ARM: Add arm1176 core with S3C6400 SoC

Based on the original S3C64XX port by Samsung for U-Boot 1.1.6.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>

13 files changed, 2334 insertions, 1 deletions

diff --git a/cpu/arm1176/Makefile b/cpu/arm1176/Makefile
new file mode 100644
index 00000000000..1ca9199a642
--- /dev/null
+++ b/cpu/arm1176/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2006
+# 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	= $(obj)lib$(CPU).a
+
+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)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/arm1176/config.mk b/cpu/arm1176/config.mk
new file mode 100644
index 00000000000..5083594253c
--- /dev/null
+++ b/cpu/arm1176/config.mk
@@ -0,0 +1,35 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
+	-msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v6.
+PLATFORM_CPPFLAGS += -march=armv5t
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
+PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm1176/cpu.c b/cpu/arm1176/cpu.c
new file mode 100644
index 00000000000..1e94f7d6d01
--- /dev/null
+++ b/cpu/arm1176/cpu.c
@@ -0,0 +1,188 @@
+/*
+ * (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, <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
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <s3c6400.h>
+
+static void cache_flush (void);
+
+/* read co-processor 15, register #1 (control register) */
+static unsigned long read_p15_c1 (void)
+{
+	unsigned long value;
+
+	__asm__ __volatile__(
+		"mrc	p15, 0, %0, c1, c0, 0   @ read control reg\n"
+		: "=r" (value)
+		:
+		: "memory");
+	return value;
+}
+
+/* write to co-processor 15, register #1 (control register) */
+static void write_p15_c1 (unsigned long value)
+{
+	__asm__ __volatile__(
+		"mcr	p15, 0, %0, c1, c0, 0   @ write it back\n"
+		:
+		: "r" (value)
+		: "memory");
+
+	read_p15_c1();
+}
+
+static void cp_delay (void)
+{
+	volatile int i;
+
+	/* Many OMAP regs need at least 2 nops  */
+	for (i = 0; i < 100; i++)
+		__asm__ __volatile__("nop\n");
+}
+
+/* See also ARM Ref. Man. */
+#define C1_MMU		(1 << 0)	/* mmu off/on */
+#define C1_ALIGN	(1 << 1)	/* alignment faults off/on */
+#define C1_DC		(1 << 2)	/* dcache off/on */
+#define C1_WB		(1 << 3)	/* merging write buffer on/off */
+#define C1_BIG_ENDIAN	(1 << 7)	/* big endian off/on */
+#define C1_SYS_PROT	(1 << 8)	/* system protection */
+#define C1_ROM_PROT	(1 << 9)	/* ROM protection */
+#define C1_IC		(1 << 12)	/* icache off/on */
+#define C1_HIGH_VECTORS	(1 << 13)	/* location of vectors: low/high */
+#define RESERVED_1	(0xf << 3)	/* must be 111b for R/W */
+
+int cpu_init (void)
+{
+	return 0;
+}
+
+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 ();
+
+	/* turn off I/D-cache */
+	icache_disable();
+	dcache_disable();
+	cache_flush();
+
+	return 0;
+}
+
+
+/* * reset the cpu by setting up the watchdog timer and let him time out */
+void reset_cpu (ulong ignored)
+{
+	printf("reset... \n\n\n");
+	SW_RST_REG = 0x6400;
+	/* loop forever and wait for reset to happen */
+	while (1) {
+		if (serial_tstc()) {
+			serial_getc();
+			break;
+		}
+	}
+	/*NOTREACHED*/
+}
+
+int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	disable_interrupts ();
+	reset_cpu (0);
+	/*NOTREACHED*/
+	return 0;
+}
+
+void icache_enable (void)
+{
+	ulong reg;
+
+	reg = read_p15_c1 ();	/* get control reg. */
+	cp_delay ();
+	write_p15_c1 (reg | C1_IC);
+}
+
+void icache_disable (void)
+{
+	ulong reg;
+
+	reg = read_p15_c1 ();
+	cp_delay ();
+	write_p15_c1 (reg & ~C1_IC);
+}
+
+int icache_status (void)
+{
+	return (read_p15_c1 () & C1_IC) != 0;
+}
+
+/* It makes no sense to use the dcache if the MMU is not enabled */
+void dcache_enable (void)
+{
+	ulong reg;
+
+	reg = read_p15_c1 ();
+	cp_delay ();
+	write_p15_c1 (reg | C1_DC);
+}
+
+void dcache_disable (void)
+{
+	ulong reg;
+
+	reg = read_p15_c1 ();
+	cp_delay ();
+	write_p15_c1 (reg & ~C1_DC);
+}
+
+int dcache_status (void)
+{
+	return (read_p15_c1 () & C1_DC) != 0;
+}
+
+/* flush I/D-cache */
+static void cache_flush (void)
+{
+	/* invalidate both caches and flush btb */
+	asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (0));
+	/* mem barrier to sync things */
+	asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (0));
+}
diff --git a/cpu/arm1176/s3c64xx/Makefile b/cpu/arm1176/s3c64xx/Makefile
new file mode 100644
index 00000000000..fa4ee3f24e2
--- /dev/null
+++ b/cpu/arm1176/s3c64xx/Makefile
@@ -0,0 +1,48 @@
+#
+# (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).a
+
+COBJS-y	= interrupts.o
+COBJS-$(CONFIG_S3C6400)	+= cpu_init.o speed.o
+
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS-y))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/arm1176/s3c64xx/config.mk b/cpu/arm1176/s3c64xx/config.mk
new file mode 100644
index 00000000000..204e880b871
--- /dev/null
+++ b/cpu/arm1176/s3c64xx/config.mk
@@ -0,0 +1,34 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
+	-msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v6.
+PLATFORM_CPPFLAGS += -march=armv5t
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+#PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm1176/s3c64xx/cpu_init.S b/cpu/arm1176/s3c64xx/cpu_init.S
new file mode 100644
index 00000000000..08bda99fdc5
--- /dev/null
+++ b/cpu/arm1176/s3c64xx/cpu_init.S
@@ -0,0 +1,142 @@
+/*
+ * Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400
+ *
+ * Copyright (C) 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 <config.h>
+#include <s3c6400.h>
+
+	.globl mem_ctrl_asm_init
+mem_ctrl_asm_init:
+	/* Memory subsystem address 0x7e00f120 */
+	ldr	r0, =ELFIN_MEM_SYS_CFG
+
+	/* Xm0CSn2 = NFCON CS0, Xm0CSn3 = NFCON CS1 */
+	mov	r1, #0xd
+	str	r1, [r0]
+
+	/* DMC1 base address 0x7e001000 */
+	ldr	r0, =ELFIN_DMC1_BASE
+
+	ldr	r1, =0x4
+	str	r1, [r0, #INDEX_DMC_MEMC_CMD]
+
+	ldr	r1, =DMC_DDR_REFRESH_PRD
+	str	r1, [r0, #INDEX_DMC_REFRESH_PRD]
+
+	ldr	r1, =DMC_DDR_CAS_LATENCY
+	str	r1, [r0, #INDEX_DMC_CAS_LATENCY]
+
+	ldr	r1, =DMC_DDR_t_DQSS
+	str	r1, [r0, #INDEX_DMC_T_DQSS]
+
+	ldr	r1, =DMC_DDR_t_MRD
+	str	r1, [r0, #INDEX_DMC_T_MRD]
+
+	ldr	r1, =DMC_DDR_t_RAS
+	str	r1, [r0, #INDEX_DMC_T_RAS]
+
+	ldr	r1, =DMC_DDR_t_RC
+	str	r1, [r0, #INDEX_DMC_T_RC]
+
+	ldr	r1, =DMC_DDR_t_RCD
+	ldr	r2, =DMC_DDR_schedule_RCD
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RCD]
+
+	ldr	r1, =DMC_DDR_t_RFC
+	ldr	r2, =DMC_DDR_schedule_RFC
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RFC]
+
+	ldr	r1, =DMC_DDR_t_RP
+	ldr	r2, =DMC_DDR_schedule_RP
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RP]
+
+	ldr	r1, =DMC_DDR_t_RRD
+	str	r1, [r0, #INDEX_DMC_T_RRD]
+
+	ldr	r1, =DMC_DDR_t_WR
+	str	r1, [r0, #INDEX_DMC_T_WR]
+
+	ldr	r1, =DMC_DDR_t_WTR
+	str	r1, [r0, #INDEX_DMC_T_WTR]
+
+	ldr	r1, =DMC_DDR_t_XP
+	str	r1, [r0, #INDEX_DMC_T_XP]
+
+	ldr	r1, =DMC_DDR_t_XSR
+	str	r1, [r0, #INDEX_DMC_T_XSR]
+
+	ldr	r1, =DMC_DDR_t_ESR
+	str	r1, [r0, #INDEX_DMC_T_ESR]
+
+	ldr	r1, =DMC1_MEM_CFG
+	str	r1, [r0, #INDEX_DMC_MEMORY_CFG]
+
+	ldr	r1, =DMC1_MEM_CFG2
+	str	r1, [r0, #INDEX_DMC_MEMORY_CFG2]
+
+	ldr	r1, =DMC1_CHIP0_CFG
+	str	r1, [r0, #INDEX_DMC_CHIP_0_CFG]
+
+	ldr	r1, =DMC_DDR_32_CFG
+	str	r1, [r0, #INDEX_DMC_USER_CONFIG]
+
+	/* DMC0 DDR Chip 0 configuration direct command reg */
+	ldr	r1, =DMC_NOP0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Precharge All */
+	ldr	r1, =DMC_PA0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Auto Refresh 2 time */
+	ldr	r1, =DMC_AR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* MRS */
+	ldr	r1, =DMC_mDDR_EMR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Mode Reg */
+	ldr	r1, =DMC_mDDR_MR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Enable DMC1 */
+	mov	r1, #0x0
+	str	r1, [r0, #INDEX_DMC_MEMC_CMD]
+
+check_dmc1_ready:
+	ldr	r1, [r0, #INDEX_DMC_MEMC_STATUS]
+	mov	r2, #0x3
+	and	r1, r1, r2
+	cmp	r1, #0x1
+	bne	check_dmc1_ready
+	nop
+
+	mov	pc, lr
+
+	.ltorg
diff --git a/cpu/arm1176/s3c64xx/interrupts.c b/cpu/arm1176/s3c64xx/interrupts.c
new file mode 100644
index 00000000000..8356ae49e43
--- /dev/null
+++ b/cpu/arm1176/s3c64xx/interrupts.c
@@ -0,0 +1,174 @@
+/*
+ * (C) Copyright 2003
+ * Texas Instruments <www.ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002-2004
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * (C) Copyright 2004
+ * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
+ *
+ * (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 <common.h>
+#include <asm/proc-armv/ptrace.h>
+#include <s3c6400.h>
+
+static ulong timer_load_val;
+
+#define PRESCALER	167
+
+static s3c64xx_timers *s3c64xx_get_base_timers(void)
+{
+	return (s3c64xx_timers *)ELFIN_TIMER_BASE;
+}
+
+/* macro to read the 16 bit timer */
+static inline ulong read_timer(void)
+{
+	s3c64xx_timers *const timers = s3c64xx_get_base_timers();
+
+	return timers->TCNTO4;
+}
+
+/* Internal tick units */
+/* Last decremneter snapshot */
+static unsigned long lastdec;
+/* Monotonic incrementing timer */
+static unsigned long long timestamp;
+
+int interrupt_init(void)
+{
+	s3c64xx_timers *const timers = s3c64xx_get_base_timers();
+
+	/* use PWM Timer 4 because it has no output */
+	/*
+	 * We use the following scheme for the timer:
+	 * Prescaler is hard fixed at 167, divider at 1/4.
+	 * This gives at PCLK frequency 66MHz approx. 10us ticks
+	 * The timer is set to wrap after 100s, at 66MHz this obviously
+	 * happens after 10,000,000 ticks. A long variable can thus
+	 * keep values up to 40,000s, i.e., 11 hours. This should be
+	 * enough for most uses:-) Possible optimizations: select a
+	 * binary-friendly frequency, e.g., 1ms / 128. Also calculate
+	 * the prescaler automatically for other PCLK frequencies.
+	 */
+	timers->TCFG0 = PRESCALER << 8;
+	if (timer_load_val == 0) {
+		timer_load_val = get_PCLK() / PRESCALER * (100 / 4); /* 100s */
+		timers->TCFG1 = (timers->TCFG1 & ~0xf0000) | 0x20000;
+	}
+
+	/* load value for 10 ms timeout */
+	lastdec = timers->TCNTB4 = timer_load_val;
+	/* auto load, manual update of Timer 4 */
+	timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO |
+		TCON_4_UPDATE;
+
+	/* auto load, start Timer 4 */
+	timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO | COUNT_4_ON;
+	timestamp = 0;
+
+	return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+
+/*
+ * 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)
+{
+	ulong now = read_timer();
+
+	if (lastdec >= now) {
+		/* normal mode */
+		timestamp += lastdec - now;
+	} else {
+		/* we have an overflow ... */
+		timestamp += lastdec + timer_load_val - now;
+	}
+	lastdec = now;
+
+	return timestamp;
+}
+
+/*
+ * 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)
+{
+	/* We overrun in 100s */
+	return (ulong)(timer_load_val / 100);
+}
+
+void reset_timer_masked(void)
+{
+	/* reset time */
+	lastdec = read_timer();
+	timestamp = 0;
+}
+
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+ulong get_timer_masked(void)
+{
+	return get_ticks() / (timer_load_val / (100 * CFG_HZ));
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+	timestamp = t * (timer_load_val / (100 * CFG_HZ));
+}
+
+void udelay(unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = (usec + 9) / 10;
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)/* loop till event */
+		 /*NOP*/;
+}
diff --git a/cpu/arm1176/s3c64xx/speed.c b/cpu/arm1176/s3c64xx/speed.c
new file mode 100644
index 00000000000..5c335a55a9e
--- /dev/null
+++ b/cpu/arm1176/s3c64xx/speed.c
@@ -0,0 +1,145 @@
+/*
+ * (C) Copyright 2001-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
+ *
+ * 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
+ */
+
+/*
+ * This code should work for both the S3C2400 and the S3C2410
+ * as they seem to have the same PLL and clock machinery inside.
+ * The different address mapping is handled by the s3c24xx.h files below.
+ */
+
+#include <common.h>
+#include <s3c6400.h>
+
+#define APLL 0
+#define MPLL 1
+#define EPLL 2
+
+/* ------------------------------------------------------------------------- */
+/*
+ * NOTE: This describes the proper use of this file.
+ *
+ * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL.
+ *
+ * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of
+ * the specified bus in HZ.
+ */
+/* ------------------------------------------------------------------------- */
+
+static ulong get_PLLCLK(int pllreg)
+{
+	ulong r, m, p, s;
+
+	switch (pllreg) {
+	case APLL:
+		r = APLL_CON_REG;
+		break;
+	case MPLL:
+		r = MPLL_CON_REG;
+		break;
+	case EPLL:
+		r = EPLL_CON0_REG;
+		break;
+	default:
+		hang();
+	}
+
+	m = (r >> 16) & 0x3ff;
+	p = (r >> 8) & 0x3f;
+	s = r & 0x7;
+
+	return m * (CONFIG_SYS_CLK_FREQ / (p * (1 << s)));
+}
+
+/* return ARMCORE frequency */
+ulong get_ARMCLK(void)
+{
+	ulong div;
+
+	div = CLK_DIV0_REG;
+
+	return get_PLLCLK(APLL) / ((div & 0x7) + 1);
+}
+
+/* return FCLK frequency */
+ulong get_FCLK(void)
+{
+	return get_PLLCLK(APLL);
+}
+
+/* return HCLK frequency */
+ulong get_HCLK(void)
+{
+	ulong fclk;
+
+	uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1;
+	uint hclk_div = ((CLK_DIV0_REG >> 8) & 0x1) + 1;
+
+	/*
+	 * Bit 7 exists on s3c6410, and not on s3c6400, it is reserved on
+	 * s3c6400 and is always 0, and it is indeed running in ASYNC mode
+	 */
+	if (OTHERS_REG & 0x80)
+		fclk = get_FCLK();		/* SYNC Mode	*/
+	else
+		fclk = get_PLLCLK(MPLL);	/* ASYNC Mode	*/
+
+	return fclk / (hclk_div * hclkx2_div);
+}
+
+/* return PCLK frequency */
+ulong get_PCLK(void)
+{
+	ulong fclk;
+	uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1;
+	uint pre_div = ((CLK_DIV0_REG >> 12) & 0xf) + 1;
+
+	if (OTHERS_REG & 0x80)
+		fclk = get_FCLK();		/* SYNC Mode	*/
+	else
+		fclk = get_PLLCLK(MPLL);	/* ASYNC Mode	*/
+
+	return fclk / (hclkx2_div * pre_div);
+}
+
+/* return UCLK frequency */
+ulong get_UCLK(void)
+{
+	return get_PLLCLK(EPLL);
+}
+
+int print_cpuinfo(void)
+{
+	printf("\nCPU:     S3C6400@%luMHz\n", get_ARMCLK() / 1000000);
+	printf("         Fclk = %luMHz, Hclk = %luMHz, Pclk = %luMHz ",
+	       get_FCLK() / 1000000, get_HCLK() / 1000000,
+	       get_PCLK() / 1000000);
+
+	if (OTHERS_REG & 0x80)
+		printf("(SYNC Mode) \n");
+	else
+		printf("(ASYNC Mode) \n");
+	return 0;
+}
diff --git a/cpu/arm1176/start.S b/cpu/arm1176/start.S
new file mode 100644
index 00000000000..991277f1c7e
--- /dev/null
+++ b/cpu/arm1176/start.S
@@ -0,0 +1,469 @@
+/*
+ *  armboot - Startup Code for S3C6400/ARM1176 CPU-core
+ *
+ * Copyright (c) 2007	Samsung Electronics
+ *
+ * Copyright (C) 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
+ *
+ * 2007-09-21 - Restructured codes by jsgood (jsgood.yang@samsung.com)
+ * 2007-09-21 - Added MoviNAND and OneNAND boot codes by
+ * jsgood (jsgood.yang@samsung.com)
+ * Base codes by scsuh (sc.suh)
+ */
+
+#include <config.h>
+#include <version.h>
+#ifdef CONFIG_ENABLE_MMU
+#include <asm/proc/domain.h>
+#endif
+#include <s3c6400.h>
+
+#if !defined(CONFIG_ENABLE_MMU) && !defined(CFG_PHY_UBOOT_BASE)
+#define CFG_PHY_UBOOT_BASE	CFG_UBOOT_BASE
+#endif
+
+/*
+ *************************************************************************
+ *
+ * Jump vector table as in table 3.1 in [1]
+ *
+ *************************************************************************
+ */
+
+.globl _start
+_start: b	reset
+#ifndef CONFIG_NAND_SPL
+	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 */
+#else
+	. = _start + 64
+#endif
+
+.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
+ *
+ *************************************************************************
+ */
+
+_TEXT_BASE:
+	.word	TEXT_BASE
+
+/*
+ * Below variable is very important because we use MMU in U-Boot.
+ * Without it, we cannot run code correctly before MMU is ON.
+ * by scsuh.
+ */
+_TEXT_PHY_BASE:
+	.word	CFG_PHY_UBOOT_BASE
+
+.globl _armboot_start
+_armboot_start:
+	.word _start
+
+/*
+ * These are defined in the board-specific linker script.
+ */
+.globl _bss_start
+_bss_start:
+	.word __bss_start
+
+.globl _bss_end
+_bss_end:
+	.word _end
+
+/*
+ * the actual reset code
+ */
+
+reset:
+	/*
+	 * set the cpu to SVC32 mode
+	 */
+	mrs	r0, cpsr
+	bic	r0, r0, #0x3f
+	orr	r0, r0, #0xd3
+	msr	cpsr, r0
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+	/*
+	 * we do sys-critical inits only at reboot,
+	 * not when booting from ram!
+	 */
+cpu_init_crit:
+	/*
+	 * When booting from NAND - it has definitely been a reset, so, no need
+	 * to flush caches and disable the MMU
+	 */
+#ifndef CONFIG_NAND_SPL
+	/*
+	 * flush v4 I/D caches
+	 */
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c7, 0	/* flush v3/v4 cache */
+	mcr	p15, 0, r0, c8, c7, 0	/* flush v4 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
+	/* Prepare to disable the MMU */
+	adr	r1, mmu_disable_phys
+	/* We presume we're within the first 1024 bytes */
+	and	r1, r1, #0x3fc
+	ldr	r2, _TEXT_PHY_BASE
+	ldr	r3, =0xfff00000
+	and	r2, r2, r3
+	orr	r2, r2, r1
+	b	mmu_disable
+
+	.align 5
+	/* Run in a single cache-line */
+mmu_disable:
+	mcr	p15, 0, r0, c1, c0, 0
+	nop
+	nop
+	mov	pc, r2
+#endif
+
+mmu_disable_phys:
+	/* Peri port setup */
+	ldr	r0, =0x70000000
+	orr	r0, r0, #0x13
+	mcr	p15,0,r0,c15,c2,4       @ 256M (0x70000000 - 0x7fffffff)
+
+	/*
+	 * Go setup Memory and board specific bits prior to relocation.
+	 */
+	bl	lowlevel_init		/* go setup pll,mux,memory */
+
+after_copy:
+#ifdef CONFIG_ENABLE_MMU
+enable_mmu:
+	/* enable domain access */
+	ldr	r5, =0x0000ffff
+	mcr	p15, 0, r5, c3, c0, 0	/* load domain access register */
+
+	/* Set the TTB register */
+	ldr	r0, _mmu_table_base
+	ldr	r1, =CFG_PHY_UBOOT_BASE
+	ldr	r2, =0xfff00000
+	bic	r0, r0, r2
+	orr	r1, r0, r1
+	mcr	p15, 0, r1, c2, c0, 0
+
+	/* Enable the MMU */
+	mrc	p15, 0, r0, c1, c0, 0
+	orr	r0, r0, #1		/* Set CR_M to enable MMU */
+
+	/* Prepare to enable the MMU */
+	adr	r1, skip_hw_init
+	and	r1, r1, #0x3fc
+	ldr	r2, _TEXT_BASE
+	ldr	r3, =0xfff00000
+	and	r2, r2, r3
+	orr	r2, r2, r1
+	b	mmu_enable
+
+	.align 5
+	/* Run in a single cache-line */
+mmu_enable:
+
+	mcr	p15, 0, r0, c1, c0, 0
+	nop
+	nop
+	mov	pc, r2
+#endif
+
+skip_hw_init:
+	/* Set up the stack						    */
+stack_setup:
+#ifdef CONFIG_MEMORY_UPPER_CODE
+	ldr	sp, =(CFG_UBOOT_BASE + CFG_UBOOT_SIZE - 0xc)
+#else
+	ldr	r0, _TEXT_BASE		/* upper 128 KiB: relocated uboot   */
+	sub	r0, r0, #CFG_MALLOC_LEN	/* malloc area                      */
+	sub	r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo                        */
+	sub	sp, r0, #12		/* leave 3 words for abort-stack    */
+
+#endif
+
+clear_bss:
+	ldr	r0, _bss_start		/* find start of bss segment        */
+	ldr	r1, _bss_end		/* stop here                        */
+	mov 	r2, #0			/* clear                            */
+
+clbss_l:
+	str	r2, [r0]		/* clear loop...                    */
+	add	r0, r0, #4
+	cmp	r0, r1
+	ble	clbss_l
+
+#ifndef CONFIG_NAND_SPL
+	ldr	pc, _start_armboot
+
+_start_armboot:
+	.word start_armboot
+#else
+	b	nand_boot
+/*	.word nand_boot*/
+#endif
+
+#ifdef CONFIG_ENABLE_MMU
+_mmu_table_base:
+	.word mmu_table
+#endif
+
+#ifndef CONFIG_NAND_SPL
+/*
+ * we assume that cache operation is done before. (eg. cleanup_before_linux())
+ * actually, we don't need to do anything about cache if not use d-cache in
+ * U-Boot. So, in this function we clean only MMU. by scsuh
+ *
+ * void	theLastJump(void *kernel, int arch_num, uint boot_params);
+ */
+#ifdef CONFIG_ENABLE_MMU
+	.globl theLastJump
+theLastJump:
+	mov	r9, r0
+	ldr	r3, =0xfff00000
+	ldr	r4, _TEXT_PHY_BASE
+	adr	r5, phy_last_jump
+	bic	r5, r5, r3
+	orr	r5, r5, r4
+	mov	pc, r5
+phy_last_jump:
+	/*
+	 * disable MMU stuff
+	 */
+	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
+
+	mcr	p15, 0, r0, c8, c7, 0	/* flush v4 TLB */
+
+	mov	r0, #0
+	mov	pc, r9
+#endif
+/*
+ *************************************************************************
+ *
+ * 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 ...
+ */
+
+	.macro	bad_save_user_regs
+	/* carve out a frame on current user stack */
+	sub	sp, sp, #S_FRAME_SIZE
+	/* Save user registers (now in svc mode) r0-r12 */
+	stmia	sp, {r0 - r12}
+
+	ldr	r2, _armboot_start
+	sub	r2, r2, #(CFG_MALLOC_LEN)
+	/* set base 2 words into abort stack */
+	sub	r2, r2, #(CFG_GBL_DATA_SIZE+8)
+	/* get values for "aborted" pc and cpsr (into parm regs) */
+	ldmia	r2, {r2 - r3}
+	/* grab pointer to old stack */
+	add	r0, sp, #S_FRAME_SIZE
+
+	add	r5, sp, #S_SP
+	mov	r1, lr
+	/* save sp_SVC, lr_SVC, pc, cpsr */
+	stmia	r5, {r0 - r3}
+	/* save current stack into r0 (param register) */
+	mov	r0, sp
+	.endm
+
+	.macro get_bad_stack
+	/* setup our mode stack (enter in banked mode) */
+	ldr	r13, _armboot_start
+	/* move past malloc pool */
+	sub	r13, r13, #(CFG_MALLOC_LEN)
+	/* move to reserved a couple spots for abort stack */
+	sub	r13, r13, #(CFG_GBL_DATA_SIZE + 8)
+
+	/* save caller lr in position 0 of saved stack */
+	str	lr, [r13]
+	/* get the spsr */
+	mrs	lr, spsr
+	/* save spsr in position 1 of saved stack */
+	str	lr, [r13, #4]
+
+	/* prepare SVC-Mode */
+	mov	r13, #MODE_SVC
+	@ msr	spsr_c, r13
+	/* switch modes, make sure moves will execute */
+	msr	spsr, r13
+	/* capture return pc */
+	mov	lr, pc
+	/* jump to next instruction & switch modes. */
+	movs	pc, lr
+	.endm
+
+	.macro get_bad_stack_swi
+	/* space on current stack for scratch reg. */
+	sub	r13, r13, #4
+	/* save R0's value. */
+	str	r0, [r13]
+	/* get data regions start */
+	ldr	r0, _armboot_start
+	/* move past malloc pool */
+	sub	r0, r0, #(CFG_MALLOC_LEN)
+	/* move past gbl and a couple spots for abort stack */
+	sub	r0, r0, #(CFG_GBL_DATA_SIZE + 8)
+	/* save caller lr in position 0 of saved stack */
+	str	lr, [r0]
+	/* get the spsr */
+	mrs	r0, spsr
+	/* save spsr in position 1 of saved stack */
+	str	lr, [r0, #4]
+	/* restore r0 */
+	ldr	r0, [r13]
+	/* pop stack entry */
+	add	r13, r13, #4
+	.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
+
+	.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 /* CONFIG_NAND_SPL */
diff --git a/include/asm-arm/arch-s3c64xx/hardware.h b/include/asm-arm/arch-s3c64xx/hardware.h
new file mode 100644
index 00000000000..84d24c93841
--- /dev/null
+++ b/include/asm-arm/arch-s3c64xx/hardware.h
@@ -0,0 +1,63 @@
+/*
+ * Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400
+ *
+ * (C) Copyright 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+ *
+ * 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
+ */
+
+#ifndef _ARCH_HARDWARE_H_
+#define _ARCH_HARDWARE_H_
+
+#include <asm/sizes.h>
+
+#ifndef __ASSEMBLY__
+#define UData(Data)	((unsigned long) (Data))
+
+#define __REG(x)	(*(vu_long *)(x))
+#define __REGl(x)	(*(vu_long *)(x))
+#define __REGw(x)	(*(vu_short *)(x))
+#define __REGb(x)	(*(vu_char *)(x))
+#define __REG2(x, y)	(*(vu_long *)((x) + (y)))
+#else
+#define UData(Data)	(Data)
+
+#define __REG(x)	(x)
+#define __REGl(x)	(x)
+#define __REGw(x)	(x)
+#define __REGb(x)	(x)
+#define __REG2(x, y)	((x) + (y))
+#endif
+
+#define Fld(Size, Shft)	(((Size) << 16) + (Shft))
+
+#define FSize(Field)	((Field) >> 16)
+#define FShft(Field)	((Field) & 0x0000FFFF)
+#define FMsk(Field)	(((UData (1) << FSize (Field)) - 1) << FShft (Field))
+#define FAlnMsk(Field)	((UData (1) << FSize (Field)) - 1)
+#define F1stBit(Field)	(UData (1) << FShft (Field))
+
+#define FClrBit(Data, Bit)	(Data = (Data & ~(Bit)))
+#define FClrFld(Data, Field)	(Data = (Data & ~FMsk(Field)))
+
+#define FInsrt(Value, Field) \
+			(UData (Value) << FShft (Field))
+
+#define FExtr(Data, Field) \
+			((UData (Data) >> FShft (Field)) & FAlnMsk (Field))
+
+#endif /* _ARCH_HARDWARE_H_ */
diff --git a/include/common.h b/include/common.h
index de3d595ed25..a394988b5ce 100644
--- a/include/common.h
+++ b/include/common.h
@@ -490,7 +490,8 @@ int	prt_mpc8220_clks (void);
 ulong	get_OPB_freq (void);
 ulong	get_PCI_freq (void);
 #endif
-#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X)
+#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || \
+	defined(CONFIG_LH7A40X) || defined(CONFIG_S3C6400)
 void	s3c2410_irq(void);
 #define ARM920_IRQ_CALLBACK s3c2410_irq
 ulong	get_FCLK (void);
diff --git a/include/s3c6400.h b/include/s3c6400.h
new file mode 100644
index 00000000000..fd3e99bcfa2
--- /dev/null
+++ b/include/s3c6400.h
@@ -0,0 +1,894 @@
+/*
+ * (C) Copyright 2007
+ * Byungjae Lee, Samsung Erectronics, bjlee@samsung.com.
+ *      - only support for S3C6400
+ *
+ * (C) Copyright 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+ *
+ * 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
+ */
+
+/************************************************
+ * NAME	    : s3c6400.h
+ *
+ * Based on S3C6400 User's manual Rev 0.0
+ ************************************************/
+
+#ifndef __S3C6400_H__
+#define __S3C6400_H__
+
+#ifndef CONFIG_S3C6400
+#define CONFIG_S3C6400		1
+#endif
+
+#define S3C64XX_UART_CHANNELS	3
+#define S3C64XX_SPI_CHANNELS	2
+
+#include <asm/hardware.h>
+
+#define ELFIN_CLOCK_POWER_BASE	0x7e00f000
+
+/* Clock & Power Controller for mDirac3*/
+#define APLL_LOCK_OFFSET	0x00
+#define MPLL_LOCK_OFFSET	0x04
+#define EPLL_LOCK_OFFSET	0x08
+#define APLL_CON_OFFSET		0x0C
+#define MPLL_CON_OFFSET		0x10
+#define EPLL_CON0_OFFSET	0x14
+#define EPLL_CON1_OFFSET	0x18
+#define CLK_SRC_OFFSET		0x1C
+#define CLK_DIV0_OFFSET		0x20
+#define CLK_DIV1_OFFSET		0x24
+#define CLK_DIV2_OFFSET		0x28
+#define CLK_OUT_OFFSET		0x2C
+#define HCLK_GATE_OFFSET	0x30
+#define PCLK_GATE_OFFSET	0x34
+#define SCLK_GATE_OFFSET	0x38
+#define AHB_CON0_OFFSET		0x100
+#define AHB_CON1_OFFSET		0x104
+#define AHB_CON2_OFFSET		0x108
+#define SELECT_DMA_OFFSET	0x110
+#define SW_RST_OFFSET		0x114
+#define SYS_ID_OFFSET		0x118
+#define MEM_SYS_CFG_OFFSET	0x120
+#define QOS_OVERRIDE0_OFFSET	0x124
+#define QOS_OVERRIDE1_OFFSET	0x128
+#define MEM_CFG_STAT_OFFSET	0x12C
+#define PWR_CFG_OFFSET		0x804
+#define EINT_MASK_OFFSET	0x808
+#define NOR_CFG_OFFSET		0x810
+#define STOP_CFG_OFFSET		0x814
+#define SLEEP_CFG_OFFSET	0x818
+#define OSC_FREQ_OFFSET		0x820
+#define OSC_STABLE_OFFSET	0x824
+#define PWR_STABLE_OFFSET	0x828
+#define FPC_STABLE_OFFSET	0x82C
+#define MTC_STABLE_OFFSET	0x830
+#define OTHERS_OFFSET		0x900
+#define RST_STAT_OFFSET		0x904
+#define WAKEUP_STAT_OFFSET	0x908
+#define BLK_PWR_STAT_OFFSET	0x90C
+#define INF_REG0_OFFSET		0xA00
+#define INF_REG1_OFFSET		0xA04
+#define INF_REG2_OFFSET		0xA08
+#define INF_REG3_OFFSET		0xA0C
+#define INF_REG4_OFFSET		0xA10
+#define INF_REG5_OFFSET		0xA14
+#define INF_REG6_OFFSET		0xA18
+#define INF_REG7_OFFSET		0xA1C
+
+#define OSC_CNT_VAL_OFFSET	0x824
+#define PWR_CNT_VAL_OFFSET	0x828
+#define FPC_CNT_VAL_OFFSET	0x82C
+#define MTC_CNT_VAL_OFFSET	0x830
+
+#define APLL_LOCK_REG		__REG(ELFIN_CLOCK_POWER_BASE + APLL_LOCK_OFFSET)
+#define MPLL_LOCK_REG		__REG(ELFIN_CLOCK_POWER_BASE + MPLL_LOCK_OFFSET)
+#define EPLL_LOCK_REG		__REG(ELFIN_CLOCK_POWER_BASE + EPLL_LOCK_OFFSET)
+#define APLL_CON_REG		__REG(ELFIN_CLOCK_POWER_BASE + APLL_CON_OFFSET)
+#define MPLL_CON_REG		__REG(ELFIN_CLOCK_POWER_BASE + MPLL_CON_OFFSET)
+#define EPLL_CON0_REG		__REG(ELFIN_CLOCK_POWER_BASE + EPLL_CON0_OFFSET)
+#define EPLL_CON1_REG		__REG(ELFIN_CLOCK_POWER_BASE + EPLL_CON1_OFFSET)
+#define CLK_SRC_REG		__REG(ELFIN_CLOCK_POWER_BASE + CLK_SRC_OFFSET)
+#define CLK_DIV0_REG		__REG(ELFIN_CLOCK_POWER_BASE + CLK_DIV0_OFFSET)
+#define CLK_DIV1_REG		__REG(ELFIN_CLOCK_POWER_BASE + CLK_DIV1_OFFSET)
+#define CLK_DIV2_REG		__REG(ELFIN_CLOCK_POWER_BASE + CLK_DIV2_OFFSET)
+#define CLK_OUT_REG		__REG(ELFIN_CLOCK_POWER_BASE + CLK_OUT_OFFSET)
+#define HCLK_GATE_REG		__REG(ELFIN_CLOCK_POWER_BASE + HCLK_GATE_OFFSET)
+#define PCLK_GATE_REG		__REG(ELFIN_CLOCK_POWER_BASE + PCLK_GATE_OFFSET)
+#define SCLK_GATE_REG		__REG(ELFIN_CLOCK_POWER_BASE + SCLK_GATE_OFFSET)
+#define AHB_CON0_REG		__REG(ELFIN_CLOCK_POWER_BASE + AHB_CON0_OFFSET)
+#define AHB_CON1_REG		__REG(ELFIN_CLOCK_POWER_BASE + AHB_CON1_OFFSET)
+#define AHB_CON2_REG		__REG(ELFIN_CLOCK_POWER_BASE + AHB_CON2_OFFSET)
+#define SELECT_DMA_REG		__REG(ELFIN_CLOCK_POWER_BASE + \
+				      SELECT_DMA_OFFSET)
+#define SW_RST_REG		__REG(ELFIN_CLOCK_POWER_BASE + SW_RST_OFFSET)
+#define SYS_ID_REG		__REG(ELFIN_CLOCK_POWER_BASE + SYS_ID_OFFSET)
+#define MEM_SYS_CFG_REG		__REG(ELFIN_CLOCK_POWER_BASE + \
+				      MEM_SYS_CFG_OFFSET)
+#define QOS_OVERRIDE0_REG	__REG(ELFIN_CLOCK_POWER_BASE + \
+				      QOS_OVERRIDE0_OFFSET)
+#define QOS_OVERRIDE1_REG	__REG(ELFIN_CLOCK_POWER_BASE + \
+				      QOS_OVERRIDE1_OFFSET)
+#define MEM_CFG_STAT_REG	__REG(ELFIN_CLOCK_POWER_BASE + \
+				      MEM_CFG_STAT_OFFSET)
+#define PWR_CFG_REG		__REG(ELFIN_CLOCK_POWER_BASE + PWR_CFG_OFFSET)
+#define EINT_MASK_REG		__REG(ELFIN_CLOCK_POWER_BASE + EINT_MASK_OFFSET)
+#define NOR_CFG_REG		__REG(ELFIN_CLOCK_POWER_BASE + NOR_CFG_OFFSET)
+#define STOP_CFG_REG		__REG(ELFIN_CLOCK_POWER_BASE + STOP_CFG_OFFSET)
+#define SLEEP_CFG_REG		__REG(ELFIN_CLOCK_POWER_BASE + SLEEP_CFG_OFFSET)
+#define OSC_FREQ_REG		__REG(ELFIN_CLOCK_POWER_BASE + OSC_FREQ_OFFSET)
+#define OSC_CNT_VAL_REG		__REG(ELFIN_CLOCK_POWER_BASE + \
+				      OSC_CNT_VAL_OFFSET)
+#define PWR_CNT_VAL_REG		__REG(ELFIN_CLOCK_POWER_BASE + \
+				      PWR_CNT_VAL_OFFSET)
+#define FPC_CNT_VAL_REG		__REG(ELFIN_CLOCK_POWER_BASE + \
+				      FPC_CNT_VAL_OFFSET)
+#define MTC_CNT_VAL_REG		__REG(ELFIN_CLOCK_POWER_BASE + \
+				      MTC_CNT_VAL_OFFSET)
+#define OTHERS_REG		__REG(ELFIN_CLOCK_POWER_BASE + OTHERS_OFFSET)
+#define RST_STAT_REG		__REG(ELFIN_CLOCK_POWER_BASE + RST_STAT_OFFSET)
+#define WAKEUP_STAT_REG		__REG(ELFIN_CLOCK_POWER_BASE + \
+				      WAKEUP_STAT_OFFSET)
+#define BLK_PWR_STAT_REG	__REG(ELFIN_CLOCK_POWER_BASE + \
+				      BLK_PWR_STAT_OFFSET)
+#define INF_REG0_REG		__REG(ELFIN_CLOCK_POWER_BASE + INF_REG0_OFFSET)
+#define INF_REG1_REG		__REG(ELFIN_CLOCK_POWER_BASE + INF_REG1_OFFSET)
+#define INF_REG2_REG		__REG(ELFIN_CLOCK_POWER_BASE + INF_REG2_OFFSET)
+#define INF_REG3_REG		__REG(ELFIN_CLOCK_POWER_BASE + INF_REG3_OFFSET)
+#define INF_REG4_REG		__REG(ELFIN_CLOCK_POWER_BASE + INF_REG4_OFFSET)
+#define INF_REG5_REG		__REG(ELFIN_CLOCK_POWER_BASE + INF_REG5_OFFSET)
+#define INF_REG6_REG		__REG(ELFIN_CLOCK_POWER_BASE + INF_REG6_OFFSET)
+#define INF_REG7_REG		__REG(ELFIN_CLOCK_POWER_BASE + INF_REG7_OFFSET)
+
+#define APLL_LOCK	(ELFIN_CLOCK_POWER_BASE + APLL_LOCK_OFFSET)
+#define MPLL_LOCK	(ELFIN_CLOCK_POWER_BASE + MPLL_LOCK_OFFSET)
+#define EPLL_LOCK	(ELFIN_CLOCK_POWER_BASE + EPLL_LOCK_OFFSET)
+#define APLL_CON	(ELFIN_CLOCK_POWER_BASE + APLL_CON_OFFSET)
+#define MPLL_CON	(ELFIN_CLOCK_POWER_BASE + MPLL_CON_OFFSET)
+#define EPLL_CON0	(ELFIN_CLOCK_POWER_BASE + EPLL_CON0_OFFSET)
+#define EPLL_CON1	(ELFIN_CLOCK_POWER_BASE + EPLL_CON1_OFFSET)
+#define CLK_SRC		(ELFIN_CLOCK_POWER_BASE + CLK_SRC_OFFSET)
+#define CLK_DIV0	(ELFIN_CLOCK_POWER_BASE + CLK_DIV0_OFFSET)
+#define CLK_DIV1	(ELFIN_CLOCK_POWER_BASE + CLK_DIV1_OFFSET)
+#define CLK_DIV2	(ELFIN_CLOCK_POWER_BASE + CLK_DIV2_OFFSET)
+#define CLK_OUT		(ELFIN_CLOCK_POWER_BASE + CLK_OUT_OFFSET)
+#define HCLK_GATE	(ELFIN_CLOCK_POWER_BASE + HCLK_GATE_OFFSET)
+#define PCLK_GATE	(ELFIN_CLOCK_POWER_BASE + PCLK_GATE_OFFSET)
+#define SCLK_GATE	(ELFIN_CLOCK_POWER_BASE + SCLK_GATE_OFFSET)
+#define AHB_CON0	(ELFIN_CLOCK_POWER_BASE + AHB_CON0_OFFSET)
+#define AHB_CON1	(ELFIN_CLOCK_POWER_BASE + AHB_CON1_OFFSET)
+#define AHB_CON2	(ELFIN_CLOCK_POWER_BASE + AHB_CON2_OFFSET)
+#define SELECT_DMA	(ELFIN_CLOCK_POWER_BASE + SELECT_DMA_OFFSET)
+#define SW_RST		(ELFIN_CLOCK_POWER_BASE + SW_RST_OFFSET)
+#define SYS_ID		(ELFIN_CLOCK_POWER_BASE + SYS_ID_OFFSET)
+#define MEM_SYS_CFG	(ELFIN_CLOCK_POWER_BASE + MEM_SYS_CFG_OFFSET)
+#define QOS_OVERRIDE0	(ELFIN_CLOCK_POWER_BASE + QOS_OVERRIDE0_OFFSET)
+#define QOS_OVERRIDE1	(ELFIN_CLOCK_POWER_BASE + QOS_OVERRIDE1_OFFSET)
+#define MEM_CFG_STAT	(ELFIN_CLOCK_POWER_BASE + MEM_CFG_STAT_OFFSET)
+#define PWR_CFG		(ELFIN_CLOCK_POWER_BASE + PWR_CFG_OFFSET)
+#define EINT_MASK	(ELFIN_CLOCK_POWER_BASE + EINT_MASK_OFFSET)
+#define NOR_CFG		(ELFIN_CLOCK_POWER_BASE + NOR_CFG_OFFSET)
+#define STOP_CFG	(ELFIN_CLOCK_POWER_BASE + STOP_CFG_OFFSET)
+#define SLEEP_CFG	(ELFIN_CLOCK_POWER_BASE + SLEEP_CFG_OFFSET)
+#define OSC_FREQ	(ELFIN_CLOCK_POWER_BASE + OSC_FREQ_OFFSET)
+#define OSC_CNT_VAL	(ELFIN_CLOCK_POWER_BASE + OSC_CNT_VAL_OFFSET)
+#define PWR_CNT_VAL	(ELFIN_CLOCK_POWER_BASE + PWR_CNT_VAL_OFFSET)
+#define FPC_CNT_VAL	(ELFIN_CLOCK_POWER_BASE + FPC_CNT_VAL_OFFSET)
+#define MTC_CNT_VAL	(ELFIN_CLOCK_POWER_BASE + MTC_CNT_VAL_OFFSET)
+#define OTHERS		(ELFIN_CLOCK_POWER_BASE + OTHERS_OFFSET)
+#define RST_STAT	(ELFIN_CLOCK_POWER_BASE + RST_STAT_OFFSET)
+#define WAKEUP_STAT	(ELFIN_CLOCK_POWER_BASE + WAKEUP_STAT_OFFSET)
+#define BLK_PWR_STAT	(ELFIN_CLOCK_POWER_BASE + BLK_PWR_STAT_OFFSET)
+#define INF_REG0	(ELFIN_CLOCK_POWER_BASE + INF_REG0_OFFSET)
+#define INF_REG1	(ELFIN_CLOCK_POWER_BASE + INF_REG1_OFFSET)
+#define INF_REG2	(ELFIN_CLOCK_POWER_BASE + INF_REG2_OFFSET)
+#define INF_REG3	(ELFIN_CLOCK_POWER_BASE + INF_REG3_OFFSET)
+#define INF_REG4	(ELFIN_CLOCK_POWER_BASE + INF_REG4_OFFSET)
+#define INF_REG5	(ELFIN_CLOCK_POWER_BASE + INF_REG5_OFFSET)
+#define INF_REG6	(ELFIN_CLOCK_POWER_BASE + INF_REG6_OFFSET)
+#define INF_REG7	(ELFIN_CLOCK_POWER_BASE + INF_REG7_OFFSET)
+
+
+/*
+ * GPIO
+ */
+#define ELFIN_GPIO_BASE		0x7f008000
+
+#define GPACON_OFFSET		0x00
+#define GPADAT_OFFSET		0x04
+#define GPAPUD_OFFSET		0x08
+#define GPACONSLP_OFFSET	0x0C
+#define GPAPUDSLP_OFFSET	0x10
+#define GPBCON_OFFSET		0x20
+#define GPBDAT_OFFSET		0x04
+#define GPBPUD_OFFSET		0x08
+#define GPBCONSLP_OFFSET	0x0C
+#define GPBPUDSLP_OFFSET	0x30
+#define GPCCON_OFFSET		0x40
+#define GPCDAT_OFFSET		0x44
+#define GPCPUD_OFFSET		0x48
+#define GPCCONSLP_OFFSET	0x4C
+#define GPCPUDSLP_OFFSET	0x50
+#define GPDCON_OFFSET		0x60
+#define GPDDAT_OFFSET		0x64
+#define GPDPUD_OFFSET		0x68
+#define GPDCONSLP_OFFSET	0x6C
+#define GPDPUDSLP_OFFSET	0x70
+#define GPECON_OFFSET		0x80
+#define GPEDAT_OFFSET		0x84
+#define GPEPUD_OFFSET		0x88
+#define GPECONSLP_OFFSET	0x8C
+#define GPEPUDSLP_OFFSET	0x90
+#define GPFCON_OFFSET		0xA0
+#define GPFDAT_OFFSET		0xA4
+#define GPFPUD_OFFSET		0xA8
+#define GPFCONSLP_OFFSET	0xAC
+#define GPFPUDSLP_OFFSET	0xB0
+#define GPGCON_OFFSET		0xC0
+#define GPGDAT_OFFSET		0xC4
+#define GPGPUD_OFFSET		0xC8
+#define GPGCONSLP_OFFSET	0xCC
+#define GPGPUDSLP_OFFSET	0xD0
+#define GPHCON0_OFFSET		0xE0
+#define GPHCON1_OFFSET		0xE4
+#define GPHDAT_OFFSET		0xE8
+#define GPHPUD_OFFSET		0xEC
+#define GPHCONSLP_OFFSET	0xF0
+#define GPHPUDSLP_OFFSET	0xF4
+#define GPICON_OFFSET		0x100
+#define GPIDAT_OFFSET		0x104
+#define GPIPUD_OFFSET		0x108
+#define GPICONSLP_OFFSET	0x10C
+#define GPIPUDSLP_OFFSET	0x110
+#define GPJCON_OFFSET		0x120
+#define GPJDAT_OFFSET		0x124
+#define GPJPUD_OFFSET		0x128
+#define GPJCONSLP_OFFSET	0x12C
+#define GPJPUDSLP_OFFSET	0x130
+#define MEM0DRVCON_OFFSET	0x1D0
+#define MEM1DRVCON_OFFSET	0x1D4
+#define GPKCON0_OFFSET		0x800
+#define GPKCON1_OFFSET		0x804
+#define GPKDAT_OFFSET		0x808
+#define GPKPUD_OFFSET		0x80C
+#define GPLCON0_OFFSET		0x810
+#define GPLCON1_OFFSET		0x814
+#define GPLDAT_OFFSET		0x818
+#define GPLPUD_OFFSET		0x81C
+#define GPMCON_OFFSET		0x820
+#define GPMDAT_OFFSET		0x824
+#define GPMPUD_OFFSET		0x828
+#define GPNCON_OFFSET		0x830
+#define GPNDAT_OFFSET		0x834
+#define GPNPUD_OFFSET		0x838
+#define GPOCON_OFFSET		0x140
+#define GPODAT_OFFSET		0x144
+#define GPOPUD_OFFSET		0x148
+#define GPOCONSLP_OFFSET	0x14C
+#define GPOPUDSLP_OFFSET	0x150
+#define GPPCON_OFFSET		0x160
+#define GPPDAT_OFFSET		0x164
+#define GPPPUD_OFFSET		0x168
+#define GPPCONSLP_OFFSET	0x16C
+#define GPPPUDSLP_OFFSET	0x170
+#define GPQCON_OFFSET		0x180
+#define GPQDAT_OFFSET		0x184
+#define GPQPUD_OFFSET		0x188
+#define GPQCONSLP_OFFSET	0x18C
+#define GPQPUDSLP_OFFSET	0x190
+
+#define EINTPEND_OFFSET		0x924
+
+#define GPACON_REG		__REG(ELFIN_GPIO_BASE + GPACON_OFFSET)
+#define GPADAT_REG		__REG(ELFIN_GPIO_BASE + GPADAT_OFFSET)
+#define GPAPUD_REG		__REG(ELFIN_GPIO_BASE + GPAPUD_OFFSET)
+#define GPACONSLP_REG		__REG(ELFIN_GPIO_BASE + GPACONSLP_OFFSET)
+#define GPAPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPAPUDSLP_OFFSET)
+#define GPBCON_REG		__REG(ELFIN_GPIO_BASE + GPBCON_OFFSET)
+#define GPBDAT_REG		__REG(ELFIN_GPIO_BASE + GPBDAT_OFFSET)
+#define GPBPUD_REG		__REG(ELFIN_GPIO_BASE + GPBPUD_OFFSET)
+#define GPBCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPBCONSLP_OFFSET)
+#define GPBPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPBPUDSLP_OFFSET)
+#define GPCCON_REG		__REG(ELFIN_GPIO_BASE + GPCCON_OFFSET)
+#define GPCDAT_REG		__REG(ELFIN_GPIO_BASE + GPCDAT_OFFSET)
+#define GPCPUD_REG		__REG(ELFIN_GPIO_BASE + GPCPUD_OFFSET)
+#define GPCCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPCCONSLP_OFFSET)
+#define GPCPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPCPUDSLP_OFFSET)
+#define GPDCON_REG		__REG(ELFIN_GPIO_BASE + GPDCON_OFFSET)
+#define GPDDAT_REG		__REG(ELFIN_GPIO_BASE + GPDDAT_OFFSET)
+#define GPDPUD_REG		__REG(ELFIN_GPIO_BASE + GPDPUD_OFFSET)
+#define GPDCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPDCONSLP_OFFSET)
+#define GPDPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPDPUDSLP_OFFSET)
+#define GPECON_REG		__REG(ELFIN_GPIO_BASE + GPECON_OFFSET)
+#define GPEDAT_REG		__REG(ELFIN_GPIO_BASE + GPEDAT_OFFSET)
+#define GPEPUD_REG		__REG(ELFIN_GPIO_BASE + GPEPUD_OFFSET)
+#define GPECONSLP_REG		__REG(ELFIN_GPIO_BASE + GPECONSLP_OFFSET)
+#define GPEPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPEPUDSLP_OFFSET)
+#define GPFCON_REG		__REG(ELFIN_GPIO_BASE + GPFCON_OFFSET)
+#define GPFDAT_REG		__REG(ELFIN_GPIO_BASE + GPFDAT_OFFSET)
+#define GPFPUD_REG		__REG(ELFIN_GPIO_BASE + GPFPUD_OFFSET)
+#define GPFCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPFCONSLP_OFFSET)
+#define GPFPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPFPUDSLP_OFFSET)
+#define GPGCON_REG		__REG(ELFIN_GPIO_BASE + GPGCON_OFFSET)
+#define GPGDAT_REG		__REG(ELFIN_GPIO_BASE + GPGDAT_OFFSET)
+#define GPGPUD_REG		__REG(ELFIN_GPIO_BASE + GPGPUD_OFFSET)
+#define GPGCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPGCONSLP_OFFSET)
+#define GPGPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPGPUDSLP_OFFSET)
+#define GPHCON0_REG		__REG(ELFIN_GPIO_BASE + GPHCON0_OFFSET)
+#define GPHCON1_REG		__REG(ELFIN_GPIO_BASE + GPHCON1_OFFSET)
+#define GPHDAT_REG		__REG(ELFIN_GPIO_BASE + GPHDAT_OFFSET)
+#define GPHPUD_REG		__REG(ELFIN_GPIO_BASE + GPHPUD_OFFSET)
+#define GPHCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPHCONSLP_OFFSET)
+#define GPHPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPHPUDSLP_OFFSET)
+#define GPICON_REG		__REG(ELFIN_GPIO_BASE + GPICON_OFFSET)
+#define GPIDAT_REG		__REG(ELFIN_GPIO_BASE + GPIDAT_OFFSET)
+#define GPIPUD_REG		__REG(ELFIN_GPIO_BASE + GPIPUD_OFFSET)
+#define GPICONSLP_REG		__REG(ELFIN_GPIO_BASE + GPICONSLP_OFFSET)
+#define GPIPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPIPUDSLP_OFFSET)
+#define GPJCON_REG		__REG(ELFIN_GPIO_BASE + GPJCON_OFFSET)
+#define GPJDAT_REG		__REG(ELFIN_GPIO_BASE + GPJDAT_OFFSET)
+#define GPJPUD_REG		__REG(ELFIN_GPIO_BASE + GPJPUD_OFFSET)
+#define GPJCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPJCONSLP_OFFSET)
+#define GPJPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPJPUDSLP_OFFSET)
+#define GPKCON0_REG		__REG(ELFIN_GPIO_BASE + GPKCON0_OFFSET)
+#define GPKCON1_REG		__REG(ELFIN_GPIO_BASE + GPKCON1_OFFSET)
+#define GPKDAT_REG		__REG(ELFIN_GPIO_BASE + GPKDAT_OFFSET)
+#define GPKPUD_REG		__REG(ELFIN_GPIO_BASE + GPKPUD_OFFSET)
+#define GPLCON0_REG		__REG(ELFIN_GPIO_BASE + GPLCON0_OFFSET)
+#define GPLCON1_REG		__REG(ELFIN_GPIO_BASE + GPLCON1_OFFSET)
+#define GPLDAT_REG		__REG(ELFIN_GPIO_BASE + GPLDAT_OFFSET)
+#define GPLPUD_REG		__REG(ELFIN_GPIO_BASE + GPLPUD_OFFSET)
+#define GPMCON_REG		__REG(ELFIN_GPIO_BASE + GPMCON_OFFSET)
+#define GPMDAT_REG		__REG(ELFIN_GPIO_BASE + GPMDAT_OFFSET)
+#define GPMPUD_REG		__REG(ELFIN_GPIO_BASE + GPMPUD_OFFSET)
+#define GPNCON_REG		__REG(ELFIN_GPIO_BASE + GPNCON_OFFSET)
+#define GPNDAT_REG		__REG(ELFIN_GPIO_BASE + GPNDAT_OFFSET)
+#define GPNPUD_REG		__REG(ELFIN_GPIO_BASE + GPNPUD_OFFSET)
+#define GPOCON_REG		__REG(ELFIN_GPIO_BASE + GPOCON_OFFSET)
+#define GPODAT_REG		__REG(ELFIN_GPIO_BASE + GPODAT_OFFSET)
+#define GPOPUD_REG		__REG(ELFIN_GPIO_BASE + GPOPUD_OFFSET)
+#define GPOCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPOCONSLP_OFFSET)
+#define GPOPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPOPUDSLP_OFFSET)
+#define GPPCON_REG		__REG(ELFIN_GPIO_BASE + GPPCON_OFFSET)
+#define GPPDAT_REG		__REG(ELFIN_GPIO_BASE + GPPDAT_OFFSET)
+#define GPPPUD_REG		__REG(ELFIN_GPIO_BASE + GPPPUD_OFFSET)
+#define GPPCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPPCONSLP_OFFSET)
+#define GPPPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPPPUDSLP_OFFSET)
+#define GPQCON_REG		__REG(ELFIN_GPIO_BASE + GPQCON_OFFSET)
+#define GPQDAT_REG		__REG(ELFIN_GPIO_BASE + GPQDAT_OFFSET)
+#define GPQPUD_REG		__REG(ELFIN_GPIO_BASE + GPQPUD_OFFSET)
+#define GPQCONSLP_REG		__REG(ELFIN_GPIO_BASE + GPQCONSLP_OFFSET)
+#define GPQPUDSLP_REG		__REG(ELFIN_GPIO_BASE + GPQPUDSLP_OFFSET)
+
+/*
+ * Bus Matrix
+ */
+#define ELFIN_MEM_SYS_CFG	0x7e00f120
+
+#define GPACON		(ELFIN_GPIO_BASE + GPACON_OFFSET)
+#define GPADAT		(ELFIN_GPIO_BASE + GPADAT_OFFSET)
+#define GPAPUD		(ELFIN_GPIO_BASE + GPAPUD_OFFSET)
+#define GPACONSLP	(ELFIN_GPIO_BASE + GPACONSLP_OFFSET)
+#define GPAPUDSLP	(ELFIN_GPIO_BASE + GPAPUDSLP_OFFSET)
+#define GPBCON		(ELFIN_GPIO_BASE + GPBCON_OFFSET)
+#define GPBDAT		(ELFIN_GPIO_BASE + GPBDAT_OFFSET)
+#define GPBPUD		(ELFIN_GPIO_BASE + GPBPUD_OFFSET)
+#define GPBCONSLP	(ELFIN_GPIO_BASE + GPBCONSLP_OFFSET)
+#define GPBPUDSLP	(ELFIN_GPIO_BASE + GPBPUDSLP_OFFSET)
+#define GPCCON		(ELFIN_GPIO_BASE + GPCCON_OFFSET)
+#define GPCDAT		(ELFIN_GPIO_BASE + GPCDAT_OFFSET)
+#define GPCPUD		(ELFIN_GPIO_BASE + GPCPUD_OFFSET)
+#define GPCCONSLP	(ELFIN_GPIO_BASE + GPCCONSLP_OFFSET)
+#define GPCPUDSLP	(ELFIN_GPIO_BASE + GPCPUDSLP_OFFSET)
+#define GPDCON		(ELFIN_GPIO_BASE + GPDCON_OFFSET)
+#define GPDDAT		(ELFIN_GPIO_BASE + GPDDAT_OFFSET)
+#define GPDPUD		(ELFIN_GPIO_BASE + GPDPUD_OFFSET)
+#define GPDCONSLP	(ELFIN_GPIO_BASE + GPDCONSLP_OFFSET)
+#define GPDPUDSLP	(ELFIN_GPIO_BASE + GPDPUDSLP_OFFSET)
+#define GPECON		(ELFIN_GPIO_BASE + GPECON_OFFSET)
+#define GPEDAT		(ELFIN_GPIO_BASE + GPEDAT_OFFSET)
+#define GPEPUD		(ELFIN_GPIO_BASE + GPEPUD_OFFSET)
+#define GPECONSLP	(ELFIN_GPIO_BASE + GPECONSLP_OFFSET)
+#define GPEPUDSLP	(ELFIN_GPIO_BASE + GPEPUDSLP_OFFSET)
+#define GPFCON		(ELFIN_GPIO_BASE + GPFCON_OFFSET)
+#define GPFDAT		(ELFIN_GPIO_BASE + GPFDAT_OFFSET)
+#define GPFPUD		(ELFIN_GPIO_BASE + GPFPUD_OFFSET)
+#define GPFCONSLP	(ELFIN_GPIO_BASE + GPFCONSLP_OFFSET)
+#define GPFPUDSLP	(ELFIN_GPIO_BASE + GPFPUDSLP_OFFSET)
+#define GPGCON		(ELFIN_GPIO_BASE + GPGCON_OFFSET)
+#define GPGDAT		(ELFIN_GPIO_BASE + GPGDAT_OFFSET)
+#define GPGPUD		(ELFIN_GPIO_BASE + GPGPUD_OFFSET)
+#define GPGCONSLP	(ELFIN_GPIO_BASE + GPGCONSLP_OFFSET)
+#define GPGPUDSLP	(ELFIN_GPIO_BASE + GPGPUDSLP_OFFSET)
+#define GPHCON0		(ELFIN_GPIO_BASE + GPHCON0_OFFSET)
+#define GPHCON1		(ELFIN_GPIO_BASE + GPHCON1_OFFSET)
+#define GPHDAT		(ELFIN_GPIO_BASE + GPHDAT_OFFSET)
+#define GPHPUD		(ELFIN_GPIO_BASE + GPHPUD_OFFSET)
+#define GPHCONSLP	(ELFIN_GPIO_BASE + GPHCONSLP_OFFSET)
+#define GPHPUDSLP	(ELFIN_GPIO_BASE + GPHPUDSLP_OFFSET)
+#define GPICON		(ELFIN_GPIO_BASE + GPICON_OFFSET)
+#define GPIDAT		(ELFIN_GPIO_BASE + GPIDAT_OFFSET)
+#define GPIPUD		(ELFIN_GPIO_BASE + GPIPUD_OFFSET)
+#define GPICONSLP	(ELFIN_GPIO_BASE + GPICONSLP_OFFSET)
+#define GPIPUDSLP	(ELFIN_GPIO_BASE + GPIPUDSLP_OFFSET)
+#define GPJCON		(ELFIN_GPIO_BASE + GPJCON_OFFSET)
+#define GPJDAT		(ELFIN_GPIO_BASE + GPJDAT_OFFSET)
+#define GPJPUD		(ELFIN_GPIO_BASE + GPJPUD_OFFSET)
+#define GPJCONSLP	(ELFIN_GPIO_BASE + GPJCONSLP_OFFSET)
+#define GPJPUDSLP	(ELFIN_GPIO_BASE + GPJPUDSLP_OFFSET)
+#define GPKCON0		(ELFIN_GPIO_BASE + GPKCON0_OFFSET)
+#define GPKCON1		(ELFIN_GPIO_BASE + GPKCON1_OFFSET)
+#define GPKDAT		(ELFIN_GPIO_BASE + GPKDAT_OFFSET)
+#define GPKPUD		(ELFIN_GPIO_BASE + GPKPUD_OFFSET)
+#define GPLCON0		(ELFIN_GPIO_BASE + GPLCON0_OFFSET)
+#define GPLCON1		(ELFIN_GPIO_BASE + GPLCON1_OFFSET)
+#define GPLDAT		(ELFIN_GPIO_BASE + GPLDAT_OFFSET)
+#define GPLPUD		(ELFIN_GPIO_BASE + GPLPUD_OFFSET)
+#define GPMCON		(ELFIN_GPIO_BASE + GPMCON_OFFSET)
+#define GPMDAT		(ELFIN_GPIO_BASE + GPMDAT_OFFSET)
+#define GPMPUD		(ELFIN_GPIO_BASE + GPMPUD_OFFSET)
+#define GPNCON		(ELFIN_GPIO_BASE + GPNCON_OFFSET)
+#define GPNDAT		(ELFIN_GPIO_BASE + GPNDAT_OFFSET)
+#define GPNPUD		(ELFIN_GPIO_BASE + GPNPUD_OFFSET)
+#define GPOCON		(ELFIN_GPIO_BASE + GPOCON_OFFSET)
+#define GPODAT		(ELFIN_GPIO_BASE + GPODAT_OFFSET)
+#define GPOPUD		(ELFIN_GPIO_BASE + GPOPUD_OFFSET)
+#define GPOCONSLP	(ELFIN_GPIO_BASE + GPOCONSLP_OFFSET)
+#define GPOPUDSLP	(ELFIN_GPIO_BASE + GPOPUDSLP_OFFSET)
+#define GPPCON		(ELFIN_GPIO_BASE + GPPCON_OFFSET)
+#define GPPDAT		(ELFIN_GPIO_BASE + GPPDAT_OFFSET)
+#define GPPPUD		(ELFIN_GPIO_BASE + GPPPUD_OFFSET)
+#define GPPCONSLP	(ELFIN_GPIO_BASE + GPPCONSLP_OFFSET)
+#define GPPPUDSLP	(ELFIN_GPIO_BASE + GPPPUDSLP_OFFSET)
+#define GPQCON		(ELFIN_GPIO_BASE + GPQCON_OFFSET)
+#define GPQDAT		(ELFIN_GPIO_BASE + GPQDAT_OFFSET)
+#define GPQPUD		(ELFIN_GPIO_BASE + GPQPUD_OFFSET)
+#define GPQCONSLP	(ELFIN_GPIO_BASE + GPQCONSLP_OFFSET)
+#define GPQPUDSLP	(ELFIN_GPIO_BASE + GPQPUDSLP_OFFSET)
+
+/*
+ * Memory controller
+ */
+#define ELFIN_SROM_BASE		0x70000000
+
+#define SROM_BW_REG	__REG(ELFIN_SROM_BASE + 0x0)
+#define SROM_BC0_REG	__REG(ELFIN_SROM_BASE + 0x4)
+#define SROM_BC1_REG	__REG(ELFIN_SROM_BASE + 0x8)
+#define SROM_BC2_REG	__REG(ELFIN_SROM_BASE + 0xC)
+#define SROM_BC3_REG	__REG(ELFIN_SROM_BASE + 0x10)
+#define SROM_BC4_REG	__REG(ELFIN_SROM_BASE + 0x14)
+#define SROM_BC5_REG	__REG(ELFIN_SROM_BASE + 0x18)
+
+/*
+ * SDRAM Controller
+ */
+#define ELFIN_DMC0_BASE		0x7e000000
+#define ELFIN_DMC1_BASE		0x7e001000
+
+#define INDEX_DMC_MEMC_STATUS	0x00
+#define INDEX_DMC_MEMC_CMD	0x04
+#define INDEX_DMC_DIRECT_CMD	0x08
+#define INDEX_DMC_MEMORY_CFG	0x0C
+#define INDEX_DMC_REFRESH_PRD	0x10
+#define INDEX_DMC_CAS_LATENCY	0x14
+#define INDEX_DMC_T_DQSS	0x18
+#define INDEX_DMC_T_MRD		0x1C
+#define INDEX_DMC_T_RAS		0x20
+#define INDEX_DMC_T_RC		0x24
+#define INDEX_DMC_T_RCD		0x28
+#define INDEX_DMC_T_RFC		0x2C
+#define INDEX_DMC_T_RP		0x30
+#define INDEX_DMC_T_RRD		0x34
+#define INDEX_DMC_T_WR		0x38
+#define INDEX_DMC_T_WTR		0x3C
+#define INDEX_DMC_T_XP		0x40
+#define INDEX_DMC_T_XSR		0x44
+#define INDEX_DMC_T_ESR		0x48
+#define INDEX_DMC_MEMORY_CFG2	0x4C
+#define INDEX_DMC_CHIP_0_CFG	0x200
+#define INDEX_DMC_CHIP_1_CFG	0x204
+#define INDEX_DMC_CHIP_2_CFG	0x208
+#define INDEX_DMC_CHIP_3_CFG	0x20C
+#define INDEX_DMC_USER_STATUS	0x300
+#define INDEX_DMC_USER_CONFIG	0x304
+
+/*
+ * Memory Chip direct command
+ */
+#define DMC_NOP0	0x0c0000
+#define DMC_NOP1	0x1c0000
+#define DMC_PA0		0x000000	/* Precharge all */
+#define DMC_PA1		0x100000
+#define DMC_AR0		0x040000	/* Autorefresh */
+#define DMC_AR1		0x140000
+#define DMC_SDR_MR0	0x080032	/* MRS, CAS 3,  Burst Length 4 */
+#define DMC_SDR_MR1	0x180032
+#define DMC_DDR_MR0	0x080162
+#define DMC_DDR_MR1	0x180162
+#define DMC_mDDR_MR0	0x080032	/* CAS 3, Burst Length 4 */
+#define DMC_mDDR_MR1	0x180032
+#define DMC_mSDR_EMR0	0x0a0000	/* EMRS, DS:Full, PASR:Full Array */
+#define DMC_mSDR_EMR1	0x1a0000
+#define DMC_DDR_EMR0	0x090000
+#define DMC_DDR_EMR1	0x190000
+#define DMC_mDDR_EMR0	0x0a0000	/*  DS:Full, PASR:Full Array */
+#define DMC_mDDR_EMR1	0x1a0000
+
+/*
+ * Definitions for memory configuration
+ * Set memory configuration
+ *	active_chips	= 1'b0 (1 chip)
+ *	qos_master_chip	= 3'b000(ARID[3:0])
+ *	memory burst	= 3'b010(burst 4)
+ *	stop_mem_clock	= 1'b0(disable dynamical stop)
+ *	auto_power_down	= 1'b0(disable auto power-down mode)
+ *	power_down_prd	= 6'b00_0000(0 cycle for auto power-down)
+ *	ap_bit		= 1'b0 (bit position of auto-precharge is 10)
+ *	row_bits	= 3'b010(# row address 13)
+ *	column_bits	= 3'b010(# column address 10 )
+ *
+ * Set user configuration
+ *	2'b10=SDRAM/mSDRAM, 2'b11=DDR, 2'b01=mDDR
+ *
+ * Set chip select for chip [n]
+ *	 row bank control, bank address 0x3000_0000 ~ 0x37ff_ffff
+ *	 CHIP_[n]_CFG=0x30F8,  30: ADDR[31:24], F8: Mask[31:24]
+ */
+
+/*
+ * Nand flash controller
+ */
+#define ELFIN_NAND_BASE		0x70200000
+
+#define NFCONF_OFFSET		0x00
+#define NFCONT_OFFSET		0x04
+#define NFCMMD_OFFSET		0x08
+#define NFADDR_OFFSET		0x0c
+#define NFDATA_OFFSET		0x10
+#define NFMECCDATA0_OFFSET	0x14
+#define NFMECCDATA1_OFFSET	0x18
+#define NFSECCDATA0_OFFSET	0x1c
+#define NFSBLK_OFFSET		0x20
+#define NFEBLK_OFFSET		0x24
+#define NFSTAT_OFFSET		0x28
+#define NFESTAT0_OFFSET		0x2c
+#define NFESTAT1_OFFSET		0x30
+#define NFMECC0_OFFSET		0x34
+#define NFMECC1_OFFSET		0x38
+#define NFSECC_OFFSET		0x3c
+#define NFMLCBITPT_OFFSET	0x40
+
+#define NFCONF			(ELFIN_NAND_BASE + NFCONF_OFFSET)
+#define NFCONT			(ELFIN_NAND_BASE + NFCONT_OFFSET)
+#define NFCMMD			(ELFIN_NAND_BASE + NFCMMD_OFFSET)
+#define NFADDR			(ELFIN_NAND_BASE + NFADDR_OFFSET)
+#define NFDATA			(ELFIN_NAND_BASE + NFDATA_OFFSET)
+#define NFMECCDATA0		(ELFIN_NAND_BASE + NFMECCDATA0_OFFSET)
+#define NFMECCDATA1		(ELFIN_NAND_BASE + NFMECCDATA1_OFFSET)
+#define NFSECCDATA0		(ELFIN_NAND_BASE + NFSECCDATA0_OFFSET)
+#define NFSBLK			(ELFIN_NAND_BASE + NFSBLK_OFFSET)
+#define NFEBLK			(ELFIN_NAND_BASE + NFEBLK_OFFSET)
+#define NFSTAT			(ELFIN_NAND_BASE + NFSTAT_OFFSET)
+#define NFESTAT0		(ELFIN_NAND_BASE + NFESTAT0_OFFSET)
+#define NFESTAT1		(ELFIN_NAND_BASE + NFESTAT1_OFFSET)
+#define NFMECC0			(ELFIN_NAND_BASE + NFMECC0_OFFSET)
+#define NFMECC1			(ELFIN_NAND_BASE + NFMECC1_OFFSET)
+#define NFSECC			(ELFIN_NAND_BASE + NFSECC_OFFSET)
+#define NFMLCBITPT		(ELFIN_NAND_BASE + NFMLCBITPT_OFFSET)
+
+#define NFCONF_REG		__REG(ELFIN_NAND_BASE + NFCONF_OFFSET)
+#define NFCONT_REG		__REG(ELFIN_NAND_BASE + NFCONT_OFFSET)
+#define NFCMD_REG		__REG(ELFIN_NAND_BASE + NFCMMD_OFFSET)
+#define NFADDR_REG		__REG(ELFIN_NAND_BASE + NFADDR_OFFSET)
+#define NFDATA_REG		__REG(ELFIN_NAND_BASE + NFDATA_OFFSET)
+#define NFDATA8_REG		__REGb(ELFIN_NAND_BASE + NFDATA_OFFSET)
+#define NFMECCDATA0_REG		__REG(ELFIN_NAND_BASE + NFMECCDATA0_OFFSET)
+#define NFMECCDATA1_REG		__REG(ELFIN_NAND_BASE + NFMECCDATA1_OFFSET)
+#define NFSECCDATA0_REG		__REG(ELFIN_NAND_BASE + NFSECCDATA0_OFFSET)
+#define NFSBLK_REG		__REG(ELFIN_NAND_BASE + NFSBLK_OFFSET)
+#define NFEBLK_REG		__REG(ELFIN_NAND_BASE + NFEBLK_OFFSET)
+#define NFSTAT_REG		__REG(ELFIN_NAND_BASE + NFSTAT_OFFSET)
+#define NFESTAT0_REG		__REG(ELFIN_NAND_BASE + NFESTAT0_OFFSET)
+#define NFESTAT1_REG		__REG(ELFIN_NAND_BASE + NFESTAT1_OFFSET)
+#define NFMECC0_REG		__REG(ELFIN_NAND_BASE + NFMECC0_OFFSET)
+#define NFMECC1_REG		__REG(ELFIN_NAND_BASE + NFMECC1_OFFSET)
+#define NFSECC_REG		__REG(ELFIN_NAND_BASE + NFSECC_OFFSET)
+#define NFMLCBITPT_REG		__REG(ELFIN_NAND_BASE + NFMLCBITPT_OFFSET)
+
+#define NFCONF_ECC_4BIT		(1<<24)
+
+#define NFCONT_ECC_ENC		(1<<18)
+#define NFCONT_WP		(1<<16)
+#define NFCONT_MECCLOCK		(1<<7)
+#define NFCONT_SECCLOCK		(1<<6)
+#define NFCONT_INITMECC		(1<<5)
+#define NFCONT_INITSECC		(1<<4)
+#define NFCONT_INITECC		(NFCONT_INITMECC | NFCONT_INITSECC)
+#define NFCONT_CS_ALT		(1<<2)
+#define NFCONT_CS		(1<<1)
+#define NFCONT_ENABLE		(1<<0)
+
+#define NFSTAT_ECCENCDONE	(1<<7)
+#define NFSTAT_ECCDECDONE	(1<<6)
+#define NFSTAT_RnB		(1<<0)
+
+#define NFESTAT0_ECCBUSY	(1<<31)
+
+/*
+ * Interrupt
+ */
+#define ELFIN_VIC0_BASE_ADDR	0x71200000
+#define ELFIN_VIC1_BASE_ADDR	0x71300000
+#define oINTMOD			0x0C	/* VIC INT SELECT (IRQ or FIQ) */
+#define oINTUNMSK		0x10	/* VIC INT EN (write 1 to unmask) */
+#define oINTMSK			0x14	/* VIC INT EN CLEAR (write 1 to mask) */
+#define oINTSUBMSK		0x1C	/* VIC SOFT INT CLEAR */
+#define oVECTADDR		0xF00 /* VIC ADDRESS */
+
+/*
+ * Watchdog timer
+ */
+#define ELFIN_WATCHDOG_BASE	0x7E004000
+
+#define WTCON_REG		__REG(0x7E004004)
+#define WTDAT_REG		__REG(0x7E004008)
+#define WTCNT_REG		__REG(0x7E00400C)
+
+
+/*
+ * UART
+ */
+#define ELFIN_UART_BASE		0x7F005000
+
+#define ELFIN_UART0_OFFSET	0x0000
+#define ELFIN_UART1_OFFSET	0x0400
+#define ELFIN_UART2_OFFSET	0x0800
+
+#define ULCON_OFFSET		0x00
+#define UCON_OFFSET		0x04
+#define UFCON_OFFSET		0x08
+#define UMCON_OFFSET		0x0C
+#define UTRSTAT_OFFSET		0x10
+#define UERSTAT_OFFSET		0x14
+#define UFSTAT_OFFSET		0x18
+#define UMSTAT_OFFSET		0x1C
+#define UTXH_OFFSET		0x20
+#define URXH_OFFSET		0x24
+#define UBRDIV_OFFSET		0x28
+#define UDIVSLOT_OFFSET		0x2C
+#define UINTP_OFFSET		0x30
+#define UINTSP_OFFSET		0x34
+#define UINTM_OFFSET		0x38
+
+#define ULCON0_REG		__REG(0x7F005000)
+#define UCON0_REG		__REG(0x7F005004)
+#define UFCON0_REG		__REG(0x7F005008)
+#define UMCON0_REG		__REG(0x7F00500C)
+#define UTRSTAT0_REG		__REG(0x7F005010)
+#define UERSTAT0_REG		__REG(0x7F005014)
+#define UFSTAT0_REG		__REG(0x7F005018)
+#define UMSTAT0_REG		__REG(0x7F00501c)
+#define UTXH0_REG		__REG(0x7F005020)
+#define URXH0_REG		__REG(0x7F005024)
+#define UBRDIV0_REG		__REG(0x7F005028)
+#define UDIVSLOT0_REG		__REG(0x7F00502c)
+#define UINTP0_REG		__REG(0x7F005030)
+#define UINTSP0_REG		__REG(0x7F005034)
+#define UINTM0_REG		__REG(0x7F005038)
+
+#define ULCON1_REG		__REG(0x7F005400)
+#define UCON1_REG		__REG(0x7F005404)
+#define UFCON1_REG		__REG(0x7F005408)
+#define UMCON1_REG		__REG(0x7F00540C)
+#define UTRSTAT1_REG		__REG(0x7F005410)
+#define UERSTAT1_REG		__REG(0x7F005414)
+#define UFSTAT1_REG		__REG(0x7F005418)
+#define UMSTAT1_REG		__REG(0x7F00541c)
+#define UTXH1_REG		__REG(0x7F005420)
+#define URXH1_REG		__REG(0x7F005424)
+#define UBRDIV1_REG		__REG(0x7F005428)
+#define UDIVSLOT1_REG		__REG(0x7F00542c)
+#define UINTP1_REG		__REG(0x7F005430)
+#define UINTSP1_REG		__REG(0x7F005434)
+#define UINTM1_REG		__REG(0x7F005438)
+
+#define UTRSTAT_TX_EMPTY	(1 << 2)
+#define UTRSTAT_RX_READY	(1 << 0)
+#define UART_ERR_MASK		0xF
+
+/*
+ * PWM timer
+ */
+#define ELFIN_TIMER_BASE	0x7F006000
+
+#define TCFG0_REG	__REG(0x7F006000)
+#define TCFG1_REG	__REG(0x7F006004)
+#define TCON_REG	__REG(0x7F006008)
+#define TCNTB0_REG	__REG(0x7F00600c)
+#define TCMPB0_REG	__REG(0x7F006010)
+#define TCNTO0_REG	__REG(0x7F006014)
+#define TCNTB1_REG	__REG(0x7F006018)
+#define TCMPB1_REG	__REG(0x7F00601c)
+#define TCNTO1_REG	__REG(0x7F006020)
+#define TCNTB2_REG	__REG(0x7F006024)
+#define TCMPB2_REG	__REG(0x7F006028)
+#define TCNTO2_REG	__REG(0x7F00602c)
+#define TCNTB3_REG	__REG(0x7F006030)
+#define TCMPB3_REG	__REG(0x7F006034)
+#define TCNTO3_REG	__REG(0x7F006038)
+#define TCNTB4_REG	__REG(0x7F00603c)
+#define TCNTO4_REG	__REG(0x7F006040)
+
+/* Fields */
+#define fTCFG0_DZONE		Fld(8, 16) /* the dead zone length (=timer 0) */
+#define fTCFG0_PRE1		Fld(8, 8)  /* prescaler value for time 2,3,4 */
+#define fTCFG0_PRE0		Fld(8, 0)  /* prescaler value for time 0,1 */
+#define fTCFG1_MUX4		Fld(4, 16)
+/* bits */
+#define TCFG0_DZONE(x)		FInsrt((x), fTCFG0_DZONE)
+#define TCFG0_PRE1(x)		FInsrt((x), fTCFG0_PRE1)
+#define TCFG0_PRE0(x)		FInsrt((x), fTCFG0_PRE0)
+#define TCON_4_AUTO		(1 << 22)  /* auto reload on/off for Timer 4 */
+#define TCON_4_UPDATE		(1 << 21)  /* manual Update TCNTB4 */
+#define TCON_4_ONOFF		(1 << 20)  /* 0: Stop, 1: start Timer 4 */
+#define COUNT_4_ON		(TCON_4_ONOFF * 1)
+#define COUNT_4_OFF		(TCON_4_ONOFF * 0)
+#define TCON_3_AUTO		(1 << 19)  /* auto reload on/off for Timer 3 */
+#define TIMER3_ATLOAD_ON	(TCON_3_AUTO * 1)
+#define TIMER3_ATLAOD_OFF	FClrBit(TCON, TCON_3_AUTO)
+#define TCON_3_INVERT		(1 << 18)  /* 1: Inverter on for TOUT3 */
+#define TIMER3_IVT_ON		(TCON_3_INVERT * 1)
+#define TIMER3_IVT_OFF		(FClrBit(TCON, TCON_3_INVERT))
+#define TCON_3_MAN		(1 << 17)  /* manual Update TCNTB3,TCMPB3 */
+#define TIMER3_MANUP		(TCON_3_MAN*1)
+#define TIMER3_NOP		(FClrBit(TCON, TCON_3_MAN))
+#define TCON_3_ONOFF		(1 << 16)  /* 0: Stop, 1: start Timer 3 */
+#define TIMER3_ON		(TCON_3_ONOFF * 1)
+#define TIMER3_OFF		(FClrBit(TCON, TCON_3_ONOFF))
+
+#if defined(CONFIG_CLK_400_100_50)
+#define STARTUP_AMDIV		400
+#define STARTUP_MDIV		400
+#define STARTUP_PDIV		6
+#define STARTUP_SDIV		1
+#elif defined(CONFIG_CLK_400_133_66)
+#define STARTUP_AMDIV		400
+#define STARTUP_MDIV		533
+#define STARTUP_PDIV		6
+#define STARTUP_SDIV		1
+#elif defined(CONFIG_CLK_533_133_66)
+#define STARTUP_AMDIV		533
+#define STARTUP_MDIV		533
+#define STARTUP_PDIV		6
+#define STARTUP_SDIV		1
+#elif defined(CONFIG_CLK_667_133_66)
+#define STARTUP_AMDIV		667
+#define STARTUP_MDIV		533
+#define STARTUP_PDIV		6
+#define STARTUP_SDIV		1
+#endif
+
+#define	STARTUP_PCLKDIV		3
+#define STARTUP_HCLKX2DIV	1
+#define STARTUP_HCLKDIV		1
+#define STARTUP_MPLLDIV		1
+#define STARTUP_APLLDIV		0
+
+#define CLK_DIV_VAL	((STARTUP_PCLKDIV << 12) | (STARTUP_HCLKX2DIV << 9) | \
+	(STARTUP_HCLKDIV << 8) | (STARTUP_MPLLDIV<<4) | STARTUP_APLLDIV)
+#define MPLL_VAL	((1 << 31) | (STARTUP_MDIV << 16) | \
+	(STARTUP_PDIV << 8) | STARTUP_SDIV)
+#define STARTUP_MPLL	(((CONFIG_SYS_CLK_FREQ >> STARTUP_SDIV) / \
+	STARTUP_PDIV) * STARTUP_MDIV)
+
+#if defined(CONFIG_SYNC_MODE)
+#define APLL_VAL	((1 << 31) | (STARTUP_MDIV << 16) | \
+	(STARTUP_PDIV << 8) | STARTUP_SDIV)
+#define STARTUP_APLL	(((CONFIG_SYS_CLK_FREQ >> STARTUP_SDIV) / \
+	STARTUP_PDIV) * STARTUP_MDIV)
+#define STARTUP_HCLK	(STARTUP_MPLL / (STARTUP_HCLKX2DIV + 1) / \
+	(STARTUP_HCLKDIV + 1))
+#else
+#define APLL_VAL	((1 << 31) | (STARTUP_AMDIV << 16) | \
+	(STARTUP_PDIV << 8) | STARTUP_SDIV)
+#define STARTUP_APLL	(((CONFIG_SYS_CLK_FREQ >> STARTUP_SDIV) / \
+	STARTUP_PDIV) * STARTUP_AMDIV)
+#define STARTUP_HCLK	(STARTUP_MPLL / (STARTUP_HCLKX2DIV + 1) / \
+	(STARTUP_HCLKDIV + 1))
+#endif
+
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define DMC1_MEM_CFG	0x80010012	/* Chip1, Burst4, Row/Column bit */
+#define DMC1_MEM_CFG2	0xB45
+#define DMC1_CHIP0_CFG	0x150F8		/* 0x4000_0000 ~ 0x43ff_ffff (64MB) */
+#define DMC_DDR_32_CFG	0x0 		/* 32bit, DDR */
+
+/* Memory Parameters */
+/* DDR Parameters */
+#define DDR_tREFRESH		7800	/* ns */
+#define DDR_tRAS		45	/* ns (min: 45ns)*/
+#define DDR_tRC 		68	/* ns (min: 67.5ns)*/
+#define DDR_tRCD		23	/* ns (min: 22.5ns)*/
+#define DDR_tRFC		80	/* ns (min: 80ns)*/
+#define DDR_tRP 		23	/* ns (min: 22.5ns)*/
+#define DDR_tRRD		15	/* ns (min: 15ns)*/
+#define DDR_tWR 		15	/* ns (min: 15ns)*/
+#define DDR_tXSR		120	/* ns (min: 120ns)*/
+#define DDR_CASL		3	/* CAS Latency 3 */
+
+/*
+ * mDDR memory configuration
+ */
+
+#define NS_TO_CLK(t)		((STARTUP_HCLK / 1000 * (t) - 1) / 1000000)
+
+#define DMC_DDR_BA_EMRS 	2
+#define DMC_DDR_MEM_CASLAT	3
+/* 6   Set Cas Latency to 3 */
+#define DMC_DDR_CAS_LATENCY	(DDR_CASL << 1)
+/* Min 0.75 ~ 1.25 */
+#define DMC_DDR_t_DQSS		1
+/* Min 2 tck */
+#define DMC_DDR_t_MRD		2
+/* 7, Min 45ns */
+#define DMC_DDR_t_RAS		(NS_TO_CLK(DDR_tRAS) + 1)
+/* 10, Min 67.5ns */
+#define DMC_DDR_t_RC		(NS_TO_CLK(DDR_tRC) + 1)
+/* 4,5(TRM), Min 22.5ns */
+#define DMC_DDR_t_RCD		(NS_TO_CLK(DDR_tRCD) + 1)
+#define DMC_DDR_schedule_RCD	((DMC_DDR_t_RCD - 3) << 3)
+/* 11,18(TRM) Min 80ns */
+#define DMC_DDR_t_RFC		(NS_TO_CLK(DDR_tRFC) + 1)
+#define DMC_DDR_schedule_RFC	((DMC_DDR_t_RFC - 3) << 5)
+/* 4, 5(TRM) Min 22.5ns */
+#define DMC_DDR_t_RP		(NS_TO_CLK(DDR_tRP) + 1)
+#define DMC_DDR_schedule_RP	((DMC_DDR_t_RP - 3) << 3)
+/* 3, Min 15ns */
+#define DMC_DDR_t_RRD		(NS_TO_CLK(DDR_tRRD) + 1)
+/* Min 15ns */
+#define DMC_DDR_t_WR		(NS_TO_CLK(DDR_tWR) + 1)
+#define DMC_DDR_t_WTR		2
+/* 1tck + tIS(1.5ns) */
+#define DMC_DDR_t_XP		2
+/* 17, Min 120ns */
+#define DMC_DDR_t_XSR		(NS_TO_CLK(DDR_tXSR) + 1)
+#define DMC_DDR_t_ESR		DMC_DDR_t_XSR
+/* TRM 2656 */
+#define DMC_DDR_REFRESH_PRD	(NS_TO_CLK(DDR_tREFRESH))
+/* 2b01 : mDDR */
+#define DMC_DDR_USER_CONFIG	1
+
+#ifndef __ASSEMBLY__
+enum s3c64xx_uarts_nr {
+	S3C64XX_UART0,
+	S3C64XX_UART1,
+	S3C64XX_UART2,
+};
+
+#include "s3c64x0.h"
+
+static inline s3c64xx_uart *s3c64xx_get_base_uart(enum s3c64xx_uarts_nr nr)
+{
+	return (s3c64xx_uart *)(ELFIN_UART_BASE + (nr * 0x400));
+}
+#endif
+
+#endif /*__S3C6400_H__*/
diff --git a/include/s3c64x0.h b/include/s3c64x0.h
new file mode 100644
index 00000000000..0bbf1d0c436
--- /dev/null
+++ b/include/s3c64x0.h
@@ -0,0 +1,90 @@
+/*
+ * (C) Copyright 2003
+ * David MÃŒller ELSOFT AG Switzerland. d.mueller@elsoft.ch
+ *
+ * (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
+ */
+
+/************************************************
+ * NAME	    : S3C64XX.h
+ * Version  : 31.3.2003
+ *
+ * common stuff for SAMSUNG S3C64XX SoC
+ ************************************************/
+
+#ifndef __S3C64XX_H__
+#define __S3C64XX_H__
+
+#if defined(CONFIG_SYNC_MODE) && defined(CONFIG_S3C6400)
+#error CONFIG_SYNC_MODE unavailable on S3C6400, please, fix your configuration!
+#endif
+
+#include <asm/types.h>
+
+/* UART (see manual chapter 11) */
+typedef struct {
+	volatile u32	ULCON;
+	volatile u32	UCON;
+	volatile u32	UFCON;
+	volatile u32	UMCON;
+	volatile u32	UTRSTAT;
+	volatile u32	UERSTAT;
+	volatile u32	UFSTAT;
+	volatile u32	UMSTAT;
+#ifdef __BIG_ENDIAN
+	volatile u8	res1[3];
+	volatile u8	UTXH;
+	volatile u8	res2[3];
+	volatile u8	URXH;
+#else /* Little Endian */
+	volatile u8	UTXH;
+	volatile u8	res1[3];
+	volatile u8	URXH;
+	volatile u8	res2[3];
+#endif
+	volatile u32	UBRDIV;
+#ifdef __BIG_ENDIAN
+	volatile u8	res3[2];
+	volatile u16	UDIVSLOT;
+#else
+	volatile u16	UDIVSLOT;
+	volatile u8	res3[2];
+#endif
+} s3c64xx_uart;
+
+/* PWM TIMER (see manual chapter 10) */
+typedef struct {
+	volatile u32	TCNTB;
+	volatile u32	TCMPB;
+	volatile u32	TCNTO;
+} s3c64xx_timer;
+
+typedef struct {
+	volatile u32	TCFG0;
+	volatile u32	TCFG1;
+	volatile u32	TCON;
+	s3c64xx_timer	ch[4];
+	volatile u32	TCNTB4;
+	volatile u32	TCNTO4;
+} s3c64xx_timers;
+
+#endif /*__S3C64XX_H__*/