13 files changed, 1811 insertions, 0 deletions

diff --git a/roms/u-boot/arch/arm/cpu/arm1136/Makefile b/roms/u-boot/arch/arm/cpu/arm1136/Makefile
new file mode 100644
index 00000000..3279f125
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/Makefile
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+extra-y	= start.o
+obj-y	= cpu.o
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/config.mk b/roms/u-boot/arch/arm/cpu/arm1136/config.mk
new file mode 100644
index 00000000..a82c6cec
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/config.mk
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+# Make ARMv5 to allow more compilers to work, even though its v6.
+PLATFORM_CPPFLAGS += -march=armv5
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/cpu.c b/roms/u-boot/arch/arm/cpu/arm1136/cpu.c
new file mode 100644
index 00000000..a7aed4b2
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/cpu.c
@@ -0,0 +1,160 @@
+/*
+ * (C) Copyright 2004 Texas Insturments
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/system.h>
+
+static void cache_flush(void);
+
+int cleanup_before_linux (void)
+{
+	/*
+	 * this function is called just before we call linux
+	 * it prepares the processor for linux
+	 *
+	 * we turn off caches etc ...
+	 */
+
+	disable_interrupts ();
+
+#ifdef CONFIG_LCD
+	{
+		extern void lcd_disable(void);
+		extern void lcd_panel_disable(void);
+
+		lcd_disable(); /* proper disable of lcd & panel */
+		lcd_panel_disable();
+	}
+#endif
+
+	/* turn off I/D-cache */
+	icache_disable();
+	dcache_disable();
+	/* flush I/D-cache */
+	cache_flush();
+
+	return 0;
+}
+
+static void cache_flush(void)
+{
+	unsigned long i = 0;
+	/* clean entire data cache */
+	asm volatile("mcr p15, 0, %0, c7, c10, 0" : : "r" (i));
+	/* invalidate both caches and flush btb */
+	asm volatile("mcr p15, 0, %0, c7, c7, 0" : : "r" (i));
+	/* mem barrier to sync things */
+	asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (i));
+}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+
+#ifndef CONFIG_SYS_CACHELINE_SIZE
+#define CONFIG_SYS_CACHELINE_SIZE	32
+#endif
+
+void invalidate_dcache_all(void)
+{
+	asm volatile("mcr p15, 0, %0, c7, c6, 0" : : "r" (0));
+}
+
+void flush_dcache_all(void)
+{
+	asm volatile("mcr p15, 0, %0, c7, c10, 0" : : "r" (0));
+	asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
+}
+
+static int check_cache_range(unsigned long start, unsigned long stop)
+{
+	int ok = 1;
+
+	if (start & (CONFIG_SYS_CACHELINE_SIZE - 1))
+		ok = 0;
+
+	if (stop & (CONFIG_SYS_CACHELINE_SIZE - 1))
+		ok = 0;
+
+	if (!ok)
+		debug("CACHE: Misaligned operation at range [%08lx, %08lx]\n",
+			start, stop);
+
+	return ok;
+}
+
+void invalidate_dcache_range(unsigned long start, unsigned long stop)
+{
+	if (!check_cache_range(start, stop))
+		return;
+
+	while (start < stop) {
+		asm volatile("mcr p15, 0, %0, c7, c6, 1" : : "r" (start));
+		start += CONFIG_SYS_CACHELINE_SIZE;
+	}
+}
+
+void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+	if (!check_cache_range(start, stop))
+		return;
+
+	while (start < stop) {
+		asm volatile("mcr p15, 0, %0, c7, c14, 1" : : "r" (start));
+		start += CONFIG_SYS_CACHELINE_SIZE;
+	}
+
+	asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
+}
+
+void flush_cache(unsigned long start, unsigned long size)
+{
+	flush_dcache_range(start, start + size);
+}
+
+#else /* #ifndef CONFIG_SYS_DCACHE_OFF */
+void invalidate_dcache_all(void)
+{
+}
+
+void flush_dcache_all(void)
+{
+}
+
+void invalidate_dcache_range(unsigned long start, unsigned long stop)
+{
+}
+
+void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+}
+
+void flush_cache(unsigned long start, unsigned long size)
+{
+}
+#endif /* #ifndef CONFIG_SYS_DCACHE_OFF */
+
+#if !defined(CONFIG_SYS_ICACHE_OFF) || !defined(CONFIG_SYS_DCACHE_OFF)
+void enable_caches(void)
+{
+#ifndef CONFIG_SYS_ICACHE_OFF
+	icache_enable();
+#endif
+#ifndef CONFIG_SYS_DCACHE_OFF
+	dcache_enable();
+#endif
+}
+#endif
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/mx31/Makefile b/roms/u-boot/arch/arm/cpu/arm1136/mx31/Makefile
new file mode 100644
index 00000000..9670ed93
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/mx31/Makefile
@@ -0,0 +1,10 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	+= generic.o
+obj-y	+= timer.o
+obj-y	+= devices.o
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/mx31/devices.c b/roms/u-boot/arch/arm/cpu/arm1136/mx31/devices.c
new file mode 100644
index 00000000..ae5db86d
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/mx31/devices.c
@@ -0,0 +1,51 @@
+/*
+ *
+ * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+void mx31_uart1_hw_init(void)
+{
+	/* setup pins for UART1 */
+	mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
+	mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
+	mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
+	mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
+}
+
+void mx31_uart2_hw_init(void)
+{
+	/* setup pins for UART2 */
+	mx31_gpio_mux(MUX_RXD2__UART2_RXD_MUX);
+	mx31_gpio_mux(MUX_TXD2__UART2_TXD_MUX);
+	mx31_gpio_mux(MUX_RTS2__UART2_RTS_B);
+	mx31_gpio_mux(MUX_CTS2__UART2_CTS_B);
+}
+
+#ifdef CONFIG_MXC_SPI
+/*
+ * Note: putting several spi setups here makes no sense as they may differ
+ * at board level (physical pin SS0 of CSPI2 may aswell be used as SS0 of CSPI3)
+ */
+void mx31_spi2_hw_init(void)
+{
+	/* SPI2 */
+	mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
+	mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
+	mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
+	mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
+	mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
+	mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
+	mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
+
+	/* start SPI2 clock */
+	__REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
+}
+#endif
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/mx31/generic.c b/roms/u-boot/arch/arm/cpu/arm1136/mx31/generic.c
new file mode 100644
index 00000000..060d46b8
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/mx31/generic.c
@@ -0,0 +1,219 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <div64.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+
+static u32 mx31_decode_pll(u32 reg, u32 infreq)
+{
+	u32 mfi = GET_PLL_MFI(reg);
+	s32 mfn = GET_PLL_MFN(reg);
+	u32 mfd = GET_PLL_MFD(reg);
+	u32 pd =  GET_PLL_PD(reg);
+
+	mfi = mfi <= 5 ? 5 : mfi;
+	mfn = mfn >= 512 ? mfn - 1024 : mfn;
+	mfd += 1;
+	pd += 1;
+
+	return lldiv(2 * (u64)infreq * (mfi * mfd + mfn),
+		mfd * pd);
+}
+
+static u32 mx31_get_mpl_dpdgck_clk(void)
+{
+	u32 infreq;
+
+	if ((readl(CCM_CCMR) & CCMR_PRCS_MASK) == CCMR_FPM)
+		infreq = MXC_CLK32 * 1024;
+	else
+		infreq = MXC_HCLK;
+
+	return mx31_decode_pll(readl(CCM_MPCTL), infreq);
+}
+
+static u32 mx31_get_mcu_main_clk(void)
+{
+	/* For now we assume mpl_dpdgck_clk == mcu_main_clk
+	 * which should be correct for most boards
+	 */
+	return mx31_get_mpl_dpdgck_clk();
+}
+
+static u32 mx31_get_ipg_clk(void)
+{
+	u32 freq = mx31_get_mcu_main_clk();
+	u32 pdr0 = readl(CCM_PDR0);
+
+	freq /= GET_PDR0_MAX_PODF(pdr0) + 1;
+	freq /= GET_PDR0_IPG_PODF(pdr0) + 1;
+
+	return freq;
+}
+
+/* hsp is the clock for the ipu */
+static u32 mx31_get_hsp_clk(void)
+{
+	u32 freq = mx31_get_mcu_main_clk();
+	u32 pdr0 = readl(CCM_PDR0);
+
+	freq /= GET_PDR0_HSP_PODF(pdr0) + 1;
+
+	return freq;
+}
+
+void mx31_dump_clocks(void)
+{
+	u32 cpufreq = mx31_get_mcu_main_clk();
+	printf("mx31 cpu clock: %dMHz\n", cpufreq / 1000000);
+	printf("ipg clock     : %dHz\n", mx31_get_ipg_clk());
+	printf("hsp clock     : %dHz\n", mx31_get_hsp_clk());
+}
+
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+	switch (clk) {
+	case MXC_ARM_CLK:
+		return mx31_get_mcu_main_clk();
+	case MXC_IPG_CLK:
+	case MXC_IPG_PERCLK:
+	case MXC_CSPI_CLK:
+	case MXC_UART_CLK:
+	case MXC_ESDHC_CLK:
+	case MXC_I2C_CLK:
+		return mx31_get_ipg_clk();
+	case MXC_IPU_CLK:
+		return mx31_get_hsp_clk();
+	}
+	return -1;
+}
+
+u32 imx_get_uartclk(void)
+{
+	return mxc_get_clock(MXC_UART_CLK);
+}
+
+void mx31_gpio_mux(unsigned long mode)
+{
+	unsigned long reg, shift, tmp;
+
+	reg = IOMUXC_BASE + (mode & 0x1fc);
+	shift = (~mode & 0x3) * 8;
+
+	tmp = readl(reg);
+	tmp &= ~(0xff << shift);
+	tmp |= ((mode >> IOMUX_MODE_POS) & 0xff) << shift;
+	writel(tmp, reg);
+}
+
+void mx31_set_pad(enum iomux_pins pin, u32 config)
+{
+	u32 field, l, reg;
+
+	pin &= IOMUX_PADNUM_MASK;
+	reg = (IOMUXC_BASE + 0x154) + (pin + 2) / 3 * 4;
+	field = (pin + 2) % 3;
+
+	l = readl(reg);
+	l &= ~(0x1ff << (field * 10));
+	l |= config << (field * 10);
+	writel(l, reg);
+
+}
+
+void mx31_set_gpr(enum iomux_gp_func gp, char en)
+{
+	u32 l;
+	struct iomuxc_regs *iomuxc = (struct iomuxc_regs *)IOMUXC_BASE;
+
+	l = readl(&iomuxc->gpr);
+	if (en)
+		l |= gp;
+	else
+		l &= ~gp;
+
+	writel(l, &iomuxc->gpr);
+}
+
+void mxc_setup_weimcs(int cs, const struct mxc_weimcs *weimcs)
+{
+	struct mx31_weim *weim = (struct mx31_weim *) WEIM_BASE;
+	struct mx31_weim_cscr *cscr = &weim->cscr[cs];
+
+	writel(weimcs->upper, &cscr->upper);
+	writel(weimcs->lower, &cscr->lower);
+	writel(weimcs->additional, &cscr->additional);
+}
+
+struct mx3_cpu_type mx31_cpu_type[] = {
+	{ .srev = 0x00, .v = 0x10 },
+	{ .srev = 0x10, .v = 0x11 },
+	{ .srev = 0x11, .v = 0x11 },
+	{ .srev = 0x12, .v = 0x1F },
+	{ .srev = 0x13, .v = 0x1F },
+	{ .srev = 0x14, .v = 0x12 },
+	{ .srev = 0x15, .v = 0x12 },
+	{ .srev = 0x28, .v = 0x20 },
+	{ .srev = 0x29, .v = 0x20 },
+};
+
+u32 get_cpu_rev(void)
+{
+	u32 i, srev;
+
+	/* read SREV register from IIM module */
+	struct iim_regs *iim = (struct iim_regs *)MX31_IIM_BASE_ADDR;
+	srev = readl(&iim->iim_srev);
+
+	for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)
+		if (srev == mx31_cpu_type[i].srev)
+			return mx31_cpu_type[i].v;
+
+	return srev | 0x8000;
+}
+
+static char *get_reset_cause(void)
+{
+	/* read RCSR register from CCM module */
+	struct clock_control_regs *ccm =
+		(struct clock_control_regs *)CCM_BASE;
+
+	u32 cause = readl(&ccm->rcsr) & 0x07;
+
+	switch (cause) {
+	case 0x0000:
+		return "POR";
+	case 0x0001:
+		return "RST";
+	case 0x0002:
+		return "WDOG";
+	case 0x0006:
+		return "JTAG";
+	case 0x0007:
+		return "ARM11P power gating";
+	default:
+		return "unknown reset";
+	}
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+	u32 srev = get_cpu_rev();
+
+	printf("CPU:   Freescale i.MX31 rev %d.%d%s at %d MHz.\n",
+			(srev & 0xF0) >> 4, (srev & 0x0F),
+			((srev & 0x8000) ? " unknown" : ""),
+			mx31_get_mcu_main_clk() / 1000000);
+	printf("Reset cause: %s\n", get_reset_cause());
+	return 0;
+}
+#endif
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/mx31/timer.c b/roms/u-boot/arch/arm/cpu/arm1136/mx31/timer.c
new file mode 100644
index 00000000..f111242e
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/mx31/timer.c
@@ -0,0 +1,147 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <div64.h>
+#include <watchdog.h>
+#include <asm/io.h>
+
+#define TIMER_BASE 0x53f90000 /* General purpose timer 1 */
+
+/* General purpose timers registers */
+#define GPTCR	__REG(TIMER_BASE)		/* Control register	*/
+#define GPTPR	__REG(TIMER_BASE + 0x4)		/* Prescaler register	*/
+#define GPTSR	__REG(TIMER_BASE + 0x8)		/* Status register	*/
+#define GPTCNT	__REG(TIMER_BASE + 0x24)	/* Counter register	*/
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR		(1 << 15)	/* Software reset	*/
+#define GPTCR_FRR		(1 << 9)	/* Freerun / restart	*/
+#define GPTCR_CLKSOURCE_32	(4 << 6)	/* Clock source		*/
+#define GPTCR_TEN		1		/* Timer enable		*/
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
+ * "tick" is internal timer period
+ */
+
+#ifdef CONFIG_MX31_TIMER_HIGH_PRECISION
+/* ~0.4% error - measured with stop-watch on 100s boot-delay */
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, MXC_CLK32);
+	return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+	time *= MXC_CLK32;
+	do_div(time, CONFIG_SYS_HZ);
+	return time;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us = us * MXC_CLK32 + 999999;
+	do_div(us, 1000000);
+	return us;
+}
+#else
+/* ~2% error */
+#define TICK_PER_TIME	((MXC_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
+#define US_PER_TICK	(1000000 / MXC_CLK32)
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	do_div(tick, TICK_PER_TIME);
+	return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+	return time * TICK_PER_TIME;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us += US_PER_TICK - 1;
+	do_div(us, US_PER_TICK);
+	return us;
+}
+#endif
+
+/* The 32768Hz 32-bit timer overruns in 131072 seconds */
+int timer_init(void)
+{
+	int i;
+
+	/* setup GP Timer 1 */
+	GPTCR = GPTCR_SWR;
+	for (i = 0; i < 100; i++)
+		GPTCR = 0; /* We have no udelay by now */
+	GPTPR = 0; /* 32Khz */
+	/* Freerun Mode, PERCLK1 input */
+	GPTCR |= GPTCR_CLKSOURCE_32 | GPTCR_TEN;
+
+	return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+	ulong now = GPTCNT; /* current tick value */
+
+	if (now >= gd->arch.lastinc)	/* normal mode (non roll) */
+		/* move stamp forward with absolut diff ticks */
+		gd->arch.tbl += (now - gd->arch.lastinc);
+	else			/* we have rollover of incrementer */
+		gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now;
+	gd->arch.lastinc = now;
+	return gd->arch.tbl;
+}
+
+ulong get_timer_masked(void)
+{
+	/*
+	 * get_ticks() returns a long long (64 bit), it wraps in
+	 * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
+	 * 5 * 10^6 days - long enough.
+	 */
+	return tick_to_time(get_ticks());
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay(unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = us_to_tick(usec);
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)	/* loop till event */
+		 /*NOP*/;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return MXC_CLK32;
+}
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/mx35/Makefile b/roms/u-boot/arch/arm/cpu/arm1136/mx35/Makefile
new file mode 100644
index 00000000..c533215c
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/mx35/Makefile
@@ -0,0 +1,12 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	+= generic.o
+obj-y	+= timer.o
+obj-y	+= mx35_sdram.o
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/mx35/generic.c b/roms/u-boot/arch/arm/cpu/arm1136/mx35/generic.c
new file mode 100644
index 00000000..8d3f92ca
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/mx35/generic.c
@@ -0,0 +1,547 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <div64.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
+#include <netdev.h>
+#include <spl.h>
+
+#define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel))
+#define CLK_CODE_ARM(c)		(((c) >> 16) & 0xFF)
+#define CLK_CODE_AHB(c)		(((c) >>  8) & 0xFF)
+#define CLK_CODE_PATH(c)	((c) & 0xFF)
+
+#define CCM_GET_DIVIDER(x, m, o) (((x) & (m)) >> (o))
+
+#ifdef CONFIG_FSL_ESDHC
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
+static int g_clk_mux_auto[8] = {
+	CLK_CODE(1, 3, 0), CLK_CODE(1, 2, 1), CLK_CODE(2, 1, 1), -1,
+	CLK_CODE(1, 6, 0), CLK_CODE(1, 4, 1), CLK_CODE(2, 2, 1), -1,
+};
+
+static int g_clk_mux_consumer[16] = {
+	CLK_CODE(1, 4, 0), CLK_CODE(1, 3, 1), CLK_CODE(1, 3, 1), -1,
+	-1, -1, CLK_CODE(4, 1, 0), CLK_CODE(1, 5, 0),
+	CLK_CODE(1, 8, 1), CLK_CODE(1, 6, 1), CLK_CODE(2, 4, 0), -1,
+	-1, -1, CLK_CODE(4, 2, 0), -1,
+};
+
+static int hsp_div_table[3][16] = {
+	{4, 3, 2, -1, -1, -1, 1, 5, 4, 3, 2, -1, -1, -1, 1, -1},
+	{-1, -1, -1, -1, -1, -1, -1, -1, 8, 6, 4, -1, -1, -1, 2, -1},
+	{3, -1, -1, -1, -1, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1},
+};
+
+u32 get_cpu_rev(void)
+{
+	int reg;
+	struct iim_regs *iim =
+		(struct iim_regs *)IIM_BASE_ADDR;
+	reg = readl(&iim->iim_srev);
+	if (!reg) {
+		reg = readw(ROMPATCH_REV);
+		reg <<= 4;
+	} else {
+		reg += CHIP_REV_1_0;
+	}
+
+	return 0x35000 + (reg & 0xFF);
+}
+
+static u32 get_arm_div(u32 pdr0, u32 *fi, u32 *fd)
+{
+	int *pclk_mux;
+	if (pdr0 & MXC_CCM_PDR0_AUTO_CON) {
+		pclk_mux = g_clk_mux_consumer +
+			((pdr0 & MXC_CCM_PDR0_CON_MUX_DIV_MASK) >>
+			MXC_CCM_PDR0_CON_MUX_DIV_OFFSET);
+	} else {
+		pclk_mux = g_clk_mux_auto +
+			((pdr0 & MXC_CCM_PDR0_AUTO_MUX_DIV_MASK) >>
+			MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET);
+	}
+
+	if ((*pclk_mux) == -1)
+		return -1;
+
+	if (fi && fd) {
+		if (!CLK_CODE_PATH(*pclk_mux)) {
+			*fi = *fd = 1;
+			return CLK_CODE_ARM(*pclk_mux);
+		}
+		if (pdr0 & MXC_CCM_PDR0_AUTO_CON) {
+			*fi = 3;
+			*fd = 4;
+		} else {
+			*fi = 2;
+			*fd = 3;
+		}
+	}
+	return CLK_CODE_ARM(*pclk_mux);
+}
+
+static int get_ahb_div(u32 pdr0)
+{
+	int *pclk_mux;
+
+	pclk_mux = g_clk_mux_consumer +
+		((pdr0 & MXC_CCM_PDR0_CON_MUX_DIV_MASK) >>
+		MXC_CCM_PDR0_CON_MUX_DIV_OFFSET);
+
+	if ((*pclk_mux) == -1)
+		return -1;
+
+	return CLK_CODE_AHB(*pclk_mux);
+}
+
+static u32 decode_pll(u32 reg, u32 infreq)
+{
+	u32 mfi = (reg >> 10) & 0xf;
+	s32 mfn = reg & 0x3ff;
+	u32 mfd = (reg >> 16) & 0x3ff;
+	u32 pd = (reg >> 26) & 0xf;
+
+	mfi = mfi <= 5 ? 5 : mfi;
+	mfn = mfn >= 512 ? mfn - 1024 : mfn;
+	mfd += 1;
+	pd += 1;
+
+	return lldiv(2 * (u64)infreq * (mfi * mfd + mfn),
+		mfd * pd);
+}
+
+static u32 get_mcu_main_clk(void)
+{
+	u32 arm_div = 0, fi = 0, fd = 0;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	arm_div = get_arm_div(readl(&ccm->pdr0), &fi, &fd);
+	fi *= decode_pll(readl(&ccm->mpctl), MXC_HCLK);
+	return fi / (arm_div * fd);
+}
+
+static u32 get_ipg_clk(void)
+{
+	u32 freq = get_mcu_main_clk();
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr0 = readl(&ccm->pdr0);
+
+	return freq / (get_ahb_div(pdr0) * 2);
+}
+
+static u32 get_ipg_per_clk(void)
+{
+	u32 freq = get_mcu_main_clk();
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr0 = readl(&ccm->pdr0);
+	u32 pdr4 = readl(&ccm->pdr4);
+	u32 div;
+	if (pdr0 & MXC_CCM_PDR0_PER_SEL) {
+		div = CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_PER0_PODF_MASK,
+			MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1;
+	} else {
+		div = CCM_GET_DIVIDER(pdr0,
+			MXC_CCM_PDR0_PER_PODF_MASK,
+			MXC_CCM_PDR0_PER_PODF_OFFSET) + 1;
+		div *= get_ahb_div(pdr0);
+	}
+	return freq / div;
+}
+
+u32 imx_get_uartclk(void)
+{
+	u32 freq;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr4 = readl(&ccm->pdr4);
+
+	if (readl(&ccm->pdr3) & MXC_CCM_PDR3_UART_M_U)
+		freq = get_mcu_main_clk();
+	else
+		freq = decode_pll(readl(&ccm->ppctl), MXC_HCLK);
+	freq /= CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_UART_PODF_MASK,
+			MXC_CCM_PDR4_UART_PODF_OFFSET) + 1;
+	return freq;
+}
+
+unsigned int mxc_get_main_clock(enum mxc_main_clock clk)
+{
+	u32 nfc_pdf, hsp_podf;
+	u32 pll, ret_val = 0, usb_podf;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+
+	u32 reg = readl(&ccm->pdr0);
+	u32 reg4 = readl(&ccm->pdr4);
+
+	reg |= 0x1;
+
+	switch (clk) {
+	case CPU_CLK:
+		ret_val = get_mcu_main_clk();
+		break;
+	case AHB_CLK:
+		ret_val = get_mcu_main_clk();
+		break;
+	case HSP_CLK:
+		if (reg & CLKMODE_CONSUMER) {
+			hsp_podf = (reg >> 20) & 0x3;
+			pll = get_mcu_main_clk();
+			hsp_podf = hsp_div_table[hsp_podf][(reg>>16)&0xF];
+			if (hsp_podf > 0) {
+				ret_val = pll / hsp_podf;
+			} else {
+				puts("mismatch HSP with ARM clock setting\n");
+				ret_val = 0;
+			}
+		} else {
+			ret_val = get_mcu_main_clk();
+		}
+		break;
+	case IPG_CLK:
+		ret_val = get_ipg_clk();
+		break;
+	case IPG_PER_CLK:
+		ret_val = get_ipg_per_clk();
+		break;
+	case NFC_CLK:
+		nfc_pdf = (reg4 >> 28) & 0xF;
+		pll = get_mcu_main_clk();
+		/* AHB/nfc_pdf */
+		ret_val = pll / (nfc_pdf + 1);
+		break;
+	case USB_CLK:
+		usb_podf = (reg4 >> 22) & 0x3F;
+		if (reg4 & 0x200)
+			pll = get_mcu_main_clk();
+		else
+			pll = decode_pll(readl(&ccm->ppctl), MXC_HCLK);
+
+		ret_val = pll / (usb_podf + 1);
+		break;
+	default:
+		printf("Unknown clock: %d\n", clk);
+		break;
+	}
+
+	return ret_val;
+}
+unsigned int mxc_get_peri_clock(enum mxc_peri_clock clk)
+{
+	u32 ret_val = 0, pdf, pre_pdf, clk_sel;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 mpdr2 = readl(&ccm->pdr2);
+	u32 mpdr3 = readl(&ccm->pdr3);
+	u32 mpdr4 = readl(&ccm->pdr4);
+
+	switch (clk) {
+	case UART1_BAUD:
+	case UART2_BAUD:
+	case UART3_BAUD:
+		clk_sel = mpdr3 & (1 << 14);
+		pdf = (mpdr4 >> 10) & 0x3F;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) / (pdf + 1);
+		break;
+	case SSI1_BAUD:
+		pre_pdf = (mpdr2 >> 24) & 0x7;
+		pdf = mpdr2 & 0x3F;
+		clk_sel = mpdr2 & (1 << 6);
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case SSI2_BAUD:
+		pre_pdf = (mpdr2 >> 27) & 0x7;
+		pdf = (mpdr2 >> 8) & 0x3F;
+		clk_sel = mpdr2 & (1 << 6);
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case CSI_BAUD:
+		clk_sel = mpdr2 & (1 << 7);
+		pdf = (mpdr2 >> 16) & 0x3F;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) / (pdf + 1);
+		break;
+	case MSHC_CLK:
+		pre_pdf = readl(&ccm->pdr1);
+		clk_sel = (pre_pdf & 0x80);
+		pdf = (pre_pdf >> 22) & 0x3F;
+		pre_pdf = (pre_pdf >> 28) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case ESDHC1_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pdf = mpdr3 & 0x3F;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) / (pdf + 1);
+		break;
+	case ESDHC2_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pdf = (mpdr3 >> 8) & 0x3F;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) / (pdf + 1);
+		break;
+	case ESDHC3_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pdf = (mpdr3 >> 16) & 0x3F;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) / (pdf + 1);
+		break;
+	case SPDIF_CLK:
+		clk_sel = mpdr3 & 0x400000;
+		pre_pdf = (mpdr3 >> 29) & 0x7;
+		pdf = (mpdr3 >> 23) & 0x3F;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), MXC_HCLK)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	default:
+		printf("%s(): This clock: %d not supported yet\n",
+				__func__, clk);
+		break;
+	}
+
+	return ret_val;
+}
+
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+	switch (clk) {
+	case MXC_ARM_CLK:
+		return get_mcu_main_clk();
+	case MXC_AHB_CLK:
+		break;
+	case MXC_IPG_CLK:
+		return get_ipg_clk();
+	case MXC_IPG_PERCLK:
+	case MXC_I2C_CLK:
+		return get_ipg_per_clk();
+	case MXC_UART_CLK:
+		return imx_get_uartclk();
+	case MXC_ESDHC1_CLK:
+		return mxc_get_peri_clock(ESDHC1_CLK);
+	case MXC_ESDHC2_CLK:
+		return mxc_get_peri_clock(ESDHC2_CLK);
+	case MXC_ESDHC3_CLK:
+		return mxc_get_peri_clock(ESDHC3_CLK);
+	case MXC_USB_CLK:
+		return mxc_get_main_clock(USB_CLK);
+	case MXC_FEC_CLK:
+		return get_ipg_clk();
+	case MXC_CSPI_CLK:
+		return get_ipg_clk();
+	}
+	return -1;
+}
+
+#ifdef CONFIG_FEC_MXC
+/*
+ * The MX35 has no fuse for MAC, return a NULL MAC
+ */
+void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+	memset(mac, 0, 6);
+}
+
+u32 imx_get_fecclk(void)
+{
+	return mxc_get_clock(MXC_IPG_CLK);
+}
+#endif
+
+int do_mx35_showclocks(cmd_tbl_t *cmdtp,
+	int flag, int argc, char * const argv[])
+{
+	u32 cpufreq = get_mcu_main_clk();
+	printf("mx35 cpu clock: %dMHz\n", cpufreq / 1000000);
+	printf("ipg clock     : %dHz\n", get_ipg_clk());
+	printf("ipg per clock : %dHz\n", get_ipg_per_clk());
+	printf("uart clock    : %dHz\n", mxc_get_clock(MXC_UART_CLK));
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	clocks,	CONFIG_SYS_MAXARGS, 1, do_mx35_showclocks,
+	"display clocks",
+	""
+);
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+static char *get_reset_cause(void)
+{
+	/* read RCSR register from CCM module */
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+
+	u32 cause = readl(&ccm->rcsr) & 0x0F;
+
+	switch (cause) {
+	case 0x0000:
+		return "POR";
+	case 0x0002:
+		return "JTAG";
+	case 0x0004:
+		return "RST";
+	case 0x0008:
+		return "WDOG";
+	default:
+		return "unknown reset";
+	}
+}
+
+int print_cpuinfo(void)
+{
+	u32 srev = get_cpu_rev();
+
+	printf("CPU:   Freescale i.MX35 rev %d.%d at %d MHz.\n",
+		(srev & 0xF0) >> 4, (srev & 0x0F),
+		get_mcu_main_clk() / 1000000);
+
+	printf("Reset cause: %s\n", get_reset_cause());
+
+	return 0;
+}
+#endif
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
+{
+	int rc = -ENODEV;
+
+#if defined(CONFIG_FEC_MXC)
+	rc = fecmxc_initialize(bis);
+#endif
+
+	return rc;
+}
+
+#ifdef CONFIG_FSL_ESDHC
+/*
+ * Initializes on-chip MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init(bd_t *bis)
+{
+	return fsl_esdhc_mmc_init(bis);
+}
+#endif
+
+int get_clocks(void)
+{
+#ifdef CONFIG_FSL_ESDHC
+#if CONFIG_SYS_FSL_ESDHC_ADDR == MMC_SDHC2_BASE_ADDR
+	gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+#elif CONFIG_SYS_FSL_ESDHC_ADDR == MMC_SDHC3_BASE_ADDR
+	gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+#else
+	gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK);
+#endif
+#endif
+	return 0;
+}
+
+#define RCSR_MEM_CTL_WEIM	0
+#define RCSR_MEM_CTL_NAND	1
+#define RCSR_MEM_CTL_ATA	2
+#define RCSR_MEM_CTL_EXPANSION	3
+#define RCSR_MEM_TYPE_NOR	0
+#define RCSR_MEM_TYPE_ONENAND	2
+#define RCSR_MEM_TYPE_SD	0
+#define RCSR_MEM_TYPE_I2C	2
+#define RCSR_MEM_TYPE_SPI	3
+
+u32 spl_boot_device(void)
+{
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+
+	u32 rcsr = readl(&ccm->rcsr);
+	u32 mem_type, mem_ctl;
+
+	/* In external mode, no boot device is returned */
+	if ((rcsr >> 10) & 0x03)
+		return BOOT_DEVICE_NONE;
+
+	mem_ctl = (rcsr >> 25) & 0x03;
+	mem_type = (rcsr >> 23) & 0x03;
+
+	switch (mem_ctl) {
+	case RCSR_MEM_CTL_WEIM:
+		switch (mem_type) {
+		case RCSR_MEM_TYPE_NOR:
+			return BOOT_DEVICE_NOR;
+		case RCSR_MEM_TYPE_ONENAND:
+			return BOOT_DEVICE_ONENAND;
+		default:
+			return BOOT_DEVICE_NONE;
+		}
+	case RCSR_MEM_CTL_NAND:
+		return BOOT_DEVICE_NAND;
+	case RCSR_MEM_CTL_EXPANSION:
+		switch (mem_type) {
+		case RCSR_MEM_TYPE_SD:
+			return BOOT_DEVICE_MMC1;
+		case RCSR_MEM_TYPE_I2C:
+			return BOOT_DEVICE_I2C;
+		case RCSR_MEM_TYPE_SPI:
+			return BOOT_DEVICE_SPI;
+		default:
+			return BOOT_DEVICE_NONE;
+		}
+	}
+
+	return BOOT_DEVICE_NONE;
+}
+
+#ifdef CONFIG_SPL_BUILD
+u32 spl_boot_mode(void)
+{
+	switch (spl_boot_device()) {
+	case BOOT_DEVICE_MMC1:
+#ifdef CONFIG_SPL_FAT_SUPPORT
+		return MMCSD_MODE_FAT;
+#else
+		return MMCSD_MODE_RAW;
+#endif
+		break;
+	case BOOT_DEVICE_NAND:
+		return 0;
+		break;
+	default:
+		puts("spl: ERROR:  unsupported device\n");
+		hang();
+	}
+}
+#endif
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/mx35/mx35_sdram.c b/roms/u-boot/arch/arm/cpu/arm1136/mx35/mx35_sdram.c
new file mode 100644
index 00000000..d358f5f2
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/mx35/mx35_sdram.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2012, Stefano Babic <sbabic@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <linux/types.h>
+#include <asm/arch/sys_proto.h>
+
+#define ESDCTL_DDR2_EMR2	0x04000000
+#define ESDCTL_DDR2_EMR3	0x06000000
+#define ESDCTL_PRECHARGE	0x00000400
+#define ESDCTL_DDR2_EN_DLL	0x02000400
+#define ESDCTL_DDR2_RESET_DLL	0x00000333
+#define ESDCTL_DDR2_MR		0x00000233
+#define ESDCTL_DDR2_OCD_DEFAULT 0x02000780
+
+enum {
+	SMODE_NORMAL =	0,
+	SMODE_PRECHARGE,
+	SMODE_AUTO_REFRESH,
+	SMODE_LOAD_REG,
+	SMODE_MANUAL_REFRESH
+};
+
+#define set_mode(x, en, m)	(x | (en << 31) | (m << 28))
+
+static inline void dram_wait(unsigned int count)
+{
+	volatile unsigned int wait = count;
+
+	while (wait--)
+		;
+
+}
+
+void mx3_setup_sdram_bank(u32 start_address, u32 ddr2_config,
+	u32 row, u32 col, u32 dsize, u32 refresh)
+{
+	struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR;
+	u32 *cfg_reg, *ctl_reg;
+	u32 val;
+	u32 ctlval;
+
+	switch (start_address) {
+	case CSD0_BASE_ADDR:
+		cfg_reg = &esdc->esdcfg0;
+		ctl_reg = &esdc->esdctl0;
+		break;
+	case CSD1_BASE_ADDR:
+		cfg_reg = &esdc->esdcfg1;
+		ctl_reg = &esdc->esdctl1;
+		break;
+	default:
+		return;
+	}
+
+	/* The MX35 supports 11 up to 14 rows */
+	if (row < 11 || row > 14 || col < 8 || col > 10)
+		return;
+	ctlval = (row - 11) << 24 | (col - 8) << 20 | (dsize << 16);
+
+	/* Initialize MISC register for DDR2 */
+	val = ESDC_MISC_RST | ESDC_MISC_MDDR_EN | ESDC_MISC_MDDR_DL_RST |
+		ESDC_MISC_DDR_EN | ESDC_MISC_DDR2_EN;
+	writel(val, &esdc->esdmisc);
+	val &= ~(ESDC_MISC_RST | ESDC_MISC_MDDR_DL_RST);
+	writel(val, &esdc->esdmisc);
+
+	/*
+	 * according to DDR2 specs, wait a while before
+	 * the PRECHARGE_ALL command
+	 */
+	dram_wait(0x20000);
+
+	/* Load DDR2 config and timing */
+	writel(ddr2_config, cfg_reg);
+
+	/* Precharge ALL */
+	writel(set_mode(ctlval, 1, SMODE_PRECHARGE),
+		ctl_reg);
+	writel(0xda, start_address + ESDCTL_PRECHARGE);
+
+	/* Load mode */
+	writel(set_mode(ctlval, 1, SMODE_LOAD_REG),
+		ctl_reg);
+	writeb(0xda, start_address + ESDCTL_DDR2_EMR2); /* EMRS2 */
+	writeb(0xda, start_address + ESDCTL_DDR2_EMR3); /* EMRS3 */
+	writeb(0xda, start_address + ESDCTL_DDR2_EN_DLL); /* Enable DLL */
+	writeb(0xda, start_address + ESDCTL_DDR2_RESET_DLL); /* Reset DLL */
+
+	/* Precharge ALL */
+	writel(set_mode(ctlval, 1, SMODE_PRECHARGE),
+		ctl_reg);
+	writel(0xda, start_address + ESDCTL_PRECHARGE);
+
+	/* Set mode auto refresh : at least two refresh are required */
+	writel(set_mode(ctlval, 1, SMODE_AUTO_REFRESH),
+		ctl_reg);
+	writel(0xda, start_address);
+	writel(0xda, start_address);
+
+	writel(set_mode(ctlval, 1, SMODE_LOAD_REG),
+		ctl_reg);
+	writeb(0xda, start_address + ESDCTL_DDR2_MR);
+	writeb(0xda, start_address + ESDCTL_DDR2_OCD_DEFAULT);
+
+	/* OCD mode exit */
+	writeb(0xda, start_address + ESDCTL_DDR2_EN_DLL); /* Enable DLL */
+
+	/* Set normal mode */
+	writel(set_mode(ctlval, 1, SMODE_NORMAL) | refresh,
+		ctl_reg);
+
+	dram_wait(0x20000);
+
+	/* Do not set delay lines, only for MDDR */
+}
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/mx35/timer.c b/roms/u-boot/arch/arm/cpu/arm1136/mx35/timer.c
new file mode 100644
index 00000000..cc6166f9
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/mx35/timer.c
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <div64.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define timestamp	(gd->arch.tbl)
+#define lastinc		(gd->arch.lastinc)
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR       (1<<15)	/* Software reset */
+#define GPTCR_FRR       (1<<9)	/* Freerun / restart */
+#define GPTCR_CLKSOURCE_32   (4<<6)	/* Clock source */
+#define GPTCR_TEN       (1)	/* Timer enable */
+
+/*
+ * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
+ * "tick" is internal timer period
+ */
+/* ~0.4% error - measured with stop-watch on 100s boot-delay */
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, MXC_CLK32);
+
+	return tick;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us = us * MXC_CLK32 + 999999;
+	do_div(us, 1000000);
+
+	return us;
+}
+
+/*
+ * nothing really to do with interrupts, just starts up a counter.
+ * The 32KHz 32-bit timer overruns in 134217 seconds
+ */
+int timer_init(void)
+{
+	int i;
+	struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
+	struct ccm_regs *ccm = (struct ccm_regs *)CCM_BASE_ADDR;
+
+	/* setup GP Timer 1 */
+	writel(GPTCR_SWR, &gpt->ctrl);
+
+	writel(readl(&ccm->cgr1) | 3 << MXC_CCM_CGR1_GPT_OFFSET, &ccm->cgr1);
+
+	for (i = 0; i < 100; i++)
+		writel(0, &gpt->ctrl); /* We have no udelay by now */
+	writel(0, &gpt->pre); /* prescaler = 1 */
+	/* Freerun Mode, 32KHz input */
+	writel(readl(&gpt->ctrl) | GPTCR_CLKSOURCE_32 | GPTCR_FRR,
+			&gpt->ctrl);
+	writel(readl(&gpt->ctrl) | GPTCR_TEN, &gpt->ctrl);
+
+	return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+	struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
+	ulong now = readl(&gpt->counter); /* current tick value */
+
+	if (now >= lastinc) {
+		/*
+		 * normal mode (non roll)
+		 * move stamp forward with absolut diff ticks
+		 */
+		timestamp += (now - lastinc);
+	} else {
+		/* we have rollover of incrementer */
+		timestamp += (0xFFFFFFFF - lastinc) + now;
+	}
+	lastinc = now;
+	return timestamp;
+}
+
+ulong get_timer_masked(void)
+{
+	/*
+	 * get_ticks() returns a long long (64 bit), it wraps in
+	 * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
+	 * 5 * 10^6 days - long enough.
+	 */
+	return tick_to_time(get_ticks());
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+/* delay x useconds AND preserve advance timstamp value */
+void __udelay(unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = us_to_tick(usec);
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)	/* loop till event */
+		 /*NOP*/;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return MXC_CLK32;
+}
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/start.S b/roms/u-boot/arch/arm/cpu/arm1136/start.S
new file mode 100644
index 00000000..3e2358e1
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/start.S
@@ -0,0 +1,346 @@
+/*
+ *  armboot - Startup Code for OMP2420/ARM1136 CPU-core
+ *
+ *  Copyright (c) 2004	Texas Instruments <r-woodruff2@ti.com>
+ *
+ *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
+ *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
+ *  Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
+ *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
+ *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <version.h>
+.globl _start
+_start: b	reset
+#ifdef CONFIG_SPL_BUILD
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+
+_hang:
+	.word	do_hang
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678	/* now 16*4=64 */
+#else
+	ldr	pc, _undefined_instruction
+	ldr	pc, _software_interrupt
+	ldr	pc, _prefetch_abort
+	ldr	pc, _data_abort
+	ldr	pc, _not_used
+	ldr	pc, _irq
+	ldr	pc, _fiq
+
+_undefined_instruction: .word undefined_instruction
+_software_interrupt:	.word software_interrupt
+_prefetch_abort:	.word prefetch_abort
+_data_abort:		.word data_abort
+_not_used:		.word not_used
+_irq:			.word irq
+_fiq:			.word fiq
+_pad:			.word 0x12345678 /* now 16*4=64 */
+#endif	/* CONFIG_SPL_BUILD */
+.global _end_vect
+_end_vect:
+
+	.balignl 16,0xdeadbeef
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from memory!
+ * setup Memory and board specific bits prior to relocation.
+ * relocate armboot to ram
+ * setup stack
+ *
+ *************************************************************************
+ */
+
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack memory (calculated at run-time) */
+.globl IRQ_STACK_START
+IRQ_STACK_START:
+	.word	0x0badc0de
+
+/* IRQ stack memory (calculated at run-time) */
+.globl FIQ_STACK_START
+FIQ_STACK_START:
+	.word 0x0badc0de
+#endif
+
+/* IRQ stack memory (calculated at run-time) + 8 bytes */
+.globl IRQ_STACK_START_IN
+IRQ_STACK_START_IN:
+	.word	0x0badc0de
+
+/*
+ * the actual reset code
+ */
+
+reset:
+	/*
+	 * set the cpu to SVC32 mode
+	 */
+	mrs	r0,cpsr
+	bic	r0,r0,#0x1f
+	orr	r0,r0,#0xd3
+	msr	cpsr,r0
+
+	/* the mask ROM code should have PLL and others stable */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+	bl  cpu_init_crit
+#endif
+
+	bl	_main
+
+/*------------------------------------------------------------------------------*/
+
+	.globl	c_runtime_cpu_setup
+c_runtime_cpu_setup:
+
+	bx	lr
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+cpu_init_crit:
+	/*
+	 * flush v4 I/D caches
+	 */
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c7, 0	/* Invalidate I+D+BTB caches */
+	mcr	p15, 0, r0, c8, c7, 0	/* Invalidate Unified TLB */
+
+	/*
+	 * disable MMU stuff and caches
+	 */
+	mrc	p15, 0, r0, c1, c0, 0
+	bic	r0, r0, #0x00002300	@ clear bits 13, 9:8 (--V- --RS)
+	bic	r0, r0, #0x00000087	@ clear bits 7, 2:0 (B--- -CAM)
+	orr	r0, r0, #0x00000002	@ set bit 2 (A) Align
+	orr	r0, r0, #0x00001000	@ set bit 12 (I) I-Cache
+	mcr	p15, 0, r0, c1, c0, 0
+
+	/*
+	 * Jump to board specific initialization... The Mask ROM will have already initialized
+	 * basic memory.  Go here to bump up clock rate and handle wake up conditions.
+	 */
+	mov	ip, lr		/* persevere link reg across call */
+	bl	lowlevel_init	/* go setup pll,mux,memory */
+	mov	lr, ip		/* restore link */
+	mov	pc, lr		/* back to my caller */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+
+#ifndef CONFIG_SPL_BUILD
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE	72
+
+#define S_OLD_R0	68
+#define S_PSR		64
+#define S_PC		60
+#define S_LR		56
+#define S_SP		52
+
+#define S_IP		48
+#define S_FP		44
+#define S_R10		40
+#define S_R9		36
+#define S_R8		32
+#define S_R7		28
+#define S_R6		24
+#define S_R5		20
+#define S_R4		16
+#define S_R3		12
+#define S_R2		8
+#define S_R1		4
+#define S_R0		0
+
+#define MODE_SVC 0x13
+#define I_BIT	 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
+ */
+
+	.macro	bad_save_user_regs
+	sub	sp, sp, #S_FRAME_SIZE		@ carve out a frame on current user stack
+	stmia	sp, {r0 - r12}			@ Save user registers (now in svc mode) r0-r12
+
+	ldr	r2, IRQ_STACK_START_IN		@ set base 2 words into abort stack
+	ldmia	r2, {r2 - r3}			@ get values for "aborted" pc and cpsr (into parm regs)
+	add	r0, sp, #S_FRAME_SIZE		@ grab pointer to old stack
+
+	add	r5, sp, #S_SP
+	mov	r1, lr
+	stmia	r5, {r0 - r3}			@ save sp_SVC, lr_SVC, pc, cpsr
+	mov	r0, sp				@ save current stack into r0 (param register)
+	.endm
+
+	.macro	irq_save_user_regs
+	sub	sp, sp, #S_FRAME_SIZE
+	stmia	sp, {r0 - r12}			@ Calling r0-r12
+	add	r8, sp, #S_PC			@ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good.
+	stmdb	r8, {sp, lr}^			@ Calling SP, LR
+	str	lr, [r8, #0]			@ Save calling PC
+	mrs	r6, spsr
+	str	r6, [r8, #4]			@ Save CPSR
+	str	r0, [r8, #8]			@ Save OLD_R0
+	mov	r0, sp
+	.endm
+
+	.macro	irq_restore_user_regs
+	ldmia	sp, {r0 - lr}^			@ Calling r0 - lr
+	mov	r0, r0
+	ldr	lr, [sp, #S_PC]			@ Get PC
+	add	sp, sp, #S_FRAME_SIZE
+	subs	pc, lr, #4			@ return & move spsr_svc into cpsr
+	.endm
+
+	.macro get_bad_stack
+	ldr	r13, IRQ_STACK_START_IN		@ setup our mode stack (enter in banked mode)
+
+	str	lr, [r13]			@ save caller lr in position 0 of saved stack
+	mrs	lr, spsr			@ get the spsr
+	str	lr, [r13, #4]			@ save spsr in position 1 of saved stack
+
+	mov	r13, #MODE_SVC			@ prepare SVC-Mode
+	@ msr	spsr_c, r13
+	msr	spsr, r13			@ switch modes, make sure moves will execute
+	mov	lr, pc				@ capture return pc
+	movs	pc, lr				@ jump to next instruction & switch modes.
+	.endm
+
+	.macro get_bad_stack_swi
+	sub	r13, r13, #4			@ space on current stack for scratch reg.
+	str	r0, [r13]			@ save R0's value.
+	ldr	r0, IRQ_STACK_START_IN		@ get data regions start
+	str	lr, [r0]			@ save caller lr in position 0 of saved stack
+	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
+
+	.macro get_irq_stack			@ setup IRQ stack
+	ldr	sp, IRQ_STACK_START
+	.endm
+
+	.macro get_fiq_stack			@ setup FIQ stack
+	ldr	sp, FIQ_STACK_START
+	.endm
+#endif	/* CONFIG_SPL_BUILD */
+
+/*
+ * exception handlers
+ */
+#ifdef CONFIG_SPL_BUILD
+	.align	5
+do_hang:
+	bl	hang				/* hang and never return */
+#else	/* !CONFIG_SPL_BUILD */
+	.align	5
+undefined_instruction:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_undefined_instruction
+
+	.align	5
+software_interrupt:
+	get_bad_stack_swi
+	bad_save_user_regs
+	bl	do_software_interrupt
+
+	.align	5
+prefetch_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_prefetch_abort
+
+	.align	5
+data_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_data_abort
+
+	.align	5
+not_used:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_not_used
+
+#ifdef CONFIG_USE_IRQ
+
+	.align	5
+irq:
+	get_irq_stack
+	irq_save_user_regs
+	bl	do_irq
+	irq_restore_user_regs
+
+	.align	5
+fiq:
+	get_fiq_stack
+	/* someone ought to write a more effiction fiq_save_user_regs */
+	irq_save_user_regs
+	bl	do_fiq
+	irq_restore_user_regs
+
+#else
+
+	.align	5
+irq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_irq
+
+	.align	5
+fiq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_fiq
+
+#endif
+	.align 5
+.global arm1136_cache_flush
+arm1136_cache_flush:
+#if !defined(CONFIG_SYS_ICACHE_OFF)
+		mcr	p15, 0, r1, c7, c5, 0	@ invalidate I cache
+#endif
+#if !defined(CONFIG_SYS_DCACHE_OFF)
+		mcr	p15, 0, r1, c7, c14, 0	@ invalidate D cache
+#endif
+		mov	pc, lr			@ back to caller
+#endif	/* CONFIG_SPL_BUILD */
diff --git a/roms/u-boot/arch/arm/cpu/arm1136/u-boot-spl.lds b/roms/u-boot/arch/arm/cpu/arm1136/u-boot-spl.lds
new file mode 100644
index 00000000..0299902f
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm1136/u-boot-spl.lds
@@ -0,0 +1,50 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *	Aneesh V <aneesh@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\
+		LENGTH = CONFIG_SPL_MAX_SIZE }
+MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \
+		LENGTH = CONFIG_SPL_BSS_MAX_SIZE }
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	.text      :
+	{
+	__start = .;
+	  arch/arm/cpu/arm1136/start.o	(.text*)
+	  *(.text*)
+	} >.sram
+
+	. = ALIGN(4);
+	.rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram
+
+	. = ALIGN(4);
+	.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
+	. = ALIGN(4);
+	__image_copy_end = .;
+
+	.end :
+	{
+		*(.__end)
+	}
+
+	.bss :
+	{
+		. = ALIGN(4);
+		__bss_start = .;
+		*(.bss*)
+		. = ALIGN(4);
+		__bss_end = .;
+	} >.sdram
+}