added boot script files to repository

17 files changed, 2200 insertions, 0 deletions

diff --git a/u-boot/arch/arm/cpu/arm1136/Makefile b/u-boot/arch/arm/cpu/arm1136/Makefile
new file mode 100644
index 0000000..930e0d1
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# 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
+
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+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 $(obj).depend
+
+#########################################################################
diff --git a/u-boot/arch/arm/cpu/arm1136/config.mk b/u-boot/arch/arm/cpu/arm1136/config.mk
new file mode 100644
index 0000000..3e68535
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/config.mk
@@ -0,0 +1,32 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v6.
+PLATFORM_CPPFLAGS += -march=armv5
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/u-boot/arch/arm/cpu/arm1136/cpu.c b/u-boot/arch/arm/cpu/arm1136/cpu.c
new file mode 100644
index 0000000..2b91631
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/cpu.c
@@ -0,0 +1,77 @@
+/*
+ * (C) Copyright 2004 Texas Insturments
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * 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>
+
+static void cache_flush(void);
+
+int cleanup_before_linux (void)
+{
+	/*
+	 * this function is called just before we call linux
+	 * it prepares the processor for linux
+	 *
+	 * we turn off caches etc ...
+	 */
+
+	disable_interrupts ();
+
+#ifdef CONFIG_LCD
+	{
+		extern void lcd_disable(void);
+		extern void lcd_panel_disable(void);
+
+		lcd_disable(); /* proper disable of lcd & panel */
+		lcd_panel_disable();
+	}
+#endif
+
+	/* turn off I/D-cache */
+	icache_disable();
+	dcache_disable();
+	/* flush I/D-cache */
+	cache_flush();
+
+	return 0;
+}
+
+static void cache_flush(void)
+{
+	unsigned long i = 0;
+
+	asm ("mcr p15, 0, %0, c7, c10, 0": :"r" (i)); /* clean entire data cache */
+	asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i));  /* invalidate both caches and flush btb */
+	asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (i)); /* mem barrier to sync things */
+}
diff --git a/u-boot/arch/arm/cpu/arm1136/mx31/Makefile b/u-boot/arch/arm/cpu/arm1136/mx31/Makefile
new file mode 100644
index 0000000..eaed371
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx31/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# 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
+
+COBJS	+= generic.o
+COBJS	+= timer.o
+COBJS	+= devices.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/arm1136/mx31/devices.c b/u-boot/arch/arm/cpu/arm1136/mx31/devices.c
new file mode 100644
index 0000000..1f4ca7e
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx31/devices.c
@@ -0,0 +1,56 @@
+/*
+ *
+ * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.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/arch/mx31-regs.h>
+#include <asm/arch/mx31.h>
+
+#ifdef CONFIG_SYS_MX31_UART1
+void mx31_uart1_hw_init(void)
+{
+	/* setup pins for UART1 */
+	mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
+	mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
+	mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
+	mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
+}
+#endif
+
+#ifdef CONFIG_MXC_SPI
+void mx31_spi2_hw_init(void)
+{
+	/* SPI2 */
+	mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
+	mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
+	mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
+	mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
+	mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
+	mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
+	mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
+
+	/* start SPI2 clock */
+	__REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
+}
+#endif
diff --git a/u-boot/arch/arm/cpu/arm1136/mx31/generic.c b/u-boot/arch/arm/cpu/arm1136/mx31/generic.c
new file mode 100644
index 0000000..8bd23ee
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx31/generic.c
@@ -0,0 +1,116 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * 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/mx31-regs.h>
+#include <asm/io.h>
+
+static u32 mx31_decode_pll(u32 reg, u32 infreq)
+{
+	u32 mfi = (reg >> 10) & 0xf;
+	u32 mfn = reg & 0x3ff;
+	u32 mfd = (reg >> 16) & 0x3ff;
+	u32 pd =  (reg >> 26) & 0xf;
+
+	mfi = mfi <= 5 ? 5 : mfi;
+	mfd += 1;
+	pd += 1;
+
+	return ((2 * (infreq >> 10) * (mfi * mfd + mfn)) /
+		(mfd * pd)) << 10;
+}
+
+static u32 mx31_get_mpl_dpdgck_clk(void)
+{
+	u32 infreq;
+
+	if ((__REG(CCM_CCMR) & CCMR_PRCS_MASK) == CCMR_FPM)
+		infreq = CONFIG_MX31_CLK32 * 1024;
+	else
+		infreq = CONFIG_MX31_HCLK_FREQ;
+
+	return mx31_decode_pll(__REG(CCM_MPCTL), infreq);
+}
+
+static u32 mx31_get_mcu_main_clk(void)
+{
+	/* For now we assume mpl_dpdgck_clk == mcu_main_clk
+	 * which should be correct for most boards
+	 */
+	return mx31_get_mpl_dpdgck_clk();
+}
+
+u32 mx31_get_ipg_clk(void)
+{
+	u32 freq = mx31_get_mcu_main_clk();
+	u32 pdr0 = __REG(CCM_PDR0);
+
+	freq /= ((pdr0 >> 3) & 0x7) + 1;
+	freq /= ((pdr0 >> 6) & 0x3) + 1;
+
+	return freq;
+}
+
+void mx31_dump_clocks(void)
+{
+	u32 cpufreq = mx31_get_mcu_main_clk();
+	printf("mx31 cpu clock: %dMHz\n",cpufreq / 1000000);
+	printf("ipg clock     : %dHz\n", mx31_get_ipg_clk());
+}
+
+void mx31_gpio_mux(unsigned long mode)
+{
+	unsigned long reg, shift, tmp;
+
+	reg = IOMUXC_BASE + (mode & 0x1fc);
+	shift = (~mode & 0x3) * 8;
+
+	tmp = __REG(reg);
+	tmp &= ~(0xff << shift);
+	tmp |= ((mode >> IOMUX_MODE_POS) & 0xff) << shift;
+	__REG(reg) = tmp;
+}
+
+void mx31_set_pad(enum iomux_pins pin, u32 config)
+{
+	u32 field, l, reg;
+
+	pin &= IOMUX_PADNUM_MASK;
+	reg = (IOMUXC_BASE + 0x154) + (pin + 2) / 3 * 4;
+	field = (pin + 2) % 3;
+
+	l = __REG(reg);
+	l &= ~(0x1ff << (field * 10));
+	l |= config << (field * 10);
+	__REG(reg) = l;
+
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo (void)
+{
+	printf("CPU:   Freescale i.MX31 at %d MHz\n",
+		mx31_get_mcu_main_clk() / 1000000);
+	return 0;
+}
+#endif
diff --git a/u-boot/arch/arm/cpu/arm1136/mx31/timer.c b/u-boot/arch/arm/cpu/arm1136/mx31/timer.c
new file mode 100644
index 0000000..f6be3b9
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx31/timer.c
@@ -0,0 +1,169 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * 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/mx31-regs.h>
+#include <div64.h>
+
+#define TIMER_BASE 0x53f90000 /* General purpose timer 1 */
+
+/* General purpose timers registers */
+#define GPTCR	__REG(TIMER_BASE)		/* Control register	*/
+#define GPTPR	__REG(TIMER_BASE + 0x4)		/* Prescaler register	*/
+#define GPTSR	__REG(TIMER_BASE + 0x8)		/* Status register	*/
+#define GPTCNT	__REG(TIMER_BASE + 0x24)	/* Counter register	*/
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR		(1 << 15)	/* Software reset	*/
+#define GPTCR_FRR		(1 << 9)	/* Freerun / restart	*/
+#define GPTCR_CLKSOURCE_32	(4 << 6)	/* Clock source		*/
+#define GPTCR_TEN		1		/* Timer enable		*/
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* "time" is measured in 1 / CONFIG_SYS_HZ seconds, "tick" is internal timer period */
+#ifdef CONFIG_MX31_TIMER_HIGH_PRECISION
+/* ~0.4% error - measured with stop-watch on 100s boot-delay */
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, CONFIG_MX31_CLK32);
+	return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+	time *= CONFIG_MX31_CLK32;
+	do_div(time, CONFIG_SYS_HZ);
+	return time;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us = us * CONFIG_MX31_CLK32 + 999999;
+	do_div(us, 1000000);
+	return us;
+}
+#else
+/* ~2% error */
+#define TICK_PER_TIME	((CONFIG_MX31_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
+#define US_PER_TICK	(1000000 / CONFIG_MX31_CLK32)
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	do_div(tick, TICK_PER_TIME);
+	return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+	return time * TICK_PER_TIME;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us += US_PER_TICK - 1;
+	do_div(us, US_PER_TICK);
+	return us;
+}
+#endif
+
+/* The 32768Hz 32-bit timer overruns in 131072 seconds */
+int timer_init (void)
+{
+	int i;
+
+	/* setup GP Timer 1 */
+	GPTCR = GPTCR_SWR;
+	for (i = 0; i < 100; i++)
+		GPTCR = 0; /* We have no udelay by now */
+	GPTPR = 0; /* 32Khz */
+	/* Freerun Mode, PERCLK1 input */
+	GPTCR |= GPTCR_CLKSOURCE_32 | GPTCR_TEN;
+
+	return 0;
+}
+
+void reset_timer_masked (void)
+{
+	/* reset time */
+	gd->lastinc = GPTCNT; /* capture current incrementer value time */
+	gd->tbl = 0; /* start "advancing" time stamp from 0 */
+}
+
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+unsigned long long get_ticks (void)
+{
+	ulong now = GPTCNT; /* current tick value */
+
+	if (now >= gd->lastinc)	/* normal mode (non roll) */
+		/* move stamp forward with absolut diff ticks */
+		gd->tbl += (now - gd->lastinc);
+	else			/* we have rollover of incrementer */
+		gd->tbl += (0xFFFFFFFF - gd->lastinc) + now;
+	gd->lastinc = now;
+	return gd->tbl;
+}
+
+ulong get_timer_masked (void)
+{
+	/*
+	 * get_ticks() returns a long long (64 bit), it wraps in
+	 * 2^64 / CONFIG_MX31_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
+	 * 5 * 10^6 days - long enough.
+	 */
+	return tick_to_time(get_ticks());
+}
+
+ulong get_timer (ulong base)
+{
+	return get_timer_masked () - base;
+}
+
+void set_timer (ulong t)
+{
+	gd->tbl = time_to_tick(t);
+}
+
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay (unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = us_to_tick(usec);
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)	/* loop till event */
+		 /*NOP*/;
+}
+
+void reset_cpu (ulong addr)
+{
+	__REG16(WDOG_BASE) = 4;
+}
diff --git a/u-boot/arch/arm/cpu/arm1136/mx35/Makefile b/u-boot/arch/arm/cpu/arm1136/mx35/Makefile
new file mode 100644
index 0000000..20f36e3
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx35/Makefile
@@ -0,0 +1,63 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008-2009 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	+= generic.o
+COBJS	+= timer.o
+COBJS	+= iomux.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+$(OBJS) : $(TOPDIR)/include/asm/arch/asm-offsets.h
+
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
+
+$(TOPDIR)/include/asm/arch/asm-offsets.h:	$(TOPDIR)/include/autoconf.mk.dep \
+	./asm-offsets.s
+	@echo Generating $@
+	$(TOPDIR)/tools/scripts/make-asm-offsets ./asm-offsets.s $@
+
+asm-offsets.s:	$(TOPDIR)/include/autoconf.mk.dep \
+	./asm-offsets.c
+	$(CC) -DDO_DEPS_ONLY \
+		$(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
+		-o $@ ./asm-offsets.c -c -S
diff --git a/u-boot/arch/arm/cpu/arm1136/mx35/asm-offsets.c b/u-boot/arch/arm/cpu/arm1136/mx35/asm-offsets.c
new file mode 100644
index 0000000..d2678e2
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx35/asm-offsets.c
@@ -0,0 +1,43 @@
+/*
+ * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
+ *
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+
+#include <linux/kbuild.h>
+
+int main(void)
+{
+
+	/* Round up to make sure size gives nice stack alignment */
+	DEFINE(CLKCTL_CCMR, offsetof(struct ccm_regs, ccmr));
+	DEFINE(CLKCTL_PDR0, offsetof(struct ccm_regs, pdr0));
+	DEFINE(CLKCTL_PDR1, offsetof(struct ccm_regs, pdr1));
+	DEFINE(CLKCTL_PDR2, offsetof(struct ccm_regs, pdr2));
+	DEFINE(CLKCTL_PDR3, offsetof(struct ccm_regs, pdr3));
+	DEFINE(CLKCTL_PDR4, offsetof(struct ccm_regs, pdr4));
+	DEFINE(CLKCTL_RCSR, offsetof(struct ccm_regs, rcsr));
+	DEFINE(CLKCTL_MPCTL, offsetof(struct ccm_regs, mpctl));
+	DEFINE(CLKCTL_PPCTL, offsetof(struct ccm_regs, ppctl));
+	DEFINE(CLKCTL_ACMR, offsetof(struct ccm_regs, acmr));
+	DEFINE(CLKCTL_COSR, offsetof(struct ccm_regs, cosr));
+	DEFINE(CLKCTL_CGR0, offsetof(struct ccm_regs, cgr0));
+	DEFINE(CLKCTL_CGR1, offsetof(struct ccm_regs, cgr1));
+	DEFINE(CLKCTL_CGR2, offsetof(struct ccm_regs, cgr2));
+
+	return 0;
+}
diff --git a/u-boot/arch/arm/cpu/arm1136/mx35/generic.c b/u-boot/arch/arm/cpu/arm1136/mx35/generic.c
new file mode 100644
index 0000000..1b4ab75
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx35/generic.c
@@ -0,0 +1,463 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2008-2010 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>
+#include <asm/arch/sys_proto.h>
+#include <netdev.h>
+
+#define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel))
+#define CLK_CODE_ARM(c)		(((c) >> 16) & 0xFF)
+#define CLK_CODE_AHB(c)		(((c) >>  8) & 0xFF)
+#define CLK_CODE_PATH(c)	((c) & 0xFF)
+
+#define CCM_GET_DIVIDER(x, m, o) (((x) & (m)) >> (o))
+
+#ifdef CONFIG_FSL_ESDHC
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
+static int g_clk_mux_auto[8] = {
+	CLK_CODE(1, 3, 0), CLK_CODE(1, 2, 1), CLK_CODE(2, 1, 1), -1,
+	CLK_CODE(1, 6, 0), CLK_CODE(1, 4, 1), CLK_CODE(2, 2, 1), -1,
+};
+
+static int g_clk_mux_consumer[16] = {
+	CLK_CODE(1, 4, 0), CLK_CODE(1, 3, 1), CLK_CODE(1, 3, 1), -1,
+	-1, -1, CLK_CODE(4, 1, 0), CLK_CODE(1, 5, 0),
+	CLK_CODE(1, 8, 1), CLK_CODE(1, 6, 1), CLK_CODE(2, 4, 0), -1,
+	-1, -1, CLK_CODE(4, 2, 0), -1,
+};
+
+static int hsp_div_table[3][16] = {
+	{4, 3, 2, -1, -1, -1, 1, 5, 4, 3, 2, -1, -1, -1, 1, -1},
+	{-1, -1, -1, -1, -1, -1, -1, -1, 8, 6, 4, -1, -1, -1, 2, -1},
+	{3, -1, -1, -1, -1, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1},
+};
+
+u32 get_cpu_rev(void)
+{
+	int reg;
+	struct iim_regs *iim =
+		(struct iim_regs *)IIM_BASE_ADDR;
+	reg = readl(&iim->iim_srev);
+	if (!reg) {
+		reg = readw(ROMPATCH_REV);
+		reg <<= 4;
+	} else {
+		reg += CHIP_REV_1_0;
+	}
+
+	return 0x35000 + (reg & 0xFF);
+}
+
+static u32 get_arm_div(u32 pdr0, u32 *fi, u32 *fd)
+{
+	int *pclk_mux;
+	if (pdr0 & MXC_CCM_PDR0_AUTO_CON) {
+		pclk_mux = g_clk_mux_consumer +
+			((pdr0 & MXC_CCM_PDR0_CON_MUX_DIV_MASK) >>
+			MXC_CCM_PDR0_CON_MUX_DIV_OFFSET);
+	} else {
+		pclk_mux = g_clk_mux_auto +
+			((pdr0 & MXC_CCM_PDR0_AUTO_MUX_DIV_MASK) >>
+			MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET);
+	}
+
+	if ((*pclk_mux) == -1)
+		return -1;
+
+	if (fi && fd) {
+		if (!CLK_CODE_PATH(*pclk_mux)) {
+			*fi = *fd = 1;
+			return CLK_CODE_ARM(*pclk_mux);
+		}
+		if (pdr0 & MXC_CCM_PDR0_AUTO_CON) {
+			*fi = 3;
+			*fd = 4;
+		} else {
+			*fi = 2;
+			*fd = 3;
+		}
+	}
+	return CLK_CODE_ARM(*pclk_mux);
+}
+
+static int get_ahb_div(u32 pdr0)
+{
+	int *pclk_mux;
+
+	pclk_mux = g_clk_mux_consumer +
+		((pdr0 & MXC_CCM_PDR0_CON_MUX_DIV_MASK) >>
+		MXC_CCM_PDR0_CON_MUX_DIV_OFFSET);
+
+	if ((*pclk_mux) == -1)
+		return -1;
+
+	return CLK_CODE_AHB(*pclk_mux);
+}
+
+static u32 decode_pll(u32 reg, u32 infreq)
+{
+	u32 mfi = (reg >> 10) & 0xf;
+	u32 mfn = reg & 0x3f;
+	u32 mfd = (reg >> 16) & 0x3f;
+	u32 pd = (reg >> 26) & 0xf;
+
+	mfi = mfi <= 5 ? 5 : mfi;
+	mfd += 1;
+	pd += 1;
+
+	return ((2 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000;
+}
+
+static u32 get_mcu_main_clk(void)
+{
+	u32 arm_div = 0, fi = 0, fd = 0;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	arm_div = get_arm_div(readl(&ccm->pdr0), &fi, &fd);
+	fi *=
+		decode_pll(readl(&ccm->mpctl),
+			CONFIG_MX35_HCLK_FREQ);
+	return fi / (arm_div * fd);
+}
+
+static u32 get_ipg_clk(void)
+{
+	u32 freq = get_mcu_main_clk();
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr0 = readl(&ccm->pdr0);
+
+	return freq / (get_ahb_div(pdr0) * 2);
+}
+
+static u32 get_ipg_per_clk(void)
+{
+	u32 freq = get_mcu_main_clk();
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr0 = readl(&ccm->pdr0);
+	u32 pdr4 = readl(&ccm->pdr4);
+	u32 div;
+	if (pdr0 & MXC_CCM_PDR0_PER_SEL) {
+		div = (CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_PER0_PRDF_MASK,
+			MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1) *
+			(CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_PER0_PODF_MASK,
+			MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1);
+	} else {
+		div = CCM_GET_DIVIDER(pdr0,
+			MXC_CCM_PDR0_PER_PODF_MASK,
+			MXC_CCM_PDR0_PER_PODF_OFFSET) + 1;
+		freq /= get_ahb_div(pdr0);
+	}
+	return freq / div;
+}
+
+u32 imx_get_uartclk(void)
+{
+	u32 freq;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr4 = readl(&ccm->pdr4);
+
+	if (readl(&ccm->pdr3) & MXC_CCM_PDR3_UART_M_U) {
+		freq = get_mcu_main_clk();
+	} else {
+		freq = decode_pll(readl(&ccm->ppctl),
+			CONFIG_MX35_HCLK_FREQ);
+	}
+	freq /= ((CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_UART_PRDF_MASK,
+			MXC_CCM_PDR4_UART_PRDF_OFFSET) + 1) *
+		(CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_UART_PODF_MASK,
+			MXC_CCM_PDR4_UART_PODF_OFFSET) + 1));
+	return freq;
+}
+
+unsigned int mxc_get_main_clock(enum mxc_main_clocks clk)
+{
+	u32 nfc_pdf, hsp_podf;
+	u32 pll, ret_val = 0, usb_prdf, usb_podf;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+
+	u32 reg = readl(&ccm->pdr0);
+	u32 reg4 = readl(&ccm->pdr4);
+
+	reg |= 0x1;
+
+	switch (clk) {
+	case CPU_CLK:
+		ret_val = get_mcu_main_clk();
+		break;
+	case AHB_CLK:
+		ret_val = get_mcu_main_clk();
+		break;
+	case HSP_CLK:
+		if (reg & CLKMODE_CONSUMER) {
+			hsp_podf = (reg >> 20) & 0x3;
+			pll = get_mcu_main_clk();
+			hsp_podf = hsp_div_table[hsp_podf][(reg>>16)&0xF];
+			if (hsp_podf > 0) {
+				ret_val = pll / hsp_podf;
+			} else {
+				puts("mismatch HSP with ARM clock setting\n");
+				ret_val = 0;
+			}
+		} else {
+			ret_val = get_mcu_main_clk();
+		}
+		break;
+	case IPG_CLK:
+		ret_val = get_ipg_clk();;
+		break;
+	case IPG_PER_CLK:
+		ret_val = get_ipg_per_clk();
+		break;
+	case NFC_CLK:
+		nfc_pdf = (reg4 >> 28) & 0xF;
+		pll = get_mcu_main_clk();
+		/* AHB/nfc_pdf */
+		ret_val = pll / (nfc_pdf + 1);
+		break;
+	case USB_CLK:
+		usb_prdf = (reg4 >> 25) & 0x7;
+		usb_podf = (reg4 >> 22) & 0x7;
+		if (reg4 & 0x200) {
+			pll = get_mcu_main_clk();
+		} else {
+			pll = decode_pll(readl(&ccm->ppctl),
+				CONFIG_MX35_HCLK_FREQ);
+		}
+
+		ret_val = pll / ((usb_prdf + 1) * (usb_podf + 1));
+		break;
+	default:
+		printf("Unknown clock: %d\n", clk);
+		break;
+	}
+
+	return ret_val;
+}
+unsigned int mxc_get_peri_clock(enum mxc_peri_clocks clk)
+{
+	u32 ret_val = 0, pdf, pre_pdf, clk_sel;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 mpdr2 = readl(&ccm->pdr2);
+	u32 mpdr3 = readl(&ccm->pdr3);
+	u32 mpdr4 = readl(&ccm->pdr4);
+
+	switch (clk) {
+	case UART1_BAUD:
+	case UART2_BAUD:
+	case UART3_BAUD:
+		clk_sel = mpdr3 & (1 << 14);
+		pre_pdf = (mpdr4 >> 13) & 0x7;
+		pdf = (mpdr4 >> 10) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case SSI1_BAUD:
+		pre_pdf = (mpdr2 >> 24) & 0x7;
+		pdf = mpdr2 & 0x3F;
+		clk_sel = mpdr2 & (1 << 6);
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case SSI2_BAUD:
+		pre_pdf = (mpdr2 >> 27) & 0x7;
+		pdf = (mpdr2 >> 8) & 0x3F;
+		clk_sel = mpdr2 & (1 << 6);
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case CSI_BAUD:
+		clk_sel = mpdr2 & (1 << 7);
+		pre_pdf = (mpdr2 >> 16) & 0x7;
+		pdf = (mpdr2 >> 19) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case MSHC_CLK:
+		pre_pdf = readl(&ccm->pdr1);
+		clk_sel = (pre_pdf & 0x80);
+		pdf = (pre_pdf >> 22) & 0x3F;
+		pre_pdf = (pre_pdf >> 28) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case ESDHC1_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pre_pdf = mpdr3 & 0x7;
+		pdf = (mpdr3>>3) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case ESDHC2_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pre_pdf = (mpdr3 >> 8) & 0x7;
+		pdf = (mpdr3 >> 11) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case ESDHC3_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pre_pdf = (mpdr3 >> 16) & 0x7;
+		pdf = (mpdr3 >> 19) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case SPDIF_CLK:
+		clk_sel = mpdr3 & 0x400000;
+		pre_pdf = (mpdr3 >> 29) & 0x7;
+		pdf = (mpdr3 >> 23) & 0x3F;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	default:
+		printf("%s(): This clock: %d not supported yet\n",
+				__func__, clk);
+		break;
+	}
+
+	return ret_val;
+}
+
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+	switch (clk) {
+	case MXC_ARM_CLK:
+		return get_mcu_main_clk();
+	case MXC_AHB_CLK:
+		break;
+	case MXC_IPG_CLK:
+		return get_ipg_clk();
+	case MXC_IPG_PERCLK:
+		return get_ipg_per_clk();
+	case MXC_UART_CLK:
+		return imx_get_uartclk();
+	case MXC_ESDHC_CLK:
+		return mxc_get_peri_clock(ESDHC1_CLK);
+	case MXC_USB_CLK:
+		return mxc_get_main_clock(USB_CLK);
+	case MXC_FEC_CLK:
+		return get_ipg_clk();
+	case MXC_CSPI_CLK:
+		return get_ipg_clk();
+	}
+	return -1;
+}
+
+#ifdef CONFIG_FEC_MXC
+/*
+ * The MX35 has no fuse for MAC, return a NULL MAC
+ */
+void imx_get_mac_from_fuse(unsigned char *mac)
+{
+	memset(mac, 0, 6);
+}
+
+u32 imx_get_fecclk(void)
+{
+	return mxc_get_clock(MXC_IPG_CLK);
+}
+#endif
+
+int do_mx35_showclocks(cmd_tbl_t *cmdtp,
+	int flag, int argc, char * const argv[])
+{
+	u32 cpufreq = get_mcu_main_clk();
+	printf("mx35 cpu clock: %dMHz\n", cpufreq / 1000000);
+	printf("ipg clock     : %dHz\n", get_ipg_clk());
+	printf("ipg per clock : %dHz\n", get_ipg_per_clk());
+	printf("uart clock    : %dHz\n", mxc_get_clock(MXC_UART_CLK));
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	clockinfo,	CONFIG_SYS_MAXARGS,	1,	do_mx35_showclocks,
+	"display clocks\n",
+	""
+);
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+	printf("CPU:   Freescale i.MX35 at %d MHz\n",
+		get_mcu_main_clk() / 1000000);
+	/* mxc_dump_clocks(); */
+	return 0;
+}
+#endif
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+
+int cpu_eth_init(bd_t *bis)
+{
+	int rc = -ENODEV;
+
+#if defined(CONFIG_FEC_MXC)
+	rc = fecmxc_initialize(bis);
+#endif
+
+	return rc;
+}
+
+int get_clocks(void)
+{
+#ifdef CONFIG_FSL_ESDHC
+	gd->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+#endif
+	return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+	struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE_ADDR;
+	writew(4, &wdog->wcr);
+}
diff --git a/u-boot/arch/arm/cpu/arm1136/mx35/iomux.c b/u-boot/arch/arm/cpu/arm1136/mx35/iomux.c
new file mode 100644
index 0000000..f93191d
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx35/iomux.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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/mx35_pins.h>
+#include <asm/arch/iomux.h>
+
+/*
+ * IOMUX register (base) addresses
+ */
+enum iomux_reg_addr {
+	IOMUXGPR = IOMUXC_BASE_ADDR,			/* General purpose */
+	IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR + 4,		/* MUX control */
+	IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + 0x324,	/* last MUX control */
+	IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + 0x328,	/* Pad control */
+	IOMUXSW_PAD_END = IOMUXC_BASE_ADDR + 0x794,	/* last Pad control */
+	IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + 0x7AC,	/* input select */
+	IOMUXSW_INPUT_END = IOMUXC_BASE_ADDR + 0x9F4,	/* last input select */
+};
+
+#define MUX_PIN_NUM_MAX		\
+		(((IOMUXSW_PAD_END - IOMUXSW_PAD_CTL) >> 2) + 1)
+#define MUX_INPUT_NUM_MUX	\
+		(((IOMUXSW_INPUT_END - IOMUXSW_INPUT_CTL) >> 2) + 1)
+
+#define PIN_TO_IOMUX_INDEX(pin) ((PIN_TO_IOMUX_PAD(pin) - 0x328) >> 2)
+
+/*
+ * Request ownership for an IO pin. This function has to be the first one
+ * being called before that pin is used.
+ */
+void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+	u32 mux_reg = PIN_TO_IOMUX_MUX(pin);
+
+	if (mux_reg != NON_MUX_I) {
+		mux_reg += IOMUXGPR;
+		writel(cfg, mux_reg);
+	}
+}
+
+/*
+ * Release ownership for an IO pin
+ */
+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 = IOMUXGPR + PIN_TO_IOMUX_PAD(pin);
+
+	writel(config, pad_reg);
+}
+
+/*
+ * This function enables/disables the general purpose function for a particular
+ * signal.
+ *
+ * @param  gp   one signal as defined in iomux_gp_func_t
+ * @param  en   enable/disable
+ */
+void mxc_iomux_set_gpr(iomux_gp_func_t gp, int en)
+{
+	u32 l;
+
+	l = readl(IOMUXGPR);
+	if (en)
+		l |= gp;
+	else
+		l &= ~gp;
+
+	writel(l, IOMUXGPR);
+}
+
+/*
+ * This function configures input path.
+ *
+ * @param input index of input select register as defined in
+ *			iomux_input_select_t
+ * @param config the binary value of elements defined in
+ *			iomux_input_config_t
+ */
+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/arm1136/mx35/timer.c b/u-boot/arch/arm/cpu/arm1136/mx35/timer.c
new file mode 100644
index 0000000..db1e2c9
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/mx35/timer.c
@@ -0,0 +1,120 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2008-2009 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 bitfields */
+#define GPTCR_SWR       (1<<15)	/* Software reset */
+#define GPTCR_FRR       (1<<9)	/* Freerun / restart */
+#define GPTCR_CLKSOURCE_32   (0x100<<6)	/* Clock source */
+#define GPTCR_CLKSOURCE_IPG (0x001<<6)	/* Clock source */
+#define GPTCR_TEN       (1)	/* Timer enable */
+#define GPTPR_VAL	(66)
+
+int timer_init(void)
+{
+	int i;
+	struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
+
+	/* setup GP Timer 1 */
+	writel(GPTCR_SWR, &gpt->ctrl);
+	for (i = 0; i < 100; i++)
+		writel(0, &gpt->ctrl);	/* We have no udelay by now */
+
+	writel(GPTPR_VAL, &gpt->pre);
+	/* Freerun Mode, PERCLK1 input */
+	writel(readl(&gpt->ctrl) |
+		GPTCR_CLKSOURCE_IPG | GPTCR_TEN,
+		&gpt->ctrl);
+
+	return 0;
+}
+
+void reset_timer_masked(void)
+{
+	struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
+
+	writel(0, &gpt->ctrl);
+	/* Freerun Mode, PERCLK1 input */
+	writel(GPTCR_CLKSOURCE_IPG | GPTCR_TEN,
+		&gpt->ctrl);
+}
+
+inline ulong get_timer_masked(void)
+{
+
+	struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
+	ulong val = readl(&gpt->counter);
+
+	return val;
+}
+
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+ulong get_timer(ulong base)
+{
+	ulong tmp;
+
+	tmp = get_timer_masked();
+
+	if (tmp <= (base * 1000)) {
+		/* Overflow */
+		tmp += (0xffffffff -  base);
+	}
+
+	return (tmp / 1000) - base;
+}
+
+void set_timer(ulong t)
+{
+}
+
+/*
+ * delay x useconds AND preserve advance timstamp value
+ * GPTCNT is now supposed to tick 1 by 1 us.
+ */
+void __udelay(unsigned long usec)
+{
+	ulong tmp;
+
+	tmp = get_timer_masked();	/* get current timestamp */
+
+	/* if setting this forward will roll time stamp */
+	if ((usec + tmp + 1) < tmp) {
+		/* reset "advancing" timestamp to 0, set lastinc value */
+		reset_timer_masked();
+	} else {
+		/* else, set advancing stamp wake up time */
+		tmp += usec;
+	}
+
+	while (get_timer_masked() < tmp)	/* loop till event */
+		 /*NOP*/;
+}
diff --git a/u-boot/arch/arm/cpu/arm1136/omap24xx/Makefile b/u-boot/arch/arm/cpu/arm1136/omap24xx/Makefile
new file mode 100644
index 0000000..0776101
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/omap24xx/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# 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	= 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/arm1136/omap24xx/reset.S b/u-boot/arch/arm/cpu/arm1136/omap24xx/reset.S
new file mode 100644
index 0000000..5f8343f
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/omap24xx/reset.S
@@ -0,0 +1,42 @@
+/*
+ *  armboot - Startup Code for OMP2420/ARM1136 CPU-core
+ *
+ *  Copyright (c) 2004	Texas Instruments <r-woodruff2@ti.com>
+ *
+ *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
+ *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
+ *  Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
+ *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
+ *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
+ *
+ * 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/omap2420.h>
+
+.globl reset_cpu
+reset_cpu:
+	ldr	r1, rstctl	/* get addr for global reset reg */
+	mov	r3, #0x2	/* full reset pll+mpu */
+	str	r3, [r1]	/* force reset */
+	mov	r0, r0
+_loop_forever:
+	b	_loop_forever
+rstctl:
+	.word	PM_RSTCTRL_WKUP
diff --git a/u-boot/arch/arm/cpu/arm1136/omap24xx/timer.c b/u-boot/arch/arm/cpu/arm1136/omap24xx/timer.c
new file mode 100644
index 0000000..228ceba
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/omap24xx/timer.c
@@ -0,0 +1,157 @@
+/*
+ * (C) Copyright 2004
+ * Texas Instruments
+ * Richard Woodruff <r-woodruff2@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/arch/bits.h>
+#include <asm/arch/omap2420.h>
+
+#define TIMER_LOAD_VAL 0
+
+/* macro to read the 32 bit timer */
+#define READ_TIMER (*((volatile ulong *)(CONFIG_SYS_TIMERBASE+TCRR)))
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int timer_init (void)
+{
+	int32_t val;
+
+	/* Start the counter ticking up */
+	*((int32_t *) (CONFIG_SYS_TIMERBASE + TLDR)) = TIMER_LOAD_VAL;	/* reload value on overflow*/
+	val = (CONFIG_SYS_PTV << 2) | BIT5 | BIT1 | BIT0;		/* mask to enable timer*/
+	*((int32_t *) (CONFIG_SYS_TIMERBASE + TCLR)) = val;	/* start timer */
+
+	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 AND preserve advance timestamp value */
+void __udelay (unsigned long usec)
+{
+	ulong tmo, tmp;
+
+	if (usec >= 1000) {		/* if "big" number, spread normalization to seconds */
+		tmo = usec / 1000;	/* start to normalize for usec to ticks per sec */
+		tmo *= CONFIG_SYS_HZ;	/* find number of "ticks" to wait to achieve target */
+		tmo /= 1000;		/* finish normalize. */
+	} else {			/* else small number, don't kill it prior to HZ multiply */
+		tmo = usec * CONFIG_SYS_HZ;
+		tmo /= (1000*1000);
+	}
+
+	tmp = get_timer (0);		/* get current timestamp */
+	if ( (tmo + tmp + 1) < tmp )	/* if setting this forward will roll time stamp */
+		reset_timer_masked ();	/* reset "advancing" timestamp to 0, set lastinc value */
+	else
+		tmo	+= tmp;		/* else, set advancing stamp wake up time */
+	while (get_timer_masked () < tmo)/* loop till event */
+		/*NOP*/;
+}
+
+void reset_timer_masked (void)
+{
+	/* reset time */
+	gd->lastinc = READ_TIMER;	/* capture current incrementer value time */
+	gd->tbl = 0;			/* start "advancing" time stamp from 0 */
+}
+
+ulong get_timer_masked (void)
+{
+	ulong now = READ_TIMER;		/* current tick value */
+
+	if (now >= gd->lastinc)		/* normal mode (non roll) */
+		gd->tbl += (now - gd->lastinc); /* move stamp fordward with absoulte diff ticks */
+	else				/* we have rollover of incrementer */
+		gd->tbl += (0xFFFFFFFF - gd->lastinc) + now;
+	gd->lastinc = now;
+	return gd->tbl;
+}
+
+/* waits specified delay value and resets timestamp */
+void udelay_masked (unsigned long usec)
+{
+	ulong tmo;
+	ulong endtime;
+	signed long diff;
+
+	if (usec >= 1000) {			/* if "big" number, spread normalization to seconds */
+		tmo = usec / 1000;		/* start to normalize for usec to ticks per sec */
+		tmo *= CONFIG_SYS_HZ;			/* find number of "ticks" to wait to achieve target */
+		tmo /= 1000;			/* finish normalize. */
+	} else {					/* else small number, don't kill it prior to HZ multiply */
+		tmo = usec * CONFIG_SYS_HZ;
+		tmo /= (1000*1000);
+	}
+	endtime = get_timer_masked () + tmo;
+
+	do {
+		ulong now = get_timer_masked ();
+		diff = endtime - now;
+	} while (diff >= 0);
+}
+
+/*
+ * 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)
+{
+	ulong tbclk;
+	tbclk = CONFIG_SYS_HZ;
+	return tbclk;
+}
diff --git a/u-boot/arch/arm/cpu/arm1136/start.S b/u-boot/arch/arm/cpu/arm1136/start.S
new file mode 100644
index 0000000..a05d36d
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/start.S
@@ -0,0 +1,518 @@
+/*
+ *  armboot - Startup Code for OMP2420/ARM1136 CPU-core
+ *
+ *  Copyright (c) 2004	Texas Instruments <r-woodruff2@ti.com>
+ *
+ *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
+ *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
+ *  Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
+ *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
+ *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
+ *
+ * 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
+#ifdef CONFIG_PRELOADER
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+
+_hang:
+	.word	do_hang
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678	/* now 16*4=64 */
+#else
+	ldr	pc, _undefined_instruction
+	ldr	pc, _software_interrupt
+	ldr	pc, _prefetch_abort
+	ldr	pc, _data_abort
+	ldr	pc, _not_used
+	ldr	pc, _irq
+	ldr	pc, _fiq
+
+_undefined_instruction: .word undefined_instruction
+_software_interrupt:	.word software_interrupt
+_prefetch_abort:	.word prefetch_abort
+_data_abort:		.word data_abort
+_not_used:		.word not_used
+_irq:			.word irq
+_fiq:			.word fiq
+_pad:			.word 0x12345678 /* now 16*4=64 */
+#endif	/* CONFIG_PRELOADER */
+.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.
+ * Subtracting _start from them lets the linker put their
+ * relative position in the executable instead of leaving
+ * them null.
+ */
+.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
+
+#ifdef CONFIG_OMAP2420H4
+       /* 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 */
+	bl	cpy_clk_code		/* put dpll adjust code behind vectors */
+#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
+	cmp	r0, r6
+	beq	clear_bss		/* skip relocation */
+	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
+#endif
+
+clear_bss:
+#ifndef CONFIG_PRELOADER
+	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.
+ */
+#ifdef CONFIG_NAND_SPL
+	ldr     r0, _nand_boot_ofs
+	mov	pc, r0
+
+_nand_boot_ofs:
+	.word nand_boot
+#else
+jump_2_ram:
+	ldr	r0, _board_init_r_ofs
+	ldr     r1, _TEXT_BASE
+	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
+#endif
+
+_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
+ *
+ *************************************************************************
+ */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+cpu_init_crit:
+	/*
+	 * flush v4 I/D caches
+	 */
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c7, 0	/* Invalidate I+D+BTB caches */
+	mcr	p15, 0, r0, c8, c7, 0	/* Invalidate Unified TLB */
+
+	/*
+	 * disable MMU stuff and caches
+	 */
+	mrc	p15, 0, r0, c1, c0, 0
+	bic	r0, r0, #0x00002300	@ clear bits 13, 9:8 (--V- --RS)
+	bic	r0, r0, #0x00000087	@ clear bits 7, 2:0 (B--- -CAM)
+	orr	r0, r0, #0x00000002	@ set bit 2 (A) Align
+	orr	r0, r0, #0x00001000	@ set bit 12 (I) I-Cache
+	mcr	p15, 0, r0, c1, c0, 0
+
+	/*
+	 * Jump to board specific initialization... The Mask ROM will have already initialized
+	 * basic memory.  Go here to bump up clock rate and handle wake up conditions.
+	 */
+	mov	ip, lr		/* persevere link reg across call */
+	bl	lowlevel_init	/* go setup pll,mux,memory */
+	mov	lr, ip		/* restore link */
+	mov	pc, lr		/* back to my caller */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+
+#ifndef CONFIG_PRELOADER
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE	72
+
+#define S_OLD_R0	68
+#define S_PSR		64
+#define S_PC		60
+#define S_LR		56
+#define S_SP		52
+
+#define S_IP		48
+#define S_FP		44
+#define S_R10		40
+#define S_R9		36
+#define S_R8		32
+#define S_R7		28
+#define S_R6		24
+#define S_R5		20
+#define S_R4		16
+#define S_R3		12
+#define S_R2		8
+#define S_R1		4
+#define S_R0		0
+
+#define MODE_SVC 0x13
+#define I_BIT	 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
+ */
+
+	.macro	bad_save_user_regs
+	sub	sp, sp, #S_FRAME_SIZE		@ carve out a frame on current user stack
+	stmia	sp, {r0 - r12}			@ Save user registers (now in svc mode) r0-r12
+
+	ldr	r2, IRQ_STACK_START_IN		@ set base 2 words into abort stack
+	ldmia	r2, {r2 - r3}			@ get values for "aborted" pc and cpsr (into parm regs)
+	add	r0, sp, #S_FRAME_SIZE		@ grab pointer to old stack
+
+	add	r5, sp, #S_SP
+	mov	r1, lr
+	stmia	r5, {r0 - r3}			@ save sp_SVC, lr_SVC, pc, cpsr
+	mov	r0, sp				@ save current stack into r0 (param register)
+	.endm
+
+	.macro	irq_save_user_regs
+	sub	sp, sp, #S_FRAME_SIZE
+	stmia	sp, {r0 - r12}			@ Calling r0-r12
+	add	r8, sp, #S_PC			@ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good.
+	stmdb	r8, {sp, lr}^			@ Calling SP, LR
+	str	lr, [r8, #0]			@ Save calling PC
+	mrs	r6, spsr
+	str	r6, [r8, #4]			@ Save CPSR
+	str	r0, [r8, #8]			@ Save OLD_R0
+	mov	r0, sp
+	.endm
+
+	.macro	irq_restore_user_regs
+	ldmia	sp, {r0 - lr}^			@ Calling r0 - lr
+	mov	r0, r0
+	ldr	lr, [sp, #S_PC]			@ Get PC
+	add	sp, sp, #S_FRAME_SIZE
+	subs	pc, lr, #4			@ return & move spsr_svc into cpsr
+	.endm
+
+	.macro get_bad_stack
+	ldr	r13, IRQ_STACK_START_IN		@ setup our mode stack (enter in banked mode)
+
+	str	lr, [r13]			@ save caller lr in position 0 of saved stack
+	mrs	lr, spsr			@ get the spsr
+	str	lr, [r13, #4]			@ save spsr in position 1 of saved stack
+
+	mov	r13, #MODE_SVC			@ prepare SVC-Mode
+	@ msr	spsr_c, r13
+	msr	spsr, r13			@ switch modes, make sure moves will execute
+	mov	lr, pc				@ capture return pc
+	movs	pc, lr				@ jump to next instruction & switch modes.
+	.endm
+
+	.macro get_bad_stack_swi
+	sub	r13, r13, #4			@ space on current stack for scratch reg.
+	str	r0, [r13]			@ save R0's value.
+	ldr	r0, IRQ_STACK_START_IN		@ get data regions start
+	str	lr, [r0]			@ save caller lr in position 0 of saved stack
+	mrs	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
+#endif	/* CONFIG_PRELOADER */
+
+/*
+ * exception handlers
+ */
+#ifdef CONFIG_PRELOADER
+	.align	5
+do_hang:
+	ldr	sp, _TEXT_BASE			/* use 32 words about stack */
+	bl	hang				/* hang and never return */
+#else	/* !CONFIG_PRELOADER */
+	.align	5
+undefined_instruction:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_undefined_instruction
+
+	.align	5
+software_interrupt:
+	get_bad_stack_swi
+	bad_save_user_regs
+	bl	do_software_interrupt
+
+	.align	5
+prefetch_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_prefetch_abort
+
+	.align	5
+data_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_data_abort
+
+	.align	5
+not_used:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_not_used
+
+#ifdef CONFIG_USE_IRQ
+
+	.align	5
+irq:
+	get_irq_stack
+	irq_save_user_regs
+	bl	do_irq
+	irq_restore_user_regs
+
+	.align	5
+fiq:
+	get_fiq_stack
+	/* someone ought to write a more effiction fiq_save_user_regs */
+	irq_save_user_regs
+	bl	do_fiq
+	irq_restore_user_regs
+
+#else
+
+	.align	5
+irq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_irq
+
+	.align	5
+fiq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_fiq
+
+#endif
+	.align 5
+.global arm1136_cache_flush
+arm1136_cache_flush:
+#if !defined(CONFIG_SYS_NO_ICACHE)
+		mcr	p15, 0, r1, c7, c5, 0	@ invalidate I cache
+#endif
+#if !defined(CONFIG_SYS_NO_DCACHE)
+		mcr	p15, 0, r1, c7, c14, 0	@ invalidate D cache
+#endif
+		mov	pc, lr			@ back to caller
+#endif	/* CONFIG_PRELOADER */
diff --git a/u-boot/arch/arm/cpu/arm1136/u-boot.lds b/u-boot/arch/arm/cpu/arm1136/u-boot.lds
new file mode 100644
index 0000000..253adbe
--- /dev/null
+++ b/u-boot/arch/arm/cpu/arm1136/u-boot.lds
@@ -0,0 +1,87 @@
+/*
+ * (C) Copyright 2009
+ * Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
+ *
+ * Copyright (C) 2005-2007 Samsung Electronics
+ * Kyungin Park <kyugnmin.park@samsung.com>
+ *
+ * Copyright (c) 2004 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/arm1136/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*) }
+}