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

36 files changed, 2170 insertions, 448 deletions

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 74599798c..956427c9e 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -112,6 +112,36 @@ static unsigned long exynos4_get_pll_clk(int pllreg)
 	return exynos_get_pll_clk(pllreg, r, k);
 }
 
+/* exynos4x12: return pll clock frequency */
+static unsigned long exynos4x12_get_pll_clk(int pllreg)
+{
+	struct exynos4x12_clock *clk =
+		(struct exynos4x12_clock *)samsung_get_base_clock();
+	unsigned long r, k = 0;
+
+	switch (pllreg) {
+	case APLL:
+		r = readl(&clk->apll_con0);
+		break;
+	case MPLL:
+		r = readl(&clk->mpll_con0);
+		break;
+	case EPLL:
+		r = readl(&clk->epll_con0);
+		k = readl(&clk->epll_con1);
+		break;
+	case VPLL:
+		r = readl(&clk->vpll_con0);
+		k = readl(&clk->vpll_con1);
+		break;
+	default:
+		printf("Unsupported PLL (%d)\n", pllreg);
+		return 0;
+	}
+
+	return exynos_get_pll_clk(pllreg, r, k);
+}
+
 /* exynos5: return pll clock frequency */
 static unsigned long exynos5_get_pll_clk(int pllreg)
 {
@@ -193,6 +223,28 @@ static unsigned long exynos4_get_arm_clk(void)
 	return armclk;
 }
 
+/* exynos4x12: return ARM clock frequency */
+static unsigned long exynos4x12_get_arm_clk(void)
+{
+	struct exynos4x12_clock *clk =
+		(struct exynos4x12_clock *)samsung_get_base_clock();
+	unsigned long div;
+	unsigned long armclk;
+	unsigned int core_ratio;
+	unsigned int core2_ratio;
+
+	div = readl(&clk->div_cpu0);
+
+	/* CORE_RATIO: [2:0], CORE2_RATIO: [30:28] */
+	core_ratio = (div >> 0) & 0x7;
+	core2_ratio = (div >> 28) & 0x7;
+
+	armclk = get_pll_clk(APLL) / (core_ratio + 1);
+	armclk /= (core2_ratio + 1);
+
+	return armclk;
+}
+
 /* exynos5: return ARM clock frequency */
 static unsigned long exynos5_get_arm_clk(void)
 {
@@ -258,6 +310,20 @@ static unsigned long exynos4_get_pwm_clk(void)
 	return pclk;
 }
 
+/* exynos4x12: return pwm clock frequency */
+static unsigned long exynos4x12_get_pwm_clk(void)
+{
+	unsigned long pclk, sclk;
+	unsigned int ratio;
+
+	sclk = get_pll_clk(MPLL);
+	ratio = 8;
+
+	pclk = sclk / (ratio + 1);
+
+	return pclk;
+}
+
 /* exynos5: return pwm clock frequency */
 static unsigned long exynos5_get_pwm_clk(void)
 {
@@ -326,6 +392,51 @@ static unsigned long exynos4_get_uart_clk(int dev_index)
 	return uclk;
 }
 
+/* exynos4x12: return uart clock frequency */
+static unsigned long exynos4x12_get_uart_clk(int dev_index)
+{
+	struct exynos4x12_clock *clk =
+		(struct exynos4x12_clock *)samsung_get_base_clock();
+	unsigned long uclk, sclk;
+	unsigned int sel;
+	unsigned int ratio;
+
+	/*
+	 * CLK_SRC_PERIL0
+	 * UART0_SEL [3:0]
+	 * UART1_SEL [7:4]
+	 * UART2_SEL [8:11]
+	 * UART3_SEL [12:15]
+	 * UART4_SEL [16:19]
+	 */
+	sel = readl(&clk->src_peril0);
+	sel = (sel >> (dev_index << 2)) & 0xf;
+
+	if (sel == 0x6)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x7)
+		sclk = get_pll_clk(EPLL);
+	else if (sel == 0x8)
+		sclk = get_pll_clk(VPLL);
+	else
+		return 0;
+
+	/*
+	 * CLK_DIV_PERIL0
+	 * UART0_RATIO [3:0]
+	 * UART1_RATIO [7:4]
+	 * UART2_RATIO [8:11]
+	 * UART3_RATIO [12:15]
+	 * UART4_RATIO [16:19]
+	 */
+	ratio = readl(&clk->div_peril0);
+	ratio = (ratio >> (dev_index << 2)) & 0xf;
+
+	uclk = sclk / (ratio + 1);
+
+	return uclk;
+}
+
 /* exynos5: return uart clock frequency */
 static unsigned long exynos5_get_uart_clk(int dev_index)
 {
@@ -373,6 +484,100 @@ static unsigned long exynos5_get_uart_clk(int dev_index)
 	return uclk;
 }
 
+static unsigned long exynos4_get_mmc_clk(int dev_index)
+{
+	struct exynos4_clock *clk =
+		(struct exynos4_clock *)samsung_get_base_clock();
+	unsigned long uclk, sclk;
+	unsigned int sel, ratio, pre_ratio;
+	int shift;
+
+	sel = readl(&clk->src_fsys);
+	sel = (sel >> (dev_index << 2)) & 0xf;
+
+	if (sel == 0x6)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x7)
+		sclk = get_pll_clk(EPLL);
+	else if (sel == 0x8)
+		sclk = get_pll_clk(VPLL);
+	else
+		return 0;
+
+	switch (dev_index) {
+	case 0:
+	case 1:
+		ratio = readl(&clk->div_fsys1);
+		pre_ratio = readl(&clk->div_fsys1);
+		break;
+	case 2:
+	case 3:
+		ratio = readl(&clk->div_fsys2);
+		pre_ratio = readl(&clk->div_fsys2);
+		break;
+	case 4:
+		ratio = readl(&clk->div_fsys3);
+		pre_ratio = readl(&clk->div_fsys3);
+		break;
+	default:
+		return 0;
+	}
+
+	if (dev_index == 1 || dev_index == 3)
+		shift = 16;
+
+	ratio = (ratio >> shift) & 0xf;
+	pre_ratio = (pre_ratio >> (shift + 8)) & 0xff;
+	uclk = (sclk / (ratio + 1)) / (pre_ratio + 1);
+
+	return uclk;
+}
+
+static unsigned long exynos5_get_mmc_clk(int dev_index)
+{
+	struct exynos5_clock *clk =
+		(struct exynos5_clock *)samsung_get_base_clock();
+	unsigned long uclk, sclk;
+	unsigned int sel, ratio, pre_ratio;
+	int shift;
+
+	sel = readl(&clk->src_fsys);
+	sel = (sel >> (dev_index << 2)) & 0xf;
+
+	if (sel == 0x6)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x7)
+		sclk = get_pll_clk(EPLL);
+	else if (sel == 0x8)
+		sclk = get_pll_clk(VPLL);
+	else
+		return 0;
+
+	switch (dev_index) {
+	case 0:
+	case 1:
+		ratio = readl(&clk->div_fsys1);
+		pre_ratio = readl(&clk->div_fsys1);
+		break;
+	case 2:
+	case 3:
+		ratio = readl(&clk->div_fsys2);
+		pre_ratio = readl(&clk->div_fsys2);
+		break;
+	default:
+		return 0;
+	}
+
+	if (dev_index == 1 || dev_index == 3)
+		shift = 16;
+
+	ratio = (ratio >> shift) & 0xf;
+	pre_ratio = (pre_ratio >> (shift + 8)) & 0xff;
+	uclk = (sclk / (ratio + 1)) / (pre_ratio + 1);
+
+	return uclk;
+}
+
 /* exynos4: set the mmc clock */
 static void exynos4_set_mmc_clk(int dev_index, unsigned int div)
 {
@@ -386,6 +591,38 @@ static void exynos4_set_mmc_clk(int dev_index, unsigned int div)
 	 * MMC0_PRE_RATIO [15:8], MMC1_PRE_RATIO [31:24]
 	 * CLK_DIV_FSYS2
 	 * MMC2_PRE_RATIO [15:8], MMC3_PRE_RATIO [31:24]
+	 * CLK_DIV_FSYS3
+	 * MMC4_PRE_RATIO [15:8]
+	 */
+	if (dev_index < 2) {
+		addr = (unsigned int)&clk->div_fsys1;
+	}  else if (dev_index == 4) {
+		addr = (unsigned int)&clk->div_fsys3;
+		dev_index -= 4;
+	} else {
+		addr = (unsigned int)&clk->div_fsys2;
+		dev_index -= 2;
+	}
+
+	val = readl(addr);
+	val &= ~(0xff << ((dev_index << 4) + 8));
+	val |= (div & 0xff) << ((dev_index << 4) + 8);
+	writel(val, addr);
+}
+
+/* exynos4x12: set the mmc clock */
+static void exynos4x12_set_mmc_clk(int dev_index, unsigned int div)
+{
+	struct exynos4x12_clock *clk =
+		(struct exynos4x12_clock *)samsung_get_base_clock();
+	unsigned int addr;
+	unsigned int val;
+
+	/*
+	 * CLK_DIV_FSYS1
+	 * MMC0_PRE_RATIO [15:8], MMC1_PRE_RATIO [31:24]
+	 * CLK_DIV_FSYS2
+	 * MMC2_PRE_RATIO [15:8], MMC3_PRE_RATIO [31:24]
 	 */
 	if (dev_index < 2) {
 		addr = (unsigned int)&clk->div_fsys1;
@@ -603,7 +840,7 @@ void exynos5_set_lcd_clk(void)
 	 */
 	cfg = readl(&clk->src_disp1_0);
 	cfg &= ~(0xf);
-	cfg |= 0x8;
+	cfg |= 0x6;
 	writel(cfg, &clk->src_disp1_0);
 
 	/*
@@ -940,16 +1177,22 @@ unsigned long get_pll_clk(int pllreg)
 {
 	if (cpu_is_exynos5())
 		return exynos5_get_pll_clk(pllreg);
-	else
+	else {
+		if (proid_is_exynos4412())
+			return exynos4x12_get_pll_clk(pllreg);
 		return exynos4_get_pll_clk(pllreg);
+	}
 }
 
 unsigned long get_arm_clk(void)
 {
 	if (cpu_is_exynos5())
 		return exynos5_get_arm_clk();
-	else
+	else {
+		if (proid_is_exynos4412())
+			return exynos4x12_get_arm_clk();
 		return exynos4_get_arm_clk();
+	}
 }
 
 unsigned long get_i2c_clk(void)
@@ -968,24 +1211,41 @@ unsigned long get_pwm_clk(void)
 {
 	if (cpu_is_exynos5())
 		return exynos5_get_pwm_clk();
-	else
+	else {
+		if (proid_is_exynos4412())
+			return exynos4x12_get_pwm_clk();
 		return exynos4_get_pwm_clk();
+	}
 }
 
 unsigned long get_uart_clk(int dev_index)
 {
 	if (cpu_is_exynos5())
 		return exynos5_get_uart_clk(dev_index);
-	else
+	else {
+		if (proid_is_exynos4412())
+			return exynos4x12_get_uart_clk(dev_index);
 		return exynos4_get_uart_clk(dev_index);
+	}
+}
+
+unsigned long get_mmc_clk(int dev_index)
+{
+	if (cpu_is_exynos5())
+		return exynos5_get_mmc_clk(dev_index);
+	else
+		return exynos4_get_mmc_clk(dev_index);
 }
 
 void set_mmc_clk(int dev_index, unsigned int div)
 {
 	if (cpu_is_exynos5())
 		exynos5_set_mmc_clk(dev_index, div);
-	else
+	else {
+		if (proid_is_exynos4412())
+			exynos4x12_set_mmc_clk(dev_index, div);
 		exynos4_set_mmc_clk(dev_index, div);
+	}
 }
 
 unsigned long get_lcd_clk(void)
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 20a4b8414..bd499b476 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -22,6 +22,7 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/sromc.h>
@@ -370,6 +371,43 @@ static void exynos4_i2c_config(int peripheral, int flags)
 	}
 }
 
+static int exynos4_mmc_config(int peripheral, int flags)
+{
+	struct exynos4_gpio_part2 *gpio2 =
+		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
+	struct s5p_gpio_bank *bank, *bank_ext;
+	int i;
+
+	switch (peripheral) {
+	case PERIPH_ID_SDMMC0:
+		bank = &gpio2->k0;
+		bank_ext = &gpio2->k1;
+		break;
+	case PERIPH_ID_SDMMC2:
+		bank = &gpio2->k2;
+		bank_ext = &gpio2->k3;
+		break;
+	default:
+		return -1;
+	}
+	for (i = 0; i < 7; i++) {
+		if (i == 2)
+			continue;
+		s5p_gpio_cfg_pin(bank, i,  GPIO_FUNC(0x2));
+		s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
+		s5p_gpio_set_drv(bank, i, GPIO_DRV_4X);
+	}
+	if (flags & PINMUX_FLAG_8BIT_MODE) {
+		for (i = 3; i < 7; i++) {
+			s5p_gpio_cfg_pin(bank_ext, i,  GPIO_FUNC(0x3));
+			s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_NONE);
+			s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
+		}
+	}
+
+	return 0;
+}
+
 static int exynos4_pinmux_config(int peripheral, int flags)
 {
 	switch (peripheral) {
@@ -383,6 +421,14 @@ static int exynos4_pinmux_config(int peripheral, int flags)
 	case PERIPH_ID_I2C7:
 		exynos4_i2c_config(peripheral, flags);
 		break;
+	case PERIPH_ID_SDMMC0:
+	case PERIPH_ID_SDMMC2:
+		return exynos4_mmc_config(peripheral, flags);
+	case PERIPH_ID_SDMMC1:
+	case PERIPH_ID_SDMMC3:
+	case PERIPH_ID_SDMMC4:
+		printf("SDMMC device %d not implemented\n", peripheral);
+		return -1;
 	default:
 		debug("%s: invalid peripheral %d", __func__, peripheral);
 		return -1;
@@ -402,3 +448,31 @@ int exynos_pinmux_config(int peripheral, int flags)
 		return -1;
 	}
 }
+
+#ifdef CONFIG_OF_CONTROL
+static int exynos5_pinmux_decode_periph_id(const void *blob, int node)
+{
+	int err;
+	u32 cell[3];
+
+	err = fdtdec_get_int_array(blob, node, "interrupts", cell,
+					ARRAY_SIZE(cell));
+	if (err)
+		return PERIPH_ID_NONE;
+
+	/* check for invalid peripheral id */
+	if ((PERIPH_ID_SDMMC4 > cell[1]) || (cell[1] < PERIPH_ID_UART0))
+		return cell[1];
+
+	debug(" invalid peripheral id\n");
+	return PERIPH_ID_NONE;
+}
+
+int pinmux_decode_periph_id(const void *blob, int node)
+{
+	if (cpu_is_exynos5())
+		return  exynos5_pinmux_decode_periph_id(blob, node);
+	else
+		return PERIPH_ID_NONE;
+}
+#endif
diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi
new file mode 100644
index 000000000..ed8c8dd60
--- /dev/null
+++ b/arch/arm/dts/exynos5250.dtsi
@@ -0,0 +1,154 @@
+/*
+ * SAMSUNG EXYNOS5250 SoC device tree source
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * SAMSUNG EXYNOS5250 SoC device nodes are listed in this file.
+ * EXYNOS5250 based board files can include this file and provide
+ * values for board specfic bindings.
+ *
+ * Note: This file does not include device nodes for all the controllers in
+ * EXYNOS5250 SoC. As device tree coverage for EXYNOS5250 increases,
+ * additional nodes can be added to this file.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "samsung,exynos5250";
+
+	sromc@12250000 {
+		compatible = "samsung,exynos-sromc";
+		reg = <0x12250000 0x20>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	i2c@12c60000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,s3c2440-i2c";
+		reg = <0x12C60000 0x100>;
+		interrupts = <0 56 0>;
+	};
+
+	i2c@12c70000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,s3c2440-i2c";
+		reg = <0x12C70000 0x100>;
+		interrupts = <0 57 0>;
+	};
+
+	i2c@12c80000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,s3c2440-i2c";
+		reg = <0x12C80000 0x100>;
+		interrupts = <0 58 0>;
+	};
+
+	i2c@12c90000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,s3c2440-i2c";
+		reg = <0x12C90000 0x100>;
+		interrupts = <0 59 0>;
+	};
+
+	i2c@12ca0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,s3c2440-i2c";
+		reg = <0x12CA0000 0x100>;
+		interrupts = <0 60 0>;
+	};
+
+	i2c@12cb0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,s3c2440-i2c";
+		reg = <0x12CB0000 0x100>;
+		interrupts = <0 61 0>;
+	};
+
+	i2c@12cc0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,s3c2440-i2c";
+		reg = <0x12CC0000 0x100>;
+		interrupts = <0 62 0>;
+	};
+
+	i2c@12cd0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,s3c2440-i2c";
+		reg = <0x12CD0000 0x100>;
+		interrupts = <0 63 0>;
+	};
+
+	sound@12d60000 {
+		compatible = "samsung,exynos-sound";
+		reg = <0x12d60000 0x20>;
+	};
+
+	spi@12d20000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos-spi";
+		reg = <0x12d20000 0x30>;
+		interrupts = <0 68 0>;
+	};
+
+	spi@12d30000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos-spi";
+		reg = <0x12d30000 0x30>;
+		interrupts = <0 69 0>;
+	};
+
+	spi@12d40000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos-spi";
+		reg = <0x12d40000 0x30>;
+		clock-frequency = <50000000>;
+		interrupts = <0 70 0>;
+        };
+
+	spi@131a0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos-spi";
+		reg = <0x131a0000 0x30>;
+		interrupts = <0 129 0>;
+	};
+
+	spi@131b0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos-spi";
+		reg = <0x131b0000 0x30>;
+		interrupts = <0 130 0>;
+	};
+
+	ehci@12110000 {
+		compatible = "samsung,exynos-ehci";
+		reg = <0x12110000 0x100>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		phy {
+			compatible = "samsung,exynos-usb-phy";
+			reg = <0x12130000 0x100>;
+		};
+	};
+
+};
diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h
index cd1232350..1935b0b5b 100644
--- a/arch/arm/include/asm/arch-exynos/clk.h
+++ b/arch/arm/include/asm/arch-exynos/clk.h
@@ -34,6 +34,7 @@ unsigned long get_arm_clk(void);
 unsigned long get_i2c_clk(void);
 unsigned long get_pwm_clk(void);
 unsigned long get_uart_clk(int dev_index);
+unsigned long get_mmc_clk(int dev_index);
 void set_mmc_clk(int dev_index, unsigned int div);
 unsigned long get_lcd_clk(void);
 void set_lcd_clk(void);
diff --git a/arch/arm/include/asm/arch-exynos/clock.h b/arch/arm/include/asm/arch-exynos/clock.h
index ff6781aae..9b56b4e51 100644
--- a/arch/arm/include/asm/arch-exynos/clock.h
+++ b/arch/arm/include/asm/arch-exynos/clock.h
@@ -251,6 +251,282 @@ struct exynos4_clock {
 	unsigned int	div_iem_l1;
 };
 
+struct exynos4x12_clock {
+	unsigned char	res1[0x4200];
+	unsigned int	src_leftbus;
+	unsigned char	res2[0x1fc];
+	unsigned int	mux_stat_leftbus;
+	unsigned char	res3[0xfc];
+	unsigned int	div_leftbus;
+	unsigned char	res4[0xfc];
+	unsigned int	div_stat_leftbus;
+	unsigned char	res5[0x1fc];
+	unsigned int	gate_ip_leftbus;
+	unsigned char	res6[0x12c];
+	unsigned int	gate_ip_image;
+	unsigned char	res7[0xcc];
+	unsigned int	clkout_leftbus;
+	unsigned int	clkout_leftbus_div_stat;
+	unsigned char	res8[0x37f8];
+	unsigned int	src_rightbus;
+	unsigned char	res9[0x1fc];
+	unsigned int	mux_stat_rightbus;
+	unsigned char	res10[0xfc];
+	unsigned int	div_rightbus;
+	unsigned char	res11[0xfc];
+	unsigned int	div_stat_rightbus;
+	unsigned char	res12[0x1fc];
+	unsigned int	gate_ip_rightbus;
+	unsigned char	res13[0x15c];
+	unsigned int	gate_ip_perir;
+	unsigned char	res14[0x9c];
+	unsigned int	clkout_rightbus;
+	unsigned int	clkout_rightbus_div_stat;
+	unsigned char	res15[0x3608];
+	unsigned int	epll_lock;
+	unsigned char	res16[0xc];
+	unsigned int	vpll_lock;
+	unsigned char	res17[0xec];
+	unsigned int	epll_con0;
+	unsigned int	epll_con1;
+	unsigned int	epll_con2;
+	unsigned char	res18[0x4];
+	unsigned int	vpll_con0;
+	unsigned int	vpll_con1;
+	unsigned int	vpll_con2;
+	unsigned char	res19[0xe4];
+	unsigned int	src_top0;
+	unsigned int	src_top1;
+	unsigned char	res20[0x8];
+	unsigned int	src_cam;
+	unsigned int	src_tv;
+	unsigned int	src_mfc;
+	unsigned int	src_g3d;
+	unsigned char	res21[0x4];
+	unsigned int	src_lcd;
+	unsigned int	src_isp;
+	unsigned int	src_maudio;
+	unsigned int	src_fsys;
+	unsigned char	res22[0xc];
+	unsigned int	src_peril0;
+	unsigned int	src_peril1;
+	unsigned int	src_cam1;
+	unsigned char	res23[0xb4];
+	unsigned int	src_mask_top;
+	unsigned char	res24[0xc];
+	unsigned int	src_mask_cam;
+	unsigned int	src_mask_tv;
+	unsigned char	res25[0xc];
+	unsigned int	src_mask_lcd;
+	unsigned int	src_mask_isp;
+	unsigned int	src_mask_maudio;
+	unsigned int	src_mask_fsys;
+	unsigned char	res26[0xc];
+	unsigned int	src_mask_peril0;
+	unsigned int	src_mask_peril1;
+	unsigned char	res27[0xb8];
+	unsigned int	mux_stat_top0;
+	unsigned int	mux_stat_top1;
+	unsigned char	res28[0x10];
+	unsigned int	mux_stat_mfc;
+	unsigned int	mux_stat_g3d;
+	unsigned char	res29[0x28];
+	unsigned int	mux_stat_cam1;
+	unsigned char	res30[0xb4];
+	unsigned int	div_top;
+	unsigned char	res31[0xc];
+	unsigned int	div_cam;
+	unsigned int	div_tv;
+	unsigned int	div_mfc;
+	unsigned int	div_g3d;
+	unsigned char	res32[0x4];
+	unsigned int	div_lcd;
+	unsigned int	div_isp;
+	unsigned int	div_maudio;
+	unsigned int	div_fsys0;
+	unsigned int	div_fsys1;
+	unsigned int	div_fsys2;
+	unsigned int	div_fsys3;
+	unsigned int	div_peril0;
+	unsigned int	div_peril1;
+	unsigned int	div_peril2;
+	unsigned int	div_peril3;
+	unsigned int	div_peril4;
+	unsigned int	div_peril5;
+	unsigned int	div_cam1;
+	unsigned char	res33[0x14];
+	unsigned int	div2_ratio;
+	unsigned char	res34[0x8c];
+	unsigned int	div_stat_top;
+	unsigned char	res35[0xc];
+	unsigned int	div_stat_cam;
+	unsigned int	div_stat_tv;
+	unsigned int	div_stat_mfc;
+	unsigned int	div_stat_g3d;
+	unsigned char	res36[0x4];
+	unsigned int	div_stat_lcd;
+	unsigned int	div_stat_isp;
+	unsigned int	div_stat_maudio;
+	unsigned int	div_stat_fsys0;
+	unsigned int	div_stat_fsys1;
+	unsigned int	div_stat_fsys2;
+	unsigned int	div_stat_fsys3;
+	unsigned int	div_stat_peril0;
+	unsigned int	div_stat_peril1;
+	unsigned int	div_stat_peril2;
+	unsigned int	div_stat_peril3;
+	unsigned int	div_stat_peril4;
+	unsigned int	div_stat_peril5;
+	unsigned int	div_stat_cam1;
+	unsigned char	res37[0x14];
+	unsigned int	div2_stat;
+	unsigned char	res38[0x29c];
+	unsigned int	gate_ip_cam;
+	unsigned int	gate_ip_tv;
+	unsigned int	gate_ip_mfc;
+	unsigned int	gate_ip_g3d;
+	unsigned char	res39[0x4];
+	unsigned int	gate_ip_lcd;
+	unsigned int	gate_ip_isp;
+	unsigned char	res40[0x4];
+	unsigned int	gate_ip_fsys;
+	unsigned char	res41[0x8];
+	unsigned int	gate_ip_gps;
+	unsigned int	gate_ip_peril;
+	unsigned char	res42[0xc];
+	unsigned char	res43[0x4];
+	unsigned char	res44[0xc];
+	unsigned int	gate_block;
+	unsigned char	res45[0x8c];
+	unsigned int	clkout_cmu_top;
+	unsigned int	clkout_cmu_top_div_stat;
+	unsigned char	res46[0x3600];
+	unsigned int	mpll_lock;
+	unsigned char	res47[0xfc];
+	unsigned int	mpll_con0;
+	unsigned int	mpll_con1;
+	unsigned char	res48[0xf0];
+	unsigned int	src_dmc;
+	unsigned char	res49[0xfc];
+	unsigned int	src_mask_dmc;
+	unsigned char	res50[0xfc];
+	unsigned int	mux_stat_dmc;
+	unsigned char	res51[0xfc];
+	unsigned int	div_dmc0;
+	unsigned int	div_dmc1;
+	unsigned char	res52[0xf8];
+	unsigned int	div_stat_dmc0;
+	unsigned int	div_stat_dmc1;
+	unsigned char	res53[0xf8];
+	unsigned int	gate_bus_dmc0;
+	unsigned int	gate_bus_dmc1;
+	unsigned char	res54[0x1f8];
+	unsigned int	gate_ip_dmc0;
+	unsigned int	gate_ip_dmc1;
+	unsigned char	res55[0xf8];
+	unsigned int	clkout_cmu_dmc;
+	unsigned int	clkout_cmu_dmc_div_stat;
+	unsigned char	res56[0x5f8];
+	unsigned int	dcgidx_map0;
+	unsigned int	dcgidx_map1;
+	unsigned int	dcgidx_map2;
+	unsigned char	res57[0x14];
+	unsigned int	dcgperf_map0;
+	unsigned int	dcgperf_map1;
+	unsigned char	res58[0x18];
+	unsigned int	dvcidx_map;
+	unsigned char	res59[0x1c];
+	unsigned int	freq_cpu;
+	unsigned int	freq_dpm;
+	unsigned char	res60[0x18];
+	unsigned int	dvsemclk_en;
+	unsigned int	maxperf;
+	unsigned char	res61[0x8];
+	unsigned int	dmc_freq_ctrl;
+	unsigned int	dmc_pause_ctrl;
+	unsigned int	dddrphy_lock_ctrl;
+	unsigned int	c2c_state;
+	unsigned char	res62[0x2f60];
+	unsigned int	apll_lock;
+	unsigned char	res63[0x8];
+	unsigned char	res64[0xf4];
+	unsigned int	apll_con0;
+	unsigned int	apll_con1;
+	unsigned char	res65[0xf8];
+	unsigned int	src_cpu;
+	unsigned char	res66[0x1fc];
+	unsigned int	mux_stat_cpu;
+	unsigned char	res67[0xfc];
+	unsigned int	div_cpu0;
+	unsigned int	div_cpu1;
+	unsigned char	res68[0xf8];
+	unsigned int	div_stat_cpu0;
+	unsigned int	div_stat_cpu1;
+	unsigned char	res69[0x2f8];
+	unsigned int	clk_gate_ip_cpu;
+	unsigned char	res70[0xfc];
+	unsigned int	clkout_cmu_cpu;
+	unsigned int	clkout_cmu_cpu_div_stat;
+	unsigned char	res71[0x5f8];
+	unsigned int	armclk_stopctrl;
+	unsigned int	atclk_stopctrl;
+	unsigned char	res72[0x10];
+	unsigned char	res73[0x8];
+	unsigned int	pwr_ctrl;
+	unsigned int	pwr_ctrl2;
+	unsigned char	res74[0xd8];
+	unsigned int	apll_con0_l8;
+	unsigned int	apll_con0_l7;
+	unsigned int	apll_con0_l6;
+	unsigned int	apll_con0_l5;
+	unsigned int	apll_con0_l4;
+	unsigned int	apll_con0_l3;
+	unsigned int	apll_con0_l2;
+	unsigned int	apll_con0_l1;
+	unsigned int	iem_control;
+	unsigned char	res75[0xdc];
+	unsigned int	apll_con1_l8;
+	unsigned int	apll_con1_l7;
+	unsigned int	apll_con1_l6;
+	unsigned int	apll_con1_l5;
+	unsigned int	apll_con1_l4;
+	unsigned int	apll_con1_l3;
+	unsigned int	apll_con1_l2;
+	unsigned int	apll_con1_l1;
+	unsigned char	res76[0xe0];
+	unsigned int	div_iem_l8;
+	unsigned int	div_iem_l7;
+	unsigned int	div_iem_l6;
+	unsigned int	div_iem_l5;
+	unsigned int	div_iem_l4;
+	unsigned int	div_iem_l3;
+	unsigned int	div_iem_l2;
+	unsigned int	div_iem_l1;
+	unsigned char	res77[0xe0];
+	unsigned int	l2_status;
+	unsigned char	res78[0xc];
+	unsigned int	cpu_status;
+	unsigned char	res79[0xc];
+	unsigned int	ptm_status;
+	unsigned char	res80[0x2edc];
+	unsigned int	div_isp0;
+	unsigned int	div_isp1;
+	unsigned char	res81[0xf8];
+	unsigned int	div_stat_isp0;
+	unsigned int	div_stat_isp1;
+	unsigned char	res82[0x3f8];
+	unsigned int	gate_ip_isp0;
+	unsigned int	gate_ip_isp1;
+	unsigned char	res83[0x1f8];
+	unsigned int	clkout_cmu_isp;
+	unsigned int	clkout_cmu_ispd_div_stat;
+	unsigned char	res84[0xf8];
+	unsigned int	cmu_isp_spar0;
+	unsigned int	cmu_isp_spar1;
+	unsigned int	cmu_isp_spar2;
+	unsigned int	cmu_isp_spar3;
+};
+
 struct exynos5_clock {
 	unsigned int	apll_lock;
 	unsigned char	res1[0xfc];
diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h
index f06af2eb8..eb3442235 100644
--- a/arch/arm/include/asm/arch-exynos/cpu.h
+++ b/arch/arm/include/asm/arch-exynos/cpu.h
@@ -27,7 +27,7 @@
 #define EXYNOS_CPU_NAME			"Exynos"
 #define EXYNOS4_ADDR_BASE		0x10000000
 
-/* EXYNOS4 */
+/* EXYNOS4 Common*/
 #define EXYNOS4_I2C_SPACING		0x10000
 
 #define EXYNOS4_GPIO_PART3_BASE		0x03860000
@@ -63,7 +63,40 @@
 #define EXYNOS4_DP_BASE			DEVICE_NOT_AVAILABLE
 #define EXYNOS4_SPI_ISP_BASE		DEVICE_NOT_AVAILABLE
 
-/* EXYNOS5 */
+/* EXYNOS4X12 */
+#define EXYNOS4X12_GPIO_PART3_BASE	0x03860000
+#define EXYNOS4X12_PRO_ID		0x10000000
+#define EXYNOS4X12_SYSREG_BASE		0x10010000
+#define EXYNOS4X12_POWER_BASE		0x10020000
+#define EXYNOS4X12_SWRESET		0x10020400
+#define EXYNOS4X12_USBPHY_CONTROL	0x10020704
+#define EXYNOS4X12_CLOCK_BASE		0x10030000
+#define EXYNOS4X12_SYSTIMER_BASE	0x10050000
+#define EXYNOS4X12_WATCHDOG_BASE	0x10060000
+#define EXYNOS4X12_DMC0_BASE		0x10600000
+#define EXYNOS4X12_DMC1_BASE		0x10610000
+#define EXYNOS4X12_GPIO_PART4_BASE	0x106E0000
+#define EXYNOS4X12_GPIO_PART2_BASE	0x11000000
+#define EXYNOS4X12_GPIO_PART1_BASE	0x11400000
+#define EXYNOS4X12_FIMD_BASE		0x11C00000
+#define EXYNOS4X12_MIPI_DSIM_BASE	0x11C80000
+#define EXYNOS4X12_USBOTG_BASE		0x12480000
+#define EXYNOS4X12_MMC_BASE		0x12510000
+#define EXYNOS4X12_SROMC_BASE		0x12570000
+#define EXYNOS4X12_USB_HOST_EHCI_BASE	0x12580000
+#define EXYNOS4X12_USBPHY_BASE		0x125B0000
+#define EXYNOS4X12_UART_BASE		0x13800000
+#define EXYNOS4X12_I2C_BASE		0x13860000
+#define EXYNOS4X12_PWMTIMER_BASE	0x139D0000
+
+#define EXYNOS4X12_ADC_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS4X12_DP_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS4X12_MODEM_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS4X12_I2S_BASE            DEVICE_NOT_AVAILABLE
+#define EXYNOS4X12_SPI_BASE            DEVICE_NOT_AVAILABLE
+#define EXYNOS4X12_SPI_ISP_BASE                DEVICE_NOT_AVAILABLE
+
+/* EXYNOS5 Common*/
 #define EXYNOS5_I2C_SPACING		0x10000
 
 #define EXYNOS5_GPIO_PART4_BASE		0x03860000
@@ -154,17 +187,20 @@ static inline int proid_is_##type(void)			\
 }
 
 IS_EXYNOS_TYPE(exynos4210, 0x4210)
+IS_EXYNOS_TYPE(exynos4412, 0x4412)
 IS_EXYNOS_TYPE(exynos5250, 0x5250)
 
 #define SAMSUNG_BASE(device, base)				\
 static inline unsigned int samsung_get_base_##device(void)	\
 {								\
-	if (cpu_is_exynos4())					\
+	if (cpu_is_exynos4()) {					\
+		if (proid_is_exynos4412())			\
+			return EXYNOS4X12_##base;		\
 		return EXYNOS4_##base;				\
-	else if (cpu_is_exynos5())				\
+	} else if (cpu_is_exynos5()) {				\
 		return EXYNOS5_##base;				\
-	else							\
-		return 0;					\
+	}							\
+	return 0;						\
 }
 
 SAMSUNG_BASE(adc, ADC_BASE)
diff --git a/arch/arm/include/asm/arch-exynos/dp_info.h b/arch/arm/include/asm/arch-exynos/dp_info.h
index 35694980f..102b709bd 100644
--- a/arch/arm/include/asm/arch-exynos/dp_info.h
+++ b/arch/arm/include/asm/arch-exynos/dp_info.h
@@ -211,4 +211,6 @@ unsigned int exynos_init_dp(void)
 }
 #endif
 
+void exynos_set_dp_platform_data(struct exynos_dp_platform_data *pd);
+
 #endif /* _DP_INFO_H */
diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h
index 4db8fd640..cfe10246c 100644
--- a/arch/arm/include/asm/arch-exynos/gpio.h
+++ b/arch/arm/include/asm/arch-exynos/gpio.h
@@ -79,6 +79,67 @@ struct exynos4_gpio_part3 {
 	struct s5p_gpio_bank z;
 };
 
+struct exynos4x12_gpio_part1 {
+	struct s5p_gpio_bank a0;
+	struct s5p_gpio_bank a1;
+	struct s5p_gpio_bank b;
+	struct s5p_gpio_bank c0;
+	struct s5p_gpio_bank c1;
+	struct s5p_gpio_bank d0;
+	struct s5p_gpio_bank d1;
+	struct s5p_gpio_bank res1[0x5];
+	struct s5p_gpio_bank f0;
+	struct s5p_gpio_bank f1;
+	struct s5p_gpio_bank f2;
+	struct s5p_gpio_bank f3;
+	struct s5p_gpio_bank res2[0x2];
+	struct s5p_gpio_bank j0;
+	struct s5p_gpio_bank j1;
+};
+
+struct exynos4x12_gpio_part2 {
+	struct s5p_gpio_bank res1[0x2];
+	struct s5p_gpio_bank k0;
+	struct s5p_gpio_bank k1;
+	struct s5p_gpio_bank k2;
+	struct s5p_gpio_bank k3;
+	struct s5p_gpio_bank l0;
+	struct s5p_gpio_bank l1;
+	struct s5p_gpio_bank l2;
+	struct s5p_gpio_bank y0;
+	struct s5p_gpio_bank y1;
+	struct s5p_gpio_bank y2;
+	struct s5p_gpio_bank y3;
+	struct s5p_gpio_bank y4;
+	struct s5p_gpio_bank y5;
+	struct s5p_gpio_bank y6;
+	struct s5p_gpio_bank res2[0x3];
+	struct s5p_gpio_bank m0;
+	struct s5p_gpio_bank m1;
+	struct s5p_gpio_bank m2;
+	struct s5p_gpio_bank m3;
+	struct s5p_gpio_bank m4;
+	struct s5p_gpio_bank res3[0x48];
+	struct s5p_gpio_bank x0;
+	struct s5p_gpio_bank x1;
+	struct s5p_gpio_bank x2;
+	struct s5p_gpio_bank x3;
+};
+
+struct exynos4x12_gpio_part3 {
+	struct s5p_gpio_bank z;
+};
+
+struct exynos4x12_gpio_part4 {
+	struct s5p_gpio_bank v0;
+	struct s5p_gpio_bank v1;
+	struct s5p_gpio_bank res1[0x1];
+	struct s5p_gpio_bank v2;
+	struct s5p_gpio_bank v3;
+	struct s5p_gpio_bank res2[0x1];
+	struct s5p_gpio_bank v4;
+};
+
 struct exynos5_gpio_part1 {
 	struct s5p_gpio_bank a0;
 	struct s5p_gpio_bank a1;
@@ -163,6 +224,30 @@ void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
 	    - EXYNOS4_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
 	  * GPIO_PER_BANK) + pin) + EXYNOS4_GPIO_PART1_MAX)
 
+#define exynos4x12_gpio_part1_get_nr(bank, pin) \
+	((((((unsigned int) &(((struct exynos4x12_gpio_part1 *) \
+			       EXYNOS4X12_GPIO_PART1_BASE)->bank)) \
+	    - EXYNOS4X12_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
+	  * GPIO_PER_BANK) + pin)
+
+#define EXYNOS4X12_GPIO_PART1_MAX ((sizeof(struct exynos4x12_gpio_part1) \
+			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
+
+#define exynos4x12_gpio_part2_get_nr(bank, pin) \
+	(((((((unsigned int) &(((struct exynos4x12_gpio_part2 *) \
+				EXYNOS4X12_GPIO_PART2_BASE)->bank)) \
+	    - EXYNOS4X12_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
+	  * GPIO_PER_BANK) + pin) + EXYNOS4X12_GPIO_PART1_MAX)
+
+#define EXYNOS4X12_GPIO_PART2_MAX ((sizeof(struct exynos4x12_gpio_part2) \
+			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
+
+#define exynos4x12_gpio_part3_get_nr(bank, pin) \
+	(((((((unsigned int) &(((struct exynos4x12_gpio_part3 *) \
+				EXYNOS4X12_GPIO_PART3_BASE)->bank)) \
+	    - EXYNOS4X12_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \
+	  * GPIO_PER_BANK) + pin) + EXYNOS4X12_GPIO_PART2_MAX)
+
 #define exynos5_gpio_part1_get_nr(bank, pin) \
 	((((((unsigned int) &(((struct exynos5_gpio_part1 *) \
 			       EXYNOS5_GPIO_PART1_BASE)->bank)) \
diff --git a/arch/arm/include/asm/arch-exynos/mipi_dsim.h b/arch/arm/include/asm/arch-exynos/mipi_dsim.h
index 9a7cbeb59..c1c9a3578 100644
--- a/arch/arm/include/asm/arch-exynos/mipi_dsim.h
+++ b/arch/arm/include/asm/arch-exynos/mipi_dsim.h
@@ -358,7 +358,14 @@ struct mipi_dsim_lcd_driver {
 	void	(*mipi_display_on)(struct mipi_dsim_device *dsim_dev);
 };
 
+#ifdef CONFIG_EXYNOS_MIPI_DSIM
 int exynos_mipi_dsi_init(void);
+#else
+static inline int exynos_mipi_dsi_init(void)
+{
+	return 0;
+}
+#endif
 
 /*
  * register mipi_dsim_lcd_driver object defined by lcd panel driver
diff --git a/arch/arm/include/asm/arch-exynos/periph.h b/arch/arm/include/asm/arch-exynos/periph.h
index 13abd2d70..89bcdfc0c 100644
--- a/arch/arm/include/asm/arch-exynos/periph.h
+++ b/arch/arm/include/asm/arch-exynos/periph.h
@@ -25,12 +25,17 @@
 #define __ASM_ARM_ARCH_PERIPH_H
 
 /*
- * Peripherals requiring clock/pinmux configuration. List will
+ * Peripherals required for pinmux configuration. List will
  * grow with support for more devices getting added.
+ * Numbering based on interrupt table.
  *
  */
 enum periph_id {
-	PERIPH_ID_I2C0,
+	PERIPH_ID_UART0 = 51,
+	PERIPH_ID_UART1,
+	PERIPH_ID_UART2,
+	PERIPH_ID_UART3,
+	PERIPH_ID_I2C0 = 56,
 	PERIPH_ID_I2C1,
 	PERIPH_ID_I2C2,
 	PERIPH_ID_I2C3,
@@ -38,22 +43,24 @@ enum periph_id {
 	PERIPH_ID_I2C5,
 	PERIPH_ID_I2C6,
 	PERIPH_ID_I2C7,
-	PERIPH_ID_I2S1,
-	PERIPH_ID_SDMMC0,
+	PERIPH_ID_SPI0 = 68,
+	PERIPH_ID_SPI1,
+	PERIPH_ID_SPI2,
+	PERIPH_ID_SDMMC0 = 75,
 	PERIPH_ID_SDMMC1,
 	PERIPH_ID_SDMMC2,
 	PERIPH_ID_SDMMC3,
-	PERIPH_ID_SDMMC4,
-	PERIPH_ID_SROMC,
-	PERIPH_ID_SPI0,
-	PERIPH_ID_SPI1,
-	PERIPH_ID_SPI2,
+	PERIPH_ID_I2S1 = 99,
+
+	/* Since following peripherals do
+	 * not have shared peripheral interrupts (SPIs)
+	 * they are numbered arbitiraly after the maximum
+	 * SPIs Exynos has (128)
+	 */
+	PERIPH_ID_SROMC = 128,
 	PERIPH_ID_SPI3,
 	PERIPH_ID_SPI4,
-	PERIPH_ID_UART0,
-	PERIPH_ID_UART1,
-	PERIPH_ID_UART2,
-	PERIPH_ID_UART3,
+	PERIPH_ID_SDMMC4,
 
 	PERIPH_ID_COUNT,
 	PERIPH_ID_NONE = -1,
diff --git a/arch/arm/include/asm/arch-exynos/pinmux.h b/arch/arm/include/asm/arch-exynos/pinmux.h
index 10ea736c7..014eebc75 100644
--- a/arch/arm/include/asm/arch-exynos/pinmux.h
+++ b/arch/arm/include/asm/arch-exynos/pinmux.h
@@ -55,4 +55,12 @@ enum {
  */
 int exynos_pinmux_config(int peripheral, int flags);
 
+/**
+ * Decode the peripheral id using the interrpt numbers.
+ *
+ * @param blob  Device tree blob
+ * @param node  FDT I2C node to find
+ * @return peripheral id if ok, PERIPH_ID_NONE on error
+ */
+int pinmux_decode_periph_id(const void *blob, int node);
 #endif
diff --git a/arch/arm/include/asm/arch-exynos/sromc.h b/arch/arm/include/asm/arch-exynos/sromc.h
index f616bcb37..dc6aae2c5 100644
--- a/arch/arm/include/asm/arch-exynos/sromc.h
+++ b/arch/arm/include/asm/arch-exynos/sromc.h
@@ -48,4 +48,22 @@ struct s5p_sromc {
 /* Configure the Band Width and Bank Control Regs for required SROMC Bank */
 void s5p_config_sromc(u32 srom_bank, u32 srom_bw_conf, u32 srom_bc_conf);
 
+enum {
+	FDT_SROM_PMC,
+	FDT_SROM_TACP,
+	FDT_SROM_TAH,
+	FDT_SROM_TCOH,
+	FDT_SROM_TACC,
+	FDT_SROM_TCOS,
+	FDT_SROM_TACS,
+
+	FDT_SROM_TIMING_COUNT,
+};
+
+struct fdt_sromc {
+	u8 bank;	/* srom bank number */
+	u8 width;	/* bus width in bytes */
+	unsigned int timing[FDT_SROM_TIMING_COUNT]; /* timing parameters */
+};
+
 #endif /* __ASM_ARCH_SROMC_H_ */
diff --git a/board/samsung/dts/exynos5250-smdk5250.dts b/board/samsung/dts/exynos5250-smdk5250.dts
new file mode 100644
index 000000000..cbfab6f97
--- /dev/null
+++ b/board/samsung/dts/exynos5250-smdk5250.dts
@@ -0,0 +1,69 @@
+/*
+ * SAMSUNG SMDK5250 board device tree source
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/dts-v1/;
+/include/ ARCH_CPU_DTS
+
+/ {
+	model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
+	compatible = "samsung,smdk5250", "samsung,exynos5250";
+
+	aliases {
+		i2c0 = "/i2c@12c60000";
+		i2c1 = "/i2c@12c70000";
+		i2c2 = "/i2c@12c80000";
+		i2c3 = "/i2c@12c90000";
+		i2c4 = "/i2c@12ca0000";
+		i2c5 = "/i2c@12cb0000";
+		i2c6 = "/i2c@12cc0000";
+		i2c7 = "/i2c@12cd0000";
+		spi0 = "/spi@12d20000";
+		spi1 = "/spi@12d30000";
+		spi2 = "/spi@12d40000";
+		spi3 = "/spi@131a0000";
+		spi4 = "/spi@131b0000";
+	};
+
+	sromc@12250000 {
+		bank = <1>;
+		srom-timing = <1 9 12 1 6 1 1>;
+		width = <2>;
+		lan@5000000 {
+			compatible = "smsc,lan9215", "smsc,lan";
+			reg = <0x5000000 0x100>;
+			phy-mode = "mii";
+		};
+	};
+
+	sound@12d60000 {
+		samsung,i2s-epll-clock-frequency = <192000000>;
+		samsung,i2s-sampling-rate = <48000>;
+		samsung,i2s-bits-per-sample = <16>;
+		samsung,i2s-channels = <2>;
+		samsung,i2s-lr-clk-framesize = <256>;
+		samsung,i2s-bit-clk-framesize = <32>;
+		samsung,codec-type = "wm8994";
+	};
+
+	i2c@12c70000 {
+		soundcodec@1a {
+			reg = <0x1a>;
+			compatible = "wolfson,wm8994-codec";
+		};
+	};
+
+	i2c@12c60000 {
+		pmic@9 {
+			reg = <0x9>;
+			compatible = "maxim,max77686_pmic";
+		};
+	};
+};
diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
index 9c926d6ec..7a5f132eb 100644
--- a/board/samsung/smdk5250/smdk5250.c
+++ b/board/samsung/smdk5250/smdk5250.c
@@ -21,43 +21,35 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
 #include <asm/io.h>
 #include <i2c.h>
+#include <lcd.h>
 #include <netdev.h>
 #include <spi.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/pinmux.h>
+#include <asm/arch/power.h>
 #include <asm/arch/sromc.h>
+#include <asm/arch/dp_info.h>
 #include <power/pmic.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_SMC911X
-static int smc9115_pre_init(void)
+#ifdef CONFIG_USB_EHCI_EXYNOS
+int board_usb_vbus_init(void)
 {
-	u32 smc_bw_conf, smc_bc_conf;
-	int err;
-
-	/* Ethernet needs data bus width of 16 bits */
-	smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK)
-			| SROMC_BYTE_ENABLE(CONFIG_ENV_SROM_BANK);
+	struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
+						samsung_get_base_gpio_part1();
 
-	smc_bc_conf = SROMC_BC_TACS(0x01) | SROMC_BC_TCOS(0x01)
-			| SROMC_BC_TACC(0x06) | SROMC_BC_TCOH(0x01)
-			| SROMC_BC_TAH(0x0C)  | SROMC_BC_TACP(0x09)
-			| SROMC_BC_PMC(0x01);
+	/* Enable VBUS power switch */
+	s5p_gpio_direction_output(&gpio1->x2, 6, 1);
 
-	/* Select and configure the SROMC bank */
-	err = exynos_pinmux_config(PERIPH_ID_SROMC,
-				CONFIG_ENV_SROM_BANK | PINMUX_FLAG_16BIT);
-	if (err) {
-		debug("SROMC not configured\n");
-		return err;
-	}
+	/* VBUS turn ON time */
+	mdelay(3);
 
-	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
 	return 0;
 }
 #endif
@@ -68,6 +60,9 @@ int board_init(void)
 #ifdef CONFIG_EXYNOS_SPI
 	spi_init();
 #endif
+#ifdef CONFIG_USB_EHCI_EXYNOS
+	board_usb_vbus_init();
+#endif
 	return 0;
 }
 
@@ -122,12 +117,94 @@ void dram_init_banksize(void)
 							PHYS_SDRAM_8_SIZE);
 }
 
+#ifdef CONFIG_OF_CONTROL
+static int decode_sromc(const void *blob, struct fdt_sromc *config)
+{
+	int err;
+	int node;
+
+	node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
+	if (node < 0) {
+		debug("Could not find SROMC node\n");
+		return node;
+	}
+
+	config->bank = fdtdec_get_int(blob, node, "bank", 0);
+	config->width = fdtdec_get_int(blob, node, "width", 2);
+
+	err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
+			FDT_SROM_TIMING_COUNT);
+	if (err < 0) {
+		debug("Could not decode SROMC configuration\n");
+		return -FDT_ERR_NOTFOUND;
+	}
+
+	return 0;
+}
+#endif
+
 int board_eth_init(bd_t *bis)
 {
 #ifdef CONFIG_SMC911X
-	if (smc9115_pre_init())
+	u32 smc_bw_conf, smc_bc_conf;
+	struct fdt_sromc config;
+	fdt_addr_t base_addr;
+	int node;
+
+#ifdef CONFIG_OF_CONTROL
+	node = decode_sromc(gd->fdt_blob, &config);
+	if (node < 0) {
+		debug("%s: Could not find sromc configuration\n", __func__);
+		return 0;
+	}
+	node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
+	if (node < 0) {
+		debug("%s: Could not find lan9215 configuration\n", __func__);
+		return 0;
+	}
+
+	/* We now have a node, so any problems from now on are errors */
+	base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
+	if (base_addr == FDT_ADDR_T_NONE) {
+		debug("%s: Could not find lan9215 address\n", __func__);
 		return -1;
-	return smc911x_initialize(0, CONFIG_SMC911X_BASE);
+	}
+#else
+	/* Non-FDT configuration - bank number and timing parameters*/
+	config.bank = CONFIG_ENV_SROM_BANK;
+	config.width = 2;
+
+	config.timing[FDT_SROM_TACS] = 0x01;
+	config.timing[FDT_SROM_TCOS] = 0x01;
+	config.timing[FDT_SROM_TACC] = 0x06;
+	config.timing[FDT_SROM_TCOH] = 0x01;
+	config.timing[FDT_SROM_TAH] = 0x0C;
+	config.timing[FDT_SROM_TACP] = 0x09;
+	config.timing[FDT_SROM_PMC] = 0x01;
+	base_addr = CONFIG_SMC911X_BASE;
+#endif
+
+	/* Ethernet needs data bus width of 16 bits */
+	if (config.width != 2) {
+		debug("%s: Unsupported bus width %d\n", __func__,
+			config.width);
+		return -1;
+	}
+	smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
+			| SROMC_BYTE_ENABLE(config.bank);
+
+	smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS])   |\
+			SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |\
+			SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |\
+			SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |\
+			SROMC_BC_TAH(config.timing[FDT_SROM_TAH])   |\
+			SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |\
+			SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
+
+	/* Select and configure the SROMC bank */
+	exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
+	s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
+	return smc911x_initialize(0, base_addr);
 #endif
 	return 0;
 }
@@ -188,24 +265,6 @@ static int board_uart_init(void)
 	return 0;
 }
 
-#ifdef CONFIG_SYS_I2C_INIT_BOARD
-static int board_i2c_init(void)
-{
-	int i, err;
-
-	for (i = 0; i < CONFIG_MAX_I2C_NUM; i++) {
-		err = exynos_pinmux_config((PERIPH_ID_I2C0 + i),
-						PINMUX_FLAG_NONE);
-		if (err) {
-			debug("I2C%d not configured\n", (PERIPH_ID_I2C0 + i));
-			return err;
-		}
-	}
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-	return 0;
-}
-#endif
-
 #ifdef CONFIG_BOARD_EARLY_INIT_F
 int board_early_init_f(void)
 {
@@ -216,8 +275,104 @@ int board_early_init_f(void)
 		return err;
 	}
 #ifdef CONFIG_SYS_I2C_INIT_BOARD
-	err = board_i2c_init();
+	board_i2c_init(gd->fdt_blob);
 #endif
 	return err;
 }
 #endif
+
+#ifdef CONFIG_LCD
+void cfg_lcd_gpio(void)
+{
+	struct exynos5_gpio_part1 *gpio1 =
+		(struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
+
+	/* For Backlight */
+	s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT);
+	s5p_gpio_set_value(&gpio1->b2, 0, 1);
+
+	/* LCD power on */
+	s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT);
+	s5p_gpio_set_value(&gpio1->x1, 5, 1);
+
+	/* Set Hotplug detect for DP */
+	s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3));
+}
+
+vidinfo_t panel_info = {
+	.vl_freq	= 60,
+	.vl_col		= 2560,
+	.vl_row		= 1600,
+	.vl_width	= 2560,
+	.vl_height	= 1600,
+	.vl_clkp	= CONFIG_SYS_LOW,
+	.vl_hsp		= CONFIG_SYS_LOW,
+	.vl_vsp		= CONFIG_SYS_LOW,
+	.vl_dp		= CONFIG_SYS_LOW,
+	.vl_bpix	= 4,	/* LCD_BPP = 2^4, for output conosle on LCD */
+
+	/* wDP panel timing infomation */
+	.vl_hspw	= 32,
+	.vl_hbpd	= 80,
+	.vl_hfpd	= 48,
+
+	.vl_vspw	= 6,
+	.vl_vbpd	= 37,
+	.vl_vfpd	= 3,
+	.vl_cmd_allow_len = 0xf,
+
+	.win_id		= 3,
+	.cfg_gpio	= cfg_lcd_gpio,
+	.backlight_on	= NULL,
+	.lcd_power_on	= NULL,
+	.reset_lcd	= NULL,
+	.dual_lcd_enabled = 0,
+
+	.init_delay	= 0,
+	.power_on_delay = 0,
+	.reset_delay	= 0,
+	.interface_mode = FIMD_RGB_INTERFACE,
+	.dp_enabled	= 1,
+};
+
+static struct edp_device_info edp_info = {
+	.disp_info = {
+		.h_res = 2560,
+		.h_sync_width = 32,
+		.h_back_porch = 80,
+		.h_front_porch = 48,
+		.v_res = 1600,
+		.v_sync_width  = 6,
+		.v_back_porch = 37,
+		.v_front_porch = 3,
+		.v_sync_rate = 60,
+	},
+	.lt_info = {
+		.lt_status = DP_LT_NONE,
+	},
+	.video_info = {
+		.master_mode = 0,
+		.bist_mode = DP_DISABLE,
+		.bist_pattern = NO_PATTERN,
+		.h_sync_polarity = 0,
+		.v_sync_polarity = 0,
+		.interlaced = 0,
+		.color_space = COLOR_RGB,
+		.dynamic_range = VESA,
+		.ycbcr_coeff = COLOR_YCBCR601,
+		.color_depth = COLOR_8,
+	},
+};
+
+static struct exynos_dp_platform_data dp_platform_data = {
+	.phy_enable	= set_dp_phy_ctrl,
+	.edp_dev_info	= &edp_info,
+};
+
+void init_panel_info(vidinfo_t *vid)
+{
+	vid->rgb_mode   = MODE_RGB_P,
+
+	exynos_set_dp_platform_data(&dp_platform_data);
+}
+#endif
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
index 472402942..88d193de2 100644
--- a/board/samsung/trats/trats.c
+++ b/board/samsung/trats/trats.c
@@ -67,7 +67,7 @@ struct s3c_plat_otg_data s5pc210_otg_data;
 
 int board_init(void)
 {
-	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+	gd->bd->bi_boot_params = CONFIG_SYS_SPL_ARGS_ADDR;
 
 	check_hw_revision();
 	printf("HW Revision:\t0x%x\n", board_rev);
diff --git a/common/cmd_sound.c b/common/cmd_sound.c
index 459d1ebaf..cfca9dd13 100644
--- a/common/cmd_sound.c
+++ b/common/cmd_sound.c
@@ -33,7 +33,7 @@ static int do_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 {
 	int ret;
 
-	ret = sound_init();
+	ret = sound_init(gd->fdt_blob);
 	if (ret) {
 		printf("Initialise Audio driver failed\n");
 		return CMD_RET_FAILURE;
diff --git a/doc/device-tree-bindings/exynos/isp-spi.txt b/doc/device-tree-bindings/exynos/isp-spi.txt
new file mode 100644
index 000000000..b8086e82b
--- /dev/null
+++ b/doc/device-tree-bindings/exynos/isp-spi.txt
@@ -0,0 +1,22 @@
+Exynos ISP SPI Subsystem
+
+The device node for ISP SPI subsytem.
+Since Peripheral id in EXYNOS is decoded based on Interrupts, currently
+ISP SPI have no individual interrupts hence we add ad dummy interrupt node
+which will have a value beyond the maximum number of interrupts exynos5 can
+support.
+
+Required properties :
+ - compatible : Should be "samsung,exynos-spi" for spi.
+ - reg : Base adrress of the the subsystem.
+ - interrupts : A value which is beyond the maximum number of interrupts
+exynos5 can support.
+
+Example:
+spi@131a0000 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	compatible = "samsung,exynos-spi";
+	reg = <0x131a0000 0x30>;
+	interrupts = <0 129 0>;
+};
diff --git a/doc/device-tree-bindings/exynos/sound.txt b/doc/device-tree-bindings/exynos/sound.txt
new file mode 100644
index 000000000..98d1798d0
--- /dev/null
+++ b/doc/device-tree-bindings/exynos/sound.txt
@@ -0,0 +1,27 @@
+Exynos Sound Subsystem
+
+The device node for sound subsytem which contains codec and i2s block
+that is a part of Exynos5250
+
+Required properties :
+ - compatible : Should be "samsung,exynos-sound" for sound
+ - samsung,i2s-epll-clock-frequency : epll clock output frequency in Hz
+ - samsung,i2s-sampling-rate : sampling rate, default is 48000
+ - samsung,i2s-bits-per-sample : sample width, defalut is 16 bit
+ - samsung,i2s-channels : nummber of channels, default is 2
+ - samsung,i2s-lr-clk-framesize : lr clock frame size
+ - samsung,i2s-bit-clk-framesize : bit clock frame size
+ - samsung,codec-type : sound codec type
+
+Example:
+
+sound@12d60000 {
+	compatible = "samsung,exynos-sound"
+	samsung,i2s-epll-clock-frequency = <192000000>;
+	samsung,i2s-sampling-rate = <48000>;
+	samsung,i2s-bits-per-sample = <16>;
+	samsung,i2s-channels = <2>;
+	samsung,i2s-lr-clk-framesize = <256>;
+	samsung,i2s-bit-clk-framesize = <32>;
+	samsung,codec-type = "wm8994";
+};
diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c
index 90d297a28..769a2ba5b 100644
--- a/drivers/i2c/s3c24x0_i2c.c
+++ b/drivers/i2c/s3c24x0_i2c.c
@@ -27,9 +27,11 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
 #if (defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5)
 #include <asm/arch/clk.h>
 #include <asm/arch/cpu.h>
+#include <asm/arch/pinmux.h>
 #else
 #include <asm/arch/s3c24x0_cpu.h>
 #endif
@@ -60,7 +62,16 @@
 #define I2C_TIMEOUT 1		/* 1 second */
 
 
-static unsigned int g_current_bus;	/* Stores Current I2C Bus */
+/*
+ * For SPL boot some boards need i2c before SDRAM is initialised so force
+ * variables to live in SRAM
+ */
+static unsigned int g_current_bus __attribute__((section(".data")));
+#ifdef CONFIG_OF_CONTROL
+static int i2c_busses __attribute__((section(".data")));
+static struct s3c24x0_i2c_bus i2c_bus[CONFIG_MAX_I2C_NUM]
+			__attribute__((section(".data")));
+#endif
 
 #if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5)
 static int GetI2CSDA(void)
@@ -512,4 +523,76 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
 		(i2c, I2C_WRITE, chip << 1, &xaddr[4 - alen], alen, buffer,
 		 len) != 0);
 }
+
+#ifdef CONFIG_OF_CONTROL
+void board_i2c_init(const void *blob)
+{
+	int node_list[CONFIG_MAX_I2C_NUM];
+	int count, i;
+
+	count = fdtdec_find_aliases_for_id(blob, "i2c",
+		COMPAT_SAMSUNG_S3C2440_I2C, node_list,
+		CONFIG_MAX_I2C_NUM);
+
+	for (i = 0; i < count; i++) {
+		struct s3c24x0_i2c_bus *bus;
+		int node = node_list[i];
+
+		if (node <= 0)
+			continue;
+		bus = &i2c_bus[i];
+		bus->regs = (struct s3c24x0_i2c *)
+			fdtdec_get_addr(blob, node, "reg");
+		bus->id = pinmux_decode_periph_id(blob, node);
+		bus->node = node;
+		bus->bus_num = i2c_busses++;
+		exynos_pinmux_config(bus->id, 0);
+	}
+}
+
+static struct s3c24x0_i2c_bus *get_bus(unsigned int bus_idx)
+{
+	if (bus_idx < i2c_busses)
+		return &i2c_bus[bus_idx];
+
+	debug("Undefined bus: %d\n", bus_idx);
+	return NULL;
+}
+
+int i2c_get_bus_num_fdt(int node)
+{
+	int i;
+
+	for (i = 0; i < i2c_busses; i++) {
+		if (node == i2c_bus[i].node)
+			return i;
+	}
+
+	debug("%s: Can't find any matched I2C bus\n", __func__);
+	return -1;
+}
+
+int i2c_reset_port_fdt(const void *blob, int node)
+{
+	struct s3c24x0_i2c_bus *i2c;
+	int bus;
+
+	bus = i2c_get_bus_num_fdt(node);
+	if (bus < 0) {
+		debug("could not get bus for node %d\n", node);
+		return -1;
+	}
+
+	i2c = get_bus(bus);
+	if (!i2c) {
+		debug("get_bus() failed for node node %d\n", node);
+		return -1;
+	}
+
+	i2c_ch_init(i2c->regs, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+	return 0;
+}
+#endif
+
 #endif /* CONFIG_HARD_I2C */
diff --git a/drivers/i2c/s3c24x0_i2c.h b/drivers/i2c/s3c24x0_i2c.h
index 2dd4b06a2..a56d749de 100644
--- a/drivers/i2c/s3c24x0_i2c.h
+++ b/drivers/i2c/s3c24x0_i2c.h
@@ -30,4 +30,11 @@ struct s3c24x0_i2c {
 	u32	iicds;
 	u32	iiclc;
 };
+
+struct s3c24x0_i2c_bus {
+	int node;	/* device tree node */
+	int bus_num;	/* i2c bus number */
+	struct s3c24x0_i2c *regs;
+	int id;
+};
 #endif /* _S3C24X0_I2C_H */
diff --git a/drivers/power/pmic/pmic_max77686.c b/drivers/power/pmic/pmic_max77686.c
index fce0183af..7fcb4c0be 100644
--- a/drivers/power/pmic/pmic_max77686.c
+++ b/drivers/power/pmic/pmic_max77686.c
@@ -22,10 +22,14 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
+#include <i2c.h>
 #include <power/pmic.h>
 #include <power/max77686_pmic.h>
 #include <errno.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 int pmic_init(unsigned char bus)
 {
 	static const char name[] = "MAX77686_PMIC";
@@ -36,13 +40,40 @@ int pmic_init(unsigned char bus)
 		return -ENOMEM;
 	}
 
-	puts("Board PMIC init\n");
+#ifdef CONFIG_OF_CONTROL
+	const void *blob = gd->fdt_blob;
+	int node, parent;
+
+	node = fdtdec_next_compatible(blob, 0, COMPAT_MAXIM_MAX77686_PMIC);
+	if (node < 0) {
+		debug("PMIC: No node for PMIC Chip in device tree\n");
+		debug("node = %d\n", node);
+		return -1;
+	}
+
+	parent = fdt_parent_offset(blob, node);
+	if (parent < 0) {
+		debug("%s: Cannot find node parent\n", __func__);
+		return -1;
+	}
+
+	p->bus = i2c_get_bus_num_fdt(parent);
+	if (p->bus < 0) {
+		debug("%s: Cannot find I2C bus\n", __func__);
+		return -1;
+	}
+	p->hw.i2c.addr = fdtdec_get_int(blob, node, "reg", 9);
+#else
+	p->bus = bus;
+	p->hw.i2c.addr = MAX77686_I2C_ADDR;
+#endif
+
 	p->name = name;
 	p->interface = PMIC_I2C;
 	p->number_of_regs = PMIC_NUM_OF_REGS;
-	p->hw.i2c.addr = MAX77686_I2C_ADDR;
 	p->hw.i2c.tx_num = 1;
-	p->bus = bus;
+
+	puts("Board PMIC init\n");
 
 	return 0;
 }
diff --git a/drivers/sound/sound.c b/drivers/sound/sound.c
index 4c74534c9..fa8432d48 100644
--- a/drivers/sound/sound.c
+++ b/drivers/sound/sound.c
@@ -24,111 +24,159 @@
 #include <malloc.h>
 #include <common.h>
 #include <asm/io.h>
+#include <libfdt.h>
+#include <fdtdec.h>
 #include <i2c.h>
 #include <i2s.h>
 #include <sound.h>
-#include "wm8994.h"
 #include <asm/arch/sound.h>
+#include "wm8994.h"
 
 /* defines */
 #define SOUND_400_HZ 400
 #define SOUND_BITS_IN_BYTE 8
 
 static struct i2stx_info g_i2stx_pri;
-static struct sound_codec_info g_codec_info;
 
 /*
- * get_sound_fdt_values gets fdt values for i2s parameters
+ * get_sound_i2s_values gets values for i2s parameters
  *
  * @param i2stx_info	i2s transmitter transfer param structure
- * @param blob		FDT blob
- */
-static void get_sound_i2s_values(struct i2stx_info *i2s)
-{
-	i2s->base_address = samsung_get_base_i2s();
-	i2s->audio_pll_clk = I2S_PLL_CLK;
-	i2s->samplingrate = I2S_SAMPLING_RATE;
-	i2s->bitspersample = I2S_BITS_PER_SAMPLE;
-	i2s->channels = I2S_CHANNELS;
-	i2s->rfs = I2S_RFS;
-	i2s->bfs = I2S_BFS;
-}
-
-/*
- * Gets fdt values for wm8994 config parameters
- *
- * @param pcodec_info	codec information structure
- * @param blob		FDT blob
- * @return		int value, 0 for success
+ * @param blob		FDT blob if enabled else NULL
  */
-static int get_sound_wm8994_values(struct sound_codec_info *pcodec_info)
+static int get_sound_i2s_values(struct i2stx_info *i2s, const void *blob)
 {
+#ifdef CONFIG_OF_CONTROL
+	int node;
 	int error = 0;
+	int base;
 
-	switch (AUDIO_COMPAT) {
-	case AUDIO_COMPAT_SPI:
-		debug("%s: Support not added for SPI interface\n", __func__);
+	node = fdtdec_next_compatible(blob, 0,
+					COMPAT_SAMSUNG_EXYNOS5_SOUND);
+	if (node <= 0) {
+		debug("EXYNOS_SOUND: No node for sound in device tree\n");
 		return -1;
-		break;
-	case AUDIO_COMPAT_I2C:
-		pcodec_info->i2c_bus = AUDIO_I2C_BUS;
-		pcodec_info->i2c_dev_addr = AUDIO_I2C_REG;
-		debug("i2c dev addr = %d\n", pcodec_info->i2c_dev_addr);
-		break;
-	default:
-		debug("%s: Unknown compat id %d\n", __func__, AUDIO_COMPAT);
+	}
+
+	/*
+	 * Get the pre-defined sound specific values from FDT.
+	 * All of these are expected to be correct otherwise
+	 * wrong register values in i2s setup parameters
+	 * may result in no sound play.
+	 */
+	base = fdtdec_get_addr(blob, node, "reg");
+	if (base == FDT_ADDR_T_NONE) {
+		debug("%s: Missing  i2s base\n", __func__);
 		return -1;
 	}
+	i2s->base_address = base;
 
+	i2s->audio_pll_clk = fdtdec_get_int(blob,
+				node, "samsung,i2s-epll-clock-frequency", -1);
+	error |= i2s->audio_pll_clk;
+	debug("audio_pll_clk = %d\n", i2s->audio_pll_clk);
+	i2s->samplingrate = fdtdec_get_int(blob,
+				node, "samsung,i2s-sampling-rate", -1);
+	error |= i2s->samplingrate;
+	debug("samplingrate = %d\n", i2s->samplingrate);
+	i2s->bitspersample = fdtdec_get_int(blob,
+				node, "samsung,i2s-bits-per-sample", -1);
+	error |= i2s->bitspersample;
+	debug("bitspersample = %d\n", i2s->bitspersample);
+	i2s->channels = fdtdec_get_int(blob,
+			node, "samsung,i2s-channels", -1);
+	error |= i2s->channels;
+	debug("channels = %d\n", i2s->channels);
+	i2s->rfs = fdtdec_get_int(blob,
+				node, "samsung,i2s-lr-clk-framesize", -1);
+	error |= i2s->rfs;
+	debug("rfs = %d\n", i2s->rfs);
+	i2s->bfs = fdtdec_get_int(blob,
+				node, "samsung,i2s-bit-clk-framesize", -1);
+	error |= i2s->bfs;
+	debug("bfs = %d\n", i2s->bfs);
 	if (error == -1) {
-		debug("fail to get wm8994 codec node properties\n");
+		debug("fail to get sound i2s node properties\n");
 		return -1;
 	}
-
+#else
+	i2s->base_address = samsung_get_base_i2s();
+	i2s->audio_pll_clk = I2S_PLL_CLK;
+	i2s->samplingrate = I2S_SAMPLING_RATE;
+	i2s->bitspersample = I2S_BITS_PER_SAMPLE;
+	i2s->channels = I2S_CHANNELS;
+	i2s->rfs = I2S_RFS;
+	i2s->bfs = I2S_BFS;
+#endif
 	return 0;
 }
 
 /*
- * Gets fdt values for codec config parameters
+ * Init codec
  *
- * @param pcodec_info	codec information structure
- * @param blob		FDT blob
- * @return		int value, 0 for success
+ * @param blob          FDT blob
+ * @param pi2s_tx	i2s parameters required by codec
+ * @return              int value, 0 for success
  */
-static int get_sound_codec_values(struct sound_codec_info *pcodec_info)
+static int codec_init(const void *blob, struct i2stx_info *pi2s_tx)
 {
-	int error = 0;
+	int ret;
 	const char *codectype;
+#ifdef CONFIG_OF_CONTROL
+	int node;
 
-	codectype =  AUDIO_CODEC;
+	/* Get the node from FDT for sound */
+	node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SOUND);
+	if (node <= 0) {
+		debug("EXYNOS_SOUND: No node for sound in device tree\n");
+		debug("node = %d\n", node);
+		return -1;
+	}
 
+	/*
+	 * Get the pre-defined sound codec specific values from FDT.
+	 * All of these are expected to be correct otherwise sound
+	 * can not be played
+	 */
+	codectype = fdt_getprop(blob, node, "samsung,codec-type", NULL);
+	debug("device = %s\n", codectype);
+#else
+	codectype =  AUDIO_CODEC;
+#endif
 	if (!strcmp(codectype, "wm8994")) {
-		pcodec_info->codec_type = CODEC_WM_8994;
-		error = get_sound_wm8994_values(pcodec_info);
+		/* Check the codec type and initialise the same */
+		ret = wm8994_init(blob, WM8994_AIF2,
+			pi2s_tx->samplingrate,
+			(pi2s_tx->samplingrate * (pi2s_tx->rfs)),
+			pi2s_tx->bitspersample, pi2s_tx->channels);
 	} else {
-		error = -1;
+		debug("%s: Unknown code type %s\n", __func__,
+		      codectype);
+		return -1;
 	}
-
-	if (error == -1) {
-		debug("fail to get sound codec node properties\n");
+	if (ret) {
+		debug("%s: Codec init failed\n", __func__);
 		return -1;
 	}
 
 	return 0;
 }
 
-int sound_init(void)
+int sound_init(const void *blob)
 {
 	int ret;
 	struct i2stx_info *pi2s_tx = &g_i2stx_pri;
-	struct sound_codec_info *pcodec_info = &g_codec_info;
 
 	/* Get the I2S Values */
-	get_sound_i2s_values(pi2s_tx);
+	if (get_sound_i2s_values(pi2s_tx, blob) < 0) {
+		debug(" FDT I2S values failed\n");
+		return -1;
+	}
 
-	/* Get the codec Values */
-	if (get_sound_codec_values(pcodec_info) < 0)
+	if (codec_init(blob, pi2s_tx) < 0) {
+		debug(" Codec init failed\n");
 		return -1;
+	}
 
 	ret = i2s_tx_init(pi2s_tx);
 	if (ret) {
@@ -137,21 +185,6 @@ int sound_init(void)
 		return ret;
 	}
 
-	/* Check the codec type and initialise the same */
-	if (pcodec_info->codec_type == CODEC_WM_8994) {
-		ret = wm8994_init(pcodec_info, WM8994_AIF2,
-			pi2s_tx->samplingrate,
-			(pi2s_tx->samplingrate * (pi2s_tx->rfs)),
-			pi2s_tx->bitspersample, pi2s_tx->channels);
-	} else {
-		debug("%s: Unknown code type %d\n", __func__,
-		      pcodec_info->codec_type);
-		return -1;
-	}
-	if (ret) {
-		debug("%s: Codec init failed\n", __func__);
-		return -1;
-	}
 
 	return ret;
 }
diff --git a/drivers/sound/wm8994.c b/drivers/sound/wm8994.c
index 293903ada..3b673b455 100644
--- a/drivers/sound/wm8994.c
+++ b/drivers/sound/wm8994.c
@@ -26,9 +26,11 @@
 #include <asm/io.h>
 #include <common.h>
 #include <div64.h>
+#include <fdtdec.h>
 #include <i2c.h>
 #include <i2s.h>
 #include <sound.h>
+#include <asm/arch/sound.h>
 #include "wm8994.h"
 #include "wm8994_registers.h"
 
@@ -77,6 +79,7 @@ static int bclk_divs[] = {
 
 static struct wm8994_priv g_wm8994_info;
 static unsigned char g_wm8994_i2c_dev_addr;
+static struct sound_codec_info g_codec_info;
 
 /*
  * Initialise I2C for wm 8994
@@ -747,13 +750,80 @@ err:
 	return -1;
 }
 
+/*
+ * Gets fdt values for wm8994 config parameters
+ *
+ * @param pcodec_info	codec information structure
+ * @param blob		FDT blob
+ * @return		int value, 0 for success
+ */
+static int get_codec_values(struct sound_codec_info *pcodec_info,
+			const void *blob)
+{
+	int error = 0;
+#ifdef CONFIG_OF_CONTROL
+	enum fdt_compat_id compat;
+	int node;
+	int parent;
+
+	/* Get the node from FDT for codec */
+	node = fdtdec_next_compatible(blob, 0, COMPAT_WOLFSON_WM8994_CODEC);
+	if (node <= 0) {
+		debug("EXYNOS_SOUND: No node for codec in device tree\n");
+		debug("node = %d\n", node);
+		return -1;
+	}
+
+	parent = fdt_parent_offset(blob, node);
+	if (parent < 0) {
+		debug("%s: Cannot find node parent\n", __func__);
+		return -1;
+	}
+
+	compat = fdtdec_lookup(blob, parent);
+	switch (compat) {
+	case COMPAT_SAMSUNG_S3C2440_I2C:
+		pcodec_info->i2c_bus = i2c_get_bus_num_fdt(parent);
+		error |= pcodec_info->i2c_bus;
+		debug("i2c bus = %d\n", pcodec_info->i2c_bus);
+		pcodec_info->i2c_dev_addr = fdtdec_get_int(blob, node,
+							"reg", 0);
+		error |= pcodec_info->i2c_dev_addr;
+		debug("i2c dev addr = %d\n", pcodec_info->i2c_dev_addr);
+		break;
+	default:
+		debug("%s: Unknown compat id %d\n", __func__, compat);
+		return -1;
+	}
+#else
+	pcodec_info->i2c_bus = AUDIO_I2C_BUS;
+	pcodec_info->i2c_dev_addr = AUDIO_I2C_REG;
+	debug("i2c dev addr = %d\n", pcodec_info->i2c_dev_addr);
+#endif
+
+	pcodec_info->codec_type = CODEC_WM_8994;
+
+	if (error == -1) {
+		debug("fail to get wm8994 codec node properties\n");
+		return -1;
+	}
+
+	return 0;
+}
+
 /*wm8994 Device Initialisation */
-int wm8994_init(struct sound_codec_info *pcodec_info,
-			enum en_audio_interface aif_id,
+int wm8994_init(const void *blob, enum en_audio_interface aif_id,
 			int sampling_rate, int mclk_freq,
 			int bits_per_sample, unsigned int channels)
 {
 	int ret = 0;
+	struct sound_codec_info *pcodec_info = &g_codec_info;
+
+	/* Get the codec Values */
+	if (get_codec_values(pcodec_info, blob) < 0) {
+		debug("FDT Codec values failed\n");
+		return -1;
+	}
 
 	/* shift the device address by 1 for 7 bit addressing */
 	g_wm8994_i2c_dev_addr = pcodec_info->i2c_dev_addr;
diff --git a/drivers/sound/wm8994.h b/drivers/sound/wm8994.h
index a8f0de18c..a1e83353b 100644
--- a/drivers/sound/wm8994.h
+++ b/drivers/sound/wm8994.h
@@ -69,8 +69,7 @@ enum wm8994_type {
 /*
  * intialise wm8994 sound codec device for the given configuration
  *
- * @param pcodec_info		pointer value of the sound codec info structure
- *				parsed from device tree
+ * @param blob			FDT node for codec values
  * @param aif_id		enum value of codec interface port in which
  *				soc i2s is connected
  * @param sampling_rate		Sampling rate ranges between from 8khz to 96khz
@@ -80,8 +79,7 @@ enum wm8994_type {
  *
  * @returns -1 for error  and 0  Success.
  */
-int wm8994_init(struct sound_codec_info *pcodec_info,
-			enum en_audio_interface aif_id,
+int wm8994_init(const void *blob, enum en_audio_interface aif_id,
 			int sampling_rate, int mclk_freq,
 			int bits_per_sample, unsigned int channels);
 #endif /*__WM8994_H__ */
diff --git a/drivers/spi/exynos_spi.c b/drivers/spi/exynos_spi.c
index 3e6c18f87..be60ada2b 100644
--- a/drivers/spi/exynos_spi.c
+++ b/drivers/spi/exynos_spi.c
@@ -20,6 +20,7 @@
 #include <common.h>
 #include <malloc.h>
 #include <spi.h>
+#include <fdtdec.h>
 #include <asm/arch/clk.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/cpu.h>
@@ -28,16 +29,20 @@
 #include <asm/arch-exynos/spi.h>
 #include <asm/io.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 /* Information about each SPI controller */
 struct spi_bus {
 	enum periph_id periph_id;
 	s32 frequency;		/* Default clock frequency, -1 for none */
 	struct exynos_spi *regs;
 	int inited;		/* 1 if this bus is ready for use */
+	int node;
 };
 
 /* A list of spi buses that we know about */
 static struct spi_bus spi_bus[EXYNOS5_SPI_NUM_CONTROLLERS];
+static unsigned int bus_count;
 
 struct exynos_spi_slave {
 	struct spi_slave slave;
@@ -50,7 +55,7 @@ struct exynos_spi_slave {
 
 static struct spi_bus *spi_get_bus(unsigned dev_index)
 {
-	if (dev_index < EXYNOS5_SPI_NUM_CONTROLLERS)
+	if (dev_index < bus_count)
 		return &spi_bus[dev_index];
 	debug("%s: invalid bus %d", __func__, dev_index);
 
@@ -347,21 +352,100 @@ static inline struct exynos_spi *get_spi_base(int dev_index)
 					(dev_index - 3);
 }
 
+/*
+ * Read the SPI config from the device tree node.
+ *
+ * @param blob  FDT blob to read from
+ * @param node  Node offset to read from
+ * @param bus   SPI bus structure to fill with information
+ * @return 0 if ok, or -FDT_ERR_NOTFOUND if something was missing
+ */
+static int spi_get_config(const void *blob, int node, struct spi_bus *bus)
+{
+	bus->node = node;
+	bus->regs = (struct exynos_spi *)fdtdec_get_addr(blob, node, "reg");
+	bus->periph_id = pinmux_decode_periph_id(blob, node);
+
+	if (bus->periph_id == PERIPH_ID_NONE) {
+		debug("%s: Invalid peripheral ID %d\n", __func__,
+			bus->periph_id);
+		return -FDT_ERR_NOTFOUND;
+	}
+
+	/* Use 500KHz as a suitable default */
+	bus->frequency = fdtdec_get_int(blob, node, "spi-max-frequency",
+					500000);
+
+	return 0;
+}
+
+/*
+ * Process a list of nodes, adding them to our list of SPI ports.
+ *
+ * @param blob          fdt blob
+ * @param node_list     list of nodes to process (any <=0 are ignored)
+ * @param count         number of nodes to process
+ * @param is_dvc        1 if these are DVC ports, 0 if standard I2C
+ * @return 0 if ok, -1 on error
+ */
+static int process_nodes(const void *blob, int node_list[], int count)
+{
+	int i;
+
+	/* build the i2c_controllers[] for each controller */
+	for (i = 0; i < count; i++) {
+		int node = node_list[i];
+		struct spi_bus *bus;
+
+		if (node <= 0)
+			continue;
+
+		bus = &spi_bus[i];
+		if (spi_get_config(blob, node, bus)) {
+			printf("exynos spi_init: failed to decode bus %d\n",
+				i);
+			return -1;
+		}
+
+		debug("spi: controller bus %d at %p, periph_id %d\n",
+		      i, bus->regs, bus->periph_id);
+		bus->inited = 1;
+		bus_count++;
+	}
+
+	return 0;
+}
+
 /* Sadly there is no error return from this function */
 void spi_init(void)
 {
-	int i;
+	int count;
+
+#ifdef CONFIG_OF_CONTROL
+	int node_list[EXYNOS5_SPI_NUM_CONTROLLERS];
+	const void *blob = gd->fdt_blob;
+
+	count = fdtdec_find_aliases_for_id(blob, "spi",
+			COMPAT_SAMSUNG_EXYNOS_SPI, node_list,
+			EXYNOS5_SPI_NUM_CONTROLLERS);
+	if (process_nodes(blob, node_list, count))
+		return;
+
+#else
 	struct spi_bus *bus;
 
-	for (i = 0; i < EXYNOS5_SPI_NUM_CONTROLLERS; i++) {
-		bus = &spi_bus[i];
-		bus->regs = get_spi_base(i);
-		bus->periph_id = PERIPH_ID_SPI0 + i;
+	for (count = 0; count < EXYNOS5_SPI_NUM_CONTROLLERS; count++) {
+		bus = &spi_bus[count];
+		bus->regs = get_spi_base(count);
+		bus->periph_id = PERIPH_ID_SPI0 + count;
 
 		/* Although Exynos5 supports upto 50Mhz speed,
 		 * we are setting it to 10Mhz for safe side
 		 */
 		bus->frequency = 10000000;
 		bus->inited = 1;
+		bus->node = 0;
+		bus_count = EXYNOS5_SPI_NUM_CONTROLLERS;
 	}
+#endif
 }
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index 9f0ed06a8..3ca4c5c33 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -21,13 +21,71 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+#include <malloc.h>
 #include <usb.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/ehci.h>
 #include <asm/arch/system.h>
 #include <asm/arch/power.h>
+#include <asm-generic/errno.h>
+#include <linux/compat.h>
 #include "ehci.h"
 
+/* Declare global data pointer */
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+ * Contains pointers to register base addresses
+ * for the usb controller.
+ */
+struct exynos_ehci {
+	struct exynos_usb_phy *usb;
+	unsigned int *hcd;
+};
+
+static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos)
+{
+	unsigned int node;
+	int depth;
+
+	node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS_EHCI);
+	if (node <= 0) {
+		debug("EHCI: Can't get device node for ehci\n");
+		return -ENODEV;
+	}
+
+	/*
+	 * Get the base address for EHCI controller from the device node
+	 */
+	exynos->hcd = (unsigned int *)fdtdec_get_addr(blob, node, "reg");
+	if (exynos->hcd == NULL) {
+		debug("Can't get the EHCI register address\n");
+		return -ENXIO;
+	}
+
+	depth = 0;
+	node = fdtdec_next_compatible_subnode(blob, node,
+					COMPAT_SAMSUNG_EXYNOS_USB_PHY, &depth);
+	if (node <= 0) {
+		debug("EHCI: Can't get device node for usb-phy controller\n");
+		return -ENODEV;
+	}
+
+	/*
+	 * Get the base address for usbphy from the device node
+	 */
+	exynos->usb = (struct exynos_usb_phy *)fdtdec_get_addr(blob, node,
+								"reg");
+	if (exynos->usb == NULL) {
+		debug("Can't get the usbphy register address\n");
+		return -ENXIO;
+	}
+
+	return 0;
+}
+
 /* Setup the EHCI host controller. */
 static void setup_usb_phy(struct exynos_usb_phy *usb)
 {
@@ -86,12 +144,20 @@ static void reset_usb_phy(struct exynos_usb_phy *usb)
  */
 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
-	struct exynos_usb_phy *usb;
+	struct exynos_ehci *exynos = NULL;
+
+	exynos = (struct exynos_ehci *)
+			kzalloc(sizeof(struct exynos_ehci), GFP_KERNEL);
+	if (!exynos) {
+		debug("failed to allocate exynos ehci context\n");
+		return -ENOMEM;
+	}
+
+	exynos_usb_parse_dt(gd->fdt_blob, exynos);
 
-	usb = (struct exynos_usb_phy *)samsung_get_base_usb_phy();
-	setup_usb_phy(usb);
+	setup_usb_phy(exynos->usb);
 
-	*hccr = (struct ehci_hccr *)samsung_get_base_usb_ehci();
+	*hccr = (struct ehci_hccr *)(exynos->hcd);
 	*hcor = (struct ehci_hcor *)((uint32_t) *hccr
 				+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
 
@@ -99,6 +165,8 @@ int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 		(uint32_t)*hccr, (uint32_t)*hcor,
 		(uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
 
+	kfree(exynos);
+
 	return 0;
 }
 
@@ -108,10 +176,20 @@ int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
  */
 int ehci_hcd_stop(int index)
 {
-	struct exynos_usb_phy *usb;
+	struct exynos_ehci *exynos = NULL;
+
+	exynos = (struct exynos_ehci *)
+			kzalloc(sizeof(struct exynos_ehci), GFP_KERNEL);
+	if (!exynos) {
+		debug("failed to allocate exynos ehci context\n");
+		return -ENOMEM;
+	}
+
+	exynos_usb_parse_dt(gd->fdt_blob, exynos);
+
+	reset_usb_phy(exynos->usb);
 
-	usb = (struct exynos_usb_phy *)samsung_get_base_usb_phy();
-	reset_usb_phy(usb);
+	kfree(exynos);
 
 	return 0;
 }
diff --git a/drivers/video/exynos_dp.c b/drivers/video/exynos_dp.c
index 53e410120..d72fa565a 100644
--- a/drivers/video/exynos_dp.c
+++ b/drivers/video/exynos_dp.c
@@ -857,7 +857,6 @@ unsigned int exynos_init_dp(void)
 {
 	unsigned int ret;
 	struct edp_device_info *edp_info;
-	struct edp_disp_info disp_info;
 
 	edp_info = kzalloc(sizeof(struct edp_device_info), GFP_KERNEL);
 	if (!edp_info) {
@@ -870,7 +869,6 @@ unsigned int exynos_init_dp(void)
 		debug("failed to get edp_info data.\n");
 		return -EFAULT;
 	}
-	disp_info = edp_info->disp_info;
 
 	exynos_dp_disp_info(&edp_info->disp_info);
 
diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c
index d9a3f9ab1..ee0ed06d6 100644
--- a/drivers/video/exynos_fb.c
+++ b/drivers/video/exynos_fb.c
@@ -63,8 +63,12 @@ static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
 static void exynos_lcd_init(vidinfo_t *vid)
 {
 	exynos_fimd_lcd_init(vid);
+
+	/* Enable flushing after LCD writes if requested */
+	lcd_set_flush_dcache(1);
 }
 
+#ifdef CONFIG_CMD_BMP
 static void draw_logo(void)
 {
 	int x, y;
@@ -87,6 +91,7 @@ static void draw_logo(void)
 	addr = panel_info.logo_addr;
 	bmp_display(addr, x, y);
 }
+#endif
 
 static void lcd_panel_on(vidinfo_t *vid)
 {
@@ -145,7 +150,9 @@ void lcd_enable(void)
 	if (panel_info.logo_on) {
 		memset(lcd_base, 0, panel_width * panel_height *
 				(NBITS(panel_info.vl_bpix) >> 3));
+#ifdef CONFIG_CMD_BMP
 		draw_logo();
+#endif
 	}
 
 	lcd_panel_on(&panel_info);
diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c
index 06eae2ed7..2efe6a61c 100644
--- a/drivers/video/exynos_fimd.c
+++ b/drivers/video/exynos_fimd.c
@@ -88,14 +88,18 @@ static void exynos_fimd_set_par(unsigned int win_id)
 	/* DATAPATH is DMA */
 	cfg |= EXYNOS_WINCON_DATAPATH_DMA;
 
-	/* bpp is 32 */
-	cfg |= EXYNOS_WINCON_WSWP_ENABLE;
+	if (pvid->logo_on) /* To get proprietary LOGO */
+		cfg |= EXYNOS_WINCON_WSWP_ENABLE;
+	else /* To get output console on LCD */
+		cfg |= EXYNOS_WINCON_HAWSWP_ENABLE;
 
 	/* dma burst is 16 */
 	cfg |= EXYNOS_WINCON_BURSTLEN_16WORD;
 
-	/* pixel format is unpacked RGB888 */
-	cfg |= EXYNOS_WINCON_BPPMODE_24BPP_888;
+	if (pvid->logo_on) /* To get proprietary LOGO */
+		cfg |= EXYNOS_WINCON_BPPMODE_24BPP_888;
+	else /* To get output console on LCD */
+		cfg |= EXYNOS_WINCON_BPPMODE_16BPP_565;
 
 	writel(cfg, (unsigned int)&fimd_ctrl->wincon0 +
 			EXYNOS_WINCON(win_id));
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
new file mode 100644
index 000000000..cabd2f252
--- /dev/null
+++ b/include/configs/exynos5250-dt.h
@@ -0,0 +1,321 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * Configuration settings for the SAMSUNG EXYNOS5250 board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* High Level Configuration Options */
+#define CONFIG_SAMSUNG			/* in a SAMSUNG core */
+#define CONFIG_S5P			/* S5P Family */
+#define CONFIG_EXYNOS5			/* which is in a Exynos5 Family */
+#define CONFIG_SMDK5250			/* which is in a SMDK5250 */
+
+#include <asm/arch/cpu.h>		/* get chip and board defs */
+
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+/* Enable fdt support for Exynos5250 */
+#define CONFIG_ARCH_DEVICE_TREE		exynos5250
+#define CONFIG_OF_CONTROL
+#define CONFIG_OF_SEPARATE
+
+/* Keep L2 Cache Disabled */
+#define CONFIG_SYS_DCACHE_OFF
+
+#define CONFIG_SYS_SDRAM_BASE		0x40000000
+#define CONFIG_SYS_TEXT_BASE		0x43E00000
+
+/* input clock of PLL: SMDK5250 has 24MHz input clock */
+#define CONFIG_SYS_CLK_FREQ		24000000
+
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_INITRD_TAG
+#define CONFIG_CMDLINE_EDITING
+
+/* MACH_TYPE_SMDK5250 macro will be removed once added to mach-types */
+#define MACH_TYPE_SMDK5250		3774
+#define CONFIG_MACH_TYPE		MACH_TYPE_SMDK5250
+
+/* Power Down Modes */
+#define S5P_CHECK_SLEEP			0x00000BAD
+#define S5P_CHECK_DIDLE			0xBAD00000
+#define S5P_CHECK_LPA			0xABAD0000
+
+/* Offset for inform registers */
+#define INFORM0_OFFSET			0x800
+#define INFORM1_OFFSET			0x804
+
+/* Size of malloc() pool */
+#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
+
+/* Console configuration */
+#define CONFIG_CONSOLE_MUX
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define EXYNOS_DEVICE_SETTINGS \
+		"stdin=serial\0" \
+		"stdout=serial,lcd\0" \
+		"stderr=serial,lcd\0"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	EXYNOS_DEVICE_SETTINGS
+
+#define TZPC_BASE_OFFSET		0x10000
+
+/* SD/MMC configuration */
+#define CONFIG_GENERIC_MMC
+#define CONFIG_MMC
+#define CONFIG_SDHCI
+#define CONFIG_S5P_SDHCI
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+/* PWM */
+#define CONFIG_PWM
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/* Command definition*/
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_NET
+
+#define CONFIG_BOOTDELAY		3
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+
+/* USB */
+#define CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_EXYNOS
+#define CONFIG_USB_STORAGE
+
+/* MMC SPL */
+#define CONFIG_SPL
+#define COPY_BL2_FNPTR_ADDR	0x02020030
+
+/* specific .lds file */
+#define CONFIG_SPL_LDSCRIPT	"board/samsung/smdk5250/smdk5250-uboot-spl.lds"
+#define CONFIG_SPL_TEXT_BASE	0x02023400
+#define CONFIG_SPL_MAX_SIZE	(14 * 1024)
+
+#define CONFIG_BOOTCOMMAND	"mmc read 40007000 451 2000; bootm 40007000"
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_LONGHELP		/* undef to save memory */
+#define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser	*/
+#define CONFIG_SYS_PROMPT		"SMDK5250 # "
+#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
+#define CONFIG_SYS_PBSIZE		384	/* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS		16	/* max number of command args */
+#define CONFIG_DEFAULT_CONSOLE		"console=ttySAC1,115200n8\0"
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+/* memtest works on */
+#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 0x5E00000)
+#define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x3E00000)
+
+#define CONFIG_SYS_HZ			1000
+
+#define CONFIG_RD_LVL
+
+#define CONFIG_NR_DRAM_BANKS	8
+#define SDRAM_BANK_SIZE		(256UL << 20UL)	/* 256 MB */
+#define PHYS_SDRAM_1		CONFIG_SYS_SDRAM_BASE
+#define PHYS_SDRAM_1_SIZE	SDRAM_BANK_SIZE
+#define PHYS_SDRAM_2		(CONFIG_SYS_SDRAM_BASE + SDRAM_BANK_SIZE)
+#define PHYS_SDRAM_2_SIZE	SDRAM_BANK_SIZE
+#define PHYS_SDRAM_3		(CONFIG_SYS_SDRAM_BASE + (2 * SDRAM_BANK_SIZE))
+#define PHYS_SDRAM_3_SIZE	SDRAM_BANK_SIZE
+#define PHYS_SDRAM_4		(CONFIG_SYS_SDRAM_BASE + (3 * SDRAM_BANK_SIZE))
+#define PHYS_SDRAM_4_SIZE	SDRAM_BANK_SIZE
+#define PHYS_SDRAM_5		(CONFIG_SYS_SDRAM_BASE + (4 * SDRAM_BANK_SIZE))
+#define PHYS_SDRAM_5_SIZE	SDRAM_BANK_SIZE
+#define PHYS_SDRAM_6		(CONFIG_SYS_SDRAM_BASE + (5 * SDRAM_BANK_SIZE))
+#define PHYS_SDRAM_6_SIZE	SDRAM_BANK_SIZE
+#define PHYS_SDRAM_7		(CONFIG_SYS_SDRAM_BASE + (6 * SDRAM_BANK_SIZE))
+#define PHYS_SDRAM_7_SIZE	SDRAM_BANK_SIZE
+#define PHYS_SDRAM_8		(CONFIG_SYS_SDRAM_BASE + (7 * SDRAM_BANK_SIZE))
+#define PHYS_SDRAM_8_SIZE	SDRAM_BANK_SIZE
+
+#define CONFIG_SYS_MONITOR_BASE	0x00000000
+
+/* FLASH and environment organization */
+#define CONFIG_SYS_NO_FLASH
+#undef CONFIG_CMD_IMLS
+#define CONFIG_IDENT_STRING		" for SMDK5250"
+
+#define CONFIG_SYS_MMC_ENV_DEV		0
+
+#define CONFIG_SECURE_BL1_ONLY
+
+/* Secure FW size configuration */
+#ifdef	CONFIG_SECURE_BL1_ONLY
+#define	CONFIG_SEC_FW_SIZE		(8 << 10)	/* 8KB */
+#else
+#define	CONFIG_SEC_FW_SIZE		0
+#endif
+
+/* Configuration of BL1, BL2, ENV Blocks on mmc */
+#define CONFIG_RES_BLOCK_SIZE	(512)
+#define CONFIG_BL1_SIZE		(16 << 10) /*16 K reserved for BL1*/
+#define	CONFIG_BL2_SIZE		(512UL << 10UL)	/* 512 KB */
+#define CONFIG_ENV_SIZE		(16 << 10)	/* 16 KB */
+
+#define CONFIG_BL1_OFFSET	(CONFIG_RES_BLOCK_SIZE + CONFIG_SEC_FW_SIZE)
+#define CONFIG_BL2_OFFSET	(CONFIG_BL1_OFFSET + CONFIG_BL1_SIZE)
+#define CONFIG_ENV_OFFSET	(CONFIG_BL2_OFFSET + CONFIG_BL2_SIZE)
+
+/* U-boot copy size from boot Media to DRAM.*/
+#define BL2_START_OFFSET	(CONFIG_BL2_OFFSET/512)
+#define BL2_SIZE_BLOC_COUNT	(CONFIG_BL2_SIZE/512)
+
+#define OM_STAT				(0x1f << 1)
+#define EXYNOS_COPY_SPI_FNPTR_ADDR	0x02020058
+#define SPI_FLASH_UBOOT_POS		(CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE)
+
+#define CONFIG_DOS_PARTITION
+
+#define CONFIG_IRAM_STACK	0x02050000
+
+#define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_LOAD_ADDR - 0x1000000)
+
+/* I2C */
+#define CONFIG_SYS_I2C_INIT_BOARD
+#define CONFIG_HARD_I2C
+#define CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C_SPEED	100000		/* 100 Kbps */
+#define CONFIG_DRIVER_S3C24X0_I2C
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_MAX_I2C_NUM	8
+#define CONFIG_SYS_I2C_SLAVE    0x0
+#define CONFIG_I2C_EDID
+
+/* PMIC */
+#define CONFIG_PMIC
+#define CONFIG_PMIC_I2C
+#define CONFIG_PMIC_MAX77686
+
+/* SPI */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_SPI_FLASH
+
+#ifdef CONFIG_SPI_FLASH
+#define CONFIG_EXYNOS_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
+#define CONFIG_SF_DEFAULT_SPEED		50000000
+#define EXYNOS5_SPI_NUM_CONTROLLERS	5
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_SPI_MODE	SPI_MODE_0
+#define CONFIG_ENV_SECT_SIZE	CONFIG_ENV_SIZE
+#define CONFIG_ENV_SPI_BUS	1
+#define CONFIG_ENV_SPI_MAX_HZ	50000000
+#endif
+
+/* PMIC */
+#define CONFIG_POWER
+#define CONFIG_POWER_I2C
+#define CONFIG_POWER_MAX77686
+
+/* SPI */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_SPI_FLASH
+
+#ifdef CONFIG_SPI_FLASH
+#define CONFIG_EXYNOS_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
+#define CONFIG_SF_DEFAULT_SPEED		50000000
+#define EXYNOS5_SPI_NUM_CONTROLLERS	5
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_SPI_MODE	SPI_MODE_0
+#define CONFIG_ENV_SECT_SIZE	CONFIG_ENV_SIZE
+#define CONFIG_ENV_SPI_BUS	1
+#define CONFIG_ENV_SPI_MAX_HZ	50000000
+#endif
+
+/* Ethernet Controllor Driver */
+#ifdef CONFIG_CMD_NET
+#define CONFIG_SMC911X
+#define CONFIG_SMC911X_BASE		0x5000000
+#define CONFIG_SMC911X_16_BIT
+#define CONFIG_ENV_SROM_BANK		1
+#endif /*CONFIG_CMD_NET*/
+
+/* Enable PXE Support */
+#ifdef CONFIG_CMD_NET
+#define CONFIG_CMD_PXE
+#define CONFIG_MENU
+#endif
+
+/* Sound */
+#define CONFIG_CMD_SOUND
+#ifdef CONFIG_CMD_SOUND
+#define CONFIG_SOUND
+#define CONFIG_I2S
+#define CONFIG_SOUND_WM8994
+#endif
+
+/* Enable devicetree support */
+#define CONFIG_OF_LIBFDT
+
+/* SHA hashing */
+#define CONFIG_CMD_HASH
+#define CONFIG_HASH_VERIFY
+#define CONFIG_SHA1
+#define CONFIG_SHA256
+
+/* Display */
+#define CONFIG_LCD
+#ifdef CONFIG_LCD
+#define CONFIG_EXYNOS_FB
+#define CONFIG_EXYNOS_DP
+#define LCD_XRES			2560
+#define LCD_YRES			1600
+#define LCD_BPP			LCD_COLOR16
+#endif
+
+#endif	/* __CONFIG_H */
diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h
index 75c25c003..81f83a802 100644
--- a/include/configs/smdk5250.h
+++ b/include/configs/smdk5250.h
@@ -1,7 +1,7 @@
 /*
- * Copyright (C) 2011 Samsung Electronics
+ * Copyright (C) 2012 Samsung Electronics
  *
- * Configuration settings for the SAMSUNG SMDK5250 (EXYNOS5250) board.
+ * Configuration settings for the SAMSUNG SMDK5250 board.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -22,274 +22,12 @@
  * MA 02111-1307 USA
  */
 
-#ifndef __CONFIG_H
-#define __CONFIG_H
+#ifndef __CONFIG_SMDK_H
+#define __CONFIG_SMDK_H
 
-/* High Level Configuration Options */
-#define CONFIG_SAMSUNG			/* in a SAMSUNG core */
-#define CONFIG_S5P			/* S5P Family */
-#define CONFIG_EXYNOS5			/* which is in a Exynos5 Family */
-#define CONFIG_SMDK5250			/* which is in a SMDK5250 */
+#include <configs/exynos5250-dt.h>
 
-#include <asm/arch/cpu.h>		/* get chip and board defs */
+#undef CONFIG_DEFAULT_DEVICE_TREE
+#define CONFIG_DEFAULT_DEVICE_TREE	exynos5250-smdk5250
 
-#define CONFIG_ARCH_CPU_INIT
-#define CONFIG_DISPLAY_CPUINFO
-#define CONFIG_DISPLAY_BOARDINFO
-
-/* Keep L2 Cache Disabled */
-#define CONFIG_SYS_DCACHE_OFF
-
-#define CONFIG_SYS_SDRAM_BASE		0x40000000
-#define CONFIG_SYS_TEXT_BASE		0x43E00000
-
-/* input clock of PLL: SMDK5250 has 24MHz input clock */
-#define CONFIG_SYS_CLK_FREQ		24000000
-
-#define CONFIG_SETUP_MEMORY_TAGS
-#define CONFIG_CMDLINE_TAG
-#define CONFIG_INITRD_TAG
-#define CONFIG_CMDLINE_EDITING
-
-/* MACH_TYPE_SMDK5250 macro will be removed once added to mach-types */
-#define MACH_TYPE_SMDK5250		3774
-#define CONFIG_MACH_TYPE		MACH_TYPE_SMDK5250
-
-/* Power Down Modes */
-#define S5P_CHECK_SLEEP			0x00000BAD
-#define S5P_CHECK_DIDLE			0xBAD00000
-#define S5P_CHECK_LPA			0xABAD0000
-
-/* Offset for inform registers */
-#define INFORM0_OFFSET			0x800
-#define INFORM1_OFFSET			0x804
-
-/* Size of malloc() pool */
-#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 TZPC_BASE_OFFSET		0x10000
-
-/* SD/MMC configuration */
-#define CONFIG_GENERIC_MMC
-#define CONFIG_MMC
-#define CONFIG_SDHCI
-#define CONFIG_S5P_SDHCI
-
-#define CONFIG_BOARD_EARLY_INIT_F
-
-/* PWM */
-#define CONFIG_PWM
-
-/* allow to overwrite serial and ethaddr */
-#define CONFIG_ENV_OVERWRITE
-
-/* Command definition*/
-#include <config_cmd_default.h>
-
-#define CONFIG_CMD_PING
-#define CONFIG_CMD_ELF
-#define CONFIG_CMD_MMC
-#define CONFIG_CMD_EXT2
-#define CONFIG_CMD_FAT
-#define CONFIG_CMD_NET
-
-#define CONFIG_BOOTDELAY		3
-#define CONFIG_ZERO_BOOTDELAY_CHECK
-
-/* USB */
-#define CONFIG_CMD_USB
-#define CONFIG_USB_EHCI
-#define CONFIG_USB_EHCI_EXYNOS
-#define CONFIG_USB_STORAGE
-
-/* MMC SPL */
-#define CONFIG_SPL
-#define COPY_BL2_FNPTR_ADDR	0x02020030
-
-/* specific .lds file */
-#define CONFIG_SPL_LDSCRIPT	"board/samsung/smdk5250/smdk5250-uboot-spl.lds"
-#define CONFIG_SPL_TEXT_BASE	0x02023400
-#define CONFIG_SPL_MAX_SIZE	(14 * 1024)
-
-#define CONFIG_BOOTCOMMAND	"mmc read 40007000 451 2000; bootm 40007000"
-
-/* Miscellaneous configurable options */
-#define CONFIG_SYS_LONGHELP		/* undef to save memory */
-#define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser	*/
-#define CONFIG_SYS_PROMPT		"SMDK5250 # "
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
-#define CONFIG_SYS_PBSIZE		384	/* Print Buffer Size */
-#define CONFIG_SYS_MAXARGS		16	/* max number of command args */
-#define CONFIG_DEFAULT_CONSOLE		"console=ttySAC1,115200n8\0"
-/* Boot Argument Buffer Size */
-#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
-/* memtest works on */
-#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
-#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 0x5E00000)
-#define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x3E00000)
-
-#define CONFIG_SYS_HZ			1000
-
-#define CONFIG_RD_LVL
-
-#define CONFIG_NR_DRAM_BANKS	8
-#define SDRAM_BANK_SIZE		(256UL << 20UL)	/* 256 MB */
-#define PHYS_SDRAM_1		CONFIG_SYS_SDRAM_BASE
-#define PHYS_SDRAM_1_SIZE	SDRAM_BANK_SIZE
-#define PHYS_SDRAM_2		(CONFIG_SYS_SDRAM_BASE + SDRAM_BANK_SIZE)
-#define PHYS_SDRAM_2_SIZE	SDRAM_BANK_SIZE
-#define PHYS_SDRAM_3		(CONFIG_SYS_SDRAM_BASE + (2 * SDRAM_BANK_SIZE))
-#define PHYS_SDRAM_3_SIZE	SDRAM_BANK_SIZE
-#define PHYS_SDRAM_4		(CONFIG_SYS_SDRAM_BASE + (3 * SDRAM_BANK_SIZE))
-#define PHYS_SDRAM_4_SIZE	SDRAM_BANK_SIZE
-#define PHYS_SDRAM_5		(CONFIG_SYS_SDRAM_BASE + (4 * SDRAM_BANK_SIZE))
-#define PHYS_SDRAM_5_SIZE	SDRAM_BANK_SIZE
-#define PHYS_SDRAM_6		(CONFIG_SYS_SDRAM_BASE + (5 * SDRAM_BANK_SIZE))
-#define PHYS_SDRAM_6_SIZE	SDRAM_BANK_SIZE
-#define PHYS_SDRAM_7		(CONFIG_SYS_SDRAM_BASE + (6 * SDRAM_BANK_SIZE))
-#define PHYS_SDRAM_7_SIZE	SDRAM_BANK_SIZE
-#define PHYS_SDRAM_8		(CONFIG_SYS_SDRAM_BASE + (7 * SDRAM_BANK_SIZE))
-#define PHYS_SDRAM_8_SIZE	SDRAM_BANK_SIZE
-
-#define CONFIG_SYS_MONITOR_BASE	0x00000000
-
-/* FLASH and environment organization */
-#define CONFIG_SYS_NO_FLASH
-#undef CONFIG_CMD_IMLS
-#define CONFIG_IDENT_STRING		" for SMDK5250"
-
-#define CONFIG_SYS_MMC_ENV_DEV		0
-
-#define CONFIG_SECURE_BL1_ONLY
-
-/* Secure FW size configuration */
-#ifdef	CONFIG_SECURE_BL1_ONLY
-#define	CONFIG_SEC_FW_SIZE		(8 << 10)	/* 8KB */
-#else
-#define	CONFIG_SEC_FW_SIZE		0
-#endif
-
-/* Configuration of BL1, BL2, ENV Blocks on mmc */
-#define CONFIG_RES_BLOCK_SIZE	(512)
-#define CONFIG_BL1_SIZE		(16 << 10) /*16 K reserved for BL1*/
-#define	CONFIG_BL2_SIZE		(512UL << 10UL)	/* 512 KB */
-#define CONFIG_ENV_SIZE		(16 << 10)	/* 16 KB */
-
-#define CONFIG_BL1_OFFSET	(CONFIG_RES_BLOCK_SIZE + CONFIG_SEC_FW_SIZE)
-#define CONFIG_BL2_OFFSET	(CONFIG_BL1_OFFSET + CONFIG_BL1_SIZE)
-#define CONFIG_ENV_OFFSET	(CONFIG_BL2_OFFSET + CONFIG_BL2_SIZE)
-
-/* U-boot copy size from boot Media to DRAM.*/
-#define BL2_START_OFFSET	(CONFIG_BL2_OFFSET/512)
-#define BL2_SIZE_BLOC_COUNT	(CONFIG_BL2_SIZE/512)
-
-#define OM_STAT				(0x1f << 1)
-#define EXYNOS_COPY_SPI_FNPTR_ADDR	0x02020058
-#define SPI_FLASH_UBOOT_POS		(CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE)
-
-#define CONFIG_DOS_PARTITION
-
-#define CONFIG_IRAM_STACK	0x02050000
-
-#define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_LOAD_ADDR - 0x1000000)
-
-/* I2C */
-#define CONFIG_SYS_I2C_INIT_BOARD
-#define CONFIG_HARD_I2C
-#define CONFIG_CMD_I2C
-#define CONFIG_SYS_I2C_SPEED	100000		/* 100 Kbps */
-#define CONFIG_DRIVER_S3C24X0_I2C
-#define CONFIG_I2C_MULTI_BUS
-#define CONFIG_MAX_I2C_NUM	8
-#define CONFIG_SYS_I2C_SLAVE    0x0
-#define CONFIG_I2C_EDID
-
-/* PMIC */
-#define CONFIG_PMIC
-#define CONFIG_PMIC_I2C
-#define CONFIG_PMIC_MAX77686
-
-/* SPI */
-#define CONFIG_ENV_IS_IN_SPI_FLASH
-#define CONFIG_SPI_FLASH
-
-#ifdef CONFIG_SPI_FLASH
-#define CONFIG_EXYNOS_SPI
-#define CONFIG_CMD_SF
-#define CONFIG_CMD_SPI
-#define CONFIG_SPI_FLASH_WINBOND
-#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
-#define CONFIG_SF_DEFAULT_SPEED		50000000
-#define EXYNOS5_SPI_NUM_CONTROLLERS	5
-#endif
-
-#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
-#define CONFIG_ENV_SPI_MODE	SPI_MODE_0
-#define CONFIG_ENV_SECT_SIZE	CONFIG_ENV_SIZE
-#define CONFIG_ENV_SPI_BUS	1
-#define CONFIG_ENV_SPI_MAX_HZ	50000000
-#endif
-
-/* PMIC */
-#define CONFIG_POWER
-#define CONFIG_POWER_I2C
-#define CONFIG_POWER_MAX77686
-
-/* SPI */
-#define CONFIG_ENV_IS_IN_SPI_FLASH
-#define CONFIG_SPI_FLASH
-
-#ifdef CONFIG_SPI_FLASH
-#define CONFIG_EXYNOS_SPI
-#define CONFIG_CMD_SF
-#define CONFIG_CMD_SPI
-#define CONFIG_SPI_FLASH_WINBOND
-#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
-#define CONFIG_SF_DEFAULT_SPEED		50000000
-#define EXYNOS5_SPI_NUM_CONTROLLERS	5
-#endif
-
-#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
-#define CONFIG_ENV_SPI_MODE	SPI_MODE_0
-#define CONFIG_ENV_SECT_SIZE	CONFIG_ENV_SIZE
-#define CONFIG_ENV_SPI_BUS	1
-#define CONFIG_ENV_SPI_MAX_HZ	50000000
-#endif
-
-/* Ethernet Controllor Driver */
-#ifdef CONFIG_CMD_NET
-#define CONFIG_SMC911X
-#define CONFIG_SMC911X_BASE		0x5000000
-#define CONFIG_SMC911X_16_BIT
-#define CONFIG_ENV_SROM_BANK		1
-#endif /*CONFIG_CMD_NET*/
-
-/* Enable PXE Support */
-#ifdef CONFIG_CMD_NET
-#define CONFIG_CMD_PXE
-#define CONFIG_MENU
-#endif
-
-/* Sound */
-#define CONFIG_CMD_SOUND
-#ifdef CONFIG_CMD_SOUND
-#define CONFIG_SOUND
-#define CONFIG_I2S
-#define CONFIG_SOUND_WM8994
-#endif
-
-/* Enable devicetree support */
-#define CONFIG_OF_LIBFDT
-
-/* SHA hashing */
-#define CONFIG_CMD_HASH
-#define CONFIG_HASH_VERIFY
-#define CONFIG_SHA1
-#define CONFIG_SHA256
-
-#endif	/* __CONFIG_H */
+#endif	/* __CONFIG_SMDK_H */
diff --git a/include/configs/trats.h b/include/configs/trats.h
index 6efee5c47..63745ac8f 100644
--- a/include/configs/trats.h
+++ b/include/configs/trats.h
@@ -99,6 +99,7 @@
 #define CONFIG_CMD_MMC
 #define CONFIG_CMD_DFU
 #define CONFIG_CMD_GPT
+#define CONFIG_CMD_SETEXPR
 
 /* FAT */
 #define CONFIG_CMD_FAT
@@ -144,9 +145,8 @@
 	"name="PARTS_UMS",size=-,uuid=${uuid_gpt_"PARTS_UMS"}\0" \
 
 #define CONFIG_DFU_ALT \
-	"dfu_alt_info=" \
 	"u-boot mmc 80 400;" \
-	"uImage fat 0 2\0" \
+	"uImage ext4 0 2\0" \
 
 #define CONFIG_ENV_OVERWRITE
 #define CONFIG_SYS_CONSOLE_INFO_QUIET
@@ -165,20 +165,20 @@
 		"mmc read 0 0x42100000 0x80 0x200; run updatebackup\0" \
 	"lpj=lpj=3981312\0" \
 	"nfsboot=" \
-		"set bootargs root=/dev/nfs rw " \
+		"setenv bootargs root=/dev/nfs rw " \
 		"nfsroot=${nfsroot},nolock,tcp " \
 		"ip=${ipaddr}:${serverip}:${gatewayip}:" \
 		"${netmask}:generic:usb0:off " CONFIG_ENV_COMMON_BOOT \
 		"; run bootk\0" \
 	"ramfsboot=" \
-		"set bootargs root=/dev/ram0 rw rootfstype=ext2 " \
+		"setenv bootargs root=/dev/ram0 rw rootfstype=ext2 " \
 		"${console} ${meminfo} " \
 		"initrd=0x43000000,8M ramdisk=8192\0" \
 	"mmcboot=" \
-		"set bootargs root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \
+		"setenv bootargs root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \
 		"${lpj} rootwait ${console} ${meminfo} ${opts} ${lcdinfo}; " \
 		"run loaduimage; bootm 0x40007FC0\0" \
-	"bootchart=set opts init=/sbin/bootchartd; run bootcmd\0" \
+	"bootchart=setenv opts init=/sbin/bootchartd; run bootcmd\0" \
 	"boottrace=setenv opts initcall_debug; run bootcmd\0" \
 	"mmcoops=mmc read 0 0x40000000 0x40 8; md 0x40000000 0x400\0" \
 	"verify=n\0" \
@@ -187,13 +187,31 @@
 	"meminfo=crashkernel=32M@0x50000000\0" \
 	"nfsroot=/nfsroot/arm\0" \
 	"bootblock=" CONFIG_BOOTBLOCK "\0" \
-	"loaduimage=fatload mmc ${mmcdev}:${mmcbootpart} 0x40007FC0 uImage\0" \
+	"loaduimage=ext4load mmc ${mmcdev}:${mmcbootpart} 0x40007FC0 uImage\0" \
 	"mmcdev=0\0" \
 	"mmcbootpart=2\0" \
-	"mmcrootpart=3\0" \
+	"mmcrootpart=5\0" \
 	"opts=always_resume=1\0" \
 	"partitions=" PARTS_DEFAULT \
-	CONFIG_DFU_ALT \
+	"dfu_alt_info=" CONFIG_DFU_ALT \
+	"spladdr=0x40000100\0" \
+	"splsize=0x200\0" \
+	"splfile=falcon.bin\0" \
+	"spl_export=" \
+		   "setexpr spl_imgsize ${splsize} + 8 ;" \
+		   "setexpr spl_imgaddr ${spladdr} - 8 ;" \
+		   "setexpr spl_addr_tmp ${spladdr} - 4 ;" \
+		   "mw.b ${spl_imgaddr} 0x00 ${spl_imgsize};run loaduimage;" \
+		   "setenv bootargs root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \
+		   "${lpj} rootwait ${console} ${meminfo} ${opts} ${lcdinfo};" \
+		   "spl export atags 0x40007FC0;" \
+		   "crc32 ${spladdr} ${splsize} ${spl_imgaddr};" \
+		   "mw.l ${spl_addr_tmp} ${splsize};" \
+		   "ext4write mmc ${mmcdev}:${mmcbootpart}" \
+		   " /${splfile} ${spl_imgaddr} ${spl_imgsize};" \
+		   "setenv spl_imgsize;" \
+		   "setenv spl_imgaddr;" \
+		   "setenv spl_addr_tmp;\0"
 
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
@@ -234,6 +252,14 @@
 #define CONFIG_ENV_OFFSET		((32 - 4) << 10) /* 32KiB - 4KiB */
 
 #define CONFIG_DOS_PARTITION
+#define CONFIG_EFI_PARTITION
+
+/* EXT4 */
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_EXT4_WRITE
+/* Falcon mode definitions */
+#define CONFIG_CMD_SPL
+#define CONFIG_SYS_SPL_ARGS_ADDR        PHYS_SDRAM_1 + 0x100
 
 /* GPT */
 #define CONFIG_EFI_PARTITION
@@ -242,7 +268,6 @@
 #define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE)
 #define CONFIG_SYS_CACHELINE_SIZE       32
 
-
 #define CONFIG_SOFT_I2C
 #define CONFIG_SOFT_I2C_READ_REPEATED_START
 #define CONFIG_SYS_I2C_INIT_BOARD
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 70d0e979d..f77d19563 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -70,6 +70,15 @@ enum fdt_compat_id {
 	COMPAT_NVIDIA_TEGRA20_NAND,	/* Tegra2 NAND controller */
 	COMPAT_NVIDIA_TEGRA20_PWM,	/* Tegra 2 PWM controller */
 	COMPAT_NVIDIA_TEGRA20_DC,	/* Tegra 2 Display controller */
+	COMPAT_SMSC_LAN9215,		/* SMSC 10/100 Ethernet LAN9215 */
+	COMPAT_SAMSUNG_EXYNOS5_SROMC,	/* Exynos5 SROMC */
+	COMPAT_SAMSUNG_S3C2440_I2C,	/* Exynos I2C Controller */
+	COMPAT_SAMSUNG_EXYNOS5_SOUND,	/* Exynos Sound */
+	COMPAT_WOLFSON_WM8994_CODEC,	/* Wolfson WM8994 Sound Codec */
+	COMPAT_SAMSUNG_EXYNOS_SPI,	/* Exynos SPI */
+	COMPAT_SAMSUNG_EXYNOS_EHCI,	/* Exynos EHCI controller */
+	COMPAT_SAMSUNG_EXYNOS_USB_PHY,	/* Exynos phy controller for usb2.0 */
+	COMPAT_MAXIM_MAX77686_PMIC,	/* MAX77686 PMIC */
 
 	COMPAT_COUNT,
 };
diff --git a/include/i2c.h b/include/i2c.h
index 16f099d2e..c60d07583 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -262,4 +262,30 @@ extern int get_multi_scl_pin(void);
 extern int get_multi_sda_pin(void);
 extern int multi_i2c_init(void);
 #endif
+
+/**
+ * Get FDT values for i2c bus.
+ *
+ * @param blob  Device tree blbo
+ * @return the number of I2C bus
+ */
+void board_i2c_init(const void *blob);
+
+/**
+ * Find the I2C bus number by given a FDT I2C node.
+ *
+ * @param blob  Device tree blbo
+ * @param node  FDT I2C node to find
+ * @return the number of I2C bus (zero based), or -1 on error
+ */
+int i2c_get_bus_num_fdt(int node);
+
+/**
+ * Reset the I2C bus represented by the given a FDT I2C node.
+ *
+ * @param blob  Device tree blbo
+ * @param node  FDT I2C node to find
+ * @return 0 if port was reset, -1 if not found
+ */
+int i2c_reset_port_fdt(const void *blob, int node);
 #endif	/* _I2C_H_ */
diff --git a/include/sound.h b/include/sound.h
index ea0b1158f..d73839d9f 100644
--- a/include/sound.h
+++ b/include/sound.h
@@ -46,10 +46,10 @@ struct sound_codec_info {
 
 /*
  * Initialises audio sub system
- *
+ * @param blob	Pointer of device tree node or NULL if none.
  * @return	int value 0 for success, -1 for error
  */
-int sound_init(void);
+int sound_init(const void *blob);
 
 /*
  * plays the pcm data buffer in pcm_data.h through i2s1 to make the
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 6dba4389f..16921e14c 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -45,6 +45,15 @@ static const char * const compat_names[COMPAT_COUNT] = {
 	COMPAT(NVIDIA_TEGRA20_NAND, "nvidia,tegra20-nand"),
 	COMPAT(NVIDIA_TEGRA20_PWM, "nvidia,tegra20-pwm"),
 	COMPAT(NVIDIA_TEGRA20_DC, "nvidia,tegra20-dc"),
+	COMPAT(SMSC_LAN9215, "smsc,lan9215"),
+	COMPAT(SAMSUNG_EXYNOS5_SROMC, "samsung,exynos-sromc"),
+	COMPAT(SAMSUNG_S3C2440_I2C, "samsung,s3c2440-i2c"),
+	COMPAT(SAMSUNG_EXYNOS5_SOUND, "samsung,exynos-sound"),
+	COMPAT(WOLFSON_WM8994_CODEC, "wolfson,wm8994-codec"),
+	COMPAT(SAMSUNG_EXYNOS_SPI, "samsung,exynos-spi"),
+	COMPAT(SAMSUNG_EXYNOS_EHCI, "samsung,exynos-ehci"),
+	COMPAT(SAMSUNG_EXYNOS_USB_PHY, "samsung,exynos-usb-phy"),
+	COMPAT(MAXIM_MAX77686_PMIC, "maxim,max77686_pmic"),
 };
 
 const char *fdtdec_get_compatible(enum fdt_compat_id id)