CLK_1000_400_200
+#define DRAM_CLK_400
+#endif
 
 /* Bus Configuration Register Address */
 #define ASYNC_CONFIG		0x10010350
 
-/* MIU Config Register Offsets*/
-#define APB_SFR_INTERLEAVE_CONF_OFFSET	0x400
-#define APB_SFR_ARBRITATION_CONF_OFFSET		0xC00
-
-/* Offset for inform registers */
-#define INFORM0_OFFSET			0x800
-#define INFORM1_OFFSET			0x804
-
-/* GPIO Offsets for UART: GPIO Contol Register */
-#define EXYNOS4_GPIO_A0_CON_OFFSET	0x00
-#define EXYNOS4_GPIO_A1_CON_OFFSET	0x20
-
-/* UART Register offsets */
-#define ULCON_OFFSET		0x00
-#define UCON_OFFSET		0x04
-#define UFCON_OFFSET		0x08
-#define UBRDIV_OFFSET		0x28
-#define UFRACVAL_OFFSET		0x2C
-
 /* CLK_SRC_CPU */
 #define MUX_HPM_SEL_MOUTAPLL		0x0
 #define MUX_HPM_SEL_SCLKMPLL		0x1
@@ -485,123 +409,186 @@
 				| (VPLL_MRR << 24) \
 				| (VPLL_MFR << 16) \
 				| (VPLL_K << 0))
-/*
- * UART GPIO_A0/GPIO_A1 Control Register Value
- * 0x2: UART Function
- */
-#define EXYNOS4_GPIO_A0_CON_VAL	0x22222222
-#define EXYNOS4_GPIO_A1_CON_VAL	0x222222
-
-/* ULCON: UART Line Control Value 8N1 */
-#define WORD_LEN_5_BIT		0x00
-#define WORD_LEN_6_BIT		0x01
-#define WORD_LEN_7_BIT		0x02
-#define WORD_LEN_8_BIT		0x03
-
-#define STOP_BIT_1		0x00
-#define STOP_BIT_2		0x01
-
-#define NO_PARITY			0x00
-#define ODD_PARITY			0x4
-#define EVEN_PARITY			0x5
-#define FORCED_PARITY_CHECK_AS_1	0x6
-#define FORCED_PARITY_CHECK_AS_0	0x7
-
-#define INFRAMODE_NORMAL		0x00
-#define INFRAMODE_INFRARED		0x01
-
-#define ULCON_VAL		((INFRAMODE_NORMAL << 6) \
-				| (NO_PARITY << 3) \
-				| (STOP_BIT_1 << 2) \
-				| (WORD_LEN_8_BIT << 0))
 
-/*
- * UCON: UART Control Value
- * Tx_interrupt Type: Level
- * Rx_interrupt Type: Level
- * Rx Timeout Enabled: Yes
- * Rx-Error Atatus_Int Enable: Yes
- * Loop_Back: No
- * Break Signal: No
- * Transmit mode : Interrupt request/polling
- * Receive mode : Interrupt request/polling
- */
-#define TX_PULSE_INTERRUPT	0
-#define TX_LEVEL_INTERRUPT	1
-#define RX_PULSE_INTERRUPT	0
-#define RX_LEVEL_INTERRUPT	1
-
-#define RX_TIME_OUT		ENABLE
-#define RX_ERROR_STATE_INT_ENB	ENABLE
-#define LOOP_BACK		DISABLE
-#define BREAK_SIGNAL		DISABLE
-
-#define TX_MODE_DISABLED	0X00
-#define TX_MODE_IRQ_OR_POLL	0X01
-#define TX_MODE_DMA		0X02
-
-#define RX_MODE_DISABLED	0X00
-#define RX_MODE_IRQ_OR_POLL	0X01
-#define RX_MODE_DMA		0X02
-
-#define UCON_VAL		((TX_LEVEL_INTERRUPT << 9) \
-				| (RX_LEVEL_INTERRUPT << 8) \
-				| (RX_TIME_OUT << 7) \
-				| (RX_ERROR_STATE_INT_ENB << 6) \
-				| (LOOP_BACK << 5) \
-				| (BREAK_SIGNAL << 4) \
-				| (TX_MODE_IRQ_OR_POLL << 2) \
-				| (RX_MODE_IRQ_OR_POLL << 0))
+/* DMC */
+#define DIRECT_CMD_NOP	0x07000000
+#define DIRECT_CMD_ZQ	0x0a000000
+#define DIRECT_CMD_CHIP1_SHIFT	(1 << 20)
+#define MEM_TIMINGS_MSR_COUNT	4
+#define CTRL_START	(1 << 0)
+#define CTRL_DLL_ON	(1 << 1)
+#define AREF_EN		(1 << 5)
+#define DRV_TYPE	(1 << 6)
+
+struct mem_timings {
+	unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT];
+	unsigned timingref;
+	unsigned timingrow;
+	unsigned timingdata;
+	unsigned timingpower;
+	unsigned zqcontrol;
+	unsigned control0;
+	unsigned control1;
+	unsigned control2;
+	unsigned concontrol;
+	unsigned prechconfig;
+	unsigned memcontrol;
+	unsigned memconfig0;
+	unsigned memconfig1;
+	unsigned dll_resync;
+	unsigned dll_on;
+};
+
+/* MIU */
+/* MIU Config Register Offsets*/
+#define APB_SFR_INTERLEAVE_CONF_OFFSET	0x400
+#define APB_SFR_ARBRITATION_CONF_OFFSET	0xC00
+#define ABP_SFR_SLV_ADDRMAP_CONF_OFFSET	0x800
+#define ABP_SFR_INTERLEAVE_ADDRMAP_START_OFFSET	0x808
+#define ABP_SFR_INTERLEAVE_ADDRMAP_END_OFFSET	0x810
+#define ABP_SFR_SLV0_SINGLE_ADDRMAP_START_OFFSET	0x818
+#define ABP_SFR_SLV0_SINGLE_ADDRMAP_END_OFFSET	0x820
+#define ABP_SFR_SLV1_SINGLE_ADDRMAP_START_OFFSET	0x828
+#define ABP_SFR_SLV1_SINGLE_ADDRMAP_END_OFFSET	0x830
+
+#ifdef CONFIG_ORIGEN
+/* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0x7 */
+#define APB_SFR_INTERLEAVE_CONF_VAL	0x20001507
+#define APB_SFR_ARBRITATION_CONF_VAL	0x00000001
+#endif
 
-/*
- * UFCON: UART FIFO Control Value
- * Tx FIFO Trigger LEVEL: 2 Bytes (001)
- * Rx FIFO Trigger LEVEL: 2 Bytes (001)
- * Tx Fifo Reset: No
- * Rx Fifo Reset: No
- * FIFO Enable: Yes
- */
-#define TX_FIFO_TRIGGER_LEVEL_0_BYTES	0x00
-#define TX_FIFO_TRIGGER_LEVEL_2_BYTES	0x1
-#define TX_FIFO_TRIGGER_LEVEL_4_BYTES	0x2
-#define TX_FIFO_TRIGGER_LEVEL_6_BYTES	0x3
-#define TX_FIFO_TRIGGER_LEVEL_8_BYTES	0x4
-#define TX_FIFO_TRIGGER_LEVEL_10_BYTES	0x5
-#define TX_FIFO_TRIGGER_LEVEL_12_BYTES	0x6
-#define TX_FIFO_TRIGGER_LEVEL_14_BYTES	0x7
-
-#define RX_FIFO_TRIGGER_LEVEL_2_BYTES	0x0
-#define RX_FIFO_TRIGGER_LEVEL_4_BYTES	0x1
-#define RX_FIFO_TRIGGER_LEVEL_6_BYTES	0x2
-#define RX_FIFO_TRIGGER_LEVEL_8_BYTES	0x3
-#define RX_FIFO_TRIGGER_LEVEL_10_BYTES	0x4
-#define RX_FIFO_TRIGGER_LEVEL_12_BYTES	0x5
-#define RX_FIFO_TRIGGER_LEVEL_14_BYTES	0x6
-#define RX_FIFO_TRIGGER_LEVEL_16_BYTES	0x7
-
-#define TX_FIFO_TRIGGER_LEVEL		TX_FIFO_TRIGGER_LEVEL_2_BYTES
-#define RX_FIFO_TRIGGER_LEVEL		RX_FIFO_TRIGGER_LEVEL_4_BYTES
-#define TX_FIFO_RESET			DISABLE
-#define RX_FIFO_RESET			DISABLE
-#define FIFO_ENABLE			ENABLE
-#define UFCON_VAL			((TX_FIFO_TRIGGER_LEVEL << 8) \
-					| (RX_FIFO_TRIGGER_LEVEL << 4) \
-					| (TX_FIFO_RESET << 2) \
-					| (RX_FIFO_RESET << 1) \
-					| (FIFO_ENABLE << 0))
-/*
- * Baud Rate Division Value
- * 115200 BAUD:
- * UBRDIV_VAL = SCLK_UART/((115200 * 16) - 1)
- * UBRDIV_VAL = (800 MHz)/((115200 * 16) - 1)
- */
-#define UBRDIV_VAL		0x35
+#define INTERLEAVE_ADDR_MAP_START_ADDR	0x40000000
+#define INTERLEAVE_ADDR_MAP_END_ADDR	0xbfffffff
+#define INTERLEAVE_ADDR_MAP_EN		0x00000001
 
-/*
- * Fractional Part of Baud Rate Divisor:
- * 115200 BAUD:
- * UBRFRACVAL = ((((SCLK_UART*10/(115200*16) -10))%10)*16/10)
- * UBRFRACVAL = ((((800MHz*10/(115200*16) -10))%10)*16/10)
- */
-#define UFRACVAL_VAL		0x4
+#ifdef CONFIG_MIU_1BIT_INTERLEAVED
+/* Interleave_bit0: 0xC*/
+#define APB_SFR_INTERLEAVE_CONF_VAL	0x0000000c
+#endif
+#ifdef CONFIG_MIU_2BIT_INTERLEAVED
+/* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0xc */
+#define APB_SFR_INTERLEAVE_CONF_VAL	0x2000150c
+#endif
+#define SLAVE0_SINGLE_ADDR_MAP_START_ADDR	0x40000000
+#define SLAVE0_SINGLE_ADDR_MAP_END_ADDR		0x7fffffff
+#define SLAVE1_SINGLE_ADDR_MAP_START_ADDR	0x80000000
+#define SLAVE1_SINGLE_ADDR_MAP_END_ADDR		0xbfffffff
+/* Enable SME0 and SME1*/
+#define APB_SFR_SLV_ADDR_MAP_CONF_VAL		0x00000006
+
+#define FORCE_DLL_RESYNC	3
+#define DLL_CONTROL_ON		1
+
+#define DIRECT_CMD1	0x00020000
+#define DIRECT_CMD2	0x00030000
+#define DIRECT_CMD3	0x00010002
+#define DIRECT_CMD4	0x00000328
+
+#define CTRL_ZQ_MODE_NOTERM	(0x1 << 0)
+#define CTRL_ZQ_START		(0x1 << 1)
+#define CTRL_ZQ_DIV		(0 << 4)
+#define CTRL_ZQ_MODE_DDS	(0x7 << 8)
+#define CTRL_ZQ_MODE_TERM	(0x2 << 11)
+#define CTRL_ZQ_FORCE_IMPN	(0x5 << 14)
+#define CTRL_ZQ_FORCE_IMPP	(0x6 << 17)
+#define CTRL_DCC		(0xE38 << 20)
+#define ZQ_CONTROL_VAL		(CTRL_ZQ_MODE_NOTERM | CTRL_ZQ_START\
+				| CTRL_ZQ_DIV | CTRL_ZQ_MODE_DDS\
+				| CTRL_ZQ_MODE_TERM | CTRL_ZQ_FORCE_IMPN\
+				| CTRL_ZQ_FORCE_IMPP | CTRL_DCC)
+
+#define ASYNC			(0 << 0)
+#define CLK_RATIO		(1 << 1)
+#define DIV_PIPE		(1 << 3)
+#define AWR_ON			(1 << 4)
+#define AREF_DISABLE		(0 << 5)
+#define DRV_TYPE_DISABLE	(0 << 6)
+#define CHIP0_NOT_EMPTY		(0 << 8)
+#define CHIP1_NOT_EMPTY		(0 << 9)
+#define DQ_SWAP_DISABLE		(0 << 10)
+#define QOS_FAST_DISABLE	(0 << 11)
+#define RD_FETCH		(0x3 << 12)
+#define TIMEOUT_LEVEL0		(0xFFF << 16)
+#define CONCONTROL_VAL		(ASYNC | CLK_RATIO | DIV_PIPE | AWR_ON\
+				| AREF_DISABLE | DRV_TYPE_DISABLE\
+				| CHIP0_NOT_EMPTY | CHIP1_NOT_EMPTY\
+				| DQ_SWAP_DISABLE | QOS_FAST_DISABLE\
+				| RD_FETCH | TIMEOUT_LEVEL0)
+
+#define CLK_STOP_DISABLE	(0 << 1)
+#define DPWRDN_DISABLE		(0 << 2)
+#define DPWRDN_TYPE		(0 << 3)
+#define TP_DISABLE		(0 << 4)
+#define DSREF_DIABLE		(0 << 5)
+#define ADD_LAT_PALL		(1 << 6)
+#define MEM_TYPE_DDR3		(0x6 << 8)
+#define MEM_WIDTH_32		(0x2 << 12)
+#define NUM_CHIP_2		(1 << 16)
+#define BL_8			(0x3 << 20)
+#define MEMCONTROL_VAL		(CLK_STOP_DISABLE | DPWRDN_DISABLE\
+				| DPWRDN_TYPE | TP_DISABLE | DSREF_DIABLE\
+				| ADD_LAT_PALL | MEM_TYPE_DDR3 | MEM_WIDTH_32\
+				| NUM_CHIP_2 | BL_8)
+
+
+#define CHIP_BANK_8		(0x3 << 0)
+#define CHIP_ROW_14		(0x2 << 4)
+#define CHIP_COL_10		(0x3 << 8)
+#define CHIP_MAP_INTERLEAVED	(1 << 12)
+#define CHIP_MASK		(0xe0 << 16)
+#ifdef CONFIG_MIU_LINEAR
+#define CHIP0_BASE		(0x40 << 24)
+#define CHIP1_BASE		(0x60 << 24)
+#else
+#define CHIP0_BASE		(0x20 << 24)
+#define CHIP1_BASE		(0x40 << 24)
+#endif
+#define MEMCONFIG0_VAL		(CHIP_BANK_8 | CHIP_ROW_14 | CHIP_COL_10\
+				| CHIP_MAP_INTERLEAVED | CHIP_MASK | CHIP0_BASE)
+#define MEMCONFIG1_VAL		(CHIP_BANK_8 | CHIP_ROW_14 | CHIP_COL_10\
+				| CHIP_MAP_INTERLEAVED | CHIP_MASK | CHIP1_BASE)
+
+#define TP_CNT			(0xff << 24)
+#define PRECHCONFIG		TP_CNT
+
+#define CTRL_OFF		(0 << 0)
+#define CTRL_DLL_OFF		(0 << 1)
+#define CTRL_HALF		(0 << 2)
+#define CTRL_DFDQS		(1 << 3)
+#define DQS_DELAY		(0 << 4)
+#define CTRL_START_POINT	(0x10 << 8)
+#define CTRL_INC		(0x10 << 16)
+#define CTRL_FORCE		(0x71 << 24)
+#define CONTROL0_VAL		(CTRL_OFF | CTRL_DLL_OFF | CTRL_HALF\
+				| CTRL_DFDQS | DQS_DELAY | CTRL_START_POINT\
+				| CTRL_INC | CTRL_FORCE)
+
+#define CTRL_SHIFTC		(0x6 << 0)
+#define CTRL_REF		(8 << 4)
+#define CTRL_SHGATE		(1 << 29)
+#define TERM_READ_EN		(1 << 30)
+#define TERM_WRITE_EN		(1 << 31)
+#define CONTROL1_VAL		(CTRL_SHIFTC | CTRL_REF | CTRL_SHGATE\
+				| TERM_READ_EN | TERM_WRITE_EN)
+
+#define CONTROL2_VAL		0x00000000
+
+#ifdef CONFIG_ORIGEN
+#define TIMINGREF_VAL		0x000000BB
+#define TIMINGROW_VAL		0x4046654f
+#define	TIMINGDATA_VAL		0x46400506
+#define	TIMINGPOWER_VAL		0x52000A3C
+#else
+#define TIMINGREF_VAL		0x000000BC
+#ifdef DRAM_CLK_330
+#define TIMINGROW_VAL		0x3545548d
+#define	TIMINGDATA_VAL		0x45430506
+#define	TIMINGPOWER_VAL		0x4439033c
+#endif
+#ifdef DRAM_CLK_400
+#define TIMINGROW_VAL		0x45430506
+#define	TIMINGDATA_VAL		0x56500506
+#define	TIMINGPOWER_VAL		0x5444033d
+#endif
+#endif
 #endif
diff --git a/board/samsung/smdk5250/setup.h b/arch/arm/cpu/armv7/exynos/exynos5_setup.h
index eb91d13109..8f36c16040 100644
--- a/board/samsung/smdk5250/setup.h
+++ b/arch/arm/cpu/armv7/exynos/exynos5_setup.h
@@ -93,17 +93,17 @@
 #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_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)     \
+	DMC_MEMBASECONFIGX_CHIP_BASE(x) |       \
+	DMC_MEMBASECONFIGX_CHIP_MASK(0x780)     \
 )
 
 #define DMC_MEMBASECONFIG0_VAL  DMC_MEMBASECONFIG_VAL(0x40)
@@ -513,9 +513,11 @@ enum {
  *			which the DMC uses to decide how to split a memory
  *			chunk into smaller chunks to support concurrent
  *			accesses; may vary across boards.
+ * @param reset         Reset DDR PHY during initialization.
  * @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);
+int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
+			int reset);
 
 /*
  * Configure ZQ I/O interface
@@ -562,8 +564,4 @@ void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc);
  * @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/arch/arm/cpu/armv7/exynos/lowlevel_init.c b/arch/arm/cpu/armv7/exynos/lowlevel_init.c
new file mode 100644
index 0000000000..11fe5b8d04
--- /dev/null
+++ b/arch/arm/cpu/armv7/exynos/lowlevel_init.c
@@ -0,0 +1,73 @@
+/*
+ * Lowlevel setup for EXYNOS5 based board
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ *
+ * 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/arch/cpu.h>
+#include <asm/arch/dmc.h>
+#include <asm/arch/power.h>
+#include <asm/arch/tzpc.h>
+#include <asm/arch/periph.h>
+#include <asm/arch/pinmux.h>
+#include "common_setup.h"
+
+/* These are the things we can do during low-level init */
+enum {
+	DO_WAKEUP	= 1 << 0,
+	DO_CLOCKS	= 1 << 1,
+	DO_MEM_RESET	= 1 << 2,
+	DO_UART		= 1 << 3,
+};
+
+int do_lowlevel_init(void)
+{
+	uint32_t reset_status;
+	int actions = 0;
+
+	arch_cpu_init();
+
+	reset_status = get_reset_status();
+
+	switch (reset_status) {
+	case S5P_CHECK_SLEEP:
+		actions = DO_CLOCKS | DO_WAKEUP;
+		break;
+	case S5P_CHECK_DIDLE:
+	case S5P_CHECK_LPA:
+		actions = DO_WAKEUP;
+		break;
+	default:
+		/* This is a normal boot (not a wake from sleep) */
+		actions = DO_CLOCKS | DO_MEM_RESET;
+	}
+
+	if (actions & DO_CLOCKS) {
+		system_clock_init();
+		mem_ctrl_init(actions & DO_MEM_RESET);
+		tzpc_init();
+	}
+
+	return actions & DO_WAKEUP;
+}
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index bd499b4761..2042062344 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -408,9 +408,49 @@ static int exynos4_mmc_config(int peripheral, int flags)
 	return 0;
 }
 
+static void exynos4_uart_config(int peripheral)
+{
+	struct exynos4_gpio_part1 *gpio1 =
+		(struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1();
+	struct s5p_gpio_bank *bank;
+	int i, start, count;
+
+	switch (peripheral) {
+	case PERIPH_ID_UART0:
+		bank = &gpio1->a0;
+		start = 0;
+		count = 4;
+		break;
+	case PERIPH_ID_UART1:
+		bank = &gpio1->a0;
+		start = 4;
+		count = 4;
+		break;
+	case PERIPH_ID_UART2:
+		bank = &gpio1->a1;
+		start = 0;
+		count = 4;
+		break;
+	case PERIPH_ID_UART3:
+		bank = &gpio1->a1;
+		start = 4;
+		count = 2;
+		break;
+	}
+	for (i = start; i < start + count; i++) {
+		s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
+		s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2));
+	}
+}
 static int exynos4_pinmux_config(int peripheral, int flags)
 {
 	switch (peripheral) {
+	case PERIPH_ID_UART0:
+	case PERIPH_ID_UART1:
+	case PERIPH_ID_UART2:
+	case PERIPH_ID_UART3:
+		exynos4_uart_config(peripheral);
+		break;
 	case PERIPH_ID_I2C0:
 	case PERIPH_ID_I2C1:
 	case PERIPH_ID_I2C2:
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
index 6375a81fd4..5d3bda2ad8 100644
--- a/arch/arm/cpu/armv7/exynos/power.c
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -140,3 +140,53 @@ void set_hw_thermal_trip(void)
 		setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP);
 	}
 }
+
+static uint32_t exynos5_get_reset_status(void)
+{
+	struct exynos5_power *power =
+		(struct exynos5_power *)samsung_get_base_power();
+
+	return power->inform1;
+}
+
+static uint32_t exynos4_get_reset_status(void)
+{
+	struct exynos4_power *power =
+		(struct exynos4_power *)samsung_get_base_power();
+
+	return power->inform1;
+}
+
+uint32_t get_reset_status(void)
+{
+	if (cpu_is_exynos5())
+		return exynos5_get_reset_status();
+	else
+		return  exynos4_get_reset_status();
+}
+
+static void exynos5_power_exit_wakeup(void)
+{
+	struct exynos5_power *power =
+		(struct exynos5_power *)samsung_get_base_power();
+	typedef void (*resume_func)(void);
+
+	((resume_func)power->inform0)();
+}
+
+static void exynos4_power_exit_wakeup(void)
+{
+	struct exynos4_power *power =
+		(struct exynos4_power *)samsung_get_base_power();
+	typedef void (*resume_func)(void);
+
+	((resume_func)power->inform0)();
+}
+
+void power_exit_wakeup(void)
+{
+	if (cpu_is_exynos5())
+		exynos5_power_exit_wakeup();
+	else
+		exynos4_power_exit_wakeup();
+}
diff --git a/board/samsung/smdk5250/spl_boot.c b/arch/arm/cpu/armv7/exynos/spl_boot.c
index 98f2286f9e..6e8dd3b5d7 100644
--- a/board/samsung/smdk5250/spl_boot.c
+++ b/arch/arm/cpu/armv7/exynos/spl_boot.c
@@ -23,12 +23,18 @@
 #include<common.h>
 #include<config.h>
 
-#include <asm/arch-exynos/dmc.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/clk.h>
+#include <asm/arch/dmc.h>
+#include <asm/arch/power.h>
+#include <asm/arch/spl.h>
 
+#include "common_setup.h"
 #include "clock_init.h"
 
+DECLARE_GLOBAL_DATA_PTR;
+#define OM_STAT         (0x1f << 1)
+
 /* Index into irom ptr table */
 enum index {
 	MMC_INDEX,
@@ -48,20 +54,12 @@ u32 irom_ptr_table[] = {
 	[USB_INDEX] = 0x02020070,	/* iROM Function Pointer-USB boot*/
 	};
 
-enum boot_mode {
-	BOOT_MODE_MMC = 4,
-	BOOT_MODE_SERIAL = 20,
-	BOOT_MODE_EMMC = 8,     /* EMMC4.4 */
-	/* Boot based on Operating Mode pin settings */
-	BOOT_MODE_OM = 32,
-	BOOT_MODE_USB,	/* Boot using USB download */
-};
-
 void *get_irom_func(int index)
 {
 	return (void *)*(u32 *)irom_ptr_table[index];
 }
 
+#ifdef CONFIG_USB_BOOTING
 /*
  * Set/clear program flow prediction and return the previous state.
  */
@@ -75,6 +73,7 @@ static int config_branch_prediction(int set_cr_z)
 
 	return cr & CR_Z;
 }
+#endif
 
 /*
 * Copy U-boot from mmc to RAM:
@@ -83,35 +82,42 @@ static int config_branch_prediction(int set_cr_z)
 */
 void copy_uboot_to_ram(void)
 {
-	int is_cr_z_set;
-	unsigned int sec_boot_check;
 	enum boot_mode bootmode = BOOT_MODE_OM;
 
-	u32 (*spi_copy)(u32 offset, u32 nblock, u32 dst);
-	u32 (*copy_bl2)(u32 offset, u32 nblock, u32 dst);
+	u32 (*copy_bl2)(u32 offset, u32 nblock, u32 dst) = NULL;
+	u32 offset = 0, size = 0;
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
 	u32 (*copy_bl2_from_emmc)(u32 nblock, u32 dst);
 	void (*end_bootop_from_emmc)(void);
+#endif
+#ifdef CONFIG_USB_BOOTING
 	u32 (*usb_copy)(void);
+	int is_cr_z_set;
+	unsigned int sec_boot_check;
 
 	/* Read iRAM location to check for secondary USB boot mode */
 	sec_boot_check = readl(EXYNOS_IRAM_SECONDARY_BASE);
 	if (sec_boot_check == EXYNOS_USB_SECONDARY_BOOT)
 		bootmode = BOOT_MODE_USB;
+#endif
 
 	if (bootmode == BOOT_MODE_OM)
-		bootmode = readl(EXYNOS5_POWER_BASE) & OM_STAT;
+		bootmode = readl(samsung_get_base_power()) & OM_STAT;
 
 	switch (bootmode) {
+#ifdef CONFIG_SPI_BOOTING
 	case BOOT_MODE_SERIAL:
-		spi_copy = get_irom_func(SPI_INDEX);
-		spi_copy(SPI_FLASH_UBOOT_POS, CONFIG_BL2_SIZE,
-			 CONFIG_SYS_TEXT_BASE);
+		offset = SPI_FLASH_UBOOT_POS;
+		size = CONFIG_BL2_SIZE;
+		copy_bl2 = get_irom_func(SPI_INDEX);
 		break;
+#endif
 	case BOOT_MODE_MMC:
+		offset = BL2_START_OFFSET;
+		size = BL2_SIZE_BLOC_COUNT;
 		copy_bl2 = get_irom_func(MMC_INDEX);
-		copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT,
-			 CONFIG_SYS_TEXT_BASE);
 		break;
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
 	case BOOT_MODE_EMMC:
 		/* Set the FSYS1 clock divisor value for EMMC boot */
 		emmc_boot_clk_div_set();
@@ -122,6 +128,8 @@ void copy_uboot_to_ram(void)
 		copy_bl2_from_emmc(BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE);
 		end_bootop_from_emmc();
 		break;
+#endif
+#ifdef CONFIG_USB_BOOTING
 	case BOOT_MODE_USB:
 		/*
 		 * iROM needs program flow prediction to be disabled
@@ -132,14 +140,50 @@ void copy_uboot_to_ram(void)
 		usb_copy();
 		config_branch_prediction(is_cr_z_set);
 		break;
+#endif
 	default:
 		break;
 	}
+
+	if (copy_bl2)
+		copy_bl2(offset, size, CONFIG_SYS_TEXT_BASE);
+}
+
+void memzero(void *s, size_t n)
+{
+	char *ptr = s;
+	size_t i;
+
+	for (i = 0; i < n; i++)
+		*ptr++ = '\0';
+}
+
+/**
+ * Set up the U-Boot global_data pointer
+ *
+ * This sets the address of the global data, and sets up basic values.
+ *
+ * @param gdp   Value to give to gd
+ */
+static void setup_global_data(gd_t *gdp)
+{
+	gd = gdp;
+	memzero((void *)gd, sizeof(gd_t));
+	gd->flags |= GD_FLG_RELOC;
+	gd->baudrate = CONFIG_BAUDRATE;
+	gd->have_console = 1;
 }
 
 void board_init_f(unsigned long bootflag)
 {
+	__aligned(8) gd_t local_gd;
 	__attribute__((noreturn)) void (*uboot)(void);
+
+	setup_global_data(&local_gd);
+
+	if (do_lowlevel_init())
+		power_exit_wakeup();
+
 	copy_uboot_to_ram();
 
 	/* Jump to U-Boot image */
diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi
index cee4fe82cd..f98243c7a5 100644
--- a/arch/arm/dts/exynos5250.dtsi
+++ b/arch/arm/dts/exynos5250.dtsi
@@ -202,4 +202,31 @@
 		interrupts = <0 78 0>;
 	};
 
+	serial@12C00000 {
+		compatible = "samsung,exynos4210-uart";
+		reg = <0x12C00000 0x100>;
+		interrupts = <0 51 0>;
+		id = <0>;
+	};
+
+	serial@12C10000 {
+		compatible = "samsung,exynos4210-uart";
+		reg = <0x12C10000 0x100>;
+		interrupts = <0 52 0>;
+		id = <1>;
+	};
+
+	serial@12C20000 {
+		compatible = "samsung,exynos4210-uart";
+		reg = <0x12C20000 0x100>;
+		interrupts = <0 53 0>;
+		id = <2>;
+	};
+
+	serial@12C30000 {
+		compatible = "samsung,exynos4210-uart";
+		reg = <0x12C30000 0x100>;
+		interrupts = <0 54 0>;
+		id = <3>;
+	};
 };
diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h
index 36b98c83e1..8685c429fe 100644
--- a/arch/arm/include/asm/arch-exynos/cpu.h
+++ b/arch/arm/include/asm/arch-exynos/cpu.h
@@ -40,8 +40,7 @@
 #define EXYNOS4_WATCHDOG_BASE		0x10060000
 #define EXYNOS4_TZPC_BASE		0x10110000
 #define EXYNOS4_MIU_BASE		0x10600000
-#define EXYNOS4_DMC0_BASE		0x10400000
-#define EXYNOS4_DMC1_BASE		0x10410000
+#define EXYNOS4_DMC_CTRL_BASE		0x10400000
 #define EXYNOS4_GPIO_PART2_BASE		0x11000000
 #define EXYNOS4_GPIO_PART1_BASE		0x11400000
 #define EXYNOS4_FIMD_BASE		0x11C00000
@@ -64,6 +63,7 @@
 #define EXYNOS4_DP_BASE			DEVICE_NOT_AVAILABLE
 #define EXYNOS4_SPI_ISP_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS4_ACE_SFR_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS4_DMC_PHY_BASE		DEVICE_NOT_AVAILABLE
 
 /* EXYNOS4X12 */
 #define EXYNOS4X12_GPIO_PART3_BASE	0x03860000
@@ -76,8 +76,7 @@
 #define EXYNOS4X12_SYSTIMER_BASE	0x10050000
 #define EXYNOS4X12_WATCHDOG_BASE	0x10060000
 #define EXYNOS4X12_TZPC_BASE		0x10110000
-#define EXYNOS4X12_DMC0_BASE		0x10600000
-#define EXYNOS4X12_DMC1_BASE		0x10610000
+#define EXYNOS4X12_DMC_CTRL_BASE	0x10600000
 #define EXYNOS4X12_GPIO_PART4_BASE	0x106E0000
 #define EXYNOS4X12_GPIO_PART2_BASE	0x11000000
 #define EXYNOS4X12_GPIO_PART1_BASE	0x11400000
@@ -99,6 +98,7 @@
 #define EXYNOS4X12_SPI_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS4X12_SPI_ISP_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS4X12_ACE_SFR_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS4X12_DMC_PHY_BASE		DEVICE_NOT_AVAILABLE
 
 /* EXYNOS5 Common*/
 #define EXYNOS5_I2C_SPACING		0x10000
@@ -112,8 +112,7 @@
 #define EXYNOS5_TZPC_BASE		0x10100000
 #define EXYNOS5_WATCHDOG_BASE		0x101D0000
 #define EXYNOS5_ACE_SFR_BASE            0x10830000
-#define EXYNOS5_DMC_PHY0_BASE		0x10C00000
-#define EXYNOS5_DMC_PHY1_BASE		0x10C10000
+#define EXYNOS5_DMC_PHY_BASE		0x10C00000
 #define EXYNOS5_GPIO_PART3_BASE		0x10D10000
 #define EXYNOS5_DMC_CTRL_BASE		0x10DD0000
 #define EXYNOS5_GPIO_PART1_BASE		0x11400000
@@ -237,6 +236,8 @@ SAMSUNG_BASE(power, POWER_BASE)
 SAMSUNG_BASE(spi, SPI_BASE)
 SAMSUNG_BASE(spi_isp, SPI_ISP_BASE)
 SAMSUNG_BASE(tzpc, TZPC_BASE)
+SAMSUNG_BASE(dmc_ctrl, DMC_CTRL_BASE)
+SAMSUNG_BASE(dmc_phy, DMC_PHY_BASE)
 #endif
 
 #endif	/* _EXYNOS4_CPU_H */
diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h
index 3549667d91..44ad8d3391 100644
--- a/arch/arm/include/asm/arch-exynos/power.h
+++ b/arch/arm/include/asm/arch-exynos/power.h
@@ -888,4 +888,16 @@ void set_ps_hold_ctrl(void);
  * source as XXTI
  */
 void set_xclkout(void);
+
+/*
+ *  Read inform1 to get the reset status.
+ *  @return: the value can be either S5P_CHECK_SLEEP or
+ *  S5P_CHECK_DIDLE or S5P_CHECK_LPA as stored in inform1
+ *  if none of these then its normal booting.
+ */
+uint32_t get_reset_status(void);
+
+
+/* Read the resume function and call it */
+void power_exit_wakeup(void);
 #endif
diff --git a/arch/arm/include/asm/arch-exynos/spl.h b/arch/arm/include/asm/arch-exynos/spl.h
index 46b25a608b..59bb7e08d4 100644
--- a/arch/arm/include/asm/arch-exynos/spl.h
+++ b/arch/arm/include/asm/arch-exynos/spl.h
@@ -32,6 +32,7 @@ enum boot_mode {
 	 * pin values are the same across Exynos4 and Exynos5.
 	 */
 	BOOT_MODE_MMC = 4,
+	BOOT_MODE_EMMC = 8,     /* EMMC4.4 */
 	BOOT_MODE_SERIAL = 20,
 	/* Boot based on Operating Mode pin settings */
 	BOOT_MODE_OM = 32,
diff --git a/board/samsung/smdk5250/smdk5250-uboot-spl.lds b/board/samsung/common/exynos-uboot-spl.lds
index c0a7602089..c0a7602089 100644
--- a/board/samsung/smdk5250/smdk5250-uboot-spl.lds
+++ b/board/samsung/common/exynos-uboot-spl.lds
diff --git a/board/samsung/dts/exynos5250-smdk5250.dts b/board/samsung/dts/exynos5250-smdk5250.dts
index 93375a64b2..80ffe3047a 100644
--- a/board/samsung/dts/exynos5250-smdk5250.dts
+++ b/board/samsung/dts/exynos5250-smdk5250.dts
@@ -34,6 +34,8 @@
 		mmc1 = "/mmc@12210000";
 		mmc2 = "/mmc@12220000";
 		mmc3 = "/mmc@12230000";
+		serial0 = "/serial@12C30000";
+		console = "/serial@12C30000";
 	};
 
 	sromc@12250000 {
diff --git a/board/samsung/dts/exynos5250-snow.dts b/board/samsung/dts/exynos5250-snow.dts
index 24658c1989..fdc047a142 100644
--- a/board/samsung/dts/exynos5250-snow.dts
+++ b/board/samsung/dts/exynos5250-snow.dts
@@ -30,6 +30,12 @@
 		spi2 = "/spi@12d40000";
 		spi3 = "/spi@131a0000";
 		spi4 = "/spi@131b0000";
+		mmc0 = "/mmc@12200000";
+		mmc1 = "/mmc@12210000";
+		mmc2 = "/mmc@12220000";
+		mmc3 = "/mmc@12230000";
+		serial0 = "/serial@12C30000";
+		console = "/serial@12C30000";
 	};
 
 	sound@12d60000 {
@@ -56,6 +62,26 @@
 		};
 	};
 
+	mmc@12200000 {
+		samsung,bus-width = <8>;
+		samsung,timing = <1 3 3>;
+		samsung,removable = <0>;
+	};
+
+	mmc@12210000 {
+		status = "disabled";
+	};
+
+	mmc@12220000 {
+		samsung,bus-width = <4>;
+		samsung,timing = <1 2 3>;
+		samsung,removable = <1>;
+	};
+
+	mmc@12230000 {
+		status = "disabled";
+	};
+
 	tmu@10060000 {
 		samsung,min-temp	= <25>;
 		samsung,max-temp	= <125>;
diff --git a/board/samsung/origen/Makefile b/board/samsung/origen/Makefile
index 3a885a5cdb..63c8b46831 100644
--- a/board/samsung/origen/Makefile
+++ b/board/samsung/origen/Makefile
@@ -24,19 +24,12 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).o
 
-SOBJS	:= mem_setup.o
-SOBJS	+= lowlevel_init.o
-
 ifndef CONFIG_SPL_BUILD
 COBJS	+= origen.o
 endif
 
-ifdef CONFIG_SPL_BUILD
-COBJS	+= mmc_boot.o
-endif
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
 
 ALL	+=$(obj).depend $(LIB)
 
diff --git a/board/samsung/origen/lowlevel_init.S b/board/samsung/origen/lowlevel_init.S
deleted file mode 100644
index be9d418265..0000000000
--- a/board/samsung/origen/lowlevel_init.S
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- * Lowlevel setup for ORIGEN board based on EXYNOS4210
- *
- * Copyright (C) 2011 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>
-#include "origen_setup.h"
-/*
- * Register usages:
- *
- * r5 has zero always
- * r7 has GPIO part1 base 0x11400000
- * r6 has GPIO part2 base 0x11000000
- */
-
-_TEXT_BASE:
-	.word	CONFIG_SYS_TEXT_BASE
-
-	.globl lowlevel_init
-lowlevel_init:
-	push	{lr}
-
-	/* r5 has always zero */
-	mov	r5, #0
-	ldr	r7, =EXYNOS4_GPIO_PART1_BASE
-	ldr	r6, =EXYNOS4_GPIO_PART2_BASE
-
-	/* check reset status */
-	ldr	r0, =(EXYNOS4_POWER_BASE + INFORM1_OFFSET)
-	ldr	r1, [r0]
-
-	/* AFTR wakeup reset */
-	ldr	r2, =S5P_CHECK_DIDLE
-	cmp	r1, r2
-	beq	exit_wakeup
-
-	/* LPA wakeup reset */
-	ldr	r2, =S5P_CHECK_LPA
-	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_asm_init
-
-1:
-	/* for UART */
-	bl uart_asm_init
-	bl arch_cpu_init
-	bl tzpc_init
-	pop	{pc}
-
-wakeup_reset:
-	bl system_clock_init
-	bl mem_ctrl_asm_init
-	bl arch_cpu_init
-	bl tzpc_init
-
-exit_wakeup:
-	/* Load return address and jump to kernel */
-	ldr	r0, =(EXYNOS4_POWER_BASE + INFORM0_OFFSET)
-
-	/* r1 = physical address of exynos4210_cpu_resume function */
-	ldr	r1, [r0]
-
-	/* Jump to kernel*/
-	mov	pc, r1
-	nop
-	nop
-
-/*
- * system_clock_init: Initialize core clock and bus clock.
- * void system_clock_init(void)
- */
-system_clock_init:
-	push	{lr}
-	ldr	r0, =EXYNOS4_CLOCK_BASE
-
-	/* APLL(1), MPLL(1), CORE(0), HPM(0) */
-	ldr	r1, =CLK_SRC_CPU_VAL
-	ldr	r2, =CLK_SRC_CPU_OFFSET
-	str	r1, [r0, r2]
-
-	/* wait ?us */
-	mov	r1, #0x10000
-2:	subs	r1, r1, #1
-	bne	2b
-
-	ldr	r1, =CLK_SRC_TOP0_VAL
-	ldr	r2, =CLK_SRC_TOP0_OFFSET
-	str	r1, [r0, r2]
-
-	ldr	r1, =CLK_SRC_TOP1_VAL
-	ldr	r2, =CLK_SRC_TOP1_OFFSET
-	str	r1, [r0, r2]
-
-	/* DMC */
-	ldr	r1, =CLK_SRC_DMC_VAL
-	ldr	r2, =CLK_SRC_DMC_OFFSET
-	str	r1, [r0, r2]
-
-	/*CLK_SRC_LEFTBUS */
-	ldr	r1, =CLK_SRC_LEFTBUS_VAL
-	ldr	r2, =CLK_SRC_LEFTBUS_OFFSET
-	str	r1, [r0, r2]
-
-	/*CLK_SRC_RIGHTBUS */
-	ldr	r1, =CLK_SRC_RIGHTBUS_VAL
-	ldr	r2, =CLK_SRC_RIGHTBUS_OFFSET
-	str	r1, [r0, r2]
-
-	/* SATA: SCLKMPLL(0), MMC[0:4]: SCLKMPLL(6) */
-	ldr	r1, =CLK_SRC_FSYS_VAL
-	ldr	r2, =CLK_SRC_FSYS_OFFSET
-	str	r1, [r0, r2]
-
-	/* UART[0:4] */
-	ldr	r1, =CLK_SRC_PERIL0_VAL
-	ldr	r2, =CLK_SRC_PERIL0_OFFSET
-	str	r1, [r0, r2]
-
-	/* CAM , FIMC 0-3 */
-	ldr	r1, =CLK_SRC_CAM_VAL
-	ldr	r2, =CLK_SRC_CAM_OFFSET
-	str	r1, [r0, r2]
-
-	/* MFC */
-	ldr	r1, =CLK_SRC_MFC_VAL
-	ldr	r2, =CLK_SRC_MFC_OFFSET
-	str	r1, [r0, r2]
-
-	/* G3D */
-	ldr	r1, =CLK_SRC_G3D_VAL
-	ldr	r2, =CLK_SRC_G3D_OFFSET
-	str	r1, [r0, r2]
-
-	/* LCD0 */
-	ldr	r1, =CLK_SRC_LCD0_VAL
-	ldr	r2, =CLK_SRC_LCD0_OFFSET
-	str	r1, [r0, r2]
-
-	/* wait ?us */
-	mov	r1, #0x10000
-3:	subs	r1, r1, #1
-	bne	3b
-
-	/* CLK_DIV_CPU0 */
-	ldr	r1, =CLK_DIV_CPU0_VAL
-	ldr	r2, =CLK_DIV_CPU0_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_CPU1 */
-	ldr	r1, =CLK_DIV_CPU1_VAL
-	ldr	r2, =CLK_DIV_CPU1_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_DMC0 */
-	ldr	r1, =CLK_DIV_DMC0_VAL
-	ldr	r2, =CLK_DIV_DMC0_OFFSET
-	str	r1, [r0, r2]
-
-	/*CLK_DIV_DMC1 */
-	ldr	r1, =CLK_DIV_DMC1_VAL
-	ldr	r2, =CLK_DIV_DMC1_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_LEFTBUS */
-	ldr	r1, =CLK_DIV_LEFTBUS_VAL
-	ldr	r2, =CLK_DIV_LEFTBUS_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_RIGHTBUS */
-	ldr	r1, =CLK_DIV_RIGHTBUS_VAL
-	ldr	r2, =CLK_DIV_RIGHTBUS_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_TOP */
-	ldr	r1, =CLK_DIV_TOP_VAL
-	ldr	r2, =CLK_DIV_TOP_OFFSET
-	str	r1, [r0, r2]
-
-	/* MMC[0:1] */
-	ldr	r1, =CLK_DIV_FSYS1_VAL		/* 800(MPLL) / (15 + 1) */
-	ldr	r2, =CLK_DIV_FSYS1_OFFSET
-	str	r1, [r0, r2]
-
-	/* MMC[2:3] */
-	ldr	r1, =CLK_DIV_FSYS2_VAL		/* 800(MPLL) / (15 + 1) */
-	ldr	r2, =CLK_DIV_FSYS2_OFFSET
-	str	r1, [r0, r2]
-
-	/* MMC4 */
-	ldr	r1, =CLK_DIV_FSYS3_VAL		/* 800(MPLL) / (15 + 1) */
-	ldr	r2, =CLK_DIV_FSYS3_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_PERIL0: UART Clock Divisors */
-	ldr	r1, =CLK_DIV_PERIL0_VAL
-	ldr	r2, =CLK_DIV_PERIL0_OFFSET
-	str	r1, [r0, r2]
-
-	/* CAM, FIMC 0-3: CAM Clock Divisors */
-	ldr	r1, =CLK_DIV_CAM_VAL
-	ldr	r2, =CLK_DIV_CAM_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_MFC: MFC Clock Divisors */
-	ldr	r1, =CLK_DIV_MFC_VAL
-	ldr	r2, =CLK_DIV_MFC_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_G3D: G3D Clock Divisors */
-	ldr	r1, =CLK_DIV_G3D_VAL
-	ldr	r2, =CLK_DIV_G3D_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_LCD0: LCD0 Clock Divisors */
-	ldr	r1, =CLK_DIV_LCD0_VAL
-	ldr	r2, =CLK_DIV_LCD0_OFFSET
-	str	r1, [r0, r2]
-
-	/* Set PLL locktime */
-	ldr	r1, =PLL_LOCKTIME
-	ldr	r2, =APLL_LOCK_OFFSET
-	str	r1, [r0, r2]
-
-	ldr	r1, =PLL_LOCKTIME
-	ldr	r2, =MPLL_LOCK_OFFSET
-	str	r1, [r0, r2]
-
-	ldr	r1, =PLL_LOCKTIME
-	ldr	r2, =EPLL_LOCK_OFFSET
-	str	r1, [r0, r2]
-
-	ldr	r1, =PLL_LOCKTIME
-	ldr	r2, =VPLL_LOCK_OFFSET
-	str	r1, [r0, r2]
-
-	/* APLL_CON1 */
-	ldr	r1, =APLL_CON1_VAL
-	ldr	r2, =APLL_CON1_OFFSET
-	str	r1, [r0, r2]
-
-	/* APLL_CON0 */
-	ldr	r1, =APLL_CON0_VAL
-	ldr	r2, =APLL_CON0_OFFSET
-	str	r1, [r0, r2]
-
-	/* MPLL_CON1 */
-	ldr	r1, =MPLL_CON1_VAL
-	ldr	r2, =MPLL_CON1_OFFSET
-	str	r1, [r0, r2]
-
-	/* MPLL_CON0 */
-	ldr	r1, =MPLL_CON0_VAL
-	ldr	r2, =MPLL_CON0_OFFSET
-	str	r1, [r0, r2]
-
-	/* EPLL */
-	ldr	r1, =EPLL_CON1_VAL
-	ldr	r2, =EPLL_CON1_OFFSET
-	str	r1, [r0, r2]
-
-	/* EPLL_CON0 */
-	ldr	r1, =EPLL_CON0_VAL
-	ldr	r2, =EPLL_CON0_OFFSET
-	str	r1, [r0, r2]
-
-	/* VPLL_CON1 */
-	ldr	r1, =VPLL_CON1_VAL
-	ldr	r2, =VPLL_CON1_OFFSET
-	str	r1, [r0, r2]
-
-	/* VPLL_CON0 */
-	ldr	r1, =VPLL_CON0_VAL
-	ldr	r2, =VPLL_CON0_OFFSET
-	str	r1, [r0, r2]
-
-	/* wait ?us */
-	mov	r1, #0x30000
-4:	subs	r1, r1, #1
-	bne	4b
-
-	pop	{pc}
-/*
- * uart_asm_init: Initialize UART in asm mode, 115200bps fixed.
- * void uart_asm_init(void)
- */
-	.globl uart_asm_init
-uart_asm_init:
-
-	/* setup UART0-UART3 GPIOs (part1) */
-	mov	r0, r7
-	ldr	r1, =EXYNOS4_GPIO_A0_CON_VAL
-	str	r1, [r0, #EXYNOS4_GPIO_A0_CON_OFFSET]
-	ldr	r1, =EXYNOS4_GPIO_A1_CON_VAL
-	str	r1, [r0, #EXYNOS4_GPIO_A1_CON_OFFSET]
-
-	ldr r0, =EXYNOS4_UART_BASE
-	add r0, r0, #EXYNOS4_DEFAULT_UART_OFFSET
-
-	ldr	r1, =ULCON_VAL
-	str	r1, [r0, #ULCON_OFFSET]
-	ldr	r1, =UCON_VAL
-	str	r1, [r0, #UCON_OFFSET]
-	ldr	r1, =UFCON_VAL
-	str	r1, [r0, #UFCON_OFFSET]
-	ldr	r1, =UBRDIV_VAL
-	str	r1, [r0, #UBRDIV_OFFSET]
-	ldr	r1, =UFRACVAL_VAL
-	str	r1, [r0, #UFRACVAL_OFFSET]
-	mov	pc, lr
-	nop
-	nop
-	nop
-
diff --git a/board/samsung/origen/mem_setup.S b/board/samsung/origen/mem_setup.S
deleted file mode 100644
index b49b193a79..0000000000
--- a/board/samsung/origen/mem_setup.S
+++ /dev/null
@@ -1,421 +0,0 @@
-/*
- * Memory setup for ORIGEN board based on EXYNOS4210
- *
- * Copyright (C) 2011 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 "origen_setup.h"
-#define SET_MIU
-
-	.globl mem_ctrl_asm_init
-mem_ctrl_asm_init:
-	/*
-	 * Async bridge configuration at CPU_core:
-	 * 1: half_sync
-	 * 0: full_sync
-	 */
-	ldr r0, =ASYNC_CONFIG
-	mov r1, #1
-	str r1, [r0]
-
-#ifdef SET_MIU
-	ldr	r0, =EXYNOS4_MIU_BASE
-	/* Interleave: 2Bit, Interleave_bit1: 0x21, Interleave_bit2: 0x7 */
-	ldr	r1, =0x20001507
-	str	r1, [r0, #APB_SFR_INTERLEAVE_CONF_OFFSET]
-
-	/* Update MIU Configuration */
-	ldr	r1, =0x00000001
-	str	r1, [r0, #APB_SFR_ARBRITATION_CONF_OFFSET]
-#endif
-	/* DREX0 */
-	ldr	r0, =EXYNOS4_DMC0_BASE
-
-	/*
-	 * DLL Parameter Setting:
-	 * Termination: Enable R/W
-	 * Phase Delay for DQS Cleaning: 180' Shift
-	 */
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/*
-	 * ZQ Calibration
-	 * Termination: Disable
-	 * Auto Calibration Start: Enable
-	 */
-	ldr	r1, =0xE3855703
-	str	r1, [r0, #DMC_PHYZQCONTROL]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-1:	subs	r2, r2, #1
-	bne	1b
-
-	/*
-	 * Update DLL Information:
-	 * Force DLL Resyncronization
-	 */
-	ldr	r1, =0xe000008e
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/* Reset Force DLL Resyncronization */
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/* Enable Differential DQS, DLL Off*/
-	ldr	r1, =0x71101008
-	str	r1, [r0, #DMC_PHYCONTROL0]
-
-	/* Activate PHY DLL: DLL On */
-	ldr	r1, =0x7110100A
-	str	r1, [r0, #DMC_PHYCONTROL0]
-
-	/* Set DLL Parameters */
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/* DLL Start */
-	ldr	r1, =0x7110100B
-	str	r1, [r0, #DMC_PHYCONTROL0]
-
-	ldr	r1, =0x00000000
-	str	r1, [r0, #DMC_PHYCONTROL2]
-
-	/* Set Clock Ratio of Bus clock to Memory Clock */
-	ldr	r1, =0x0FFF301a
-	str	r1, [r0, #DMC_CONCONTROL]
-
-	/*
-	 * Memor Burst length: 8
-	 * Number of chips: 2
-	 * Memory Bus width: 32 bit
-	 * Memory Type: DDR3
-	 * Additional Latancy for PLL: 1 Cycle
-	 */
-	ldr	r1, =0x00312640
-	str	r1, [r0, #DMC_MEMCONTROL]
-
-	/*
-	 * Memory Configuration Chip 0
-	 * Address Mapping: Interleaved
-	 * Number of Column address Bits: 10 bits
-	 * Number of Rows Address Bits: 14
-	 * Number of Banks: 8
-	 */
-	ldr	r1, =0x20e01323
-	str	r1, [r0, #DMC_MEMCONFIG0]
-
-	/*
-	 * Memory Configuration Chip 1
-	 * Address Mapping: Interleaved
-	 * Number of Column address Bits: 10 bits
-	 * Number of Rows Address Bits: 14
-	 * Number of Banks: 8
-	 */
-	ldr	r1, =0x40e01323
-	str	r1, [r0, #DMC_MEMCONFIG1]
-
-	/* Config Precharge Policy */
-	ldr	r1, =0xff000000
-	str	r1, [r0, #DMC_PRECHCONFIG]
-
-	/*
-	 * TimingAref, TimingRow, TimingData, TimingPower Setting:
-	 * Values as per Memory AC Parameters
-	 */
-	ldr	r1, =0x000000BB
-	str	r1, [r0, #DMC_TIMINGAREF]
-	ldr	r1, =0x4046654f
-	str	r1, [r0, #DMC_TIMINGROW]
-	ldr	r1, =0x46400506
-	str	r1, [r0, #DMC_TIMINGDATA]
-	ldr	r1, =0x52000A3C
-	str	r1, [r0, #DMC_TIMINGPOWER]
-
-	/* Chip0: NOP Command: Assert and Hold CKE to high level */
-	ldr	r1, =0x07000000
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-2:	subs	r2, r2, #1
-	bne	2b
-
-	/* Chip0: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */
-	ldr	r1, =0x00020000
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00030000
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00010002
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00000328
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-3:	subs	r2, r2, #1
-	bne	3b
-
-	/* Chip0: ZQINIT */
-	ldr	r1, =0x0a000000
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-4:	subs	r2, r2, #1
-	bne	4b
-
-	/* Chip1: NOP Command: Assert and Hold CKE to high level */
-	ldr	r1, =0x07100000
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-5:	subs	r2, r2, #1
-	bne	5b
-
-	/* Chip1: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */
-	ldr	r1, =0x00120000
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00130000
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00110002
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00100328
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-6:	subs	r2, r2, #1
-	bne	6b
-
-	/* Chip1: ZQINIT */
-	ldr	r1, =0x0a100000
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-7:	subs	r2, r2, #1
-	bne	7b
-
-	ldr	r1, =0xe000008e
-	str	r1, [r0, #DMC_PHYCONTROL1]
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-8:	subs	r2, r2, #1
-	bne	8b
-
-	/* DREX1 */
-	ldr	r0, =EXYNOS4_DMC1_BASE	@0x10410000
-
-	/*
-	 * DLL Parameter Setting:
-	 * Termination: Enable R/W
-	 * Phase Delay for DQS Cleaning: 180' Shift
-	 */
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/*
-	 * ZQ Calibration:
-	 * Termination: Disable
-	 * Auto Calibration Start: Enable
-	 */
-	ldr	r1, =0xE3855703
-	str	r1, [r0, #DMC_PHYZQCONTROL]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-1:	subs	r2, r2, #1
-	bne	1b
-
-	/*
-	 * Update DLL Information:
-	 * Force DLL Resyncronization
-	 */
-	ldr	r1, =0xe000008e
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/* Reset Force DLL Resyncronization */
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/* Enable Differential DQS, DLL Off*/
-	ldr	r1, =0x71101008
-	str	r1, [r0, #DMC_PHYCONTROL0]
-
-	/* Activate PHY DLL: DLL On */
-	ldr	r1, =0x7110100A
-	str	r1, [r0, #DMC_PHYCONTROL0]
-
-	/* Set DLL Parameters */
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/* DLL Start */
-	ldr	r1, =0x7110100B
-	str	r1, [r0, #DMC_PHYCONTROL0]
-
-	ldr	r1, =0x00000000
-	str	r1, [r0, #DMC_PHYCONTROL2]
-
-	/* Set Clock Ratio of Bus clock to Memory Clock */
-	ldr	r1, =0x0FFF301a
-	str	r1, [r0, #DMC_CONCONTROL]
-
-	/*
-	 * Memor Burst length: 8
-	 * Number of chips: 2
-	 * Memory Bus width: 32 bit
-	 * Memory Type: DDR3
-	 * Additional Latancy for PLL: 1 Cycle
-	 */
-	ldr	r1, =0x00312640
-	str	r1, [r0, #DMC_MEMCONTROL]
-
-	/*
-	 * Memory Configuration Chip 0
-	 * Address Mapping: Interleaved
-	 * Number of Column address Bits: 10 bits
-	 * Number of Rows Address Bits: 14
-	 * Number of Banks: 8
-	 */
-	ldr	r1, =0x20e01323
-	str	r1, [r0, #DMC_MEMCONFIG0]
-
-	/*
-	 * Memory Configuration Chip 1
-	 * Address Mapping: Interleaved
-	 * Number of Column address Bits: 10 bits
-	 * Number of Rows Address Bits: 14
-	 * Number of Banks: 8
-	 */
-	ldr	r1, =0x40e01323
-	str	r1, [r0, #DMC_MEMCONFIG1]
-
-	/* Config Precharge Policy */
-	ldr	r1, =0xff000000
-	str	r1, [r0, #DMC_PRECHCONFIG]
-
-	/*
-	 * TimingAref, TimingRow, TimingData, TimingPower Setting:
-	 * Values as per Memory AC Parameters
-	 */
-	ldr	r1, =0x000000BB
-	str	r1, [r0, #DMC_TIMINGAREF]
-	ldr	r1, =0x4046654f
-	str	r1, [r0, #DMC_TIMINGROW]
-	ldr	r1, =0x46400506
-	str	r1, [r0, #DMC_TIMINGDATA]
-	ldr	r1, =0x52000A3C
-	str	r1, [r0, #DMC_TIMINGPOWER]
-
-	/* Chip0: NOP Command: Assert and Hold CKE to high level */
-	ldr	r1, =0x07000000
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-2:	subs	r2, r2, #1
-	bne	2b
-
-	/* Chip0: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */
-	ldr	r1, =0x00020000
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00030000
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00010002
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00000328
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-3:	subs	r2, r2, #1
-	bne	3b
-
-	/* Chip 0: ZQINIT */
-	ldr	r1, =0x0a000000
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-4:	subs	r2, r2, #1
-	bne	4b
-
-	/* Chip1: NOP Command: Assert and Hold CKE to high level */
-	ldr	r1, =0x07100000
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-5:	subs	r2, r2, #1
-	bne	5b
-
-	/* Chip1: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */
-	ldr	r1, =0x00120000
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00130000
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00110002
-	str	r1, [r0, #DMC_DIRECTCMD]
-	ldr	r1, =0x00100328
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-6:	subs	r2, r2, #1
-	bne	6b
-
-	/* Chip1: ZQINIT */
-	ldr	r1, =0x0a100000
-	str	r1, [r0, #DMC_DIRECTCMD]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-7:	subs	r2, r2, #1
-	bne	7b
-
-	ldr	r1, =0xe000008e
-	str	r1, [r0, #DMC_PHYCONTROL1]
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #DMC_PHYCONTROL1]
-
-	/* Wait ?us*/
-	mov	r2, #0x100000
-8:	subs	r2, r2, #1
-	bne	8b
-
-	/* turn on DREX0, DREX1 */
-	ldr	r0, =EXYNOS4_DMC0_BASE
-	ldr	r1, =0x0FFF303a
-	str	r1, [r0, #DMC_CONCONTROL]
-
-	ldr	r0, =EXYNOS4_DMC1_BASE
-	ldr	r1, =0x0FFF303a
-	str	r1, [r0, #DMC_CONCONTROL]
-
-	mov	pc, lr
diff --git a/board/samsung/origen/mmc_boot.c b/board/samsung/origen/mmc_boot.c
deleted file mode 100644
index 072f16146c..0000000000
--- a/board/samsung/origen/mmc_boot.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright (C) 2011 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/origen/origen.c b/board/samsung/origen/origen.c
index 638e7b1edb..b7dbb911b9 100644
--- a/board/samsung/origen/origen.c
+++ b/board/samsung/origen/origen.c
@@ -25,6 +25,8 @@
 #include <asm/arch/cpu.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
+#include <asm/arch/periph.h>
+#include <asm/arch/pinmux.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 struct exynos4_gpio_part1 *gpio1;
@@ -39,6 +41,50 @@ int board_init(void)
 	return 0;
 }
 
+static int board_uart_init(void)
+{
+	int err;
+
+	err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
+	if (err) {
+		debug("UART0 not configured\n");
+		return err;
+	}
+
+	err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
+	if (err) {
+		debug("UART1 not configured\n");
+		return err;
+	}
+
+	err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
+	if (err) {
+		debug("UART2 not configured\n");
+		return err;
+	}
+
+	err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
+	if (err) {
+		debug("UART3 not configured\n");
+		return err;
+	}
+
+	return 0;
+}
+
+#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
+
 int dram_init(void)
 {
 	gd->ram_size	= get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
diff --git a/board/samsung/smdk5250/Makefile b/board/samsung/smdk5250/Makefile
index f2c32ee4c8..9412e373f7 100644
--- a/board/samsung/smdk5250/Makefile
+++ b/board/samsung/smdk5250/Makefile
@@ -24,10 +24,6 @@ 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	+= smdk5250_spl.o
 
 ifndef CONFIG_SPL_BUILD
@@ -38,14 +34,10 @@ COBJS	+= smdk5250.o
 endif
 endif
 
-ifdef CONFIG_SPL_BUILD
-COBJS	+= spl_boot.o
-endif
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
 
-ALL	:=	 $(obj).depend $(LIB)
+ALL	:= $(obj).depend $(LIB)
 
 all:	$(ALL)
 
diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
index 276fd41328..f1d3d97fd6 100644
--- a/board/samsung/smdk5250/smdk5250.c
+++ b/board/samsung/smdk5250/smdk5250.c
@@ -144,7 +144,7 @@ int power_init_board(void)
 
 	/* VDD_MIF */
 	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT,
-						MAX77686_BUCK1OUT_1V)) {
+						MAX77686_BUCK1OUT_1_05V)) {
 		debug("%s: PMIC %d register write failed\n", __func__,
 						MAX77686_REG_PMIC_BUCK1OUT);
 		return -1;
@@ -332,6 +332,16 @@ static int board_uart_init(void)
 	return ret;
 }
 
+void board_i2c_init(const void *blob)
+{
+	int i;
+
+	for (i = 0; i < CONFIG_MAX_I2C_NUM; i++) {
+		exynos_pinmux_config((PERIPH_ID_I2C0 + i),
+				     PINMUX_FLAG_NONE);
+	}
+}
+
 #ifdef CONFIG_BOARD_EARLY_INIT_F
 int board_early_init_f(void)
 {
diff --git a/board/samsung/smdkv310/Makefile b/board/samsung/smdkv310/Makefile
index 56e0c16eb7..c4cd0a3fb2 100644
--- a/board/samsung/smdkv310/Makefile
+++ b/board/samsung/smdkv310/Makefile
@@ -24,18 +24,12 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).o
 
-SOBJS	:= mem_setup.o
-SOBJS	+= lowlevel_init.o
 ifndef CONFIG_SPL_BUILD
 COBJS	+= smdkv310.o
 endif
 
-ifdef CONFIG_SPL_BUILD
-COBJS	+= mmc_boot.o
-endif
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
 
 ALL	:=	 $(obj).depend $(LIB)
 
diff --git a/board/samsung/smdkv310/lowlevel_init.S b/board/samsung/smdkv310/lowlevel_init.S
deleted file mode 100644
index 31e0e2edaf..0000000000
--- a/board/samsung/smdkv310/lowlevel_init.S
+++ /dev/null
@@ -1,414 +0,0 @@
-/*
- * Lowlevel setup for SMDKV310 board based on EXYNOS4210
- *
- * Copyright (C) 2011 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>
-
-/*
- * Register usages:
- *
- * r5 has zero always
- * r7 has GPIO part1 base 0x11400000
- * r6 has GPIO part2 base 0x11000000
- */
-
-#define MEM_DLLl_ON
-
-_TEXT_BASE:
-	.word	CONFIG_SYS_TEXT_BASE
-
-	.globl lowlevel_init
-lowlevel_init:
-	push	{lr}
-
-	/* r5 has always zero */
-	mov	r5, #0
-	ldr	r7, =EXYNOS4_GPIO_PART1_BASE
-	ldr	r6, =EXYNOS4_GPIO_PART2_BASE
-
-	/* check reset status  */
-	ldr     r0, =(EXYNOS4_POWER_BASE + 0x81C)	@ INFORM7
-	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, =0x00ffffff		/* 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_asm_init
-
-1:
-	/* for UART */
-	bl uart_asm_init
-	bl arch_cpu_init
-	bl tzpc_init
-	pop	{pc}
-
-wakeup_reset:
-	bl system_clock_init
-	bl mem_ctrl_asm_init
-	bl arch_cpu_init
-	bl tzpc_init
-
-exit_wakeup:
-	/* Load return address and jump to kernel */
-	ldr     r0, =(EXYNOS4_POWER_BASE + 0x800)	@ INFORM0
-
-	/* r1 = physical address of exynos4210_cpu_resume function */
-	ldr	r1, [r0]
-
-	/* Jump to kernel*/
-	mov	pc, r1
-	nop
-	nop
-
-/*
- * system_clock_init: Initialize core clock and bus clock.
- * void system_clock_init(void)
- */
-system_clock_init:
-	push	{lr}
-	ldr	r0, =EXYNOS4_CLOCK_BASE
-
-	/* APLL(1), MPLL(1), CORE(0), HPM(0) */
-	ldr	r1, =0x0101
-	ldr	r2, =0x14200			@CLK_SRC_CPU
-	str	r1, [r0, r2]
-
-	/* wait ?us */
-	mov	r1, #0x10000
-2:	subs	r1, r1, #1
-	bne	2b
-
-	ldr	r1, =0x00
-	ldr	r2, =0x0C210			@CLK_SRC_TOP0
-	str	r1, [r0, r2]
-
-	ldr	r1, =0x00
-	ldr	r2, =0x0C214			@CLK_SRC_TOP1_OFFSET
-	str	r1, [r0, r2]
-
-	/* DMC */
-	ldr	r1, =0x00
-	ldr	r2, =0x10200			@CLK_SRC_DMC_OFFSET
-	str	r1, [r0, r2]
-
-	/*CLK_SRC_LEFTBUS */
-	ldr	r1, =0x00
-	ldr	r2, =0x04200			@CLK_SRC_LEFTBUS_OFFSET
-	str	r1, [r0, r2]
-
-	/*CLK_SRC_RIGHTBUS */
-	ldr	r1, =0x00
-	ldr	r2, =0x08200			@CLK_SRC_RIGHTBUS_OFFSET
-	str	r1, [r0, r2]
-
-	/* SATA: SCLKMPLL(0), MMC[0:4]: SCLKMPLL(6) */
-	ldr	r1, =0x066666
-	ldr	r2, =0x0C240			@ CLK_SRC_FSYS
-	str	r1, [r0, r2]
-
-	/* UART[0:4], PWM: SCLKMPLL(6) */
-	ldr	r1, =0x06666666
-	ldr	r2, =0x0C250			@CLK_SRC_PERIL0_OFFSET
-	str	r1, [r0, r2]
-
-	/* wait ?us */
-	mov	r1, #0x10000
-3:	subs	r1, r1, #1
-	bne	3b
-
-	/*
-	 * CLK_DIV_CPU0:
-	 *
-	 * PCLK_DBG_RATIO[20]	0x1
-	 * ATB_RATIO[16]	0x3
-	 * PERIPH_RATIO[12]	0x3
-	 * COREM1_RATIO[8]	0x7
-	 * COREM0_RATIO[4]	0x3
-	 */
-	ldr	r1, =0x0133730
-	ldr	r2, =0x14500			@CLK_DIV_CPU0_OFFSET
-	str	r1, [r0, r2]
-
-	/* CLK_DIV_CPU1: COPY_RATIO [0]	0x3 */
-	ldr	r1, =0x03
-	ldr	r2, =0x14504			@CLK_DIV_CPU1_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * CLK_DIV_DMC0:
-	 *
-	 * CORE_TIMERS_RATIO[28]	0x1
-	 * COPY2_RATIO[24]	0x3
-	 * DMCP_RATIO[20]	0x1
-	 * DMCD_RATIO[16]	0x1
-	 * DMC_RATIO[12]	0x1
-	 * DPHY_RATIO[8]	0x1
-	 * ACP_PCLK_RATIO[4]	0x1
-	 * ACP_RATIO[0]		0x3
-	 */
-	ldr	r1, =0x13111113
-	ldr	r2, =0x010500			@CLK_DIV_DMC0_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * CLK_DIV_DMC1:
-	 *
-	 * DPM_RATIO[24]	0x1
-	 * DVSEM_RATIO[16]	0x1
-	 * PWI_RATIO[8]		0x1
-	 */
-	ldr	r1, =0x01010100
-	ldr	r2, =0x010504			@CLK_DIV_DMC1_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * CLK_DIV_LEFRBUS:
-	 *
-	 * GPL_RATIO[4]		0x1
-	 * GDL_RATIO[0]		0x3
-	 */
-	ldr	r1, =0x013
-	ldr	r2, =0x04500			@CLK_DIV_LEFTBUS_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * CLK_DIV_RIGHTBUS:
-	 *
-	 * GPR_RATIO[4]		0x1
-	 * GDR_RATIO[0]		0x3
-	 */
-	ldr	r1, =0x013
-	ldr	r2, =0x08500			@CLK_DIV_RIGHTBUS_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * CLK_DIV_TOP:
-	 *
-	 * ONENAND_RATIO[16]	0x0
-	 * ACLK_133_RATIO[12]	0x5
-	 * ACLK_160_RATIO[8]	0x4
-	 * ACLK_100_RATIO[4]	0x7
-	 * ACLK_200_RATIO[0]	0x3
-	 */
-	ldr	r1, =0x05473
-	ldr	r2, =0x0C510			@CLK_DIV_TOP_OFFSET
-	str	r1, [r0, r2]
-
-	/* MMC[0:1] */
-	ldr	r1, =0x000f000f			/* 800(MPLL) / (15 + 1) */
-	ldr	r2, =0x0C544			@ CLK_DIV_FSYS1
-	str	r1, [r0, r2]
-
-	/* MMC[2:3] */
-	ldr	r1, =0x000f000f			/* 800(MPLL) / (15 + 1) */
-	ldr	r2, =0x0C548			@ CLK_DIV_FSYS2
-	str	r1, [r0, r2]
-
-	/* MMC4 */
-	ldr	r1, =0x000f			/* 800(MPLL) / (15 + 1) */
-	ldr	r2, =0x0C54C			@ CLK_DIV_FSYS3
-	str	r1, [r0, r2]
-
-	/* wait ?us */
-	mov	r1, #0x10000
-4:	subs	r1, r1, #1
-	bne	4b
-
-	/*
-	 * CLK_DIV_PERIL0:
-	 *
-	 * UART5_RATIO[20]	8
-	 * UART4_RATIO[16]	8
-	 * UART3_RATIO[12]	8
-	 * UART2_RATIO[8]	8
-	 * UART1_RATIO[4]	8
-	 * UART0_RATIO[0]	8
-	 */
-	ldr	r1, =0x774777
-	ldr	r2, =0x0C550			@CLK_DIV_PERIL0_OFFSET
-	str	r1, [r0, r2]
-
-	/* SLIMBUS: ???, PWM */
-	ldr	r1, =0x8
-	ldr	r2, =0x0C55C			@ CLK_DIV_PERIL3
-	str	r1, [r0, r2]
-
-	/* Set PLL locktime */
-	ldr	r1, =0x01C20
-	ldr	r2, =0x014000			@APLL_LOCK_OFFSET
-	str	r1, [r0, r2]
-	ldr	r1, =0x01C20
-	ldr	r2, =0x014008			@MPLL_LOCK_OFFSET
-	str	r1, [r0, r2]
-	ldr	r1, =0x01C20
-	ldr	r2, =0x0C010			@EPLL_LOCK_OFFSET
-	str	r1, [r0, r2]
-	ldr	r1, =0x01C20
-	ldr	r2, =0x0C020			@VPLL_LOCK_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * APLL_CON1:
-	 *
-	 * APLL_AFC_ENB[31]	0x1
-	 * APLL_AFC[0]		0xC
-	 */
-	ldr	r1, =0x8000000C
-	ldr	r2, =0x014104			@APLL_CON1_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * APLL_CON0:
-	 *
-	 * APLL_MDIV[16]	0xFA
-	 * APLL_PDIV[8]		0x6
-	 * APLL_SDIV[0]		0x1
-	 */
-	ldr	r1, =0x80FA0601
-	ldr	r2, =0x014100			@APLL_CON0_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * MPLL_CON1:
-	 *
-	 * MPLL_AFC_ENB[31]	0x1
-	 * MPLL_AFC[0]		0x1C
-	 */
-	ldr	r1, =0x0000001C
-	ldr	r2, =0x01410C			@MPLL_CON1_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * MPLL_CON0:
-	 *
-	 * MPLL_MDIV[16]	0xC8
-	 * MPLL_PDIV[8]		0x6
-	 * MPLL_SDIV[0]		0x1
-	 */
-	ldr	r1, =0x80C80601
-	ldr	r2, =0x014108			@MPLL_CON0_OFFSET
-	str	r1, [r0, r2]
-
-	/* EPLL */
-	ldr	r1, =0x0
-	ldr	r2, =0x0C114			@EPLL_CON1_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * EPLL_CON0:
-	 *
-	 * EPLL_MDIV[16]	0x30
-	 * EPLL_PDIV[8]		0x3
-	 * EPLL_SDIV[0]		0x2
-	 */
-	ldr	r1, =0x80300302
-	ldr	r2, =0x0C110			@EPLL_CON0_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * VPLL_CON1:
-	 *
-	 * VPLL_MRR[24]		0x11
-	 * VPLL_MFR[16]		0x0
-	 * VPLL_K[0]		0x400
-	 */
-	ldr	r1, =0x11000400
-	ldr	r2, =0x0C124			@VPLL_CON1_OFFSET
-	str	r1, [r0, r2]
-
-	/*
-	 * VPLL_CON0:
-	 *
-	 * VPLL_MDIV[16]	0x35
-	 * VPLL_PDIV[8]		0x3
-	 * VPLL_SDIV[0]		0x2
-	 */
-	ldr	r1, =0x80350302
-	ldr	r2, =0x0C120			@VPLL_CON0_OFFSET
-	str	r1, [r0, r2]
-
-	/* wait ?us */
-	mov	r1, #0x30000
-3:	subs	r1, r1, #1
-	bne	3b
-
-	pop	{pc}
-/*
- * uart_asm_init: Initialize UART in asm mode, 115200bps fixed.
- * void uart_asm_init(void)
- */
-	.globl uart_asm_init
-uart_asm_init:
-
-	/* setup UART0-UART3 GPIOs (part1) */
-	mov	r0, r7
-	ldr	r1, =0x22222222
-	str	r1, [r0, #0x00]			@ EXYNOS4_GPIO_A0_OFFSET
-	ldr	r1, =0x00222222
-	str	r1, [r0, #0x20]			@ EXYNOS4_GPIO_A1_OFFSET
-
-	ldr r0, =EXYNOS4_UART_BASE
-	add r0, r0, #EXYNOS4_DEFAULT_UART_OFFSET
-
-	ldr r1, =0x3C5
-	str	r1, [r0, #0x4]
-	ldr r1, =0x111
-	str	r1, [r0, #0x8]
-	ldr r1, =0x3
-	str	r1, [r0, #0x0]
-	ldr r1, =0x35
-	str	r1, [r0, #0x28]
-	ldr r1, =0x4
-	str	r1, [r0, #0x2c]
-
-	mov	pc, lr
-	nop
-	nop
-	nop
diff --git a/board/samsung/smdkv310/mem_setup.S b/board/samsung/smdkv310/mem_setup.S
deleted file mode 100644
index d3b6265971..0000000000
--- a/board/samsung/smdkv310/mem_setup.S
+++ /dev/null
@@ -1,365 +0,0 @@
-/*
- * Memory setup for SMDKV310 board based on EXYNOS4210
- *
- * Copyright (C) 2011 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>
-
-#define SET_MIU
-
-#define MEM_DLL
-
-#ifdef CONFIG_CLK_800_330_165
-#define DRAM_CLK_330
-#endif
-#ifdef CONFIG_CLK_1000_200_200
-#define DRAM_CLK_200
-#endif
-#ifdef CONFIG_CLK_1000_330_165
-#define DRAM_CLK_330
-#endif
-#ifdef CONFIG_CLK_1000_400_200
-#define DRAM_CLK_400
-#endif
-
-	.globl mem_ctrl_asm_init
-mem_ctrl_asm_init:
-
-	/*
-	* Async bridge configuration at CPU_core:
-	* 1: half_sync
-	* 0: full_sync
-	*/
-	ldr r0, =0x10010350
-	mov r1, #1
-	str r1, [r0]
-
-#ifdef SET_MIU
-	ldr	r0, =EXYNOS4_MIU_BASE	@0x10600000
-#ifdef CONFIG_MIU_1BIT_INTERLEAVED
-	ldr	r1, =0x0000000c
-	str	r1, [r0, #0x400]	@MIU_INTLV_CONFIG
-	ldr	r1, =0x40000000
-	str	r1, [r0, #0x808]	@MIU_INTLV_START_ADDR
-	ldr	r1, =0xbfffffff
-	str	r1, [r0, #0x810]	@MIU_INTLV_END_ADDR
-	ldr	r1, =0x00000001
-	str	r1, [r0, #0x800]	@MIU_MAPPING_UPDATE
-#endif
-#ifdef CONFIG_MIU_2BIT_INTERLEAVED
-	ldr	r1, =0x2000150c
-	str	r1, [r0, #0x400]	@MIU_INTLV_CONFIG
-	ldr	r1, =0x40000000
-	str	r1, [r0, #0x808]	@MIU_INTLV_START_ADDR
-	ldr	r1, =0xbfffffff
-	str	r1, [r0, #0x810]	@MIU_INTLV_END_ADDR
-	ldr	r1, =0x00000001
-	str	r1, [r0, #0x800]	@MIU_MAPPING_UPDATE
-#endif
-#ifdef CONFIG_MIU_LINEAR
-	ldr	r1, =0x40000000
-	str	r1, [r0, #0x818]	@MIU_SINGLE_MAPPING0_START_ADDR
-	ldr	r1, =0x7fffffff
-	str	r1, [r0, #0x820]	@MIU_SINGLE_MAPPING0_END_ADDR
-	ldr	r1, =0x80000000
-	str	r1, [r0, #0x828]	@MIU_SINGLE_MAPPING1_START_ADDR
-	ldr	r1, =0xbfffffff
-	str	r1, [r0, #0x830]	@MIU_SINGLE_MAPPING1_END_ADDR]
-	ldr	r1, =0x00000006
-	str	r1, [r0, #0x800]	@MIU_MAPPING_UPDATE
-#endif
-#endif
-	/* DREX0 */
-	ldr	r0, =EXYNOS4_DMC0_BASE	@0x10400000
-
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-
-	ldr	r1, =0xE3855703
-	str	r1, [r0, #0x44]		@DMC_PHYZQCONTROL
-
-	mov	r2, #0x100000
-1:	subs	r2, r2, #1
-	bne	1b
-
-	ldr	r1, =0xe000008e
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-
-	ldr	r1, =0x71101008
-	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
-	ldr	r1, =0x7110100A
-	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-	ldr	r1, =0x7110100B
-	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
-
-	ldr	r1, =0x00000000
-	str	r1, [r0, #0x20]		@DMC_PHYCONTROL2
-
-	ldr	r1, =0x0FFF301a
-	str	r1, [r0, #0x00]		@DMC_CONCONTROL
-	ldr	r1, =0x00312640
-	str	r1, [r0, #0x04]		@DMC_MEMCONTROL]
-
-#ifdef CONFIG_MIU_LINEAR
-	ldr	r1, =0x40e01323
-	str	r1, [r0, #0x08]		@DMC_MEMCONFIG0
-	ldr	r1, =0x60e01323
-	str	r1, [r0, #0x0C]		@DMC_MEMCONFIG1
-#else	/* @MIU_1BIT_INTERLEAVED | MIU_2BIT_INTERLEAVED */
-	ldr	r1, =0x20e01323
-	str	r1, [r0, #0x08]		@DMC_MEMCONFIG0
-	ldr	r1, =0x40e01323
-	str	r1, [r0, #0x0C]		@DMC_MEMCONFIG1
-#endif
-
-	ldr	r1, =0xff000000
-	str	r1, [r0, #0x14]		@DMC_PRECHCONFIG
-
-	ldr	r1, =0x000000BC
-	str	r1, [r0, #0x30]		@DMC_TIMINGAREF
-
-#ifdef DRAM_CLK_330
-	ldr	r1, =0x3545548d
-	str	r1, [r0, #0x34]		@DMC_TIMINGROW
-	ldr	r1, =0x45430506
-	str	r1, [r0, #0x38]		@DMC_TIMINGDATA
-	ldr	r1, =0x4439033c
-	str	r1, [r0, #0x3C]		@DMC_TIMINGPOWER
-#endif
-#ifdef DRAM_CLK_400
-	ldr	r1, =0x4046654f
-	str	r1, [r0, #0x34]		@DMC_TIMINGROW
-	ldr	r1, =0x56500506
-	str	r1, [r0, #0x38]		@DMC_TIMINGDATA
-	ldr	r1, =0x5444033d
-	str	r1, [r0, #0x3C]		@DMC_TIMINGPOWER
-#endif
-	ldr	r1, =0x07000000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-2:	subs	r2, r2, #1
-	bne	2b
-
-	ldr	r1, =0x00020000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00030000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00010002
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00000328
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-3:	subs	r2, r2, #1
-	bne	3b
-
-	ldr	r1, =0x0a000000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-4:	subs	r2, r2, #1
-	bne	4b
-
-	ldr	r1, =0x07100000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-5:	subs	r2, r2, #1
-	bne	5b
-
-	ldr	r1, =0x00120000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00130000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00110002
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00100328
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-6:	subs	r2, r2, #1
-	bne	6b
-
-	ldr	r1, =0x0a100000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-7:	subs	r2, r2, #1
-	bne	7b
-
-	ldr	r1, =0xe000008e
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-
-	mov	r2, #0x100000
-8:	subs	r2, r2, #1
-	bne	8b
-
-	/* DREX1 */
-	ldr	r0, =EXYNOS4_DMC1_BASE	@0x10410000
-
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-
-	ldr	r1, =0xE3855703
-	str	r1, [r0, #0x44]		@DMC_PHYZQCONTROL
-
-	mov	r2, #0x100000
-1:	subs	r2, r2, #1
-	bne	1b
-
-	ldr	r1, =0xe000008e
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-
-	ldr	r1, =0x71101008
-	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
-	ldr	r1, =0x7110100A
-	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-	ldr	r1, =0x7110100B
-	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
-
-	ldr	r1, =0x00000000
-	str	r1, [r0, #0x20]		@DMC_PHYCONTROL2
-
-	ldr	r1, =0x0FFF301a
-	str	r1, [r0, #0x00]		@DMC_CONCONTROL
-	ldr	r1, =0x00312640
-	str	r1, [r0, #0x04]		@DMC_MEMCONTROL]
-
-#ifdef CONFIG_MIU_LINEAR
-	ldr	r1, =0x40e01323
-	str	r1, [r0, #0x08]		@DMC_MEMCONFIG0
-	ldr	r1, =0x60e01323
-	str	r1, [r0, #0x0C]		@DMC_MEMCONFIG1
-#else	/* @MIU_1BIT_INTERLEAVED | MIU_2BIT_INTERLEAVED */
-	ldr	r1, =0x20e01323
-	str	r1, [r0, #0x08]		@DMC_MEMCONFIG0
-	ldr	r1, =0x40e01323
-	str	r1, [r0, #0x0C]		@DMC_MEMCONFIG1
-#endif
-
-	ldr	r1, =0xff000000
-	str	r1, [r0, #0x14]		@DMC_PRECHCONFIG
-
-	ldr	r1, =0x000000BC
-	str	r1, [r0, #0x30]		@DMC_TIMINGAREF
-
-#ifdef DRAM_CLK_330
-	ldr	r1, =0x3545548d
-	str	r1, [r0, #0x34]		@DMC_TIMINGROW
-	ldr	r1, =0x45430506
-	str	r1, [r0, #0x38]		@DMC_TIMINGDATA
-	ldr	r1, =0x4439033c
-	str	r1, [r0, #0x3C]		@DMC_TIMINGPOWER
-#endif
-#ifdef DRAM_CLK_400
-	ldr	r1, =0x4046654f
-	str	r1, [r0, #0x34]		@DMC_TIMINGROW
-	ldr	r1, =0x56500506
-	str	r1, [r0, #0x38]		@DMC_TIMINGDATA
-	ldr	r1, =0x5444033d
-	str	r1, [r0, #0x3C]		@DMC_TIMINGPOWER
-#endif
-
-	ldr	r1, =0x07000000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-2:	subs	r2, r2, #1
-	bne	2b
-
-	ldr	r1, =0x00020000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00030000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00010002
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00000328
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-3:	subs	r2, r2, #1
-	bne	3b
-
-	ldr	r1, =0x0a000000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-4:	subs	r2, r2, #1
-	bne	4b
-
-	ldr	r1, =0x07100000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-5:	subs	r2, r2, #1
-	bne	5b
-
-	ldr	r1, =0x00120000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00130000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00110002
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-	ldr	r1, =0x00100328
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-6:	subs	r2, r2, #1
-	bne	6b
-
-	ldr	r1, =0x0a100000
-	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
-
-	mov	r2, #0x100000
-7:	subs	r2, r2, #1
-	bne	7b
-
-	ldr	r1, =0xe000008e
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-	ldr	r1, =0xe0000086
-	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
-
-	mov	r2, #0x100000
-8:	subs	r2, r2, #1
-	bne	8b
-
-	/* turn on DREX0, DREX1 */
-	ldr	r0, =0x10400000		@APB_DMC_0_BASE
-	ldr	r1, =0x0FFF303a
-	str	r1, [r0, #0x00]		@DMC_CONCONTROL
-
-	ldr	r0, =0x10410000		@APB_DMC_1_BASE
-	ldr	r1, =0x0FFF303a
-	str	r1, [r0, #0x00]		@DMC_CONCONTROL
-
-	mov	pc, lr
diff --git a/board/samsung/smdkv310/mmc_boot.c b/board/samsung/smdkv310/mmc_boot.c
deleted file mode 100644
index d3fc18d19f..0000000000
--- a/board/samsung/smdkv310/mmc_boot.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2011 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
-* API (Data transfer from mmc to ram)
-*/
-void copy_uboot_to_ram(void)
-{
-	u32 (*copy_bl2)(u32, u32, u32) = (void *)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/smdkv310/smdkv310.c b/board/samsung/smdkv310/smdkv310.c
index 81ac8f6f4a..015b920ee2 100644
--- a/board/samsung/smdkv310/smdkv310.c
+++ b/board/samsung/smdkv310/smdkv310.c
@@ -26,6 +26,8 @@
 #include <asm/arch/cpu.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
+#include <asm/arch/periph.h>
+#include <asm/arch/pinmux.h>
 #include <asm/arch/sromc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -137,3 +139,47 @@ int board_mmc_init(bd_t *bis)
 	return err;
 }
 #endif
+
+static int board_uart_init(void)
+{
+	int err;
+
+	err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
+	if (err) {
+		debug("UART0 not configured\n");
+		return err;
+	}
+
+	err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
+	if (err) {
+		debug("UART1 not configured\n");
+		return err;
+	}
+
+	err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
+	if (err) {
+		debug("UART2 not configured\n");
+		return err;
+	}
+
+	err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
+	if (err) {
+		debug("UART3 not configured\n");
+		return err;
+	}
+
+	return 0;
+}
+
+#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
diff --git a/drivers/gpio/s3c2440_gpio.c b/drivers/gpio/s3c2440_gpio.c
index 43bbf1160c..09b04eb94a 100644
--- a/drivers/gpio/s3c2440_gpio.c
+++ b/drivers/gpio/s3c2440_gpio.c
@@ -61,7 +61,7 @@ int gpio_set_value(unsigned gpio, int value)
 	else
 		l &= ~bit;
 
-	return writel(port, l);
+	return writel(l, port);
 }
 
 int gpio_get_value(unsigned gpio)
@@ -85,11 +85,11 @@ int gpio_free(unsigned gpio)
 
 int gpio_direction_input(unsigned gpio)
 {
-	return writel(GPIO_FULLPORT(gpio), GPIO_INPUT << GPIO_BIT(gpio));
+	return writel(GPIO_INPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
 }
 
 int gpio_direction_output(unsigned gpio, int value)
 {
-	writel(GPIO_FULLPORT(gpio), GPIO_OUTPUT << GPIO_BIT(gpio));
+	writel(GPIO_OUTPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
 	return gpio_set_value(gpio, value);
 }
diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c
index 656bf4a06c..4efb768551 100644
--- a/drivers/gpio/s5p_gpio.c
+++ b/drivers/gpio/s5p_gpio.c
@@ -48,15 +48,8 @@ void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg)
 
 void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en)
 {
-	unsigned int value;
-
 	s5p_gpio_cfg_pin(bank, gpio, GPIO_OUTPUT);
-
-	value = readl(&bank->dat);
-	value &= ~DAT_MASK(gpio);
-	if (en)
-		value |= DAT_SET(gpio);
-	writel(value, &bank->dat);
+	s5p_gpio_set_value(bank, gpio, en);
 }
 
 void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio)
diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c
index 46d25061ee..382e4c2ecf 100644
--- a/drivers/i2c/s3c24x0_i2c.c
+++ b/drivers/i2c/s3c24x0_i2c.c
@@ -518,8 +518,9 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
 #ifdef CONFIG_OF_CONTROL
 void board_i2c_init(const void *blob)
 {
+	int i;
 	int node_list[CONFIG_MAX_I2C_NUM];
-	int count, i;
+	int count;
 
 	count = fdtdec_find_aliases_for_id(blob, "i2c",
 		COMPAT_SAMSUNG_S3C2440_I2C, node_list,
diff --git a/drivers/power/battery/bat_trats.c b/drivers/power/battery/bat_trats.c
index ca0d214659..97a9661150 100644
--- a/drivers/power/battery/bat_trats.c
+++ b/drivers/power/battery/bat_trats.c
@@ -41,18 +41,23 @@ static int power_battery_charge(struct pmic *bat)
 	for (k = 0; bat->chrg->chrg_bat_present(p_bat->chrg) &&
 		     bat->chrg->chrg_type(p_bat->muic) &&
 		     battery->state_of_chrg < 100; k++) {
-		udelay(10000000);
-		puts(".");
+		udelay(2000000);
+		if (!(k % 5))
+			puts(".");
 		bat->fg->fg_battery_update(p_bat->fg, bat);
 
-		if (k == 100) {
+		if (k == 200) {
 			debug(" %d [V]", battery->voltage_uV);
 			puts("\n");
 			k = 0;
 		}
 
+		if (ctrlc()) {
+			printf("\nCharging disabled on request.\n");
+			goto exit;
+		}
 	}
-
+ exit:
 	bat->chrg->chrg_state(p_bat->chrg, CHARGER_DISABLE, 0);
 
 	return 0;
diff --git a/drivers/power/power_core.c b/drivers/power/power_core.c
index 90df2c58c4..f16b9dc066 100644
--- a/drivers/power/power_core.c
+++ b/drivers/power/power_core.c
@@ -205,7 +205,8 @@ int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 		if (strcmp(argv[3], "charge") == 0) {
 			if (p->pbat) {
-				printf("PRINT BAT charge %s\n", p->name);
+				printf("BAT: %s charging (ctrl+c to break)\n",
+				       p->name);
 				if (p->low_power_mode)
 					p->low_power_mode();
 				if (p->pbat->battery_charge)
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c
index e65125ccd7..6836c7a225 100644
--- a/drivers/serial/serial_s5p.c
+++ b/drivers/serial/serial_s5p.c
@@ -22,6 +22,7 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
 #include <linux/compiler.h>
 #include <asm/io.h>
 #include <asm/arch/uart.h>
@@ -34,10 +35,21 @@ DECLARE_GLOBAL_DATA_PTR;
 #define RX_FIFO_FULL_MASK	(1 << 8)
 #define TX_FIFO_FULL_MASK	(1 << 24)
 
+/* Information about a serial port */
+struct fdt_serial {
+	u32 base_addr;  /* address of registers in physical memory */
+	u8 port_id;     /* uart port number */
+	u8 enabled;     /* 1 if enabled, 0 if disabled */
+} config __attribute__ ((section(".data")));
+
 static inline struct s5p_uart *s5p_get_base_uart(int dev_index)
 {
+#ifdef CONFIG_OF_CONTROL
+	return (struct s5p_uart *)(config.base_addr);
+#else
 	u32 offset = dev_index * sizeof(struct s5p_uart);
 	return (struct s5p_uart *)(samsung_get_base_uart() + offset);
+#endif
 }
 
 /*
@@ -73,6 +85,16 @@ void serial_setbrg_dev(const int dev_index)
 	u32 baudrate = gd->baudrate;
 	u32 val;
 
+#if defined(CONFIG_SILENT_CONSOLE) && \
+		defined(CONFIG_OF_CONTROL) && \
+		!defined(CONFIG_SPL_BUILD)
+	if (fdtdec_get_config_int(gd->fdt_blob, "silent_console", 0))
+		gd->flags |= GD_FLG_SILENT;
+#endif
+
+	if (!config.enabled)
+		return;
+
 	val = uclk / baudrate;
 
 	writel(val / 16 - 1, &uart->ubrdiv);
@@ -133,6 +155,9 @@ int serial_getc_dev(const int dev_index)
 {
 	struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
 
+	if (!config.enabled)
+		return 0;
+
 	/* wait for character to arrive */
 	while (!(readl(&uart->ufstat) & (RX_FIFO_COUNT_MASK |
 					 RX_FIFO_FULL_MASK))) {
@@ -150,6 +175,9 @@ void serial_putc_dev(const char c, const int dev_index)
 {
 	struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
 
+	if (!config.enabled)
+		return;
+
 	/* wait for room in the tx FIFO */
 	while ((readl(&uart->ufstat) & TX_FIFO_FULL_MASK)) {
 		if (serial_err_check(dev_index, 1))
@@ -170,6 +198,9 @@ int serial_tstc_dev(const int dev_index)
 {
 	struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
 
+	if (!config.enabled)
+		return 0;
+
 	return (int)(readl(&uart->utrstat) & 0x1);
 }
 
@@ -212,8 +243,54 @@ DECLARE_S5P_SERIAL_FUNCTIONS(3);
 struct serial_device s5p_serial3_device =
 	INIT_S5P_SERIAL_STRUCTURE(3, "s5pser3");
 
+#ifdef CONFIG_OF_CONTROL
+int fdtdec_decode_console(int *index, struct fdt_serial *uart)
+{
+	const void *blob = gd->fdt_blob;
+	int node;
+
+	node = fdt_path_offset(blob, "console");
+	if (node < 0)
+		return node;
+
+	uart->base_addr = fdtdec_get_addr(blob, node, "reg");
+	if (uart->base_addr == FDT_ADDR_T_NONE)
+		return -FDT_ERR_NOTFOUND;
+
+	uart->port_id = fdtdec_get_int(blob, node, "id", -1);
+	uart->enabled = fdtdec_get_is_enabled(blob, node);
+
+	return 0;
+}
+#endif
+
 __weak struct serial_device *default_serial_console(void)
 {
+#ifdef CONFIG_OF_CONTROL
+	int index = 0;
+
+	if ((!config.base_addr) && (fdtdec_decode_console(&index, &config))) {
+		debug("Cannot decode default console node\n");
+		return NULL;
+	}
+
+	switch (config.port_id) {
+	case 0:
+		return &s5p_serial0_device;
+	case 1:
+		return &s5p_serial1_device;
+	case 2:
+		return &s5p_serial2_device;
+	case 3:
+		return &s5p_serial3_device;
+	default:
+		debug("Unknown config.port_id: %d", config.port_id);
+		break;
+	}
+
+	return NULL;
+#else
+	config.enabled = 1;
 #if defined(CONFIG_SERIAL0)
 	return &s5p_serial0_device;
 #elif defined(CONFIG_SERIAL1)
@@ -225,6 +302,7 @@ __weak struct serial_device *default_serial_console(void)
 #else
 #error "CONFIG_SERIAL? missing."
 #endif
+#endif
 }
 
 void s5p_serial_initialize(void)
diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c
index 33599499ee..7243ea335e 100644
--- a/drivers/video/exynos_fimd.c
+++ b/drivers/video/exynos_fimd.c
@@ -280,8 +280,9 @@ void exynos_fimd_lcd_init(vidinfo_t *vid)
 								node, "reg");
 	if (fimd_ctrl == NULL)
 		debug("Can't get the FIMD base address\n");
-#endif
+#else
 	fimd_ctrl = (struct exynos_fb *)samsung_get_base_fimd();
+#endif
 
 	offset = exynos_fimd_get_base_offset();
 
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
index 9b97d4fb04..b32d1bdb98 100644
--- a/include/configs/exynos5250-dt.h
+++ b/include/configs/exynos5250-dt.h
@@ -78,9 +78,9 @@
 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (4 << 20))
 
 /* select serial console configuration */
-#define CONFIG_SERIAL3			/* use SERIAL 3 */
 #define CONFIG_BAUDRATE			115200
 #define EXYNOS5_DEFAULT_UART_OFFSET	0x010000
+#define CONFIG_SILENT_CONSOLE
 
 /* Console configuration */
 #define CONFIG_CONSOLE_MUX
@@ -104,6 +104,7 @@
 
 
 #define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_SKIP_LOWLEVEL_INIT
 
 /* PWM */
 #define CONFIG_PWM
@@ -137,6 +138,7 @@
 #define CONFIG_USB_STORAGE
 
 /* USB boot mode */
+#define CONFIG_USB_BOOTING
 #define EXYNOS_COPY_USB_FNPTR_ADDR	0x02020070
 #define EXYNOS_USB_SECONDARY_BOOT	0xfeed0002
 #define EXYNOS_IRAM_SECONDARY_BASE	0x02020018
@@ -152,8 +154,10 @@
 #define CONFIG_SPL
 #define COPY_BL2_FNPTR_ADDR	0x02020030
 
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+
 /* specific .lds file */
-#define CONFIG_SPL_LDSCRIPT	"board/samsung/smdk5250/smdk5250-uboot-spl.lds"
+#define CONFIG_SPL_LDSCRIPT	"board/samsung/common/exynos-uboot-spl.lds"
 #define CONFIG_SPL_TEXT_BASE	0x02023400
 #define CONFIG_SPL_MAX_FOOTPRINT	(14 * 1024)
 
@@ -229,7 +233,7 @@
 #define BL2_START_OFFSET	(CONFIG_BL2_OFFSET/512)
 #define BL2_SIZE_BLOC_COUNT	(CONFIG_BL2_SIZE/512)
 
-#define OM_STAT				(0x1f << 1)
+#define CONFIG_SPI_BOOTING
 #define EXYNOS_COPY_SPI_FNPTR_ADDR	0x02020058
 #define SPI_FLASH_UBOOT_POS		(CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE)
 
@@ -241,7 +245,7 @@
 
 #define CONFIG_IRAM_STACK	0x02050000
 
-#define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_LOAD_ADDR - 0x1000000)
+#define CONFIG_SYS_INIT_SP_ADDR	CONFIG_IRAM_STACK
 
 /* I2C */
 #define CONFIG_SYS_I2C_INIT_BOARD
diff --git a/include/configs/origen.h b/include/configs/origen.h
index e179911d0c..5013aeeca2 100644
--- a/include/configs/origen.h
+++ b/include/configs/origen.h
@@ -36,6 +36,7 @@
 #define CONFIG_ARCH_CPU_INIT
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_BOARD_EARLY_INIT_F
 
 /* Keep L2 Cache Disabled */
 #define CONFIG_L2_OFF			1
@@ -67,6 +68,8 @@
 #define CONFIG_BAUDRATE			115200
 #define EXYNOS4_DEFAULT_UART_OFFSET	0x020000
 
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
 /* SD/MMC configuration */
 #define CONFIG_GENERIC_MMC
 #define CONFIG_MMC
@@ -147,7 +150,10 @@
 #define CONFIG_ENV_OFFSET		(RESERVE_BLOCK_SIZE + BL1_SIZE)
 #define CONFIG_DOS_PARTITION		1
 
-#define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SPL_LDSCRIPT	"board/samsung/common/exynos-uboot-spl.lds"
+#define CONFIG_SPL_MAX_FOOTPRINT	(14 * 1024)
+
+#define CONFIG_SYS_INIT_SP_ADDR		0x02040000
 
 /* U-boot copy size from boot Media to DRAM.*/
 #define COPY_BL2_SIZE		0x80000
@@ -156,4 +162,5 @@
 
 /* Enable devicetree support */
 #define CONFIG_OF_LIBFDT
+
 #endif	/* __CONFIG_H */
diff --git a/include/configs/smdkv310.h b/include/configs/smdkv310.h
index 5e430660f1..0f045972b7 100644
--- a/include/configs/smdkv310.h
+++ b/include/configs/smdkv310.h
@@ -36,6 +36,7 @@
 #define CONFIG_ARCH_CPU_INIT
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_BOARD_EARLY_INIT_F
 
 /* Mach Type */
 #define CONFIG_MACH_TYPE		MACH_TYPE_SMDKV310
@@ -57,6 +58,7 @@
 /* Handling Sleep Mode*/
 #define S5P_CHECK_SLEEP			0x00000BAD
 #define S5P_CHECK_DIDLE			0xBAD00000
+#define S5P_CHECK_LPA			0xABAD0000
 
 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (1 << 20))
@@ -93,6 +95,7 @@
 
 /* MMC SPL */
 #define CONFIG_SPL
+#define CONFIG_SKIP_LOWLEVEL_INIT
 #define COPY_BL2_FNPTR_ADDR	0x00002488
 
 #define CONFIG_SPL_TEXT_BASE	0x02021410
@@ -146,7 +149,10 @@
 #define CONFIG_ENV_OFFSET		(RESERVE_BLOCK_SIZE + BL1_SIZE)
 #define CONFIG_DOS_PARTITION		1
 
-#define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SPL_LDSCRIPT	"board/samsung/common/exynos-uboot-spl.lds"
+#define CONFIG_SPL_MAX_FOOTPRINT	(14 * 1024)
+
+#define CONFIG_SYS_INIT_SP_ADDR		0x02040000
 
 /* U-boot copy size from boot Media to DRAM.*/
 #define	COPY_BL2_SIZE		0x80000
diff --git a/include/configs/trats.h b/include/configs/trats.h
index c70838b915..103295e967 100644
--- a/include/configs/trats.h
+++ b/include/configs/trats.h
@@ -66,7 +66,7 @@
 #define CONFIG_MACH_TYPE		MACH_TYPE_TRATS
 
 /* Size of malloc() pool */
-#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (1 << 20))
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (16 << 20))
 
 /* select serial console configuration */
 #define CONFIG_SERIAL2			/* use SERIAL 2 */
diff --git a/include/fdtdec.h b/include/fdtdec.h
index bc3b89bc0f..bea326e97c 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -90,6 +90,7 @@ enum fdt_compat_id {
 	COMPAT_SAMSUNG_EXYNOS_FIMD,	/* Exynos Display controller */
 	COMPAT_SAMSUNG_EXYNOS5_DP,	/* Exynos Display port controller */
 	COMPAT_SAMSUNG_EXYNOS5_DWMMC,	/* Exynos5 DWMMC controller */
+	COMPAT_SAMSUNG_EXYNOS_SERIAL,	/* Exynos UART */
 	COMPAT_MAXIM_MAX77686_PMIC,	/* MAX77686 PMIC */
 	COMPAT_GENERIC_SPI_FLASH,	/* Generic SPI Flash chip */
 	COMPAT_MAXIM_98095_CODEC,	/* MAX98095 Codec */
diff --git a/include/power/max77686_pmic.h b/include/power/max77686_pmic.h
index fdc7ca9e5a..1c374a9034 100644
--- a/include/power/max77686_pmic.h
+++ b/include/power/max77686_pmic.h
@@ -157,6 +157,8 @@ enum {
 
 /* Buck1 1 volt value */
 #define MAX77686_BUCK1OUT_1V	0x5
+/* Buck1 1.05 volt value */
+#define MAX77686_BUCK1OUT_1_05V    0x6
 #define MAX77686_BUCK1CTRL_EN	(3 << 0)
 /* Buck2 1.3 volt value */
 #define MAX77686_BUCK2DVS1_1_3V	0x38
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index e3142cbdfe..d1acc35ca9 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -63,6 +63,7 @@ static const char * const compat_names[COMPAT_COUNT] = {
 	COMPAT(SAMSUNG_EXYNOS_FIMD, "samsung,exynos-fimd"),
 	COMPAT(SAMSUNG_EXYNOS5_DP, "samsung,exynos5-dp"),
 	COMPAT(SAMSUNG_EXYNOS5_DWMMC, "samsung,exynos5250-dwmmc"),
+	COMPAT(SAMSUNG_EXYNOS_SERIAL, "samsung,exynos4210-uart"),
 	COMPAT(MAXIM_MAX77686_PMIC, "maxim,max77686_pmic"),
 	COMPAT(GENERIC_SPI_FLASH, "spi-flash"),
 	COMPAT(MAXIM_98095_CODEC, "maxim,max98095-codec"),