added boot script files to repository

49 files changed, 6919 insertions, 0 deletions

diff --git a/u-boot/arch/arm/cpu/armv7/Makefile b/u-boot/arch/arm/cpu/armv7/Makefile
new file mode 100644
index 0000000..8c0e915
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(CPU).o
+
+START	:= start.o
+COBJS	:= cpu.o
+COBJS  += syslib.o
+
+SRCS	:= $(START:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/config.mk b/u-boot/arch/arm/cpu/armv7/config.mk
new file mode 100644
index 0000000..49ac9c7
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/config.mk
@@ -0,0 +1,33 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v7a.
+PLATFORM_CPPFLAGS += -march=armv5
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
+		    $(call cc-option,-malignment-traps,))
diff --git a/u-boot/arch/arm/cpu/armv7/cpu.c b/u-boot/arch/arm/cpu/armv7/cpu.c
new file mode 100644
index 0000000..a01e0d6
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/cpu.c
@@ -0,0 +1,83 @@
+/*
+ * (C) Copyright 2008 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>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/system.h>
+#include <asm/cache.h>
+#ifndef CONFIG_L2_OFF
+#include <asm/arch/sys_proto.h>
+#endif
+
+static void cache_flush(void);
+
+int cleanup_before_linux(void)
+{
+	unsigned int i;
+
+	/*
+	 * this function is called just before we call linux
+	 * it prepares the processor for linux
+	 *
+	 * we turn off caches etc ...
+	 */
+	disable_interrupts();
+
+	/* turn off I/D-cache */
+	icache_disable();
+	dcache_disable();
+
+	/* invalidate I-cache */
+	cache_flush();
+
+#ifndef CONFIG_L2_OFF
+	/* turn off L2 cache */
+	l2_cache_disable();
+	/* invalidate L2 cache also */
+	invalidate_dcache(get_device_type());
+#endif
+	i = 0;
+	/* mem barrier to sync up things */
+	asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i));
+
+#ifndef CONFIG_L2_OFF
+	l2_cache_enable();
+#endif
+
+	return 0;
+}
+
+static void cache_flush(void)
+{
+	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0));
+}
diff --git a/u-boot/arch/arm/cpu/armv7/mx5/Makefile b/u-boot/arch/arm/cpu/armv7/mx5/Makefile
new file mode 100644
index 0000000..e8be9c9
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/mx5/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2009 Freescale Semiconductor, Inc.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS	= soc.o clock.o iomux.o timer.o speed.o
+SOBJS = lowlevel_init.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/mx5/clock.c b/u-boot/arch/arm/cpu/armv7/mx5/clock.c
new file mode 100644
index 0000000..0b04a88
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/mx5/clock.c
@@ -0,0 +1,294 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+
+enum pll_clocks {
+	PLL1_CLOCK = 0,
+	PLL2_CLOCK,
+	PLL3_CLOCK,
+	PLL_CLOCKS,
+};
+
+struct mxc_pll_reg *mxc_plls[PLL_CLOCKS] = {
+	[PLL1_CLOCK] = (struct mxc_pll_reg *)PLL1_BASE_ADDR,
+	[PLL2_CLOCK] = (struct mxc_pll_reg *)PLL2_BASE_ADDR,
+	[PLL3_CLOCK] = (struct mxc_pll_reg *)PLL3_BASE_ADDR,
+};
+
+struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
+
+/*
+ * Calculate the frequency of this pll.
+ */
+static u32 decode_pll(struct mxc_pll_reg *pll, u32 infreq)
+{
+	u32 mfi, mfn, mfd, pd;
+
+	mfn = __raw_readl(&pll->mfn);
+	mfd = __raw_readl(&pll->mfd) + 1;
+	mfi = __raw_readl(&pll->op);
+	pd = (mfi  & 0xF) + 1;
+	mfi = (mfi >> 4) & 0xF;
+	mfi = (mfi >= 5) ? mfi : 5;
+
+	return ((4 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000;
+}
+
+/*
+ * Get mcu main rate
+ */
+u32 get_mcu_main_clk(void)
+{
+	u32 reg, freq;
+
+	reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >>
+		MXC_CCM_CACRR_ARM_PODF_OFFSET;
+	freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+	return freq / (reg + 1);
+}
+
+/*
+ * Get the rate of peripheral's root clock.
+ */
+static u32 get_periph_clk(void)
+{
+	u32 reg;
+
+	reg = __raw_readl(&mxc_ccm->cbcdr);
+	if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL))
+		return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_SYS_MX5_HCLK);
+	reg = __raw_readl(&mxc_ccm->cbcmr);
+	switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >>
+		MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
+	case 0:
+		return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+	case 1:
+		return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_SYS_MX5_HCLK);
+	default:
+		return 0;
+	}
+	/* NOTREACHED */
+}
+
+/*
+ * Get the rate of ipg clock.
+ */
+static u32 get_ipg_clk(void)
+{
+	u32 ahb_podf, ipg_podf;
+
+	ahb_podf = __raw_readl(&mxc_ccm->cbcdr);
+	ipg_podf = (ahb_podf & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
+			MXC_CCM_CBCDR_IPG_PODF_OFFSET;
+	ahb_podf = (ahb_podf & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
+			MXC_CCM_CBCDR_AHB_PODF_OFFSET;
+	return get_periph_clk() / ((ahb_podf + 1) * (ipg_podf + 1));
+}
+
+/*
+ * Get the rate of ipg_per clock.
+ */
+static u32 get_ipg_per_clk(void)
+{
+	u32 pred1, pred2, podf;
+
+	if (__raw_readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL)
+		return get_ipg_clk();
+	/* Fixme: not handle what about lpm*/
+	podf = __raw_readl(&mxc_ccm->cbcdr);
+	pred1 = (podf & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >>
+		MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET;
+	pred2 = (podf & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >>
+		MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET;
+	podf = (podf & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >>
+		MXC_CCM_CBCDR_PERCLK_PODF_OFFSET;
+
+	return get_periph_clk() / ((pred1 + 1) * (pred2 + 1) * (podf + 1));
+}
+
+/*
+ * Get the rate of uart clk.
+ */
+static u32 get_uart_clk(void)
+{
+	unsigned int freq, reg, pred, podf;
+
+	reg = __raw_readl(&mxc_ccm->cscmr1);
+	switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >>
+		MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) {
+	case 0x0:
+		freq = decode_pll(mxc_plls[PLL1_CLOCK],
+				    CONFIG_SYS_MX5_HCLK);
+		break;
+	case 0x1:
+		freq = decode_pll(mxc_plls[PLL2_CLOCK],
+				    CONFIG_SYS_MX5_HCLK);
+		break;
+	case 0x2:
+		freq = decode_pll(mxc_plls[PLL3_CLOCK],
+				    CONFIG_SYS_MX5_HCLK);
+		break;
+	default:
+		return 66500000;
+	}
+
+	reg = __raw_readl(&mxc_ccm->cscdr1);
+
+	pred = (reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >>
+		MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET;
+
+	podf = (reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >>
+		MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET;
+	freq /= (pred + 1) * (podf + 1);
+
+	return freq;
+}
+
+/*
+ * This function returns the low power audio clock.
+ */
+u32 get_lp_apm(void)
+{
+	u32 ret_val = 0;
+	u32 ccsr = __raw_readl(&mxc_ccm->ccsr);
+
+	if (((ccsr >> 9) & 1) == 0)
+		ret_val = CONFIG_SYS_MX5_HCLK;
+	else
+		ret_val = ((32768 * 1024));
+
+	return ret_val;
+}
+
+/*
+ * get cspi clock rate.
+ */
+u32 imx_get_cspiclk(void)
+{
+	u32 ret_val = 0, pdf, pre_pdf, clk_sel;
+	u32 cscmr1 = __raw_readl(&mxc_ccm->cscmr1);
+	u32 cscdr2 = __raw_readl(&mxc_ccm->cscdr2);
+
+	pre_pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK) \
+			>> MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET;
+	pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK) \
+			>> MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET;
+	clk_sel = (cscmr1 & MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK) \
+			>> MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET;
+
+	switch (clk_sel) {
+	case 0:
+		ret_val = decode_pll(mxc_plls[PLL1_CLOCK],
+					CONFIG_SYS_MX5_HCLK) /
+					((pre_pdf + 1) * (pdf + 1));
+		break;
+	case 1:
+		ret_val = decode_pll(mxc_plls[PLL2_CLOCK],
+					CONFIG_SYS_MX5_HCLK) /
+					((pre_pdf + 1) * (pdf + 1));
+		break;
+	case 2:
+		ret_val = decode_pll(mxc_plls[PLL3_CLOCK],
+					CONFIG_SYS_MX5_HCLK) /
+					((pre_pdf + 1) * (pdf + 1));
+		break;
+	default:
+		ret_val = get_lp_apm() / ((pre_pdf + 1) * (pdf + 1));
+		break;
+	}
+
+	return ret_val;
+}
+
+/*
+ * The API of get mxc clockes.
+ */
+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:
+		return get_ipg_per_clk();
+	case MXC_UART_CLK:
+		return get_uart_clk();
+	case MXC_CSPI_CLK:
+		return imx_get_cspiclk();
+	case MXC_FEC_CLK:
+		return decode_pll(mxc_plls[PLL1_CLOCK],
+				    CONFIG_SYS_MX5_HCLK);
+	default:
+		break;
+	}
+	return -1;
+}
+
+u32 imx_get_uartclk(void)
+{
+	return get_uart_clk();
+}
+
+
+u32 imx_get_fecclk(void)
+{
+	return mxc_get_clock(MXC_IPG_CLK);
+}
+
+/*
+ * Dump some core clockes.
+ */
+int do_mx5_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	u32 freq;
+
+	freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+	printf("pll1: %dMHz\n", freq / 1000000);
+	freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_SYS_MX5_HCLK);
+	printf("pll2: %dMHz\n", freq / 1000000);
+	freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_SYS_MX5_HCLK);
+	printf("pll3: %dMHz\n", freq / 1000000);
+	printf("ipg clock     : %dHz\n", mxc_get_clock(MXC_IPG_CLK));
+	printf("ipg per clock : %dHz\n", mxc_get_clock(MXC_IPG_PERCLK));
+
+	return 0;
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+	clockinfo,	CONFIG_SYS_MAXARGS,	1,	do_mx5_showclocks,
+	"display clocks\n",
+	""
+);
diff --git a/u-boot/arch/arm/cpu/armv7/mx5/iomux.c b/u-boot/arch/arm/cpu/armv7/mx5/iomux.c
new file mode 100644
index 0000000..d4e3bbb
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/mx5/iomux.c
@@ -0,0 +1,186 @@
+/*
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx5x_pins.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sys_proto.h>
+
+/* IOMUX register (base) addresses */
+enum iomux_reg_addr {
+	IOMUXGPR0 = IOMUXC_BASE_ADDR,
+	IOMUXGPR1 = IOMUXC_BASE_ADDR + 0x004,
+	IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR,
+	IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END,
+	IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START,
+	IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + INPUT_CTL_START,
+};
+
+#define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1)
+
+/* Get the iomux register address of this pin */
+static inline u32 get_mux_reg(iomux_pin_name_t pin)
+{
+	u32 mux_reg = PIN_TO_IOMUX_MUX(pin);
+
+#if defined(CONFIG_MX51)
+	if (is_soc_rev(CHIP_REV_2_0) < 0) {
+		/*
+		 * Fixup register address:
+		 * i.MX51 TO1 has offset with the register
+		 * which is define as TO2.
+		 */
+		if ((pin == MX51_PIN_NANDF_RB5) ||
+			(pin == MX51_PIN_NANDF_RB6) ||
+			(pin == MX51_PIN_NANDF_RB7))
+			; /* Do nothing */
+		else if (mux_reg >= 0x2FC)
+			mux_reg += 8;
+		else if (mux_reg >= 0x130)
+			mux_reg += 0xC;
+	}
+#endif
+	mux_reg += IOMUXSW_MUX_CTL;
+	return mux_reg;
+}
+
+/* Get the pad register address of this pin */
+static inline u32 get_pad_reg(iomux_pin_name_t pin)
+{
+	u32 pad_reg = PIN_TO_IOMUX_PAD(pin);
+
+#if defined(CONFIG_MX51)
+	if (is_soc_rev(CHIP_REV_2_0) < 0) {
+		/*
+		 * Fixup register address:
+		 * i.MX51 TO1 has offset with the register
+		 * which is define as TO2.
+		 */
+		if ((pin == MX51_PIN_NANDF_RB5) ||
+			(pin == MX51_PIN_NANDF_RB6) ||
+			(pin == MX51_PIN_NANDF_RB7))
+			; /* Do nothing */
+		else if (pad_reg == 0x4D0 - PAD_I_START)
+			pad_reg += 0x4C;
+		else if (pad_reg == 0x860 - PAD_I_START)
+			pad_reg += 0x9C;
+		else if (pad_reg >= 0x804 - PAD_I_START)
+			pad_reg += 0xB0;
+		else if (pad_reg >= 0x7FC - PAD_I_START)
+			pad_reg += 0xB4;
+		else if (pad_reg >= 0x4E4 - PAD_I_START)
+			pad_reg += 0xCC;
+		else
+			pad_reg += 8;
+	}
+#endif
+	pad_reg += IOMUXSW_PAD_CTL;
+	return pad_reg;
+}
+
+/* Get the last iomux register address */
+static inline u32 get_mux_end(void)
+{
+#if defined(CONFIG_MX51)
+	if (is_soc_rev(CHIP_REV_2_0) < 0)
+		return IOMUXC_BASE_ADDR + (0x3F8 - 4);
+	else
+		return IOMUXC_BASE_ADDR + (0x3F0 - 4);
+#endif
+	return IOMUXSW_MUX_END;
+}
+
+/*
+ * This function is used to configure a pin through the IOMUX module.
+ * @param  pin		a pin number as defined in iomux_pin_name_t
+ * @param  cfg		an output function as defined in iomux_pin_cfg_t
+ *
+ * @return 		0 if successful; Non-zero otherwise
+ */
+static void iomux_config_mux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+	u32 mux_reg = get_mux_reg(pin);
+
+	if ((mux_reg > get_mux_end()) || (mux_reg < IOMUXSW_MUX_CTL))
+		return ;
+	if (cfg == IOMUX_CONFIG_GPIO)
+		writel(PIN_TO_ALT_GPIO(pin), mux_reg);
+	else
+		writel(cfg, mux_reg);
+}
+
+/*
+ * Request ownership for an IO pin. This function has to be the first one
+ * being called before that pin is used. The caller has to check the
+ * return value to make sure it returns 0.
+ *
+ * @param  pin		a name defined by iomux_pin_name_t
+ * @param  cfg		an input function as defined in iomux_pin_cfg_t
+ *
+ */
+void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+	iomux_config_mux(pin, cfg);
+}
+
+/*
+ * Release ownership for an IO pin
+ *
+ * @param  pin		a name defined by iomux_pin_name_t
+ * @param  cfg		an input function as defined in iomux_pin_cfg_t
+ */
+void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+}
+
+/*
+ * This function configures the pad value for a IOMUX pin.
+ *
+ * @param  pin     a pin number as defined in iomux_pin_name_t
+ * @param  config  the ORed value of elements defined in iomux_pad_config_t
+ */
+void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config)
+{
+	u32 pad_reg = get_pad_reg(pin);
+	writel(config, pad_reg);
+}
+
+unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin)
+{
+	u32 pad_reg = get_pad_reg(pin);
+	return readl(pad_reg);
+}
+
+/*
+ * This function configures daisy-chain
+ *
+ * @param input    index of input select register
+ * @param config   the binary value of elements
+ */
+void mxc_iomux_set_input(iomux_input_select_t input, u32 config)
+{
+	u32 reg = IOMUXSW_INPUT_CTL + (input << 2);
+
+	writel(config, reg);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/u-boot/arch/arm/cpu/armv7/mx5/lowlevel_init.S
new file mode 100644
index 0000000..96ebfe2
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/mx5/lowlevel_init.S
@@ -0,0 +1,294 @@
+/*
+ * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/asm-offsets.h>
+
+/*
+ * L2CC Cache setup/invalidation/disable
+ */
+.macro init_l2cc
+	/* explicitly disable L2 cache */
+	mrc 15, 0, r0, c1, c0, 1
+	bic r0, r0, #0x2
+	mcr 15, 0, r0, c1, c0, 1
+
+	/* reconfigure L2 cache aux control reg */
+	mov r0, #0xC0			/* tag RAM */
+	add r0, r0, #0x4		/* data RAM */
+	orr r0, r0, #(1 << 24)		/* disable write allocate delay */
+	orr r0, r0, #(1 << 23)		/* disable write allocate combine */
+	orr r0, r0, #(1 << 22)		/* disable write allocate */
+
+	cmp r3, #0x10    /* r3 contains the silicon rev */
+
+	/* disable write combine for TO 2 and lower revs */
+	orrls r0, r0, #(1 << 25)
+
+	mcr 15, 1, r0, c9, c0, 2
+.endm /* init_l2cc */
+
+/* AIPS setup - Only setup MPROTx registers.
+ * The PACR default values are good.*/
+.macro init_aips
+	/*
+	 * Set all MPROTx to be non-bufferable, trusted for R/W,
+	 * not forced to user-mode.
+	 */
+	ldr r0, =AIPS1_BASE_ADDR
+	ldr r1, =0x77777777
+	str r1, [r0, #0x0]
+	str r1, [r0, #0x4]
+	ldr r0, =AIPS2_BASE_ADDR
+	str r1, [r0, #0x0]
+	str r1, [r0, #0x4]
+	/*
+	 * Clear the on and off peripheral modules Supervisor Protect bit
+	 * for SDMA to access them. Did not change the AIPS control registers
+	 * (offset 0x20) access type
+	 */
+.endm /* init_aips */
+
+/* M4IF setup */
+.macro init_m4if
+#ifdef CONFIG_MX51
+	/* VPU and IPU given higher priority (0x4)
+	 * IPU accesses with ID=0x1 given highest priority (=0xA)
+	 */
+	ldr r0, =M4IF_BASE_ADDR
+
+	ldr r1, =0x00000203
+	str r1, [r0, #0x40]
+
+	ldr r1, =0x0
+	str r1, [r0, #0x44]
+
+	ldr r1, =0x00120125
+	str r1, [r0, #0x9C]
+
+	ldr r1, =0x001901A3
+	str r1, [r0, #0x48]
+
+#endif
+.endm /* init_m4if */
+
+.macro setup_pll pll, freq
+	ldr r0, =\pll
+	ldr r1, =0x00001232
+	str r1, [r0, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */
+	mov r1, #0x2
+	str r1, [r0, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */
+
+	ldr r1, W_DP_OP_\freq
+	str r1, [r0, #PLL_DP_OP]
+	str r1, [r0, #PLL_DP_HFS_OP]
+
+	ldr r1,	W_DP_MFD_\freq
+	str r1, [r0, #PLL_DP_MFD]
+	str r1, [r0, #PLL_DP_HFS_MFD]
+
+	ldr r1,  W_DP_MFN_\freq
+	str r1, [r0, #PLL_DP_MFN]
+	str r1, [r0, #PLL_DP_HFS_MFN]
+
+	ldr r1, =0x00001232
+	str r1, [r0, #PLL_DP_CTL]
+1:	ldr r1, [r0, #PLL_DP_CTL]
+	ands r1, r1, #0x1
+	beq 1b
+.endm
+
+.macro init_clock
+	ldr r0, =CCM_BASE_ADDR
+
+#if defined(CONFIG_MX51)
+	/* Gate of clocks to the peripherals first */
+	ldr r1, =0x3FFFFFFF
+	str r1, [r0, #CLKCTL_CCGR0]
+	ldr r1, =0x0
+	str r1, [r0, #CLKCTL_CCGR1]
+	str r1, [r0, #CLKCTL_CCGR2]
+	str r1, [r0, #CLKCTL_CCGR3]
+
+	ldr r1, =0x00030000
+	str r1, [r0, #CLKCTL_CCGR4]
+	ldr r1, =0x00FFF030
+	str r1, [r0, #CLKCTL_CCGR5]
+	ldr r1, =0x00000300
+	str r1, [r0, #CLKCTL_CCGR6]
+
+	/* Disable IPU and HSC dividers */
+	mov r1, #0x60000
+	str r1, [r0, #CLKCTL_CCDR]
+
+	/* Make sure to switch the DDR away from PLL 1 */
+	ldr r1, =0x19239145
+	str r1, [r0, #CLKCTL_CBCDR]
+	/* make sure divider effective */
+1:	ldr r1, [r0, #CLKCTL_CDHIPR]
+	cmp r1, #0x0
+	bne 1b
+#endif
+
+	/* Switch ARM to step clock */
+	mov r1, #0x4
+	str r1, [r0, #CLKCTL_CCSR]
+
+	setup_pll PLL1_BASE_ADDR, 800
+
+#if defined(CONFIG_MX51)
+	setup_pll PLL3_BASE_ADDR, 665
+
+	/* Switch peripheral to PLL 3 */
+	ldr r0, =CCM_BASE_ADDR
+	ldr r1, =0x000010C0
+	orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+	str r1, [r0, #CLKCTL_CBCMR]
+	ldr r1, =0x13239145
+	str r1, [r0, #CLKCTL_CBCDR]
+	setup_pll PLL2_BASE_ADDR, 665
+
+	/* Switch peripheral to PLL2 */
+	ldr r0, =CCM_BASE_ADDR
+	ldr r1, =0x19239145
+	str r1, [r0, #CLKCTL_CBCDR]
+	ldr r1, =0x000020C0
+	orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+	str r1, [r0, #CLKCTL_CBCMR]
+#endif
+	setup_pll PLL3_BASE_ADDR, 216
+
+	/* Set the platform clock dividers */
+	ldr r0, =ARM_BASE_ADDR
+	ldr r1, =0x00000725
+	str r1, [r0, #0x14]
+
+	ldr r0, =CCM_BASE_ADDR
+
+#if defined(CONFIG_MX51)
+	/* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */
+	ldr r1, =0x0
+	ldr r3, [r1, #ROM_SI_REV]
+	cmp r3, #0x10
+	movls r1, #0x1
+	movhi r1, #0
+#else
+	mov r1, #0
+
+#endif
+	str r1, [r0, #CLKCTL_CACRR]
+	/* Switch ARM back to PLL 1 */
+	mov r1, #0
+	str r1, [r0, #CLKCTL_CCSR]
+
+#if defined(CONFIG_MX51)
+	/* setup the rest */
+	/* Use lp_apm (24MHz) source for perclk */
+	ldr r1, =0x000020C2
+	orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+	str r1, [r0, #CLKCTL_CBCMR]
+	/* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */
+	ldr r1, =CONFIG_SYS_CLKTL_CBCDR
+	str r1, [r0, #CLKCTL_CBCDR]
+#endif
+
+	/* Restore the default values in the Gate registers */
+	ldr r1, =0xFFFFFFFF
+	str r1, [r0, #CLKCTL_CCGR0]
+	str r1, [r0, #CLKCTL_CCGR1]
+	str r1, [r0, #CLKCTL_CCGR2]
+	str r1, [r0, #CLKCTL_CCGR3]
+	str r1, [r0, #CLKCTL_CCGR4]
+	str r1, [r0, #CLKCTL_CCGR5]
+	str r1, [r0, #CLKCTL_CCGR6]
+#if defined(CONFIG_MX53)
+	str r1, [r0, #CLKCTL_CCGR7]
+#endif
+
+#if defined(CONFIG_MX51)
+	/* Use PLL 2 for UART's, get 66.5MHz from it */
+	ldr r1, =0xA5A2A020
+	str r1, [r0, #CLKCTL_CSCMR1]
+	ldr r1, =0x00C30321
+	str r1, [r0, #CLKCTL_CSCDR1]
+#elif defined(CONFIG_MX53)
+	ldr r1, [r0, #CLKCTL_CSCDR1]
+	orr r1, r1, #0x3f
+	eor r1, r1, #0x3f
+	orr r1, r1, #0x21
+	str r1, [r0, #CLKCTL_CSCDR1]
+#endif
+	/* make sure divider effective */
+1:	ldr r1, [r0, #CLKCTL_CDHIPR]
+	cmp r1, #0x0
+	bne 1b
+
+	mov r1, #0x0
+	str r1, [r0, #CLKCTL_CCDR]
+
+	/* for cko - for ARM div by 8 */
+	mov r1, #0x000A0000
+	add r1, r1, #0x00000F0
+	str r1, [r0, #CLKCTL_CCOSR]
+.endm
+
+.macro setup_wdog
+	ldr r0, =WDOG1_BASE_ADDR
+	mov r1, #0x30
+	strh r1, [r0]
+.endm
+
+.section ".text.init", "x"
+
+.globl lowlevel_init
+lowlevel_init:
+#if defined(CONFIG_MX51)
+	ldr r0, =GPIO1_BASE_ADDR
+	ldr r1, [r0, #0x0]
+	orr r1, r1, #(1 << 23)
+	str r1, [r0, #0x0]
+	ldr r1, [r0, #0x4]
+	orr r1, r1, #(1 << 23)
+	str r1, [r0, #0x4]
+#endif
+
+	init_l2cc
+
+	init_aips
+
+	init_m4if
+
+	init_clock
+
+	/* r12 saved upper lr*/
+	mov pc,lr
+
+/* Board level setting value */
+W_DP_OP_800:              .word DP_OP_800
+W_DP_MFD_800:             .word DP_MFD_800
+W_DP_MFN_800:             .word DP_MFN_800
+W_DP_OP_665:              .word DP_OP_665
+W_DP_MFD_665:             .word DP_MFD_665
+W_DP_MFN_665:             .word DP_MFN_665
+W_DP_OP_216:              .word DP_OP_216
+W_DP_MFD_216:             .word DP_MFD_216
+W_DP_MFN_216:             .word DP_MFN_216
diff --git a/u-boot/arch/arm/cpu/armv7/mx5/soc.c b/u-boot/arch/arm/cpu/armv7/mx5/soc.c
new file mode 100644
index 0000000..09500b3
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/mx5/soc.c
@@ -0,0 +1,146 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
+
+#if !(defined(CONFIG_MX51) || defined(CONFIG_MX53))
+#error "CPU_TYPE not defined"
+#endif
+
+u32 get_cpu_rev(void)
+{
+#ifdef CONFIG_MX51
+	int system_rev = 0x51000;
+#else
+	int system_rev = 0x53000;
+#endif
+	int reg = __raw_readl(ROM_SI_REV);
+
+#if defined(CONFIG_MX51)
+	switch (reg) {
+	case 0x02:
+		system_rev |= CHIP_REV_1_1;
+		break;
+	case 0x10:
+		if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
+			system_rev |= CHIP_REV_2_5;
+		else
+			system_rev |= CHIP_REV_2_0;
+		break;
+	case 0x20:
+		system_rev |= CHIP_REV_3_0;
+		break;
+	default:
+		system_rev |= CHIP_REV_1_0;
+		break;
+	}
+#else
+	switch (reg) {
+	case 0x20:
+		system_rev |= CHIP_REV_2_0;
+		break;
+	default:
+		system_rev |= CHIP_REV_1_0;
+		break;
+	}
+#endif
+	return system_rev;
+}
+
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+	u32 cpurev;
+
+	cpurev = get_cpu_rev();
+	printf("CPU:   Freescale i.MX%x family rev%d.%d at %d MHz\n",
+		(cpurev & 0xFF000) >> 12,
+		(cpurev & 0x000F0) >> 4,
+		(cpurev & 0x0000F) >> 0,
+		mxc_get_clock(MXC_ARM_CLK) / 1000000);
+	return 0;
+}
+#endif
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+#if defined(CONFIG_FEC_MXC)
+extern int fecmxc_initialize(bd_t *bis);
+#endif
+
+int cpu_eth_init(bd_t *bis)
+{
+	int rc = -ENODEV;
+
+#if defined(CONFIG_FEC_MXC)
+	rc = fecmxc_initialize(bis);
+#endif
+
+	return rc;
+}
+
+#if defined(CONFIG_FEC_MXC)
+void imx_get_mac_from_fuse(unsigned char *mac)
+{
+	int i;
+	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+	struct fuse_bank *bank = &iim->bank[1];
+	struct fuse_bank1_regs *fuse =
+			(struct fuse_bank1_regs *)bank->fuse_regs;
+
+	for (i = 0; i < 6; i++)
+		mac[i] = readl(&fuse->mac_addr[i]) & 0xff;
+}
+#endif
+
+/*
+ * Initializes on-chip MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init(bd_t *bis)
+{
+#ifdef CONFIG_FSL_ESDHC
+	return fsl_esdhc_mmc_init(bis);
+#else
+	return 0;
+#endif
+}
+
+
+void reset_cpu(ulong addr)
+{
+	__raw_writew(4, WDOG1_BASE_ADDR);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/mx5/speed.c b/u-boot/arch/arm/cpu/armv7/mx5/speed.c
new file mode 100644
index 0000000..2187e8e
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/mx5/speed.c
@@ -0,0 +1,41 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+#ifdef CONFIG_FSL_ESDHC
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
+int get_clocks(void)
+{
+#ifdef CONFIG_FSL_ESDHC
+	gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK);
+#endif
+	return 0;
+}
diff --git a/u-boot/arch/arm/cpu/armv7/mx5/timer.c b/u-boot/arch/arm/cpu/armv7/mx5/timer.c
new file mode 100644
index 0000000..1972f64
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/mx5/timer.c
@@ -0,0 +1,121 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+
+/* General purpose timers registers */
+struct mxc_gpt {
+	unsigned int control;
+	unsigned int prescaler;
+	unsigned int status;
+	unsigned int nouse[6];
+	unsigned int counter;
+};
+
+static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR;
+
+/* 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;
+
+#define timestamp (gd->tbl)
+#define lastinc (gd->lastinc)
+
+int timer_init(void)
+{
+	int i;
+
+	/* setup GP Timer 1 */
+	__raw_writel(GPTCR_SWR, &cur_gpt->control);
+
+	/* We have no udelay by now */
+	for (i = 0; i < 100; i++)
+		__raw_writel(0, &cur_gpt->control);
+
+	__raw_writel(0, &cur_gpt->prescaler); /* 32Khz */
+
+	/* Freerun Mode, PERCLK1 input */
+	i = __raw_readl(&cur_gpt->control);
+	__raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control);
+	reset_timer_masked();
+	return 0;
+}
+
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+void reset_timer_masked(void)
+{
+	ulong val = __raw_readl(&cur_gpt->counter);
+	lastinc = val / (CONFIG_SYS_MX5_CLK32 / CONFIG_SYS_HZ);
+	timestamp = 0;
+}
+
+ulong get_timer_masked(void)
+{
+	ulong val = __raw_readl(&cur_gpt->counter);
+	val /= (CONFIG_SYS_MX5_CLK32 / CONFIG_SYS_HZ);
+	if (val >= lastinc)
+		timestamp += (val - lastinc);
+	else
+		timestamp += ((0xFFFFFFFF / (CONFIG_SYS_MX5_CLK32 / CONFIG_SYS_HZ))
+				- lastinc) + val;
+	lastinc = val;
+	return timestamp;
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+	timestamp = t;
+}
+
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay(unsigned long usec)
+{
+	unsigned long now, start, tmo;
+	tmo = usec * (CONFIG_SYS_MX5_CLK32 / 1000) / 1000;
+
+	if (!tmo)
+		tmo = 1;
+
+	now = start = readl(&cur_gpt->counter);
+
+	while ((now - start) < tmo)
+		now = readl(&cur_gpt->counter);
+
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap-common/Makefile b/u-boot/arch/arm/cpu/armv7/omap-common/Makefile
new file mode 100644
index 0000000..dc01ee5
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap-common/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)libomap-common.o
+
+SOBJS	:= reset.o
+
+COBJS	:= timer.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/omap-common/config.mk b/u-boot/arch/arm/cpu/armv7/omap-common/config.mk
new file mode 100644
index 0000000..49ac9c7
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap-common/config.mk
@@ -0,0 +1,33 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v7a.
+PLATFORM_CPPFLAGS += -march=armv5
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
+		    $(call cc-option,-malignment-traps,))
diff --git a/u-boot/arch/arm/cpu/armv7/omap-common/reset.S b/u-boot/arch/arm/cpu/armv7/omap-common/reset.S
new file mode 100644
index 0000000..838b122
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap-common/reset.S
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+
+.global reset_cpu
+reset_cpu:
+	ldr	r1, rstctl			@ get addr for global reset
+						@ reg
+	ldr	r3, rstbit			@ sw reset bit
+	str	r3, [r1]			@ force reset
+	mov	r0, r0
+_loop_forever:
+	b	_loop_forever
+rstctl:
+	.word	PRM_RSTCTRL
+rstbit:
+	.word	PRM_RSTCTRL_RESET
diff --git a/u-boot/arch/arm/cpu/armv7/omap-common/timer.c b/u-boot/arch/arm/cpu/armv7/omap-common/timer.c
new file mode 100644
index 0000000..9beebb1
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap-common/timer.c
@@ -0,0 +1,134 @@
+/*
+ * (C) Copyright 2008
+ * Texas Instruments
+ *
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Moahmmed Khasim <khasim@ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
+
+/*
+ * Nothing really to do with interrupts, just starts up a counter.
+ */
+
+#define TIMER_CLOCK	(V_SCLK / (2 << CONFIG_SYS_PTV))
+#define TIMER_LOAD_VAL	0xffffffff
+
+int timer_init(void)
+{
+	/* start the counter ticking up, reload value on overflow */
+	writel(TIMER_LOAD_VAL, &timer_base->tldr);
+	/* enable timer */
+	writel((CONFIG_SYS_PTV << 2) | TCLR_PRE | TCLR_AR | TCLR_ST,
+		&timer_base->tclr);
+
+	reset_timer_masked();	/* init the timestamp and lastinc value */
+
+	return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+	gd->tbl = t;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+	long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
+	unsigned long now, last = readl(&timer_base->tcrr);
+
+	while (tmo > 0) {
+		now = readl(&timer_base->tcrr);
+		if (last > now) /* count up timer overflow */
+			tmo -= TIMER_LOAD_VAL - last + now;
+		else
+			tmo -= now - last;
+		last = now;
+	}
+}
+
+void reset_timer_masked(void)
+{
+	/* reset time, capture current incrementer value time */
+	gd->lastinc = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
+	gd->tbl = 0;		/* start "advancing" time stamp from 0 */
+}
+
+ulong get_timer_masked(void)
+{
+	/* current tick value */
+	ulong now = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
+
+	if (now >= gd->lastinc)	/* normal mode (non roll) */
+		/* move stamp fordward with absoulte diff ticks */
+		gd->tbl += (now - gd->lastinc);
+	else	/* we have rollover of incrementer */
+		gd->tbl += ((TIMER_LOAD_VAL / (TIMER_CLOCK / CONFIG_SYS_HZ))
+			     - gd->lastinc) + now;
+	gd->lastinc = now;
+	return gd->tbl;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+/*
+ * 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 CONFIG_SYS_HZ;
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/Makefile b/u-boot/arch/arm/cpu/armv7/omap3/Makefile
new file mode 100644
index 0000000..7164d50
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/Makefile
@@ -0,0 +1,55 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	=  $(obj)lib$(SOC).o
+
+SOBJS	:= lowlevel_init.o
+SOBJS	+= cache.o
+
+COBJS	+= board.o
+COBJS	+= clock.o
+COBJS	+= gpio.o
+COBJS	+= mem.o
+COBJS	+= sys_info.o
+
+COBJS-$(CONFIG_EMIF4)	+= emif4.o
+COBJS-$(CONFIG_SDRC)	+= sdrc.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
+
+all:	 $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/board.c b/u-boot/arch/arm/cpu/armv7/omap3/board.c
new file mode 100644
index 0000000..6c2a132
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/board.c
@@ -0,0 +1,294 @@
+/*
+ *
+ * Common board functions for OMAP3 based boards.
+ *
+ * (C) Copyright 2004-2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *      Sunil Kumar <sunilsaini05@gmail.com>
+ *      Shashi Ranjan <shashiranjanmca05@gmail.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ *      Richard Woodruff <r-woodruff2@ti.com>
+ *      Syed Mohammed Khasim <khasim@ti.com>
+ *
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mem.h>
+#include <asm/cache.h>
+
+extern omap3_sysinfo sysinfo;
+
+/******************************************************************************
+ * Routine: delay
+ * Description: spinning delay to use before udelay works
+ *****************************************************************************/
+static inline void delay(unsigned long loops)
+{
+	__asm__ volatile ("1:\n" "subs %0, %1, #1\n"
+			  "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/******************************************************************************
+ * Routine: secure_unlock
+ * Description: Setup security registers for access
+ *              (GP Device only)
+ *****************************************************************************/
+void secure_unlock_mem(void)
+{
+	struct pm *pm_rt_ape_base = (struct pm *)PM_RT_APE_BASE_ADDR_ARM;
+	struct pm *pm_gpmc_base = (struct pm *)PM_GPMC_BASE_ADDR_ARM;
+	struct pm *pm_ocm_ram_base = (struct pm *)PM_OCM_RAM_BASE_ADDR_ARM;
+	struct pm *pm_iva2_base = (struct pm *)PM_IVA2_BASE_ADDR_ARM;
+	struct sms *sms_base = (struct sms *)OMAP34XX_SMS_BASE;
+
+	/* Protection Module Register Target APE (PM_RT) */
+	writel(UNLOCK_1, &pm_rt_ape_base->req_info_permission_1);
+	writel(UNLOCK_1, &pm_rt_ape_base->read_permission_0);
+	writel(UNLOCK_1, &pm_rt_ape_base->wirte_permission_0);
+	writel(UNLOCK_2, &pm_rt_ape_base->addr_match_1);
+
+	writel(UNLOCK_3, &pm_gpmc_base->req_info_permission_0);
+	writel(UNLOCK_3, &pm_gpmc_base->read_permission_0);
+	writel(UNLOCK_3, &pm_gpmc_base->wirte_permission_0);
+
+	writel(UNLOCK_3, &pm_ocm_ram_base->req_info_permission_0);
+	writel(UNLOCK_3, &pm_ocm_ram_base->read_permission_0);
+	writel(UNLOCK_3, &pm_ocm_ram_base->wirte_permission_0);
+	writel(UNLOCK_2, &pm_ocm_ram_base->addr_match_2);
+
+	/* IVA Changes */
+	writel(UNLOCK_3, &pm_iva2_base->req_info_permission_0);
+	writel(UNLOCK_3, &pm_iva2_base->read_permission_0);
+	writel(UNLOCK_3, &pm_iva2_base->wirte_permission_0);
+
+	/* SDRC region 0 public */
+	writel(UNLOCK_1, &sms_base->rg_att0);
+}
+
+/******************************************************************************
+ * Routine: secureworld_exit()
+ * Description: If chip is EMU and boot type is external
+ *		configure secure registers and exit secure world
+ *              general use.
+ *****************************************************************************/
+void secureworld_exit()
+{
+	unsigned long i;
+
+	/* configrue non-secure access control register */
+	__asm__ __volatile__("mrc p15, 0, %0, c1, c1, 2":"=r"(i));
+	/* enabling co-processor CP10 and CP11 accesses in NS world */
+	__asm__ __volatile__("orr %0, %0, #0xC00":"=r"(i));
+	/*
+	 * allow allocation of locked TLBs and L2 lines in NS world
+	 * allow use of PLE registers in NS world also
+	 */
+	__asm__ __volatile__("orr %0, %0, #0x70000":"=r"(i));
+	__asm__ __volatile__("mcr p15, 0, %0, c1, c1, 2":"=r"(i));
+
+	/* Enable ASA in ACR register */
+	__asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
+	__asm__ __volatile__("orr %0, %0, #0x10":"=r"(i));
+	__asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
+
+	/* Exiting secure world */
+	__asm__ __volatile__("mrc p15, 0, %0, c1, c1, 0":"=r"(i));
+	__asm__ __volatile__("orr %0, %0, #0x31":"=r"(i));
+	__asm__ __volatile__("mcr p15, 0, %0, c1, c1, 0":"=r"(i));
+}
+
+/******************************************************************************
+ * Routine: try_unlock_sram()
+ * Description: If chip is GP/EMU(special) type, unlock the SRAM for
+ *              general use.
+ *****************************************************************************/
+void try_unlock_memory()
+{
+	int mode;
+	int in_sdram = is_running_in_sdram();
+
+	/*
+	 * if GP device unlock device SRAM for general use
+	 * secure code breaks for Secure/Emulation device - HS/E/T
+	 */
+	mode = get_device_type();
+	if (mode == GP_DEVICE)
+		secure_unlock_mem();
+
+	/*
+	 * If device is EMU and boot is XIP external booting
+	 * Unlock firewalls and disable L2 and put chip
+	 * out of secure world
+	 *
+	 * Assuming memories are unlocked by the demon who put us in SDRAM
+	 */
+	if ((mode <= EMU_DEVICE) && (get_boot_type() == 0x1F)
+	    && (!in_sdram)) {
+		secure_unlock_mem();
+		secureworld_exit();
+	}
+
+	return;
+}
+
+/******************************************************************************
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ *              - Called path is with SRAM stack.
+ *****************************************************************************/
+void s_init(void)
+{
+	int in_sdram = is_running_in_sdram();
+
+	watchdog_init();
+
+	try_unlock_memory();
+
+	/*
+	 * Right now flushing at low MPU speed.
+	 * Need to move after clock init
+	 */
+	invalidate_dcache(get_device_type());
+#ifndef CONFIG_ICACHE_OFF
+	icache_enable();
+#endif
+
+#ifdef CONFIG_L2_OFF
+	l2_cache_disable();
+#else
+	l2_cache_enable();
+#endif
+	/*
+	 * Writing to AuxCR in U-boot using SMI for GP DEV
+	 * Currently SMI in Kernel on ES2 devices seems to have an issue
+	 * Once that is resolved, we can postpone this config to kernel
+	 */
+	if (get_device_type() == GP_DEVICE)
+		setup_auxcr();
+
+	set_muxconf_regs();
+	delay(100);
+
+	prcm_init();
+
+	per_clocks_enable();
+
+	if (!in_sdram)
+		mem_init();
+}
+
+/******************************************************************************
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ *****************************************************************************/
+void wait_for_command_complete(struct watchdog *wd_base)
+{
+	int pending = 1;
+	do {
+		pending = readl(&wd_base->wwps);
+	} while (pending);
+}
+
+/******************************************************************************
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ *****************************************************************************/
+void watchdog_init(void)
+{
+	struct watchdog *wd2_base = (struct watchdog *)WD2_BASE;
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
+	/*
+	 * There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
+	 * either taken care of by ROM (HS/EMU) or not accessible (GP).
+	 * We need to take care of WD2-MPU or take a PRCM reset. WD3
+	 * should not be running and does not generate a PRCM reset.
+	 */
+
+	sr32(&prcm_base->fclken_wkup, 5, 1, 1);
+	sr32(&prcm_base->iclken_wkup, 5, 1, 1);
+	wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
+
+	writel(WD_UNLOCK1, &wd2_base->wspr);
+	wait_for_command_complete(wd2_base);
+	writel(WD_UNLOCK2, &wd2_base->wspr);
+}
+
+/******************************************************************************
+ * Dummy function to handle errors for EABI incompatibility
+ *****************************************************************************/
+void abort(void)
+{
+}
+
+#ifdef CONFIG_NAND_OMAP_GPMC
+/******************************************************************************
+ * OMAP3 specific command to switch between NAND HW and SW ecc
+ *****************************************************************************/
+static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+{
+	if (argc != 2)
+		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
+		goto usage;
+
+	return 0;
+
+usage:
+	printf ("Usage: nandecc %s\n", cmdtp->usage);
+	return 1;
+}
+
+U_BOOT_CMD(
+	nandecc, 2, 1,	do_switch_ecc,
+	"switch OMAP3 NAND ECC calculation algorithm",
+	"[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
+);
+
+#endif /* CONFIG_NAND_OMAP_GPMC */
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+/**
+ * Print board information
+ */
+int checkboard (void)
+{
+	char *mem_s ;
+
+	if (is_mem_sdr())
+		mem_s = "mSDR";
+	else
+		mem_s = "LPDDR";
+
+	printf("%s + %s/%s\n", sysinfo.board_string, mem_s,
+			sysinfo.nand_string);
+
+	return 0;
+}
+#endif	/* CONFIG_DISPLAY_BOARDINFO */
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/cache.S b/u-boot/arch/arm/cpu/armv7/omap3/cache.S
new file mode 100644
index 0000000..cda87ba
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/cache.S
@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 2009 Wind River Systems, Inc.
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This file is based on and replaces the existing cache.c file
+ * The copyrights for the cache.c file are:
+ *
+ * (C) Copyright 2008 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, <gj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/omap3.h>
+
+/*
+ * omap3 cache code
+ */
+
+.align 5
+.global invalidate_dcache
+.global l2_cache_enable
+.global l2_cache_disable
+.global setup_auxcr
+
+/*
+ *	invalidate_dcache()
+ *
+ *	Invalidate the whole D-cache.
+ *
+ *	Corrupted registers: r0-r5, r7, r9-r11
+ *
+ *	- mm	- mm_struct describing address space
+ */
+invalidate_dcache:
+	stmfd	r13!, {r0 - r5, r7, r9 - r12, r14}
+
+	mov	r7, r0				@ take a backup of device type
+	cmp	r0, #0x3			@ check if the device type is
+						@ GP
+	moveq r12, #0x1				@ set up to invalide L2
+smi:	.word 0x01600070			@ Call SMI monitor (smieq)
+	cmp	r7, #0x3			@ compare again in case its
+						@ lost
+	beq	finished_inval			@ if GP device, inval done
+						@ above
+
+	mrc	p15, 1, r0, c0, c0, 1		@ read clidr
+	ands	r3, r0, #0x7000000		@ extract loc from clidr
+	mov	r3, r3, lsr #23			@ left align loc bit field
+	beq	finished_inval			@ if loc is 0, then no need to
+						@ clean
+	mov	r10, #0				@ start clean at cache level 0
+inval_loop1:
+	add	r2, r10, r10, lsr #1		@ work out 3x current cache
+						@ level
+	mov	r1, r0, lsr r2			@ extract cache type bits from
+						@ clidr
+	and	r1, r1, #7			@ mask of the bits for current
+						@ cache only
+	cmp	r1, #2				@ see what cache we have at
+						@ this level
+	blt	skip_inval			@ skip if no cache, or just
+						@ i-cache
+	mcr	p15, 2, r10, c0, c0, 0		@ select current cache level
+						@ in cssr
+	mov	r2, #0				@ operand for mcr SBZ
+	mcr	p15, 0, r2, c7, c5, 4		@ flush prefetch buffer to
+						@ sych the new cssr&csidr,
+						@ with armv7 this is 'isb',
+						@ but we compile with armv5
+	mrc	p15, 1, r1, c0, c0, 0		@ read the new csidr
+	and	r2, r1, #7			@ extract the length of the
+						@ cache lines
+	add	r2, r2, #4			@ add 4 (line length offset)
+	ldr	r4, =0x3ff
+	ands	r4, r4, r1, lsr #3		@ find maximum number on the
+						@ way size
+	clz	r5, r4				@ find bit position of way
+						@ size increment
+	ldr	r7, =0x7fff
+	ands	r7, r7, r1, lsr #13		@ extract max number of the
+						@ index size
+inval_loop2:
+	mov	r9, r4				@ create working copy of max
+						@ way size
+inval_loop3:
+	orr	r11, r10, r9, lsl r5		@ factor way and cache number
+						@ into r11
+	orr	r11, r11, r7, lsl r2		@ factor index number into r11
+	mcr	p15, 0, r11, c7, c6, 2		@ invalidate by set/way
+	subs	r9, r9, #1			@ decrement the way
+	bge	inval_loop3
+	subs	r7, r7, #1			@ decrement the index
+	bge	inval_loop2
+skip_inval:
+	add	r10, r10, #2			@ increment cache number
+	cmp	r3, r10
+	bgt	inval_loop1
+finished_inval:
+	mov	r10, #0				@ swith back to cache level 0
+	mcr	p15, 2, r10, c0, c0, 0		@ select current cache level
+						@ in cssr
+	mcr	p15, 0, r10, c7, c5, 4		@ flush prefetch buffer,
+						@ with armv7 this is 'isb',
+						@ but we compile with armv5
+
+	ldmfd	r13!, {r0 - r5, r7, r9 - r12, pc}
+
+l2_cache_set:
+	stmfd	r13!, {r4 - r6, lr}
+	mov	r5,  r0
+	bl	get_cpu_rev
+	mov	r4,  r0
+	bl	get_cpu_family
+	@ ES2 onwards we can disable/enable L2 ourselves
+	cmp	r0,  #CPU_OMAP34XX
+	cmpeq	r4,  #CPU_3XX_ES10
+	mrc	15, 0, r0, cr1, cr0, 1
+	bic	r0, r0, #2
+	orr	r0, r0, r5, lsl #1
+	mcreq	15, 0, r0, cr1, cr0, 1
+	@ GP Device ROM code API usage here
+	@ r12 = AUXCR Write function and r0 value
+	mov	ip, #3
+	@ SMCNE instruction to call ROM Code API
+	.word	0x11600070
+	ldmfd	r13!, {r4 - r6, pc}
+
+l2_cache_enable:
+	mov	r0, #1
+	b	l2_cache_set
+
+l2_cache_disable:
+	mov	r0, #0
+	b	l2_cache_set
+
+/******************************************************************************
+ * Routine: setup_auxcr()
+ * Description: Write to AuxCR desired value using SMI.
+ *              general use.
+ *****************************************************************************/
+setup_auxcr:
+	mrc	p15, 0, r0, c0, c0, 0		@ read main ID register
+	and	r2, r0, #0x00f00000		@ variant
+	and	r3, r0, #0x0000000f		@ revision
+	orr	r1, r3, r2, lsr #20-4		@ combine variant and revision
+	mov	r12, #0x3
+	mrc	p15, 0, r0, c1, c0, 1
+	orr	r0, r0, #0x10			@ Enable ASA
+	@ Enable L1NEON on pre-r2p1 (erratum 621766 workaround)
+	cmp	r1, #0x21
+	orrlt	r0, r0, #1 << 5
+	.word 0xE1600070			@ SMC
+	mov	r12, #0x2
+	mrc	p15, 1, r0, c9, c0, 2
+	@ Set PLD_FWD bit in L2AUXCR on pre-r2p1 (erratum 725233 workaround)
+	cmp	r1, #0x21
+	orrlt	r0, r0, #1 << 27
+	.word 0xE1600070			@ SMC
+	bx	lr
+
+.align 5
+.global v7_flush_dcache_all
+.global v7_flush_cache_all
+
+/*
+ *	v7_flush_dcache_all()
+ *
+ *	Flush the whole D-cache.
+ *
+ *	Corrupted registers: r0-r7, r9-r11 (r6 only in Thumb mode)
+ *
+ *	- mm    - mm_struct describing address space
+ */
+v7_flush_dcache_all:
+#	dmb					@ ensure ordering with previous memory accesses
+	mrc	p15, 1, r0, c0, c0, 1		@ read clidr
+	ands	r3, r0, #0x7000000		@ extract loc from clidr
+	mov	r3, r3, lsr #23			@ left align loc bit field
+	beq	finished			@ if loc is 0, then no need to clean
+	mov	r10, #0				@ start clean at cache level 0
+loop1:
+	add	r2, r10, r10, lsr #1		@ work out 3x current cache level
+	mov	r1, r0, lsr r2			@ extract cache type bits from clidr
+	and	r1, r1, #7			@ mask of the bits for current cache only
+	cmp	r1, #2				@ see what cache we have at this level
+	blt	skip				@ skip if no cache, or just i-cache
+	mcr	p15, 2, r10, c0, c0, 0		@ select current cache level in cssr
+	mcr	p15, 0, r10, c7, c5, 4		@ flush prefetch buffer,
+						@ with armv7 this is 'isb',
+						@ but we compile with armv5
+	mrc	p15, 1, r1, c0, c0, 0		@ read the new csidr
+	and	r2, r1, #7			@ extract the length of the cache lines
+	add	r2, r2, #4			@ add 4 (line length offset)
+	ldr	r4, =0x3ff
+	ands	r4, r4, r1, lsr #3		@ find maximum number on the way size
+	clz	r5, r4				@ find bit position of way size increment
+	ldr	r7, =0x7fff
+	ands	r7, r7, r1, lsr #13		@ extract max number of the index size
+loop2:
+	mov	r9, r4				@ create working copy of max way size
+loop3:
+	orr	r11, r10, r9, lsl r5		@ factor way and cache number into r11
+	orr	r11, r11, r7, lsl r2		@ factor index number into r11
+	mcr	p15, 0, r11, c7, c14, 2		@ clean & invalidate by set/way
+	subs	r9, r9, #1			@ decrement the way
+	bge	loop3
+	subs	r7, r7, #1			@ decrement the index
+	bge	loop2
+skip:
+	add	r10, r10, #2			@ increment cache number
+	cmp	r3, r10
+	bgt	loop1
+finished:
+	mov	r10, #0				@ swith back to cache level 0
+	mcr	p15, 2, r10, c0, c0, 0		@ select current cache level in cssr
+#	dsb
+	mcr	p15, 0, r10, c7, c5, 4		@ flush prefetch buffer,
+						@ with armv7 this is 'isb',
+						@ but we compile with armv5
+	mov	pc, lr
+
+/*
+ *	v7_flush_cache_all()
+ *
+ *	Flush the entire cache system.
+ *  The data cache flush is now achieved using atomic clean / invalidates
+ *  working outwards from L1 cache. This is done using Set/Way based cache
+ *  maintainance instructions.
+ *  The instruction cache can still be invalidated back to the point of
+ *  unification in a single instruction.
+ *
+ */
+v7_flush_cache_all:
+	stmfd	sp!, {r0-r7, r9-r11, lr}
+	bl	v7_flush_dcache_all
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c5, 0		@ I+BTB cache invalidate
+	ldmfd	sp!, {r0-r7, r9-r11, lr}
+	mov	pc, lr
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/clock.c b/u-boot/arch/arm/cpu/armv7/omap3/clock.c
new file mode 100644
index 0000000..cf533ac
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/clock.c
@@ -0,0 +1,674 @@
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *      Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Derived from Beagle Board and OMAP3 SDP code by
+ *      Richard Woodruff <r-woodruff2@ti.com>
+ *      Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/clocks_omap3.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <environment.h>
+#include <command.h>
+
+/******************************************************************************
+ * get_sys_clk_speed() - determine reference oscillator speed
+ *                       based on known 32kHz clock and gptimer.
+ *****************************************************************************/
+u32 get_osc_clk_speed(void)
+{
+	u32 start, cstart, cend, cdiff, cdiv, val;
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	struct prm *prm_base = (struct prm *)PRM_BASE;
+	struct gptimer *gpt1_base = (struct gptimer *)OMAP34XX_GPT1;
+	struct s32ktimer *s32k_base = (struct s32ktimer *)SYNC_32KTIMER_BASE;
+
+	val = readl(&prm_base->clksrc_ctrl);
+
+	if (val & SYSCLKDIV_2)
+		cdiv = 2;
+	else
+		cdiv = 1;
+
+	/* enable timer2 */
+	val = readl(&prcm_base->clksel_wkup) | CLKSEL_GPT1;
+
+	/* select sys_clk for GPT1 */
+	writel(val, &prcm_base->clksel_wkup);
+
+	/* Enable I and F Clocks for GPT1 */
+	val = readl(&prcm_base->iclken_wkup) | EN_GPT1 | EN_32KSYNC;
+	writel(val, &prcm_base->iclken_wkup);
+
+	val = readl(&prcm_base->fclken_wkup) | EN_GPT1;
+	writel(val, &prcm_base->fclken_wkup);
+
+	writel(0, &gpt1_base->tldr);		/* start counting at 0 */
+	writel(GPT_EN, &gpt1_base->tclr);	/* enable clock */
+
+	/* enable 32kHz source, determine sys_clk via gauging */
+
+	/* start time in 20 cycles */
+	start = 20 + readl(&s32k_base->s32k_cr);
+
+	/* dead loop till start time */
+	while (readl(&s32k_base->s32k_cr) < start);
+
+	/* get start sys_clk count */
+	cstart = readl(&gpt1_base->tcrr);
+
+	/* wait for 40 cycles */
+	while (readl(&s32k_base->s32k_cr) < (start + 20)) ;
+	cend = readl(&gpt1_base->tcrr);		/* get end sys_clk count */
+	cdiff = cend - cstart;			/* get elapsed ticks */
+	cdiff *= cdiv;
+
+	/* based on number of ticks assign speed */
+	if (cdiff > 19000)
+		return S38_4M;
+	else if (cdiff > 15200)
+		return S26M;
+	else if (cdiff > 13000)
+		return S24M;
+	else if (cdiff > 9000)
+		return S19_2M;
+	else if (cdiff > 7600)
+		return S13M;
+	else
+		return S12M;
+}
+
+/******************************************************************************
+ * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
+ *                       input oscillator clock frequency.
+ *****************************************************************************/
+void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
+{
+	switch(osc_clk) {
+	case S38_4M:
+		*sys_clkin_sel = 4;
+		break;
+	case S26M:
+		*sys_clkin_sel = 3;
+		break;
+	case S19_2M:
+		*sys_clkin_sel = 2;
+		break;
+	case S13M:
+		*sys_clkin_sel = 1;
+		break;
+	case S12M:
+	default:
+		*sys_clkin_sel = 0;
+	}
+}
+
+/*
+ * OMAP34XX/35XX specific functions
+ */
+
+static void dpll3_init_34xx(u32 sil_index, u32 clk_index)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	dpll_param *ptr = (dpll_param *) get_core_dpll_param();
+	void (*f_lock_pll) (u32, u32, u32, u32);
+	int xip_safe, p0, p1, p2, p3;
+
+	xip_safe = is_running_in_sram();
+
+	/* Moving to the right sysclk and ES rev base */
+	ptr = ptr + (3 * clk_index) + sil_index;
+
+	if (xip_safe) {
+		/*
+		 * CORE DPLL
+		 * sr32(CM_CLKSEL2_EMU) set override to work when asleep
+		 */
+		sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS);
+		wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen,
+				LDELAY);
+
+		/*
+		 * For OMAP3 ES1.0 Errata 1.50, default value directly doesn't
+		 * work. write another value and then default value.
+		 */
+
+		/* CM_CLKSEL1_EMU[DIV_DPLL3] */
+		sr32(&prcm_base->clksel1_emu, 16, 5, (CORE_M3X2 + 1)) ;
+		sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2);
+
+		/* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */
+		sr32(&prcm_base->clksel1_pll, 27, 5, ptr->m2);
+
+		/* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */
+		sr32(&prcm_base->clksel1_pll, 16, 11, ptr->m);
+
+		/* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */
+		sr32(&prcm_base->clksel1_pll, 8, 7, ptr->n);
+
+		/* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */
+		sr32(&prcm_base->clksel1_pll, 6, 1, 0);
+
+		/* SSI */
+		sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV);
+		/* FSUSB */
+		sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV);
+		/* L4 */
+		sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV);
+		/* L3 */
+		sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV);
+		/* GFX */
+		sr32(&prcm_base->clksel_gfx,  0, 3, GFX_DIV);
+		/* RESET MGR */
+		sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM);
+		/* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */
+		sr32(&prcm_base->clken_pll,   4, 4, ptr->fsel);
+		/* LOCK MODE */
+		sr32(&prcm_base->clken_pll,   0, 3, PLL_LOCK);
+
+		wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen,
+				LDELAY);
+	} else if (is_running_in_flash()) {
+		/*
+		 * if running from flash, jump to small relocated code
+		 * area in SRAM.
+		 */
+		f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start +
+				SRAM_VECT_CODE);
+
+		p0 = readl(&prcm_base->clken_pll);
+		sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS);
+		/* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */
+		sr32(&p0, 4, 4, ptr->fsel);
+
+		p1 = readl(&prcm_base->clksel1_pll);
+		/* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */
+		sr32(&p1, 27, 5, ptr->m2);
+		/* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */
+		sr32(&p1, 16, 11, ptr->m);
+		/* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */
+		sr32(&p1, 8, 7, ptr->n);
+		/* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */
+		sr32(&p1, 6, 1, 0);
+
+		p2 = readl(&prcm_base->clksel_core);
+		/* SSI */
+		sr32(&p2, 8, 4, CORE_SSI_DIV);
+		/* FSUSB */
+		sr32(&p2, 4, 2, CORE_FUSB_DIV);
+		/* L4 */
+		sr32(&p2, 2, 2, CORE_L4_DIV);
+		/* L3 */
+		sr32(&p2, 0, 2, CORE_L3_DIV);
+
+		p3 = (u32)&prcm_base->idlest_ckgen;
+
+		(*f_lock_pll) (p0, p1, p2, p3);
+	}
+}
+
+static void dpll4_init_34xx(u32 sil_index, u32 clk_index)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	dpll_param *ptr = (dpll_param *) get_per_dpll_param();
+
+	/* Moving it to the right sysclk base */
+	ptr = ptr + clk_index;
+
+	/* EN_PERIPH_DPLL: CM_CLKEN_PLL[16:18] */
+	sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP);
+	wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
+
+	/*
+	 * Errata 1.50 Workaround for OMAP3 ES1.0 only
+	 * If using default divisors, write default divisor + 1
+	 * and then the actual divisor value
+	 */
+	/* M6 */
+	sr32(&prcm_base->clksel1_emu, 24, 5, (PER_M6X2 + 1));
+	sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2);
+	/* M5 */
+	sr32(&prcm_base->clksel_cam, 0, 5, (PER_M5X2 + 1));
+	sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2);
+	/* M4 */
+	sr32(&prcm_base->clksel_dss, 0, 5, (PER_M4X2 + 1));
+	sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2);
+	/* M3 */
+	sr32(&prcm_base->clksel_dss, 8, 5, (PER_M3X2 + 1));
+	sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2);
+	/* M2 (DIV_96M): CM_CLKSEL3_PLL[0:4] */
+	sr32(&prcm_base->clksel3_pll, 0, 5, (ptr->m2 + 1));
+	sr32(&prcm_base->clksel3_pll, 0, 5, ptr->m2);
+	/* Workaround end */
+
+	/* M (PERIPH_DPLL_MULT): CM_CLKSEL2_PLL[8:18] */
+	sr32(&prcm_base->clksel2_pll, 8, 11, ptr->m);
+
+	/* N (PERIPH_DPLL_DIV): CM_CLKSEL2_PLL[0:6] */
+	sr32(&prcm_base->clksel2_pll, 0, 7, ptr->n);
+
+	/* FREQSEL (PERIPH_DPLL_FREQSEL): CM_CLKEN_PLL[20:23] */
+	sr32(&prcm_base->clken_pll, 20, 4, ptr->fsel);
+
+	/* LOCK MODE (EN_PERIPH_DPLL): CM_CLKEN_PLL[16:18] */
+	sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK);
+	wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY);
+}
+
+static void mpu_init_34xx(u32 sil_index, u32 clk_index)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	dpll_param *ptr = (dpll_param *) get_mpu_dpll_param();
+
+	/* Moving to the right sysclk and ES rev base */
+	ptr = ptr + (3 * clk_index) + sil_index;
+
+	/* MPU DPLL (unlocked already) */
+
+	/* M2 (MPU_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_MPU[0:4] */
+	sr32(&prcm_base->clksel2_pll_mpu, 0, 5, ptr->m2);
+
+	/* M (MPU_DPLL_MULT) : CM_CLKSEL2_PLL_MPU[8:18] */
+	sr32(&prcm_base->clksel1_pll_mpu, 8, 11, ptr->m);
+
+	/* N (MPU_DPLL_DIV) : CM_CLKSEL2_PLL_MPU[0:6] */
+	sr32(&prcm_base->clksel1_pll_mpu, 0, 7, ptr->n);
+
+	/* FREQSEL (MPU_DPLL_FREQSEL) : CM_CLKEN_PLL_MPU[4:7] */
+	sr32(&prcm_base->clken_pll_mpu, 4, 4, ptr->fsel);
+}
+
+static void iva_init_34xx(u32 sil_index, u32 clk_index)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	dpll_param *ptr = (dpll_param *) get_iva_dpll_param();
+
+	/* Moving to the right sysclk and ES rev base */
+	ptr = ptr + (3 * clk_index) + sil_index;
+
+	/* IVA DPLL */
+	/* EN_IVA2_DPLL : CM_CLKEN_PLL_IVA2[0:2] */
+	sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP);
+	wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
+
+	/* M2 (IVA2_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_IVA2[0:4] */
+	sr32(&prcm_base->clksel2_pll_iva2, 0, 5, ptr->m2);
+
+	/* M (IVA2_DPLL_MULT) : CM_CLKSEL1_PLL_IVA2[8:18] */
+	sr32(&prcm_base->clksel1_pll_iva2, 8, 11, ptr->m);
+
+	/* N (IVA2_DPLL_DIV) : CM_CLKSEL1_PLL_IVA2[0:6] */
+	sr32(&prcm_base->clksel1_pll_iva2, 0, 7, ptr->n);
+
+	/* FREQSEL (IVA2_DPLL_FREQSEL) : CM_CLKEN_PLL_IVA2[4:7] */
+	sr32(&prcm_base->clken_pll_iva2, 4, 4, ptr->fsel);
+
+	/* LOCK MODE (EN_IVA2_DPLL) : CM_CLKEN_PLL_IVA2[0:2] */
+	sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK);
+
+	wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY);
+}
+
+/*
+ * OMAP3630 specific functions
+ */
+
+static void dpll3_init_36xx(u32 sil_index, u32 clk_index)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	dpll_param *ptr = (dpll_param *) get_36x_core_dpll_param();
+	void (*f_lock_pll) (u32, u32, u32, u32);
+	int xip_safe, p0, p1, p2, p3;
+
+	xip_safe = is_running_in_sram();
+
+	/* Moving it to the right sysclk base */
+	ptr += clk_index;
+
+	if (xip_safe) {
+		/* CORE DPLL */
+
+		/* Select relock bypass: CM_CLKEN_PLL[0:2] */
+		sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS);
+		wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen,
+				LDELAY);
+
+		/* CM_CLKSEL1_EMU[DIV_DPLL3] */
+		sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2);
+
+		/* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */
+		sr32(&prcm_base->clksel1_pll, 27, 5, ptr->m2);
+
+		/* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */
+		sr32(&prcm_base->clksel1_pll, 16, 11, ptr->m);
+
+		/* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */
+		sr32(&prcm_base->clksel1_pll, 8, 7, ptr->n);
+
+		/* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */
+		sr32(&prcm_base->clksel1_pll, 6, 1, 0);
+
+		/* SSI */
+		sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV);
+		/* FSUSB */
+		sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV);
+		/* L4 */
+		sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV);
+		/* L3 */
+		sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV);
+		/* GFX */
+		sr32(&prcm_base->clksel_gfx,  0, 3, GFX_DIV);
+		/* RESET MGR */
+		sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM);
+		/* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */
+		sr32(&prcm_base->clken_pll,   4, 4, ptr->fsel);
+		/* LOCK MODE */
+		sr32(&prcm_base->clken_pll,   0, 3, PLL_LOCK);
+
+		wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen,
+				LDELAY);
+	} else if (is_running_in_flash()) {
+		/*
+		 * if running from flash, jump to small relocated code
+		 * area in SRAM.
+		 */
+		f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start +
+				SRAM_VECT_CODE);
+
+		p0 = readl(&prcm_base->clken_pll);
+		sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS);
+		/* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */
+		sr32(&p0, 4, 4, ptr->fsel);
+
+		p1 = readl(&prcm_base->clksel1_pll);
+		/* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */
+		sr32(&p1, 27, 5, ptr->m2);
+		/* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */
+		sr32(&p1, 16, 11, ptr->m);
+		/* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */
+		sr32(&p1, 8, 7, ptr->n);
+		/* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */
+		sr32(&p1, 6, 1, 0);
+
+		p2 = readl(&prcm_base->clksel_core);
+		/* SSI */
+		sr32(&p2, 8, 4, CORE_SSI_DIV);
+		/* FSUSB */
+		sr32(&p2, 4, 2, CORE_FUSB_DIV);
+		/* L4 */
+		sr32(&p2, 2, 2, CORE_L4_DIV);
+		/* L3 */
+		sr32(&p2, 0, 2, CORE_L3_DIV);
+
+		p3 = (u32)&prcm_base->idlest_ckgen;
+
+		(*f_lock_pll) (p0, p1, p2, p3);
+	}
+}
+
+static void dpll4_init_36xx(u32 sil_index, u32 clk_index)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	struct dpll_per_36x_param *ptr;
+
+	ptr = (struct dpll_per_36x_param *)get_36x_per_dpll_param();
+
+	/* Moving it to the right sysclk base */
+	ptr += clk_index;
+
+	/* EN_PERIPH_DPLL: CM_CLKEN_PLL[16:18] */
+	sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP);
+	wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
+
+	/* M6 (DIV_DPLL4): CM_CLKSEL1_EMU[24:29] */
+	sr32(&prcm_base->clksel1_emu, 24, 6, ptr->m6);
+
+	/* M5 (CLKSEL_CAM): CM_CLKSEL1_EMU[0:5] */
+	sr32(&prcm_base->clksel_cam, 0, 6, ptr->m5);
+
+	/* M4 (CLKSEL_DSS1): CM_CLKSEL_DSS[0:5] */
+	sr32(&prcm_base->clksel_dss, 0, 6, ptr->m4);
+
+	/* M3 (CLKSEL_DSS1): CM_CLKSEL_DSS[8:13] */
+	sr32(&prcm_base->clksel_dss, 8, 6, ptr->m3);
+
+	/* M2 (DIV_96M): CM_CLKSEL3_PLL[0:4] */
+	sr32(&prcm_base->clksel3_pll, 0, 5, ptr->m2);
+
+	/* M (PERIPH_DPLL_MULT): CM_CLKSEL2_PLL[8:19] */
+	sr32(&prcm_base->clksel2_pll, 8, 12, ptr->m);
+
+	/* N (PERIPH_DPLL_DIV): CM_CLKSEL2_PLL[0:6] */
+	sr32(&prcm_base->clksel2_pll, 0, 7, ptr->n);
+
+	/* M2DIV (CLKSEL_96M): CM_CLKSEL_CORE[12:13] */
+	sr32(&prcm_base->clksel_core, 12, 2, ptr->m2div);
+
+	/* LOCK MODE (EN_PERIPH_DPLL): CM_CLKEN_PLL[16:18] */
+	sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK);
+	wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY);
+}
+
+static void mpu_init_36xx(u32 sil_index, u32 clk_index)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	dpll_param *ptr = (dpll_param *) get_36x_mpu_dpll_param();
+
+	/* Moving to the right sysclk */
+	ptr += clk_index;
+
+	/* MPU DPLL (unlocked already */
+
+	/* M2 (MPU_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_MPU[0:4] */
+	sr32(&prcm_base->clksel2_pll_mpu, 0, 5, ptr->m2);
+
+	/* M (MPU_DPLL_MULT) : CM_CLKSEL2_PLL_MPU[8:18] */
+	sr32(&prcm_base->clksel1_pll_mpu, 8, 11, ptr->m);
+
+	/* N (MPU_DPLL_DIV) : CM_CLKSEL2_PLL_MPU[0:6] */
+	sr32(&prcm_base->clksel1_pll_mpu, 0, 7, ptr->n);
+}
+
+static void iva_init_36xx(u32 sil_index, u32 clk_index)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	dpll_param *ptr = (dpll_param *)get_36x_iva_dpll_param();
+
+	/* Moving to the right sysclk */
+	ptr += clk_index;
+
+	/* IVA DPLL */
+	/* EN_IVA2_DPLL : CM_CLKEN_PLL_IVA2[0:2] */
+	sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP);
+	wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
+
+	/* M2 (IVA2_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_IVA2[0:4] */
+	sr32(&prcm_base->clksel2_pll_iva2, 0, 5, ptr->m2);
+
+	/* M (IVA2_DPLL_MULT) : CM_CLKSEL1_PLL_IVA2[8:18] */
+	sr32(&prcm_base->clksel1_pll_iva2, 8, 11, ptr->m);
+
+	/* N (IVA2_DPLL_DIV) : CM_CLKSEL1_PLL_IVA2[0:6] */
+	sr32(&prcm_base->clksel1_pll_iva2, 0, 7, ptr->n);
+
+	/* LOCK (MODE (EN_IVA2_DPLL) : CM_CLKEN_PLL_IVA2[0:2] */
+	sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK);
+
+	wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY);
+}
+
+/******************************************************************************
+ * prcm_init() - inits clocks for PRCM as defined in clocks.h
+ *               called from SRAM, or Flash (using temp SRAM stack).
+ *****************************************************************************/
+void prcm_init(void)
+{
+	u32 osc_clk = 0, sys_clkin_sel;
+	u32 clk_index, sil_index = 0;
+	struct prm *prm_base = (struct prm *)PRM_BASE;
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
+	/*
+	 * Gauge the input clock speed and find out the sys_clkin_sel
+	 * value corresponding to the input clock.
+	 */
+	osc_clk = get_osc_clk_speed();
+	get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
+
+	/* set input crystal speed */
+	sr32(&prm_base->clksel, 0, 3, sys_clkin_sel);
+
+	/* If the input clock is greater than 19.2M always divide/2 */
+	if (sys_clkin_sel > 2) {
+		/* input clock divider */
+		sr32(&prm_base->clksrc_ctrl, 6, 2, 2);
+		clk_index = sys_clkin_sel / 2;
+	} else {
+		/* input clock divider */
+		sr32(&prm_base->clksrc_ctrl, 6, 2, 1);
+		clk_index = sys_clkin_sel;
+	}
+
+	if (get_cpu_family() == CPU_OMAP36XX) {
+		/* Unlock MPU DPLL (slows things down, and needed later) */
+		sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS);
+		wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu,
+				LDELAY);
+
+		dpll3_init_36xx(0, clk_index);
+		dpll4_init_36xx(0, clk_index);
+		iva_init_36xx(0, clk_index);
+		mpu_init_36xx(0, clk_index);
+
+		/* Lock MPU DPLL to set frequency */
+		sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK);
+		wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu,
+				LDELAY);
+	} else {
+		/*
+		 * The DPLL tables are defined according to sysclk value and
+		 * silicon revision. The clk_index value will be used to get
+		 * the values for that input sysclk from the DPLL param table
+		 * and sil_index will get the values for that SysClk for the
+		 * appropriate silicon rev.
+		 */
+		if (((get_cpu_family() == CPU_OMAP34XX)
+				&& (get_cpu_rev() >= CPU_3XX_ES20)) ||
+			(get_cpu_family() == CPU_AM35XX))
+			sil_index = 1;
+
+		/* Unlock MPU DPLL (slows things down, and needed later) */
+		sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS);
+		wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu,
+				LDELAY);
+
+		dpll3_init_34xx(sil_index, clk_index);
+		dpll4_init_34xx(sil_index, clk_index);
+		iva_init_34xx(sil_index, clk_index);
+		mpu_init_34xx(sil_index, clk_index);
+
+		/* Lock MPU DPLL to set frequency */
+		sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK);
+		wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu,
+				LDELAY);
+	}
+
+	/* Set up GPTimers to sys_clk source only */
+	sr32(&prcm_base->clksel_per, 0, 8, 0xff);
+	sr32(&prcm_base->clksel_wkup, 0, 1, 1);
+
+	sdelay(5000);
+}
+
+/******************************************************************************
+ * peripheral_enable() - Enable the clks & power for perifs (GPT2, UART1,...)
+ *****************************************************************************/
+void per_clocks_enable(void)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
+	/* Enable GP2 timer. */
+	sr32(&prcm_base->clksel_per, 0, 1, 0x1);	/* GPT2 = sys clk */
+	sr32(&prcm_base->iclken_per, 3, 1, 0x1);	/* ICKen GPT2 */
+	sr32(&prcm_base->fclken_per, 3, 1, 0x1);	/* FCKen GPT2 */
+
+#ifdef CONFIG_SYS_NS16550
+	/* Enable UART1 clocks */
+	sr32(&prcm_base->fclken1_core, 13, 1, 0x1);
+	sr32(&prcm_base->iclken1_core, 13, 1, 0x1);
+
+	/* UART 3 Clocks */
+	sr32(&prcm_base->fclken_per, 11, 1, 0x1);
+	sr32(&prcm_base->iclken_per, 11, 1, 0x1);
+#endif
+
+#ifdef CONFIG_OMAP3_GPIO_2
+	sr32(&prcm_base->fclken_per, 13, 1, 1);
+	sr32(&prcm_base->iclken_per, 13, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_3
+	sr32(&prcm_base->fclken_per, 14, 1, 1);
+	sr32(&prcm_base->iclken_per, 14, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_4
+	sr32(&prcm_base->fclken_per, 15, 1, 1);
+	sr32(&prcm_base->iclken_per, 15, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_5
+	sr32(&prcm_base->fclken_per, 16, 1, 1);
+	sr32(&prcm_base->iclken_per, 16, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_6
+	sr32(&prcm_base->fclken_per, 17, 1, 1);
+	sr32(&prcm_base->iclken_per, 17, 1, 1);
+#endif
+
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+	/* Turn on all 3 I2C clocks */
+	sr32(&prcm_base->fclken1_core, 15, 3, 0x7);
+	sr32(&prcm_base->iclken1_core, 15, 3, 0x7);	/* I2C1,2,3 = on */
+#endif
+	/* Enable the ICLK for 32K Sync Timer as its used in udelay */
+	sr32(&prcm_base->iclken_wkup, 2, 1, 0x1);
+
+	sr32(&prcm_base->fclken_iva2, 0, 32, FCK_IVA2_ON);
+	sr32(&prcm_base->fclken1_core, 0, 32, FCK_CORE1_ON);
+	sr32(&prcm_base->iclken1_core, 0, 32, ICK_CORE1_ON);
+	sr32(&prcm_base->iclken2_core, 0, 32, ICK_CORE2_ON);
+	sr32(&prcm_base->fclken_wkup, 0, 32, FCK_WKUP_ON);
+	sr32(&prcm_base->iclken_wkup, 0, 32, ICK_WKUP_ON);
+	
+#ifndef CONFIG_OMAP3_GTA04A2	/* makes problems on GTA04A2 */
+	sr32(&prcm_base->fclken_dss, 0, 32, FCK_DSS_ON);
+	sr32(&prcm_base->iclken_dss, 0, 32, ICK_DSS_ON);
+	sr32(&prcm_base->fclken_cam, 0, 32, FCK_CAM_ON);
+	sr32(&prcm_base->iclken_cam, 0, 32, ICK_CAM_ON);
+#endif
+	sr32(&prcm_base->fclken_per, 0, 32, FCK_PER_ON);
+	sr32(&prcm_base->iclken_per, 0, 32, ICK_PER_ON);
+
+	sdelay(1000);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/emif4.c b/u-boot/arch/arm/cpu/armv7/omap3/emif4.c
new file mode 100644
index 0000000..3085637
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/emif4.c
@@ -0,0 +1,178 @@
+/*
+ * Author :
+ *     Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * Based on mem.c and sdrc.c
+ *
+ * Copyright (C) 2010
+ * Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/emif4.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+extern omap3_sysinfo sysinfo;
+
+static emif4_t *emif4_base = (emif4_t *)OMAP34XX_SDRC_BASE;
+
+/*
+ * is_mem_sdr -
+ *  - Return 1 if mem type in use is SDR
+ */
+u32 is_mem_sdr(void)
+{
+	return 0;
+}
+
+/*
+ * get_sdr_cs_size -
+ *  - Get size of chip select 0/1
+ */
+u32 get_sdr_cs_size(u32 cs)
+{
+	u32 size = 0;
+
+	/* TODO: Calculate the size based on EMIF4 configuration */
+	if (cs == CS0)
+		size = CONFIG_SYS_CS0_SIZE;
+
+	return size;
+}
+
+/*
+ * get_sdr_cs_offset -
+ *  - Get offset of cs from cs0 start
+ */
+u32 get_sdr_cs_offset(u32 cs)
+{
+	u32 offset = 0;
+
+	return offset;
+}
+
+/*
+ * do_emif4_init -
+ *  - Init the emif4 module for DDR access
+ *  - Early init routines, called from flash or SRAM.
+ */
+void do_emif4_init(void)
+{
+	unsigned int regval;
+	/* Set the DDR PHY parameters in PHY ctrl registers */
+	regval = (EMIF4_DDR1_READ_LAT | EMIF4_DDR1_PWRDN_DIS |
+		EMIF4_DDR1_EXT_STRB_DIS);
+	writel(regval, &emif4_base->ddr_phyctrl1);
+	writel(regval, &emif4_base->ddr_phyctrl1_shdw);
+	writel(0, &emif4_base->ddr_phyctrl2);
+
+	/* Reset the DDR PHY and wait till completed */
+	regval = readl(&emif4_base->sdram_iodft_tlgc);
+	regval |= (1<<10);
+	writel(regval, &emif4_base->sdram_iodft_tlgc);
+	/*Wait till that bit clears*/
+	while ((readl(&emif4_base->sdram_iodft_tlgc) & (1<<10)) == 0x1);
+	/*Re-verify the DDR PHY status*/
+	while ((readl(&emif4_base->sdram_sts) & (1<<2)) == 0x0);
+
+	regval |= (1<<0);
+	writel(regval, &emif4_base->sdram_iodft_tlgc);
+	/* Set SDR timing registers */
+	regval = (EMIF4_TIM1_T_WTR | EMIF4_TIM1_T_RRD |
+		EMIF4_TIM1_T_RC | EMIF4_TIM1_T_RAS |
+		EMIF4_TIM1_T_WR | EMIF4_TIM1_T_RCD |
+		EMIF4_TIM1_T_RP);
+	writel(regval, &emif4_base->sdram_time1);
+	writel(regval, &emif4_base->sdram_time1_shdw);
+
+	regval = (EMIF4_TIM2_T_CKE | EMIF4_TIM2_T_RTP |
+		EMIF4_TIM2_T_XSRD | EMIF4_TIM2_T_XSNR |
+		EMIF4_TIM2_T_ODT | EMIF4_TIM2_T_XP);
+	writel(regval, &emif4_base->sdram_time2);
+	writel(regval, &emif4_base->sdram_time2_shdw);
+
+	regval = (EMIF4_TIM3_T_RAS_MAX | EMIF4_TIM3_T_RFC);
+	writel(regval, &emif4_base->sdram_time3);
+	writel(regval, &emif4_base->sdram_time3_shdw);
+
+	/* Set the PWR control register */
+	regval = (EMIF4_PWR_PM_TIM | EMIF4_PWR_LP_MODE |
+		EMIF4_PWR_DPD_DIS | EMIF4_PWR_IDLE_MODE);
+	writel(regval, &emif4_base->sdram_pwr_mgmt);
+	writel(regval, &emif4_base->sdram_pwr_mgmt_shdw);
+
+	/* Set the DDR refresh rate control register */
+	regval = (EMIF4_REFRESH_RATE | EMIF4_INITREF_DIS);
+	writel(regval, &emif4_base->sdram_refresh_ctrl);
+	writel(regval, &emif4_base->sdram_refresh_ctrl_shdw);
+
+	/* set the SDRAM configuration register */
+	regval = (EMIF4_CFG_PGSIZE | EMIF4_CFG_EBANK |
+		EMIF4_CFG_IBANK | EMIF4_CFG_ROWSIZE |
+		EMIF4_CFG_CL | EMIF4_CFG_NARROW_MD |
+		EMIF4_CFG_SDR_DRV | EMIF4_CFG_DDR_DIS_DLL |
+		EMIF4_CFG_DDR2_DDQS | EMIF4_CFG_DDR_TERM |
+		EMIF4_CFG_IBANK_POS | EMIF4_CFG_SDRAM_TYP);
+	writel(regval, &emif4_base->sdram_config);
+}
+
+/*
+ * dram_init -
+ *  - Sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+	unsigned int size0 = 0, size1 = 0;
+
+	size0 = get_sdr_cs_size(CS0);
+	/*
+	 * If a second bank of DDR is attached to CS1 this is
+	 * where it can be started.  Early init code will init
+	 * memory on CS0.
+	 */
+	if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED))
+		size1 = get_sdr_cs_size(CS1);
+
+	gd->ram_size = size0 + size1;
+	return 0;
+}
+
+void dram_init_banksize (void)
+{
+	unsigned int size0 = 0, size1 = 0;
+
+	size0 = get_sdr_cs_size(CS0);
+	size1 = get_sdr_cs_size(CS1);
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = size0;
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
+	gd->bd->bi_dram[1].size = size1;
+}
+
+/*
+ * mem_init() -
+ *  - Initialize memory subsystem
+ */
+void mem_init(void)
+{
+	do_emif4_init();
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/gpio.c b/u-boot/arch/arm/cpu/armv7/omap3/gpio.c
new file mode 100644
index 0000000..aeb6066
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/gpio.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2009 Wind River Systems, Inc.
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * This work is derived from the linux 2.6.27 kernel source
+ * To fetch, use the kernel repository
+ * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
+ * Use the v2.6.27 tag.
+ *
+ * Below is the original's header including its copyright
+ *
+ *  linux/arch/arm/plat-omap/gpio.c
+ *
+ * Support functions for OMAP GPIO
+ *
+ * Copyright (C) 2003-2005 Nokia Corporation
+ * Written by Juha Yrjölä <juha.yrjola@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <common.h>
+#include <asm/arch/gpio.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+
+static struct gpio_bank gpio_bank_34xx[6] = {
+	{ (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+static struct gpio_bank *gpio_bank = &gpio_bank_34xx[0];
+
+static inline struct gpio_bank *get_gpio_bank(int gpio)
+{
+	return &gpio_bank[gpio >> 5];
+}
+
+static inline int get_gpio_index(int gpio)
+{
+	return gpio & 0x1f;
+}
+
+static inline int gpio_valid(int gpio)
+{
+	if (gpio < 0)
+		return -1;
+	if (gpio < 192)
+		return 0;
+	return -1;
+}
+
+static int check_gpio(int gpio)
+{
+	if (gpio_valid(gpio) < 0) {
+		printf("ERROR : check_gpio: invalid GPIO %d\n", gpio);
+		return -1;
+	}
+	return 0;
+}
+
+static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
+{
+	void *reg = bank->base;
+	u32 l;
+
+	switch (bank->method) {
+	case METHOD_GPIO_24XX:
+		reg += OMAP24XX_GPIO_OE;
+		break;
+	default:
+		return;
+	}
+	l = __raw_readl(reg);
+	if (is_input)
+		l |= 1 << gpio;
+	else
+		l &= ~(1 << gpio);
+	__raw_writel(l, reg);
+}
+
+void omap_set_gpio_direction(int gpio, int is_input)
+{
+	struct gpio_bank *bank;
+
+	if (check_gpio(gpio) < 0)
+		return;
+	bank = get_gpio_bank(gpio);
+	_set_gpio_direction(bank, get_gpio_index(gpio), is_input);
+}
+
+static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
+{
+	void *reg = bank->base;
+	u32 l = 0;
+
+	switch (bank->method) {
+	case METHOD_GPIO_24XX:
+		if (enable)
+			reg += OMAP24XX_GPIO_SETDATAOUT;
+		else
+			reg += OMAP24XX_GPIO_CLEARDATAOUT;
+		l = 1 << gpio;
+		break;
+	default:
+		printf("omap3-gpio unknown bank method %s %d\n",
+		       __FILE__, __LINE__);
+		return;
+	}
+	__raw_writel(l, reg);
+}
+
+void omap_set_gpio_dataout(int gpio, int enable)
+{
+	struct gpio_bank *bank;
+
+	if (check_gpio(gpio) < 0)
+		return;
+	bank = get_gpio_bank(gpio);
+	_set_gpio_dataout(bank, get_gpio_index(gpio), enable);
+}
+
+int omap_get_gpio_datain(int gpio)
+{
+	struct gpio_bank *bank;
+	void *reg;
+
+	if (check_gpio(gpio) < 0)
+		return -EINVAL;
+	bank = get_gpio_bank(gpio);
+	reg = bank->base;
+	switch (bank->method) {
+	case METHOD_GPIO_24XX:
+		reg += OMAP24XX_GPIO_DATAIN;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return (__raw_readl(reg)
+			& (1 << get_gpio_index(gpio))) != 0;
+}
+
+static void _reset_gpio(struct gpio_bank *bank, int gpio)
+{
+	_set_gpio_direction(bank, get_gpio_index(gpio), 1);
+}
+
+int omap_request_gpio(int gpio)
+{
+	if (check_gpio(gpio) < 0)
+		return -EINVAL;
+
+	return 0;
+}
+
+void omap_free_gpio(int gpio)
+{
+	struct gpio_bank *bank;
+
+	if (check_gpio(gpio) < 0)
+		return;
+	bank = get_gpio_bank(gpio);
+
+	_reset_gpio(bank, gpio);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/u-boot/arch/arm/cpu/armv7/omap3/lowlevel_init.S
new file mode 100644
index 0000000..109481e
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/lowlevel_init.S
@@ -0,0 +1,429 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Initial Code by:
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/clocks_omap3.h>
+
+_TEXT_BASE:
+	.word	CONFIG_SYS_TEXT_BASE	/* sdram load addr from config.mk */
+
+#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_NAND_BOOT)
+/**************************************************************************
+ * cpy_clk_code: relocates clock code into SRAM where its safer to execute
+ * R1 = SRAM destination address.
+ *************************************************************************/
+.global cpy_clk_code
+ cpy_clk_code:
+	/* Copy DPLL code into SRAM */
+	adr	r0, go_to_speed		/* get addr of clock setting code */
+	mov	r2, #384		/* r2 size to copy (div by 32 bytes) */
+	mov	r1, r1			/* r1 <- dest address (passed in) */
+	add	r2, r2, r0		/* r2 <- source end address */
+next2:
+	ldmia	r0!, {r3 - r10}		/* copy from source address [r0] */
+	stmia	r1!, {r3 - r10}		/* copy to   target address [r1] */
+	cmp	r0, r2			/* until source end address [r2] */
+	bne	next2
+	mov	pc, lr			/* back to caller */
+
+/* ***************************************************************************
+ *  go_to_speed: -Moves to bypass, -Commits clock dividers, -puts dpll at speed
+ *               -executed from SRAM.
+ *  R0 = CM_CLKEN_PLL-bypass value
+ *  R1 = CM_CLKSEL1_PLL-m, n, and divider values
+ *  R2 = CM_CLKSEL_CORE-divider values
+ *  R3 = CM_IDLEST_CKGEN - addr dpll lock wait
+ *
+ *  Note: If core unlocks/relocks and SDRAM is running fast already it gets
+ *        confused.  A reset of the controller gets it back.  Taking away its
+ *        L3 when its not in self refresh seems bad for it.  Normally, this
+ *	  code runs from flash before SDR is init so that should be ok.
+ ****************************************************************************/
+.global go_to_speed
+ go_to_speed:
+	stmfd sp!, {r4 - r6}
+
+	/* move into fast relock bypass */
+	ldr	r4, pll_ctl_add
+	str	r0, [r4]
+wait1:
+	ldr	r5, [r3]		/* get status */
+	and	r5, r5, #0x1		/* isolate core status */
+	cmp	r5, #0x1		/* still locked? */
+	beq	wait1			/* if lock, loop */
+
+	/* set new dpll dividers _after_ in bypass */
+	ldr	r5, pll_div_add1
+	str	r1, [r5]		/* set m, n, m2 */
+	ldr	r5, pll_div_add2
+	str	r2, [r5]		/* set l3/l4/.. dividers*/
+	ldr	r5, pll_div_add3	/* wkup */
+	ldr	r2, pll_div_val3	/* rsm val */
+	str	r2, [r5]
+	ldr	r5, pll_div_add4	/* gfx */
+	ldr	r2, pll_div_val4
+	str	r2, [r5]
+	ldr	r5, pll_div_add5	/* emu */
+	ldr	r2, pll_div_val5
+	str	r2, [r5]
+
+	/* now prepare GPMC (flash) for new dpll speed */
+	/* flash needs to be stable when we jump back to it */
+	ldr	r5, flash_cfg3_addr
+	ldr	r2, flash_cfg3_val
+	str	r2, [r5]
+	ldr	r5, flash_cfg4_addr
+	ldr	r2, flash_cfg4_val
+	str	r2, [r5]
+	ldr	r5, flash_cfg5_addr
+	ldr	r2, flash_cfg5_val
+	str	r2, [r5]
+	ldr	r5, flash_cfg1_addr
+	ldr	r2, [r5]
+	orr	r2, r2, #0x3		/* up gpmc divider */
+	str	r2, [r5]
+
+	/* lock DPLL3 and wait a bit */
+	orr	r0, r0, #0x7	/* set up for lock mode */
+	str	r0, [r4]	/* lock */
+	nop			/* ARM slow at this point working at sys_clk */
+	nop
+	nop
+	nop
+wait2:
+	ldr	r5, [r3]	/* get status */
+	and	r5, r5, #0x1	/* isolate core status */
+	cmp	r5, #0x1	/* still locked? */
+	bne	wait2		/* if lock, loop */
+	nop
+	nop
+	nop
+	nop
+	ldmfd	sp!, {r4 - r6}
+	mov	pc, lr		/* back to caller, locked */
+
+_go_to_speed: .word go_to_speed
+
+/* these constants need to be close for PIC code */
+/* The Nor has to be in the Flash Base CS0 for this condition to happen */
+flash_cfg1_addr:
+	.word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG1)
+flash_cfg3_addr:
+	.word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG3)
+flash_cfg3_val:
+	.word STNOR_GPMC_CONFIG3
+flash_cfg4_addr:
+	.word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG4)
+flash_cfg4_val:
+	.word STNOR_GPMC_CONFIG4
+flash_cfg5_val:
+	.word STNOR_GPMC_CONFIG5
+flash_cfg5_addr:
+	.word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG5)
+pll_ctl_add:
+	.word CM_CLKEN_PLL
+pll_div_add1:
+	.word CM_CLKSEL1_PLL
+pll_div_add2:
+	.word CM_CLKSEL_CORE
+pll_div_add3:
+	.word CM_CLKSEL_WKUP
+pll_div_val3:
+	.word (WKUP_RSM << 1)
+pll_div_add4:
+	.word CM_CLKSEL_GFX
+pll_div_val4:
+	.word (GFX_DIV << 0)
+pll_div_add5:
+	.word CM_CLKSEL1_EMU
+pll_div_val5:
+	.word CLSEL1_EMU_VAL
+
+#endif
+
+.globl lowlevel_init
+lowlevel_init:
+	ldr	sp, SRAM_STACK
+	str	ip, [sp]	/* stash old link register */
+	mov	ip, lr		/* save link reg across call */
+	bl	s_init		/* go setup pll, mux, memory */
+	ldr	ip, [sp]	/* restore save ip */
+	mov	lr, ip		/* restore link reg */
+
+	/* back to arch calling code */
+	mov	pc, lr
+
+	/* the literal pools origin */
+	.ltorg
+
+REG_CONTROL_STATUS:
+	.word CONTROL_STATUS
+SRAM_STACK:
+	.word LOW_LEVEL_SRAM_STACK
+
+/* DPLL(1-4) PARAM TABLES */
+
+/*
+ * Each of the tables has M, N, FREQSEL, M2 values defined for nominal
+ * OPP (1.2V). The fields are defined according to dpll_param struct (clock.c).
+ * The values are defined for all possible sysclk and for ES1 and ES2.
+ */
+
+mpu_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word MPU_M_12_ES1, MPU_N_12_ES1, MPU_FSEL_12_ES1, MPU_M2_12_ES1
+/* ES2 */
+.word MPU_M_12_ES2, MPU_N_12_ES2, MPU_FSEL_12_ES2, MPU_M2_ES2
+/* 3410 */
+.word MPU_M_12, MPU_N_12, MPU_FSEL_12, MPU_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word MPU_M_13_ES1, MPU_N_13_ES1, MPU_FSEL_13_ES1, MPU_M2_13_ES1
+/* ES2 */
+.word MPU_M_13_ES2, MPU_N_13_ES2, MPU_FSEL_13_ES2, MPU_M2_13_ES2
+/* 3410 */
+.word MPU_M_13, MPU_N_13, MPU_FSEL_13, MPU_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word MPU_M_19P2_ES1, MPU_N_19P2_ES1, MPU_FSEL_19P2_ES1, MPU_M2_19P2_ES1
+/* ES2 */
+.word MPU_M_19P2_ES2, MPU_N_19P2_ES2, MPU_FSEL_19P2_ES2, MPU_M2_19P2_ES2
+/* 3410 */
+.word MPU_M_19P2, MPU_N_19P2, MPU_FSEL_19P2, MPU_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word MPU_M_26_ES1, MPU_N_26_ES1, MPU_FSEL_26_ES1, MPU_M2_26_ES1
+/* ES2 */
+.word MPU_M_26_ES2, MPU_N_26_ES2, MPU_FSEL_26_ES2, MPU_M2_26_ES2
+/* 3410 */
+.word MPU_M_26, MPU_N_26, MPU_FSEL_26, MPU_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word MPU_M_38P4_ES1, MPU_N_38P4_ES1, MPU_FSEL_38P4_ES1, MPU_M2_38P4_ES1
+/* ES2 */
+.word MPU_M_38P4_ES2, MPU_N_38P4_ES2, MPU_FSEL_38P4_ES2, MPU_M2_38P4_ES2
+/* 3410 */
+.word MPU_M_38P4, MPU_N_38P4, MPU_FSEL_38P4, MPU_M2_38P4
+
+
+.globl get_mpu_dpll_param
+get_mpu_dpll_param:
+	adr	r0, mpu_dpll_param
+	mov	pc, lr
+
+iva_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word IVA_M_12_ES1, IVA_N_12_ES1, IVA_FSEL_12_ES1, IVA_M2_12_ES1
+/* ES2 */
+.word IVA_M_12_ES2, IVA_N_12_ES2, IVA_FSEL_12_ES2, IVA_M2_12_ES2
+/* 3410 */
+.word IVA_M_12, IVA_N_12, IVA_FSEL_12, IVA_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word IVA_M_13_ES1, IVA_N_13_ES1, IVA_FSEL_13_ES1, IVA_M2_13_ES1
+/* ES2 */
+.word IVA_M_13_ES2, IVA_N_13_ES2,  IVA_FSEL_13_ES2, IVA_M2_13_ES2
+/* 3410 */
+.word IVA_M_13, IVA_N_13, IVA_FSEL_13, IVA_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word IVA_M_19P2_ES1, IVA_N_19P2_ES1, IVA_FSEL_19P2_ES1, IVA_M2_19P2_ES1
+/* ES2 */
+.word IVA_M_19P2_ES2, IVA_N_19P2_ES2, IVA_FSEL_19P2_ES2, IVA_M2_19P2_ES2
+/* 3410 */
+.word IVA_M_19P2, IVA_N_19P2, IVA_FSEL_19P2, IVA_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word IVA_M_26_ES1, IVA_N_26_ES1, IVA_FSEL_26_ES1, IVA_M2_26_ES1
+/* ES2 */
+.word IVA_M_26_ES2, IVA_N_26_ES2, IVA_FSEL_26_ES2, IVA_M2_26_ES2
+/* 3410 */
+.word IVA_M_26, IVA_N_26, IVA_FSEL_26, IVA_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word IVA_M_38P4_ES1, IVA_N_38P4_ES1, IVA_FSEL_38P4_ES1, IVA_M2_38P4_ES1
+/* ES2 */
+.word IVA_M_38P4_ES2, IVA_N_38P4_ES2, IVA_FSEL_38P4_ES2, IVA_M2_38P4_ES2
+/* 3410 */
+.word IVA_M_38P4, IVA_N_38P4, IVA_FSEL_38P4, IVA_M2_38P4
+
+
+.globl get_iva_dpll_param
+get_iva_dpll_param:
+	adr	r0, iva_dpll_param
+	mov	pc, lr
+
+/* Core DPLL targets for L3 at 166 & L133 */
+core_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word CORE_M_12_ES1, CORE_N_12_ES1, CORE_FSL_12_ES1, CORE_M2_12_ES1
+/* ES2 */
+.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
+/* 3410 */
+.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word CORE_M_13_ES1, CORE_N_13_ES1, CORE_FSL_13_ES1, CORE_M2_13_ES1
+/* ES2 */
+.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
+/* 3410 */
+.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word CORE_M_19P2_ES1, CORE_N_19P2_ES1, CORE_FSL_19P2_ES1, CORE_M2_19P2_ES1
+/* ES2 */
+.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
+/* 3410 */
+.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word CORE_M_26_ES1, CORE_N_26_ES1, CORE_FSL_26_ES1, CORE_M2_26_ES1
+/* ES2 */
+.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
+/* 3410 */
+.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word CORE_M_38P4_ES1, CORE_N_38P4_ES1, CORE_FSL_38P4_ES1, CORE_M2_38P4_ES1
+/* ES2 */
+.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
+/* 3410 */
+.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
+
+.globl get_core_dpll_param
+get_core_dpll_param:
+	adr	r0, core_dpll_param
+	mov	pc, lr
+
+/* PER DPLL values are same for both ES1 and ES2 */
+per_dpll_param:
+/* 12MHz */
+.word PER_M_12, PER_N_12, PER_FSEL_12, PER_M2_12
+
+/* 13MHz */
+.word PER_M_13, PER_N_13, PER_FSEL_13, PER_M2_13
+
+/* 19.2MHz */
+.word PER_M_19P2, PER_N_19P2, PER_FSEL_19P2, PER_M2_19P2
+
+/* 26MHz */
+.word PER_M_26, PER_N_26, PER_FSEL_26, PER_M2_26
+
+/* 38.4MHz */
+.word PER_M_38P4, PER_N_38P4, PER_FSEL_38P4, PER_M2_38P4
+
+.globl get_per_dpll_param
+get_per_dpll_param:
+	adr	r0, per_dpll_param
+	mov	pc, lr
+
+/*
+ * Tables for 36XX/37XX devices
+ *
+ */
+mpu_36x_dpll_param:
+/* 12MHz */
+.word 50, 0, 0, 1
+/* 13MHz */
+.word 600, 12, 0, 1
+/* 19.2MHz */
+.word 125, 3, 0, 1
+/* 26MHz */
+.word 300, 12, 0, 1
+/* 38.4MHz */
+.word 125, 7, 0, 1
+
+iva_36x_dpll_param:
+/* 12MHz */
+.word 130, 2, 0, 1
+/* 13MHz */
+.word 20, 0, 0, 1
+/* 19.2MHz */
+.word 325, 11, 0, 1
+/* 26MHz */
+.word 10, 0, 0, 1
+/* 38.4MHz */
+.word 325, 23, 0, 1
+
+core_36x_dpll_param:
+/* 12MHz */
+.word 100, 2, 0, 1
+/* 13MHz */
+.word 400, 12, 0, 1
+/* 19.2MHz */
+.word 375, 17, 0, 1
+/* 26MHz */
+.word 200, 12, 0, 1
+/* 38.4MHz */
+.word 375, 35, 0, 1
+
+per_36x_dpll_param:
+/*    SYSCLK    M       N      M2      M3      M4     M5      M6      m2DIV */
+.word 12000,    360,    4,     9,      16,     5,     4,      3,      1
+.word 13000,    864,   12,     9,      16,     9,     4,      3,      1
+.word 19200,    360,    7,     9,      16,     5,     4,      3,      1
+.word 26000,    432,   12,     9,      16,     9,     4,      3,      1
+.word 38400,    360,   15,     9,      16,     5,     4,      3,      1
+
+.globl get_36x_mpu_dpll_param
+get_36x_mpu_dpll_param:
+	adr	r0, mpu_36x_dpll_param
+	mov	pc, lr
+
+.globl get_36x_iva_dpll_param
+get_36x_iva_dpll_param:
+	adr	r0, iva_36x_dpll_param
+	mov	pc, lr
+
+.globl get_36x_core_dpll_param
+get_36x_core_dpll_param:
+	adr	r0, core_36x_dpll_param
+	mov	pc, lr
+
+.globl get_36x_per_dpll_param
+get_36x_per_dpll_param:
+	adr	r0, per_36x_dpll_param
+	mov	pc, lr
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/mem.c b/u-boot/arch/arm/cpu/armv7/omap3/mem.c
new file mode 100644
index 0000000..bd914b0
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/mem.c
@@ -0,0 +1,191 @@
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *     Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Initial Code from:
+ *     Richard Woodruff <r-woodruff2@ti.com>
+ *     Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <command.h>
+
+/*
+ * Only One NAND allowed on board at a time.
+ * The GPMC CS Base for the same
+ */
+unsigned int boot_flash_base;
+unsigned int boot_flash_off;
+unsigned int boot_flash_sec;
+unsigned int boot_flash_type;
+volatile unsigned int boot_flash_env_addr;
+
+struct gpmc *gpmc_cfg;
+
+#if defined(CONFIG_CMD_NAND)
+static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
+	M_NAND_GPMC_CONFIG1,
+	M_NAND_GPMC_CONFIG2,
+	M_NAND_GPMC_CONFIG3,
+	M_NAND_GPMC_CONFIG4,
+	M_NAND_GPMC_CONFIG5,
+	M_NAND_GPMC_CONFIG6, 0
+};
+
+#if defined(CONFIG_ENV_IS_IN_NAND)
+#define GPMC_CS 0
+#else
+#define GPMC_CS 1
+#endif
+
+#endif
+
+#if defined(CONFIG_CMD_ONENAND)
+static const u32 gpmc_onenand[GPMC_MAX_REG] = {
+	ONENAND_GPMC_CONFIG1,
+	ONENAND_GPMC_CONFIG2,
+	ONENAND_GPMC_CONFIG3,
+	ONENAND_GPMC_CONFIG4,
+	ONENAND_GPMC_CONFIG5,
+	ONENAND_GPMC_CONFIG6, 0
+};
+
+#if defined(CONFIG_ENV_IS_IN_ONENAND)
+#define GPMC_CS 0
+#else
+#define GPMC_CS 1
+#endif
+
+#endif
+
+/********************************************************
+ *  mem_ok() - test used to see if timings are correct
+ *             for a part. Helps in guessing which part
+ *             we are currently using.
+ *******************************************************/
+u32 mem_ok(u32 cs)
+{
+	u32 val1, val2, addr;
+	u32 pattern = 0x12345678;
+
+	addr = OMAP34XX_SDRC_CS0 + get_sdr_cs_offset(cs);
+
+	writel(0x0, addr + 0x400);	/* clear pos A */
+	writel(pattern, addr);		/* pattern to pos B */
+	writel(0x0, addr + 4);		/* remove pattern off the bus */
+	val1 = readl(addr + 0x400);	/* get pos A value */
+	val2 = readl(addr);		/* get val2 */
+
+	if ((val1 != 0) || (val2 != pattern))	/* see if pos A val changed */
+		return 0;
+	else
+		return 1;
+}
+
+void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
+			u32 size)
+{
+	writel(0, &cs->config7);
+	sdelay(1000);
+	/* Delay for settling */
+	writel(gpmc_config[0], &cs->config1);
+	writel(gpmc_config[1], &cs->config2);
+	writel(gpmc_config[2], &cs->config3);
+	writel(gpmc_config[3], &cs->config4);
+	writel(gpmc_config[4], &cs->config5);
+	writel(gpmc_config[5], &cs->config6);
+	/* Enable the config */
+	writel((((size & 0xF) << 8) | ((base >> 24) & 0x3F) |
+		(1 << 6)), &cs->config7);
+	sdelay(2000);
+}
+
+/*****************************************************
+ * gpmc_init(): init gpmc bus
+ * Init GPMC for x16, MuxMode (SDRAM in x32).
+ * This code can only be executed from SRAM or SDRAM.
+ *****************************************************/
+void gpmc_init(void)
+{
+	/* putting a blanket check on GPMC based on ZeBu for now */
+	gpmc_cfg = (struct gpmc *)GPMC_BASE;
+#if defined(CONFIG_CMD_NAND) || defined(CONFIG_CMD_ONENAND)
+	const u32 *gpmc_config = NULL;
+	u32 base = 0;
+	u32 size = 0;
+#if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_ONENAND)
+	u32 f_off = CONFIG_SYS_MONITOR_LEN;
+	u32 f_sec = 0;
+#endif
+#endif
+	u32 config = 0;
+
+	/* global settings */
+	writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
+	writel(0, &gpmc_cfg->timeout_control);/* timeout disable */
+
+	config = readl(&gpmc_cfg->config);
+	config &= (~0xf00);
+	writel(config, &gpmc_cfg->config);
+
+	/*
+	 * Disable the GPMC0 config set by ROM code
+	 * It conflicts with our MPDB (both at 0x08000000)
+	 */
+	writel(0, &gpmc_cfg->cs[0].config7);
+	sdelay(1000);
+
+#if defined(CONFIG_CMD_NAND)	/* CS 0 */
+	gpmc_config = gpmc_m_nand;
+
+	base = PISMO1_NAND_BASE;
+	size = PISMO1_NAND_SIZE;
+	enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
+#if defined(CONFIG_ENV_IS_IN_NAND)
+	f_off = SMNAND_ENV_OFFSET;
+	f_sec = (128 << 10);	/* 128 KiB */
+	/* env setup */
+	boot_flash_base = base;
+	boot_flash_off = f_off;
+	boot_flash_sec = f_sec;
+	boot_flash_env_addr = f_off;
+#endif
+#endif
+
+#if defined(CONFIG_CMD_ONENAND)
+	gpmc_config = gpmc_onenand;
+	base = PISMO1_ONEN_BASE;
+	size = PISMO1_ONEN_SIZE;
+	enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
+#if defined(CONFIG_ENV_IS_IN_ONENAND)
+	f_off = ONENAND_ENV_OFFSET;
+	f_sec = (128 << 10);	/* 128 KiB */
+	/* env setup */
+	boot_flash_base = base;
+	boot_flash_off = f_off;
+	boot_flash_sec = f_sec;
+	boot_flash_env_addr = f_off;
+#endif
+#endif
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/sdrc.c b/u-boot/arch/arm/cpu/armv7/omap3/sdrc.c
new file mode 100644
index 0000000..2a7970b
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/sdrc.c
@@ -0,0 +1,217 @@
+/*
+ * Functions related to OMAP3 SDRC.
+ *
+ * This file has been created after exctracting and consolidating
+ * the SDRC related content from mem.c and board.c, also created
+ * generic init function (mem_init).
+ *
+ * Copyright (C) 2004-2010
+ * Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author :
+ *     Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * Original implementation by (mem.c, board.c) :
+ *      Sunil Kumar <sunilsaini05@gmail.com>
+ *      Shashi Ranjan <shashiranjanmca05@gmail.com>
+ *      Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+extern omap3_sysinfo sysinfo;
+
+static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE;
+
+/*
+ * is_mem_sdr -
+ *  - Return 1 if mem type in use is SDR
+ */
+u32 is_mem_sdr(void)
+{
+	if (readl(&sdrc_base->cs[CS0].mr) == SDRC_MR_0_SDR)
+		return 1;
+	return 0;
+}
+
+/*
+ * make_cs1_contiguous -
+ *  - For es2 and above remap cs1 behind cs0 to allow command line
+ *    mem=xyz use all memory with out discontinuous support compiled in.
+ *    Could do it at the ATAG, but there really is two banks...
+ *  - Called as part of 2nd phase DDR init.
+ */
+void make_cs1_contiguous(void)
+{
+	u32 size, a_add_low, a_add_high;
+
+	size = get_sdr_cs_size(CS0);
+	size >>= 25;	/* divide by 32 MiB to find size to offset CS1 */
+	a_add_high = (size & 3) << 8;	/* set up low field */
+	a_add_low = (size & 0x3C) >> 2;	/* set up high field */
+	writel((a_add_high | a_add_low), &sdrc_base->cs_cfg);
+
+}
+
+
+/*
+ * get_sdr_cs_size -
+ *  - Get size of chip select 0/1
+ */
+u32 get_sdr_cs_size(u32 cs)
+{
+	u32 size;
+
+	/* get ram size field */
+	size = readl(&sdrc_base->cs[cs].mcfg) >> 8;
+	size &= 0x3FF;		/* remove unwanted bits */
+	size <<= 21;		/* multiply by 2 MiB to find size in MB */
+	return size;
+}
+
+/*
+ * get_sdr_cs_offset -
+ *  - Get offset of cs from cs0 start
+ */
+u32 get_sdr_cs_offset(u32 cs)
+{
+	u32 offset;
+
+	if (!cs)
+		return 0;
+
+	offset = readl(&sdrc_base->cs_cfg);
+	offset = (offset & 15) << 27 | (offset & 0x30) << 17;
+
+	return offset;
+}
+
+/*
+ * do_sdrc_init -
+ *  - Initialize the SDRAM for use.
+ *  - code called once in C-Stack only context for CS0 and a possible 2nd
+ *    time depending on memory configuration from stack+global context
+ */
+void do_sdrc_init(u32 cs, u32 early)
+{
+	struct sdrc_actim *sdrc_actim_base0, *sdrc_actim_base1;
+
+	if (early) {
+		/* reset sdrc controller */
+		writel(SOFTRESET, &sdrc_base->sysconfig);
+		wait_on_value(RESETDONE, RESETDONE, &sdrc_base->status,
+				12000000);
+		writel(0, &sdrc_base->sysconfig);
+
+		/* setup sdrc to ball mux */
+		writel(SDRC_SHARING, &sdrc_base->sharing);
+
+		/* Disable Power Down of CKE cuz of 1 CKE on combo part */
+		writel(WAKEUPPROC | SRFRONRESET | PAGEPOLICY_HIGH,
+				&sdrc_base->power);
+
+		writel(ENADLL | DLLPHASE_90, &sdrc_base->dlla_ctrl);
+		sdelay(0x20000);
+	}
+
+	/*
+	 * SDRC timings are set up by x-load or config header
+	 * We don't need to redo them here.
+	 * Older x-loads configure only CS0
+	 * configure CS1 to handle this ommission
+	 */
+	if (cs) {
+		sdrc_actim_base0 = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
+		sdrc_actim_base1 = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
+		writel(readl(&sdrc_base->cs[CS0].mcfg),
+			&sdrc_base->cs[CS1].mcfg);
+		writel(readl(&sdrc_base->cs[CS0].rfr_ctrl),
+			&sdrc_base->cs[CS1].rfr_ctrl);
+		writel(readl(&sdrc_actim_base0->ctrla),
+			&sdrc_actim_base1->ctrla);
+		writel(readl(&sdrc_actim_base0->ctrlb),
+			&sdrc_actim_base1->ctrlb);
+
+		writel(CMD_NOP, &sdrc_base->cs[cs].manual);
+		writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual);
+		writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
+		writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
+		writel(readl(&sdrc_base->cs[CS0].mr),
+			&sdrc_base->cs[CS1].mr);
+	}
+
+	/*
+	 * Test ram in this bank
+	 * Disable if bad or not present
+	 */
+	if (!mem_ok(cs))
+		writel(0, &sdrc_base->cs[cs].mcfg);
+}
+
+/*
+ * dram_init -
+ *  - Sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+	unsigned int size0 = 0, size1 = 0;
+
+	size0 = get_sdr_cs_size(CS0);
+	/*
+	 * If a second bank of DDR is attached to CS1 this is
+	 * where it can be started.  Early init code will init
+	 * memory on CS0.
+	 */
+	if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED)) {
+		do_sdrc_init(CS1, NOT_EARLY);
+		make_cs1_contiguous();
+
+		size1 = get_sdr_cs_size(CS1);
+	}
+	gd->ram_size = size0 + size1;
+
+	return 0;
+}
+
+void dram_init_banksize (void)
+{
+	unsigned int size0 = 0, size1 = 0;
+
+	size0 = get_sdr_cs_size(CS0);
+	size1 = get_sdr_cs_size(CS1);
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = size0;
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
+	gd->bd->bi_dram[1].size = size1;
+}
+
+/*
+ * mem_init -
+ *  - Init the sdrc chip,
+ *  - Selects CS0 and CS1,
+ */
+void mem_init(void)
+{
+	/* only init up first bank here */
+	do_sdrc_init(CS0, EARLY_INIT);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap3/sys_info.c b/u-boot/arch/arm/cpu/armv7/omap3/sys_info.c
new file mode 100644
index 0000000..549ac19
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap3/sys_info.c
@@ -0,0 +1,353 @@
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *      Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ *      Richard Woodruff <r-woodruff2@ti.com>
+ *      Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>	/* get mem tables */
+#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+
+extern omap3_sysinfo sysinfo;
+static struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+static char *rev_s[CPU_3XX_MAX_REV] = {
+				"1.0",
+				"2.0",
+				"2.1",
+				"3.0",
+				"3.1",
+				"UNKNOWN",
+				"UNKNOWN",
+				"3.1.2"};
+
+/*****************************************************************
+ * dieid_num_r(void) - read and set die ID
+ *****************************************************************/
+void dieid_num_r(void)
+{
+	struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
+	char *uid_s, die_id[34];
+	u32 id[4];
+
+	memset(die_id, 0, sizeof(die_id));
+
+	uid_s = getenv("dieid#");
+
+	if (uid_s == NULL) {
+		id[3] = readl(&id_base->die_id_0);
+		id[2] = readl(&id_base->die_id_1);
+		id[1] = readl(&id_base->die_id_2);
+		id[0] = readl(&id_base->die_id_3);
+		sprintf(die_id, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
+		setenv("dieid#", die_id);
+		uid_s = die_id;
+	}
+
+	printf("Die ID #%s\n", uid_s);
+}
+
+/******************************************
+ * get_cpu_type(void) - extract cpu info
+ ******************************************/
+u32 get_cpu_type(void)
+{
+	return readl(&ctrl_base->ctrl_omap_stat);
+}
+
+/******************************************
+ * get_cpu_id(void) - extract cpu id
+ * returns 0 for ES1.0, cpuid otherwise
+ ******************************************/
+u32 get_cpu_id(void)
+{
+	struct ctrl_id *id_base;
+	u32 cpuid = 0;
+
+	/*
+	 * On ES1.0 the IDCODE register is not exposed on L4
+	 * so using CPU ID to differentiate between ES1.0 and > ES1.0.
+	 */
+	__asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid));
+	if ((cpuid & 0xf) == 0x0) {
+		return 0;
+	} else {
+		/* Decode the IDs on > ES1.0 */
+		id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE;
+
+		cpuid = readl(&id_base->idcode);
+	}
+
+	return cpuid;
+}
+
+/******************************************
+ * get_cpu_family(void) - extract cpu info
+ ******************************************/
+u32 get_cpu_family(void)
+{
+	u16 hawkeye;
+	u32 cpu_family;
+	u32 cpuid = get_cpu_id();
+
+	if (cpuid == 0)
+		return CPU_OMAP34XX;
+
+	hawkeye = (cpuid >> HAWKEYE_SHIFT) & 0xffff;
+	switch (hawkeye) {
+	case HAWKEYE_OMAP34XX:
+		cpu_family = CPU_OMAP34XX;
+		break;
+	case HAWKEYE_AM35XX:
+		cpu_family = CPU_AM35XX;
+		break;
+	case HAWKEYE_OMAP36XX:
+		cpu_family = CPU_OMAP36XX;
+		break;
+	default:
+		cpu_family = CPU_OMAP34XX;
+	}
+
+	return cpu_family;
+}
+
+/******************************************
+ * get_cpu_rev(void) - extract version info
+ ******************************************/
+u32 get_cpu_rev(void)
+{
+	u32 cpuid = get_cpu_id();
+
+	if (cpuid == 0)
+		return CPU_3XX_ES10;
+	else
+		return (cpuid >> CPU_3XX_ID_SHIFT) & 0xf;
+}
+
+/*****************************************************************
+ * get_sku_id(void) - read sku_id to get info on max clock rate
+ *****************************************************************/
+u32 get_sku_id(void)
+{
+	struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
+	return readl(&id_base->sku_id) & SKUID_CLK_MASK;
+}
+
+/***************************************************************************
+ *  get_gpmc0_base() - Return current address hardware will be
+ *     fetching from. The below effectively gives what is correct, its a bit
+ *   mis-leading compared to the TRM.  For the most general case the mask
+ *   needs to be also taken into account this does work in practice.
+ *   - for u-boot we currently map:
+ *       -- 0 to nothing,
+ *       -- 4 to flash
+ *       -- 8 to enent
+ *       -- c to wifi
+ ****************************************************************************/
+u32 get_gpmc0_base(void)
+{
+	u32 b;
+
+	b = readl(&gpmc_cfg->cs[0].config7);
+	b &= 0x1F;		/* keep base [5:0] */
+	b = b << 24;		/* ret 0x0b000000 */
+	return b;
+}
+
+/*******************************************************************
+ * get_gpmc0_width() - See if bus is in x8 or x16 (mainly for nand)
+ *******************************************************************/
+u32 get_gpmc0_width(void)
+{
+	return WIDTH_16BIT;
+}
+
+/*************************************************************************
+ * get_board_rev() - setup to pass kernel board revision information
+ * returns:(bit[0-3] sub version, higher bit[7-4] is higher version)
+ *************************************************************************/
+u32 get_board_rev(void)
+{
+	return 0x20;
+}
+
+/********************************************************
+ *  get_base(); get upper addr of current execution
+ *******************************************************/
+u32 get_base(void)
+{
+	u32 val;
+
+	__asm__ __volatile__("mov %0, pc \n":"=r"(val)::"memory");
+	val &= 0xF0000000;
+	val >>= 28;
+	return val;
+}
+
+/********************************************************
+ *  is_running_in_flash() - tell if currently running in
+ *  FLASH.
+ *******************************************************/
+u32 is_running_in_flash(void)
+{
+	if (get_base() < 4)
+		return 1;	/* in FLASH */
+
+	return 0;		/* running in SRAM or SDRAM */
+}
+
+/********************************************************
+ *  is_running_in_sram() - tell if currently running in
+ *  SRAM.
+ *******************************************************/
+u32 is_running_in_sram(void)
+{
+	if (get_base() == 4)
+		return 1;	/* in SRAM */
+
+	return 0;		/* running in FLASH or SDRAM */
+}
+
+/********************************************************
+ *  is_running_in_sdram() - tell if currently running in
+ *  SDRAM.
+ *******************************************************/
+u32 is_running_in_sdram(void)
+{
+	if (get_base() > 4)
+		return 1;	/* in SDRAM */
+
+	return 0;		/* running in SRAM or FLASH */
+}
+
+/***************************************************************
+ *  get_boot_type() - Is this an XIP type device or a stream one
+ *  bits 4-0 specify type. Bit 5 says mem/perif
+ ***************************************************************/
+u32 get_boot_type(void)
+{
+	return (readl(&ctrl_base->status) & SYSBOOT_MASK);
+}
+
+/*************************************************************
+ *  get_device_type(): tell if GP/HS/EMU/TST
+ *************************************************************/
+u32 get_device_type(void)
+{
+	return ((readl(&ctrl_base->status) & (DEVICE_MASK)) >> 8);
+}
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+/**
+ * Print CPU information
+ */
+int print_cpuinfo (void)
+{
+	char *cpu_family_s, *cpu_s, *sec_s, *max_clk;
+
+	switch (get_cpu_family()) {
+	case CPU_OMAP34XX:
+		cpu_family_s = "OMAP";
+		switch (get_cpu_type()) {
+		case OMAP3503:
+			cpu_s = "3503";
+			break;
+		case OMAP3515:
+			cpu_s = "3515";
+			break;
+		case OMAP3525:
+			cpu_s = "3525";
+			break;
+		case OMAP3530:
+			cpu_s = "3530";
+			break;
+		default:
+			cpu_s = "35XX";
+			break;
+		}
+		if ((get_cpu_rev() >= CPU_3XX_ES31) &&
+		    (get_sku_id() == SKUID_CLK_720MHZ))
+			max_clk = "720 mHz";
+		else
+			max_clk = "600 mHz";
+
+		break;
+	case CPU_AM35XX:
+		cpu_family_s = "AM";
+		switch (get_cpu_type()) {
+		case AM3505:
+			cpu_s = "3505";
+			break;
+		case AM3517:
+			cpu_s = "3517";
+			break;
+		default:
+			cpu_s = "35XX";
+			break;
+		}
+		max_clk = "600 Mhz";
+		break;
+	case CPU_OMAP36XX:
+		cpu_family_s = "OMAP";
+		switch (get_cpu_type()) {
+		case OMAP3730:
+			cpu_s = "3630/3730";
+			break;
+		default:
+			cpu_s = "36XX/37XX";
+			break;
+		}
+		max_clk = "1 Ghz";
+		break;
+	default:
+		cpu_family_s = "OMAP";
+		cpu_s = "35XX";
+		max_clk = "600 Mhz";
+	}
+
+	switch (get_device_type()) {
+	case TST_DEVICE:
+		sec_s = "TST";
+		break;
+	case EMU_DEVICE:
+		sec_s = "EMU";
+		break;
+	case HS_DEVICE:
+		sec_s = "HS";
+		break;
+	case GP_DEVICE:
+		sec_s = "GP";
+		break;
+	default:
+		sec_s = "?";
+	}
+
+	printf("%s%s-%s ES%s, CPU-OPP2, L3-165MHz, Max CPU Clock %s\n",
+			cpu_family_s, cpu_s, sec_s,
+			rev_s[get_cpu_rev()], max_clk);
+
+	return 0;
+}
+#endif	/* CONFIG_DISPLAY_CPUINFO */
diff --git a/u-boot/arch/arm/cpu/armv7/omap4/Makefile b/u-boot/arch/arm/cpu/armv7/omap4/Makefile
new file mode 100644
index 0000000..987dc9d
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap4/Makefile
@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2000-2010
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	=  $(obj)lib$(SOC).o
+
+SOBJS	+= lowlevel_init.o
+
+COBJS	+= board.o
+COBJS	+= mem.o
+COBJS	+= sys_info.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all:	 $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/omap4/board.c b/u-boot/arch/arm/cpu/armv7/omap4/board.c
new file mode 100644
index 0000000..fcd29a7
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap4/board.c
@@ -0,0 +1,129 @@
+/*
+ *
+ * Common functions for OMAP4 based boards
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *	Aneesh V	<aneesh@ti.com>
+ *	Steve Sakoman	<steve@sakoman.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/sizes.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ *              - Called path is with SRAM stack.
+ */
+void s_init(void)
+{
+	watchdog_init();
+}
+
+/*
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ */
+void wait_for_command_complete(struct watchdog *wd_base)
+{
+	int pending = 1;
+	do {
+		pending = readl(&wd_base->wwps);
+	} while (pending);
+}
+
+/*
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ */
+void watchdog_init(void)
+{
+	struct watchdog *wd2_base = (struct watchdog *)WDT2_BASE;
+
+	writel(WD_UNLOCK1, &wd2_base->wspr);
+	wait_for_command_complete(wd2_base);
+	writel(WD_UNLOCK2, &wd2_base->wspr);
+}
+
+
+/*
+ * This function finds the SDRAM size available in the system
+ * based on DMM section configurations
+ * This is needed because the size of memory installed may be
+ * different on different versions of the board
+ */
+u32 sdram_size(void)
+{
+	u32 section, i, total_size = 0, size, addr;
+	for (i = 0; i < 4; i++) {
+		section	= __raw_readl(DMM_LISA_MAP_BASE + i*4);
+		addr = section & DMM_LISA_MAP_SYS_ADDR_MASK;
+		/* See if the address is valid */
+		if ((addr >= OMAP44XX_DRAM_ADDR_SPACE_START) &&
+		    (addr < OMAP44XX_DRAM_ADDR_SPACE_END)) {
+			size	= ((section & DMM_LISA_MAP_SYS_SIZE_MASK) >>
+				    DMM_LISA_MAP_SYS_SIZE_SHIFT);
+			size	= 1 << size;
+			size	*= SZ_16M;
+			total_size += size;
+		}
+	}
+	return total_size;
+}
+
+
+/*
+ * Routine: dram_init
+ * Description: sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+
+	gd->ram_size = sdram_size();
+
+	return 0;
+}
+
+/*
+ * Print board information
+ */
+int checkboard(void)
+{
+	puts(sysinfo.board_string);
+	return 0;
+}
+
+/*
+* This function is called by start_armboot. You can reliably use static
+* data. Any boot-time function that require static data should be
+* called from here
+*/
+int arch_cpu_init(void)
+{
+	set_muxconf_regs();
+	return 0;
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap4/lowlevel_init.S b/u-boot/arch/arm/cpu/armv7/omap4/lowlevel_init.S
new file mode 100644
index 0000000..026dfa4
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap4/lowlevel_init.S
@@ -0,0 +1,47 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *	Aneesh V	<aneesh@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/omap4.h>
+
+.globl lowlevel_init
+lowlevel_init:
+	/*
+	 * Setup a temporary stack
+	 */
+	ldr	sp, =LOW_LEVEL_SRAM_STACK
+
+	/*
+	 * Save the old lr(passed in ip) and the current lr to stack
+	 */
+	push	{ip, lr}
+
+	/*
+	 * go setup pll, mux, memory
+	 */
+	bl	s_init
+	pop	{ip, pc}
diff --git a/u-boot/arch/arm/cpu/armv7/omap4/mem.c b/u-boot/arch/arm/cpu/armv7/omap4/mem.c
new file mode 100644
index 0000000..878f0e3
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap4/mem.c
@@ -0,0 +1,45 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+
+struct gpmc *gpmc_cfg;
+
+/*****************************************************
+ * gpmc_init(): init gpmc bus
+ * This code can only be executed from SRAM or SDRAM.
+ *****************************************************/
+void gpmc_init(void)
+{
+	gpmc_cfg = (struct gpmc *)GPMC_BASE;
+
+	/* global settings */
+	writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
+	writel(0, &gpmc_cfg->timeout_control);/* timeout disable */
+
+	/*
+	 * Disable the GPMC0 config set by ROM code
+	 * It conflicts with our MPDB (both at 0x08000000)
+	 */
+	writel(0, &gpmc_cfg->cs[0].config7);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/omap4/sys_info.c b/u-boot/arch/arm/cpu/armv7/omap4/sys_info.c
new file mode 100644
index 0000000..b9e5765
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/omap4/sys_info.c
@@ -0,0 +1,53 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *	Aneesh V	<aneesh@ti.com>
+ *	Steve Sakoman	<steve@sakoman.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+
+/*
+ *  get_device_type(): tell if GP/HS/EMU/TST
+ */
+u32 get_device_type(void)
+{
+	return 0;
+}
+
+/*
+ * get_board_rev() - get board revision
+ */
+u32 get_board_rev(void)
+{
+	return 0x20;
+}
+
+/*
+ * Print CPU information
+ */
+int print_cpuinfo(void)
+{
+
+	puts("CPU  : OMAP4430\n");
+
+	return 0;
+}
diff --git a/u-boot/arch/arm/cpu/armv7/s5p-common/Makefile b/u-boot/arch/arm/cpu/armv7/s5p-common/Makefile
new file mode 100644
index 0000000..922cd95
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5p-common/Makefile
@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2009 Samsung Electronics
+# Minkyu Kang <mk7.kang@samsung.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)libs5p-common.o
+
+COBJS-y		+= cpu_info.o
+COBJS-y		+= timer.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y) $(SOBJS))
+
+all:	 $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/s5p-common/cpu_info.c b/u-boot/arch/arm/cpu/armv7/s5p-common/cpu_info.c
new file mode 100644
index 0000000..c8a543a
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5p-common/cpu_info.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+
+/* Default is s5pc100 */
+unsigned int s5p_cpu_id = 0xC100;
+
+#ifdef CONFIG_ARCH_CPU_INIT
+int arch_cpu_init(void)
+{
+	s5p_set_cpu_id();
+
+	return 0;
+}
+#endif
+
+u32 get_device_type(void)
+{
+	return s5p_cpu_id;
+}
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+int print_cpuinfo(void)
+{
+	char buf[32];
+
+	printf("CPU:\tS5P%X@%sMHz\n",
+			s5p_cpu_id, strmhz(buf, get_arm_clk()));
+
+	return 0;
+}
+#endif
diff --git a/u-boot/arch/arm/cpu/armv7/s5p-common/timer.c b/u-boot/arch/arm/cpu/armv7/s5p-common/timer.c
new file mode 100644
index 0000000..651fd5d
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5p-common/timer.c
@@ -0,0 +1,192 @@
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Heungjun Kim <riverful.kim@samsung.com>
+ * Inki Dae <inki.dae@samsung.com>
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pwm.h>
+#include <asm/arch/clk.h>
+
+#define PRESCALER_1		(16 - 1)	/* prescaler of timer 2, 3, 4 */
+#define MUX_DIV_2		1		/* 1/2 period */
+#define MUX_DIV_4		2		/* 1/4 period */
+#define MUX_DIV_8		3		/* 1/8 period */
+#define MUX_DIV_16		4		/* 1/16 period */
+#define MUX4_DIV_SHIFT		16
+
+#define TCON_TIMER4_SHIFT	20
+
+static unsigned long count_value;
+
+/* Internal tick units */
+static unsigned long long timestamp;	/* Monotonic incrementing timer */
+static unsigned long lastdec;		/* Last decremneter snapshot */
+
+/* macro to read the 16 bit timer */
+static inline struct s5p_timer *s5p_get_base_timer(void)
+{
+	return (struct s5p_timer *)samsung_get_base_timer();
+}
+
+int timer_init(void)
+{
+	struct s5p_timer *const timer = s5p_get_base_timer();
+	u32 val;
+
+	/*
+	 * @ PWM Timer 4
+	 * Timer Freq(HZ) =
+	 *	PWM_CLK / { (prescaler_value + 1) * (divider_value) }
+	 */
+
+	/* set prescaler : 16 */
+	/* set divider : 2 */
+	writel((PRESCALER_1 & 0xff) << 8, &timer->tcfg0);
+	writel((MUX_DIV_2 & 0xf) << MUX4_DIV_SHIFT, &timer->tcfg1);
+
+	/* count_value = 2085937.5(HZ) (per 1 sec)*/
+	count_value = get_pwm_clk() / ((PRESCALER_1 + 1) *
+			(MUX_DIV_2 + 1));
+
+	/* count_value / 100 = 20859.375(HZ) (per 10 msec) */
+	count_value = count_value / 100;
+
+	/* set count value */
+	writel(count_value, &timer->tcntb4);
+	lastdec = count_value;
+
+	val = (readl(&timer->tcon) & ~(0x07 << TCON_TIMER4_SHIFT)) |
+		TCON4_AUTO_RELOAD;
+
+	/* auto reload & manual update */
+	writel(val | TCON4_UPDATE, &timer->tcon);
+
+	/* start PWM timer 4 */
+	writel(val | TCON4_START, &timer->tcon);
+
+	timestamp = 0;
+
+	return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+unsigned long get_timer(unsigned long base)
+{
+	return get_timer_masked() - base;
+}
+
+void set_timer(unsigned long t)
+{
+	timestamp = t;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+	struct s5p_timer *const timer = s5p_get_base_timer();
+	unsigned long tmo, tmp;
+
+	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 / 10);
+		tmo /= 1000;
+	} else {
+		/* else small number, don't kill it prior to HZ multiply */
+		tmo = usec * CONFIG_SYS_HZ * count_value / 10;
+		tmo /= (1000 * 1000);
+	}
+
+	/* get current timestamp */
+	tmp = get_timer(0);
+
+	/* if setting this fordward will roll time stamp */
+	/* reset "advancing" timestamp to 0, set lastdec value */
+	/* else, set advancing stamp wake up time */
+	if ((tmo + tmp + 1) < tmp)
+		reset_timer_masked();
+	else
+		tmo += tmp;
+
+	/* loop till event */
+	while (get_timer_masked() < tmo)
+		;	/* nop */
+}
+
+void reset_timer_masked(void)
+{
+	struct s5p_timer *const timer = s5p_get_base_timer();
+
+	/* reset time */
+	lastdec = readl(&timer->tcnto4);
+	timestamp = 0;
+}
+
+unsigned long get_timer_masked(void)
+{
+	struct s5p_timer *const timer = s5p_get_base_timer();
+	unsigned long now = readl(&timer->tcnto4);
+
+	if (lastdec >= now)
+		timestamp += lastdec - now;
+	else
+		timestamp += lastdec + count_value - now;
+
+	lastdec = now;
+
+	return timestamp;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+unsigned long get_tbclk(void)
+{
+	return CONFIG_SYS_HZ;
+}
diff --git a/u-boot/arch/arm/cpu/armv7/s5pc1xx/Makefile b/u-boot/arch/arm/cpu/armv7/s5pc1xx/Makefile
new file mode 100644
index 0000000..b182bf5
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5pc1xx/Makefile
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+SOBJS	= cache.o
+SOBJS	+= reset.o
+
+COBJS	+= clock.o
+COBJS	+= sromc.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all:	 $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/s5pc1xx/cache.S b/u-boot/arch/arm/cpu/armv7/s5pc1xx/cache.S
new file mode 100644
index 0000000..7734b32
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5pc1xx/cache.S
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * based on arch/arm/cpu/armv7/omap3/cache.S
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/cpu.h>
+
+.align 5
+.global invalidate_dcache
+.global l2_cache_enable
+.global l2_cache_disable
+
+/*
+ * invalidate_dcache()
+ * Invalidate the whole D-cache.
+ *
+ * Corrupted registers: r0-r5, r7, r9-r11
+ */
+invalidate_dcache:
+	stmfd	r13!, {r0 - r5, r7, r9 - r12, r14}
+
+	cmp	r0, #0xC100			@ check if the cpu is s5pc100
+
+	beq	finished_inval			@ s5pc100 doesn't need this
+						@ routine
+	mrc	p15, 1, r0, c0, c0, 1		@ read clidr
+	ands	r3, r0, #0x7000000		@ extract loc from clidr
+	mov	r3, r3, lsr #23			@ left align loc bit field
+	beq	finished_inval			@ if loc is 0, then no need to
+						@ clean
+	mov	r10, #0				@ start clean at cache level 0
+inval_loop1:
+	add	r2, r10, r10, lsr #1		@ work out 3x current cache
+						@ level
+	mov	r1, r0, lsr r2			@ extract cache type bits from
+						@ clidr
+	and	r1, r1, #7			@ mask of the bits for current
+						@ cache only
+	cmp	r1, #2				@ see what cache we have at
+						@ this level
+	blt	skip_inval			@ skip if no cache, or just
+						@ i-cache
+	mcr	p15, 2, r10, c0, c0, 0		@ select current cache level
+						@ in cssr
+	mov	r2, #0				@ operand for mcr SBZ
+	mcr	p15, 0, r2, c7, c5, 4		@ flush prefetch buffer to
+						@ sych the new cssr&csidr,
+						@ with armv7 this is 'isb',
+						@ but we compile with armv5
+	mrc	p15, 1, r1, c0, c0, 0		@ read the new csidr
+	and	r2, r1, #7			@ extract the length of the
+						@ cache lines
+	add	r2, r2, #4			@ add 4 (line length offset)
+	ldr	r4, =0x3ff
+	ands	r4, r4, r1, lsr #3		@ find maximum number on the
+						@ way size
+	clz	r5, r4				@ find bit position of way
+						@ size increment
+	ldr	r7, =0x7fff
+	ands	r7, r7, r1, lsr #13		@ extract max number of the
+						@ index size
+inval_loop2:
+	mov	r9, r4				@ create working copy of max
+						@ way size
+inval_loop3:
+	orr	r11, r10, r9, lsl r5		@ factor way and cache number
+						@ into r11
+	orr	r11, r11, r7, lsl r2		@ factor index number into r11
+	mcr	p15, 0, r11, c7, c6, 2		@ invalidate by set/way
+	subs	r9, r9, #1			@ decrement the way
+	bge	inval_loop3
+	subs	r7, r7, #1			@ decrement the index
+	bge	inval_loop2
+skip_inval:
+	add	r10, r10, #2			@ increment cache number
+	cmp	r3, r10
+	bgt	inval_loop1
+finished_inval:
+	mov	r10, #0				@ swith back to cache level 0
+	mcr	p15, 2, r10, c0, c0, 0		@ select current cache level
+						@ in cssr
+	mcr	p15, 0, r10, c7, c5, 4		@ flush prefetch buffer,
+						@ with armv7 this is 'isb',
+						@ but we compile with armv5
+
+	ldmfd	r13!, {r0 - r5, r7, r9 - r12, pc}
+
+l2_cache_enable:
+	push	{r0, r1, r2, lr}
+	mrc	15, 0, r3, cr1, cr0, 1
+	orr	r3, r3, #2
+	mcr	15, 0, r3, cr1, cr0, 1
+	pop	{r1, r2, r3, pc}
+
+l2_cache_disable:
+	push	{r0, r1, r2, lr}
+	mrc	15, 0, r3, cr1, cr0, 1
+	bic	r3, r3, #2
+	mcr	15, 0, r3, cr1, cr0, 1
+	pop	{r1, r2, r3, pc}
diff --git a/u-boot/arch/arm/cpu/armv7/s5pc1xx/clock.c b/u-boot/arch/arm/cpu/armv7/s5pc1xx/clock.c
new file mode 100644
index 0000000..e92647c
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5pc1xx/clock.c
@@ -0,0 +1,338 @@
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Heungjun Kim <riverful.kim@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/clk.h>
+
+#define CLK_M	0
+#define CLK_D	1
+#define CLK_P	2
+
+#ifndef CONFIG_SYS_CLK_FREQ_C100
+#define CONFIG_SYS_CLK_FREQ_C100	12000000
+#endif
+#ifndef CONFIG_SYS_CLK_FREQ_C110
+#define CONFIG_SYS_CLK_FREQ_C110	24000000
+#endif
+
+/* s5pc110: return pll clock frequency */
+static unsigned long s5pc100_get_pll_clk(int pllreg)
+{
+	struct s5pc100_clock *clk =
+		(struct s5pc100_clock *)samsung_get_base_clock();
+	unsigned long r, m, p, s, mask, fout;
+	unsigned int freq;
+
+	switch (pllreg) {
+	case APLL:
+		r = readl(&clk->apll_con);
+		break;
+	case MPLL:
+		r = readl(&clk->mpll_con);
+		break;
+	case EPLL:
+		r = readl(&clk->epll_con);
+		break;
+	case HPLL:
+		r = readl(&clk->hpll_con);
+		break;
+	default:
+		printf("Unsupported PLL (%d)\n", pllreg);
+		return 0;
+	}
+
+	/*
+	 * APLL_CON: MIDV [25:16]
+	 * MPLL_CON: MIDV [23:16]
+	 * EPLL_CON: MIDV [23:16]
+	 * HPLL_CON: MIDV [23:16]
+	 */
+	if (pllreg == APLL)
+		mask = 0x3ff;
+	else
+		mask = 0x0ff;
+
+	m = (r >> 16) & mask;
+
+	/* PDIV [13:8] */
+	p = (r >> 8) & 0x3f;
+	/* SDIV [2:0] */
+	s = r & 0x7;
+
+	/* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
+	freq = CONFIG_SYS_CLK_FREQ_C100;
+	fout = m * (freq / (p * (1 << s)));
+
+	return fout;
+}
+
+/* s5pc100: return pll clock frequency */
+static unsigned long s5pc110_get_pll_clk(int pllreg)
+{
+	struct s5pc110_clock *clk =
+		(struct s5pc110_clock *)samsung_get_base_clock();
+	unsigned long r, m, p, s, mask, fout;
+	unsigned int freq;
+
+	switch (pllreg) {
+	case APLL:
+		r = readl(&clk->apll_con);
+		break;
+	case MPLL:
+		r = readl(&clk->mpll_con);
+		break;
+	case EPLL:
+		r = readl(&clk->epll_con);
+		break;
+	case VPLL:
+		r = readl(&clk->vpll_con);
+		break;
+	default:
+		printf("Unsupported PLL (%d)\n", pllreg);
+		return 0;
+	}
+
+	/*
+	 * APLL_CON: MIDV [25:16]
+	 * MPLL_CON: MIDV [25:16]
+	 * EPLL_CON: MIDV [24:16]
+	 * VPLL_CON: MIDV [24:16]
+	 */
+	if (pllreg == APLL || pllreg == MPLL)
+		mask = 0x3ff;
+	else
+		mask = 0x1ff;
+
+	m = (r >> 16) & mask;
+
+	/* PDIV [13:8] */
+	p = (r >> 8) & 0x3f;
+	/* SDIV [2:0] */
+	s = r & 0x7;
+
+	freq = CONFIG_SYS_CLK_FREQ_C110;
+	if (pllreg == APLL) {
+		if (s < 1)
+			s = 1;
+		/* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */
+		fout = m * (freq / (p * (1 << (s - 1))));
+	} else
+		/* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
+		fout = m * (freq / (p * (1 << s)));
+
+	return fout;
+}
+
+/* s5pc110: return ARM clock frequency */
+static unsigned long s5pc110_get_arm_clk(void)
+{
+	struct s5pc110_clock *clk =
+		(struct s5pc110_clock *)samsung_get_base_clock();
+	unsigned long div;
+	unsigned long dout_apll, armclk;
+	unsigned int apll_ratio;
+
+	div = readl(&clk->div0);
+
+	/* APLL_RATIO: [2:0] */
+	apll_ratio = div & 0x7;
+
+	dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
+	armclk = dout_apll;
+
+	return armclk;
+}
+
+/* s5pc100: return ARM clock frequency */
+static unsigned long s5pc100_get_arm_clk(void)
+{
+	struct s5pc100_clock *clk =
+		(struct s5pc100_clock *)samsung_get_base_clock();
+	unsigned long div;
+	unsigned long dout_apll, armclk;
+	unsigned int apll_ratio, arm_ratio;
+
+	div = readl(&clk->div0);
+
+	/* ARM_RATIO: [6:4] */
+	arm_ratio = (div >> 4) & 0x7;
+	/* APLL_RATIO: [0] */
+	apll_ratio = div & 0x1;
+
+	dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
+	armclk = dout_apll / (arm_ratio + 1);
+
+	return armclk;
+}
+
+/* s5pc100: return HCLKD0 frequency */
+static unsigned long get_hclk(void)
+{
+	struct s5pc100_clock *clk =
+		(struct s5pc100_clock *)samsung_get_base_clock();
+	unsigned long hclkd0;
+	uint div, d0_bus_ratio;
+
+	div = readl(&clk->div0);
+	/* D0_BUS_RATIO: [10:8] */
+	d0_bus_ratio = (div >> 8) & 0x7;
+
+	hclkd0 = get_arm_clk() / (d0_bus_ratio + 1);
+
+	return hclkd0;
+}
+
+/* s5pc100: return PCLKD1 frequency */
+static unsigned long get_pclkd1(void)
+{
+	struct s5pc100_clock *clk =
+		(struct s5pc100_clock *)samsung_get_base_clock();
+	unsigned long d1_bus, pclkd1;
+	uint div, d1_bus_ratio, pclkd1_ratio;
+
+	div = readl(&clk->div0);
+	/* D1_BUS_RATIO: [14:12] */
+	d1_bus_ratio = (div >> 12) & 0x7;
+	/* PCLKD1_RATIO: [18:16] */
+	pclkd1_ratio = (div >> 16) & 0x7;
+
+	/* ASYNC Mode */
+	d1_bus = get_pll_clk(MPLL) / (d1_bus_ratio + 1);
+	pclkd1 = d1_bus / (pclkd1_ratio + 1);
+
+	return pclkd1;
+}
+
+/* s5pc110: return HCLKs frequency */
+static unsigned long get_hclk_sys(int dom)
+{
+	struct s5pc110_clock *clk =
+		(struct s5pc110_clock *)samsung_get_base_clock();
+	unsigned long hclk;
+	unsigned int div;
+	unsigned int offset;
+	unsigned int hclk_sys_ratio;
+
+	if (dom == CLK_M)
+		return get_hclk();
+
+	div = readl(&clk->div0);
+
+	/*
+	 * HCLK_MSYS_RATIO: [10:8]
+	 * HCLK_DSYS_RATIO: [19:16]
+	 * HCLK_PSYS_RATIO: [27:24]
+	 */
+	offset = 8 + (dom << 0x3);
+
+	hclk_sys_ratio = (div >> offset) & 0xf;
+
+	hclk = get_pll_clk(MPLL) / (hclk_sys_ratio + 1);
+
+	return hclk;
+}
+
+/* s5pc110: return PCLKs frequency */
+static unsigned long get_pclk_sys(int dom)
+{
+	struct s5pc110_clock *clk =
+		(struct s5pc110_clock *)samsung_get_base_clock();
+	unsigned long pclk;
+	unsigned int div;
+	unsigned int offset;
+	unsigned int pclk_sys_ratio;
+
+	div = readl(&clk->div0);
+
+	/*
+	 * PCLK_MSYS_RATIO: [14:12]
+	 * PCLK_DSYS_RATIO: [22:20]
+	 * PCLK_PSYS_RATIO: [30:28]
+	 */
+	offset = 12 + (dom << 0x3);
+
+	pclk_sys_ratio = (div >> offset) & 0x7;
+
+	pclk = get_hclk_sys(dom) / (pclk_sys_ratio + 1);
+
+	return pclk;
+}
+
+/* s5pc110: return peripheral clock frequency */
+static unsigned long s5pc110_get_pclk(void)
+{
+	return get_pclk_sys(CLK_P);
+}
+
+/* s5pc100: return peripheral clock frequency */
+static unsigned long s5pc100_get_pclk(void)
+{
+	return get_pclkd1();
+}
+
+/* s5pc1xx: return uart clock frequency */
+static unsigned long s5pc1xx_get_uart_clk(int dev_index)
+{
+	if (cpu_is_s5pc110())
+		return s5pc110_get_pclk();
+	else
+		return s5pc100_get_pclk();
+}
+
+/* s5pc1xx: return pwm clock frequency */
+static unsigned long s5pc1xx_get_pwm_clk(void)
+{
+	if (cpu_is_s5pc110())
+		return s5pc110_get_pclk();
+	else
+		return s5pc100_get_pclk();
+}
+
+unsigned long get_pll_clk(int pllreg)
+{
+	if (cpu_is_s5pc110())
+		return s5pc110_get_pll_clk(pllreg);
+	else
+		return s5pc100_get_pll_clk(pllreg);
+}
+
+unsigned long get_arm_clk(void)
+{
+	if (cpu_is_s5pc110())
+		return s5pc110_get_arm_clk();
+	else
+		return s5pc100_get_arm_clk();
+}
+
+unsigned long get_pwm_clk(void)
+{
+	return s5pc1xx_get_pwm_clk();
+}
+
+unsigned long get_uart_clk(int dev_index)
+{
+	return s5pc1xx_get_uart_clk(dev_index);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/s5pc1xx/reset.S b/u-boot/arch/arm/cpu/armv7/s5pc1xx/reset.S
new file mode 100644
index 0000000..70fa146
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5pc1xx/reset.S
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/cpu.h>
+
+#define S5PC100_SWRESET			0xE0200000
+#define S5PC110_SWRESET			0xE0102000
+
+.globl reset_cpu
+reset_cpu:
+	ldr	r1, =S5PC100_PRO_ID
+	ldr	r2, [r1]
+	ldr	r4, =0x00010000
+	and	r4, r2, r4
+	cmp	r4, #0
+	bne	110f
+	/* S5PC100 */
+	ldr	r1, =S5PC100_SWRESET
+	ldr	r2, =0xC100
+	b	200f
+110:	/* S5PC110 */
+	ldr	r1, =S5PC110_SWRESET
+	mov	r2, #1
+200:
+	str	r2, [r1]
+_loop_forever:
+	b	_loop_forever
diff --git a/u-boot/arch/arm/cpu/armv7/s5pc1xx/sromc.c b/u-boot/arch/arm/cpu/armv7/s5pc1xx/sromc.c
new file mode 100644
index 0000000..044d122
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5pc1xx/sromc.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2010 Samsung Electronics
+ * Naveen Krishna Ch <ch.naveen@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/smc.h>
+
+/*
+ * s5pc1xx_config_sromc() - select the proper SROMC Bank and configure the
+ * 		    band width control and bank control registers
+ * srom_bank	- SROM Bank 0 to 5
+ * smc_bw_conf  - SMC Band witdh reg configuration value
+ * smc_bc_conf  - SMC Bank Control reg configuration value
+ */
+void s5pc1xx_config_sromc(u32 srom_bank, u32 smc_bw_conf, u32 smc_bc_conf)
+{
+	u32 tmp;
+	struct s5pc1xx_smc *srom =
+		(struct s5pc1xx_smc *)samsung_get_base_sromc();
+
+	/* Configure SMC_BW register to handle proper SROMC bank */
+	tmp = srom->bw;
+	tmp &= ~(0xF << (srom_bank * 4));
+	tmp |= smc_bw_conf;
+	srom->bw = tmp;
+
+	/* Configure SMC_BC register */
+	srom->bc[srom_bank] = smc_bc_conf;
+}
diff --git a/u-boot/arch/arm/cpu/armv7/s5pc2xx/Makefile b/u-boot/arch/arm/cpu/armv7/s5pc2xx/Makefile
new file mode 100644
index 0000000..124c380
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5pc2xx/Makefile
@@ -0,0 +1,42 @@
+#
+# Copyright (C) 2009 Samsung Electronics
+# Minkyu Kang <mk7.kang@samsung.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS	+= clock.o soc.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all:	 $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/s5pc2xx/clock.c b/u-boot/arch/arm/cpu/armv7/s5pc2xx/clock.c
new file mode 100644
index 0000000..450a630
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5pc2xx/clock.c
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2010 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/clk.h>
+
+#ifndef CONFIG_SYS_CLK_FREQ_C210
+#define CONFIG_SYS_CLK_FREQ_C210	24000000
+#endif
+
+/* s5pc210: return pll clock frequency */
+static unsigned long s5pc210_get_pll_clk(int pllreg)
+{
+	struct s5pc210_clock *clk =
+		(struct s5pc210_clock *)samsung_get_base_clock();
+	unsigned long r, m, p, s, k = 0, mask, fout;
+	unsigned int freq;
+
+	switch (pllreg) {
+	case APLL:
+		r = readl(&clk->apll_con0);
+		break;
+	case MPLL:
+		r = readl(&clk->mpll_con0);
+		break;
+	case EPLL:
+		r = readl(&clk->epll_con0);
+		k = readl(&clk->epll_con1);
+		break;
+	case VPLL:
+		r = readl(&clk->vpll_con0);
+		k = readl(&clk->vpll_con1);
+		break;
+	default:
+		printf("Unsupported PLL (%d)\n", pllreg);
+		return 0;
+	}
+
+	/*
+	 * APLL_CON: MIDV [25:16]
+	 * MPLL_CON: MIDV [25:16]
+	 * EPLL_CON: MIDV [24:16]
+	 * VPLL_CON: MIDV [24:16]
+	 */
+	if (pllreg == APLL || pllreg == MPLL)
+		mask = 0x3ff;
+	else
+		mask = 0x1ff;
+
+	m = (r >> 16) & mask;
+
+	/* PDIV [13:8] */
+	p = (r >> 8) & 0x3f;
+	/* SDIV [2:0] */
+	s = r & 0x7;
+
+	freq = CONFIG_SYS_CLK_FREQ_C210;
+
+	if (pllreg == EPLL) {
+		k = k & 0xffff;
+		/* FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV) */
+		fout = (m + k / 65536) * (freq / (p * (1 << s)));
+	} else if (pllreg == VPLL) {
+		k = k & 0xfff;
+		/* FOUT = (MDIV + K / 1024) * FIN / (PDIV * 2^SDIV) */
+		fout = (m + k / 1024) * (freq / (p * (1 << s)));
+	} else {
+		if (s < 1)
+			s = 1;
+		/* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */
+		fout = m * (freq / (p * (1 << (s - 1))));
+	}
+
+	return fout;
+}
+
+/* s5pc210: return ARM clock frequency */
+static unsigned long s5pc210_get_arm_clk(void)
+{
+	struct s5pc210_clock *clk =
+		(struct s5pc210_clock *)samsung_get_base_clock();
+	unsigned long div;
+	unsigned long dout_apll;
+	unsigned int apll_ratio;
+
+	div = readl(&clk->div_cpu0);
+
+	/* APLL_RATIO: [26:24] */
+	apll_ratio = (div >> 24) & 0x7;
+
+	dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
+
+	return dout_apll;
+}
+
+/* s5pc210: return pwm clock frequency */
+static unsigned long s5pc210_get_pwm_clk(void)
+{
+	struct s5pc210_clock *clk =
+		(struct s5pc210_clock *)samsung_get_base_clock();
+	unsigned long pclk, sclk;
+	unsigned int sel;
+	unsigned int ratio;
+
+	/*
+	 * CLK_SRC_PERIL0
+	 * PWM_SEL [27:24]
+	 */
+	sel = readl(&clk->src_peril0);
+	sel = (sel >> 24) & 0xf;
+
+	if (sel == 0x6)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x7)
+		sclk = get_pll_clk(EPLL);
+	else if (sel == 0x8)
+		sclk = get_pll_clk(VPLL);
+	else
+		return 0;
+
+	/*
+	 * CLK_DIV_PERIL3
+	 * PWM_RATIO [3:0]
+	 */
+	ratio = readl(&clk->div_peril3);
+	ratio = ratio & 0xf;
+
+	pclk = sclk / (ratio + 1);
+
+	return pclk;
+}
+
+/* s5pc210: return uart clock frequency */
+static unsigned long s5pc210_get_uart_clk(int dev_index)
+{
+	struct s5pc210_clock *clk =
+		(struct s5pc210_clock *)samsung_get_base_clock();
+	unsigned long uclk, sclk;
+	unsigned int sel;
+	unsigned int ratio;
+
+	/*
+	 * CLK_SRC_PERIL0
+	 * UART0_SEL [3:0]
+	 * UART1_SEL [7:4]
+	 * UART2_SEL [8:11]
+	 * UART3_SEL [12:15]
+	 * UART4_SEL [16:19]
+	 * UART5_SEL [23:20]
+	 */
+	sel = readl(&clk->src_peril0);
+	sel = (sel >> (dev_index << 2)) & 0xf;
+
+	if (sel == 0x6)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x7)
+		sclk = get_pll_clk(EPLL);
+	else if (sel == 0x8)
+		sclk = get_pll_clk(VPLL);
+	else
+		return 0;
+
+	/*
+	 * CLK_DIV_PERIL0
+	 * UART0_RATIO [3:0]
+	 * UART1_RATIO [7:4]
+	 * UART2_RATIO [8:11]
+	 * UART3_RATIO [12:15]
+	 * UART4_RATIO [16:19]
+	 * UART5_RATIO [23:20]
+	 */
+	ratio = readl(&clk->div_peril0);
+	ratio = (ratio >> (dev_index << 2)) & 0xf;
+
+	uclk = sclk / (ratio + 1);
+
+	return uclk;
+}
+
+unsigned long get_pll_clk(int pllreg)
+{
+	return s5pc210_get_pll_clk(pllreg);
+}
+
+unsigned long get_arm_clk(void)
+{
+	return s5pc210_get_arm_clk();
+}
+
+unsigned long get_pwm_clk(void)
+{
+	return s5pc210_get_pwm_clk();
+}
+
+unsigned long get_uart_clk(int dev_index)
+{
+	return s5pc210_get_uart_clk(dev_index);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/s5pc2xx/soc.c b/u-boot/arch/arm/cpu/armv7/s5pc2xx/soc.c
new file mode 100644
index 0000000..dcfcec2
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/s5pc2xx/soc.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2010 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+void reset_cpu(ulong addr)
+{
+	writel(0x1, samsung_get_base_swreset());
+}
diff --git a/u-boot/arch/arm/cpu/armv7/start.S b/u-boot/arch/arm/cpu/armv7/start.S
new file mode 100644
index 0000000..cb4f92f
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/start.S
@@ -0,0 +1,485 @@
+/*
+ * armboot - Startup Code for OMAP3530/ARM Cortex 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>
+ * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <version.h>
+
+.globl _start
+_start: b	reset
+	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 */
+.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
+ *
+ *************************************************************************/
+
+.globl _TEXT_BASE
+_TEXT_BASE:
+	.word	CONFIG_SYS_TEXT_BASE
+
+/*
+ * These are defined in the board-specific linker script.
+ */
+.globl _bss_start_ofs
+_bss_start_ofs:
+	.word __bss_start - _start
+
+.globl _bss_end_ofs
+_bss_end_ofs:
+	.word _end - _start
+
+#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
+
+#if (CONFIG_OMAP34XX)
+	/* Copy vectors to mask ROM indirect addr */
+	adr	r0, _start		@ r0 <- current position of code
+	add	r0, r0, #4		@ skip reset vector
+	mov	r2, #64			@ r2 <- size to copy
+	add	r2, r0, r2		@ r2 <- source end address
+	mov	r1, #SRAM_OFFSET0	@ build vect addr
+	mov	r3, #SRAM_OFFSET1
+	add	r1, r1, r3
+	mov	r3, #SRAM_OFFSET2
+	add	r1, r1, r3
+next:
+	ldmia	r0!, {r3 - r10}		@ copy from source address [r0]
+	stmia	r1!, {r3 - r10}		@ copy to   target address [r1]
+	cmp	r0, r2			@ until source end address [r2]
+	bne	next			@ loop until equal */
+#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT)
+	/* No need to copy/exec the clock code - DPLL adjust already done
+	 * in NAND/oneNAND Boot.
+	 */
+	bl	cpy_clk_code		@ put dpll adjust code behind vectors
+#endif /* NAND Boot */
+#endif
+	/* the mask ROM code should have PLL and others stable */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+	bl	cpu_init_crit
+#endif
+
+/* Set stackpointer in internal RAM to call board_init_f */
+call_board_init_f:
+	ldr	sp, =(CONFIG_SYS_INIT_SP_ADDR)
+	bic	sp, sp, #7 /* 8-byte alignment for ABI compliance */
+	ldr	r0,=0x00000000
+	bl	board_init_f
+
+/*------------------------------------------------------------------------------*/
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ */
+	.globl	relocate_code
+relocate_code:
+	mov	r4, r0	/* save addr_sp */
+	mov	r5, r1	/* save addr of gd */
+	mov	r6, r2	/* save addr of destination */
+
+	/* Set up the stack						    */
+stack_setup:
+	mov	sp, r4
+
+	adr	r0, _start
+#ifndef CONFIG_PRELOADER
+	cmp	r0, r6
+	beq	clear_bss		/* skip relocation */
+#endif
+	mov	r1, r6			/* r1 <- scratch for copy_loop */
+	ldr	r3, _bss_start_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]    */
+	cmp	r0, r2			/* until source end address [r2]    */
+	blo	copy_loop
+
+#ifndef CONFIG_PRELOADER
+	/*
+	 * 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 */
+	add	r2, r2, r0		/* r2 <- rel dyn start in FLASH */
+	ldr	r3, _rel_dyn_end_ofs	/* r3 <- rel dyn end ofs */
+	add	r3, r3, r0		/* r3 <- rel dyn end in FLASH */
+fixloop:
+	ldr	r0, [r2]		/* r0 <- location to fix up, IN FLASH! */
+	add	r0, r0, r9		/* r0 <- location to fix up in RAM */
+	ldr	r1, [r2, #4]
+	and	r7, r1, #0xff
+	cmp	r7, #23			/* relative fixup? */
+	beq	fixrel
+	cmp	r7, #2			/* absolute fixup? */
+	beq	fixabs
+	/* ignore unknown type of fixup */
+	b	fixnext
+fixabs:
+	/* absolute fix: set location to (offset) symbol value */
+	mov	r1, r1, LSR #4		/* r1 <- symbol index in .dynsym */
+	add	r1, r10, r1		/* r1 <- address of symbol in table */
+	ldr	r1, [r1, #4]		/* r1 <- symbol value */
+	add	r1, r1, r9		/* r1 <- relocated sym addr */
+	b	fixnext
+fixrel:
+	/* relative fix: increase location by offset */
+	ldr	r1, [r0]
+	add	r1, r1, r9
+fixnext:
+	str	r1, [r0]
+	add	r2, r2, #8		/* each rel.dyn entry is 8 bytes */
+	cmp	r2, r3
+	blo	fixloop
+
+clear_bss:
+	ldr	r0, _bss_start_ofs
+	ldr	r1, _bss_end_ofs
+	mov	r4, r6			/* reloc addr */
+	add	r0, r0, r4
+	add	r1, r1, r4
+	mov	r2, #0x00000000		/* clear			    */
+
+clbss_l:str	r2, [r0]		/* clear loop...		    */
+	add	r0, r0, #4
+	cmp	r0, r1
+	bne	clbss_l
+#endif	/* #ifndef CONFIG_PRELOADER */
+
+/*
+ * We are done. Do not return, instead branch to second part of board
+ * initialization, now running from RAM.
+ */
+jump_2_ram:
+	ldr	r0, _board_init_r_ofs
+	adr	r1, _start
+	add	lr, r0, r1
+	add	lr, lr, r9
+	/* setup parameters for board_init_r */
+	mov	r0, r5		/* gd_t */
+	mov	r1, r6		/* dest_addr */
+	/* jump to it ... */
+	mov	pc, lr
+
+_board_init_r_ofs:
+	.word board_init_r - _start
+
+_rel_dyn_start_ofs:
+	.word __rel_dyn_start - _start
+_rel_dyn_end_ofs:
+	.word __rel_dyn_end - _start
+_dynsym_start_ofs:
+	.word __dynsym_start - _start
+
+/*************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************/
+cpu_init_crit:
+	/*
+	 * Invalidate L1 I/D
+	 */
+	mov	r0, #0			@ set up for MCR
+	mcr	p15, 0, r0, c8, c7, 0	@ invalidate TLBs
+	mcr	p15, 0, r0, c7, c5, 0	@ invalidate icache
+
+	/*
+	 * disable MMU stuff and caches
+	 */
+	mrc	p15, 0, r0, c1, c0, 0
+	bic	r0, r0, #0x00002000	@ clear bits 13 (--V-)
+	bic	r0, r0, #0x00000007	@ clear bits 2:0 (-CAM)
+	orr	r0, r0, #0x00000002	@ set bit 1 (--A-) Align
+	orr	r0, r0, #0x00000800	@ set bit 12 (Z---) BTB
+	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
+/*
+ *************************************************************************
+ *
+ * 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
+						@ spots for abort stack
+	str	lr, [r0]			@ save caller lr in position 0
+						@ of saved stack
+	mrs	r0, spsr			@ get the spsr
+	str	lr, [r0, #4]			@ save spsr in position 1 of
+						@ saved stack
+	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
+
+/*
+ * exception handlers
+ */
+	.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 effective 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
diff --git a/u-boot/arch/arm/cpu/armv7/syslib.c b/u-boot/arch/arm/cpu/armv7/syslib.c
new file mode 100644
index 0000000..84d17f0
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/syslib.c
@@ -0,0 +1,69 @@
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+/************************************************************
+ * sdelay() - simple spin loop.  Will be constant time as
+ *  its generally used in bypass conditions only.  This
+ *  is necessary until timers are accessible.
+ *
+ *  not inline to increase chances its in cache when called
+ *************************************************************/
+void sdelay(unsigned long loops)
+{
+	__asm__ volatile ("1:\n" "subs %0, %1, #1\n"
+			  "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/*****************************************************************
+ * sr32 - clear & set a value in a bit range for a 32 bit address
+ *****************************************************************/
+void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value)
+{
+	u32 tmp, msk = 0;
+	msk = 1 << num_bits;
+	--msk;
+	tmp = readl((u32)addr) & ~(msk << start_bit);
+	tmp |= value << start_bit;
+	writel(tmp, (u32)addr);
+}
+
+/*********************************************************************
+ * wait_on_value() - common routine to allow waiting for changes in
+ *   volatile regs.
+ *********************************************************************/
+u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
+		  u32 bound)
+{
+	u32 i = 0, val;
+	do {
+		++i;
+		val = readl((u32)read_addr) & read_bit_mask;
+		if (val == match_value)
+			return 1;
+		if (i == bound)
+			return 0;
+	} while (1);
+}
diff --git a/u-boot/arch/arm/cpu/armv7/tegra2/Makefile b/u-boot/arch/arm/cpu/armv7/tegra2/Makefile
new file mode 100644
index 0000000..687c887
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/tegra2/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	=  $(obj)lib$(SOC).o
+
+SOBJS	:= lowlevel_init.o
+COBJS	:= board.o sys_info.o timer.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all:	 $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/armv7/tegra2/board.c b/u-boot/arch/arm/cpu/armv7/tegra2/board.c
new file mode 100644
index 0000000..9061d18
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/tegra2/board.c
@@ -0,0 +1,88 @@
+/*
+ *  (C) Copyright 2010,2011
+ *  NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/tegra2.h>
+#include <asm/arch/pmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Boot ROM initializes the odmdata in APBDEV_PMC_SCRATCH20_0,
+ * so we are using this value to identify memory size.
+ */
+
+unsigned int query_sdram_size(void)
+{
+	struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+	u32 reg;
+
+	reg = readl(&pmc->pmc_scratch20);
+	debug("pmc->pmc_scratch20 (ODMData) = 0x%08lX\n", reg);
+
+	/* bits 31:28 in OdmData are used for RAM size  */
+	switch ((reg) >> 28) {
+	case 1:
+		return 0x10000000;	/* 256 MB */
+	case 2:
+		return 0x20000000;	/* 512 MB */
+	case 3:
+	default:
+		return 0x40000000;	/* 1GB */
+	}
+}
+
+void s_init(void)
+{
+#ifndef CONFIG_ICACHE_OFF
+	icache_enable();
+#endif
+	invalidate_dcache();
+}
+
+int dram_init(void)
+{
+	unsigned long rs;
+
+	/* We do not initialise DRAM here. We just query the size */
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = gd->ram_size = query_sdram_size();
+
+	/* Now check it dynamically */
+	rs = get_ram_size(CONFIG_SYS_SDRAM_BASE, gd->ram_size);
+	if (rs) {
+		printf("dynamic ram_size = %lu\n", rs);
+		gd->bd->bi_dram[0].size = gd->ram_size = rs;
+	}
+	return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	printf("Board: %s\n", sysinfo.board_string);
+	return 0;
+}
+#endif	/* CONFIG_DISPLAY_BOARDINFO */
diff --git a/u-boot/arch/arm/cpu/armv7/tegra2/config.mk b/u-boot/arch/arm/cpu/armv7/tegra2/config.mk
new file mode 100644
index 0000000..96c0795
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/tegra2/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2010,2011
+# NVIDIA Corporation <www.nvidia.com>
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+# Use ARMv4 for Tegra2 - initial code runs on the AVP, which is an ARM7TDI.
+PLATFORM_CPPFLAGS += -march=armv4
diff --git a/u-boot/arch/arm/cpu/armv7/tegra2/lowlevel_init.S b/u-boot/arch/arm/cpu/armv7/tegra2/lowlevel_init.S
new file mode 100644
index 0000000..7f15746
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/tegra2/lowlevel_init.S
@@ -0,0 +1,65 @@
+/*
+ * SoC-specific setup info
+ *
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+
+_TEXT_BASE:
+	.word	CONFIG_SYS_TEXT_BASE	@ sdram load addr from config file
+
+.global invalidate_dcache
+invalidate_dcache:
+	mov pc, lr
+
+	.align	5
+.global reset_cpu
+reset_cpu:
+	ldr	r1, rstctl			@ get addr for global reset
+						@ reg
+	ldr	r3, [r1]
+	orr	r3, r3, #0x10
+	str	r3, [r1]			@ force reset
+	mov	r0, r0
+_loop_forever:
+	b	_loop_forever
+rstctl:
+	.word	PRM_RSTCTRL
+
+.globl lowlevel_init
+lowlevel_init:
+	ldr	sp, SRAM_STACK
+	str	ip, [sp]
+	mov	ip, lr
+	bl	s_init				@ go setup pll, mux & memory
+	ldr	ip, [sp]
+	mov	lr, ip
+
+	mov	pc, lr				@ back to arch calling code
+
+	@ the literal pools origin
+	.ltorg
+
+SRAM_STACK:
+	.word LOW_LEVEL_SRAM_STACK
diff --git a/u-boot/arch/arm/cpu/armv7/tegra2/sys_info.c b/u-boot/arch/arm/cpu/armv7/tegra2/sys_info.c
new file mode 100644
index 0000000..6d11dc1
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/tegra2/sys_info.c
@@ -0,0 +1,35 @@
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+/* Print CPU information */
+int print_cpuinfo(void)
+{
+	puts("TEGRA2\n");
+
+	/* TBD: Add printf of major/minor rev info, stepping, etc. */
+	return 0;
+}
+#endif	/* CONFIG_DISPLAY_CPUINFO */
diff --git a/u-boot/arch/arm/cpu/armv7/tegra2/timer.c b/u-boot/arch/arm/cpu/armv7/tegra2/timer.c
new file mode 100644
index 0000000..fb061d0
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/tegra2/timer.c
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * (C) Copyright 2008
+ * Texas Instruments
+ *
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Moahmmed Khasim <khasim@ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/tegra2.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct timerus *timer_base = (struct timerus *)NV_PA_TMRUS_BASE;
+
+/* counter runs at 1MHz */
+#define TIMER_CLK	(1000000)
+#define TIMER_LOAD_VAL	0xffffffff
+
+/* timer without interrupts */
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+	gd->tbl = t;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+	long tmo = usec * (TIMER_CLK / 1000) / 1000;
+	unsigned long now, last = readl(&timer_base->cntr_1us);
+
+	while (tmo > 0) {
+		now = readl(&timer_base->cntr_1us);
+		if (last > now) /* count up timer overflow */
+			tmo -= TIMER_LOAD_VAL - last + now;
+		else
+			tmo -= now - last;
+		last = now;
+	}
+}
+
+void reset_timer_masked(void)
+{
+	/* reset time, capture current incrementer value time */
+	gd->lastinc = readl(&timer_base->cntr_1us) / (TIMER_CLK/CONFIG_SYS_HZ);
+	gd->tbl = 0;		/* start "advancing" time stamp from 0 */
+}
+
+ulong get_timer_masked(void)
+{
+	ulong now;
+
+	/* current tick value */
+	now = readl(&timer_base->cntr_1us) / (TIMER_CLK / CONFIG_SYS_HZ);
+
+	if (now >= gd->lastinc)	/* normal mode (non roll) */
+		/* move stamp forward with absolute diff ticks */
+		gd->tbl += (now - gd->lastinc);
+	else	/* we have rollover of incrementer */
+		gd->tbl += ((TIMER_LOAD_VAL / (TIMER_CLK / CONFIG_SYS_HZ))
+				- gd->lastinc) + now;
+	gd->lastinc = now;
+	return gd->tbl;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+/*
+ * 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 CONFIG_SYS_HZ;
+}
diff --git a/u-boot/arch/arm/cpu/armv7/u-boot.lds b/u-boot/arch/arm/cpu/armv7/u-boot.lds
new file mode 100644
index 0000000..5725c30
--- /dev/null
+++ b/u-boot/arch/arm/cpu/armv7/u-boot.lds
@@ -0,0 +1,81 @@
+/*
+ * January 2004 - Changed to support H4 device
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text	:
+	{
+		arch/arm/cpu/armv7/start.o	(.text)
+		*(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+	. = ALIGN(4);
+	.data : {
+		*(.data)
+	}
+
+	. = ALIGN(4);
+
+	. = .;
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+
+	.rel.dyn : {
+		__rel_dyn_start = .;
+		*(.rel*)
+		__rel_dyn_end = .;
+	}
+
+	.dynsym : {
+		__dynsym_start = .;
+		*(.dynsym)
+	}
+
+	.bss __rel_dyn_start (OVERLAY) : {
+		__bss_start = .;
+		*(.bss)
+		 . = ALIGN(4);
+		_end = .;
+	}
+
+	/DISCARD/ : { *(.dynstr*) }
+	/DISCARD/ : { *(.dynamic*) }
+	/DISCARD/ : { *(.plt*) }
+	/DISCARD/ : { *(.interp*) }
+	/DISCARD/ : { *(.gnu*) }
+}