20 files changed, 352 insertions, 164 deletions

diff --git a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
index afc0d92059..a1efc7520a 100644
--- a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
+++ b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
@@ -195,6 +195,11 @@ static void enable_per_clocks(void)
 	while (readl(&cmper->mmc0clkctrl) != PRCM_MOD_EN)
 		;
 
+	/* MMC1 */
+	writel(PRCM_MOD_EN, &cmper->mmc1clkctrl);
+	while (readl(&cmper->mmc1clkctrl) != PRCM_MOD_EN)
+		;
+
 	/* i2c0 */
 	writel(PRCM_MOD_EN, &cmwkup->wkup_i2c0ctrl);
 	while (readl(&cmwkup->wkup_i2c0ctrl) != PRCM_MOD_EN)
diff --git a/arch/arm/cpu/armv7/am33xx/elm.c b/arch/arm/cpu/armv7/am33xx/elm.c
index 9eed23d75a..41df612956 100644
--- a/arch/arm/cpu/armv7/am33xx/elm.c
+++ b/arch/arm/cpu/armv7/am33xx/elm.c
@@ -33,7 +33,7 @@
 #include <asm/io.h>
 #include <asm/errno.h>
 #include <asm/arch/cpu.h>
-#include <asm/arch/omap_gpmc.h>
+#include <asm/omap_gpmc.h>
 #include <asm/arch/elm.h>
 
 #define ELM_DEFAULT_POLY (0)
diff --git a/arch/arm/cpu/armv7/config.mk b/arch/arm/cpu/armv7/config.mk
index 9c3e2f3ce4..56b8053770 100644
--- a/arch/arm/cpu/armv7/config.mk
+++ b/arch/arm/cpu/armv7/config.mk
@@ -40,5 +40,11 @@ PF_NO_UNALIGNED := $(call cc-option, -mno-unaligned-access,)
 PLATFORM_NO_UNALIGNED := $(PF_NO_UNALIGNED)
 
 ifneq ($(CONFIG_IMX_CONFIG),)
+ifdef CONFIG_SPL
+ifdef CONFIG_SPL_BUILD
+ALL-y	+= $(OBJTREE)/SPL
+endif
+else
 ALL-y	+= $(obj)u-boot.imx
 endif
+endif
diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 956427c9eb..223660aab6 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -27,6 +27,49 @@
 #include <asm/arch/clk.h>
 #include <asm/arch/periph.h>
 
+/* *
+ * This structure is to store the src bit, div bit and prediv bit
+ * positions of the peripheral clocks of the src and div registers
+ */
+struct clk_bit_info {
+	int8_t src_bit;
+	int8_t div_bit;
+	int8_t prediv_bit;
+};
+
+/* src_bit div_bit prediv_bit */
+static struct clk_bit_info clk_bit_info[PERIPH_ID_COUNT] = {
+	{0,	0,	-1},
+	{4,	4,	-1},
+	{8,	8,	-1},
+	{12,	12,	-1},
+	{0,	0,	8},
+	{4,	16,	24},
+	{8,	0,	8},
+	{12,	16,	24},
+	{-1,	-1,	-1},
+	{16,	0,	8},
+	{20,	16,	24},
+	{24,	0,	8},
+	{0,	0,	4},
+	{4,	12,	16},
+	{-1,	-1,	-1},
+	{-1,	-1,	-1},
+	{-1,	24,	0},
+	{-1,	24,	0},
+	{-1,	24,	0},
+	{-1,	24,	0},
+	{-1,	24,	0},
+	{-1,	24,	0},
+	{-1,	24,	0},
+	{-1,	24,	0},
+	{24,	0,	-1},
+	{24,	0,	-1},
+	{24,	0,	-1},
+	{24,	0,	-1},
+	{24,	0,	-1},
+};
+
 /* Epll Clock division values to achive different frequency output */
 static struct set_epll_con_val exynos5_epll_div[] = {
 	{ 192000000, 0, 48, 3, 1, 0 },
@@ -201,6 +244,107 @@ static unsigned long exynos5_get_pll_clk(int pllreg)
 	return fout;
 }
 
+static unsigned long exynos5_get_periph_rate(int peripheral)
+{
+	struct clk_bit_info *bit_info = &clk_bit_info[peripheral];
+	unsigned long sclk, sub_clk;
+	unsigned int src, div, sub_div;
+	struct exynos5_clock *clk =
+			(struct exynos5_clock *)samsung_get_base_clock();
+
+	switch (peripheral) {
+	case PERIPH_ID_UART0:
+	case PERIPH_ID_UART1:
+	case PERIPH_ID_UART2:
+	case PERIPH_ID_UART3:
+		src = readl(&clk->src_peric0);
+		div = readl(&clk->div_peric0);
+		break;
+	case PERIPH_ID_PWM0:
+	case PERIPH_ID_PWM1:
+	case PERIPH_ID_PWM2:
+	case PERIPH_ID_PWM3:
+	case PERIPH_ID_PWM4:
+		src = readl(&clk->src_peric0);
+		div = readl(&clk->div_peric3);
+		break;
+	case PERIPH_ID_SPI0:
+	case PERIPH_ID_SPI1:
+		src = readl(&clk->src_peric1);
+		div = readl(&clk->div_peric1);
+		break;
+	case PERIPH_ID_SPI2:
+		src = readl(&clk->src_peric1);
+		div = readl(&clk->div_peric2);
+		break;
+	case PERIPH_ID_SPI3:
+	case PERIPH_ID_SPI4:
+		src = readl(&clk->sclk_src_isp);
+		div = readl(&clk->sclk_div_isp);
+		break;
+	case PERIPH_ID_SDMMC0:
+	case PERIPH_ID_SDMMC1:
+	case PERIPH_ID_SDMMC2:
+	case PERIPH_ID_SDMMC3:
+		src = readl(&clk->src_fsys);
+		div = readl(&clk->div_fsys1);
+		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:
+		sclk = exynos5_get_pll_clk(MPLL);
+		sub_div = ((readl(&clk->div_top1) >> bit_info->div_bit)
+								& 0x7) + 1;
+		div = ((readl(&clk->div_top0) >> bit_info->prediv_bit)
+								& 0x7) + 1;
+		return (sclk / sub_div) / div;
+	default:
+		debug("%s: invalid peripheral %d", __func__, peripheral);
+		return -1;
+	};
+
+	src = (src >> bit_info->src_bit) & 0xf;
+
+	switch (src) {
+	case EXYNOS_SRC_MPLL:
+		sclk = exynos5_get_pll_clk(MPLL);
+		break;
+	case EXYNOS_SRC_EPLL:
+		sclk = exynos5_get_pll_clk(EPLL);
+		break;
+	case EXYNOS_SRC_VPLL:
+		sclk = exynos5_get_pll_clk(VPLL);
+		break;
+	default:
+		return 0;
+	}
+
+	/* Ratio clock division for this peripheral */
+	sub_div = (div >> bit_info->div_bit) & 0xf;
+	sub_clk = sclk / (sub_div + 1);
+
+	/* Pre-ratio clock division for SDMMC0 and 2 */
+	if (peripheral == PERIPH_ID_SDMMC0 || peripheral == PERIPH_ID_SDMMC2) {
+		div = (div >> bit_info->prediv_bit) & 0xff;
+		return sub_clk / (div + 1);
+	}
+
+	return sub_clk;
+}
+
+unsigned long clock_get_periph_rate(int peripheral)
+{
+	if (cpu_is_exynos5())
+		return exynos5_get_periph_rate(peripheral);
+	else
+		return 0;
+}
+
 /* exynos4: return ARM clock frequency */
 static unsigned long exynos4_get_arm_clk(void)
 {
@@ -324,27 +468,6 @@ static unsigned long exynos4x12_get_pwm_clk(void)
 	return pclk;
 }
 
-/* exynos5: return pwm clock frequency */
-static unsigned long exynos5_get_pwm_clk(void)
-{
-	struct exynos5_clock *clk =
-		(struct exynos5_clock *)samsung_get_base_clock();
-	unsigned long pclk, sclk;
-	unsigned int ratio;
-
-	/*
-	 * CLK_DIV_PERIC3
-	 * PWM_RATIO [3:0]
-	 */
-	ratio = readl(&clk->div_peric3);
-	ratio = ratio & 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)
 {
@@ -1210,7 +1333,7 @@ unsigned long get_i2c_clk(void)
 unsigned long get_pwm_clk(void)
 {
 	if (cpu_is_exynos5())
-		return exynos5_get_pwm_clk();
+		return clock_get_periph_rate(PERIPH_ID_PWM0);
 	else {
 		if (proid_is_exynos4412())
 			return exynos4x12_get_pwm_clk();
diff --git a/arch/arm/cpu/armv7/exynos/soc.c b/arch/arm/cpu/armv7/exynos/soc.c
index ab65b8d3a8..e948e4c638 100644
--- a/arch/arm/cpu/armv7/exynos/soc.c
+++ b/arch/arm/cpu/armv7/exynos/soc.c
@@ -23,6 +23,14 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include <asm/system.h>
+
+enum l2_cache_params {
+	CACHE_TAG_RAM_SETUP = (1 << 9),
+	CACHE_DATA_RAM_SETUP = (1 << 5),
+	CACHE_TAG_RAM_LATENCY = (2 << 6),
+	CACHE_DATA_RAM_LATENCY = (2 << 0)
+};
 
 void reset_cpu(ulong addr)
 {
@@ -36,3 +44,31 @@ void enable_caches(void)
 	dcache_enable();
 }
 #endif
+
+#ifndef CONFIG_SYS_L2CACHE_OFF
+/*
+ * Set L2 cache parameters
+ */
+static void exynos5_set_l2cache_params(void)
+{
+	unsigned int val = 0;
+
+	asm volatile("mrc p15, 1, %0, c9, c0, 2\n" : "=r"(val));
+
+	val |= CACHE_TAG_RAM_SETUP |
+		CACHE_DATA_RAM_SETUP |
+		CACHE_TAG_RAM_LATENCY |
+		CACHE_DATA_RAM_LATENCY;
+
+	asm volatile("mcr p15, 1, %0, c9, c0, 2\n" : : "r"(val));
+}
+
+/*
+ * Sets L2 cache related parameters before enabling data cache
+ */
+void v7_outer_cache_enable(void)
+{
+	if (cpu_is_exynos5())
+		exynos5_set_l2cache_params();
+}
+#endif
diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
index 6d9396a976..dfce0ca83e 100644
--- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
@@ -309,8 +309,7 @@ setup_pll_func:
         ldr r0, =CCM_BASE_ADDR
         ldr r1, =0x00015154
         str r1, [r0, #CLKCTL_CBCMR]
-        ldr r1, =0x02888945
-        orr r1, r1, #(1 << 16)
+        ldr r1, =0x02898945
         str r1, [r0, #CLKCTL_CBCDR]
         /* make sure change is effective */
 1:      ldr r1, [r0, #CLKCTL_CDHIPR]
@@ -321,10 +320,7 @@ setup_pll_func:
 
 	/* Switch peripheral to PLL2 */
 	ldr r0, =CCM_BASE_ADDR
-	ldr r1, =0x00808145
-	orr r1, r1, #(2 << 10)
-	orr r1, r1, #(0 << 16)
-	orr r1, r1, #(1 << 19)
+	ldr r1, =0x00888945
 	str r1, [r0, #CLKCTL_CBCDR]
 
 	ldr r1, =0x00016154
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 193ba1240f..2ea8ca3bd3 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -61,6 +61,18 @@ u32 get_cpu_rev(void)
 	return (type << 12) | (reg + 0x10);
 }
 
+#ifdef CONFIG_REVISION_TAG
+u32 __weak get_board_rev(void)
+{
+	u32 cpurev = get_cpu_rev();
+	u32 type = ((cpurev >> 12) & 0xff);
+	if (type == MXC_CPU_MX6SOLO)
+		cpurev = (MXC_CPU_MX6DL) << 12 | (cpurev & 0xFFF);
+
+	return cpurev;
+}
+#endif
+
 void init_aips(void)
 {
 	struct aipstz_regs *aips1, *aips2;
diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index 9ed18995ea..2b955c7c00 100644
--- a/arch/arm/cpu/armv7/omap-common/clocks-common.c
+++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c
@@ -612,7 +612,7 @@ void freq_update_core(void)
 
 	/*
 	 * Putting EMIF in HW_AUTO is seen to be causing issues with
-	 * EMIF clocks and the master DLL. Put EMIF in SW_WKUP
+	 * EMIF clocks and the master DLL. Keep EMIF in SW_WKUP
 	 * in OMAP5430 ES1.0 silicon
 	 */
 	if (omap_rev != OMAP5430_ES1_0) {
@@ -659,7 +659,7 @@ void setup_clocks_for_console(void)
 			MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN <<
 			MODULE_CLKCTRL_MODULEMODE_SHIFT);
 
-	clrsetbits_le32((*prcm)->cm_l4per_uart3_clkctrl,
+	clrsetbits_le32((*prcm)->cm_l4per_uart4_clkctrl,
 			MODULE_CLKCTRL_MODULEMODE_MASK,
 			MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN <<
 			MODULE_CLKCTRL_MODULEMODE_SHIFT);
diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c
index 9eb1279d41..cdb4439721 100644
--- a/arch/arm/cpu/armv7/omap-common/emif-common.c
+++ b/arch/arm/cpu/armv7/omap-common/emif-common.c
@@ -655,20 +655,27 @@ static u32 get_ddr_phy_ctrl_1(u32 freq, u8 RL)
 	return phy;
 }
 
-static u32 get_emif_mem_size(struct emif_device_details *devices)
+static u32 get_emif_mem_size(u32 base)
 {
 	u32 size_mbytes = 0, temp;
+	struct emif_device_details dev_details;
+	struct lpddr2_device_details cs0_dev_details, cs1_dev_details;
+	u32 emif_nr = emif_num(base);
 
-	if (!devices)
-		return 0;
+	emif_reset_phy(base);
+	dev_details.cs0_device_details = emif_get_device_details(emif_nr, CS0,
+						&cs0_dev_details);
+	dev_details.cs1_device_details = emif_get_device_details(emif_nr, CS1,
+						&cs1_dev_details);
+	emif_reset_phy(base);
 
-	if (devices->cs0_device_details) {
-		temp = devices->cs0_device_details->density;
+	if (dev_details.cs0_device_details) {
+		temp = dev_details.cs0_device_details->density;
 		size_mbytes += lpddr2_density_2_size_in_mbytes[temp];
 	}
 
-	if (devices->cs1_device_details) {
-		temp = devices->cs1_device_details->density;
+	if (dev_details.cs1_device_details) {
+		temp = dev_details.cs1_device_details->density;
 		size_mbytes += lpddr2_density_2_size_in_mbytes[temp];
 	}
 	/* convert to bytes */
@@ -1040,13 +1047,9 @@ static void do_sdram_init(u32 base)
 	/* Return if no devices on this EMIF */
 	if (!dev_details.cs0_device_details &&
 	    !dev_details.cs1_device_details) {
-		emif_sizes[emif_nr - 1] = 0;
 		return;
 	}
 
-	if (!in_sdram)
-		emif_sizes[emif_nr - 1] = get_emif_mem_size(&dev_details);
-
 	/*
 	 * Get device timings:
 	 * - Default timings specified by JESD209-2 if
@@ -1108,8 +1111,8 @@ void dmm_init(u32 base)
 	mapped_size = 0;
 	section_cnt = 3;
 	sys_addr = CONFIG_SYS_SDRAM_BASE;
-	emif1_size = emif_sizes[0];
-	emif2_size = emif_sizes[1];
+	emif1_size = get_emif_mem_size(EMIF1_BASE);
+	emif2_size = get_emif_mem_size(EMIF2_BASE);
 	debug("emif1_size 0x%x emif2_size 0x%x\n", emif1_size, emif2_size);
 
 	if (!emif1_size && !emif2_size)
diff --git a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S
index b933fe8437..90b3c8aea4 100644
--- a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S
@@ -60,10 +60,14 @@ ENTRY(save_boot_params)
 	ldr	r3, =boot_params
 	strb	r2, [r3, #BOOT_DEVICE_OFFSET]	@ spl_boot_device <- r1
 
-	/* boot mode is passed only for devices that can raw/fat mode */
-	cmp	r2, #BOOT_DEVICE_XIP
+	/*
+	 * boot mode is only valid for device that can be raw or FAT booted.
+	 * in other cases it may be fatal to look.  While platforms differ
+	 * in the values used for each MMC slot, they are contiguous.
+	 */
+	cmp	r2, #MMC_BOOT_DEVICES_START
 	blt	2f
-	cmp	r2, #BOOT_DEVICE_MMC2
+	cmp	r2, #MMC_BOOT_DEVICES_END
 	bgt	2f
 	/* Store the boot mode (raw/FAT) in omap_bootmode */
 	ldr	r2, [r0, #DEV_DESC_PTR_OFFSET]	@ get the device descriptor ptr
diff --git a/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds b/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
index efae381bdb..bd218c07da 100644
--- a/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
+++ b/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
@@ -38,7 +38,7 @@ SECTIONS
 	.text      :
 	{
 		__start = .;
-		arch/arm/cpu/armv7/start.o	(.text)
+		arch/arm/cpu/armv7/start.o	(.text*)
 		*(.text*)
 	} >.sram
 
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index c6d9a425a5..b72fadc257 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -328,14 +328,25 @@ void abort(void)
  *****************************************************************************/
 static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
-	if (argc != 2)
+	if (argc < 2 || argc > 3)
 		goto usage;
-	if (strncmp(argv[1], "hw", 2) == 0)
-		omap_nand_switch_ecc(1);
-	else if (strncmp(argv[1], "sw", 2) == 0)
-		omap_nand_switch_ecc(0);
-	else
+
+	if (strncmp(argv[1], "hw", 2) == 0) {
+		if (argc == 2) {
+			omap_nand_switch_ecc(1, 1);
+		} else {
+			if (strncmp(argv[2], "hamming", 7) == 0)
+				omap_nand_switch_ecc(1, 1);
+			else if (strncmp(argv[2], "bch8", 4) == 0)
+				omap_nand_switch_ecc(1, 8);
+			else
+				goto usage;
+		}
+	} else if (strncmp(argv[1], "sw", 2) == 0) {
+		omap_nand_switch_ecc(0, 0);
+	} else {
 		goto usage;
+	}
 
 	return 0;
 
@@ -345,9 +356,13 @@ usage:
 }
 
 U_BOOT_CMD(
-	nandecc, 2, 1,	do_switch_ecc,
+	nandecc, 3, 1,	do_switch_ecc,
 	"switch OMAP3 NAND ECC calculation algorithm",
-	"[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
+	"hw [hamming|bch8] - Switch between NAND hardware 1-bit hamming and"
+	" 8-bit BCH\n"
+	"                           ecc calculation (second parameter may"
+	" be omitted).\n"
+	"nandecc sw               - Switch to NAND software ecc algorithm."
 );
 
 #endif /* CONFIG_NAND_OMAP_GPMC & !CONFIG_SPL_BUILD */
diff --git a/arch/arm/cpu/armv7/omap3/sys_info.c b/arch/arm/cpu/armv7/omap3/sys_info.c
index 3c80113502..08a63d266e 100644
--- a/arch/arm/cpu/armv7/omap3/sys_info.c
+++ b/arch/arm/cpu/armv7/omap3/sys_info.c
@@ -299,9 +299,9 @@ int print_cpuinfo (void)
 		}
 		if ((get_cpu_rev() >= CPU_3XX_ES31) &&
 		    (get_sku_id() == SKUID_CLK_720MHZ))
-			max_clk = "720 mHz";
+			max_clk = "720 MHz";
 		else
-			max_clk = "600 mHz";
+			max_clk = "600 MHz";
 
 		break;
 	case CPU_AM35XX:
diff --git a/arch/arm/cpu/armv7/omap4/emif.c b/arch/arm/cpu/armv7/omap4/emif.c
index ca4823dd79..53f60635b1 100644
--- a/arch/arm/cpu/armv7/omap4/emif.c
+++ b/arch/arm/cpu/armv7/omap4/emif.c
@@ -33,7 +33,6 @@
 #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
 u32 *const T_num = (u32 *)OMAP4_SRAM_SCRATCH_EMIF_T_NUM;
 u32 *const T_den = (u32 *)OMAP4_SRAM_SCRATCH_EMIF_T_DEN;
-u32 *const emif_sizes = (u32 *)OMAP4_SRAM_SCRATCH_EMIF_SIZE;
 #endif
 
 #ifdef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c b/arch/arm/cpu/armv7/omap4/hw_data.c
index 7551b9861e..04977b4f2b 100644
--- a/arch/arm/cpu/armv7/omap4/hw_data.c
+++ b/arch/arm/cpu/armv7/omap4/hw_data.c
@@ -216,14 +216,14 @@ struct dplls omap4460_dplls = {
 
 struct pmic_data twl6030_4430es1 = {
 	.base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV,
-	.step = 12660, /* 10 mV represented in uV */
+	.step = 12660, /* 12.66 mV represented in uV */
 	/* The code starts at 1 not 0 */
 	.start_code = 1,
 };
 
 struct pmic_data twl6030 = {
 	.base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV,
-	.step = 12660, /* 10 mV represented in uV */
+	.step = 12660, /* 12.66 mV represented in uV */
 	/* The code starts at 1 not 0 */
 	.start_code = 1,
 };
@@ -271,11 +271,11 @@ struct vcores_data omap4460_volts = {
 
 	.core.value = 1200,
 	.core.addr = SMPS_REG_ADDR_VCORE1,
-	.core.pmic = &tps62361,
+	.core.pmic = &twl6030,
 
 	.mm.value = 1200,
 	.mm.addr = SMPS_REG_ADDR_VCORE2,
-	.mm.pmic = &tps62361,
+	.mm.pmic = &twl6030,
 };
 
 /*
diff --git a/arch/arm/cpu/armv7/omap5/emif.c b/arch/arm/cpu/armv7/omap5/emif.c
index 8019ffe3d3..3f37abdf83 100644
--- a/arch/arm/cpu/armv7/omap5/emif.c
+++ b/arch/arm/cpu/armv7/omap5/emif.c
@@ -34,7 +34,6 @@
 #define print_timing_reg(reg) debug(#reg" - 0x%08x\n", (reg))
 static u32 *const T_num = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_T_NUM;
 static u32 *const T_den = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_T_DEN;
-static u32 *const emif_sizes = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_SIZE;
 #endif
 
 #ifdef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
diff --git a/arch/arm/cpu/armv7/s5p-common/pwm.c b/arch/arm/cpu/armv7/s5p-common/pwm.c
index 44d7bc360e..6f401b8d9e 100644
--- a/arch/arm/cpu/armv7/s5p-common/pwm.c
+++ b/arch/arm/cpu/armv7/s5p-common/pwm.c
@@ -70,7 +70,7 @@ static unsigned long pwm_calc_tin(int pwm_id, unsigned long freq)
 	return tin_parent_rate / 16;
 }
 
-#define NS_IN_HZ (1000000000UL)
+#define NS_IN_SEC 1000000000UL
 
 int pwm_config(int pwm_id, int duty_ns, int period_ns)
 {
@@ -79,7 +79,7 @@ int pwm_config(int pwm_id, int duty_ns, int period_ns)
 	unsigned int offset;
 	unsigned long tin_rate;
 	unsigned long tin_ns;
-	unsigned long period;
+	unsigned long frequency;
 	unsigned long tcon;
 	unsigned long tcnt;
 	unsigned long tcmp;
@@ -89,34 +89,24 @@ int pwm_config(int pwm_id, int duty_ns, int period_ns)
 	 * fact that anything faster than 1GHz is easily representable
 	 * by 32bits.
 	 */
-	if (period_ns > NS_IN_HZ || duty_ns > NS_IN_HZ)
+	if (period_ns > NS_IN_SEC || duty_ns > NS_IN_SEC || period_ns == 0)
 		return -ERANGE;
 
 	if (duty_ns > period_ns)
 		return -EINVAL;
 
-	period = NS_IN_HZ / period_ns;
+	frequency = NS_IN_SEC / period_ns;
 
 	/* Check to see if we are changing the clock rate of the PWM */
-	tin_rate = pwm_calc_tin(pwm_id, period);
+	tin_rate = pwm_calc_tin(pwm_id, frequency);
 
-	tin_ns = NS_IN_HZ / tin_rate;
+	tin_ns = NS_IN_SEC / tin_rate;
 	tcnt = period_ns / tin_ns;
 
 	/* Note, counters count down */
 	tcmp = duty_ns / tin_ns;
 	tcmp = tcnt - tcmp;
 
-	/*
-	 * the pwm hw only checks the compare register after a decrement,
-	 * so the pin never toggles if tcmp = tcnt
-	 */
-	if (tcmp == tcnt)
-		tcmp--;
-
-	if (tcmp < 0)
-		tcmp = 0;
-
 	/* Update the PWM register block. */
 	offset = pwm_id * 3;
 	if (pwm_id < 4) {
@@ -143,7 +133,7 @@ int pwm_init(int pwm_id, int div, int invert)
 	u32 val;
 	const struct s5p_timer *pwm =
 			(struct s5p_timer *)samsung_get_base_timer();
-	unsigned long timer_rate_hz;
+	unsigned long ticks_per_period;
 	unsigned int offset, prescaler;
 
 	/*
@@ -167,14 +157,24 @@ int pwm_init(int pwm_id, int div, int invert)
 	val |= (div & 0xf) << MUX_DIV_SHIFT(pwm_id);
 	writel(val, &pwm->tcfg1);
 
-	timer_rate_hz = get_pwm_clk() / ((prescaler + 1) *
-			(div + 1));
+	if (pwm_id == 4) {
+		/*
+		 * TODO(sjg): Use this as a countdown timer for now. We count
+		 * down from the maximum value to 0, then reset.
+		 */
+		ticks_per_period = -1UL;
+	} else {
+		const unsigned long pwm_hz = 1000;
+		unsigned long timer_rate_hz = get_pwm_clk() /
+			((prescaler + 1) * (1 << div));
 
-	timer_rate_hz = timer_rate_hz / CONFIG_SYS_HZ;
+		ticks_per_period = timer_rate_hz / pwm_hz;
+	}
 
 	/* set count value */
 	offset = pwm_id * 3;
-	writel(timer_rate_hz, &pwm->tcntb0 + offset);
+
+	writel(ticks_per_period, &pwm->tcntb0 + offset);
 
 	val = readl(&pwm->tcon) & ~(0xf << TCON_OFFSET(pwm_id));
 	if (invert && (pwm_id < 4))
diff --git a/arch/arm/cpu/armv7/s5p-common/timer.c b/arch/arm/cpu/armv7/s5p-common/timer.c
index e78c716d3f..6a0fa5862e 100644
--- a/arch/arm/cpu/armv7/s5p-common/timer.c
+++ b/arch/arm/cpu/armv7/s5p-common/timer.c
@@ -39,13 +39,33 @@ static inline struct s5p_timer *s5p_get_base_timer(void)
 	return (struct s5p_timer *)samsung_get_base_timer();
 }
 
+/**
+ * Read the countdown timer.
+ *
+ * This operates at 1MHz and counts downwards. It will wrap about every
+ * hour (2^32 microseconds).
+ *
+ * @return current value of timer
+ */
+static unsigned long timer_get_us_down(void)
+{
+	struct s5p_timer *const timer = s5p_get_base_timer();
+
+	return readl(&timer->tcnto4);
+}
+
 int timer_init(void)
 {
 	/* PWM Timer 4 */
-	pwm_init(4, MUX_DIV_2, 0);
-	pwm_config(4, 0, 0);
+	pwm_init(4, MUX_DIV_4, 0);
+	pwm_config(4, 100000, 100000);
 	pwm_enable(4);
 
+	/* Use this as the current monotonic time in us */
+	gd->arch.timer_reset_value = 0;
+
+	/* Use this as the last timer value we saw */
+	gd->arch.lastinc = timer_get_us_down();
 	reset_timer_masked();
 
 	return 0;
@@ -56,81 +76,52 @@ int timer_init(void)
  */
 unsigned long get_timer(unsigned long base)
 {
-	return get_timer_masked() - base;
-}
+	ulong now = timer_get_us_down();
+
+	/*
+	 * Increment the time by the amount elapsed since the last read.
+	 * The timer may have wrapped around, but it makes no difference to
+	 * our arithmetic here.
+	 */
+	gd->arch.timer_reset_value += gd->arch.lastinc - now;
+	gd->arch.lastinc = now;
 
-/* delay x useconds */
-void __udelay(unsigned long usec)
-{
-	struct s5p_timer *const timer = s5p_get_base_timer();
-	unsigned long tmo, tmp, count_value;
-
-	count_value = readl(&timer->tcntb4);
-
-	if (usec >= 1000) {
-		/*
-		 * if "big" number, spread normalization
-		 * to seconds
-		 * 1. start to normalize for usec to ticks per sec
-		 * 2. find number of "ticks" to wait to achieve target
-		 * 3. finish normalize.
-		 */
-		tmo = usec / 1000;
-		tmo *= (CONFIG_SYS_HZ * count_value);
-		tmo /= 1000;
-	} else {
-		/* else small number, don't kill it prior to HZ multiply */
-		tmo = usec * CONFIG_SYS_HZ * count_value;
-		tmo /= (1000 * 1000);
-	}
-
-	/* get current timestamp */
-	tmp = get_current_tick();
-
-	/* if setting this fordward will roll time stamp */
-	/* reset "advancing" timestamp to 0, set lastinc value */
-	/* else, set advancing stamp wake up time */
-	if ((tmo + tmp + 1) < tmp)
-		reset_timer_masked();
-	else
-		tmo += tmp;
-
-	/* loop till event */
-	while (get_current_tick() < tmo)
-		;	/* nop */
+	/* Divide by 1000 to convert from us to ms */
+	return gd->arch.timer_reset_value / 1000 - base;
 }
 
-void reset_timer_masked(void)
+unsigned long timer_get_us(void)
 {
-	struct s5p_timer *const timer = s5p_get_base_timer();
+	static unsigned long base_time_us;
 
-	/* reset time */
-	gd->arch.lastinc = readl(&timer->tcnto4);
-	gd->arch.tbl = 0;
+	struct s5p_timer *const timer =
+		(struct s5p_timer *)samsung_get_base_timer();
+	unsigned long now_downward_us = readl(&timer->tcnto4);
+
+	if (!base_time_us)
+		base_time_us = now_downward_us;
+
+	/* Note that this timer counts downward. */
+	return base_time_us - now_downward_us;
 }
 
-unsigned long get_timer_masked(void)
+/* delay x useconds */
+void __udelay(unsigned long usec)
 {
-	struct s5p_timer *const timer = s5p_get_base_timer();
-	unsigned long count_value = readl(&timer->tcntb4);
+	unsigned long count_value;
 
-	return get_current_tick() / count_value;
+	count_value = timer_get_us_down();
+	while ((int)(count_value - timer_get_us_down()) < (int)usec)
+		;
 }
 
-unsigned long get_current_tick(void)
+void reset_timer_masked(void)
 {
 	struct s5p_timer *const timer = s5p_get_base_timer();
-	unsigned long now = readl(&timer->tcnto4);
-	unsigned long count_value = readl(&timer->tcntb4);
-
-	if (gd->arch.lastinc >= now)
-		gd->arch.tbl += gd->arch.lastinc - now;
-	else
-		gd->arch.tbl += gd->arch.lastinc + count_value - now;
-
-	gd->arch.lastinc = now;
 
-	return gd->arch.tbl;
+	/* reset time */
+	gd->arch.lastinc = readl(&timer->tcnto4);
+	gd->arch.tbl = 0;
 }
 
 /*
diff --git a/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds
index 79cc93cb57..15f8c01a9a 100644
--- a/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds
+++ b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds
@@ -27,7 +27,7 @@ SECTIONS
 	. = ALIGN(4);
 	.text	:
 	{
-		arch/arm/cpu/armv7/start.o	(.text)
+		arch/arm/cpu/armv7/start.o	(.text*)
 		*(.text*)
 	} >.sdram
 
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 36a4c3cfda..61da7acde9 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -81,7 +81,11 @@ _end_vect:
 
 .globl _TEXT_BASE
 _TEXT_BASE:
+#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
+	.word	CONFIG_SPL_TEXT_BASE
+#else
 	.word	CONFIG_SYS_TEXT_BASE
+#endif
 
 /*
  * These are defined in the board-specific linker script.
@@ -90,9 +94,9 @@ _TEXT_BASE:
 _bss_start_ofs:
 	.word __bss_start - _start
 
-.global	_image_copy_end_ofs
+.globl _image_copy_end_ofs
 _image_copy_end_ofs:
-	.word 	__image_copy_end - _start
+	.word __image_copy_end - _start
 
 .globl _bss_end_ofs
 _bss_end_ofs:
@@ -161,28 +165,23 @@ reset:
 
 #ifndef CONFIG_SPL_BUILD
 /*
- * void relocate_code (addr_sp, gd, addr_moni)
- *
- * This "function" does not return, instead it continues in RAM
- * after relocating the monitor code.
+ * void relocate_code(addr_moni)
  *
+ * This function relocates the monitor code.
  */
 ENTRY(relocate_code)
-	mov	r4, r0	/* save addr_sp */
-	mov	r5, r1	/* save addr of gd */
-	mov	r6, r2	/* save addr of destination */
+	mov	r6, r0	/* save addr of destination */
 
 	adr	r0, _start
-	cmp	r0, r6
-	moveq	r9, #0		/* no relocation. relocation offset(r9) = 0 */
+	subs	r9, r6, r0		/* r9 <- relocation offset */
 	beq	relocate_done		/* skip relocation */
 	mov	r1, r6			/* r1 <- scratch for copy_loop */
 	ldr	r3, _image_copy_end_ofs
 	add	r2, r0, r3		/* r2 <- source end address	    */
 
 copy_loop:
-	ldmia	r0!, {r9-r10}		/* copy from source address [r0]    */
-	stmia	r1!, {r9-r10}		/* copy to   target address [r1]    */
+	ldmia	r0!, {r10-r11}		/* copy from source address [r0]    */
+	stmia	r1!, {r10-r11}		/* copy to   target address [r1]    */
 	cmp	r0, r2			/* until source end address [r2]    */
 	blo	copy_loop
 
@@ -190,7 +189,6 @@ copy_loop:
 	 * fix .rel.dyn relocations
 	 */
 	ldr	r0, _TEXT_BASE		/* r0 <- Text base */
-	sub	r9, r6, r0		/* r9 <- relocation offset */
 	ldr	r10, _dynsym_start_ofs	/* r10 <- sym table ofs */
 	add	r10, r10, r0		/* r10 <- sym table in FLASH */
 	ldr	r2, _rel_dyn_start_ofs	/* r2 <- rel dyn start ofs */
@@ -465,9 +463,10 @@ ENDPROC(cpu_init_crit)
 						@ spots for abort stack
 	str	lr, [r0]			@ save caller lr in position 0
 						@ of saved stack
-	mrs	r0, spsr			@ get the spsr
+	mrs	lr, spsr			@ get the spsr
 	str	lr, [r0, #4]			@ save spsr in position 1 of
 						@ saved stack
+	ldr	lr, [r0]			@ restore lr
 	ldr	r0, [r13]			@ restore r0
 	add	r13, r13, #4			@ pop stack entry
 	.endm