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

37 files changed, 5196 insertions, 1319 deletions

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 84a5047..5bde9d1 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -96,7 +96,7 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k)
 
 	freq = CONFIG_SYS_CLK_FREQ;
 
-	if (pllreg == EPLL) {
+	if (pllreg == EPLL || pllreg == RPLL) {
 		k = k & 0xffff;
 		/* FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV) */
 		fout = (m + k / PLL_DIV_65536) * (freq / (p * (1 << s)));
@@ -117,7 +117,7 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k)
 			div = PLL_DIV_1024;
 		else if (proid_is_exynos4412())
 			div = PLL_DIV_65535;
-		else if (proid_is_exynos5250())
+		else if (proid_is_exynos5250() || proid_is_exynos5420())
 			div = PLL_DIV_65536;
 		else
 			return 0;
@@ -362,6 +362,43 @@ unsigned long clock_get_periph_rate(int peripheral)
 		return 0;
 }
 
+/* exynos5420: return pll clock frequency */
+static unsigned long exynos5420_get_pll_clk(int pllreg)
+{
+	struct exynos5420_clock *clk =
+		(struct exynos5420_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;
+	case BPLL:
+		r = readl(&clk->bpll_con0);
+		break;
+	case RPLL:
+		r = readl(&clk->rpll_con0);
+		k = readl(&clk->rpll_con1);
+		break;
+	default:
+		printf("Unsupported PLL (%d)\n", pllreg);
+		return 0;
+	}
+
+	return exynos_get_pll_clk(pllreg, r, k);
+}
+
 /* exynos4: return ARM clock frequency */
 static unsigned long exynos4_get_arm_clk(void)
 {
@@ -485,6 +522,27 @@ static unsigned long exynos4x12_get_pwm_clk(void)
 	return pclk;
 }
 
+/* exynos5420: return pwm clock frequency */
+static unsigned long exynos5420_get_pwm_clk(void)
+{
+	struct exynos5420_clock *clk =
+		(struct exynos5420_clock *)samsung_get_base_clock();
+	unsigned long pclk, sclk;
+	unsigned int ratio;
+
+	/*
+	 * CLK_DIV_PERIC0
+	 * PWM_RATIO [31:28]
+	 */
+	ratio = readl(&clk->div_peric0);
+	ratio = (ratio >> 28) & 0xf;
+	sclk = get_pll_clk(MPLL);
+
+	pclk = sclk / (ratio + 1);
+
+	return pclk;
+}
+
 /* exynos4: return uart clock frequency */
 static unsigned long exynos4_get_uart_clk(int dev_index)
 {
@@ -624,6 +682,53 @@ static unsigned long exynos5_get_uart_clk(int dev_index)
 	return uclk;
 }
 
+/* exynos5420: return uart clock frequency */
+static unsigned long exynos5420_get_uart_clk(int dev_index)
+{
+	struct exynos5420_clock *clk =
+		(struct exynos5420_clock *)samsung_get_base_clock();
+	unsigned long uclk, sclk;
+	unsigned int sel;
+	unsigned int ratio;
+
+	/*
+	 * CLK_SRC_PERIC0
+	 * UART0_SEL [6:4]
+	 * UART1_SEL [10:8]
+	 * UART2_SEL [14:12]
+	 * UART3_SEL [18:16]
+	 * generalised calculation as follows
+	 * sel = (sel >> ((dev_index * 4) + 4)) & mask;
+	 */
+	sel = readl(&clk->src_peric0);
+	sel = (sel >> ((dev_index * 4) + 4)) & 0x7;
+
+	if (sel == 0x3)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x6)
+		sclk = get_pll_clk(EPLL);
+	else if (sel == 0x7)
+		sclk = get_pll_clk(RPLL);
+	else
+		return 0;
+
+	/*
+	 * CLK_DIV_PERIC0
+	 * UART0_RATIO [11:8]
+	 * UART1_RATIO [15:12]
+	 * UART2_RATIO [19:16]
+	 * UART3_RATIO [23:20]
+	 * generalised calculation as follows
+	 * ratio = (ratio >> ((dev_index * 4) + 8)) & mask;
+	 */
+	ratio = readl(&clk->div_peric0);
+	ratio = (ratio >> ((dev_index * 4) + 8)) & 0xf;
+
+	uclk = sclk / (ratio + 1);
+
+	return uclk;
+}
+
 static unsigned long exynos4_get_mmc_clk(int dev_index)
 {
 	struct exynos4_clock *clk =
@@ -718,6 +823,47 @@ static unsigned long exynos5_get_mmc_clk(int dev_index)
 	return uclk;
 }
 
+static unsigned long exynos5420_get_mmc_clk(int dev_index)
+{
+	struct exynos5420_clock *clk =
+		(struct exynos5420_clock *)samsung_get_base_clock();
+	unsigned long uclk, sclk;
+	unsigned int sel, ratio;
+
+	/*
+	 * CLK_SRC_FSYS
+	 * MMC0_SEL [10:8]
+	 * MMC1_SEL [14:12]
+	 * MMC2_SEL [18:16]
+	 * generalised calculation as follows
+	 * sel = (sel >> ((dev_index * 4) + 8)) & mask
+	 */
+	sel = readl(&clk->src_fsys);
+	sel = (sel >> ((dev_index * 4) + 8)) & 0x7;
+
+	if (sel == 0x3)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x6)
+		sclk = get_pll_clk(EPLL);
+	else
+		return 0;
+
+	/*
+	 * CLK_DIV_FSYS1
+	 * MMC0_RATIO [9:0]
+	 * MMC1_RATIO [19:10]
+	 * MMC2_RATIO [29:20]
+	 * generalised calculation as follows
+	 * ratio = (ratio >> (dev_index * 10)) & mask
+	 */
+	ratio = readl(&clk->div_fsys1);
+	ratio = (ratio >> (dev_index * 10)) & 0x3ff;
+
+	uclk = (sclk / (ratio + 1));
+
+	return uclk;
+}
+
 /* exynos4: set the mmc clock */
 static void exynos4_set_mmc_clk(int dev_index, unsigned int div)
 {
@@ -804,6 +950,29 @@ static void exynos5_set_mmc_clk(int dev_index, unsigned int div)
 	writel(val, addr);
 }
 
+/* exynos5: set the mmc clock */
+static void exynos5420_set_mmc_clk(int dev_index, unsigned int div)
+{
+	struct exynos5420_clock *clk =
+		(struct exynos5420_clock *)samsung_get_base_clock();
+	unsigned int addr;
+	unsigned int val, shift;
+
+	/*
+	 * CLK_DIV_FSYS1
+	 * MMC0_RATIO [9:0]
+	 * MMC1_RATIO [19:10]
+	 * MMC2_RATIO [29:20]
+	 */
+	addr = (unsigned int)&clk->div_fsys1;
+	shift = dev_index * 10;
+
+	val = readl(addr);
+	val &= ~(0x3ff << shift);
+	val |= (div & 0x3ff) << shift;
+	writel(val, addr);
+}
+
 /* get_lcd_clk: return lcd clock frequency */
 static unsigned long exynos4_get_lcd_clk(void)
 {
@@ -1324,6 +1493,71 @@ static int exynos5_set_spi_clk(enum periph_id periph_id,
 	return 0;
 }
 
+static int exynos5420_set_spi_clk(enum periph_id periph_id,
+					unsigned int rate)
+{
+	struct exynos5420_clock *clk =
+		(struct exynos5420_clock *)samsung_get_base_clock();
+	int main;
+	unsigned int fine;
+	unsigned shift, pre_shift;
+	unsigned div_mask = 0xf, pre_div_mask = 0xff;
+	u32 *reg;
+	u32 *pre_reg;
+
+	main = clock_calc_best_scalar(4, 8, 400000000, rate, &fine);
+	if (main < 0) {
+		debug("%s: Cannot set clock rate for periph %d",
+		      __func__, periph_id);
+		return -1;
+	}
+	main = main - 1;
+	fine = fine - 1;
+
+	switch (periph_id) {
+	case PERIPH_ID_SPI0:
+		reg = &clk->div_peric1;
+		shift = 20;
+		pre_reg = &clk->div_peric4;
+		pre_shift = 8;
+		break;
+	case PERIPH_ID_SPI1:
+		reg = &clk->div_peric1;
+		shift = 24;
+		pre_reg = &clk->div_peric4;
+		pre_shift = 16;
+		break;
+	case PERIPH_ID_SPI2:
+		reg = &clk->div_peric1;
+		shift = 28;
+		pre_reg = &clk->div_peric4;
+		pre_shift = 24;
+		break;
+	case PERIPH_ID_SPI3:
+		reg = &clk->div_isp1;
+		shift = 16;
+		pre_reg = &clk->div_isp1;
+		pre_shift = 0;
+		break;
+	case PERIPH_ID_SPI4:
+		reg = &clk->div_isp1;
+		shift = 20;
+		pre_reg = &clk->div_isp1;
+		pre_shift = 8;
+		break;
+	default:
+		debug("%s: Unsupported peripheral ID %d\n", __func__,
+		      periph_id);
+		return -1;
+	}
+
+	clrsetbits_le32(reg, div_mask << shift, (main & div_mask) << shift);
+	clrsetbits_le32(pre_reg, pre_div_mask << pre_shift,
+			(fine & pre_div_mask) << pre_shift);
+
+	return 0;
+}
+
 static unsigned long exynos4_get_i2c_clk(void)
 {
 	struct exynos4_clock *clk =
@@ -1341,9 +1575,11 @@ static unsigned long exynos4_get_i2c_clk(void)
 
 unsigned long get_pll_clk(int pllreg)
 {
-	if (cpu_is_exynos5())
+	if (cpu_is_exynos5()) {
+		if (proid_is_exynos5420())
+			return exynos5420_get_pll_clk(pllreg);
 		return exynos5_get_pll_clk(pllreg);
-	else {
+	} else {
 		if (proid_is_exynos4412())
 			return exynos4x12_get_pll_clk(pllreg);
 		return exynos4_get_pll_clk(pllreg);
@@ -1375,9 +1611,11 @@ unsigned long get_i2c_clk(void)
 
 unsigned long get_pwm_clk(void)
 {
-	if (cpu_is_exynos5())
+	if (cpu_is_exynos5()) {
+		if (proid_is_exynos5420())
+			return exynos5420_get_pwm_clk();
 		return clock_get_periph_rate(PERIPH_ID_PWM0);
-	else {
+	} else {
 		if (proid_is_exynos4412())
 			return exynos4x12_get_pwm_clk();
 		return exynos4_get_pwm_clk();
@@ -1386,9 +1624,11 @@ unsigned long get_pwm_clk(void)
 
 unsigned long get_uart_clk(int dev_index)
 {
-	if (cpu_is_exynos5())
+	if (cpu_is_exynos5()) {
+		if (proid_is_exynos5420())
+			return exynos5420_get_uart_clk(dev_index);
 		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);
@@ -1397,17 +1637,23 @@ unsigned long get_uart_clk(int dev_index)
 
 unsigned long get_mmc_clk(int dev_index)
 {
-	if (cpu_is_exynos5())
+	if (cpu_is_exynos5()) {
+		if (proid_is_exynos5420())
+			return exynos5420_get_mmc_clk(dev_index);
 		return exynos5_get_mmc_clk(dev_index);
-	else
+	} 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 {
+	if (cpu_is_exynos5()) {
+		if (proid_is_exynos5420())
+			exynos5420_set_mmc_clk(dev_index, div);
+		else
+			exynos5_set_mmc_clk(dev_index, div);
+	} else {
 		if (proid_is_exynos4412())
 			exynos4x12_set_mmc_clk(dev_index, div);
 		else
@@ -1439,10 +1685,13 @@ void set_mipi_clk(void)
 
 int set_spi_clk(int periph_id, unsigned int rate)
 {
-	if (cpu_is_exynos5())
+	if (cpu_is_exynos5()) {
+		if (proid_is_exynos5420())
+			return exynos5420_set_spi_clk(periph_id, rate);
 		return exynos5_set_spi_clk(periph_id, rate);
-	else
+	} else {
 		return 0;
+	}
 }
 
 int set_i2s_clk_prescaler(unsigned int src_frq, unsigned int dst_frq,
diff --git a/arch/arm/cpu/armv7/exynos/clock_init.h b/arch/arm/cpu/armv7/exynos/clock_init.h
index c28ff3a..a875d0b 100644
--- a/arch/arm/cpu/armv7/exynos/clock_init.h
+++ b/arch/arm/cpu/armv7/exynos/clock_init.h
@@ -10,7 +10,11 @@
 #define __EXYNOS_CLOCK_INIT_H
 
 enum {
+#ifdef CONFIG_EXYNOS5420
+	MEM_TIMINGS_MSR_COUNT	= 5,
+#else
 	MEM_TIMINGS_MSR_COUNT	= 4,
+#endif
 };
 
 /* These are the ratio's for configuring ARM clock */
@@ -59,6 +63,18 @@ struct mem_timings {
 	unsigned bpll_mdiv;
 	unsigned bpll_pdiv;
 	unsigned bpll_sdiv;
+	unsigned kpll_mdiv;
+	unsigned kpll_pdiv;
+	unsigned kpll_sdiv;
+	unsigned dpll_mdiv;
+	unsigned dpll_pdiv;
+	unsigned dpll_sdiv;
+	unsigned ipll_mdiv;
+	unsigned ipll_pdiv;
+	unsigned ipll_sdiv;
+	unsigned spll_mdiv;
+	unsigned spll_pdiv;
+	unsigned spll_sdiv;
 	unsigned pclk_cdrex_ratio;
 	unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT];
 
@@ -115,6 +131,7 @@ struct mem_timings {
 	uint8_t send_zq_init;		/* 1 to send this command */
 	unsigned impedance;		/* drive strength impedeance */
 	uint8_t gate_leveling_enable;	/* check gate leveling is enabled */
+	uint8_t read_leveling_enable;	/* check h/w read leveling is enabled */
 };
 
 /**
diff --git a/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c
index a24c2f3..1d6977f 100644
--- a/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c
+++ b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c
@@ -24,6 +24,24 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 struct arm_clk_ratios arm_clk_ratios[] = {
+#ifdef CONFIG_EXYNOS5420
+	{
+		.arm_freq_mhz = 900,
+
+		.apll_mdiv = 0x96,
+		.apll_pdiv = 0x2,
+		.apll_sdiv = 0x1,
+
+		.arm2_ratio = 0x0,
+		.apll_ratio = 0x3,
+		.pclk_dbg_ratio = 0x6,
+		.atb_ratio = 0x6,
+		.periph_ratio = 0x7,
+		.acp_ratio = 0x0,
+		.cpud_ratio = 0x2,
+		.arm_ratio = 0x0,
+	}
+#else
 	{
 		.arm_freq_mhz = 600,
 
@@ -115,8 +133,133 @@ struct arm_clk_ratios arm_clk_ratios[] = {
 		.cpud_ratio = 0x3,
 		.arm_ratio = 0x0,
 	}
+#endif
 };
+
 struct mem_timings mem_timings[] = {
+#ifdef CONFIG_EXYNOS5420
+	{
+		.mem_manuf = MEM_MANUF_SAMSUNG,
+		.mem_type = DDR_MODE_DDR3,
+		.frequency_mhz = 800,
+
+		/* MPLL @800MHz*/
+		.mpll_mdiv = 0xc8,
+		.mpll_pdiv = 0x3,
+		.mpll_sdiv = 0x1,
+		/* CPLL @666MHz */
+		.cpll_mdiv = 0xde,
+		.cpll_pdiv = 0x4,
+		.cpll_sdiv = 0x1,
+		/* EPLL @600MHz */
+		.epll_mdiv = 0x64,
+		.epll_pdiv = 0x2,
+		.epll_sdiv = 0x1,
+		/* VPLL @430MHz */
+		.vpll_mdiv = 0xd7,
+		.vpll_pdiv = 0x3,
+		.vpll_sdiv = 0x2,
+		/* BPLL @800MHz */
+		.bpll_mdiv = 0xc8,
+		.bpll_pdiv = 0x3,
+		.bpll_sdiv = 0x1,
+		/* KPLL @600MHz */
+		.kpll_mdiv = 0x190,
+		.kpll_pdiv = 0x4,
+		.kpll_sdiv = 0x2,
+		/* DPLL @600MHz */
+		.dpll_mdiv = 0x190,
+		.dpll_pdiv = 0x4,
+		.dpll_sdiv = 0x2,
+		/* IPLL @370MHz */
+		.ipll_mdiv = 0xb9,
+		.ipll_pdiv = 0x3,
+		.ipll_sdiv = 0x2,
+		/* SPLL @400MHz */
+		.spll_mdiv = 0xc8,
+		.spll_pdiv = 0x3,
+		.spll_sdiv = 0x2,
+
+		.direct_cmd_msr = {
+			0x00020018, 0x00030000, 0x00010046, 0x00000d70,
+			0x00000c70
+		},
+		.timing_ref = 0x000000bb,
+		.timing_row = 0x6836650f,
+		.timing_data = 0x3630580b,
+		.timing_power = 0x41000a26,
+		.phy0_dqs = 0x08080808,
+		.phy1_dqs = 0x08080808,
+		.phy0_dq = 0x08080808,
+		.phy1_dq = 0x08080808,
+		.phy0_tFS = 0x8,
+		.phy1_tFS = 0x8,
+		.phy0_pulld_dqs = 0xf,
+		.phy1_pulld_dqs = 0xf,
+
+		.lpddr3_ctrl_phy_reset = 0x1,
+		.ctrl_start_point = 0x10,
+		.ctrl_inc = 0x10,
+		.ctrl_start = 0x1,
+		.ctrl_dll_on = 0x1,
+		.ctrl_ref = 0x8,
+
+		.ctrl_force = 0x1a,
+		.ctrl_rdlat = 0x0b,
+		.ctrl_bstlen = 0x08,
+
+		.fp_resync = 0x8,
+		.iv_size = 0x7,
+		.dfi_init_start = 1,
+		.aref_en = 1,
+
+		.rd_fetch = 0x3,
+
+		.zq_mode_dds = 0x7,
+		.zq_mode_term = 0x1,
+		.zq_mode_noterm = 1,
+
+		/*
+		* Dynamic Clock: Always Running
+		* Memory Burst length: 8
+		* Number of chips: 1
+		* Memory Bus width: 32 bit
+		* Memory Type: DDR3
+		* Additional Latancy for PLL: 0 Cycle
+		*/
+		.memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
+			DMC_MEMCONTROL_DPWRDN_DISABLE |
+			DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
+			DMC_MEMCONTROL_TP_DISABLE |
+			DMC_MEMCONTROL_DSREF_DISABLE |
+			DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
+			DMC_MEMCONTROL_MEM_TYPE_DDR3 |
+			DMC_MEMCONTROL_MEM_WIDTH_32BIT |
+			DMC_MEMCONTROL_NUM_CHIP_1 |
+			DMC_MEMCONTROL_BL_8 |
+			DMC_MEMCONTROL_PZQ_DISABLE |
+			DMC_MEMCONTROL_MRR_BYTE_7_0,
+		.memconfig = DMC_MEMCONFIG_CHIP_MAP_SPLIT |
+			DMC_MEMCONFIGX_CHIP_COL_10 |
+			DMC_MEMCONFIGX_CHIP_ROW_15 |
+			DMC_MEMCONFIGX_CHIP_BANK_8,
+		.prechconfig_tp_cnt = 0xff,
+		.dpwrdn_cyc = 0xff,
+		.dsref_cyc = 0xffff,
+		.concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
+			DMC_CONCONTROL_TIMEOUT_LEVEL0 |
+			DMC_CONCONTROL_RD_FETCH_DISABLE |
+			DMC_CONCONTROL_EMPTY_DISABLE |
+			DMC_CONCONTROL_AREF_EN_DISABLE |
+			DMC_CONCONTROL_IO_PD_CON_DISABLE,
+		.dmc_channels = 1,
+		.chips_per_channel = 1,
+		.chips_to_configure = 1,
+		.send_zq_init = 1,
+		.gate_leveling_enable = 1,
+		.read_leveling_enable = 0,
+	}
+#else
 	{
 		.mem_manuf = MEM_MANUF_ELPIDA,
 		.mem_type = DDR_MODE_DDR3,
@@ -324,6 +467,7 @@ struct mem_timings mem_timings[] = {
 		.impedance = IMP_OUTPUT_DRV_40_OHM,
 		.gate_leveling_enable = 1,
 	}
+#endif
 };
 
 /**
@@ -399,7 +543,7 @@ struct mem_timings *clock_get_mem_timings(void)
 	return NULL;
 }
 
-void system_clock_init()
+static void exynos5250_system_clock_init(void)
 {
 	struct exynos5_clock *clk =
 		(struct exynos5_clock *)samsung_get_base_clock();
@@ -436,19 +580,13 @@ void system_clock_init()
 	} while ((val | MUX_BPLL_SEL_MASK) != val);
 
 	/* PLL locktime */
-	writel(APLL_LOCK_VAL, &clk->apll_lock);
-
-	writel(MPLL_LOCK_VAL, &clk->mpll_lock);
-
-	writel(BPLL_LOCK_VAL, &clk->bpll_lock);
-
-	writel(CPLL_LOCK_VAL, &clk->cpll_lock);
-
-	writel(GPLL_LOCK_VAL, &clk->gpll_lock);
-
-	writel(EPLL_LOCK_VAL, &clk->epll_lock);
-
-	writel(VPLL_LOCK_VAL, &clk->vpll_lock);
+	writel(mem->apll_pdiv * PLL_LOCK_FACTOR, &clk->apll_lock);
+	writel(mem->mpll_pdiv * PLL_LOCK_FACTOR, &clk->mpll_lock);
+	writel(mem->bpll_pdiv * PLL_LOCK_FACTOR, &clk->bpll_lock);
+	writel(mem->cpll_pdiv * PLL_LOCK_FACTOR, &clk->cpll_lock);
+	writel(mem->gpll_pdiv * PLL_X_LOCK_FACTOR, &clk->gpll_lock);
+	writel(mem->epll_pdiv * PLL_X_LOCK_FACTOR, &clk->epll_lock);
+	writel(mem->vpll_pdiv * PLL_X_LOCK_FACTOR, &clk->vpll_lock);
 
 	writel(CLK_REG_DISABLE, &clk->pll_div2_sel);
 
@@ -640,6 +778,192 @@ void system_clock_init()
 	writel(val, &clk->div_fsys2);
 }
 
+static void exynos5420_system_clock_init(void)
+{
+	struct exynos5420_clock *clk =
+		(struct exynos5420_clock *)samsung_get_base_clock();
+	struct mem_timings *mem;
+	struct arm_clk_ratios *arm_clk_ratio;
+	u32 val;
+
+	mem = clock_get_mem_timings();
+	arm_clk_ratio = get_arm_ratios();
+
+	/* PLL locktime */
+	writel(arm_clk_ratio->apll_pdiv * PLL_LOCK_FACTOR, &clk->apll_lock);
+	writel(mem->mpll_pdiv * PLL_LOCK_FACTOR, &clk->mpll_lock);
+	writel(mem->bpll_pdiv * PLL_LOCK_FACTOR, &clk->bpll_lock);
+	writel(mem->cpll_pdiv * PLL_LOCK_FACTOR, &clk->cpll_lock);
+	writel(mem->dpll_pdiv * PLL_LOCK_FACTOR, &clk->dpll_lock);
+	writel(mem->epll_pdiv * PLL_X_LOCK_FACTOR, &clk->epll_lock);
+	writel(mem->vpll_pdiv * PLL_LOCK_FACTOR, &clk->vpll_lock);
+	writel(mem->ipll_pdiv * PLL_LOCK_FACTOR, &clk->ipll_lock);
+	writel(mem->spll_pdiv * PLL_LOCK_FACTOR, &clk->spll_lock);
+	writel(mem->kpll_pdiv * PLL_LOCK_FACTOR, &clk->kpll_lock);
+
+	setbits_le32(&clk->src_cpu, MUX_HPM_SEL_MASK);
+
+	writel(0, &clk->src_top6);
+
+	writel(0, &clk->src_cdrex);
+	writel(SRC_KFC_HPM_SEL, &clk->src_kfc);
+	writel(HPM_RATIO,  &clk->div_cpu1);
+	writel(CLK_DIV_CPU0_VAL,  &clk->div_cpu0);
+
+	/* switch A15 clock source to OSC clock before changing APLL */
+	clrbits_le32(&clk->src_cpu, APLL_FOUT);
+
+	/* Set APLL */
+	writel(APLL_CON1_VAL, &clk->apll_con1);
+	val = set_pll(arm_clk_ratio->apll_mdiv,
+		      arm_clk_ratio->apll_pdiv,
+		      arm_clk_ratio->apll_sdiv);
+	writel(val, &clk->apll_con0);
+	while ((readl(&clk->apll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* now it is safe to switch to APLL */
+	setbits_le32(&clk->src_cpu, APLL_FOUT);
+
+	writel(SRC_KFC_HPM_SEL, &clk->src_kfc);
+	writel(CLK_DIV_KFC_VAL, &clk->div_kfc0);
+
+	/* switch A7 clock source to OSC clock before changing KPLL */
+	clrbits_le32(&clk->src_kfc, KPLL_FOUT);
+
+	/* Set KPLL*/
+	writel(KPLL_CON1_VAL, &clk->kpll_con1);
+	val = set_pll(mem->kpll_mdiv, mem->kpll_pdiv, mem->kpll_sdiv);
+	writel(val, &clk->kpll_con0);
+	while ((readl(&clk->kpll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* now it is safe to switch to KPLL */
+	setbits_le32(&clk->src_kfc, KPLL_FOUT);
+
+	/* Set MPLL */
+	writel(MPLL_CON1_VAL, &clk->mpll_con1);
+	val = set_pll(mem->mpll_mdiv, mem->mpll_pdiv, mem->mpll_sdiv);
+	writel(val, &clk->mpll_con0);
+	while ((readl(&clk->mpll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* Set DPLL */
+	writel(DPLL_CON1_VAL, &clk->dpll_con1);
+	val = set_pll(mem->dpll_mdiv, mem->dpll_pdiv, mem->dpll_sdiv);
+	writel(val, &clk->dpll_con0);
+	while ((readl(&clk->dpll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* Set EPLL */
+	writel(EPLL_CON2_VAL, &clk->epll_con2);
+	writel(EPLL_CON1_VAL, &clk->epll_con1);
+	val = set_pll(mem->epll_mdiv, mem->epll_pdiv, mem->epll_sdiv);
+	writel(val, &clk->epll_con0);
+	while ((readl(&clk->epll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* Set CPLL */
+	writel(CPLL_CON1_VAL, &clk->cpll_con1);
+	val = set_pll(mem->cpll_mdiv, mem->cpll_pdiv, mem->cpll_sdiv);
+	writel(val, &clk->cpll_con0);
+	while ((readl(&clk->cpll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* Set IPLL */
+	writel(IPLL_CON1_VAL, &clk->ipll_con1);
+	val = set_pll(mem->ipll_mdiv, mem->ipll_pdiv, mem->ipll_sdiv);
+	writel(val, &clk->ipll_con0);
+	while ((readl(&clk->ipll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* Set VPLL */
+	writel(VPLL_CON1_VAL, &clk->vpll_con1);
+	val = set_pll(mem->vpll_mdiv, mem->vpll_pdiv, mem->vpll_sdiv);
+	writel(val, &clk->vpll_con0);
+	while ((readl(&clk->vpll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* Set BPLL */
+	writel(BPLL_CON1_VAL, &clk->bpll_con1);
+	val = set_pll(mem->bpll_mdiv, mem->bpll_pdiv, mem->bpll_sdiv);
+	writel(val, &clk->bpll_con0);
+	while ((readl(&clk->bpll_con0) & PLL_LOCKED) == 0)
+		;
+
+	/* Set SPLL */
+	writel(SPLL_CON1_VAL, &clk->spll_con1);
+	val = set_pll(mem->spll_mdiv, mem->spll_pdiv, mem->spll_sdiv);
+	writel(val, &clk->spll_con0);
+	while ((readl(&clk->spll_con0) & PLL_LOCKED) == 0)
+		;
+
+	writel(CLK_DIV_CDREX0_VAL, &clk->div_cdrex0);
+	writel(CLK_DIV_CDREX1_VAL, &clk->div_cdrex1);
+
+	writel(CLK_SRC_TOP0_VAL, &clk->src_top0);
+	writel(CLK_SRC_TOP1_VAL, &clk->src_top1);
+	writel(CLK_SRC_TOP2_VAL, &clk->src_top2);
+	writel(CLK_SRC_TOP7_VAL, &clk->src_top7);
+
+	writel(CLK_DIV_TOP0_VAL, &clk->div_top0);
+	writel(CLK_DIV_TOP1_VAL, &clk->div_top1);
+	writel(CLK_DIV_TOP2_VAL, &clk->div_top2);
+
+	writel(0, &clk->src_top10);
+	writel(0, &clk->src_top11);
+	writel(0, &clk->src_top12);
+
+	writel(CLK_SRC_TOP3_VAL, &clk->src_top3);
+	writel(CLK_SRC_TOP4_VAL, &clk->src_top4);
+	writel(CLK_SRC_TOP5_VAL, &clk->src_top5);
+
+	/* DISP1 BLK CLK SELECTION */
+	writel(CLK_SRC_DISP1_0_VAL, &clk->src_disp10);
+	writel(CLK_DIV_DISP1_0_VAL, &clk->div_disp10);
+
+	/* AUDIO BLK */
+	writel(AUDIO0_SEL_EPLL, &clk->src_mau);
+	writel(DIV_MAU_VAL, &clk->div_mau);
+
+	/* FSYS */
+	writel(CLK_SRC_FSYS0_VAL, &clk->src_fsys);
+	writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0);
+	writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1);
+	writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2);
+
+	writel(CLK_SRC_ISP_VAL, &clk->src_isp);
+	writel(CLK_DIV_ISP0_VAL, &clk->div_isp0);
+	writel(CLK_DIV_ISP1_VAL, &clk->div_isp1);
+
+	writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0);
+	writel(CLK_SRC_PERIC1_VAL, &clk->src_peric1);
+
+	writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0);
+	writel(CLK_DIV_PERIC1_VAL, &clk->div_peric1);
+	writel(CLK_DIV_PERIC2_VAL, &clk->div_peric2);
+	writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3);
+	writel(CLK_DIV_PERIC4_VAL, &clk->div_peric4);
+
+	writel(CLK_DIV_CPERI1_VAL, &clk->div_cperi1);
+
+	writel(CLK_DIV2_RATIO, &clk->clkdiv2_ratio);
+	writel(CLK_DIV4_RATIO, &clk->clkdiv4_ratio);
+	writel(CLK_DIV_G2D, &clk->div_g2d);
+
+	writel(CLK_SRC_TOP6_VAL, &clk->src_top6);
+	writel(CLK_SRC_CDREX_VAL, &clk->src_cdrex);
+	writel(CLK_SRC_KFC_VAL, &clk->src_kfc);
+}
+
+void system_clock_init(void)
+{
+	if (proid_is_exynos5420())
+		exynos5420_system_clock_init();
+	else
+		exynos5250_system_clock_init();
+}
+
 void clock_init_dp_clock(void)
 {
 	struct exynos5_clock *clk =
diff --git a/arch/arm/cpu/armv7/exynos/dmc_common.c b/arch/arm/cpu/armv7/exynos/dmc_common.c
index 53cfe6e..cca925e 100644
--- a/arch/arm/cpu/armv7/exynos/dmc_common.c
+++ b/arch/arm/cpu/armv7/exynos/dmc_common.c
@@ -1,5 +1,5 @@
 /*
- * Mem setup common file for different types of DDR present on SMDK5250 boards.
+ * Mem setup common file for different types of DDR present on Exynos boards.
  *
  * Copyright (C) 2012 Samsung Electronics
  *
@@ -15,9 +15,9 @@
 
 #define ZQ_INIT_TIMEOUT	10000
 
-int dmc_config_zq(struct mem_timings *mem,
-		  struct exynos5_phy_control *phy0_ctrl,
-		  struct exynos5_phy_control *phy1_ctrl)
+int dmc_config_zq(struct mem_timings *mem, uint32_t *phy0_con16,
+			uint32_t *phy1_con16, uint32_t *phy0_con17,
+			uint32_t *phy1_con17)
 {
 	unsigned long val = 0;
 	int i;
@@ -31,19 +31,19 @@ int dmc_config_zq(struct mem_timings *mem,
 	val |= mem->zq_mode_dds << PHY_CON16_ZQ_MODE_DDS_SHIFT;
 	val |= mem->zq_mode_term << PHY_CON16_ZQ_MODE_TERM_SHIFT;
 	val |= ZQ_CLK_DIV_EN;
-	writel(val, &phy0_ctrl->phy_con16);
-	writel(val, &phy1_ctrl->phy_con16);
+	writel(val, phy0_con16);
+	writel(val, phy1_con16);
 
 	/* Disable termination */
 	if (mem->zq_mode_noterm)
 		val |= PHY_CON16_ZQ_MODE_NOTERM_MASK;
-	writel(val, &phy0_ctrl->phy_con16);
-	writel(val, &phy1_ctrl->phy_con16);
+	writel(val, phy0_con16);
+	writel(val, phy1_con16);
 
 	/* ZQ_MANUAL_START: Enable */
 	val |= ZQ_MANUAL_STR;
-	writel(val, &phy0_ctrl->phy_con16);
-	writel(val, &phy1_ctrl->phy_con16);
+	writel(val, phy0_con16);
+	writel(val, phy1_con16);
 
 	/* ZQ_MANUAL_START: Disable */
 	val &= ~ZQ_MANUAL_STR;
@@ -53,47 +53,47 @@ int dmc_config_zq(struct mem_timings *mem,
 	 * we are looping for the ZQ_init to complete.
 	 */
 	i = ZQ_INIT_TIMEOUT;
-	while ((readl(&phy0_ctrl->phy_con17) & ZQ_DONE) != ZQ_DONE && i > 0) {
+	while ((readl(phy0_con17) & ZQ_DONE) != ZQ_DONE && i > 0) {
 		sdelay(100);
 		i--;
 	}
 	if (!i)
 		return -1;
-	writel(val, &phy0_ctrl->phy_con16);
+	writel(val, phy0_con16);
 
 	i = ZQ_INIT_TIMEOUT;
-	while ((readl(&phy1_ctrl->phy_con17) & ZQ_DONE) != ZQ_DONE && i > 0) {
+	while ((readl(phy1_con17) & ZQ_DONE) != ZQ_DONE && i > 0) {
 		sdelay(100);
 		i--;
 	}
 	if (!i)
 		return -1;
-	writel(val, &phy1_ctrl->phy_con16);
+	writel(val, phy1_con16);
 
 	return 0;
 }
 
-void update_reset_dll(struct exynos5_dmc *dmc, enum ddr_mode mode)
+void update_reset_dll(uint32_t *phycontrol0, enum ddr_mode mode)
 {
 	unsigned long val;
 
 	if (mode == DDR_MODE_DDR3) {
 		val = MEM_TERM_EN | PHY_TERM_EN | DMC_CTRL_SHGATE;
-		writel(val, &dmc->phycontrol0);
+		writel(val, phycontrol0);
 	}
 
 	/* Update DLL Information: Force DLL Resyncronization */
-	val = readl(&dmc->phycontrol0);
+	val = readl(phycontrol0);
 	val |= FP_RSYNC;
-	writel(val, &dmc->phycontrol0);
+	writel(val, phycontrol0);
 
 	/* Reset Force DLL Resyncronization */
-	val = readl(&dmc->phycontrol0);
+	val = readl(phycontrol0);
 	val &= ~FP_RSYNC;
-	writel(val, &dmc->phycontrol0);
+	writel(val, phycontrol0);
 }
 
-void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc)
+void dmc_config_mrs(struct mem_timings *mem, uint32_t *directcmd)
 {
 	int channel, chip;
 
@@ -107,7 +107,7 @@ void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc)
 			mask |= chip << DIRECT_CMD_CHIP_SHIFT;
 
 			/* Sending NOP command */
-			writel(DIRECT_CMD_NOP | mask, &dmc->directcmd);
+			writel(DIRECT_CMD_NOP | mask, directcmd);
 
 			/*
 			 * TODO(alim.akhtar@samsung.com): Do we need these
@@ -119,14 +119,14 @@ void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc)
 			/* Sending EMRS/MRS commands */
 			for (i = 0; i < MEM_TIMINGS_MSR_COUNT; i++) {
 				writel(mem->direct_cmd_msr[i] | mask,
-				       &dmc->directcmd);
+				       directcmd);
 				sdelay(0x10000);
 			}
 
 			if (mem->send_zq_init) {
 				/* Sending ZQINIT command */
 				writel(DIRECT_CMD_ZQINIT | mask,
-				       &dmc->directcmd);
+				       directcmd);
 
 				sdelay(10000);
 			}
@@ -134,7 +134,7 @@ void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc)
 	}
 }
 
-void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc)
+void dmc_config_prech(struct mem_timings *mem, uint32_t *directcmd)
 {
 	int channel, chip;
 
@@ -146,20 +146,12 @@ void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc)
 			mask |= chip << DIRECT_CMD_CHIP_SHIFT;
 
 			/* PALL (all banks precharge) CMD */
-			writel(DIRECT_CMD_PALL | mask, &dmc->directcmd);
+			writel(DIRECT_CMD_PALL | mask, directcmd);
 			sdelay(0x10000);
 		}
 	}
 }
 
-void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc)
-{
-	writel(mem->memconfig, &dmc->memconfig0);
-	writel(mem->memconfig, &dmc->memconfig1);
-	writel(DMC_MEMBASECONFIG0_VAL, &dmc->membaseconfig0);
-	writel(DMC_MEMBASECONFIG1_VAL, &dmc->membaseconfig1);
-}
-
 void mem_ctrl_init(int reset)
 {
 	struct spl_machine_param *param = spl_get_machine_params();
diff --git a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
index 5f5914e..487e6f4 100644
--- a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
+++ b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
@@ -1,5 +1,5 @@
 /*
- * DDR3 mem setup file for SMDK5250 board based on EXYNOS5
+ * DDR3 mem setup file for board based on EXYNOS5
  *
  * Copyright (C) 2012 Samsung Electronics
  *
@@ -11,12 +11,14 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/dmc.h>
+#include <asm/arch/power.h>
 #include "common_setup.h"
 #include "exynos5_setup.h"
 #include "clock_init.h"
 
-#define RDLVL_COMPLETE_TIMEOUT	10000
+#define TIMEOUT	10000
 
+#ifdef CONFIG_EXYNOS5250
 static void reset_phy_ctrl(void)
 {
 	struct exynos5_clock *clk =
@@ -57,7 +59,8 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 	writel(val, &phy1_ctrl->phy_con42);
 
 	/* ZQ Calibration */
-	if (dmc_config_zq(mem, phy0_ctrl, phy1_ctrl))
+	if (dmc_config_zq(mem, &phy0_ctrl->phy_con16, &phy1_ctrl->phy_con16,
+			  &phy0_ctrl->phy_con17, &phy1_ctrl->phy_con17))
 		return SETUP_ERR_ZQ_CALIBRATION_FAILURE;
 
 	/* DQ Signal */
@@ -68,7 +71,7 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 		| (mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT),
 		&dmc->concontrol);
 
-	update_reset_dll(dmc, DDR_MODE_DDR3);
+	update_reset_dll(&dmc->phycontrol0, DDR_MODE_DDR3);
 
 	/* DQS Signal */
 	writel(mem->phy0_dqs, &phy0_ctrl->phy_con4);
@@ -93,7 +96,7 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 	writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
 	       &phy1_ctrl->phy_con12);
 
-	update_reset_dll(dmc, DDR_MODE_DDR3);
+	update_reset_dll(&dmc->phycontrol0, DDR_MODE_DDR3);
 
 	writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
 	       &dmc->concontrol);
@@ -124,10 +127,10 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 	writel(mem->timing_power, &dmc->timingpower);
 
 	/* Send PALL command */
-	dmc_config_prech(mem, dmc);
+	dmc_config_prech(mem, &dmc->directcmd);
 
 	/* Send NOP, MRS and ZQINIT commands */
-	dmc_config_mrs(mem, dmc);
+	dmc_config_mrs(mem, &dmc->directcmd);
 
 	if (mem->gate_leveling_enable) {
 		val = PHY_CON0_RESET_VAL;
@@ -174,7 +177,7 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 		writel(val, &phy1_ctrl->phy_con1);
 
 		writel(CTRL_RDLVL_GATE_ENABLE, &dmc->rdlvl_config);
-		i = RDLVL_COMPLETE_TIMEOUT;
+		i = TIMEOUT;
 		while ((readl(&dmc->phystatus) &
 			(RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1)) !=
 			(RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1) && i > 0) {
@@ -202,11 +205,11 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 		writel(val, &phy0_ctrl->phy_con12);
 		writel(val, &phy1_ctrl->phy_con12);
 
-		update_reset_dll(dmc, DDR_MODE_DDR3);
+		update_reset_dll(&dmc->phycontrol0, DDR_MODE_DDR3);
 	}
 
 	/* Send PALL command */
-	dmc_config_prech(mem, dmc);
+	dmc_config_prech(mem, &dmc->directcmd);
 
 	writel(mem->memcontrol, &dmc->memcontrol);
 
@@ -215,3 +218,419 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 		| (mem->aref_en << CONCONTROL_AREF_EN_SHIFT), &dmc->concontrol);
 	return 0;
 }
+#endif
+
+#ifdef CONFIG_EXYNOS5420
+int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
+		       int reset)
+{
+	struct exynos5420_clock *clk =
+		(struct exynos5420_clock *)samsung_get_base_clock();
+	struct exynos5420_power *power =
+		(struct exynos5420_power *)samsung_get_base_power();
+	struct exynos5420_phy_control *phy0_ctrl, *phy1_ctrl;
+	struct exynos5420_dmc *drex0, *drex1;
+	struct exynos5420_tzasc *tzasc0, *tzasc1;
+	uint32_t val, n_lock_r, n_lock_w_phy0, n_lock_w_phy1;
+	int chip;
+	int i;
+
+	phy0_ctrl = (struct exynos5420_phy_control *)samsung_get_base_dmc_phy();
+	phy1_ctrl = (struct exynos5420_phy_control *)(samsung_get_base_dmc_phy()
+							+ DMC_OFFSET);
+	drex0 = (struct exynos5420_dmc *)samsung_get_base_dmc_ctrl();
+	drex1 = (struct exynos5420_dmc *)(samsung_get_base_dmc_ctrl()
+							+ DMC_OFFSET);
+	tzasc0 = (struct exynos5420_tzasc *)samsung_get_base_dmc_tzasc();
+	tzasc1 = (struct exynos5420_tzasc *)(samsung_get_base_dmc_tzasc()
+							+ DMC_OFFSET);
+
+	/* Enable PAUSE for DREX */
+	setbits_le32(&clk->pause, ENABLE_BIT);
+
+	/* Enable BYPASS mode */
+	setbits_le32(&clk->bpll_con1, BYPASS_EN);
+
+	writel(MUX_BPLL_SEL_FOUTBPLL, &clk->src_cdrex);
+	do {
+		val = readl(&clk->mux_stat_cdrex);
+		val &= BPLL_SEL_MASK;
+	} while (val != FOUTBPLL);
+
+	clrbits_le32(&clk->bpll_con1, BYPASS_EN);
+
+	/* Specify the DDR memory type as DDR3 */
+	val = readl(&phy0_ctrl->phy_con0);
+	val &= ~(PHY_CON0_CTRL_DDR_MODE_MASK << PHY_CON0_CTRL_DDR_MODE_SHIFT);
+	val |= (DDR_MODE_DDR3 << PHY_CON0_CTRL_DDR_MODE_SHIFT);
+	writel(val, &phy0_ctrl->phy_con0);
+
+	val = readl(&phy1_ctrl->phy_con0);
+	val &= ~(PHY_CON0_CTRL_DDR_MODE_MASK << PHY_CON0_CTRL_DDR_MODE_SHIFT);
+	val |= (DDR_MODE_DDR3 << PHY_CON0_CTRL_DDR_MODE_SHIFT);
+	writel(val, &phy1_ctrl->phy_con0);
+
+	/* Set Read Latency and Burst Length for PHY0 and PHY1 */
+	val = (mem->ctrl_bstlen << PHY_CON42_CTRL_BSTLEN_SHIFT) |
+		(mem->ctrl_rdlat << PHY_CON42_CTRL_RDLAT_SHIFT);
+	writel(val, &phy0_ctrl->phy_con42);
+	writel(val, &phy1_ctrl->phy_con42);
+
+	val = readl(&phy0_ctrl->phy_con26);
+	val &= ~(T_WRDATA_EN_MASK << T_WRDATA_EN_OFFSET);
+	val |= (T_WRDATA_EN_DDR3 << T_WRDATA_EN_OFFSET);
+	writel(val, &phy0_ctrl->phy_con26);
+
+	val = readl(&phy1_ctrl->phy_con26);
+	val &= ~(T_WRDATA_EN_MASK << T_WRDATA_EN_OFFSET);
+	val |= (T_WRDATA_EN_DDR3 << T_WRDATA_EN_OFFSET);
+	writel(val, &phy1_ctrl->phy_con26);
+
+	/*
+	 * Set Driver strength for CK, CKE, CS & CA to 0x7
+	 * Set Driver strength for Data Slice 0~3 to 0x7
+	 */
+	val = (0x7 << CA_CK_DRVR_DS_OFFSET) | (0x7 << CA_CKE_DRVR_DS_OFFSET) |
+		(0x7 << CA_CS_DRVR_DS_OFFSET) | (0x7 << CA_ADR_DRVR_DS_OFFSET);
+	val |= (0x7 << DA_3_DS_OFFSET) | (0x7 << DA_2_DS_OFFSET) |
+		(0x7 << DA_1_DS_OFFSET) | (0x7 << DA_0_DS_OFFSET);
+	writel(val, &phy0_ctrl->phy_con39);
+	writel(val, &phy1_ctrl->phy_con39);
+
+	/* ZQ Calibration */
+	if (dmc_config_zq(mem, &phy0_ctrl->phy_con16, &phy1_ctrl->phy_con16,
+			  &phy0_ctrl->phy_con17, &phy1_ctrl->phy_con17))
+		return SETUP_ERR_ZQ_CALIBRATION_FAILURE;
+
+	clrbits_le32(&phy0_ctrl->phy_con16, ZQ_CLK_DIV_EN);
+	clrbits_le32(&phy1_ctrl->phy_con16, ZQ_CLK_DIV_EN);
+
+	/* DQ Signal */
+	val = readl(&phy0_ctrl->phy_con14);
+	val |= mem->phy0_pulld_dqs;
+	writel(val, &phy0_ctrl->phy_con14);
+	val = readl(&phy1_ctrl->phy_con14);
+	val |= mem->phy1_pulld_dqs;
+	writel(val, &phy1_ctrl->phy_con14);
+
+	val = MEM_TERM_EN | PHY_TERM_EN;
+	writel(val, &drex0->phycontrol0);
+	writel(val, &drex1->phycontrol0);
+
+	writel(mem->concontrol |
+		(mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT) |
+		(mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
+		&drex0->concontrol);
+	writel(mem->concontrol |
+		(mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT) |
+		(mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
+		&drex1->concontrol);
+
+	do {
+		val = readl(&drex0->phystatus);
+	} while ((val & DFI_INIT_COMPLETE) != DFI_INIT_COMPLETE);
+	do {
+		val = readl(&drex1->phystatus);
+	} while ((val & DFI_INIT_COMPLETE) != DFI_INIT_COMPLETE);
+
+	clrbits_le32(&drex0->concontrol, DFI_INIT_START);
+	clrbits_le32(&drex1->concontrol, DFI_INIT_START);
+
+	update_reset_dll(&drex0->phycontrol0, DDR_MODE_DDR3);
+	update_reset_dll(&drex1->phycontrol0, DDR_MODE_DDR3);
+
+	/*
+	 * Set Base Address:
+	 * 0x2000_0000 ~ 0x5FFF_FFFF
+	 * 0x6000_0000 ~ 0x9FFF_FFFF
+	 */
+	/* MEMBASECONFIG0 */
+	val = DMC_MEMBASECONFIGX_CHIP_BASE(DMC_CHIP_BASE_0) |
+		DMC_MEMBASECONFIGX_CHIP_MASK(DMC_CHIP_MASK);
+	writel(val, &tzasc0->membaseconfig0);
+	writel(val, &tzasc1->membaseconfig0);
+
+	/* MEMBASECONFIG1 */
+	val = DMC_MEMBASECONFIGX_CHIP_BASE(DMC_CHIP_BASE_1) |
+		DMC_MEMBASECONFIGX_CHIP_MASK(DMC_CHIP_MASK);
+	writel(val, &tzasc0->membaseconfig1);
+	writel(val, &tzasc1->membaseconfig1);
+
+	/*
+	 * Memory Channel Inteleaving Size
+	 * Ares Channel interleaving = 128 bytes
+	 */
+	/* MEMCONFIG0/1 */
+	writel(mem->memconfig, &tzasc0->memconfig0);
+	writel(mem->memconfig, &tzasc1->memconfig0);
+	writel(mem->memconfig, &tzasc0->memconfig1);
+	writel(mem->memconfig, &tzasc1->memconfig1);
+
+	/* Precharge Configuration */
+	writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
+	       &drex0->prechconfig0);
+	writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
+	       &drex1->prechconfig0);
+
+	/*
+	 * TimingRow, TimingData, TimingPower and Timingaref
+	 * values as per Memory AC parameters
+	 */
+	writel(mem->timing_ref, &drex0->timingref);
+	writel(mem->timing_ref, &drex1->timingref);
+	writel(mem->timing_row, &drex0->timingrow0);
+	writel(mem->timing_row, &drex1->timingrow0);
+	writel(mem->timing_data, &drex0->timingdata0);
+	writel(mem->timing_data, &drex1->timingdata0);
+	writel(mem->timing_power, &drex0->timingpower0);
+	writel(mem->timing_power, &drex1->timingpower0);
+
+	if (reset) {
+		/*
+		 * Send NOP, MRS and ZQINIT commands
+		 * Sending MRS command will reset the DRAM. We should not be
+		 * reseting the DRAM after resume, this will lead to memory
+		 * corruption as DRAM content is lost after DRAM reset
+		 */
+		dmc_config_mrs(mem, &drex0->directcmd);
+		dmc_config_mrs(mem, &drex1->directcmd);
+	} else {
+		/*
+		 * During Suspend-Resume & S/W-Reset, as soon as PMU releases
+		 * pad retention, CKE goes high. This causes memory contents
+		 * not to be retained during DRAM initialization. Therfore,
+		 * there is a new control register(0x100431e8[28]) which lets us
+		 * release pad retention and retain the memory content until the
+		 * initialization is complete.
+		 */
+		writel(PAD_RETENTION_DRAM_COREBLK_VAL,
+		       &power->pad_retention_dram_coreblk_option);
+		do {
+			val = readl(&power->pad_retention_dram_status);
+		} while (val != 0x1);
+
+		/*
+		 * CKE PAD retention disables DRAM self-refresh mode.
+		 * Send auto refresh command for DRAM refresh.
+		 */
+		for (i = 0; i < 128; i++) {
+			for (chip = 0; chip < mem->chips_to_configure; chip++) {
+				writel(DIRECT_CMD_REFA |
+				       (chip << DIRECT_CMD_CHIP_SHIFT),
+				       &drex0->directcmd);
+				writel(DIRECT_CMD_REFA |
+				       (chip << DIRECT_CMD_CHIP_SHIFT),
+				       &drex1->directcmd);
+			}
+		}
+	}
+
+	if (mem->gate_leveling_enable) {
+		writel(PHY_CON0_RESET_VAL, &phy0_ctrl->phy_con0);
+		writel(PHY_CON0_RESET_VAL, &phy1_ctrl->phy_con0);
+
+		setbits_le32(&phy0_ctrl->phy_con0, P0_CMD_EN);
+		setbits_le32(&phy1_ctrl->phy_con0, P0_CMD_EN);
+
+		val = PHY_CON2_RESET_VAL;
+		val |= INIT_DESKEW_EN;
+		writel(val, &phy0_ctrl->phy_con2);
+		writel(val, &phy1_ctrl->phy_con2);
+
+		val =  readl(&phy0_ctrl->phy_con1);
+		val |= (RDLVL_PASS_ADJ_VAL << RDLVL_PASS_ADJ_OFFSET);
+		writel(val, &phy0_ctrl->phy_con1);
+
+		val =  readl(&phy1_ctrl->phy_con1);
+		val |= (RDLVL_PASS_ADJ_VAL << RDLVL_PASS_ADJ_OFFSET);
+		writel(val, &phy1_ctrl->phy_con1);
+
+		n_lock_r = readl(&phy0_ctrl->phy_con13);
+		n_lock_w_phy0 = (n_lock_r & CTRL_LOCK_COARSE_MASK) >> 2;
+		n_lock_r = readl(&phy0_ctrl->phy_con12);
+		n_lock_r &= ~CTRL_DLL_ON;
+		n_lock_r |= n_lock_w_phy0;
+		writel(n_lock_r, &phy0_ctrl->phy_con12);
+
+		n_lock_r = readl(&phy1_ctrl->phy_con13);
+		n_lock_w_phy1 = (n_lock_r & CTRL_LOCK_COARSE_MASK) >> 2;
+		n_lock_r = readl(&phy1_ctrl->phy_con12);
+		n_lock_r &= ~CTRL_DLL_ON;
+		n_lock_r |= n_lock_w_phy1;
+		writel(n_lock_r, &phy1_ctrl->phy_con12);
+
+		val = (0x3 << DIRECT_CMD_BANK_SHIFT) | 0x4;
+		for (chip = 0; chip < mem->chips_to_configure; chip++) {
+			writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
+			       &drex0->directcmd);
+			writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
+			       &drex1->directcmd);
+		}
+
+		setbits_le32(&phy0_ctrl->phy_con2, RDLVL_GATE_EN);
+		setbits_le32(&phy1_ctrl->phy_con2, RDLVL_GATE_EN);
+
+		setbits_le32(&phy0_ctrl->phy_con0, CTRL_SHGATE);
+		setbits_le32(&phy1_ctrl->phy_con0, CTRL_SHGATE);
+
+		val = readl(&phy0_ctrl->phy_con1);
+		val &= ~(CTRL_GATEDURADJ_MASK);
+		writel(val, &phy0_ctrl->phy_con1);
+
+		val = readl(&phy1_ctrl->phy_con1);
+		val &= ~(CTRL_GATEDURADJ_MASK);
+		writel(val, &phy1_ctrl->phy_con1);
+
+		writel(CTRL_RDLVL_GATE_ENABLE, &drex0->rdlvl_config);
+		i = TIMEOUT;
+		while (((readl(&drex0->phystatus) & RDLVL_COMPLETE_CHO) !=
+			RDLVL_COMPLETE_CHO) && (i > 0)) {
+			/*
+			 * TODO(waihong): Comment on how long this take to
+			 * timeout
+			 */
+			sdelay(100);
+			i--;
+		}
+		if (!i)
+			return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
+		writel(CTRL_RDLVL_GATE_DISABLE, &drex0->rdlvl_config);
+
+		writel(CTRL_RDLVL_GATE_ENABLE, &drex1->rdlvl_config);
+		i = TIMEOUT;
+		while (((readl(&drex1->phystatus) & RDLVL_COMPLETE_CHO) !=
+			RDLVL_COMPLETE_CHO) && (i > 0)) {
+			/*
+			 * TODO(waihong): Comment on how long this take to
+			 * timeout
+			 */
+			sdelay(100);
+			i--;
+		}
+		if (!i)
+			return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
+		writel(CTRL_RDLVL_GATE_DISABLE, &drex1->rdlvl_config);
+
+		writel(0, &phy0_ctrl->phy_con14);
+		writel(0, &phy1_ctrl->phy_con14);
+
+		val = (0x3 << DIRECT_CMD_BANK_SHIFT);
+		for (chip = 0; chip < mem->chips_to_configure; chip++) {
+			writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
+			       &drex0->directcmd);
+			writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
+			       &drex1->directcmd);
+		}
+
+		if (mem->read_leveling_enable) {
+			/* Set Read DQ Calibration */
+			val = (0x3 << DIRECT_CMD_BANK_SHIFT) | 0x4;
+			for (chip = 0; chip < mem->chips_to_configure; chip++) {
+				writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
+				       &drex0->directcmd);
+				writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
+				       &drex1->directcmd);
+			}
+
+			val = readl(&phy0_ctrl->phy_con1);
+			val |= READ_LEVELLING_DDR3;
+			writel(val, &phy0_ctrl->phy_con1);
+			val = readl(&phy1_ctrl->phy_con1);
+			val |= READ_LEVELLING_DDR3;
+			writel(val, &phy1_ctrl->phy_con1);
+
+			val = readl(&phy0_ctrl->phy_con2);
+			val |= (RDLVL_EN | RDLVL_INCR_ADJ);
+			writel(val, &phy0_ctrl->phy_con2);
+			val = readl(&phy1_ctrl->phy_con2);
+			val |= (RDLVL_EN | RDLVL_INCR_ADJ);
+			writel(val, &phy1_ctrl->phy_con2);
+
+			setbits_le32(&drex0->rdlvl_config,
+				     CTRL_RDLVL_DATA_ENABLE);
+			i = TIMEOUT;
+			while (((readl(&drex0->phystatus) & RDLVL_COMPLETE_CHO)
+				 != RDLVL_COMPLETE_CHO) && (i > 0)) {
+				/*
+				 * TODO(waihong): Comment on how long this take
+				 * to timeout
+				 */
+				sdelay(100);
+				i--;
+			}
+			if (!i)
+				return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
+
+			clrbits_le32(&drex0->rdlvl_config,
+				     CTRL_RDLVL_DATA_ENABLE);
+			setbits_le32(&drex1->rdlvl_config,
+				     CTRL_RDLVL_DATA_ENABLE);
+			i = TIMEOUT;
+			while (((readl(&drex1->phystatus) & RDLVL_COMPLETE_CHO)
+				 != RDLVL_COMPLETE_CHO) && (i > 0)) {
+				/*
+				 * TODO(waihong): Comment on how long this take
+				 * to timeout
+				 */
+				sdelay(100);
+				i--;
+			}
+			if (!i)
+				return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
+
+			clrbits_le32(&drex1->rdlvl_config,
+				     CTRL_RDLVL_DATA_ENABLE);
+
+			val = (0x3 << DIRECT_CMD_BANK_SHIFT);
+			for (chip = 0; chip < mem->chips_to_configure; chip++) {
+				writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
+				       &drex0->directcmd);
+				writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
+				       &drex1->directcmd);
+			}
+
+			update_reset_dll(&drex0->phycontrol0, DDR_MODE_DDR3);
+			update_reset_dll(&drex1->phycontrol0, DDR_MODE_DDR3);
+		}
+
+		/* Common Settings for Leveling */
+		val = PHY_CON12_RESET_VAL;
+		writel((val + n_lock_w_phy0), &phy0_ctrl->phy_con12);
+		writel((val + n_lock_w_phy1), &phy1_ctrl->phy_con12);
+
+		setbits_le32(&phy0_ctrl->phy_con2, DLL_DESKEW_EN);
+		setbits_le32(&phy1_ctrl->phy_con2, DLL_DESKEW_EN);
+	}
+
+	/* Send PALL command */
+	dmc_config_prech(mem, &drex0->directcmd);
+	dmc_config_prech(mem, &drex1->directcmd);
+
+	writel(mem->memcontrol, &drex0->memcontrol);
+	writel(mem->memcontrol, &drex1->memcontrol);
+
+	/*
+	 * Set DMC Concontrol: Enable auto-refresh counter, provide
+	 * read data fetch cycles and enable DREX auto set powerdown
+	 * for input buffer of I/O in none read memory state.
+	 */
+	writel(mem->concontrol | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT) |
+		(mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)|
+		DMC_CONCONTROL_IO_PD_CON(0x2),
+		&drex0->concontrol);
+	writel(mem->concontrol | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT) |
+		(mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)|
+		DMC_CONCONTROL_IO_PD_CON(0x2),
+		&drex1->concontrol);
+
+	/*
+	 * Enable Clock Gating Control for DMC
+	 * this saves around 25 mw dmc power as compared to the power
+	 * consumption without these bits enabled
+	 */
+	setbits_le32(&drex0->cgcontrol, DMC_INTERNAL_CG);
+	setbits_le32(&drex1->cgcontrol, DMC_INTERNAL_CG);
+
+	return 0;
+}
+#endif
diff --git a/arch/arm/cpu/armv7/exynos/exynos5_setup.h b/arch/arm/cpu/armv7/exynos/exynos5_setup.h
index 696b386..53b0ace 100644
--- a/arch/arm/cpu/armv7/exynos/exynos5_setup.h
+++ b/arch/arm/cpu/armv7/exynos/exynos5_setup.h
@@ -12,42 +12,16 @@
 #include <config.h>
 #include <asm/arch/dmc.h>
 
-/* APLL_CON1	*/
-#define APLL_CON1_VAL	(0x00203800)
-
-/* MPLL_CON1	*/
-#define MPLL_CON1_VAL   (0x00203800)
-
-/* CPLL_CON1	*/
-#define CPLL_CON1_VAL	(0x00203800)
-
-/* GPLL_CON1	*/
-#define GPLL_CON1_VAL	(0x00203800)
-
-/* EPLL_CON1, CON2	*/
-#define EPLL_CON1_VAL	0x00000000
-#define EPLL_CON2_VAL	0x00000080
-
-/* VPLL_CON1, CON2	*/
-#define VPLL_CON1_VAL	0x00000000
-#define VPLL_CON2_VAL	0x00000080
+#define NOT_AVAILABLE		0
+#define DATA_MASK		0xFFFFF
 
-/* BPLL_CON1	*/
-#define BPLL_CON1_VAL	0x00203800
+#define ENABLE_BIT		0x1
+#define DISABLE_BIT		0x0
+#define CA_SWAP_EN		(1 << 0)
 
 /* Set PLL */
 #define set_pll(mdiv, pdiv, sdiv)	(1<<31 | mdiv<<16 | pdiv<<8 | sdiv)
 
-/* CLK_SRC_CPU	*/
-/* 0 = MOUTAPLL,  1 = SCLKMPLL	*/
-#define MUX_HPM_SEL             0
-#define MUX_CPU_SEL             0
-#define MUX_APLL_SEL            1
-
-#define CLK_SRC_CPU_VAL		((MUX_HPM_SEL << 20)    \
-				| (MUX_CPU_SEL << 16)  \
-				| (MUX_APLL_SEL))
-
 /* MEMCONTROL register bit fields */
 #define DMC_MEMCONTROL_CLK_STOP_DISABLE	(0 << 0)
 #define DMC_MEMCONTROL_DPWRDN_DISABLE	(0 << 1)
@@ -78,6 +52,7 @@
 
 /* MEMCONFIG0 register bit fields */
 #define DMC_MEMCONFIGX_CHIP_MAP_INTERLEAVED     (1 << 12)
+#define DMC_MEMCONFIG_CHIP_MAP_SPLIT		(2 << 12)
 #define DMC_MEMCONFIGX_CHIP_COL_10              (3 << 8)
 #define DMC_MEMCONFIGX_CHIP_ROW_14              (2 << 4)
 #define DMC_MEMCONFIGX_CHIP_ROW_15              (3 << 4)
@@ -90,6 +65,17 @@
 	DMC_MEMBASECONFIGX_CHIP_MASK(0x780)     \
 )
 
+/*
+ * As we use channel interleaving, therefore value of the base address
+ * register must be set as half of the bus base address
+ * RAM start addess is 0x2000_0000 which means chip_base is 0x20, so
+ * we need to set half 0x10 to the membaseconfigx registers
+ * see exynos5420 UM section 17.17.3.21 for more.
+ */
+#define DMC_CHIP_BASE_0 0x10
+#define DMC_CHIP_BASE_1 0x50
+#define DMC_CHIP_MASK	0x7C0
+
 #define DMC_MEMBASECONFIG0_VAL  DMC_MEMBASECONFIG_VAL(0x40)
 #define DMC_MEMBASECONFIG1_VAL  DMC_MEMBASECONFIG_VAL(0x80)
 
@@ -113,29 +99,24 @@
 
 /* COJCONTROL register bit fields */
 #define DMC_CONCONTROL_IO_PD_CON_DISABLE	(0 << 3)
+#define DMC_CONCONTROL_IO_PD_CON_ENABLE		(1 << 3)
 #define DMC_CONCONTROL_AREF_EN_DISABLE		(0 << 5)
+#define DMC_CONCONTROL_AREF_EN_ENABLE		(1 << 5)
 #define DMC_CONCONTROL_EMPTY_DISABLE		(0 << 8)
 #define DMC_CONCONTROL_EMPTY_ENABLE		(1 << 8)
 #define DMC_CONCONTROL_RD_FETCH_DISABLE		(0x0 << 12)
 #define DMC_CONCONTROL_TIMEOUT_LEVEL0		(0xFFF << 16)
 #define DMC_CONCONTROL_DFI_INIT_START_DISABLE	(0 << 28)
 
-/* CLK_DIV_CPU0_VAL */
-#define CLK_DIV_CPU0_VAL	((ARM2_RATIO << 28)             \
-				| (APLL_RATIO << 24)            \
-				| (PCLK_DBG_RATIO << 20)        \
-				| (ATB_RATIO << 16)             \
-				| (PERIPH_RATIO << 12)          \
-				| (ACP_RATIO << 8)              \
-				| (CPUD_RATIO << 4)             \
-				| (ARM_RATIO))
+#define DMC_CONCONTROL_VAL	0x1FFF2101
 
+#define DREX_CONCONTROL_VAL	DMC_CONCONTROL_VAL			\
+				| DMC_CONCONTROL_AREF_EN_ENABLE		\
+				| DMC_CONCONTROL_IO_PD_CON_ENABLE
 
-/* CLK_FSYS */
-#define CLK_SRC_FSYS0_VAL              0x66666
-#define CLK_DIV_FSYS0_VAL	       0x0BB00000
+#define DMC_CONCONTROL_IO_PD_CON(x)		(x << 6)
 
-/* CLK_DIV_CPU1	*/
+/* CLK_DIV_CPU1 */
 #define HPM_RATIO               0x2
 #define COPY_RATIO              0x0
 
@@ -164,10 +145,367 @@
 /* CLK_DIV_SYSLFT */
 #define CLK_DIV_SYSLFT_VAL      0x00000311
 
+#define MUX_APLL_SEL_MASK	(1 << 0)
+#define MUX_MPLL_SEL_MASK	(1 << 8)
+#define MPLL_SEL_MOUT_MPLLFOUT	(2 << 8)
+#define MUX_CPLL_SEL_MASK	(1 << 8)
+#define MUX_EPLL_SEL_MASK	(1 << 12)
+#define MUX_VPLL_SEL_MASK	(1 << 16)
+#define MUX_GPLL_SEL_MASK	(1 << 28)
+#define MUX_BPLL_SEL_MASK	(1 << 0)
+#define MUX_HPM_SEL_MASK	(1 << 20)
+#define HPM_SEL_SCLK_MPLL	(1 << 21)
+#define PLL_LOCKED		(1 << 29)
+#define APLL_CON0_LOCKED	(1 << 29)
+#define MPLL_CON0_LOCKED	(1 << 29)
+#define BPLL_CON0_LOCKED	(1 << 29)
+#define CPLL_CON0_LOCKED	(1 << 29)
+#define EPLL_CON0_LOCKED	(1 << 29)
+#define GPLL_CON0_LOCKED	(1 << 29)
+#define VPLL_CON0_LOCKED	(1 << 29)
+#define CLK_REG_DISABLE		0x0
+#define TOP2_VAL		0x0110000
+
+/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */
+#define SPI0_ISP_SEL		6
+#define SPI1_ISP_SEL		6
+#define SCLK_SRC_ISP_VAL	(SPI1_ISP_SEL << 4) \
+				| (SPI0_ISP_SEL << 0)
+
+/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */
+#define SPI0_ISP_RATIO		0xf
+#define SPI1_ISP_RATIO		0xf
+#define SCLK_DIV_ISP_VAL	(SPI1_ISP_RATIO << 12) \
+				| (SPI0_ISP_RATIO << 0)
+
+/* CLK_DIV_FSYS2 */
+#define MMC2_RATIO_MASK		0xf
+#define MMC2_RATIO_VAL		0x3
+#define MMC2_RATIO_OFFSET	0
+
+#define MMC2_PRE_RATIO_MASK	0xff
+#define MMC2_PRE_RATIO_VAL	0x9
+#define MMC2_PRE_RATIO_OFFSET	8
+
+#define MMC3_RATIO_MASK		0xf
+#define MMC3_RATIO_VAL		0x1
+#define MMC3_RATIO_OFFSET	16
+
+#define MMC3_PRE_RATIO_MASK	0xff
+#define MMC3_PRE_RATIO_VAL	0x0
+#define MMC3_PRE_RATIO_OFFSET	24
+
+/* CLK_SRC_LEX */
+#define CLK_SRC_LEX_VAL         0x0
+
+/* CLK_DIV_LEX */
+#define CLK_DIV_LEX_VAL         0x10
+
+/* CLK_DIV_R0X */
+#define CLK_DIV_R0X_VAL         0x10
+
+/* CLK_DIV_L0X */
+#define CLK_DIV_R1X_VAL         0x10
+
+/* CLK_DIV_ISP2 */
+#define CLK_DIV_ISP2_VAL        0x1
+
+/* CLK_SRC_KFC */
+#define SRC_KFC_HPM_SEL		(1 << 15)
+
+/* CLK_SRC_KFC */
+#define CLK_SRC_KFC_VAL		0x00008001
+
+/* CLK_DIV_KFC */
+#define CLK_DIV_KFC_VAL		0x03300110
+
+/* CLK_DIV2_RATIO */
+#define CLK_DIV2_RATIO		0x10111150
+
+/* CLK_DIV4_RATIO */
+#define CLK_DIV4_RATIO		0x00000003
+
+/* CLK_DIV_G2D */
+#define CLK_DIV_G2D		0x00000010
+
+/*
+ * DIV_DISP1_0
+ * For DP, divisor should be 2
+ */
+#define CLK_DIV_DISP1_0_FIMD1	(2 << 0)
+
+/* CLK_GATE_IP_DISP1 */
+#define CLK_GATE_DP1_ALLOW	(1 << 4)
+
+/* AUDIO CLK SEL */
+#define AUDIO0_SEL_EPLL		(0x6 << 28)
+#define AUDIO0_RATIO		0x5
+#define PCM0_RATIO		0x3
+#define DIV_MAU_VAL		(PCM0_RATIO << 24 | AUDIO0_RATIO << 20)
+
+/* CLK_SRC_CDREX */
+#define MUX_MCLK_CDR_MSPLL	(1 << 4)
+#define MUX_BPLL_SEL_FOUTBPLL   (1 << 0)
+#define BPLL_SEL_MASK   0x7
+#define FOUTBPLL        2
+
+#define DDR3PHY_CTRL_PHY_RESET	(1 << 0)
+#define DDR3PHY_CTRL_PHY_RESET_OFF	(0 << 0)
+
+#define PHY_CON0_RESET_VAL	0x17020a40
+#define P0_CMD_EN		(1 << 14)
+#define BYTE_RDLVL_EN		(1 << 13)
+#define CTRL_SHGATE		(1 << 8)
+
+#define PHY_CON1_RESET_VAL	0x09210100
+#define RDLVL_PASS_ADJ_VAL	0x6
+#define RDLVL_PASS_ADJ_OFFSET	16
+#define CTRL_GATEDURADJ_MASK	(0xf << 20)
+#define READ_LEVELLING_DDR3	0x0100
+
+#define PHY_CON2_RESET_VAL	0x00010004
+#define INIT_DESKEW_EN		(1 << 6)
+#define DLL_DESKEW_EN		(1 << 12)
+#define RDLVL_GATE_EN		(1 << 24)
+#define RDLVL_EN		(1 << 25)
+#define RDLVL_INCR_ADJ		(0x1 << 16)
+
+/* DREX_PAUSE */
+#define DREX_PAUSE_EN	(1 << 0)
+
+#define BYPASS_EN	(1 << 22)
+
+/* MEMMORY VAL */
+#define PHY_CON0_VAL	0x17021A00
+
+#define PHY_CON12_RESET_VAL	0x10100070
+#define PHY_CON12_VAL		0x10107F50
+#define CTRL_START		(1 << 6)
+#define CTRL_DLL_ON		(1 << 5)
+#define CTRL_FORCE_MASK		(0x7F << 8)
+#define CTRL_LOCK_COARSE_MASK	(0x7F << 10)
+
+#define CTRL_OFFSETD_RESET_VAL	0x8
+#define CTRL_OFFSETD_VAL	0x7F
+
+#define CTRL_OFFSETR0		0x7F
+#define CTRL_OFFSETR1		0x7F
+#define CTRL_OFFSETR2		0x7F
+#define CTRL_OFFSETR3		0x7F
+#define PHY_CON4_VAL	(CTRL_OFFSETR0 << 0 | \
+				CTRL_OFFSETR1 << 8 | \
+				CTRL_OFFSETR2 << 16 | \
+				CTRL_OFFSETR3 << 24)
+#define PHY_CON4_RESET_VAL	0x08080808
+
+#define CTRL_OFFSETW0		0x7F
+#define CTRL_OFFSETW1		0x7F
+#define CTRL_OFFSETW2		0x7F
+#define CTRL_OFFSETW3		0x7F
+#define PHY_CON6_VAL	(CTRL_OFFSETW0 << 0 | \
+				CTRL_OFFSETW1 << 8 | \
+				CTRL_OFFSETW2 << 16 | \
+				CTRL_OFFSETW3 << 24)
+#define PHY_CON6_RESET_VAL	0x08080808
+
+#define PHY_CON14_RESET_VAL	0x001F0000
+#define CTRL_PULLD_DQS		0xF
+#define CTRL_PULLD_DQS_OFFSET	0
+
+/* ZQ Configurations */
+#define PHY_CON16_RESET_VAL	0x08000304
+
+#define ZQ_CLK_EN		(1 << 27)
+#define ZQ_CLK_DIV_EN		(1 << 18)
+#define ZQ_MANUAL_STR		(1 << 1)
+#define ZQ_DONE			(1 << 0)
+#define ZQ_MODE_DDS_OFFSET	24
+
+#define CTRL_RDLVL_GATE_ENABLE	1
+#define CTRL_RDLVL_GATE_DISABLE	0
+#define CTRL_RDLVL_DATA_ENABLE	2
+
+/* Direct Command */
+#define DIRECT_CMD_NOP			0x07000000
+#define DIRECT_CMD_PALL			0x01000000
+#define DIRECT_CMD_ZQINIT		0x0a000000
+#define DIRECT_CMD_CHANNEL_SHIFT	28
+#define DIRECT_CMD_CHIP_SHIFT		20
+#define DIRECT_CMD_BANK_SHIFT		16
+#define DIRECT_CMD_REFA		(5 << 24)
+#define DIRECT_CMD_MRS1		0x71C00
+#define DIRECT_CMD_MRS2		0x10BFC
+#define DIRECT_CMD_MRS3		0x0050C
+#define DIRECT_CMD_MRS4		0x00868
+#define DIRECT_CMD_MRS5		0x00C04
+
+/* Drive Strength */
+#define IMPEDANCE_48_OHM	4
+#define IMPEDANCE_40_OHM	5
+#define IMPEDANCE_34_OHM	6
+#define IMPEDANCE_30_OHM	7
+#define PHY_CON39_VAL_48_OHM	0x09240924
+#define PHY_CON39_VAL_40_OHM	0x0B6D0B6D
+#define PHY_CON39_VAL_34_OHM	0x0DB60DB6
+#define PHY_CON39_VAL_30_OHM	0x0FFF0FFF
+
+#define CTRL_BSTLEN_OFFSET	8
+#define CTRL_RDLAT_OFFSET	0
+
+#define CMD_DEFAULT_LPDDR3	0xF
+#define CMD_DEFUALT_OFFSET	0
+#define T_WRDATA_EN		0x7
+#define T_WRDATA_EN_DDR3	0x8
+#define T_WRDATA_EN_OFFSET	16
+#define T_WRDATA_EN_MASK	0x1f
+
+#define PHY_CON31_VAL	0x0C183060
+#define PHY_CON32_VAL	0x60C18306
+#define PHY_CON33_VAL	0x00000030
+
+#define PHY_CON31_RESET_VAL	0x0
+#define PHY_CON32_RESET_VAL	0x0
+#define PHY_CON33_RESET_VAL	0x0
+
+#define SL_DLL_DYN_CON_EN	(1 << 1)
+#define FP_RESYNC	(1 << 3)
+#define CTRL_START	(1 << 6)
+
+#define DMC_AREF_EN		(1 << 5)
+#define DMC_CONCONTROL_EMPTY	(1 << 8)
+#define DFI_INIT_START		(1 << 28)
+
+#define DMC_MEMCONTROL_VAL	0x00312700
+#define CLK_STOP_EN		(1 << 0)
+#define DPWRDN_EN		(1 << 1)
+#define DSREF_EN		(1 << 5)
+
+#define MEMBASECONFIG_CHIP_MASK_VAL	0x7E0
+#define MEMBASECONFIG_CHIP_MASK_OFFSET	0
+#define MEMBASECONFIG0_CHIP_BASE_VAL	0x20
+#define MEMBASECONFIG1_CHIP_BASE_VAL	0x40
+#define CHIP_BASE_OFFSET		16
+
+#define MEMCONFIG_VAL	0x1323
+#define PRECHCONFIG_DEFAULT_VAL	0xFF000000
+#define PWRDNCONFIG_DEFAULT_VAL	0xFFFF00FF
+
+#define TIMINGAREF_VAL	0x5d
+#define TIMINGROW_VAL	0x345A8692
+#define TIMINGDATA_VAL	0x3630065C
+#define TIMINGPOWER_VAL	0x50380336
+#define DFI_INIT_COMPLETE	(1 << 3)
+
+#define BRBRSVCONTROL_VAL	0x00000033
+#define BRBRSVCONFIG_VAL	0x88778877
+
+/* Clock Gating Control (CGCONTROL) register */
+#define MEMIF_CG_EN	(1 << 3) /* Memory interface clock gating */
+#define SCG_CG_EN	(1 << 2) /* Scheduler clock gating */
+#define BUSIF_WR_CG_EN	(1 << 1) /* Bus interface write channel clock gating */
+#define BUSIF_RD_CG_EN	(1 << 0) /* Bus interface read channel clock gating */
+#define DMC_INTERNAL_CG	(MEMIF_CG_EN | SCG_CG_EN | \
+				 BUSIF_WR_CG_EN | BUSIF_RD_CG_EN)
+
+/* DMC PHY Control0 register */
+#define PHY_CONTROL0_RESET_VAL	0x0
+#define MEM_TERM_EN	(1 << 31)	/* Termination enable for memory */
+#define PHY_TERM_EN	(1 << 30)	/* Termination enable for PHY */
+#define DMC_CTRL_SHGATE	(1 << 29)	/* Duration of DQS gating signal */
+#define FP_RSYNC	(1 << 3)	/* Force DLL resyncronization */
+
+/* Driver strength for CK, CKE, CS & CA */
+#define IMP_OUTPUT_DRV_40_OHM	0x5
+#define IMP_OUTPUT_DRV_30_OHM	0x7
+#define DA_3_DS_OFFSET		25
+#define DA_2_DS_OFFSET		22
+#define DA_1_DS_OFFSET		19
+#define DA_0_DS_OFFSET		16
+#define CA_CK_DRVR_DS_OFFSET	9
+#define CA_CKE_DRVR_DS_OFFSET	6
+#define CA_CS_DRVR_DS_OFFSET	3
+#define CA_ADR_DRVR_DS_OFFSET	0
+
+#define PHY_CON42_CTRL_BSTLEN_SHIFT	8
+#define PHY_CON42_CTRL_RDLAT_SHIFT	0
+
+/*
+ * Definitions that differ with SoC's.
+ * Below is the part defining macros for smdk5250.
+ * Else part introduces macros for smdk5420.
+ */
+#ifndef CONFIG_SMDK5420
+
+/* APLL_CON1 */
+#define APLL_CON1_VAL	(0x00203800)
+
+/* MPLL_CON1 */
+#define MPLL_CON1_VAL   (0x00203800)
+
+/* CPLL_CON1 */
+#define CPLL_CON1_VAL	(0x00203800)
+
+/* DPLL_CON1 */
+#define DPLL_CON1_VAL	(NOT_AVAILABLE)
+
+/* GPLL_CON1 */
+#define GPLL_CON1_VAL	(0x00203800)
+
+/* EPLL_CON1, CON2 */
+#define EPLL_CON1_VAL	0x00000000
+#define EPLL_CON2_VAL	0x00000080
+
+/* VPLL_CON1, CON2 */
+#define VPLL_CON1_VAL	0x00000000
+#define VPLL_CON2_VAL	0x00000080
+
+/* RPLL_CON1, CON2 */
+#define RPLL_CON1_VAL	NOT_AVAILABLE
+#define RPLL_CON2_VAL	NOT_AVAILABLE
+
+/* BPLL_CON1 */
+#define BPLL_CON1_VAL	0x00203800
+
+/* SPLL_CON1 */
+#define SPLL_CON1_VAL	NOT_AVAILABLE
+
+/* IPLL_CON1 */
+#define IPLL_CON1_VAL	NOT_AVAILABLE
+
+/* KPLL_CON1 */
+#define KPLL_CON1_VAL	NOT_AVAILABLE
+
+/* CLK_SRC_ISP */
+#define CLK_SRC_ISP_VAL		NOT_AVAILABLE
+#define CLK_DIV_ISP0_VAL	0x31
+#define CLK_DIV_ISP1_VAL	0x0
+
+/* CLK_FSYS */
+#define CLK_SRC_FSYS0_VAL              0x66666
+#define CLK_DIV_FSYS0_VAL	       0x0BB00000
+#define CLK_DIV_FSYS1_VAL	       NOT_AVAILABLE
+#define CLK_DIV_FSYS2_VAL	       NOT_AVAILABLE
+
+/* CLK_SRC_CPU */
+/* 0 = MOUTAPLL,  1 = SCLKMPLL */
+#define MUX_HPM_SEL             0
+#define MUX_CPU_SEL             0
+#define MUX_APLL_SEL            1
+
+#define CLK_SRC_CPU_VAL		((MUX_HPM_SEL << 20)    \
+				| (MUX_CPU_SEL << 16)  \
+				| (MUX_APLL_SEL))
+
 /* CLK_SRC_CDREX */
 #define CLK_SRC_CDREX_VAL       0x1
 
 /* CLK_DIV_CDREX */
+#define CLK_DIV_CDREX0_VAL	NOT_AVAILABLE
+#define CLK_DIV_CDREX1_VAL	NOT_AVAILABLE
+
+/* CLK_DIV_CPU0_VAL */
+#define CLK_DIV_CPU0_VAL	NOT_AVAILABLE
+
 #define MCLK_CDREX2_RATIO       0x0
 #define ACLK_EFCON_RATIO        0x1
 #define MCLK_DPHY_RATIO		0x1
@@ -247,6 +585,11 @@
 				| (MUX_ACLK_300_DISP1_SUB_SEL << 6)     \
 				| (MUX_ACLK_200_DISP1_SUB_SEL << 4))
 
+#define CLK_SRC_TOP4_VAL	NOT_AVAILABLE
+#define CLK_SRC_TOP5_VAL	NOT_AVAILABLE
+#define CLK_SRC_TOP6_VAL	NOT_AVAILABLE
+#define CLK_SRC_TOP7_VAL	NOT_AVAILABLE
+
 /* CLK_DIV_TOP0	*/
 #define ACLK_300_DISP1_RATIO	0x2
 #define ACLK_400_G3D_RATIO	0x0
@@ -279,40 +622,11 @@
 				| (ACLK_400_IOP_RATIO << 16)		\
 				| (ACLK_300_GSCL_RATIO << 12))
 
-/* APLL_LOCK	*/
-#define APLL_LOCK_VAL	(0x546)
-/* MPLL_LOCK	*/
-#define MPLL_LOCK_VAL	(0x546)
-/* CPLL_LOCK	*/
-#define CPLL_LOCK_VAL	(0x546)
-/* GPLL_LOCK	*/
-#define GPLL_LOCK_VAL	(0x546)
-/* EPLL_LOCK	*/
-#define EPLL_LOCK_VAL	(0x3A98)
-/* VPLL_LOCK	*/
-#define VPLL_LOCK_VAL	(0x3A98)
-/* BPLL_LOCK	*/
-#define BPLL_LOCK_VAL	(0x546)
+#define CLK_DIV_TOP2_VAL	NOT_AVAILABLE
 
-#define MUX_APLL_SEL_MASK	(1 << 0)
-#define MUX_MPLL_SEL_MASK	(1 << 8)
-#define MPLL_SEL_MOUT_MPLLFOUT	(2 << 8)
-#define MUX_CPLL_SEL_MASK	(1 << 8)
-#define MUX_EPLL_SEL_MASK	(1 << 12)
-#define MUX_VPLL_SEL_MASK	(1 << 16)
-#define MUX_GPLL_SEL_MASK	(1 << 28)
-#define MUX_BPLL_SEL_MASK	(1 << 0)
-#define MUX_HPM_SEL_MASK	(1 << 20)
-#define HPM_SEL_SCLK_MPLL	(1 << 21)
-#define APLL_CON0_LOCKED	(1 << 29)
-#define MPLL_CON0_LOCKED	(1 << 29)
-#define BPLL_CON0_LOCKED	(1 << 29)
-#define CPLL_CON0_LOCKED	(1 << 29)
-#define EPLL_CON0_LOCKED	(1 << 29)
-#define GPLL_CON0_LOCKED	(1 << 29)
-#define VPLL_CON0_LOCKED	(1 << 29)
-#define CLK_REG_DISABLE		0x0
-#define TOP2_VAL		0x0110000
+/* PLL Lock Value Factor */
+#define PLL_LOCK_FACTOR		250
+#define PLL_X_LOCK_FACTOR	3000
 
 /* CLK_SRC_PERIC0 */
 #define PWM_SEL		6
@@ -336,18 +650,6 @@
 				| (SPI1_SEL << 20) \
 				| (SPI0_SEL << 16))
 
-/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */
-#define SPI0_ISP_SEL		6
-#define SPI1_ISP_SEL		6
-#define SCLK_SRC_ISP_VAL	(SPI1_ISP_SEL << 4) \
-				| (SPI0_ISP_SEL << 0)
-
-/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */
-#define SPI0_ISP_RATIO		0xf
-#define SPI1_ISP_RATIO		0xf
-#define SCLK_DIV_ISP_VAL	(SPI1_ISP_RATIO << 12) \
-				| (SPI0_ISP_RATIO << 0)
-
 /* CLK_DIV_PERIL0	*/
 #define UART5_RATIO	7
 #define UART4_RATIO	7
@@ -380,105 +682,201 @@
 #define PWM_RATIO		8
 #define CLK_DIV_PERIC3_VAL	(PWM_RATIO << 0)
 
-/* CLK_DIV_FSYS2 */
-#define MMC2_RATIO_MASK		0xf
-#define MMC2_RATIO_VAL		0x3
-#define MMC2_RATIO_OFFSET	0
 
-#define MMC2_PRE_RATIO_MASK	0xff
-#define MMC2_PRE_RATIO_VAL	0x9
-#define MMC2_PRE_RATIO_OFFSET	8
+/* CLK_DIV_PERIC4 */
+#define CLK_DIV_PERIC4_VAL	NOT_AVAILABLE
 
-#define MMC3_RATIO_MASK		0xf
-#define MMC3_RATIO_VAL		0x1
-#define MMC3_RATIO_OFFSET	16
+/* CLK_SRC_DISP1_0 */
+#define CLK_SRC_DISP1_0_VAL	0x6
+#define CLK_DIV_DISP1_0_VAL	NOT_AVAILABLE
 
-#define MMC3_PRE_RATIO_MASK	0xff
-#define MMC3_PRE_RATIO_VAL	0x0
-#define MMC3_PRE_RATIO_OFFSET	24
+#define APLL_FOUT		(1 << 0)
+#define KPLL_FOUT		NOT_AVAILABLE
 
-/* CLK_SRC_LEX */
-#define CLK_SRC_LEX_VAL         0x0
+#define CLK_DIV_CPERI1_VAL	NOT_AVAILABLE
 
-/* CLK_DIV_LEX */
-#define CLK_DIV_LEX_VAL         0x10
+#else
+#define PAD_RETENTION_DRAM_COREBLK_VAL	0x10000000
 
-/* CLK_DIV_R0X */
-#define CLK_DIV_R0X_VAL         0x10
+/* APLL_CON1 */
+#define APLL_CON1_VAL	(0x0020F300)
 
-/* CLK_DIV_L0X */
-#define CLK_DIV_R1X_VAL         0x10
+/* MPLL_CON1 */
+#define MPLL_CON1_VAL   (0x0020F300)
 
-/* CLK_DIV_ISP0 */
-#define CLK_DIV_ISP0_VAL        0x31
 
-/* CLK_DIV_ISP1 */
-#define CLK_DIV_ISP1_VAL        0x0
+/* CPLL_CON1 */
+#define CPLL_CON1_VAL	0x0020f300
 
-/* CLK_DIV_ISP2 */
-#define CLK_DIV_ISP2_VAL        0x1
+/* DPLL_CON1 */
+#define DPLL_CON1_VAL	(0x0020F300)
 
-/* CLK_SRC_DISP1_0 */
-#define CLK_SRC_DISP1_0_VAL	0x6
+/* GPLL_CON1 */
+#define GPLL_CON1_VAL	(NOT_AVAILABLE)
 
-/*
- * DIV_DISP1_0
- * For DP, divisor should be 2
- */
-#define CLK_DIV_DISP1_0_FIMD1	(2 << 0)
 
-/* CLK_GATE_IP_DISP1 */
-#define CLK_GATE_DP1_ALLOW	(1 << 4)
+/* EPLL_CON1, CON2 */
+#define EPLL_CON1_VAL	0x00000000
+#define EPLL_CON2_VAL	0x00000080
 
-#define DDR3PHY_CTRL_PHY_RESET	(1 << 0)
-#define DDR3PHY_CTRL_PHY_RESET_OFF	(0 << 0)
+/* VPLL_CON1, CON2 */
+#define VPLL_CON1_VAL	0x0020f300
+#define VPLL_CON2_VAL	NOT_AVAILABLE
 
-#define PHY_CON0_RESET_VAL	0x17020a40
-#define P0_CMD_EN		(1 << 14)
-#define BYTE_RDLVL_EN		(1 << 13)
-#define CTRL_SHGATE		(1 << 8)
+/* RPLL_CON1, CON2 */
+#define RPLL_CON1_VAL	0x00000000
+#define RPLL_CON2_VAL	0x00000080
 
-#define PHY_CON1_RESET_VAL	0x09210100
-#define CTRL_GATEDURADJ_MASK	(0xf << 20)
+/* BPLL_CON1 */
+#define BPLL_CON1_VAL	0x0020f300
 
-#define PHY_CON2_RESET_VAL	0x00010004
-#define INIT_DESKEW_EN		(1 << 6)
-#define RDLVL_GATE_EN		(1 << 24)
+/* SPLL_CON1 */
+#define SPLL_CON1_VAL	0x0020f300
 
-/*ZQ Configurations */
-#define PHY_CON16_RESET_VAL	0x08000304
+/* IPLL_CON1 */
+#define IPLL_CON1_VAL	0x00000080
 
-#define ZQ_CLK_DIV_EN		(1 << 18)
-#define ZQ_MANUAL_STR		(1 << 1)
-#define ZQ_DONE			(1 << 0)
+/* KPLL_CON1 */
+#define KPLL_CON1_VAL	0x200000
 
-#define CTRL_RDLVL_GATE_ENABLE	1
-#define CTRL_RDLVL_GATE_DISABLE	1
+/* CLK_SRC_ISP */
+#define CLK_SRC_ISP_VAL		0x33366000
+#define CLK_DIV_ISP0_VAL	0x13131300
+#define CLK_DIV_ISP1_VAL	0xbb110202
 
-/* Direct Command */
-#define DIRECT_CMD_NOP			0x07000000
-#define DIRECT_CMD_PALL			0x01000000
-#define DIRECT_CMD_ZQINIT		0x0a000000
-#define DIRECT_CMD_CHANNEL_SHIFT	28
-#define DIRECT_CMD_CHIP_SHIFT		20
 
-/* DMC PHY Control0 register */
-#define PHY_CONTROL0_RESET_VAL	0x0
-#define MEM_TERM_EN	(1 << 31)	/* Termination enable for memory */
-#define PHY_TERM_EN	(1 << 30)	/* Termination enable for PHY */
-#define DMC_CTRL_SHGATE	(1 << 29)	/* Duration of DQS gating signal */
-#define FP_RSYNC	(1 << 3)	/* Force DLL resyncronization */
+/* CLK_FSYS */
+#define CLK_SRC_FSYS0_VAL              0x33033300
+#define CLK_DIV_FSYS0_VAL	       0x0
+#define CLK_DIV_FSYS1_VAL	       0x04f13c4f
+#define CLK_DIV_FSYS2_VAL	       0x041d0000
+
+/* CLK_SRC_CPU */
+/* 0 = MOUTAPLL,  1 = SCLKMPLL */
+#define MUX_HPM_SEL             1
+#define MUX_CPU_SEL             0
+#define MUX_APLL_SEL            1
 
-/* Driver strength for CK, CKE, CS & CA */
-#define IMP_OUTPUT_DRV_40_OHM	0x5
-#define IMP_OUTPUT_DRV_30_OHM	0x7
-#define CA_CK_DRVR_DS_OFFSET	9
-#define CA_CKE_DRVR_DS_OFFSET	6
-#define CA_CS_DRVR_DS_OFFSET	3
-#define CA_ADR_DRVR_DS_OFFSET	0
+#define CLK_SRC_CPU_VAL		((MUX_HPM_SEL << 20)    \
+				| (MUX_CPU_SEL << 16)  \
+				| (MUX_APLL_SEL))
 
-#define PHY_CON42_CTRL_BSTLEN_SHIFT	8
-#define PHY_CON42_CTRL_RDLAT_SHIFT	0
+/* CLK_SRC_CDREX */
+#define CLK_SRC_CDREX_VAL       0x00000011
+
+/* CLK_DIV_CDREX */
+#define CLK_DIV_CDREX0_VAL	0x30010100
+#define CLK_DIV_CDREX1_VAL	0x300
+
+#define CLK_DIV_CDREX_VAL       0x17010100
+
+/* CLK_DIV_CPU0_VAL */
+#define CLK_DIV_CPU0_VAL	0x01440020
+
+/* CLK_SRC_TOP */
+#define CLK_SRC_TOP0_VAL	0x12221222
+#define CLK_SRC_TOP1_VAL	0x00100200
+#define CLK_SRC_TOP2_VAL	0x11101000
+#define CLK_SRC_TOP3_VAL	0x11111111
+#define CLK_SRC_TOP4_VAL	0x11110111
+#define CLK_SRC_TOP5_VAL	0x11111100
+#define CLK_SRC_TOP6_VAL	0x11110111
+#define CLK_SRC_TOP7_VAL	0x00022200
+
+/* CLK_DIV_TOP */
+#define CLK_DIV_TOP0_VAL	0x23712311
+#define CLK_DIV_TOP1_VAL	0x13100B00
+#define CLK_DIV_TOP2_VAL	0x11101100
+
+/* PLL Lock Value Factor */
+#define PLL_LOCK_FACTOR		200
+#define PLL_X_LOCK_FACTOR	3000
+
+/* CLK_SRC_PERIC0 */
+#define SPDIF_SEL	1
+#define PWM_SEL		3
+#define UART4_SEL	3
+#define UART3_SEL	3
+#define UART2_SEL	3
+#define UART1_SEL	3
+#define UART0_SEL	3
+/* SRC_CLOCK = SCLK_RPLL */
+#define CLK_SRC_PERIC0_VAL	((SPDIF_SEL << 28)	\
+				| (PWM_SEL << 24)	\
+				| (UART4_SEL << 20)	\
+				| (UART3_SEL << 16)	\
+				| (UART2_SEL << 12)	\
+				| (UART1_SEL << 8)	\
+				| (UART0_SEL << 4))
+
+/* CLK_SRC_PERIC1 */
+/* SRC_CLOCK = SCLK_EPLL */
+#define SPI0_SEL		6
+#define SPI1_SEL		6
+#define SPI2_SEL		6
+#define AUDIO0_SEL		6
+#define AUDIO1_SEL		6
+#define AUDIO2_SEL		6
+#define CLK_SRC_PERIC1_VAL	((SPI2_SEL << 28)	\
+				| (SPI1_SEL << 24)	\
+				| (SPI0_SEL << 20)	\
+				| (AUDIO2_SEL << 16)	\
+				| (AUDIO2_SEL << 12)	\
+				| (AUDIO2_SEL << 8))
+
+/* CLK_DIV_PERIC0 */
+#define PWM_RATIO	8
+#define UART4_RATIO	9
+#define UART3_RATIO	9
+#define UART2_RATIO	9
+#define UART1_RATIO	9
+#define UART0_RATIO	9
+
+#define CLK_DIV_PERIC0_VAL	((PWM_RATIO << 28)	\
+				| (UART4_RATIO << 24)	\
+				| (UART3_RATIO << 20)    \
+				| (UART2_RATIO << 16)    \
+				| (UART1_RATIO << 12)    \
+				| (UART0_RATIO << 8))
+/* CLK_DIV_PERIC1 */
+#define SPI2_RATIO		0x1
+#define SPI1_RATIO		0x1
+#define SPI0_RATIO		0x1
+#define CLK_DIV_PERIC1_VAL	((SPI2_RATIO << 28)	\
+				| (SPI1_RATIO << 24)	\
+				| (SPI0_RATIO << 20))
+
+/* CLK_DIV_PERIC2 */
+#define PCM2_RATIO		0x3
+#define PCM1_RATIO		0x3
+#define CLK_DIV_PERIC2_VAL	((PCM2_RATIO << 24) \
+				| (PCM1_RATIO << 16))
+
+/* CLK_DIV_PERIC3 */
+#define AUDIO2_RATIO		0x5
+#define AUDIO1_RATIO		0x5
+#define AUDIO0_RATIO		0x5
+#define CLK_DIV_PERIC3_VAL	((AUDIO2_RATIO << 28)	\
+				| (AUDIO1_RATIO << 24)	\
+				| (AUDIO0_RATIO << 20))
+
+/* CLK_DIV_PERIC4 */
+#define SPI2_PRE_RATIO		0x2
+#define SPI1_PRE_RATIO		0x2
+#define SPI0_PRE_RATIO		0x2
+#define CLK_DIV_PERIC4_VAL	((SPI2_PRE_RATIO << 24)	\
+				| (SPI1_PRE_RATIO << 16) \
+				| (SPI0_PRE_RATIO << 8))
+
+/* CLK_SRC_DISP1_0 */
+#define CLK_SRC_DISP1_0_VAL	0x10666600
+#define CLK_DIV_DISP1_0_VAL	0x01050211
+
+#define APLL_FOUT		(1 << 0)
+#define KPLL_FOUT		(1 << 0)
+
+#define CLK_DIV_CPERI1_VAL	0x3f3f0000
+#endif
 
 struct mem_timings;
 
@@ -490,7 +888,7 @@ enum {
 };
 
 /*
- * Memory variant specific initialization code
+ * Memory variant specific initialization code for DDR3
  *
  * @param mem		Memory timings for this memory type.
  * @param mem_iv_size	Memory interleaving size is a configurable parameter
@@ -503,49 +901,45 @@ enum {
 int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 			int reset);
 
+/* Memory variant specific initialization code for LPDDR3 */
+void lpddr3_mem_ctrl_init(void);
+
 /*
  * Configure ZQ I/O interface
  *
  * @param mem		Memory timings for this memory type.
- * @param phy0_ctrl	Pointer to struct containing PHY0 control reg
- * @param phy1_ctrl	Pointer to struct containing PHY1 control reg
+ * @param phy0_con16	Register address for dmc_phy0->phy_con16
+ * @param phy1_con16	Register address for dmc_phy1->phy_con16
+ * @param phy0_con17	Register address for dmc_phy0->phy_con17
+ * @param phy1_con17	Register address for dmc_phy1->phy_con17
  * @return 0 if ok, -1 on error
  */
-int dmc_config_zq(struct mem_timings *mem,
-		  struct exynos5_phy_control *phy0_ctrl,
-		  struct exynos5_phy_control *phy1_ctrl);
-
+int dmc_config_zq(struct mem_timings *mem, uint32_t *phy0_con16,
+			uint32_t *phy1_con16, uint32_t *phy0_con17,
+			uint32_t *phy1_con17);
 /*
  * Send NOP and MRS/EMRS Direct commands
  *
  * @param mem		Memory timings for this memory type.
- * @param dmc		Pointer to struct of DMC registers
+ * @param directcmd	Register address for dmc_phy->directcmd
  */
-void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc);
+void dmc_config_mrs(struct mem_timings *mem, uint32_t *directcmd);
 
 /*
  * Send PALL Direct commands
  *
  * @param mem		Memory timings for this memory type.
- * @param dmc		Pointer to struct of DMC registers
- */
-void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc);
-
-/*
- * Configure the memconfig and membaseconfig registers
- *
- * @param mem		Memory timings for this memory type.
- * @param exynos5_dmc	Pointer to struct of DMC registers
+ * @param directcmd	Register address for dmc_phy->directcmd
  */
-void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc);
+void dmc_config_prech(struct mem_timings *mem, uint32_t *directcmd);
 
 /*
  * Reset the DLL. This function is common between DDR3 and LPDDR2.
  * However, the reset value is different. So we are passing a flag
  * ddr_mode to distinguish between LPDDR2 and DDR3.
  *
- * @param exynos5_dmc	Pointer to struct of DMC registers
+ * @param phycontrol0	Register address for dmc_phy->phycontrol0
  * @param ddr_mode	Type of DDR memory
  */
-void update_reset_dll(struct exynos5_dmc *, enum ddr_mode);
+void update_reset_dll(uint32_t *phycontrol0, enum ddr_mode);
 #endif
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 74cc700..904177a 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -46,6 +46,42 @@ static void exynos5_uart_config(int peripheral)
 	}
 }
 
+static void exynos5420_uart_config(int peripheral)
+{
+	struct exynos5420_gpio_part1 *gpio1 =
+		(struct exynos5420_gpio_part1 *)samsung_get_base_gpio_part1();
+	struct s5p_gpio_bank *bank;
+	int i, start, count;
+
+	switch (peripheral) {
+	case PERIPH_ID_UART0:
+		bank = &gpio1->a0;
+		start = 0;
+		count = 4;
+		break;
+	case PERIPH_ID_UART1:
+		bank = &gpio1->a0;
+		start = 4;
+		count = 4;
+		break;
+	case PERIPH_ID_UART2:
+		bank = &gpio1->a1;
+		start = 0;
+		count = 4;
+		break;
+	case PERIPH_ID_UART3:
+		bank = &gpio1->a1;
+		start = 4;
+		count = 2;
+		break;
+	}
+
+	for (i = start; i < start + count; i++) {
+		s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
+		s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2));
+	}
+}
+
 static int exynos5_mmc_config(int peripheral, int flags)
 {
 	struct exynos5_gpio_part1 *gpio1 =
@@ -101,6 +137,75 @@ static int exynos5_mmc_config(int peripheral, int flags)
 	return 0;
 }
 
+static int exynos5420_mmc_config(int peripheral, int flags)
+{
+	struct exynos5420_gpio_part3 *gpio3 =
+		(struct exynos5420_gpio_part3 *)samsung_get_base_gpio_part3();
+	struct s5p_gpio_bank *bank = NULL, *bank_ext = NULL;
+	int i, start;
+
+	switch (peripheral) {
+	case PERIPH_ID_SDMMC0:
+		bank = &gpio3->c0;
+		bank_ext = &gpio3->c3;
+		start = 0;
+		break;
+	case PERIPH_ID_SDMMC1:
+		bank = &gpio3->c1;
+		bank_ext = &gpio3->d1;
+		start = 4;
+		break;
+	case PERIPH_ID_SDMMC2:
+		bank = &gpio3->c2;
+		bank_ext = NULL;
+		start = 0;
+		break;
+	default:
+		start = 0;
+		debug("%s: invalid peripheral %d", __func__, peripheral);
+		return -1;
+	}
+
+	if ((flags & PINMUX_FLAG_8BIT_MODE) && !bank_ext) {
+		debug("SDMMC device %d does not support 8bit mode",
+		      peripheral);
+		return -1;
+	}
+
+	if (flags & PINMUX_FLAG_8BIT_MODE) {
+		for (i = start; i <= (start + 3); i++) {
+			s5p_gpio_cfg_pin(bank_ext, i, GPIO_FUNC(0x2));
+			s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_UP);
+			s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
+		}
+	}
+
+	for (i = 0; i < 3; i++) {
+		/*
+		 * MMC0 is intended to be used for eMMC. The
+		 * card detect pin is used as a VDDEN signal to
+		 * power on the eMMC. The 5420 iROM makes
+		 * this same assumption.
+		 */
+		if ((peripheral == PERIPH_ID_SDMMC0) && (i == 2)) {
+			s5p_gpio_set_value(bank, i, 1);
+			s5p_gpio_cfg_pin(bank, i, GPIO_OUTPUT);
+		} else {
+			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);
+	}
+
+	for (i = 3; i <= 6; i++) {
+		s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2));
+		s5p_gpio_set_pull(bank, i, GPIO_PULL_UP);
+		s5p_gpio_set_drv(bank, i, GPIO_DRV_4X);
+	}
+
+	return 0;
+}
+
 static void exynos5_sromc_config(int flags)
 {
 	struct exynos5_gpio_part1 *gpio1 =
@@ -216,6 +321,59 @@ static void exynos5_i2c_config(int peripheral, int flags)
 	}
 }
 
+static void exynos5420_i2c_config(int peripheral)
+{
+	struct exynos5420_gpio_part1 *gpio1 =
+		(struct exynos5420_gpio_part1 *)samsung_get_base_gpio_part1();
+
+	switch (peripheral) {
+	case PERIPH_ID_I2C0:
+		s5p_gpio_cfg_pin(&gpio1->b3, 0, GPIO_FUNC(0x2));
+		s5p_gpio_cfg_pin(&gpio1->b3, 1, GPIO_FUNC(0x2));
+		break;
+	case PERIPH_ID_I2C1:
+		s5p_gpio_cfg_pin(&gpio1->b3, 2, GPIO_FUNC(0x2));
+		s5p_gpio_cfg_pin(&gpio1->b3, 3, GPIO_FUNC(0x2));
+		break;
+	case PERIPH_ID_I2C2:
+		s5p_gpio_cfg_pin(&gpio1->a0, 6, GPIO_FUNC(0x3));
+		s5p_gpio_cfg_pin(&gpio1->a0, 7, GPIO_FUNC(0x3));
+		break;
+	case PERIPH_ID_I2C3:
+		s5p_gpio_cfg_pin(&gpio1->a1, 2, GPIO_FUNC(0x3));
+		s5p_gpio_cfg_pin(&gpio1->a1, 3, GPIO_FUNC(0x3));
+		break;
+	case PERIPH_ID_I2C4:
+		s5p_gpio_cfg_pin(&gpio1->a2, 0, GPIO_FUNC(0x3));
+		s5p_gpio_cfg_pin(&gpio1->a2, 1, GPIO_FUNC(0x3));
+		break;
+	case PERIPH_ID_I2C5:
+		s5p_gpio_cfg_pin(&gpio1->a2, 2, GPIO_FUNC(0x3));
+		s5p_gpio_cfg_pin(&gpio1->a2, 3, GPIO_FUNC(0x3));
+		break;
+	case PERIPH_ID_I2C6:
+		s5p_gpio_cfg_pin(&gpio1->b1, 3, GPIO_FUNC(0x4));
+		s5p_gpio_cfg_pin(&gpio1->b1, 4, GPIO_FUNC(0x4));
+		break;
+	case PERIPH_ID_I2C7:
+		s5p_gpio_cfg_pin(&gpio1->b2, 2, GPIO_FUNC(0x3));
+		s5p_gpio_cfg_pin(&gpio1->b2, 3, GPIO_FUNC(0x3));
+		break;
+	case PERIPH_ID_I2C8:
+		s5p_gpio_cfg_pin(&gpio1->b3, 4, GPIO_FUNC(0x2));
+		s5p_gpio_cfg_pin(&gpio1->b3, 5, GPIO_FUNC(0x2));
+		break;
+	case PERIPH_ID_I2C9:
+		s5p_gpio_cfg_pin(&gpio1->b3, 6, GPIO_FUNC(0x2));
+		s5p_gpio_cfg_pin(&gpio1->b3, 7, GPIO_FUNC(0x2));
+		break;
+	case PERIPH_ID_I2C10:
+		s5p_gpio_cfg_pin(&gpio1->b4, 0, GPIO_FUNC(0x2));
+		s5p_gpio_cfg_pin(&gpio1->b4, 1, GPIO_FUNC(0x2));
+		break;
+	}
+}
+
 static void exynos5_i2s_config(int peripheral)
 {
 	int i;
@@ -279,6 +437,58 @@ void exynos5_spi_config(int peripheral)
 	}
 }
 
+void exynos5420_spi_config(int peripheral)
+{
+	int cfg, pin, i;
+	struct s5p_gpio_bank *bank = NULL;
+	struct exynos5420_gpio_part1 *gpio1 =
+		(struct exynos5420_gpio_part1 *)samsung_get_base_gpio_part1();
+	struct exynos5420_gpio_part4 *gpio4 =
+		(struct exynos5420_gpio_part4 *)samsung_get_base_gpio_part4();
+
+	switch (peripheral) {
+	case PERIPH_ID_SPI0:
+		bank = &gpio1->a2;
+		cfg = GPIO_FUNC(0x2);
+		pin = 0;
+		break;
+	case PERIPH_ID_SPI1:
+		bank = &gpio1->a2;
+		cfg = GPIO_FUNC(0x2);
+		pin = 4;
+		break;
+	case PERIPH_ID_SPI2:
+		bank = &gpio1->b1;
+		cfg = GPIO_FUNC(0x5);
+		pin = 1;
+		break;
+	case PERIPH_ID_SPI3:
+		bank = &gpio4->f1;
+		cfg = GPIO_FUNC(0x2);
+		pin = 0;
+		break;
+	case PERIPH_ID_SPI4:
+		cfg = 0;
+		pin = 0;
+		break;
+	default:
+		cfg = 0;
+		pin = 0;
+		debug("%s: invalid peripheral %d", __func__, peripheral);
+		return;
+	}
+
+	if (peripheral != PERIPH_ID_SPI4) {
+		for (i = pin; i < pin + 4; i++)
+			s5p_gpio_cfg_pin(bank, i, cfg);
+	} else {
+		for (i = 0; i < 2; i++) {
+			s5p_gpio_cfg_pin(&gpio4->f0, i + 2, GPIO_FUNC(0x4));
+			s5p_gpio_cfg_pin(&gpio4->e0, i + 4, GPIO_FUNC(0x4));
+		}
+	}
+}
+
 static int exynos5_pinmux_config(int peripheral, int flags)
 {
 	switch (peripheral) {
@@ -325,6 +535,48 @@ static int exynos5_pinmux_config(int peripheral, int flags)
 	return 0;
 }
 
+static int exynos5420_pinmux_config(int peripheral, int flags)
+{
+	switch (peripheral) {
+	case PERIPH_ID_UART0:
+	case PERIPH_ID_UART1:
+	case PERIPH_ID_UART2:
+	case PERIPH_ID_UART3:
+		exynos5420_uart_config(peripheral);
+		break;
+	case PERIPH_ID_SDMMC0:
+	case PERIPH_ID_SDMMC1:
+	case PERIPH_ID_SDMMC2:
+	case PERIPH_ID_SDMMC3:
+		return exynos5420_mmc_config(peripheral, flags);
+	case PERIPH_ID_SPI0:
+	case PERIPH_ID_SPI1:
+	case PERIPH_ID_SPI2:
+	case PERIPH_ID_SPI3:
+	case PERIPH_ID_SPI4:
+		exynos5420_spi_config(peripheral);
+		break;
+	case PERIPH_ID_I2C0:
+	case PERIPH_ID_I2C1:
+	case PERIPH_ID_I2C2:
+	case PERIPH_ID_I2C3:
+	case PERIPH_ID_I2C4:
+	case PERIPH_ID_I2C5:
+	case PERIPH_ID_I2C6:
+	case PERIPH_ID_I2C7:
+	case PERIPH_ID_I2C8:
+	case PERIPH_ID_I2C9:
+	case PERIPH_ID_I2C10:
+		exynos5420_i2c_config(peripheral);
+		break;
+	default:
+		debug("%s: invalid peripheral %d", __func__, peripheral);
+		return -1;
+	}
+
+	return 0;
+}
+
 static void exynos4_i2c_config(int peripheral, int flags)
 {
 	struct exynos4_gpio_part1 *gpio1 =
@@ -475,13 +727,17 @@ static int exynos4_pinmux_config(int peripheral, int flags)
 int exynos_pinmux_config(int peripheral, int flags)
 {
 	if (cpu_is_exynos5()) {
-		return exynos5_pinmux_config(peripheral, flags);
+		if (proid_is_exynos5420())
+			return exynos5420_pinmux_config(peripheral, flags);
+		else if (proid_is_exynos5250())
+			return exynos5_pinmux_config(peripheral, flags);
 	} else if (cpu_is_exynos4()) {
 		return exynos4_pinmux_config(peripheral, flags);
 	} else {
 		debug("pinmux functionality not supported\n");
-		return -1;
 	}
+
+	return -1;
 }
 
 #ifdef CONFIG_OF_CONTROL
diff --git a/arch/arm/dts/exynos5.dtsi b/arch/arm/dts/exynos5.dtsi
new file mode 100644
index 0000000..f8c8741
--- /dev/null
+++ b/arch/arm/dts/exynos5.dtsi
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2013 The Chromium OS Authors
+ * SAMSUNG EXYNOS5 SoC device tree source
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "samsung,exynos5";
+
+	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>;
+	};
+
+	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>;
+		};
+	};
+
+	tmu@10060000 {
+		compatible = "samsung,exynos-tmu";
+		reg = <0x10060000 0x10000>;
+	};
+
+	fimd@14400000 {
+		compatible = "samsung,exynos-fimd";
+		reg = <0x14400000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+
+	dp@145b0000 {
+		compatible = "samsung,exynos5-dp";
+		reg = <0x145b0000 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+
+	xhci0: xhci@12000000 {
+		compatible = "samsung,exynos5250-xhci";
+		reg = <0x12000000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		phy {
+			compatible = "samsung,exynos5250-usb3-phy";
+			reg = <0x12100000 0x100>;
+		};
+	};
+
+	mmc@12200000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5250-dwmmc";
+		reg = <0x12200000 0x1000>;
+		interrupts = <0 75 0>;
+	};
+
+	mmc@12210000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5250-dwmmc";
+		reg = <0x12210000 0x1000>;
+		interrupts = <0 76 0>;
+	};
+
+	mmc@12220000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5250-dwmmc";
+		reg = <0x12220000 0x1000>;
+		interrupts = <0 77 0>;
+	};
+
+	mmc@12230000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5250-dwmmc";
+		reg = <0x12230000 0x1000>;
+		interrupts = <0 78 0>;
+	};
+
+	serial@12C00000 {
+		compatible = "samsung,exynos4210-uart";
+		reg = <0x12C00000 0x100>;
+		interrupts = <0 51 0>;
+		id = <0>;
+	};
+
+	serial@12C10000 {
+		compatible = "samsung,exynos4210-uart";
+		reg = <0x12C10000 0x100>;
+		interrupts = <0 52 0>;
+		id = <1>;
+	};
+
+	serial@12C20000 {
+		compatible = "samsung,exynos4210-uart";
+		reg = <0x12C20000 0x100>;
+		interrupts = <0 53 0>;
+		id = <2>;
+	};
+
+	serial@12C30000 {
+		compatible = "samsung,exynos4210-uart";
+		reg = <0x12C30000 0x100>;
+		interrupts = <0 54 0>;
+		id = <3>;
+	};
+
+	gpio: gpio {
+	};
+};
diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi
index 31880eb..0c644e7 100644
--- a/arch/arm/dts/exynos5250.dtsi
+++ b/arch/arm/dts/exynos5250.dtsi
@@ -1,66 +1,13 @@
 /*
+ * (C) Copyright 2012 SAMSUNG Electronics
  * 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.
-*/
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
 
-/include/ "skeleton.dtsi"
+/include/ "exynos5.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>;
@@ -117,46 +64,6 @@
 		samsung,i2s-id = <1>;
 	};
 
-	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>;
-	};
 
 	xhci@12000000 {
 		compatible = "samsung,exynos5250-xhci";
@@ -170,97 +77,4 @@
 		};
 	};
 
-	ehci@12110000 {
-		compatible = "samsung,exynos-ehci";
-		reg = <0x12110000 0x100>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-
-		phy {
-			compatible = "samsung,exynos-usb-phy";
-			reg = <0x12130000 0x100>;
-		};
-	};
-
-	tmu@10060000 {
-		compatible = "samsung,exynos-tmu";
-		reg = <0x10060000 0x10000>;
-	};
-
-	fimd@14400000 {
-		compatible = "samsung,exynos-fimd";
-		reg = <0x14400000 0x10000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-	};
-
-	dp@145b0000 {
-		compatible = "samsung,exynos5-dp";
-		reg = <0x145b0000 0x1000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-	};
-
-	mmc@12200000 {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		compatible = "samsung,exynos5250-dwmmc";
-		reg = <0x12200000 0x1000>;
-		interrupts = <0 75 0>;
-	};
-
-	mmc@12210000 {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		compatible = "samsung,exynos5250-dwmmc";
-		reg = <0x12210000 0x1000>;
-		interrupts = <0 76 0>;
-	};
-
-	mmc@12220000 {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		compatible = "samsung,exynos5250-dwmmc";
-		reg = <0x12220000 0x1000>;
-		interrupts = <0 77 0>;
-	};
-
-	mmc@12230000 {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		compatible = "samsung,exynos5250-dwmmc";
-		reg = <0x12230000 0x1000>;
-		interrupts = <0 78 0>;
-	};
-
-	serial@12C00000 {
-		compatible = "samsung,exynos4210-uart";
-		reg = <0x12C00000 0x100>;
-		interrupts = <0 51 0>;
-		id = <0>;
-	};
-
-	serial@12C10000 {
-		compatible = "samsung,exynos4210-uart";
-		reg = <0x12C10000 0x100>;
-		interrupts = <0 52 0>;
-		id = <1>;
-	};
-
-	serial@12C20000 {
-		compatible = "samsung,exynos4210-uart";
-		reg = <0x12C20000 0x100>;
-		interrupts = <0 53 0>;
-		id = <2>;
-	};
-
-	serial@12C30000 {
-		compatible = "samsung,exynos4210-uart";
-		reg = <0x12C30000 0x100>;
-		interrupts = <0 54 0>;
-		id = <3>;
-	};
-
-	gpio: gpio {
-	};
 };
diff --git a/arch/arm/dts/exynos5420.dtsi b/arch/arm/dts/exynos5420.dtsi
new file mode 100644
index 0000000..02ead61
--- /dev/null
+++ b/arch/arm/dts/exynos5420.dtsi
@@ -0,0 +1,70 @@
+/*
+ * (C) Copyright 2013 SAMSUNG Electronics
+ * SAMSUNG EXYNOS5420 SoC device tree source
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/include/ "exynos5.dtsi"
+
+/ {
+	config {
+		machine-arch-id = <4151>;
+	};
+
+	i2c@12ca0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5-hsi2c";
+		reg = <0x12CA0000 0x100>;
+		interrupts = <0 60 0>;
+	};
+
+	i2c@12cb0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5-hsi2c";
+		reg = <0x12CB0000 0x100>;
+		interrupts = <0 61 0>;
+	};
+
+	i2c@12cc0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5-hsi2c";
+		reg = <0x12CC0000 0x100>;
+		interrupts = <0 62 0>;
+	};
+
+	i2c@12cd0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5-hsi2c";
+		reg = <0x12CD0000 0x100>;
+		interrupts = <0 63 0>;
+	};
+
+	i2c@12e00000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5-hsi2c";
+		reg = <0x12E00000 0x100>;
+		interrupts = <0 87 0>;
+	};
+
+	i2c@12e10000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5-hsi2c";
+		reg = <0x12E10000 0x100>;
+		interrupts = <0 88 0>;
+	};
+
+	i2c@12e20000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos5-hsi2c";
+		reg = <0x12E20000 0x100>;
+		interrupts = <0 203 0>;
+	};
+};
diff --git a/arch/arm/include/asm/arch-exynos/board.h b/arch/arm/include/asm/arch-exynos/board.h
new file mode 100644
index 0000000..243fb12
--- /dev/null
+++ b/arch/arm/include/asm/arch-exynos/board.h
@@ -0,0 +1,17 @@
+/*
+ * (C) Copyright 2013 Samsung Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _EXYNOS_BOARD_H
+#define _EXYNOS_BOARD_H
+
+/*
+ * Exynos baord specific changes for
+ * board_init
+ */
+int exynos_init(void);
+
+#endif	/* EXYNOS_BOARD_H */
diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h
index 1d6fa93..cdeef32 100644
--- a/arch/arm/include/asm/arch-exynos/clk.h
+++ b/arch/arm/include/asm/arch-exynos/clk.h
@@ -14,6 +14,7 @@
 #define HPLL	3
 #define VPLL	4
 #define BPLL	5
+#define RPLL	6
 
 enum pll_src_bit {
 	EXYNOS_SRC_MPLL = 6,
diff --git a/arch/arm/include/asm/arch-exynos/clock.h b/arch/arm/include/asm/arch-exynos/clock.h
index cf26eef..8259b92 100644
--- a/arch/arm/include/asm/arch-exynos/clock.h
+++ b/arch/arm/include/asm/arch-exynos/clock.h
@@ -858,6 +858,500 @@ struct exynos5_clock {
 	unsigned char	res123[0xf5d8];
 };
 
+struct exynos5420_clock {
+	unsigned int	apll_lock;			/* 0x10010000 */
+	unsigned char	res1[0xfc];
+	unsigned int	apll_con0;
+	unsigned int	apll_con1;
+	unsigned char	res2[0xf8];
+	unsigned int	src_cpu;
+	unsigned char	res3[0x1fc];
+	unsigned int	mux_stat_cpu;
+	unsigned char	res4[0xfc];
+	unsigned int	div_cpu0;		/* 0x10010500 */
+	unsigned int	div_cpu1;
+	unsigned char	res5[0xf8];
+	unsigned int	div_stat_cpu0;
+	unsigned int	div_stat_cpu1;
+	unsigned char	res6[0xf8];
+	unsigned int	gate_bus_cpu;
+	unsigned char	res7[0xfc];
+	unsigned int	gate_sclk_cpu;
+	unsigned char	res8[0x1fc];
+	unsigned int	clkout_cmu_cpu;		/* 0x10010a00 */
+	unsigned int	clkout_cmu_cpu_div_stat;
+	unsigned char	res9[0x5f8];
+	unsigned int	armclk_stopctrl;
+	unsigned char	res10[0x4];
+	unsigned int	arm_ema_ctrl;
+	unsigned int	arm_ema_status;
+	unsigned char	res11[0x10];
+	unsigned int	pwr_ctrl;
+	unsigned int	pwr_ctrl2;
+	unsigned char	res12[0xd8];
+	unsigned int	apll_con0_l8;		/* 0x1001100 */
+	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	res13[0xdc];
+	unsigned int	apll_con1_l8;		/* 0x10011200 */
+	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	res14[0xe0];
+	unsigned int	clkdiv_iem_l8;
+	unsigned int	clkdiv_iem_l7;		/* 0x10011304 */
+	unsigned int	clkdiv_iem_l6;
+	unsigned int	clkdiv_iem_l5;
+	unsigned int	clkdiv_iem_l4;
+	unsigned int	clkdiv_iem_l3;
+	unsigned int	clkdiv_iem_l2;
+	unsigned int	clkdiv_iem_l1;
+	unsigned char	res15[0xe0];
+	unsigned int	l2_status;
+	unsigned char	res16[0x0c];
+	unsigned int	cpu_status;		/* 0x10011410 */
+	unsigned char	res17[0x0c];
+	unsigned int	ptm_status;
+	unsigned char	res18[0xbdc];
+	unsigned int	cmu_cpu_spare0;
+	unsigned int	cmu_cpu_spare1;
+	unsigned int	cmu_cpu_spare2;
+	unsigned int	cmu_cpu_spare3;
+	unsigned int	cmu_cpu_spare4;
+	unsigned char	res19[0x1fdc];
+	unsigned int	cmu_cpu_version;
+	unsigned char	res20[0x20c];
+	unsigned int	src_cperi0;		/* 0x10014200 */
+	unsigned int	src_cperi1;
+	unsigned char	res21[0xf8];
+	unsigned int	src_mask_cperi;
+	unsigned char	res22[0x100];
+	unsigned int	mux_stat_cperi1;
+	unsigned char	res23[0xfc];
+	unsigned int	div_cperi1;
+	unsigned char	res24[0xfc];
+	unsigned int	div_stat_cperi1;
+	unsigned char	res25[0xf8];
+	unsigned int	gate_bus_cperi0;	/* 0x10014700 */
+	unsigned int	gate_bus_cperi1;
+	unsigned char	res26[0xf8];
+	unsigned int	gate_sclk_cperi;
+	unsigned char	res27[0xfc];
+	unsigned int	gate_ip_cperi;
+	unsigned char	res28[0xfc];
+	unsigned int	clkout_cmu_cperi;
+	unsigned int	clkout_cmu_cperi_div_stat;
+	unsigned char	res29[0x5f8];
+	unsigned int	dcgidx_map0;		/* 0x10015000 */
+	unsigned int	dcgidx_map1;
+	unsigned int	dcgidx_map2;
+	unsigned char	res30[0x14];
+	unsigned int	dcgperf_map0;
+	unsigned int	dcgperf_map1;
+	unsigned char	res31[0x18];
+	unsigned int	dvcidx_map;
+	unsigned char	res32[0x1c];
+	unsigned int	freq_cpu;
+	unsigned int	freq_dpm;
+	unsigned char	res33[0x18];
+	unsigned int	dvsemclk_en;		/* 0x10015080 */
+	unsigned int	maxperf;
+	unsigned char	res34[0x2e78];
+	unsigned int	cmu_cperi_spare0;
+	unsigned int	cmu_cperi_spare1;
+	unsigned int	cmu_cperi_spare2;
+	unsigned int	cmu_cperi_spare3;
+	unsigned int	cmu_cperi_spare4;
+	unsigned int	cmu_cperi_spare5;
+	unsigned int	cmu_cperi_spare6;
+	unsigned int	cmu_cperi_spare7;
+	unsigned int	cmu_cperi_spare8;
+	unsigned char	res35[0xcc];
+	unsigned int	cmu_cperi_version;		/* 0x10017ff0 */
+	unsigned char	res36[0x50c];
+	unsigned int	div_g2d;
+	unsigned char	res37[0xfc];
+	unsigned int	div_stat_g2d;
+	unsigned char	res38[0xfc];
+	unsigned int	gate_bus_g2d;
+	unsigned char	res39[0xfc];
+	unsigned int	gate_ip_g2d;
+	unsigned char	res40[0x1fc];
+	unsigned int	clkout_cmu_g2d;
+	unsigned int	clkout_cmu_g2d_div_stat;	/* 0x10018a04 */
+	unsigned char	res41[0xf8];
+	unsigned int	cmu_g2d_spare0;
+	unsigned int	cmu_g2d_spare1;
+	unsigned int	cmu_g2d_spare2;
+	unsigned int	cmu_g2d_spare3;
+	unsigned int	cmu_g2d_spare4;
+	unsigned char	res42[0x34dc];
+	unsigned int	cmu_g2d_version;
+	unsigned char	res43[0x30c];
+	unsigned int	div_cmu_isp0;
+	unsigned int	div_cmu_isp1;
+	unsigned int	div_isp2;		/* 0x1001c308 */
+	unsigned char	res44[0xf4];
+	unsigned int	div_stat_cmu_isp0;
+	unsigned int	div_stat_cmu_isp1;
+	unsigned int	div_stat_isp2;
+	unsigned char	res45[0x2f4];
+	unsigned int	gate_bus_isp0;
+	unsigned int	gate_bus_isp1;
+	unsigned int	gate_bus_isp2;
+	unsigned int	gate_bus_isp3;
+	unsigned char	res46[0xf0];
+	unsigned int	gate_ip_isp0;
+	unsigned int	gate_ip_isp1;
+	unsigned char	res47[0xf8];
+	unsigned int	gate_sclk_isp;
+	unsigned char	res48[0x0c];
+	unsigned int	mcuisp_pwr_ctrl;		/* 0x1001c910 */
+	unsigned char	res49[0x0ec];
+	unsigned int	clkout_cmu_isp;
+	unsigned int	clkout_cmu_isp_div_stat;
+	unsigned char	res50[0xf8];
+	unsigned int	cmu_isp_spare0;
+	unsigned int	cmu_isp_spare1;
+	unsigned int	cmu_isp_spare2;
+	unsigned int	cmu_isp_spare3;
+	unsigned char	res51[0x34e0];
+	unsigned int	cmu_isp_version;
+	unsigned char	res52[0x2c];
+	unsigned int	cpll_lock;			/* 10020020 */
+	unsigned char	res53[0xc];
+	unsigned int	dpll_lock;
+	unsigned char	res54[0xc];
+	unsigned int	epll_lock;
+	unsigned char	res55[0xc];
+	unsigned int	rpll_lock;
+	unsigned char	res56[0xc];
+	unsigned int	ipll_lock;
+	unsigned char	res57[0xc];
+	unsigned int	spll_lock;
+	unsigned char	res58[0xc];
+	unsigned int	vpll_lock;
+	unsigned char	res59[0xc];
+	unsigned int	mpll_lock;
+	unsigned char	res60[0x8c];
+	unsigned int	cpll_con0;			/* 10020120 */
+	unsigned int	cpll_con1;
+	unsigned int	dpll_con0;
+	unsigned int	dpll_con1;
+	unsigned int	epll_con0;
+	unsigned int	epll_con1;
+	unsigned int	epll_con2;
+	unsigned char	res601[0x4];
+	unsigned int	rpll_con0;
+	unsigned int	rpll_con1;
+	unsigned int	rpll_con2;
+	unsigned char	res602[0x4];
+	unsigned int	ipll_con0;
+	unsigned int	ipll_con1;
+	unsigned char	res61[0x8];
+	unsigned int	spll_con0;
+	unsigned int	spll_con1;
+	unsigned char	res62[0x8];
+	unsigned int	vpll_con0;
+	unsigned int	vpll_con1;
+	unsigned char	res63[0x8];
+	unsigned int	mpll_con0;
+	unsigned int	mpll_con1;
+	unsigned char	res64[0x78];
+	unsigned int	src_top0;		/* 0x10020200 */
+	unsigned int	src_top1;
+	unsigned int	src_top2;
+	unsigned int	src_top3;
+	unsigned int	src_top4;
+	unsigned int	src_top5;
+	unsigned int	src_top6;
+	unsigned int	src_top7;
+	unsigned char	res65[0xc];
+	unsigned int	src_disp10;		/* 0x1002022c */
+	unsigned char	res66[0x10];
+	unsigned int	src_mau;
+	unsigned int	src_fsys;
+	unsigned char	res67[0x8];
+	unsigned int	src_peric0;
+	unsigned int	src_peric1;
+	unsigned char	res68[0x18];
+	unsigned int	src_isp;
+	unsigned char	res69[0x0c];
+	unsigned int	src_top10;
+	unsigned int	src_top11;
+	unsigned int	src_top12;
+	unsigned char	res70[0x74];
+	unsigned int	src_mask_top0;
+	unsigned int	src_mask_top1;
+	unsigned int	src_mask_top2;
+	unsigned char	res71[0x10];
+	unsigned int	src_mask_top7;
+	unsigned char	res72[0xc];
+	unsigned int	src_mask_disp10;	/* 0x1002032c */
+	unsigned char	res73[0x4];
+	unsigned int	src_mask_mau;
+	unsigned char	res74[0x8];
+	unsigned int	src_mask_fsys;
+	unsigned char	res75[0xc];
+	unsigned int	src_mask_peric0;
+	unsigned int	src_mask_peric1;
+	unsigned char	res76[0x18];
+	unsigned int	src_mask_isp;
+	unsigned char	res77[0x8c];
+	unsigned int	mux_stat_top0;		/* 0x10020400 */
+	unsigned int	mux_stat_top1;
+	unsigned int	mux_stat_top2;
+	unsigned int	mux_stat_top3;
+	unsigned int	mux_stat_top4;
+	unsigned int	mux_stat_top5;
+	unsigned int	mux_stat_top6;
+	unsigned int	mux_stat_top7;
+	unsigned char	res78[0x60];
+	unsigned int	mux_stat_top10;
+	unsigned int	mux_stat_top11;
+	unsigned int	mux_stat_top12;
+	unsigned char	res79[0x74];
+	unsigned int	div_top0;		/* 0x10020500 */
+	unsigned int	div_top1;
+	unsigned int	div_top2;
+	unsigned char	res80[0x20];
+	unsigned int	div_disp10;
+	unsigned char	res81[0x14];
+	unsigned int	div_mau;
+	unsigned int	div_fsys0;
+	unsigned int	div_fsys1;
+	unsigned int	div_fsys2;
+	unsigned char	res82[0x4];
+	unsigned int	div_peric0;
+	unsigned int	div_peric1;
+	unsigned int	div_peric2;
+	unsigned int	div_peric3;
+	unsigned int	div_peric4;		/* 0x10020568 */
+	unsigned char	res83[0x14];
+	unsigned int	div_isp0;
+	unsigned int	div_isp1;
+	unsigned char	res84[0x8];
+	unsigned int	clkdiv2_ratio;
+	unsigned char	res850[0xc];
+	unsigned int	clkdiv4_ratio;
+	unsigned char	res85[0x5c];
+	unsigned int	div_stat_top0;
+	unsigned int	div_stat_top1;
+	unsigned int	div_stat_top2;
+	unsigned char	res86[0x20];
+	unsigned int	div_stat_disp10;
+	unsigned char	res87[0x14];
+	unsigned int	div_stat_mau;		/* 0x10020644 */
+	unsigned int	div_stat_fsys0;
+	unsigned int	div_stat_fsys1;
+	unsigned int	div_stat_fsys2;
+	unsigned char	res88[0x4];
+	unsigned int	div_stat_peric0;
+	unsigned int	div_stat_peric1;
+	unsigned int	div_stat_peric2;
+	unsigned int	div_stat_peric3;
+	unsigned int	div_stat_peric4;
+	unsigned char	res89[0x14];
+	unsigned int	div_stat_isp0;
+	unsigned int	div_stat_isp1;
+	unsigned char	res90[0x8];
+	unsigned int	clkdiv2_stat0;
+	unsigned char	res91[0xc];
+	unsigned int	clkdiv4_stat;
+	unsigned char	res92[0x5c];
+	unsigned int	gate_bus_top;		/* 0x10020700 */
+	unsigned char	res93[0xc];
+	unsigned int	gate_bus_gscl0;
+	unsigned char	res94[0xc];
+	unsigned int	gate_bus_gscl1;
+	unsigned char	res95[0x4];
+	unsigned int	gate_bus_disp1;
+	unsigned char	res96[0x4];
+	unsigned int	gate_bus_wcore;
+	unsigned int	gate_bus_mfc;
+	unsigned int	gate_bus_g3d;
+	unsigned int	gate_bus_gen;
+	unsigned int	gate_bus_fsys0;
+	unsigned int	gate_bus_fsys1;
+	unsigned int	gate_bus_fsys2;
+	unsigned int	gate_bus_mscl;
+	unsigned int	gate_bus_peric;
+	unsigned int	gate_bus_peric1;
+	unsigned char	res97[0x8];
+	unsigned int	gate_bus_peris0;
+	unsigned int	gate_bus_peris1;	/* 0x10020764 */
+	unsigned char	res98[0x8];
+	unsigned int	gate_bus_noc;
+	unsigned char	res99[0xac];
+	unsigned int	gate_top_sclk_gscl;
+	unsigned char	res1000[0x4];
+	unsigned int	gate_top_sclk_disp1;
+	unsigned char	res100[0x10];
+	unsigned int	gate_top_sclk_mau;
+	unsigned int	gate_top_sclk_fsys;
+	unsigned char	res101[0xc];
+	unsigned int	gate_top_sclk_peric;
+	unsigned char	res102[0xc];
+	unsigned int	gate_top_sclk_cperi;
+	unsigned char	res103[0xc];
+	unsigned int	gate_top_sclk_isp;
+	unsigned char	res104[0x9c];
+	unsigned int	gate_ip_gscl0;
+	unsigned char	res105[0xc];
+	unsigned int	gate_ip_gscl1;
+	unsigned char	res106[0x4];
+	unsigned int	gate_ip_disp1;
+	unsigned int	gate_ip_mfc;
+	unsigned int	gate_ip_g3d;
+	unsigned int	gate_ip_gen;		/* 0x10020934 */
+	unsigned char	res107[0xc];
+	unsigned int	gate_ip_fsys;
+	unsigned char	res108[0x8];
+	unsigned int	gate_ip_peric;
+	unsigned char	res109[0xc];
+	unsigned int	gate_ip_peris;
+	unsigned char	res110[0xc];
+	unsigned int	gate_ip_mscl;
+	unsigned char	res111[0xc];
+	unsigned int	gate_ip_block;
+	unsigned char	res112[0xc];
+	unsigned int	bypass;
+	unsigned char	res113[0x6c];
+	unsigned int	clkout_cmu_top;
+	unsigned int	clkout_cmu_top_div_stat;
+	unsigned char	res114[0xf8];
+	unsigned int	clkout_top_spare0;
+	unsigned int	clkout_top_spare1;
+	unsigned int	clkout_top_spare2;
+	unsigned int	clkout_top_spare3;
+	unsigned char	res115[0x34e0];
+	unsigned int	clkout_top_version;
+	unsigned char	res116[0xc01c];
+	unsigned int	bpll_lock;			/* 0x10030010 */
+	unsigned char	res117[0xfc];
+	unsigned int	bpll_con0;
+	unsigned int	bpll_con1;
+	unsigned char	res118[0xe8];
+	unsigned int	src_cdrex;
+	unsigned char	res119[0x1fc];
+	unsigned int	mux_stat_cdrex;
+	unsigned char	res120[0xfc];
+	unsigned int	div_cdrex0;
+	unsigned int	div_cdrex1;
+	unsigned char	res121[0xf8];
+	unsigned int	div_stat_cdrex;
+	unsigned char	res1211[0xfc];
+	unsigned int	gate_bus_cdrex;
+	unsigned int	gate_bus_cdrex1;
+	unsigned char	res122[0x1f8];
+	unsigned int	gate_ip_cdrex;
+	unsigned char	res123[0x10];
+	unsigned int	dmc_freq_ctrl;		/* 0x10030914 */
+	unsigned char	res124[0x4];
+	unsigned int	pause;
+	unsigned int	ddrphy_lock_ctrl;
+	unsigned char	res125[0xdc];
+	unsigned int	clkout_cmu_cdrex;
+	unsigned int	clkout_cmu_cdrex_div_stat;
+	unsigned char	res126[0x8];
+	unsigned int	lpddr3phy_ctrl;
+	unsigned int	lpddr3phy_con0;
+	unsigned int	lpddr3phy_con1;
+	unsigned int	lpddr3phy_con2;
+	unsigned int	lpddr3phy_con3;
+	unsigned int	lpddr3phy_con4;
+	unsigned int	lpddr3phy_con5;		/* 0x10030a28 */
+	unsigned int	pll_div2_sel;
+	unsigned char	res127[0xd0];
+	unsigned int	cmu_cdrex_spare0;
+	unsigned int	cmu_cdrex_spare1;
+	unsigned int	cmu_cdrex_spare2;
+	unsigned int	cmu_cdrex_spare3;
+	unsigned int	cmu_cdrex_spare4;
+	unsigned char	res128[0x34dc];
+	unsigned int	cmu_cdrex_version;		/* 0x10033ff0 */
+	unsigned char	res129[0x400c];
+	unsigned int	kpll_lock;
+	unsigned char	res130[0xfc];
+	unsigned int	kpll_con0;
+	unsigned int	kpll_con1;
+	unsigned char	res131[0xf8];
+	unsigned int	src_kfc;
+	unsigned char	res132[0x1fc];
+	unsigned int	mux_stat_kfc;		/* 0x10038400 */
+	unsigned char	res133[0xfc];
+	unsigned int	div_kfc0;
+	unsigned char	res134[0xfc];
+	unsigned int	div_stat_kfc0;
+	unsigned char	res135[0xfc];
+	unsigned int	gate_bus_cpu_kfc;
+	unsigned char	res136[0xfc];
+	unsigned int	gate_sclk_cpu_kfc;
+	unsigned char	res137[0x1fc];
+	unsigned int	clkout_cmu_kfc;
+	unsigned int	clkout_cmu_kfc_div_stat;	/* 0x10038a04 */
+	unsigned char	res138[0x5f8];
+	unsigned int	armclk_stopctrl_kfc;
+	unsigned char	res139[0x4];
+	unsigned int	armclk_ema_ctrl_kfc;
+	unsigned int	armclk_ema_status_kfc;
+	unsigned char	res140[0x10];
+	unsigned int	pwr_ctrl_kfc;
+	unsigned int	pwr_ctrl2_kfc;
+	unsigned char	res141[0xd8];
+	unsigned int	kpll_con0_l8;
+	unsigned int	kpll_con0_l7;
+	unsigned int	kpll_con0_l6;
+	unsigned int	kpll_con0_l5;
+	unsigned int	kpll_con0_l4;
+	unsigned int	kpll_con0_l3;
+	unsigned int	kpll_con0_l2;
+	unsigned int	kpll_con0_l1;
+	unsigned int	iem_control_kfc;		/* 0x10039120 */
+	unsigned char	res142[0xdc];
+	unsigned int	kpll_con1_l8;
+	unsigned int	kpll_con1_l7;
+	unsigned int	kpll_con1_l6;
+	unsigned int	kpll_con1_l5;
+	unsigned int	kpll_con1_l4;
+	unsigned int	kpll_con1_l3;
+	unsigned int	kpll_con1_l2;
+	unsigned int	kpll_con1_l1;
+	unsigned char	res143[0xe0];
+	unsigned int	clkdiv_iem_l8_kfc;		/* 0x10039300 */
+	unsigned int	clkdiv_iem_l7_kfc;
+	unsigned int	clkdiv_iem_l6_kfc;
+	unsigned int	clkdiv_iem_l5_kfc;
+	unsigned int	clkdiv_iem_l4_kfc;
+	unsigned int	clkdiv_iem_l3_kfc;
+	unsigned int	clkdiv_iem_l2_kfc;
+	unsigned int	clkdiv_iem_l1_kfc;
+	unsigned char	res144[0xe0];
+	unsigned int	l2_status_kfc;
+	unsigned char	res145[0xc];
+	unsigned int	cpu_status_kfc;		/* 0x10039410 */
+	unsigned char	res146[0xc];
+	unsigned int	ptm_status_kfc;
+	unsigned char	res147[0xbdc];
+	unsigned int	cmu_kfc_spare0;
+	unsigned int	cmu_kfc_spare1;
+	unsigned int	cmu_kfc_spare2;
+	unsigned int	cmu_kfc_spare3;
+	unsigned int	cmu_kfc_spare4;
+	unsigned char	res148[0x1fdc];
+	unsigned int	cmu_kfc_version;		/* 0x1003bff0 */
+};
+
 /* structure for epll configuration used in audio clock configuration */
 struct set_epll_con_val {
 	unsigned int freq_out;		/* frequency out */
diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h
index b4ef03e..573f755 100644
--- a/arch/arm/include/asm/arch-exynos/cpu.h
+++ b/arch/arm/include/asm/arch-exynos/cpu.h
@@ -53,6 +53,7 @@
 #define EXYNOS4_AUDIOSS_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS4_USB_HOST_XHCI_BASE	DEVICE_NOT_AVAILABLE
 #define EXYNOS4_USB3PHY_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS4_DMC_TZASC_BASE		DEVICE_NOT_AVAILABLE
 
 /* EXYNOS4X12 */
 #define EXYNOS4X12_GPIO_PART3_BASE	0x03860000
@@ -91,8 +92,9 @@
 #define EXYNOS4X12_AUDIOSS_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS4X12_USB_HOST_XHCI_BASE	DEVICE_NOT_AVAILABLE
 #define EXYNOS4X12_USB3PHY_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS4X12_DMC_TZASC_BASE	DEVICE_NOT_AVAILABLE
 
-/* EXYNOS5 Common*/
+/* EXYNOS5 */
 #define EXYNOS5_I2C_SPACING		0x10000
 
 #define EXYNOS5_AUDIOSS_BASE		0x03810000
@@ -129,6 +131,46 @@
 
 #define EXYNOS5_ADC_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS5_MODEM_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5_DMC_TZASC_BASE		DEVICE_NOT_AVAILABLE
+
+/* EXYNOS5420 */
+#define EXYNOS5420_AUDIOSS_BASE		0x03810000
+#define EXYNOS5420_GPIO_PART5_BASE	0x03860000
+#define EXYNOS5420_PRO_ID		0x10000000
+#define EXYNOS5420_CLOCK_BASE		0x10010000
+#define EXYNOS5420_POWER_BASE		0x10040000
+#define EXYNOS5420_SWRESET		0x10040400
+#define EXYNOS5420_SYSREG_BASE		0x10050000
+#define EXYNOS5420_TZPC_BASE		0x100E0000
+#define EXYNOS5420_WATCHDOG_BASE	0x101D0000
+#define EXYNOS5420_ACE_SFR_BASE		0x10830000
+#define EXYNOS5420_DMC_PHY_BASE		0x10C00000
+#define EXYNOS5420_DMC_CTRL_BASE	0x10C20000
+#define EXYNOS5420_DMC_TZASC_BASE	0x10D40000
+#define EXYNOS5420_USB_HOST_EHCI_BASE	0x12110000
+#define EXYNOS5420_MMC_BASE		0x12200000
+#define EXYNOS5420_SROMC_BASE		0x12250000
+#define EXYNOS5420_UART_BASE		0x12C00000
+#define EXYNOS5420_I2C_BASE		0x12C60000
+#define EXYNOS5420_I2C_8910_BASE	0x12E00000
+#define EXYNOS5420_SPI_BASE		0x12D20000
+#define EXYNOS5420_I2S_BASE		0x12D60000
+#define EXYNOS5420_PWMTIMER_BASE	0x12DD0000
+#define EXYNOS5420_SPI_ISP_BASE		0x131A0000
+#define EXYNOS5420_GPIO_PART2_BASE	0x13400000
+#define EXYNOS5420_GPIO_PART3_BASE	0x13410000
+#define EXYNOS5420_GPIO_PART4_BASE	0x14000000
+#define EXYNOS5420_GPIO_PART1_BASE	0x14010000
+#define EXYNOS5420_MIPI_DSIM_BASE	0x14500000
+#define EXYNOS5420_DP_BASE		0x145B0000
+
+#define EXYNOS5420_USBPHY_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_USBOTG_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_FIMD_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_ADC_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_MODEM_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_USB3PHY_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_USB_HOST_XHCI_BASE	DEVICE_NOT_AVAILABLE
 
 #ifndef __ASSEMBLY__
 #include <asm/io.h>
@@ -163,6 +205,10 @@ static inline void s5p_set_cpu_id(void)
 		/* Exynos5250 */
 		s5p_cpu_id = 0x5250;
 		break;
+	case 0x420:
+		/* Exynos5420 */
+		s5p_cpu_id = 0x5420;
+		break;
 	}
 }
 
@@ -190,6 +236,7 @@ static inline int __attribute__((no_instrument_function)) \
 IS_EXYNOS_TYPE(exynos4210, 0x4210)
 IS_EXYNOS_TYPE(exynos4412, 0x4412)
 IS_EXYNOS_TYPE(exynos5250, 0x5250)
+IS_EXYNOS_TYPE(exynos5420, 0x5420)
 
 #define SAMSUNG_BASE(device, base)				\
 static inline unsigned int __attribute__((no_instrument_function)) \
@@ -200,6 +247,8 @@ static inline unsigned int __attribute__((no_instrument_function)) \
 			return EXYNOS4X12_##base;		\
 		return EXYNOS4_##base;				\
 	} else if (cpu_is_exynos5()) {				\
+		if (proid_is_exynos5420())			\
+			return EXYNOS5420_##base;		\
 		return EXYNOS5_##base;				\
 	}							\
 	return 0;						\
@@ -237,6 +286,7 @@ SAMSUNG_BASE(spi_isp, SPI_ISP_BASE)
 SAMSUNG_BASE(tzpc, TZPC_BASE)
 SAMSUNG_BASE(dmc_ctrl, DMC_CTRL_BASE)
 SAMSUNG_BASE(dmc_phy, DMC_PHY_BASE)
+SAMSUNG_BASE(dmc_tzasc, DMC_TZASC_BASE)
 SAMSUNG_BASE(audio_ass, AUDIOSS_BASE)
 #endif
 
diff --git a/arch/arm/include/asm/arch-exynos/dmc.h b/arch/arm/include/asm/arch-exynos/dmc.h
index f65c676..d78536d 100644
--- a/arch/arm/include/asm/arch-exynos/dmc.h
+++ b/arch/arm/include/asm/arch-exynos/dmc.h
@@ -205,6 +205,127 @@ struct exynos5_dmc {
 	unsigned int pmcnt3_ppc_a;
 };
 
+struct exynos5420_dmc {
+	unsigned int concontrol;
+	unsigned int memcontrol;
+	unsigned int cgcontrol;
+	unsigned char res500[0x4];
+	unsigned int directcmd;
+	unsigned int prechconfig0;
+	unsigned int phycontrol0;
+	unsigned int prechconfig1;
+	unsigned char res1[0x8];
+	unsigned int pwrdnconfig;
+	unsigned int timingpzq;
+	unsigned int timingref;
+	unsigned int timingrow0;
+	unsigned int timingdata0;
+	unsigned int timingpower0;
+	unsigned int phystatus;
+	unsigned int etctiming;
+	unsigned int chipstatus;
+	unsigned char res3[0x8];
+	unsigned int mrstatus;
+	unsigned char res4[0x8];
+	unsigned int qoscontrol0;
+	unsigned char resr5[0x4];
+	unsigned int qoscontrol1;
+	unsigned char res6[0x4];
+	unsigned int qoscontrol2;
+	unsigned char res7[0x4];
+	unsigned int qoscontrol3;
+	unsigned char res8[0x4];
+	unsigned int qoscontrol4;
+	unsigned char res9[0x4];
+	unsigned int qoscontrol5;
+	unsigned char res10[0x4];
+	unsigned int qoscontrol6;
+	unsigned char res11[0x4];
+	unsigned int qoscontrol7;
+	unsigned char res12[0x4];
+	unsigned int qoscontrol8;
+	unsigned char res13[0x4];
+	unsigned int qoscontrol9;
+	unsigned char res14[0x4];
+	unsigned int qoscontrol10;
+	unsigned char res15[0x4];
+	unsigned int qoscontrol11;
+	unsigned char res16[0x4];
+	unsigned int qoscontrol12;
+	unsigned char res17[0x4];
+	unsigned int qoscontrol13;
+	unsigned char res18[0x4];
+	unsigned int qoscontrol14;
+	unsigned char res19[0x4];
+	unsigned int qoscontrol15;
+	unsigned char res20[0x4];
+	unsigned int timing_set_sw;
+	unsigned int timingrow1;
+	unsigned int timingdata1;
+	unsigned int timingpower1;
+	unsigned char res300[0x4];
+	unsigned int wrtra_config;
+	unsigned int rdlvl_config;
+	unsigned char res21[0x4];
+	unsigned int brbrsvcontrol;
+	unsigned int brbrsvconfig;
+	unsigned int brbqosconfig;
+	unsigned char res301[0x14];
+	unsigned int wrlvl_config0;
+	unsigned int wrlvl_config1;
+	unsigned int wrlvl_status;
+	unsigned char res23[0x4];
+	unsigned int ppcclockon;
+	unsigned int perevconfig0;
+	unsigned int perevconfig1;
+	unsigned int perevconfig2;
+	unsigned int perevconfig3;
+	unsigned char res24[0xc];
+	unsigned int control_io_rdata;
+	unsigned char res240[0xc];
+	unsigned int cacal_config0;
+	unsigned int cacal_config1;
+	unsigned int cacal_status;
+	unsigned char res302[0xa4];
+	unsigned int bp_control0;
+	unsigned int bp_config0_r;
+	unsigned int bp_config0_w;
+	unsigned char res303[0x4];
+	unsigned int bp_control1;
+	unsigned int bp_config1_r;
+	unsigned int bp_config1_w;
+	unsigned char res304[0x4];
+	unsigned int bp_control2;
+	unsigned int bp_config2_r;
+	unsigned int bp_config2_w;
+	unsigned char res305[0x4];
+	unsigned int bp_control3;
+	unsigned int bp_config3_r;
+	unsigned int bp_config3_w;
+	unsigned char res306[0xddb4];
+	unsigned int pmnc_ppc;
+	unsigned char res25[0xc];
+	unsigned int cntens_ppc;
+	unsigned char res26[0xc];
+	unsigned int cntenc_ppc;
+	unsigned char res27[0xc];
+	unsigned int intens_ppc;
+	unsigned char res28[0xc];
+	unsigned int intenc_ppc;
+	unsigned char res29[0xc];
+	unsigned int flag_ppc;
+	unsigned char res30[0xac];
+	unsigned int ccnt_ppc;
+	unsigned char res31[0xc];
+	unsigned int pmcnt0_ppc;
+	unsigned char res32[0xc];
+	unsigned int pmcnt1_ppc;
+	unsigned char res33[0xc];
+	unsigned int pmcnt2_ppc;
+	unsigned char res34[0xc];
+	unsigned int pmcnt3_ppc;
+};
+
 struct exynos5_phy_control {
 	unsigned int phy_con0;
 	unsigned int phy_con1;
@@ -252,6 +373,61 @@ struct exynos5_phy_control {
 	unsigned int phy_con42;
 };
 
+struct exynos5420_phy_control {
+	unsigned int phy_con0;
+	unsigned int phy_con1;
+	unsigned int phy_con2;
+	unsigned int phy_con3;
+	unsigned int phy_con4;
+	unsigned int phy_con5;
+	unsigned int phy_con6;
+	unsigned char res2[0x4];
+	unsigned int phy_con8;
+	unsigned char res5[0x4];
+	unsigned int phy_con10;
+	unsigned int phy_con11;
+	unsigned int phy_con12;
+	unsigned int phy_con13;
+	unsigned int phy_con14;
+	unsigned int phy_con15;
+	unsigned int phy_con16;
+	unsigned char res4[0x4];
+	unsigned int phy_con17;
+	unsigned int phy_con18;
+	unsigned int phy_con19;
+	unsigned int phy_con20;
+	unsigned int phy_con21;
+	unsigned int phy_con22;
+	unsigned int phy_con23;
+	unsigned int phy_con24;
+	unsigned int phy_con25;
+	unsigned int phy_con26;
+	unsigned int phy_con27;
+	unsigned int phy_con28;
+	unsigned int phy_con29;
+	unsigned int phy_con30;
+	unsigned int phy_con31;
+	unsigned int phy_con32;
+	unsigned int phy_con33;
+	unsigned int phy_con34;
+	unsigned char res6[0x8];
+	unsigned int phy_con37;
+	unsigned char res7[0x4];
+	unsigned int phy_con39;
+	unsigned int phy_con40;
+	unsigned int phy_con41;
+	unsigned int phy_con42;
+};
+
+struct exynos5420_tzasc {
+	unsigned char res1[0xf00];
+	unsigned int membaseconfig0;
+	unsigned int membaseconfig1;
+	unsigned char res2[0x8];
+	unsigned int memconfig0;
+	unsigned int memconfig1;
+};
+
 enum ddr_mode {
 	DDR_MODE_DDR2,
 	DDR_MODE_DDR3,
@@ -286,6 +462,7 @@ enum mem_manuf {
 #define PHY_CON0_T_WRRDCMD_SHIFT	17
 #define PHY_CON0_T_WRRDCMD_MASK		(0x7 << PHY_CON0_T_WRRDCMD_SHIFT)
 #define PHY_CON0_CTRL_DDR_MODE_SHIFT	11
+#define PHY_CON0_CTRL_DDR_MODE_MASK	0x3
 
 /* PHY_CON1 register fields */
 #define PHY_CON1_RDLVL_RDDATA_ADJ_SHIFT	0
diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h
index a1a7439..2a19852 100644
--- a/arch/arm/include/asm/arch-exynos/gpio.h
+++ b/arch/arm/include/asm/arch-exynos/gpio.h
@@ -127,6 +127,58 @@ struct exynos4x12_gpio_part4 {
 	struct s5p_gpio_bank v4;
 };
 
+struct exynos5420_gpio_part1 {
+	struct s5p_gpio_bank a0;
+	struct s5p_gpio_bank a1;
+	struct s5p_gpio_bank a2;
+	struct s5p_gpio_bank b0;
+	struct s5p_gpio_bank b1;
+	struct s5p_gpio_bank b2;
+	struct s5p_gpio_bank b3;
+	struct s5p_gpio_bank b4;
+	struct s5p_gpio_bank h0;
+};
+
+struct exynos5420_gpio_part2 {
+	struct s5p_gpio_bank y7; /* 0x1340_0000 */
+	struct s5p_gpio_bank res[0x5f]; /*  */
+	struct s5p_gpio_bank x0; /* 0x1340_0C00 */
+	struct s5p_gpio_bank x1; /* 0x1340_0C20 */
+	struct s5p_gpio_bank x2; /* 0x1340_0C40 */
+	struct s5p_gpio_bank x3; /* 0x1340_0C60 */
+};
+
+struct exynos5420_gpio_part3 {
+	struct s5p_gpio_bank c0;
+	struct s5p_gpio_bank c1;
+	struct s5p_gpio_bank c2;
+	struct s5p_gpio_bank c3;
+	struct s5p_gpio_bank c4;
+	struct s5p_gpio_bank d1;
+	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 exynos5420_gpio_part4 {
+	struct s5p_gpio_bank e0; /* 0x1400_0000 */
+	struct s5p_gpio_bank e1; /* 0x1400_0020 */
+	struct s5p_gpio_bank f0; /* 0x1400_0040 */
+	struct s5p_gpio_bank f1; /* 0x1400_0060 */
+	struct s5p_gpio_bank g0; /* 0x1400_0080 */
+	struct s5p_gpio_bank g1; /* 0x1400_00A0 */
+	struct s5p_gpio_bank g2; /* 0x1400_00C0 */
+	struct s5p_gpio_bank j4; /* 0x1400_00E0 */
+};
+
+struct exynos5420_gpio_part5 {
+	struct s5p_gpio_bank z0; /* 0x0386_0000 */
+};
+
 struct exynos5_gpio_part1 {
 	struct s5p_gpio_bank a0;
 	struct s5p_gpio_bank a1;
@@ -259,16 +311,67 @@ void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
 	    - EXYNOS5_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \
 	  * GPIO_PER_BANK) + pin) + EXYNOS5_GPIO_PART2_MAX)
 
+
+/* EXYNOS5420 */
+#define exynos5420_gpio_part1_get_nr(bank, pin) \
+	((((((unsigned int) &(((struct exynos5420_gpio_part1 *)\
+			       EXYNOS5420_GPIO_PART1_BASE)->bank)) \
+	    - EXYNOS5420_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
+	  * GPIO_PER_BANK) + pin)
+
+#define EXYNOS5420_GPIO_PART1_MAX ((sizeof(struct exynos5420_gpio_part1) \
+			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
+
+#define exynos5420_gpio_part2_get_nr(bank, pin) \
+	(((((((unsigned int) &(((struct exynos5420_gpio_part2 *)\
+				EXYNOS5420_GPIO_PART2_BASE)->bank)) \
+	    - EXYNOS5420_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
+	  * GPIO_PER_BANK) + pin) + EXYNOS5420_GPIO_PART1_MAX)
+
+#define EXYNOS5420_GPIO_PART2_MAX ((sizeof(struct exynos5420_gpio_part2) \
+			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
+
+#define exynos5420_gpio_part3_get_nr(bank, pin) \
+	(((((((unsigned int) &(((struct exynos5420_gpio_part3 *)\
+				EXYNOS5420_GPIO_PART3_BASE)->bank)) \
+	    - EXYNOS5420_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \
+	  * GPIO_PER_BANK) + pin) + EXYNOS5420_GPIO_PART2_MAX)
+
+#define EXYNOS5420_GPIO_PART3_MAX ((sizeof(struct exynos5420_gpio_part3) \
+			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
+
+#define exynos5420_gpio_part4_get_nr(bank, pin) \
+	(((((((unsigned int) &(((struct exynos5420_gpio_part4 *)\
+				EXYNOS5420_GPIO_PART4_BASE)->bank)) \
+	    - EXYNOS5420_GPIO_PART4_BASE) / sizeof(struct s5p_gpio_bank)) \
+	  * GPIO_PER_BANK) + pin) + EXYNOS5420_GPIO_PART3_MAX)
+
+#define EXYNOS5420_GPIO_PART4_MAX ((sizeof(struct exynos5420_gpio_part4) \
+			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
+
+#define EXYNOS5420_GPIO_PART5_MAX ((sizeof(struct exynos5420_gpio_part5) \
+			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
+
 static inline unsigned int s5p_gpio_base(int nr)
 {
 	if (cpu_is_exynos5()) {
-		if (nr < EXYNOS5_GPIO_PART1_MAX)
-			return EXYNOS5_GPIO_PART1_BASE;
-		else if (nr < EXYNOS5_GPIO_PART2_MAX)
-			return EXYNOS5_GPIO_PART2_BASE;
-		else
-			return EXYNOS5_GPIO_PART3_BASE;
-
+		if (proid_is_exynos5420()) {
+			if (nr < EXYNOS5420_GPIO_PART1_MAX)
+				return EXYNOS5420_GPIO_PART1_BASE;
+			else if (nr < EXYNOS5420_GPIO_PART2_MAX)
+				return EXYNOS5420_GPIO_PART2_BASE;
+			else if (nr < EXYNOS5420_GPIO_PART3_MAX)
+				return EXYNOS5420_GPIO_PART3_BASE;
+			else
+				return EXYNOS5420_GPIO_PART4_BASE;
+		} else {
+			if (nr < EXYNOS5_GPIO_PART1_MAX)
+				return EXYNOS5_GPIO_PART1_BASE;
+			else if (nr < EXYNOS5_GPIO_PART2_MAX)
+				return EXYNOS5_GPIO_PART2_BASE;
+			else
+				return EXYNOS5_GPIO_PART3_BASE;
+		}
 	} else if (cpu_is_exynos4()) {
 		if (nr < EXYNOS4_GPIO_PART1_MAX)
 			return EXYNOS4_GPIO_PART1_BASE;
@@ -282,13 +385,25 @@ static inline unsigned int s5p_gpio_base(int nr)
 static inline unsigned int s5p_gpio_part_max(int nr)
 {
 	if (cpu_is_exynos5()) {
-		if (nr < EXYNOS5_GPIO_PART1_MAX)
-			return 0;
-		else if (nr < EXYNOS5_GPIO_PART2_MAX)
-			return EXYNOS5_GPIO_PART1_MAX;
-		else
-			return EXYNOS5_GPIO_PART2_MAX;
-
+		if (proid_is_exynos5420()) {
+			if (nr < EXYNOS5420_GPIO_PART1_MAX)
+				return 0;
+			else if (nr < EXYNOS5420_GPIO_PART2_MAX)
+				return EXYNOS5420_GPIO_PART1_MAX;
+			else if (nr < EXYNOS5420_GPIO_PART3_MAX)
+				return EXYNOS5420_GPIO_PART2_MAX;
+			else if (nr < EXYNOS5420_GPIO_PART4_MAX)
+				return EXYNOS5420_GPIO_PART3_MAX;
+			else
+				return EXYNOS5420_GPIO_PART4_MAX;
+		} else {
+			if (nr < EXYNOS5_GPIO_PART1_MAX)
+				return 0;
+			else if (nr < EXYNOS5_GPIO_PART2_MAX)
+				return EXYNOS5_GPIO_PART1_MAX;
+			else
+				return EXYNOS5_GPIO_PART2_MAX;
+		}
 	} else if (cpu_is_exynos4()) {
 		if (proid_is_exynos4412()) {
 			if (nr < EXYNOS4X12_GPIO_PART1_MAX)
diff --git a/arch/arm/include/asm/arch-exynos/periph.h b/arch/arm/include/asm/arch-exynos/periph.h
index 64bd8b7..30c7f18 100644
--- a/arch/arm/include/asm/arch-exynos/periph.h
+++ b/arch/arm/include/asm/arch-exynos/periph.h
@@ -34,6 +34,9 @@ enum periph_id {
 	PERIPH_ID_SDMMC1,
 	PERIPH_ID_SDMMC2,
 	PERIPH_ID_SDMMC3,
+	PERIPH_ID_I2C8 = 87,
+	PERIPH_ID_I2C9,
+	PERIPH_ID_I2C10 = 203,
 	PERIPH_ID_I2S0 = 98,
 	PERIPH_ID_I2S1 = 99,
 
diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h
index 2bfee18..c9609a2 100644
--- a/arch/arm/include/asm/arch-exynos/power.h
+++ b/arch/arm/include/asm/arch-exynos/power.h
@@ -831,6 +831,843 @@ struct exynos5_power {
 	unsigned int	cmu_reset_mau_option;
 	unsigned char	res163[0x24];
 };
+
+struct exynos5420_power {
+	unsigned int	om_stat;
+	unsigned int	lpi_mask0;
+	unsigned int	lpi_mask1;
+	unsigned char	res1[0x10];
+	unsigned int	rtc_clko_sel;
+	unsigned char	res2[0x1e0];
+	unsigned int	central_seq_configuration;
+	unsigned int	central_seq_status;
+	unsigned int	central_seq_option;
+	unsigned char	res3[0x14];
+	unsigned int	seq_transition0;
+	unsigned int	seq_transition1;
+	unsigned int	seq_transition2;
+	unsigned int	seq_transition3;
+	unsigned int	seq_transition4;
+	unsigned int	seq_transition5;
+	unsigned int	seq_transition6;
+	unsigned int	seq_transition7;
+	unsigned int	central_seq_coreblk_configuration;
+	unsigned int	central_seq_coreblk_status;
+	unsigned int	central_seq_coreblk_option;
+	unsigned char	res4[0x14];
+	unsigned int	seq_coreblk_transition0;
+	unsigned int	seq_coreblk_transition1;
+	unsigned int	seq_coreblk_transition2;
+	unsigned int	seq_coreblk_transition3;
+	unsigned int	seq_coreblk_transition4;
+	unsigned int	seq_coreblk_transition5;
+	unsigned int	seq_coreblk_transition6;
+	unsigned int	seq_coreblk_transition7;
+	unsigned char	res5[0x180];
+	unsigned int	swreset;
+	unsigned int	rst_stat;
+	unsigned int	automatic_wdt_reset_disable;
+	unsigned int	mask_wdt_reset_request;
+	unsigned int	mask_wreset_request;
+	unsigned char	res6[0xec];
+	unsigned int	reset_sequencer_configuration;
+	unsigned int	reset_sequencer_status;
+	unsigned int	reset_sequencer_option;
+	unsigned char	res7[0xf4];
+	unsigned int	wakeup_stat;
+	unsigned int	eint_wakeup_mask;
+	unsigned int	wakeup_mask;
+	unsigned int	wakeup_interrupt;
+	unsigned char	res8[0x10];
+	unsigned int	wakeup_stat_coreblk;
+	unsigned int	eint_wakeup_mask_coreblk;
+	unsigned int	wakeup_mask_coreblk;
+	unsigned int	wakeup_interrupt_coreblk;
+	unsigned char	res9[0xd0];
+	unsigned int	hdmi_phy_control;
+	unsigned int	usbdev_phy_control;
+	unsigned int	usbdev1_phy_control;
+	unsigned int	usbhost_phy_control;
+	unsigned char	res104[0x4];
+	unsigned int	mipi_phy0_control;
+	unsigned int	mipi_phy1_control;
+	unsigned int	mipi_phy2_control;
+	unsigned int	adc_phy_control;
+	unsigned int	mtcadc_phy_control;
+	unsigned int	dptx_phy_control;
+	unsigned char	res10[0xd4];
+	unsigned int	inform0;
+	unsigned int	inform1;
+	unsigned int	inform2;
+	unsigned int	inform3;
+	unsigned int	sysip_dat0;
+	unsigned int	sysip_dat1;
+	unsigned int	sysip_dat2;
+	unsigned int	sysip_dat3;
+	unsigned char	res11[0xe0];
+	unsigned int	pmu_spare0;
+	unsigned int	pmu_spare1;
+	unsigned int	pmu_spare2;
+	unsigned int	pmu_spare3;
+	unsigned char	res12[0x4];
+	unsigned int	cg_status0;
+	unsigned int	cg_status1;
+	unsigned int	cg_status2;
+	unsigned int	cg_status3;
+	unsigned int	cg_status4;
+	unsigned char	res200[0x58];
+	unsigned int	irom_data_reg0;
+	unsigned int	irom_data_reg1;
+	unsigned int	irom_data_reg2;
+	unsigned int	irom_data_reg3;
+	unsigned char	res13[0x70];
+	unsigned int	pmu_debug;
+	unsigned char	res14[0x5fc];
+	unsigned int	arm_core0_sys_pwr_reg;
+	unsigned char	res500[0xc];
+	unsigned int	arm_core1_sys_pwr_reg;
+	unsigned char	res501[0xc];
+	unsigned int	arm_core2_sys_pwr_reg;
+	unsigned char	res502[0xc];
+	unsigned int	arm_core3_sys_pwr_reg;
+	unsigned char	res503[0xc];
+	unsigned int	kfc_core0_sys_pwr_reg;
+	unsigned char	res504[0xc];
+	unsigned int	kfc_core1_sys_pwr_reg;
+	unsigned char	res505[0xc];
+	unsigned int	kfc_core2_sys_pwr_reg;
+	unsigned char	res506[0xc];
+	unsigned int	kfc_core3_sys_pwr_reg;
+	unsigned char	res507[0x1c];
+	unsigned int	isp_arm_sys_pwr_reg;
+	unsigned char	res18[0xc];
+	unsigned int	arm_common_sys_pwr_reg;
+	unsigned char	res508[0xc];
+	unsigned int	kfc_common_sys_pwr_reg;
+	unsigned char	res19[0xc];
+	unsigned int	arm_l2_sys_pwr_reg;
+	unsigned char	res509[0xc];
+	unsigned int	kfc_l2_sys_pwr_reg;
+	unsigned char	res20[0xc];
+	unsigned int	cmu_cpu_aclkstop_sys_pwr_reg;
+	unsigned int	cmu_cpu_sclkstop_sys_pwr_reg;
+	unsigned char	res510[0x8];
+	unsigned int	cmu_kfc_aclkstop_sys_pwr_reg;
+	unsigned char	res511[0xc];
+	unsigned int	cmu_aclkstop_sys_pwr_reg;
+	unsigned int	cmu_sclkstop_sys_pwr_reg;
+	unsigned char	res21[0x4];
+	unsigned int	cmu_reset_sys_pwr_reg;
+	unsigned char	res22[0x10];
+	unsigned int	cmu_aclkstop_coreblk_sys_pwr_reg;
+	unsigned int	cmu_sclkstop_coreblk_sys_pwr_reg;
+	unsigned char	res23[0x4];
+	unsigned int	cmu_reset_coreblk_sys_pwr_reg;
+	unsigned int	dram_freq_down_sys_pwr_reg;
+	unsigned int	ddrphy_dlloff_sys_pwr_reg;
+	unsigned int	ddrphy_dlllock_sys_pwr_reg;
+	unsigned char	res25[0x4];
+	unsigned int	apll_sysclk_sys_pwr_reg;
+	unsigned int	mpll_sysclk_sys_pwr_reg;
+	unsigned int	vpll_sysclk_sys_pwr_reg;
+	unsigned int	epll_sysclk_sys_pwr_reg;
+	unsigned int	bpll_sysclk_sys_pwr_reg;
+	unsigned int	cpll_sysclk_sys_pwr_reg;
+	unsigned int	dpll_sysclk_sys_pwr_reg;
+	unsigned int	ipll_sysclk_sys_pwr_reg;
+	unsigned int	kpll_sysclk_sys_pwr_reg;
+	unsigned int	mplluser_sysclk_sys_pwr_reg;
+	unsigned char	res512[0x8];
+	unsigned int	bplluser_sysclk_sys_pwr_reg;
+	unsigned int	rpll_sysclk_sys_pwr_reg;
+	unsigned int	spll_sysclk_sys_pwr_reg;
+	unsigned char	res26[0x4];
+	unsigned int	top_bus_sys_pwr_reg;
+	unsigned int	top_retention_sys_pwr_reg;
+	unsigned int	top_pwr_sys_pwr_reg;
+	unsigned char	res29[0x4];
+	unsigned int	top_bus_coreblk_sys_pwr_reg;
+	unsigned int	top_retention_coreblk_sys_pwr_reg;
+	unsigned int	top_pwr_coreblk_sys_pwr_reg;
+	unsigned char	res30[0x4];
+	unsigned int	logic_reset_sys_pwr_reg;
+	unsigned int	oscclk_gate_sys_pwr_reg;
+	unsigned char	res31[0x8];
+	unsigned int	logic_reset_coreblk_sys_pwr_reg;
+	unsigned int	oscclk_gate_coreblk_sys_pwr_reg;
+	unsigned int	intram_mem_sys_pwr_reg;
+	unsigned int	introm_mem_sys_pwr_reg;
+	unsigned char	res32[0x44];
+	unsigned int	pad_retention_mau_sys_pwr_reg;
+	unsigned int	pad_retention_jtag_sys_pwr_reg;
+	unsigned char	res36[0x4];
+	unsigned int	pad_retention_dram_sys_pwr_reg;
+	unsigned int	pad_retention_uart_sys_pwr_reg;
+	unsigned int	pad_retention_mmca_sys_pwr_reg;
+	unsigned int	pad_retention_mmcb_sys_pwr_reg;
+	unsigned int	pad_retention_mmcc_sys_pwr_reg;
+	unsigned int	pad_retention_hsi_sys_pwr_reg;
+	unsigned int	pad_retention_ebia_sys_pwr_reg;
+	unsigned int	pad_retention_ebib_sys_pwr_reg;
+	unsigned int	pad_retention_spi_sys_pwr_reg;
+	unsigned int	pad_retention_dram_coreblk_sys_pwr_reg;
+	unsigned char	res28[0x8];
+	unsigned int	pad_isolation_sys_pwr_reg;
+	unsigned char	res37[0xc];
+	unsigned int	pad_isolation_coreblk_sys_pwr_reg;
+	unsigned char	res38[0xc];
+	unsigned int	pad_alv_sel_sys_pwr_reg;
+	unsigned char	res39[0x1c];
+	unsigned int	xusbxti_sys_pwr_reg;
+	unsigned int	xxti_sys_pwr_reg;
+	unsigned char	res40[0x38];
+	unsigned int	ext_regulator_sys_pwr_reg;
+	unsigned char	res41[0x3c];
+	unsigned int	gpio_mode_sys_pwr_reg;
+	unsigned char	res42[0x1c];
+	unsigned int	gpio_mode_coreblk_sys_pwr_reg;
+	unsigned char	res43[0x1c];
+	unsigned int	gpio_mode_mau_sys_pwr_reg;
+	unsigned int	top_asb_reset_sys_pwr_reg;
+	unsigned int	top_asb_isolation_sys_pwr_reg;
+	unsigned char	res44[0xb4];
+	unsigned int	gscl_sys_pwr_reg;
+	unsigned int	isp_sys_pwr_reg;
+	unsigned int	mfc_sys_pwr_reg;
+	unsigned int	g3d_sys_pwr_reg;
+	unsigned int	disp1_sys_pwr_reg;
+	unsigned int	mau_sys_pwr_reg;
+	unsigned int	g2d_sys_pwr_reg;
+	unsigned int	msc_sys_pwr_reg;
+	unsigned int	fsys_sys_pwr_reg;
+	unsigned int	fsys2_sys_pwr_reg;
+	unsigned int	psgen_sys_pwr_reg;
+	unsigned int	peric_sys_pwr_reg;
+	unsigned int	wcore_sys_pwr_reg;
+	unsigned char	res46[0x4c];
+	unsigned int	cmu_clkstop_gscl_sys_pwr_reg;
+	unsigned int	cmu_clkstop_isp_sys_pwr_reg;
+	unsigned int	cmu_clkstop_mfc_sys_pwr_reg;
+	unsigned int	cmu_clkstop_g3d_sys_pwr_reg;
+	unsigned int	cmu_clkstop_disp1_sys_pwr_reg;
+	unsigned int	cmu_clkstop_mau_sys_pwr_reg;
+	unsigned int	cmu_clkstop_g2d_sys_pwr_reg;
+	unsigned int	cmu_clkstop_msc_sys_pwr_reg;
+	unsigned int	cmu_clkstop_fsys_sys_pwr_reg;
+	unsigned int	cmu_clkstop_fsys2_sys_pwr_reg;
+	unsigned int	cmu_clkstop_psgen_sys_pwr_reg;
+	unsigned int	cmu_clkstop_peric_sys_pwr_reg;
+	unsigned int	cmu_clkstop_wcore_sys_pwr_reg;
+	unsigned char	res48[0x8];
+	unsigned int	cmu_sysclk_toppwr_sys_pwr_reg;
+	unsigned int	cmu_sysclk_gscl_sys_pwr_reg;
+	unsigned int	cmu_sysclk_isp_sys_pwr_reg;
+	unsigned int	cmu_sysclk_mfc_sys_pwr_reg;
+	unsigned int	cmu_sysclk_g3d_sys_pwr_reg;
+	unsigned int	cmu_sysclk_disp1_sys_pwr_reg;
+	unsigned int	cmu_sysclk_mau_sys_pwr_reg;
+	unsigned int	cmu_sysclk_g2d_sys_pwr_reg;
+	unsigned int	cmu_sysclk_msc_sys_pwr_reg;
+	unsigned int	cmu_sysclk_fsys_sys_pwr_reg;
+	unsigned int	cmu_sysclk_fsys2_sys_pwr_reg;
+	unsigned int	cmu_sysclk_psgen_sys_pwr_reg;
+	unsigned int	cmu_sysclk_peric_sys_pwr_reg;
+	unsigned int	cmu_sysclk_wcore_sys_pwr_reg;
+	unsigned int	cmu_sysclk_coreblk_toppwr_sys_pwr_reg;
+	unsigned char	res50[0x78];
+	unsigned int	cmu_reset_fsys2_sys_pwr_reg;
+	unsigned int	cmu_reset_psgen_sys_pwr_reg;
+	unsigned int	cmu_reset_peric_sys_pwr_reg;
+	unsigned int	cmu_reset_wcore_sys_pwr_reg;
+	unsigned int	cmu_reset_gscl_sys_pwr_reg;
+	unsigned int	cmu_reset_isp_sys_pwr_reg;
+	unsigned int	cmu_reset_mfc_sys_pwr_reg;
+	unsigned int	cmu_reset_g3d_sys_pwr_reg;
+	unsigned int	cmu_reset_disp1_sys_pwr_reg;
+	unsigned int	cmu_reset_mau_sys_pwr_reg;
+	unsigned int	cmu_reset_g2d_sys_pwr_reg;
+	unsigned int	cmu_reset_msc_sys_pwr_reg;
+	unsigned int	cmu_reset_fsys_sys_pwr_reg;
+	unsigned char	res52[0xa5c];
+	unsigned int	arm_core0_configuration;
+	unsigned int	arm_core0_status;
+	unsigned int	arm_core0_option;
+	unsigned char	res53[0x14];
+	unsigned int	dis_irq_arm_core0_local_configuration;
+	unsigned int	dis_irq_arm_core0_local_status;
+	unsigned int	dis_irq_arm_core0_local_option;
+	unsigned char	res54[0x14];
+	unsigned int	dis_irq_arm_core0_central_configuration;
+	unsigned int	dis_irq_arm_core0_central_status;
+	unsigned int	dis_irq_arm_core0_central_option;
+	unsigned char	res55[0x34];
+	unsigned int	arm_core1_configuration;
+	unsigned int	arm_core1_status;
+	unsigned int	arm_core1_option;
+	unsigned char	res56[0x14];
+	unsigned int	dis_irq_arm_core1_local_configuration;
+	unsigned int	dis_irq_arm_core1_local_status;
+	unsigned int	dis_irq_arm_core1_local_option;
+	unsigned char	res57[0x14];
+	unsigned int	dis_irq_arm_core1_central_configuration;
+	unsigned int	dis_irq_arm_core1_central_status;
+	unsigned int	dis_irq_arm_core1_central_option;
+	unsigned char	res600[0x34];
+	unsigned int	arm_core2_configuration;
+	unsigned int	arm_core2_status;
+	unsigned int	arm_core2_option;
+	unsigned char	res601[0x14];
+	unsigned int	dis_irq_arm_core2_local_configuration;
+	unsigned int	dis_irq_arm_core2_local_status;
+	unsigned int	dis_irq_arm_core2_local_option;
+	unsigned char	res602[0x14];
+	unsigned int	dis_irq_arm_core2_central_configuration;
+	unsigned int	dis_irq_arm_core2_central_status;
+	unsigned int	dis_irq_arm_core2_central_option;
+	unsigned char	res603[0x34];
+	unsigned int	arm_core3_configuration;
+	unsigned int	arm_core3_status;
+	unsigned int	arm_core3_option;
+	unsigned char	res900[0x14];
+	unsigned int	dis_irq_arm_core3_local_configuration;
+	unsigned int	dis_irq_arm_core3_local_status;
+	unsigned int	dis_irq_arm_core3_local_option;
+	unsigned char	res901[0x14];
+	unsigned int	dis_irq_arm_core3_central_configuration;
+	unsigned int	dis_irq_arm_core3_central_status;
+	unsigned int	dis_irq_arm_core3_central_option;
+	unsigned char	res604[0x34];
+	unsigned int	kfc_core0_configuration;
+	unsigned int	kfc_core0_status;
+	unsigned int	kfc_core0_option;
+	unsigned char	res605[0x14];
+	unsigned int	dis_irq_kfc_core0_local_configuration;
+	unsigned int	dis_irq_kfc_core0_local_status;
+	unsigned int	dis_irq_kfc_core0_local_option;
+	unsigned char	res606[0x14];
+	unsigned int	dis_irq_kfc_core0_central_configuration;
+	unsigned int	dis_irq_kfc_core0_central_status;
+	unsigned int	dis_irq_kfc_core0_central_option;
+	unsigned char	res607[0x34];
+	unsigned int	kfc_core1_configuration;
+	unsigned int	kfc_core1_status;
+	unsigned int	kfc_core1_option;
+	unsigned char	res608[0x14];
+	unsigned int	dis_irq_kfc_core1_local_configuration;
+	unsigned int	dis_irq_kfc_core1_local_status;
+	unsigned int	dis_irq_kfc_core1_local_option;
+	unsigned char	res609[0x14];
+	unsigned int	dis_irq_kfc_core1_central_configuration;
+	unsigned int	dis_irq_kfc_core1_central_status;
+	unsigned int	dis_irq_kfc_core1_central_option;
+	unsigned char	res610[0x34];
+	unsigned int	kfc_core2_configuration;
+	unsigned int	kfc_core2_status;
+	unsigned int	kfc_core2_option;
+	unsigned char	res611[0x14];
+	unsigned int	dis_irq_kfc_core2_local_configuration;
+	unsigned int	dis_irq_kfc_core2_local_status;
+	unsigned int	dis_irq_kfc_core2_local_option;
+	unsigned char	res612[0x14];
+	unsigned int	dis_irq_kfc_core2_central_configuration;
+	unsigned int	dis_irq_kfc_core2_central_status;
+	unsigned int	dis_irq_kfc_core2_central_option;
+	unsigned char	res613[0x34];
+	unsigned int	kfc_core3_configuration;
+	unsigned int	kfc_core3_status;
+	unsigned int	kfc_core3_option;
+	unsigned char	res614[0x14];
+	unsigned int	dis_irq_kfc_core3_local_configuration;
+	unsigned int	dis_irq_kfc_core3_local_status;
+	unsigned int	dis_irq_kfc_core3_local_option;
+	unsigned char	res615[0x14];
+	unsigned int	dis_irq_kfc_core3_central_configuration;
+	unsigned int	dis_irq_kfc_core3_central_status;
+	unsigned int	dis_irq_kfc_core3_central_option;
+	unsigned char	res61[0xb4];
+	unsigned int	isp_arm_configuration;
+	unsigned int	isp_arm_status;
+	unsigned int	isp_arm_option;
+	unsigned char	res62[0x14];
+	unsigned int	dis_irq_isp_arm_local_configuration;
+	unsigned int	dis_irq_isp_arm_local_status;
+	unsigned int	dis_irq_isp_arm_local_option;
+	unsigned char	res63[0x14];
+	unsigned int	dis_irq_isp_arm_central_configuration;
+	unsigned int	dis_irq_isp_arm_central_status;
+	unsigned int	dis_irq_isp_arm_central_option;
+	unsigned char	res64[0x34];
+	unsigned int	arm_common_configuration;
+	unsigned int	arm_common_status;
+	unsigned int	arm_common_option;
+	unsigned char	res616[0x74];
+	unsigned int	kfc_common_configuration;
+	unsigned int	kfc_common_status;
+	unsigned int	kfc_common_option;
+	unsigned char	res65[0x74];
+	unsigned int	arm_l2_configuration;
+	unsigned int	arm_l2_status;
+	unsigned int	arm_l2_option;
+	unsigned char	res617[0x74];
+	unsigned int	kfc_l2_configuration;
+	unsigned int	kfc_l2_status;
+	unsigned int	kfc_l2_option;
+	unsigned char	res66[0x74];
+	unsigned int	cmu_cpu_aclkstop_configuration;
+	unsigned int	cmu_cpu_aclkstop_status;
+	unsigned int	cmu_cpu_aclkstop_option;
+	unsigned char	res67[0x14];
+	unsigned int	cmu_cpu_sclkstop_configuration;
+	unsigned int	cmu_cpu_sclkstop_status;
+	unsigned int	cmu_cpu_sclkstop_option;
+	unsigned char	res618[0x4];
+	unsigned int	cmu_kfc_aclkstop_configuration;
+	unsigned int	cmu_kfc_aclkstop_status;
+	unsigned int	cmu_kfc_aclkstop_option;
+	unsigned char	res619[0xc4];
+	unsigned int	cmu_aclkstop_configuration;
+	unsigned int	cmu_aclkstop_status;
+	unsigned int	cmu_aclkstop_option;
+	unsigned char	res620[0x14];
+	unsigned int	cmu_sclkstop_configuration;
+	unsigned int	cmu_sclkstop_status;
+	unsigned int	cmu_sclkstop_option;
+	unsigned char	res68[0x34];
+	unsigned int	cmu_reset_configuration;
+	unsigned int	cmu_reset_status;
+	unsigned int	cmu_reset_option;
+	unsigned char	res69[0x94];
+	unsigned int	cmu_aclkstop_coreblk_configuration;
+	unsigned int	cmu_aclkstop_coreblk_status;
+	unsigned int	cmu_aclkstop_coreblk_option;
+	unsigned char	res70[0x14];
+	unsigned int	cmu_sclkstop_coreblk_configuration;
+	unsigned int	cmu_sclkstop_coreblk_status;
+	unsigned int	cmu_sclkstop_coreblk_option;
+	unsigned char	res71[0x34];
+	unsigned int	cmu_reset_coreblk_configuration;
+	unsigned int	cmu_reset_coreblk_status;
+	unsigned int	cmu_reset_coreblk_option;
+	unsigned char	res621[0x14];
+	unsigned int	dram_freq_down_configuration;
+	unsigned int	dram_freq_down_status;
+	unsigned int	dram_freq_down_option;
+	unsigned char	res622[0x14];
+	unsigned int	ddrphy_dlloff_configuration;
+	unsigned int	ddrphy_dlloff_status;
+	unsigned int	ddrphy_dlloff_option;
+	unsigned char	res72[0x14];
+	unsigned int	ddrphy_dlllock_configuration;
+	unsigned int	ddrphy_dlllock_status;
+	unsigned int	ddrphy_dlllock_option;
+	unsigned char	res73[0x34];
+	unsigned int	apll_sysclk_configuration;
+	unsigned int	apll_sysclk_status;
+	unsigned int	apll_sysclk_option;
+	unsigned char	res74[0x18];
+	unsigned int	mpll_sysclk_status;
+	unsigned int	mpll_sysclk_option;
+	unsigned char	res75[0x14];
+	unsigned int	vpll_sysclk_configuration;
+	unsigned int	vpll_sysclk_status;
+	unsigned int	vpll_sysclk_option;
+	unsigned char	res76[0x14];
+	unsigned int	epll_sysclk_configuration;
+	unsigned int	epll_sysclk_status;
+	unsigned int	epll_sysclk_option;
+	unsigned char	res77[0x14];
+	unsigned int	bpll_sysclk_configuration;
+	unsigned int	bpll_sysclk_status;
+	unsigned int	bpll_sysclk_option;
+	unsigned char	res78[0x14];
+	unsigned int	cpll_sysclk_configuration;
+	unsigned int	cpll_sysclk_status;
+	unsigned int	cpll_sysclk_option;
+	unsigned char	res79[0x14];
+	unsigned int	dpll_sysclk_configuration;
+	unsigned int	dpll_sysclk_status;
+	unsigned int	dpll_sysclk_option;
+	unsigned char	res700[0x14];
+	unsigned int	ipll_sysclk_configuration;
+	unsigned int	ipll_sysclk_status;
+	unsigned int	ipll_sysclk_option;
+	unsigned char	res903[0x14];
+	unsigned int	kpll_sysclk_configuration;
+	unsigned int	kpll_sysclk_status;
+	unsigned int	kpll_sysclk_option;
+	unsigned char	res80[0x14];
+	unsigned int	mplluser_sysclk_configuration;
+	unsigned int	mplluser_sysclk_status;
+	unsigned int	mplluser_sysclk_option;
+	unsigned char	res81[0x54];
+	unsigned int	bplluser_sysclk_configuration;
+	unsigned int	bplluser_sysclk_status;
+	unsigned int	bplluser_sysclk_option;
+	unsigned char	res701[0x14];
+	unsigned int	rplluser_sysclk_configuration;
+	unsigned int	rplluser_sysclk_status;
+	unsigned int	rplluser_sysclk_option;
+	unsigned char	res702[0x14];
+	unsigned int	splluser_sysclk_configuration;
+	unsigned int	splluser_sysclk_status;
+	unsigned int	splluser_sysclk_option;
+	unsigned char	res82[0x34];
+	unsigned int	top_bus_configuration;
+	unsigned int	top_bus_status;
+	unsigned int	top_bus_option;
+	unsigned char	res83[0x14];
+	unsigned int	top_retention_configuration;
+	unsigned int	top_retention_status;
+	unsigned int	top_retention_option;
+	unsigned char	res84[0x14];
+	unsigned int	top_pwr_configuration;
+	unsigned int	top_pwr_status;
+	unsigned int	top_pwr_option;
+	unsigned char	res85[0x34];
+	unsigned int	top_bus_coreblk_configuration;
+	unsigned int	top_bus_coreblk_status;
+	unsigned int	top_bus_coreblk_option;
+	unsigned char	res86[0x14];
+	unsigned int	top_retention_coreblk_configuration;
+	unsigned int	top_retention_coreblk_status;
+	unsigned int	top_retention_coreblk_option;
+	unsigned char	res87[0x14];
+	unsigned int	top_pwr_coreblk_configuration;
+	unsigned int	top_pwr_coreblk_status;
+	unsigned int	top_pwr_coreblk_option;
+	unsigned char	res88[0x34];
+	unsigned int	logic_reset_configuration;
+	unsigned int	logic_reset_status;
+	unsigned int	logic_reset_option;
+	unsigned char	res89[0x14];
+	unsigned int	oscclk_gate_configuration;
+	unsigned int	oscclk_gate_status;
+	unsigned int	oscclk_gate_option;
+	unsigned char	res90[0x54];
+	unsigned int	logic_reset_coreblk_configuration;
+	unsigned int	logic_reset_coreblk_status;
+	unsigned int	logic_reset_coreblk_option;
+	unsigned char	res91[0x14];
+	unsigned int	oscclk_gate_coreblk_configuration;
+	unsigned int	oscclk_gate_coreblk_status;
+	unsigned int	oscclk_gate_coreblk_option;
+	unsigned char	res99[0x174];
+	unsigned int	intram_mem_configuration;
+	unsigned int	intram_mem_status;
+	unsigned int	intram_mem_option;
+	unsigned char	res100[0x14];
+	unsigned int	introm_mem_configuration;
+	unsigned int	introm_mem_status;
+	unsigned int	introm_mem_option;
+	unsigned char	res101[0xb4];
+	unsigned int	pad_retention_dram_configuration;
+	unsigned int	pad_retention_dram_status;
+	unsigned int	pad_retention_dram_option;
+	unsigned char	res106[0x14];
+	unsigned int	pad_retention_mau_configuration;
+	unsigned int	pad_retention_mau_status;
+	unsigned int	pad_retention_mau_option;
+	unsigned char	res107[0x14];
+	unsigned int	pad_retention_jtag_configuration;
+	unsigned int	pad_retention_jtag_status;
+	unsigned int	pad_retention_jtag_option;
+	unsigned char	res92[0x74];
+	unsigned int	pad_retention_dram_configuration_2;
+	unsigned int	pad_retention_dram_status_2;
+	unsigned int	pad_retention_dram_option_2;
+	unsigned char	res111[0x14];
+	unsigned int	pad_retention_uart_configuration;
+	unsigned int	pad_retention_uart_status;
+	unsigned int	pad_retention_uart_option;
+	unsigned char	res112[0x14];
+	unsigned int	pad_retention_mmca_configuration;
+	unsigned int	pad_retention_mmca_status;
+	unsigned int	pad_retention_mmca_option;
+	unsigned char	res113[0x14];
+	unsigned int	pad_retention_mmcb_configuration;
+	unsigned int	pad_retention_mmcb_status;
+	unsigned int	pad_retention_mmcb_option;
+	unsigned char	res93[0x14];
+	unsigned int	pad_retention_mmcc_configuration;
+	unsigned int	pad_retention_mmcc_status;
+	unsigned int	pad_retention_mmcc_option;
+	unsigned char	res94[0x14];
+	unsigned int	pad_retention_hsi_configuration;
+	unsigned int	pad_retention_hsi_status;
+	unsigned int	pad_retention_hsi_option;
+	unsigned char	res114[0x14];
+	unsigned int	pad_retention_ebia_configuration;
+	unsigned int	pad_retention_ebia_status;
+	unsigned int	pad_retention_ebia_option;
+	unsigned char	res115[0x14];
+	unsigned int	pad_retention_ebib_configuration;
+	unsigned int	pad_retention_ebib_status;
+	unsigned int	pad_retention_ebib_option;
+	unsigned char	res116[0x14];
+	unsigned int	pad_retention_spi_configuration;
+	unsigned int	pad_retention_spi_status;
+	unsigned int	pad_retention_spi_option;
+	unsigned char	res117[0x14];
+	unsigned int	pad_retention_dram_coreblk_configuration;
+	unsigned int	pad_retention_dram_coreblk_status;
+	unsigned int	pad_retention_dram_coreblk_option;
+	unsigned char	res118[0x14];
+	unsigned int	pad_isolation_configuration;
+	unsigned int	pad_isolation_status;
+	unsigned int	pad_isolation_option;
+	unsigned char	res119[0x74];
+	unsigned int	pad_isolation_coreblk_configuration;
+	unsigned int	pad_isolation_coreblk_status;
+	unsigned int	pad_isolation_coreblk_option;
+	unsigned char	res120[0x74];
+	unsigned int	pad_alv_sel_configuration;
+	unsigned int	pad_alv_sel_status;
+	unsigned int	pad_alv_sel_option0;
+	unsigned int	ps_hold_control;
+	unsigned char	res130[0xf0];
+	unsigned int	xusbxti_configuration;
+	unsigned int	xusbxti_status;
+	unsigned int	xusbxti_option;
+	unsigned char	res910[0x10];
+	unsigned int	xusbxti_duration3;
+	unsigned int	xxti_configuration;
+	unsigned int	xxti_status;
+	unsigned int	xxti_option;
+	unsigned char	res131[0x10];
+	unsigned int	xxti_duration3;
+	unsigned char	res132[0x1c0];
+	unsigned int	ext_regulator_configuration;
+	unsigned int	ext_regulator_status;
+	unsigned int	ext_regulator_option;
+	unsigned char	res133[0x10];
+	unsigned int	ext_regulator_duration3;
+	unsigned char	res134[0x1e0];
+	unsigned int	gpio_mode_configuration;
+	unsigned int	gpio_mode_status;
+	unsigned int	gpio_mode_option;
+	unsigned char	res135[0xf4];
+	unsigned int	gpio_mode_coreblk_configuration;
+	unsigned int	gpio_mode_coreblk_status;
+	unsigned int	gpio_mode_coreblk_option;
+	unsigned char	res136[0xd4];
+	unsigned int	gpio_mode_mau_configuration;
+	unsigned int	gpio_mode_mau_status;
+	unsigned int	gpio_mode_mau_option;
+	unsigned char	res137[0x14];
+	unsigned int	top_asb_reset_configuration;
+	unsigned int	top_asb_reset_status;
+	unsigned int	top_asb_reset_option;
+	unsigned char	res138[0x14];
+	unsigned int	top_asb_isolation_configuration;
+	unsigned int	top_asb_isolation_status;
+	unsigned int	top_asb_isolation_option;
+	unsigned char	res139[0x5d4];
+	unsigned int	gscl_configuration;
+	unsigned int	gscl_status;
+	unsigned int	gscl_option;
+	unsigned char	res140[0x14];
+	unsigned int	isp_configuration;
+	unsigned int	isp_status;
+	unsigned int	isp_option;
+	unsigned char	res141[0x34];
+	unsigned int	mfc_configuration;
+	unsigned int	mfc_status;
+	unsigned int	mfc_option;
+	unsigned char	res142[0x14];
+	unsigned int	g3d_configuration;
+	unsigned int	g3d_status;
+	unsigned int	g3d_option;
+	unsigned char	res143[0x34];
+	unsigned int	disp1_configuration;
+	unsigned int	disp1_status;
+	unsigned int	disp1_option;
+	unsigned char	res144[0x14];
+	unsigned int	mau_configuration;
+	unsigned int	mau_status;
+	unsigned int	mau_option;
+	unsigned char	res800[0x14];
+	unsigned int	g2d_configuration;
+	unsigned int	g2d_status;
+	unsigned int	g2d_option;
+	unsigned char	res801[0x14];
+	unsigned int	msc_configuration;
+	unsigned int	msc_status;
+	unsigned int	msc_option;
+	unsigned char	res802[0x14];
+	unsigned int	fsys_configuration;
+	unsigned int	fsys_status;
+	unsigned int	fsys_option;
+	unsigned char	res803[0x14];
+	unsigned int	fsys2_configuration;
+	unsigned int	fsys2_status;
+	unsigned int	fsys2_option;
+	unsigned char	res804[0x14];
+	unsigned int	psgen_configuration;
+	unsigned int	psgen_status;
+	unsigned int	psgen_option;
+	unsigned char	res805[0x14];
+	unsigned int	peric_configuration;
+	unsigned int	peric_status;
+	unsigned int	peric_option;
+	unsigned char	res806[0x14];
+	unsigned int	wcore_configuration;
+	unsigned int	wcore_status;
+	unsigned int	wcore_option;
+	unsigned char	res145[0x234];
+	unsigned int	cmu_clkstop_gscl_configuration;
+	unsigned int	cmu_clkstop_gscl_status;
+	unsigned int	cmu_clkstop_gscl_option;
+	unsigned char	res146[0x14];
+	unsigned int	cmu_clkstop_isp_configuration;
+	unsigned int	cmu_clkstop_isp_status;
+	unsigned int	cmu_clkstop_isp_option;
+	unsigned char	res147[0x34];
+	unsigned int	cmu_clkstop_mfc_configuration;
+	unsigned int	cmu_clkstop_mfc_status;
+	unsigned int	cmu_clkstop_mfc_option;
+	unsigned char	res148[0x14];
+	unsigned int	cmu_clkstop_g3d_configuration;
+	unsigned int	cmu_clkstop_g3d_status;
+	unsigned int	cmu_clkstop_g3d_option;
+	unsigned char	res149[0x34];
+	unsigned int	cmu_clkstop_disp1_configuration;
+	unsigned int	cmu_clkstop_disp1_status;
+	unsigned int	cmu_clkstop_disp1_option;
+	unsigned char	res150[0x14];
+	unsigned int	cmu_clkstop_mau_configuration;
+	unsigned int	cmu_clkstop_mau_status;
+	unsigned int	cmu_clkstop_mau_option;
+	unsigned char	res807[0x14];
+	unsigned int	cmu_clkstop_g2d_configuration;
+	unsigned int	cmu_clkstop_g2d_status;
+	unsigned int	cmu_clkstop_g2d_option;
+	unsigned char	res808[0x14];
+	unsigned int	cmu_clkstop_msc_configuration;
+	unsigned int	cmu_clkstop_msc_status;
+	unsigned int	cmu_clkstop_msc_option;
+	unsigned char	res809[0x14];
+	unsigned int	cmu_clkstop_fsys_configuration;
+	unsigned int	cmu_clkstop_fsys_status;
+	unsigned int	cmu_clkstop_fsys_option;
+	unsigned char	res810[0x14];
+	unsigned int	cmu_clkstop_fsys2_configuration;
+	unsigned int	cmu_clkstop_fsys2_status;
+	unsigned int	cmu_clkstop_fsys2_option;
+	unsigned char	res811[0x14];
+	unsigned int	cmu_clkstop_psgen_configuration;
+	unsigned int	cmu_clkstop_psgen_status;
+	unsigned int	cmu_clkstop_psgen_option;
+	unsigned char	res812[0x14];
+	unsigned int	cmu_clkstop_peric_configuration;
+	unsigned int	cmu_clkstop_peric_status;
+	unsigned int	cmu_clkstop_peric_option;
+	unsigned char	res813[0x14];
+	unsigned int	cmu_clkstop_wcore_configuration;
+	unsigned int	cmu_clkstop_wcore_status;
+	unsigned int	cmu_clkstop_wcore_option;
+	unsigned char	res151[0x14];
+	unsigned int	cmu_sysclk_toppwr_configuration;
+	unsigned int	cmu_sysclk_toppwr_status;
+	unsigned int	cmu_sysclk_toppwr_option;
+	unsigned char	res920[0x18];
+	unsigned int	cmu_sysclk_gscl_status;
+	unsigned int	cmu_sysclk_gscl_option;
+	unsigned char	res152[0x18];
+	unsigned int	cmu_sysclk_isp_status;
+	unsigned int	cmu_sysclk_isp_option;
+	unsigned char	res153[0x38];
+	unsigned int	cmu_sysclk_mfc_status;
+	unsigned int	cmu_sysclk_mfc_option;
+	unsigned char	res154[0x18];
+	unsigned int	cmu_sysclk_g3d_status;
+	unsigned int	cmu_sysclk_g3d_option;
+	unsigned char	res155[0x38];
+	unsigned int	cmu_sysclk_disp1_status;
+	unsigned int	cmu_sysclk_disp1_option;
+	unsigned char	res156[0x18];
+	unsigned int	cmu_sysclk_mau_status;
+	unsigned int	cmu_sysclk_mau_option;
+	unsigned char	res814[0x18];
+	unsigned int	cmu_sysclk_g2d_status;
+	unsigned int	cmu_sysclk_g2d_option;
+	unsigned char	res815[0x18];
+	unsigned int	cmu_sysclk_msc_status;
+	unsigned int	cmu_sysclk_msc_option;
+	unsigned char	res922[0x18];
+	unsigned int	cmu_sysclk_fsys_status;
+	unsigned int	cmu_sysclk_fsys_option;
+	unsigned char	res816[0x18];
+	unsigned int	cmu_sysclk_fsys2_status;
+	unsigned int	cmu_sysclk_fsys2_option;
+	unsigned char	res817[0x18];
+	unsigned int	cmu_sysclk_psgen_status;
+	unsigned int	cmu_sysclk_psgen_option;
+	unsigned char	res950[0x18];
+	unsigned int	cmu_sysclk_peric_status;
+	unsigned int	cmu_sysclk_peric_option;
+	unsigned char	res818[0x18];
+	unsigned int	cmu_sysclk_wcore_status;
+	unsigned int	cmu_sysclk_wcore_option;
+	unsigned char	res819[0x18];
+	unsigned int	cmu_sysclk_coreblk_toppwr_status;
+	unsigned int	cmu_sysclk_coreblk_toppwr_option;
+	unsigned char	res157[0x414];
+	unsigned int	cmu_reset_gscl_configuration;
+	unsigned int	cmu_reset_gscl_status;
+	unsigned int	cmu_reset_gscl_option;
+	unsigned char	res158[0x14];
+	unsigned int	cmu_reset_isp_configuration;
+	unsigned int	cmu_reset_isp_status;
+	unsigned int	cmu_reset_isp_option;
+	unsigned char	res159[0x34];
+	unsigned int	cmu_reset_mfc_configuration;
+	unsigned int	cmu_reset_mfc_status;
+	unsigned int	cmu_reset_mfc_option;
+	unsigned char	res160[0x14];
+	unsigned int	cmu_reset_g3d_configuration;
+	unsigned int	cmu_reset_g3d_status;
+	unsigned int	cmu_reset_g3d_option;
+	unsigned char	res161[0x34];
+	unsigned int	cmu_reset_disp1_configuration;
+	unsigned int	cmu_reset_disp1_status;
+	unsigned int	cmu_reset_disp1_option;
+	unsigned char	res162[0x14];
+	unsigned int	cmu_reset_mau_configuration;
+	unsigned int	cmu_reset_mau_status;
+	unsigned int	cmu_reset_mau_option;
+	unsigned char	res163[0x14];
+	unsigned int	version_info;
+	unsigned int	i2s_bypass;
+	unsigned int	kfc_swreset_mask_from_eagle;
+	unsigned char	res164[0xf4];
+	unsigned int	cmu_reset_g2d_configuration;
+	unsigned int	cmu_reset_g2d_status;
+	unsigned int	cmu_reset_g2d_option;
+	unsigned char	res165[0x14];
+	unsigned int	cmu_reset_msc_configuration;
+	unsigned int	cmu_reset_msc_status;
+	unsigned int	cmu_reset_msc_option;
+	unsigned char	res166[0x14];
+	unsigned int	cmu_reset_fsys_configuration;
+	unsigned int	cmu_reset_fsys_status;
+	unsigned int	cmu_reset_fsys_option;
+	unsigned char	res167[0x14];
+	unsigned int	cmu_reset_fsys2_configuration;
+	unsigned int	cmu_reset_fsys2_status;
+	unsigned int	cmu_reset_fsys2_option;
+	unsigned char	res168[0x14];
+	unsigned int	cmu_reset_psgen_configuration;
+	unsigned int	cmu_reset_psgen_status;
+	unsigned int	cmu_reset_psgen_option;
+	unsigned char	res169[0x14];
+	unsigned int	cmu_reset_peric_configuration;
+	unsigned int	cmu_reset_peric_status;
+	unsigned int	cmu_reset_peric_option;
+	unsigned char	res170[0x14];
+	unsigned int	cmu_reset_wcore_configuration;
+	unsigned int	cmu_reset_wcore_status;
+	unsigned int	cmu_reset_wcore_option;
+};
 #endif	/* __ASSEMBLY__ */
 
 void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable);
diff --git a/board/samsung/common/Makefile b/board/samsung/common/Makefile
index 501d974..22bd6b1 100644
--- a/board/samsung/common/Makefile
+++ b/board/samsung/common/Makefile
@@ -8,3 +8,7 @@
 obj-$(CONFIG_SOFT_I2C_MULTI_BUS) += multi_i2c.o
 obj-$(CONFIG_THOR_FUNCTION) += thor.o
 obj-$(CONFIG_CMD_USB_MASS_STORAGE) += ums.o
+
+ifndef CONFIG_SPL_BUILD
+obj-$(CONFIG_BOARD_COMMON)	+= board.o
+endif
diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
new file mode 100644
index 0000000..cd873bc
--- /dev/null
+++ b/board/samsung/common/board.c
@@ -0,0 +1,411 @@
+/*
+ * (C) Copyright 2013 SAMSUNG Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <cros_ec.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <spi.h>
+#include <tmu.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/dwmmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/power.h>
+#include <power/pmic.h>
+#include <asm/arch/sromc.h>
+#include <power/max77686_pmic.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct local_info {
+	struct cros_ec_dev *cros_ec_dev;	/* Pointer to cros_ec device */
+	int cros_ec_err;			/* Error for cros_ec, 0 if ok */
+};
+
+static struct local_info local;
+
+#if defined CONFIG_EXYNOS_TMU
+/* Boot Time Thermal Analysis for SoC temperature threshold breach */
+static void boot_temp_check(void)
+{
+	int temp;
+
+	switch (tmu_monitor(&temp)) {
+	case TMU_STATUS_NORMAL:
+		break;
+	case TMU_STATUS_TRIPPED:
+		/*
+		 * Status TRIPPED ans WARNING means corresponding threshold
+		 * breach
+		 */
+		puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
+		set_ps_hold_ctrl();
+		hang();
+		break;
+	case TMU_STATUS_WARNING:
+		puts("EXYNOS_TMU: WARNING! Temperature very high\n");
+		break;
+	case TMU_STATUS_INIT:
+		/*
+		 * TMU_STATUS_INIT means something is wrong with temperature
+		 * sensing and TMU status was changed back from NORMAL to INIT.
+		 */
+		puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n");
+		break;
+	default:
+		debug("EXYNOS_TMU: Unknown TMU state\n");
+	}
+}
+#endif
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+#if defined CONFIG_EXYNOS_TMU
+	if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
+		debug("%s: Failed to init TMU\n", __func__);
+		return -1;
+	}
+	boot_temp_check();
+#endif
+
+#ifdef CONFIG_EXYNOS_SPI
+	spi_init();
+#endif
+	return exynos_init();
+}
+
+int dram_init(void)
+{
+	int i;
+	u32 addr;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+		gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+	}
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	int i;
+	u32 addr, size;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+		size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+
+		gd->bd->bi_dram[i].start = addr;
+		gd->bd->bi_dram[i].size = size;
+	}
+}
+
+static int board_uart_init(void)
+{
+	int err, uart_id, ret = 0;
+
+	for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
+		err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
+		if (err) {
+			debug("UART%d not configured\n",
+			      (uart_id - PERIPH_ID_UART0));
+			ret |= err;
+		}
+	}
+	return ret;
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+	int err;
+
+	err = board_uart_init();
+	if (err) {
+		debug("UART init failed\n");
+		return err;
+	}
+
+#ifdef CONFIG_SYS_I2C_INIT_BOARD
+	board_i2c_init(gd->fdt_blob);
+#endif
+
+	return err;
+}
+#endif
+
+struct cros_ec_dev *board_get_cros_ec_dev(void)
+{
+	return local.cros_ec_dev;
+}
+
+#ifdef CONFIG_CROS_EC
+static int board_init_cros_ec_devices(const void *blob)
+{
+	local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
+	if (local.cros_ec_err)
+		return -1;  /* Will report in board_late_init() */
+
+	return 0;
+}
+#endif
+
+#if defined(CONFIG_POWER)
+#ifdef CONFIG_POWER_MAX77686
+static int pmic_reg_update(struct pmic *p, int reg, uint regval)
+{
+	u32 val;
+	int ret = 0;
+
+	ret = pmic_reg_read(p, reg, &val);
+	if (ret) {
+		debug("%s: PMIC %d register read failed\n", __func__, reg);
+		return -1;
+	}
+	val |= regval;
+	ret = pmic_reg_write(p, reg, val);
+	if (ret) {
+		debug("%s: PMIC %d register write failed\n", __func__, reg);
+		return -1;
+	}
+	return 0;
+}
+
+static int max77686_init(void)
+{
+	struct pmic *p;
+
+	if (pmic_init(I2C_PMIC))
+		return -1;
+
+	p = pmic_get("MAX77686_PMIC");
+	if (!p)
+		return -ENODEV;
+
+	if (pmic_probe(p))
+		return -1;
+
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_32KHZ, MAX77686_32KHCP_EN))
+		return -1;
+
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_BBAT,
+			    MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V))
+		return -1;
+
+	/* VDD_MIF */
+	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT,
+			   MAX77686_BUCK1OUT_1V)) {
+		debug("%s: PMIC %d register write failed\n", __func__,
+		      MAX77686_REG_PMIC_BUCK1OUT);
+		return -1;
+	}
+
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK1CRTL,
+			    MAX77686_BUCK1CTRL_EN))
+		return -1;
+
+	/* VDD_ARM */
+	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK2DVS1,
+			   MAX77686_BUCK2DVS1_1_3V)) {
+		debug("%s: PMIC %d register write failed\n", __func__,
+		      MAX77686_REG_PMIC_BUCK2DVS1);
+		return -1;
+	}
+
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK2CTRL1,
+			    MAX77686_BUCK2CTRL_ON))
+		return -1;
+
+	/* VDD_INT */
+	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK3DVS1,
+			   MAX77686_BUCK3DVS1_1_0125V)) {
+		debug("%s: PMIC %d register write failed\n", __func__,
+		      MAX77686_REG_PMIC_BUCK3DVS1);
+		return -1;
+	}
+
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK3CTRL,
+			    MAX77686_BUCK3CTRL_ON))
+		return -1;
+
+	/* VDD_G3D */
+	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK4DVS1,
+			   MAX77686_BUCK4DVS1_1_2V)) {
+		debug("%s: PMIC %d register write failed\n", __func__,
+		      MAX77686_REG_PMIC_BUCK4DVS1);
+		return -1;
+	}
+
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK4CTRL1,
+			    MAX77686_BUCK3CTRL_ON))
+		return -1;
+
+	/* VDD_LDO2 */
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO2CTRL1,
+			    MAX77686_LD02CTRL1_1_5V | EN_LDO))
+		return -1;
+
+	/* VDD_LDO3 */
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO3CTRL1,
+			    MAX77686_LD03CTRL1_1_8V | EN_LDO))
+		return -1;
+
+	/* VDD_LDO5 */
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO5CTRL1,
+			    MAX77686_LD05CTRL1_1_8V | EN_LDO))
+		return -1;
+
+	/* VDD_LDO10 */
+	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO10CTRL1,
+			    MAX77686_LD10CTRL1_1_8V | EN_LDO))
+		return -1;
+
+	return 0;
+}
+#endif
+
+int power_init_board(void)
+{
+	int ret = 0;
+
+	set_ps_hold_ctrl();
+
+#ifdef CONFIG_POWER_MAX77686
+	ret = max77686_init();
+#endif
+
+	return ret;
+}
+#endif
+
+#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 Error: %s\n",
+		      fdt_strerror(err));
+		return -FDT_ERR_NOTFOUND;
+	}
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+	u32 smc_bw_conf, smc_bc_conf;
+	struct fdt_sromc config;
+	fdt_addr_t base_addr;
+	int node;
+
+	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;
+	}
+
+	/* 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;
+}
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+	int ret;
+
+	/* dwmmc initializattion for available channels */
+	ret = exynos_dwmmc_init(gd->fdt_blob);
+	if (ret)
+		debug("dwmmc init failed\n");
+
+	return ret;
+}
+#endif
+#endif
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+	stdio_print_current_devices();
+
+	if (local.cros_ec_err) {
+		/* Force console on */
+		gd->flags &= ~GD_FLG_SILENT;
+
+		printf("cros-ec communications failure %d\n",
+		       local.cros_ec_err);
+		puts("\nPlease reset with Power+Refresh\n\n");
+		panic("Cannot init cros-ec device");
+		return -1;
+	}
+	return 0;
+}
+#endif
+
+int arch_early_init_r(void)
+{
+#ifdef CONFIG_CROS_EC
+	if (board_init_cros_ec_devices(gd->fdt_blob)) {
+		printf("%s: Failed to init EC\n", __func__);
+		return 0;
+	}
+#endif
+
+	return 0;
+}
diff --git a/board/samsung/dts/exynos5420-smdk5420.dts b/board/samsung/dts/exynos5420-smdk5420.dts
new file mode 100644
index 0000000..d739763
--- /dev/null
+++ b/board/samsung/dts/exynos5420-smdk5420.dts
@@ -0,0 +1,169 @@
+/*
+ * SAMSUNG SMDK5420 board device tree source
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+/include/ "exynos5420.dtsi"
+
+/ {
+	model = "SAMSUNG SMDK5420 board based on EXYNOS5420";
+	compatible = "samsung,smdk5420", "samsung,exynos5";
+
+	config {
+		hwid = "smdk5420 TEST A-A 9382";
+	};
+
+	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";
+		i2c8 = "/i2c@12e00000";
+		i2c9 = "/i2c@12e10000";
+		i2c10 = "/i2c@12e20000";
+		spi0 = "/spi@12d20000";
+		spi1 = "/spi@12d30000";
+		spi2 = "/spi@12d40000";
+		spi3 = "/spi@131a0000";
+		spi4 = "/spi@131b0000";
+		mmc0 = "/mmc@12200000";
+		mmc1 = "/mmc@12210000";
+		mmc2 = "/mmc@12220000";
+		xhci0 = "/xhci@12000000";
+		xhci1 = "/xhci@12400000";
+		serial0 = "/serial@12C30000";
+		console = "/serial@12C30000";
+	};
+
+	tmu@10060000 {
+		samsung,min-temp	= <25>;
+		samsung,max-temp	= <125>;
+		samsung,start-warning	= <95>;
+		samsung,start-tripping	= <105>;
+		samsung,hw-tripping	= <110>;
+		samsung,efuse-min-value	= <40>;
+		samsung,efuse-value	= <55>;
+		samsung,efuse-max-value	= <100>;
+		samsung,slope		= <274761730>;
+		samsung,dc-value	= <25>;
+	};
+
+	/* s2mps11 is on i2c bus 4 */
+	i2c@12ca0000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pmic@66 {
+			reg = <0x66>;
+			compatible = "samsung,s2mps11-pmic";
+		};
+	};
+
+	spi@12d20000 { /* spi0 */
+		spi-max-frequency = <50000000>;
+		firmware_storage_spi: flash@0 {
+			reg = <0>;
+		};
+	};
+
+	fimd@14400000 {
+		samsung,vl-freq = <60>;
+		samsung,vl-col = <2560>;
+		samsung,vl-row = <1600>;
+		samsung,vl-width = <2560>;
+		samsung,vl-height = <1600>;
+
+		samsung,vl-clkp;
+		samsung,vl-dp;
+		samsung,vl-bpix = <4>;
+
+		samsung,vl-hspw = <32>;
+		samsung,vl-hbpd = <80>;
+		samsung,vl-hfpd = <48>;
+		samsung,vl-vspw = <6>;
+		samsung,vl-vbpd = <37>;
+		samsung,vl-vfpd = <3>;
+		samsung,vl-cmd-allow-len = <0xf>;
+
+		samsung,winid = <3>;
+		samsung,interface-mode = <1>;
+		samsung,dp-enabled = <1>;
+		samsung,dual-lcd-enabled = <0>;
+	};
+
+	sound@3830000 {
+		samsung,codec-type = "wm8994";
+	};
+
+	i2c@12c70000 {
+		soundcodec@1a {
+			reg = <0x1a>;
+			compatible = "wolfson,wm8994-codec";
+		};
+	};
+
+	mmc@12200000 {
+		samsung,bus-width = <8>;
+		samsung,timing = <1 3 3>;
+		samsung,removable = <0>;
+		samsung,pre-init;
+	};
+
+	mmc@12210000 {
+		status = "disabled";
+	};
+
+	mmc@12220000 {
+		samsung,bus-width = <4>;
+		samsung,timing = <1 2 3>;
+		samsung,removable = <1>;
+	};
+
+	mmc@12230000 {
+		status = "disabled";
+	};
+
+	fimd@14400000 {
+		/* sysmmu is not used in U-Boot */
+		samsung,disable-sysmmu;
+	};
+
+	dp@145b0000 {
+		samsung,lt-status = <0>;
+
+		samsung,master-mode = <0>;
+		samsung,bist-mode = <0>;
+		samsung,bist-pattern = <0>;
+		samsung,h-sync-polarity = <0>;
+		samsung,v-sync-polarity = <0>;
+		samsung,interlaced = <0>;
+		samsung,color-space = <0>;
+		samsung,dynamic-range = <0>;
+		samsung,ycbcr-coeff = <0>;
+		samsung,color-depth = <1>;
+	};
+
+	dmc {
+		mem-type = "ddr3";
+	};
+
+	xhci1: xhci@12400000 {
+		compatible = "samsung,exynos5250-xhci";
+		reg = <0x12400000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		phy {
+			compatible = "samsung,exynos5250-usb3-phy";
+			reg = <0x12500000 0x100>;
+		};
+	};
+};
diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c
index 6aa0509..5fb8664 100644
--- a/board/samsung/smdk5250/exynos5-dt.c
+++ b/board/samsung/smdk5250/exynos5-dt.c
@@ -25,44 +25,8 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if defined CONFIG_EXYNOS_TMU
-/*
- * Boot Time Thermal Analysis for SoC temperature threshold breach
- */
-static void boot_temp_check(void)
-{
-	int temp;
-
-	switch (tmu_monitor(&temp)) {
-	/* Status TRIPPED ans WARNING means corresponding threshold breach */
-	case TMU_STATUS_TRIPPED:
-		puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
-		set_ps_hold_ctrl();
-		hang();
-		break;
-	case TMU_STATUS_WARNING:
-		puts("EXYNOS_TMU: WARNING! Temperature very high\n");
-		break;
-	/*
-	 * TMU_STATUS_INIT means something is wrong with temperature sensing
-	 * and TMU status was changed back from NORMAL to INIT.
-	 */
-	case TMU_STATUS_INIT:
-	default:
-		debug("EXYNOS_TMU: Unknown TMU state\n");
-	}
-}
-#endif
-
-struct local_info {
-	struct cros_ec_dev *cros_ec_dev;	/* Pointer to cros_ec device */
-	int cros_ec_err;			/* Error for cros_ec, 0 if ok */
-};
-
-static struct local_info local;
-
 #ifdef CONFIG_SOUND_MAX98095
-static void  board_enable_audio_codec(void)
+static void board_enable_audio_codec(void)
 {
 	struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
 						samsung_get_base_gpio_part1();
@@ -73,261 +37,14 @@ static void  board_enable_audio_codec(void)
 }
 #endif
 
-struct cros_ec_dev *board_get_cros_ec_dev(void)
-{
-	return local.cros_ec_dev;
-}
-
-static int board_init_cros_ec_devices(const void *blob)
+int exynos_init(void)
 {
-	local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
-	if (local.cros_ec_err)
-		return -1;  /* Will report in board_late_init() */
-
-	return 0;
-}
-
-int board_init(void)
-{
-	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
-
-#if defined CONFIG_EXYNOS_TMU
-	if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
-		debug("%s: Failed to init TMU\n", __func__);
-		return -1;
-	}
-	boot_temp_check();
-#endif
-
-#ifdef CONFIG_EXYNOS_SPI
-	spi_init();
-#endif
-
-	if (board_init_cros_ec_devices(gd->fdt_blob))
-		return -1;
-
 #ifdef CONFIG_SOUND_MAX98095
 	board_enable_audio_codec();
 #endif
 	return 0;
 }
 
-int dram_init(void)
-{
-	int i;
-	u32 addr;
-
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
-		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
-		gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
-	}
-	return 0;
-}
-
-#if defined(CONFIG_POWER)
-static int pmic_reg_update(struct pmic *p, int reg, uint regval)
-{
-	u32 val;
-	int ret = 0;
-
-	ret = pmic_reg_read(p, reg, &val);
-	if (ret) {
-		debug("%s: PMIC %d register read failed\n", __func__, reg);
-		return -1;
-	}
-	val |= regval;
-	ret = pmic_reg_write(p, reg, val);
-	if (ret) {
-		debug("%s: PMIC %d register write failed\n", __func__, reg);
-		return -1;
-	}
-	return 0;
-}
-
-int power_init_board(void)
-{
-	struct pmic *p;
-
-	set_ps_hold_ctrl();
-
-	if (pmic_init(I2C_PMIC))
-		return -1;
-
-	p = pmic_get("MAX77686_PMIC");
-	if (!p)
-		return -ENODEV;
-
-	if (pmic_probe(p))
-		return -1;
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_32KHZ, MAX77686_32KHCP_EN))
-		return -1;
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BBAT,
-			    MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V))
-		return -1;
-
-	/* VDD_MIF */
-	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT,
-			   MAX77686_BUCK1OUT_1V)) {
-		debug("%s: PMIC %d register write failed\n", __func__,
-		      MAX77686_REG_PMIC_BUCK1OUT);
-		return -1;
-	}
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK1CRTL,
-			    MAX77686_BUCK1CTRL_EN))
-		return -1;
-
-	/* VDD_ARM */
-	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK2DVS1,
-			   MAX77686_BUCK2DVS1_1_3V)) {
-		debug("%s: PMIC %d register write failed\n", __func__,
-		      MAX77686_REG_PMIC_BUCK2DVS1);
-		return -1;
-	}
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK2CTRL1,
-			    MAX77686_BUCK2CTRL_ON))
-		return -1;
-
-	/* VDD_INT */
-	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK3DVS1,
-			   MAX77686_BUCK3DVS1_1_0125V)) {
-		debug("%s: PMIC %d register write failed\n", __func__,
-		      MAX77686_REG_PMIC_BUCK3DVS1);
-		return -1;
-	}
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK3CTRL,
-			    MAX77686_BUCK3CTRL_ON))
-		return -1;
-
-	/* VDD_G3D */
-	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK4DVS1,
-			   MAX77686_BUCK4DVS1_1_2V)) {
-		debug("%s: PMIC %d register write failed\n", __func__,
-		      MAX77686_REG_PMIC_BUCK4DVS1);
-		return -1;
-	}
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK4CTRL1,
-			    MAX77686_BUCK3CTRL_ON))
-		return -1;
-
-	/* VDD_LDO2 */
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO2CTRL1,
-			    MAX77686_LD02CTRL1_1_5V | EN_LDO))
-		return -1;
-
-	/* VDD_LDO3 */
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO3CTRL1,
-			    MAX77686_LD03CTRL1_1_8V | EN_LDO))
-		return -1;
-
-	/* VDD_LDO5 */
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO5CTRL1,
-			    MAX77686_LD05CTRL1_1_8V | EN_LDO))
-		return -1;
-
-	/* VDD_LDO10 */
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO10CTRL1,
-			    MAX77686_LD10CTRL1_1_8V | EN_LDO))
-		return -1;
-
-	return 0;
-}
-#endif
-
-void dram_init_banksize(void)
-{
-	int i;
-	u32 addr, size;
-
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
-		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
-		size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
-
-		gd->bd->bi_dram[i].start = addr;
-		gd->bd->bi_dram[i].size = size;
-	}
-}
-
-static int 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 Error: %s\n",
-		      fdt_strerror(err));
-		return -FDT_ERR_NOTFOUND;
-	}
-	return 0;
-}
-
-int board_eth_init(bd_t *bis)
-{
-#ifdef CONFIG_SMC911X
-	u32 smc_bw_conf, smc_bc_conf;
-	struct fdt_sromc config;
-	fdt_addr_t base_addr;
-	int node;
-
-	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;
-	}
-
-	/* 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;
-}
-
 #ifdef CONFIG_DISPLAY_BOARDINFO
 int checkboard(void)
 {
@@ -343,50 +60,6 @@ int checkboard(void)
 }
 #endif
 
-#ifdef CONFIG_GENERIC_MMC
-int board_mmc_init(bd_t *bis)
-{
-	int ret;
-	/* dwmmc initializattion for available channels */
-	ret = exynos_dwmmc_init(gd->fdt_blob);
-	if (ret)
-		debug("dwmmc init failed\n");
-
-	return ret;
-}
-#endif
-
-static int board_uart_init(void)
-{
-	int err, uart_id, ret = 0;
-
-	for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
-		err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
-		if (err) {
-			debug("UART%d not configured\n",
-			      (uart_id - PERIPH_ID_UART0));
-			ret |= err;
-		}
-	}
-	return ret;
-}
-
-#ifdef CONFIG_BOARD_EARLY_INIT_F
-int board_early_init_f(void)
-{
-	int err;
-	err = board_uart_init();
-	if (err) {
-		debug("UART init failed\n");
-		return err;
-	}
-#ifdef CONFIG_SYS_I2C_INIT_BOARD
-	board_i2c_init(gd->fdt_blob);
-#endif
-	return err;
-}
-#endif
-
 #ifdef CONFIG_LCD
 void exynos_cfg_lcd_gpio(void)
 {
@@ -410,22 +83,3 @@ void exynos_set_dp_phy(unsigned int onoff)
 	set_dp_phy_ctrl(onoff);
 }
 #endif
-
-#ifdef CONFIG_BOARD_LATE_INIT
-int board_late_init(void)
-{
-	stdio_print_current_devices();
-
-	if (local.cros_ec_err) {
-		/* Force console on */
-		gd->flags &= ~GD_FLG_SILENT;
-
-		printf("cros-ec communications failure %d\n",
-		       local.cros_ec_err);
-		puts("\nPlease reset with Power+Refresh\n\n");
-		panic("Cannot init cros-ec device");
-		return -1;
-	}
-	return 0;
-}
-#endif
diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
index 97fe0ad..943c29a 100644
--- a/board/samsung/smdk5250/smdk5250.c
+++ b/board/samsung/smdk5250/smdk5250.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <cros_ec.h>
 #include <fdtdec.h>
 #include <asm/io.h>
 #include <errno.h>
@@ -26,7 +27,7 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_USB_EHCI_EXYNOS
-int board_usb_vbus_init(void)
+static int board_usb_vbus_init(void)
 {
 	struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
 						samsung_get_base_gpio_part1();
@@ -53,13 +54,8 @@ static void  board_enable_audio_codec(void)
 }
 #endif
 
-int board_init(void)
+int exynos_init(void)
 {
-	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
-
-#ifdef CONFIG_EXYNOS_SPI
-	spi_init();
-#endif
 #ifdef CONFIG_USB_EHCI_EXYNOS
 	board_usb_vbus_init();
 #endif
@@ -69,147 +65,6 @@ int board_init(void)
 	return 0;
 }
 
-int dram_init(void)
-{
-	int i;
-	u32 addr;
-
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
-		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
-		gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
-	}
-	return 0;
-}
-
-#if defined(CONFIG_POWER)
-static int pmic_reg_update(struct pmic *p, int reg, uint regval)
-{
-	u32 val;
-	int ret = 0;
-
-	ret = pmic_reg_read(p, reg, &val);
-	if (ret) {
-		debug("%s: PMIC %d register read failed\n", __func__, reg);
-		return -1;
-	}
-	val |= regval;
-	ret = pmic_reg_write(p, reg, val);
-	if (ret) {
-		debug("%s: PMIC %d register write failed\n", __func__, reg);
-		return -1;
-	}
-	return 0;
-}
-
-int power_init_board(void)
-{
-	struct pmic *p;
-
-	set_ps_hold_ctrl();
-
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-
-	if (pmic_init(I2C_PMIC))
-		return -1;
-
-	p = pmic_get("MAX77686_PMIC");
-	if (!p)
-		return -ENODEV;
-
-	if (pmic_probe(p))
-		return -1;
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_32KHZ, MAX77686_32KHCP_EN))
-		return -1;
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BBAT,
-				MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V))
-		return -1;
-
-	/* VDD_MIF */
-	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT,
-						MAX77686_BUCK1OUT_1_05V)) {
-		debug("%s: PMIC %d register write failed\n", __func__,
-						MAX77686_REG_PMIC_BUCK1OUT);
-		return -1;
-	}
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK1CRTL,
-						MAX77686_BUCK1CTRL_EN))
-		return -1;
-
-	/* VDD_ARM */
-	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK2DVS1,
-					MAX77686_BUCK2DVS1_1_3V)) {
-		debug("%s: PMIC %d register write failed\n", __func__,
-						MAX77686_REG_PMIC_BUCK2DVS1);
-		return -1;
-	}
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK2CTRL1,
-					MAX77686_BUCK2CTRL_ON))
-		return -1;
-
-	/* VDD_INT */
-	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK3DVS1,
-					MAX77686_BUCK3DVS1_1_0125V)) {
-		debug("%s: PMIC %d register write failed\n", __func__,
-						MAX77686_REG_PMIC_BUCK3DVS1);
-		return -1;
-	}
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK3CTRL,
-					MAX77686_BUCK3CTRL_ON))
-		return -1;
-
-	/* VDD_G3D */
-	if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK4DVS1,
-					MAX77686_BUCK4DVS1_1_2V)) {
-		debug("%s: PMIC %d register write failed\n", __func__,
-						MAX77686_REG_PMIC_BUCK4DVS1);
-		return -1;
-	}
-
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK4CTRL1,
-					MAX77686_BUCK3CTRL_ON))
-		return -1;
-
-	/* VDD_LDO2 */
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO2CTRL1,
-				MAX77686_LD02CTRL1_1_5V | EN_LDO))
-		return -1;
-
-	/* VDD_LDO3 */
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO3CTRL1,
-				MAX77686_LD03CTRL1_1_8V | EN_LDO))
-		return -1;
-
-	/* VDD_LDO5 */
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO5CTRL1,
-				MAX77686_LD05CTRL1_1_8V | EN_LDO))
-		return -1;
-
-	/* VDD_LDO10 */
-	if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO10CTRL1,
-				MAX77686_LD10CTRL1_1_8V | EN_LDO))
-		return -1;
-
-	return 0;
-}
-#endif
-
-void dram_init_banksize(void)
-{
-	int i;
-	u32 addr, size;
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
-		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
-		size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
-		gd->bd->bi_dram[i].start = addr;
-		gd->bd->bi_dram[i].size = size;
-	}
-}
-
 int board_eth_init(bd_t *bis)
 {
 #ifdef CONFIG_SMC911X
@@ -301,21 +156,6 @@ int board_mmc_init(bd_t *bis)
 }
 #endif
 
-static int board_uart_init(void)
-{
-	int err, uart_id, ret = 0;
-
-	for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
-		err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
-		if (err) {
-			debug("UART%d not configured\n",
-			      (uart_id - PERIPH_ID_UART0));
-			ret |= err;
-		}
-	}
-	return ret;
-}
-
 void board_i2c_init(const void *blob)
 {
 	int i;
@@ -326,22 +166,6 @@ void board_i2c_init(const void *blob)
 	}
 }
 
-#ifdef CONFIG_BOARD_EARLY_INIT_F
-int board_early_init_f(void)
-{
-	int err;
-	err = board_uart_init();
-	if (err) {
-		debug("UART init failed\n");
-		return err;
-	}
-#ifdef CONFIG_SYS_I2C_INIT_BOARD
-	board_i2c_init(NULL);
-#endif
-	return err;
-}
-#endif
-
 #ifdef CONFIG_LCD
 void exynos_cfg_lcd_gpio(void)
 {
diff --git a/board/samsung/smdk5420/Makefile b/board/samsung/smdk5420/Makefile
new file mode 100644
index 0000000..c2f8886
--- /dev/null
+++ b/board/samsung/smdk5420/Makefile
@@ -0,0 +1,11 @@
+#
+# Copyright (C) 2013 Samsung Electronics
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	+= smdk5420_spl.o
+
+ifndef CONFIG_SPL_BUILD
+obj-y	+= smdk5420.o
+endif
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c
new file mode 100644
index 0000000..3ad2ad0
--- /dev/null
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include <lcd.h>
+#include <spi.h>
+#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/dp_info.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_USB_EHCI_EXYNOS
+static int board_usb_vbus_init(void)
+{
+	struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
+						samsung_get_base_gpio_part1();
+
+	/* Enable VBUS power switch */
+	s5p_gpio_direction_output(&gpio1->x2, 6, 1);
+
+	/* VBUS turn ON time */
+	mdelay(3);
+
+	return 0;
+}
+#endif
+
+int exynos_init(void)
+{
+#ifdef CONFIG_USB_EHCI_EXYNOS
+	board_usb_vbus_init();
+#endif
+	return 0;
+}
+
+#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
+
+int board_get_revision(void)
+{
+	return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	const char *board_name;
+
+	board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+	if (board_name == NULL)
+		printf("\nUnknown Board\n");
+	else
+		printf("\nBoard: %s\n", board_name);
+
+	return 0;
+}
+#endif
diff --git a/board/samsung/smdk5420/smdk5420_spl.c b/board/samsung/smdk5420/smdk5420_spl.c
new file mode 100644
index 0000000..73359f7
--- /dev/null
+++ b/board/samsung/smdk5420/smdk5420_spl.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2013 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/spl.h>
+#include <asm/arch/clk.h>
+
+#define SIGNATURE	0xdeadbeef
+
+/* Parameters of early board initialization in SPL */
+static struct spl_machine_param machine_param
+		__attribute__((section(".machine_param"))) = {
+	.signature	= SIGNATURE,
+	.version	= 1,
+	.params		= "vmubfasirM",
+	.size		= sizeof(machine_param),
+
+	.mem_iv_size	= 0x1f,
+	.mem_type	= DDR_MODE_DDR3,
+
+	/*
+	 * Set uboot_size to 0x100000 bytes.
+	 *
+	 * This is an overly conservative value chosen to accommodate all
+	 * possible U-Boot image.  You are advised to set this value to a
+	 * smaller realistic size via scripts that modifies the .machine_param
+	 * section of output U-Boot image.
+	 */
+	.uboot_size	= 0x100000,
+
+	.boot_source	= BOOT_MODE_OM,
+	.frequency_mhz	= 800,
+	.arm_freq_mhz	= 900,
+	.serial_base	= 0x12c30000,
+	.i2c_base	= 0x12c60000,
+	.mem_manuf	= MEM_MANUF_SAMSUNG,
+};
+
+struct spl_machine_param *spl_get_machine_params(void)
+{
+	if (machine_param.signature != SIGNATURE) {
+		/* Will hang if SIGNATURE dont match */
+		while (1)
+			;
+	}
+
+	return &machine_param;
+}
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
index 8aba51c..640a193 100644
--- a/board/samsung/trats/trats.c
+++ b/board/samsung/trats/trats.c
@@ -295,7 +295,7 @@ int power_init_board(void)
 	 */
 	ret = pmic_init(I2C_5);
 	ret |= pmic_init_max8997();
-	ret |= power_fg_init(I2C_8);
+	ret |= power_fg_init(I2C_9);
 	ret |= power_muic_init(I2C_5);
 	ret |= power_bat_init(0);
 	if (ret)
diff --git a/board/samsung/trats2/trats2.c b/board/samsung/trats2/trats2.c
index 147de17..be15357 100644
--- a/board/samsung/trats2/trats2.c
+++ b/board/samsung/trats2/trats2.c
@@ -195,9 +195,9 @@ int power_init_board(void)
 #endif
 	pmic_init(I2C_7);		/* I2C adapter 7 - bus name s3c24x0_7 */
 	pmic_init_max77686();
-	pmic_init_max77693(I2C_9);	/* I2C adapter 9 - bus name soft1 */
-	power_muic_init(I2C_9);		/* I2C adapter 9 - bus name soft1 */
-	power_fg_init(I2C_8);		/* I2C adapter 8 - bus name soft0 */
+	pmic_init_max77693(I2C_10);	/* I2C adapter 10 - bus name soft1 */
+	power_muic_init(I2C_10);	/* I2C adapter 10 - bus name soft1 */
+	power_fg_init(I2C_9);		/* I2C adapter 9 - bus name soft0 */
 	power_bat_init(0);
 
 	p_chrg = pmic_get("MAX77693_PMIC");
diff --git a/boards.cfg b/boards.cfg
index e4832c3..9949bb5 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -276,6 +276,7 @@ Active  arm         armv7          exynos      samsung         arndale
 Active  arm         armv7          exynos      samsung         origen              origen                               -                                                                                                                                 Chander Kashyap <k.chander@samsung.com>
 Active  arm         armv7          exynos      samsung         smdk5250            smdk5250                             -                                                                                                                                 Chander Kashyap <k.chander@samsung.com>
 Active  arm         armv7          exynos      samsung         smdk5250            snow                                 -                                                                                                                                 Rajeshwari Shinde <rajeshwari.s@samsung.com>
+Active  arm         armv7          exynos      samsung         smdk5420            smdk5420                                 -                                                                                                                                 Rajeshwari Shinde <rajeshwari.s@samsung.com>
 Active  arm         armv7          exynos      samsung         smdkv310            smdkv310                             -                                                                                                                                 Chander Kashyap <k.chander@samsung.com>
 Active  arm         armv7          exynos      samsung         trats               trats                                -                                                                                                                                 Lukasz Majewski <l.majewski@samsung.com>
 Active  arm         armv7          exynos      samsung         trats2              trats2                               -                                                                                                                                 Piotr Wilczek <p.wilczek@samsung.com>
diff --git a/include/configs/arndale.h b/include/configs/arndale.h
index a3cb56b..b7fb29e 100644
--- a/include/configs/arndale.h
+++ b/include/configs/arndale.h
@@ -117,6 +117,7 @@
 #define CONFIG_USB_STORAGE
 
 /* MMC SPL */
+#define CONFIG_EXYNOS_SPL
 #define CONFIG_SPL
 #define COPY_BL2_FNPTR_ADDR	0x02020030
 
diff --git a/include/configs/exynos5-dt.h b/include/configs/exynos5-dt.h
new file mode 100644
index 0000000..d684790
--- /dev/null
+++ b/include/configs/exynos5-dt.h
@@ -0,0 +1,290 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * Configuration settings for the SAMSUNG EXYNOS5 board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#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 */
+
+#include <asm/arch/cpu.h>		/* get chip and board defs */
+
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_BOARD_COMMON
+#define CONFIG_ARCH_EARLY_INIT_R
+#define CONFIG_EXYNOS_SPL
+
+/* Enable fdt support for Exynos5250 */
+#define CONFIG_OF_CONTROL
+#define CONFIG_OF_SEPARATE
+
+/* Allow tracing to be enabled */
+#define CONFIG_TRACE
+#define CONFIG_CMD_TRACE
+#define CONFIG_TRACE_BUFFER_SIZE	(16 << 20)
+#define CONFIG_TRACE_EARLY_SIZE		(8 << 20)
+#define CONFIG_TRACE_EARLY
+#define CONFIG_TRACE_EARLY_ADDR		0x50000000
+
+/* Keep L2 Cache Disabled */
+#define CONFIG_SYS_DCACHE_OFF
+#define CONFIG_SYS_CACHELINE_SIZE	64
+
+/* Enable ACE acceleration for SHA1 and SHA256 */
+#define CONFIG_EXYNOS_ACE_SHA
+#define CONFIG_SHA_HW_ACCEL
+
+/* 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
+
+/* 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
+#define INFORM2_OFFSET			0x808
+#define INFORM3_OFFSET			0x80c
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (4 << 20))
+
+/* select serial console configuration */
+#define CONFIG_BAUDRATE			115200
+#define EXYNOS5_DEFAULT_UART_OFFSET	0x010000
+#define CONFIG_SILENT_CONSOLE
+
+/* Enable keyboard */
+#define CONFIG_CROS_EC		/* CROS_EC protocol */
+#define CONFIG_CROS_EC_SPI		/* Support CROS_EC over SPI */
+#define CONFIG_CROS_EC_I2C		/* Support CROS_EC over I2C */
+#define CONFIG_CROS_EC_KEYB	/* CROS_EC keyboard input */
+#define CONFIG_CMD_CROS_EC
+#define CONFIG_KEYBOARD
+
+/* Console configuration */
+#define CONFIG_CONSOLE_MUX
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define EXYNOS_DEVICE_SETTINGS \
+		"stdin=serial,cros-ec-keyb\0" \
+		"stdout=serial,lcd\0" \
+		"stderr=serial,lcd\0"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	EXYNOS_DEVICE_SETTINGS
+
+/* SD/MMC configuration */
+#define CONFIG_GENERIC_MMC
+#define CONFIG_MMC
+#define CONFIG_SDHCI
+#define CONFIG_S5P_SDHCI
+#define CONFIG_DWMMC
+#define CONFIG_EXYNOS_DWMMC
+#define CONFIG_SUPPORT_EMMC_BOOT
+
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+/* 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_CMD_HASH
+
+#define CONFIG_BOOTDELAY		3
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+
+/* Thermal Management Unit */
+#define CONFIG_EXYNOS_TMU
+#define CONFIG_CMD_DTT
+#define CONFIG_TMU_CMD_DTT
+
+/* TPM */
+#define CONFIG_TPM
+#define CONFIG_CMD_TPM
+#define CONFIG_TPM_TIS_I2C
+#define CONFIG_TPM_TIS_I2C_BUS_NUMBER	3
+#define CONFIG_TPM_TIS_I2C_SLAVE_ADDR	0x20
+
+/* MMC SPL */
+#define CONFIG_SPL
+#define COPY_BL2_FNPTR_ADDR	0x02020030
+
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_GPIO_SUPPORT
+
+/* specific .lds file */
+#define CONFIG_SPL_LDSCRIPT	"board/samsung/common/exynos-uboot-spl.lds"
+#define CONFIG_SPL_MAX_FOOTPRINT	(14 * 1024)
+
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_LONGHELP		/* undef to save memory */
+#define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser	*/
+#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_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_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 CONFIG_SPI_BOOTING
+#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_EFI_PARTITION
+#define CONFIG_CMD_PART
+#define CONFIG_PARTITION_UUIDS
+
+/* I2C */
+#define CONFIG_SYS_I2C_INIT_BOARD
+#define CONFIG_SYS_I2C
+#define CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C_S3C24X0_SPEED	100000		/* 100 Kbps */
+#define CONFIG_SYS_I2C_S3C24X0
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SYS_I2C_S3C24X0_SLAVE    0x0
+#define CONFIG_I2C_EDID
+
+/* SPI */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_SPI_FLASH
+#define CONFIG_ENV_SPI_BASE	0x12D30000
+
+#ifdef CONFIG_SPI_FLASH
+#define CONFIG_EXYNOS_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SPI_FLASH_GIGADEVICE
+#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
+#define CONFIG_SF_DEFAULT_SPEED		50000000
+#define EXYNOS5_SPI_NUM_CONTROLLERS	5
+#define CONFIG_OF_SPI
+#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
+
+/* 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
+
+/* Enable devicetree support */
+#define CONFIG_OF_LIBFDT
+
+/* SHA hashing */
+#define CONFIG_CMD_HASH
+#define CONFIG_HASH_VERIFY
+#define CONFIG_SHA1
+#define CONFIG_SHA256
+
+/* Enable Time Command */
+#define CONFIG_CMD_TIME
+
+#define CONFIG_CMD_BOOTZ
+
+#endif	/* __CONFIG_H */
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
index 8fb904c..615df64 100644
--- a/include/configs/exynos5250-dt.h
+++ b/include/configs/exynos5250-dt.h
@@ -1,3 +1,4 @@
+
 /*
  * Copyright (C) 2012 Samsung Electronics
  *
@@ -6,132 +7,19 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#ifndef __CONFIG_H
-#define __CONFIG_H
+#ifndef __CONFIG_5250_H
+#define __CONFIG_5250_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 */
+#include <configs/exynos5-dt.h>
 #define CONFIG_EXYNOS5250
 
-#include <asm/arch/cpu.h>		/* get chip and board defs */
-
-#define CONFIG_SYS_GENERIC_BOARD
-#define CONFIG_ARCH_CPU_INIT
-#define CONFIG_DISPLAY_CPUINFO
-#define CONFIG_DISPLAY_BOARDINFO
-
-/* Enable fdt support for Exynos5250 */
-#define CONFIG_OF_CONTROL
-#define CONFIG_OF_SEPARATE
-
-/* Allow tracing to be enabled */
-#define CONFIG_TRACE
-#define CONFIG_CMD_TRACE
-#define CONFIG_TRACE_BUFFER_SIZE	(16 << 20)
-#define CONFIG_TRACE_EARLY_SIZE		(8 << 20)
-#define CONFIG_TRACE_EARLY
-#define CONFIG_TRACE_EARLY_ADDR		0x50000000
-
-/* Keep L2 Cache Disabled */
-#define CONFIG_SYS_DCACHE_OFF
-
-#define CONFIG_SYS_CACHELINE_SIZE	64
-
-/* Enable ACE acceleration for SHA1 and SHA256 */
-#define CONFIG_EXYNOS_ACE_SHA
-#define CONFIG_SHA_HW_ACCEL
-
 #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_BAUDRATE			115200
-#define EXYNOS5_DEFAULT_UART_OFFSET	0x010000
-#define CONFIG_SILENT_CONSOLE
-
-/* Enable keyboard */
-#define CONFIG_CROS_EC		/* CROS_EC protocol */
-#define CONFIG_CROS_EC_SPI		/* Support CROS_EC over SPI */
-#define CONFIG_CROS_EC_I2C		/* Support CROS_EC over I2C */
-#define CONFIG_CROS_EC_KEYB	/* CROS_EC keyboard input */
-#define CONFIG_CMD_CROS_EC
-#define CONFIG_KEYBOARD
-
-/* Console configuration */
-#define CONFIG_CONSOLE_MUX
-#define CONFIG_SYS_CONSOLE_IS_IN_ENV
-#define EXYNOS_DEVICE_SETTINGS \
-		"stdin=serial,cros-ec-keyb\0" \
-		"stdout=serial,lcd\0" \
-		"stderr=serial,lcd\0"
-
-#define CONFIG_EXTRA_ENV_SETTINGS \
-	EXYNOS_DEVICE_SETTINGS
-
-/* SD/MMC configuration */
-#define CONFIG_GENERIC_MMC
-#define CONFIG_MMC
-#define CONFIG_SDHCI
-#define CONFIG_S5P_SDHCI
-#define CONFIG_DWMMC
-#define CONFIG_EXYNOS_DWMMC
-#define CONFIG_SUPPORT_EMMC_BOOT
-
-
-#define CONFIG_BOARD_EARLY_INIT_F
-#define CONFIG_SKIP_LOWLEVEL_INIT
-
-/* 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_CMD_HASH
-
-#define CONFIG_BOOTDELAY		3
-#define CONFIG_ZERO_BOOTDELAY_CHECK
-
-/* Thermal Management Unit */
-#define CONFIG_EXYNOS_TMU
-#define CONFIG_CMD_DTT
-#define CONFIG_TMU_CMD_DTT
-
 /* USB */
 #define CONFIG_CMD_USB
 #define CONFIG_USB_XHCI
@@ -145,168 +33,20 @@
 #define EXYNOS_USB_SECONDARY_BOOT	0xfeed0002
 #define EXYNOS_IRAM_SECONDARY_BASE	0x02020018
 
-/* TPM */
-#define CONFIG_TPM
-#define CONFIG_CMD_TPM
-#define CONFIG_TPM_TIS_I2C
-#define CONFIG_TPM_TIS_I2C_BUS_NUMBER	3
-#define CONFIG_TPM_TIS_I2C_SLAVE_ADDR	0x20
-
-/* MMC SPL */
-#define CONFIG_SPL
-#define COPY_BL2_FNPTR_ADDR	0x02020030
-
-#define CONFIG_SPL_LIBCOMMON_SUPPORT
-#define CONFIG_SPL_GPIO_SUPPORT
-
-/* specific .lds file */
-#define CONFIG_SPL_LDSCRIPT	"board/samsung/common/exynos-uboot-spl.lds"
 #define CONFIG_SPL_TEXT_BASE	0x02023400
-#define CONFIG_SPL_MAX_FOOTPRINT	(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_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 CONFIG_SPI_BOOTING
-#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_EFI_PARTITION
-#define CONFIG_CMD_PART
-#define CONFIG_PARTITION_UUIDS
-
-
 #define CONFIG_IRAM_STACK	0x02050000
 
 #define CONFIG_SYS_INIT_SP_ADDR	CONFIG_IRAM_STACK
 
-/* I2C */
-#define CONFIG_SYS_I2C_INIT_BOARD
-#define CONFIG_SYS_I2C
-#define CONFIG_CMD_I2C
-#define CONFIG_SYS_I2C_S3C24X0_SPEED	100000		/* 100 Kbps */
-#define CONFIG_SYS_I2C_S3C24X0
-#define CONFIG_I2C_MULTI_BUS
-#define CONFIG_MAX_I2C_NUM	8
-#define CONFIG_SYS_I2C_S3C24X0_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
-#define CONFIG_ENV_SPI_BASE	0x12D30000
-
-#ifdef CONFIG_SPI_FLASH
-#define CONFIG_EXYNOS_SPI
-#define CONFIG_CMD_SF
-#define CONFIG_CMD_SPI
-#define CONFIG_SPI_FLASH_WINBOND
-#define CONFIG_SPI_FLASH_GIGADEVICE
-#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
-#define CONFIG_SF_DEFAULT_SPEED		50000000
-#define EXYNOS5_SPI_NUM_CONTROLLERS	5
-#define CONFIG_OF_SPI
-#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
-
-/* 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
@@ -316,14 +56,8 @@
 #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
+/* I2C */
+#define CONFIG_MAX_I2C_NUM	8
 
 /* Display */
 #define CONFIG_LCD
@@ -334,8 +68,4 @@
 #define LCD_YRES			1600
 #define LCD_BPP			LCD_COLOR16
 #endif
-
-/* Enable Time Command */
-#define CONFIG_CMD_TIME
-
-#endif	/* __CONFIG_H */
+#endif  /* __CONFIG_5250_H */
diff --git a/include/configs/smdk5420.h b/include/configs/smdk5420.h
new file mode 100644
index 0000000..447f8e5
--- /dev/null
+++ b/include/configs/smdk5420.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * Configuration settings for the SAMSUNG EXYNOS5420 board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_5420_H
+#define __CONFIG_5420_H
+
+#include <configs/exynos5-dt.h>
+
+#define CONFIG_EXYNOS5420		/* which is in a Exynos5 Family */
+#define CONFIG_SMDK5420			/* which is in a SMDK5420 */
+
+#undef CONFIG_DEFAULT_DEVICE_TREE
+#define CONFIG_DEFAULT_DEVICE_TREE	exynos5420-smdk5420
+
+#define CONFIG_ARCH_DEVICE_TREE		exynos5420
+
+#define CONFIG_VAR_SIZE_SPL
+
+#define CONFIG_SYS_SDRAM_BASE		0x20000000
+#define CONFIG_SYS_TEXT_BASE		0x23E00000
+
+#define CONFIG_BOARD_REV_GPIO_COUNT	2
+
+/* MACH_TYPE_SMDK5420 macro will be removed once added to mach-types */
+#define MACH_TYPE_SMDK5420		8002 /* Temporary number */
+#define CONFIG_MACH_TYPE		MACH_TYPE_SMDK5420
+
+/* select serial console configuration */
+#define CONFIG_SERIAL3			/* use SERIAL 3 */
+
+#ifdef CONFIG_VAR_SIZE_SPL
+#define CONFIG_SPL_TEXT_BASE		0x02024410
+#else
+#define CONFIG_SPL_TEXT_BASE	0x02024400
+#endif
+
+#define CONFIG_BOOTCOMMAND	"mmc read 20007000 451 2000; bootm 20007000"
+
+#define CONFIG_SYS_PROMPT		"SMDK5420 # "
+#define CONFIG_IDENT_STRING		" for SMDK5420"
+
+#define CONFIG_IRAM_TOP		0x02074000
+/*
+ * Put the initial stack pointer 1KB below this to allow room for the
+ * SPL marker. This value is arbitrary, but gd_t is placed starting here.
+ */
+#define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_IRAM_TOP - 0x800)
+
+#define CONFIG_MAX_I2C_NUM	11
+
+#endif	/* __CONFIG_5420_H */
diff --git a/include/configs/trats2.h b/include/configs/trats2.h
index 5d86a3d..c9ce828 100644
--- a/include/configs/trats2.h
+++ b/include/configs/trats2.h
@@ -160,6 +160,7 @@
 #define PARTS_UMS		"ums"
 
 #define PARTS_DEFAULT \
+	"uuid_disk=${uuid_gpt_disk};" \
 	"name="PARTS_CSA",start=5MiB,size=8MiB,uuid=${uuid_gpt_"PARTS_CSA"};" \
 	"name="PARTS_BOOT",size=64MiB,uuid=${uuid_gpt_"PARTS_BOOT"};" \
 	"name="PARTS_MODEM",size=100MiB,uuid=${uuid_gpt_"PARTS_MODEM"};" \
@@ -201,7 +202,7 @@
 		"${kernelname}\0" \
 	"loaddtb=ext4load mmc ${mmcdev}:${mmcbootpart} ${fdtaddr} " \
 		"${fdtfile}\0" \
-	"mmcdev=CONFIG_MMC_DEFAULT_DEV\0" \
+	"mmcdev=" __stringify(CONFIG_MMC_DEFAULT_DEV) "\0" \
 	"mmcbootpart=2\0" \
 	"mmcrootpart=5\0" \
 	"opts=always_resume=1\0" \
diff --git a/spl/Makefile b/spl/Makefile
index 2a787af..0caa982 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -166,8 +166,13 @@ endif
 all:	$(ALL-y)
 
 ifdef CONFIG_SAMSUNG
+ifdef CONFIG_VAR_SIZE_SPL
+VAR_SIZE_PARAM = --vs
+else
+VAR_SIZE_PARAM =
+endif
 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
-	$(OBJTREE)/tools/mk$(BOARD)spl $< $@
+	$(OBJTREE)/tools/mk$(BOARD)spl $(VAR_SIZE_PARAM) $< $@
 endif
 
 $(obj)$(SPL_BIN).bin:	$(obj)$(SPL_BIN)
diff --git a/tools/Makefile b/tools/Makefile
index 14d94e3..d4bc84d 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -53,6 +53,7 @@ BIN_FILES-$(CONFIG_XWAY_SWAP_BYTES) += xway-swap-bytes$(SFX)
 BIN_FILES-y += mkenvimage$(SFX)
 BIN_FILES-y += mkimage$(SFX)
 BIN_FILES-$(CONFIG_EXYNOS5250) += mk$(BOARD)spl$(SFX)
+BIN_FILES-$(CONFIG_EXYNOS5420) += mk$(BOARD)spl$(SFX)
 BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX)
 BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX)
 BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
@@ -87,7 +88,7 @@ NOPED_OBJ_FILES-y += ublimage.o
 OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += envcrc.o
 OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o
 OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o
-OBJ_FILES-$(CONFIG_EXYNOS5250) += mkexynosspl.o
+OBJ_FILES-$(CONFIG_EXYNOS_SPL) += mkexynosspl.o
 OBJ_FILES-$(CONFIG_KIRKWOOD) += kwboot.o
 OBJ_FILES-$(CONFIG_LCD_LOGO) += bmp_logo.o
 OBJ_FILES-$(CONFIG_MX23) += mxsboot.o
diff --git a/tools/mkexynosspl.c b/tools/mkexynosspl.c
index ef685b7..32b786c 100644
--- a/tools/mkexynosspl.c
+++ b/tools/mkexynosspl.c
@@ -14,93 +14,174 @@
 #include <compiler.h>
 
 #define CHECKSUM_OFFSET		(14*1024-4)
-#define BUFSIZE			(14*1024)
 #define FILE_PERM		(S_IRUSR | S_IWUSR | S_IRGRP \
 				| S_IWGRP | S_IROTH | S_IWOTH)
 /*
-* Requirement:
-* IROM code reads first 14K bytes from boot device.
-* It then calculates the checksum of 14K-4 bytes and compare with data at
-* 14K-4 offset.
-*
-* This function takes two filenames:
-* IN  "u-boot-spl.bin" and
-* OUT "$(BOARD)-spl.bin as filenames.
-* It reads the "u-boot-spl.bin" in 16K buffer.
-* It calculates checksum of 14K-4 Bytes and stores at 14K-4 offset in buffer.
-* It writes the buffer to "$(BOARD)-spl.bin" file.
-*/
+ * Requirement for the fixed size SPL header:
+ * IROM code reads first (CHECKSUM_OFFSET + 4) bytes from boot device. It then
+ * calculates the checksum of CHECKSUM_OFFSET bytes and compares with data at
+ * CHECKSUM_OFFSET location.
+ *
+ * Requirement for the variable size SPL header:
+
+ * IROM code reads the below header to find out the size of the blob (total
+ * size, header size included) and its checksum. Then it reads the rest of the
+ * blob [i.e size - sizeof(struct var_size_header) bytes], calculates the
+ * checksum and compares it with value read from the header.
+ */
+struct var_size_header {
+	uint32_t spl_size;
+	uint32_t spl_checksum;
+	uint32_t reserved[2];
+};
+
+static const char *prog_name;
+
+static void write_to_file(int ofd, void *buffer, int size)
+{
+	if (write(ofd, buffer, size) == size)
+		return;
+
+	fprintf(stderr, "%s: Failed to write to output file: %s\n",
+		prog_name, strerror(errno));
+	exit(EXIT_FAILURE);
+}
 
+/*
+ * The argv is expected to include one optional parameter and two filenames:
+ * [--vs] IN OUT
+ *
+ * --vs - turns on the variable size SPL mode
+ * IN  - the u-boot SPL binary, usually u-boot-spl.bin
+ * OUT - the prepared SPL blob, usually ${BOARD}-spl.bin
+ *
+ * This utility first reads the "u-boot-spl.bin" into a buffer. In case of
+ * fixed size SPL the buffer size is exactly CHECKSUM_OFFSET (such that
+ * smaller u-boot-spl.bin gets padded with 0xff bytes, the larger than limit
+ * u-boot-spl.bin causes an error). For variable size SPL the buffer size is
+ * eqaul to size of the IN file.
+ *
+ * Then it calculates checksum of the buffer by just summing up all bytes.
+ * Then
+ *
+ * - for fixed size SPL the buffer is written into the output file and the
+ *   checksum is appended to the file in little endian format, which results
+ *   in checksum added exactly at CHECKSUM_OFFSET.
+ *
+ * - for variable size SPL the checksum and file size are stored in the
+ *   var_size_header structure (again, in little endian format) and the
+ *   structure is written into the output file. Then the buffer is written
+ *   into the output file.
+ */
 int main(int argc, char **argv)
 {
-	unsigned char buffer[BUFSIZE];
+	unsigned char *buffer;
 	int i, ifd, ofd;
 	uint32_t checksum = 0;
 	off_t	len;
-	ssize_t count;
+	int	var_size_flag, read_size, count;
 	struct stat stat;
-
-	if (argc != 3) {
-		fprintf(stderr, "Usage: %s <infile> <outfile>\n", argv[0]);
+	const int if_index = argc - 2; /* Input file name index in argv. */
+	const int of_index = argc - 1; /* Output file name index in argv. */
+
+	/* Strip path off the program name. */
+	prog_name = strrchr(argv[0], '/');
+	if (prog_name)
+		prog_name++;
+	else
+		prog_name = argv[0];
+
+	if ((argc < 3) ||
+	    (argc > 4) ||
+	    ((argc == 4) && strcmp(argv[1], "--vs"))) {
+		fprintf(stderr, "Usage: %s [--vs] <infile> <outfile>\n",
+			prog_name);
 		exit(EXIT_FAILURE);
 	}
 
-	ifd = open(argv[1], O_RDONLY);
+	/* four args mean variable size SPL wrapper is required */
+	var_size_flag = (argc == 4);
+
+	ifd = open(argv[if_index], O_RDONLY);
 	if (ifd < 0) {
 		fprintf(stderr, "%s: Can't open %s: %s\n",
-			argv[0], argv[1], strerror(errno));
+			prog_name, argv[if_index], strerror(errno));
 		exit(EXIT_FAILURE);
 	}
 
-	ofd = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC, FILE_PERM);
+	ofd = open(argv[of_index], O_WRONLY | O_CREAT | O_TRUNC, FILE_PERM);
 	if (ifd < 0) {
 		fprintf(stderr, "%s: Can't open %s: %s\n",
-			argv[0], argv[2], strerror(errno));
-		close(ifd);
+			prog_name, argv[of_index], strerror(errno));
 		exit(EXIT_FAILURE);
 	}
 
 	if (fstat(ifd, &stat)) {
 		fprintf(stderr, "%s: Unable to get size of %s: %s\n",
-			argv[0], argv[1], strerror(errno));
-		close(ifd);
-		close(ofd);
+			prog_name, argv[if_index], strerror(errno));
 		exit(EXIT_FAILURE);
 	}
 
 	len = stat.st_size;
 
-	count = (len < CHECKSUM_OFFSET) ? len : CHECKSUM_OFFSET;
-
-	if (read(ifd, buffer, count) != count) {
-		fprintf(stderr, "%s: Can't read %s: %s\n",
-			argv[0], argv[1], strerror(errno));
+	if (var_size_flag) {
+		read_size = len;
+		count = len;
+	} else {
+		if (len > CHECKSUM_OFFSET) {
+			fprintf(stderr,
+				"%s: %s is too big (exceeds %d bytes)\n",
+				prog_name, argv[if_index], CHECKSUM_OFFSET);
+			exit(EXIT_FAILURE);
+		}
+		count = CHECKSUM_OFFSET;
+		read_size = len;
+	}
 
-		close(ifd);
-		close(ofd);
+	buffer = malloc(count);
+	if (!buffer) {
+		fprintf(stderr,
+			"%s: Failed to allocate %d bytes to store %s\n",
+			prog_name, count, argv[if_index]);
+		exit(EXIT_FAILURE);
+	}
 
+	if (read(ifd, buffer, read_size) != read_size) {
+		fprintf(stderr, "%s: Can't read %s: %s\n",
+			prog_name, argv[if_index], strerror(errno));
 		exit(EXIT_FAILURE);
 	}
 
-	for (i = 0, checksum = 0; i < CHECKSUM_OFFSET; i++)
-		checksum += buffer[i];
+	/* Pad if needed with 0xff to make flashing faster. */
+	if (read_size < count)
+		memset((char *)buffer + read_size, 0xff, count - read_size);
 
+	for (i = 0, checksum = 0; i < count; i++)
+		checksum += buffer[i];
 	checksum = cpu_to_le32(checksum);
 
-	memcpy(&buffer[CHECKSUM_OFFSET], &checksum, sizeof(checksum));
-
-	if (write(ofd, buffer, BUFSIZE) != BUFSIZE) {
-		fprintf(stderr, "%s: Can't write %s: %s\n",
-			argv[0], argv[2], strerror(errno));
+	if (var_size_flag) {
+		/* Prepare and write out the variable size SPL header. */
+		struct var_size_header vsh;
+		uint32_t spl_size;
 
-		close(ifd);
-		close(ofd);
+		memset(&vsh, 0, sizeof(vsh));
+		memcpy(&vsh.spl_checksum, &checksum, sizeof(checksum));
 
-		exit(EXIT_FAILURE);
+		spl_size = cpu_to_le32(count + sizeof(struct var_size_header));
+		memcpy(&vsh.spl_size, &spl_size, sizeof(spl_size));
+		write_to_file(ofd, &vsh, sizeof(vsh));
 	}
 
+	write_to_file(ofd, buffer, count);
+
+	/* For fixed size SPL checksum is appended in the end. */
+	if (!var_size_flag)
+		write_to_file(ofd, &checksum, sizeof(checksum));
+
 	close(ifd);
 	close(ofd);
+	free(buffer);
 
 	return EXIT_SUCCESS;
 }