ARMV7: Add support for Samsung SMDKV310 Board

SMDKV310 board is based on Samsung S5PV310 SOC. This SOC is very much
similar to S5PC210.

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

4 files changed, 1017 insertions, 0 deletions

diff --git a/board/samsung/smdkv310/Makefile b/board/samsung/smdkv310/Makefile
new file mode 100644
index 0000000..8e9b703
--- /dev/null
+++ b/board/samsung/smdkv310/Makefile
@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2011 Samsung Electronics
+#
+# 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	= $(obj)lib$(BOARD).o
+
+SOBJS	:= mem_setup.o
+SOBJS	+= lowlevel_init.o
+COBJS	+= smdkv310.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all:	 $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/samsung/smdkv310/lowlevel_init.S b/board/samsung/smdkv310/lowlevel_init.S
new file mode 100644
index 0000000..359cff4
--- /dev/null
+++ b/board/samsung/smdkv310/lowlevel_init.S
@@ -0,0 +1,470 @@
+/*
+ * Lowlevel setup for SMDKV310 board based on S5PC210
+ *
+ * Copyright (C) 2011 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+#include <asm/arch/cpu.h>
+
+/*
+ * Register usages:
+ *
+ * r5 has zero always
+ * r7 has GPIO part1 base 0x11400000
+ * r6 has GPIO part2 base 0x11000000
+ */
+
+#define MEM_DLLl_ON
+
+_TEXT_BASE:
+	.word	CONFIG_SYS_TEXT_BASE
+
+	.globl lowlevel_init
+lowlevel_init:
+	push	{lr}
+
+	/* r5 has always zero */
+	mov	r5, #0
+	ldr	r7, =S5PC210_GPIO_PART1_BASE
+	ldr	r6, =S5PC210_GPIO_PART2_BASE
+
+	/* check reset status  */
+	ldr     r0, =(S5PC210_POWER_BASE + 0x81C)	@ INFORM7
+        ldr     r1, [r0]
+
+	/* AFTR wakeup reset */
+	ldr	r2, =S5P_CHECK_DIDLE
+	cmp	r1, r2
+	beq	exit_wakeup
+
+	/* Sleep wakeup reset */
+	ldr	r2, =S5P_CHECK_SLEEP
+	cmp	r1, r2
+	beq	wakeup_reset
+
+	/*
+	 * If U-boot is already running in ram, no need to relocate U-Boot.
+	 * Memory controller must be configured before relocating U-Boot
+	 * in ram.
+	 */
+	ldr	r0, =0x00ffffff		/* r0 <- Mask Bits*/
+	bic	r1, pc, r0		/* pc <- current addr of code */
+					/* r1 <- unmasked bits of pc */
+
+	ldr	r2, _TEXT_BASE		/* r2 <- original base addr in ram */
+	bic	r2, r2, r0		/* r2 <- unmasked bits of r2*/
+	cmp     r1, r2                  /* compare r1, r2 */
+	beq     1f			/* r0 == r1 then skip sdram init */
+
+	/* init system clock */
+	bl system_clock_init
+
+	/* Memory initialize */
+	bl mem_ctrl_asm_init
+
+1:
+	/* for UART */
+	bl uart_asm_init
+	bl tzpc_init
+	pop	{pc}
+
+wakeup_reset:
+	bl system_clock_init
+	bl mem_ctrl_asm_init
+	bl tzpc_init
+
+exit_wakeup:
+	/* Load return address and jump to kernel */
+	ldr     r0, =(S5PC210_POWER_BASE + 0x800)	@ INFORM0
+
+	/* r1 = physical address of s5pc210_cpu_resume function */
+	ldr	r1, [r0]
+
+	/* Jump to kernel*/
+	mov	pc, r1
+	nop
+	nop
+
+/*
+ * system_clock_init: Initialize core clock and bus clock.
+ * void system_clock_init(void)
+ */
+system_clock_init:
+	push	{lr}
+	ldr	r0, =S5PC210_CLOCK_BASE
+
+	/* APLL(1), MPLL(1), CORE(0), HPM(0) */
+	ldr	r1, =0x0101
+	ldr	r2, =0x14200			@CLK_SRC_CPU
+	str	r1, [r0, r2]
+
+	/* wait ?us */
+	mov	r1, #0x10000
+2:	subs	r1, r1, #1
+	bne	2b
+
+	ldr	r1, =0x00
+	ldr	r2, =0x0C210			@CLK_SRC_TOP0
+	str	r1, [r0, r2]
+
+	ldr	r1, =0x00
+	ldr	r2, =0x0C214			@CLK_SRC_TOP1_OFFSET
+	str	r1, [r0, r2]
+
+	/* DMC */
+	ldr	r1, =0x00
+	ldr	r2, =0x10200			@CLK_SRC_DMC_OFFSET
+	str	r1, [r0, r2]
+
+	/*CLK_SRC_LEFTBUS */
+	ldr	r1, =0x00
+	ldr	r2, =0x04200			@CLK_SRC_LEFTBUS_OFFSET
+	str	r1, [r0, r2]
+
+	/*CLK_SRC_RIGHTBUS */
+	ldr	r1, =0x00
+	ldr	r2, =0x08200			@CLK_SRC_RIGHTBUS_OFFSET
+	str	r1, [r0, r2]
+
+	/* SATA: SCLKMPLL(0), MMC[0:4]: SCLKMPLL(6) */
+	ldr	r1, =0x066666
+	ldr	r2, =0x0C240			@ CLK_SRC_FSYS
+	str	r1, [r0, r2]
+
+	/* UART[0:4], PWM: SCLKMPLL(6) */
+	ldr	r1, =0x06666666
+	ldr	r2, =0x0C250			@CLK_SRC_PERIL0_OFFSET
+	str	r1, [r0, r2]
+
+	/* wait ?us */
+	mov	r1, #0x10000
+3:	subs	r1, r1, #1
+	bne	3b
+
+	/*
+	 * CLK_DIV_CPU0:
+	 *
+	 * PCLK_DBG_RATIO[20]	0x1
+	 * ATB_RATIO[16]	0x3
+	 * PERIPH_RATIO[12]	0x3
+	 * COREM1_RATIO[8]	0x7
+	 * COREM0_RATIO[4]	0x3
+	 */
+	ldr	r1, =0x01133730
+	ldr	r2, =0x14500			@CLK_DIV_CPU0_OFFSET
+	str	r1, [r0, r2]
+
+	/* CLK_DIV_CPU1: COPY_RATIO [0]	0x3 */
+	ldr	r1, =0x03
+	ldr	r2, =0x14504			@CLK_DIV_CPU1_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * CLK_DIV_DMC0:
+	 *
+	 * CORE_TIMERS_RATIO[28]	0x1
+	 * COPY2_RATIO[24]	0x3
+	 * DMCP_RATIO[20]	0x1
+	 * DMCD_RATIO[16]	0x1
+	 * DMC_RATIO[12]	0x1
+	 * DPHY_RATIO[8]	0x1
+	 * ACP_PCLK_RATIO[4]	0x1
+	 * ACP_RATIO[0]		0x3
+	 */
+	ldr	r1, =0x13111113
+	ldr	r2, =0x010500			@CLK_DIV_DMC0_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * CLK_DIV_DMC1:
+	 *
+	 * DPM_RATIO[24]	0x1
+	 * DVSEM_RATIO[16]	0x1
+	 * PWI_RATIO[8]		0x1
+	 */
+	ldr	r1, =0x01010100
+	ldr	r2, =0x010504			@CLK_DIV_DMC1_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * CLK_DIV_LEFRBUS:
+	 *
+	 * GPL_RATIO[4]		0x1
+	 * GDL_RATIO[0]		0x3
+	 */
+	ldr	r1, =0x013
+	ldr	r2, =0x04500			@CLK_DIV_LEFTBUS_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * CLK_DIV_RIGHTBUS:
+	 *
+	 * GPR_RATIO[4]		0x1
+	 * GDR_RATIO[0]		0x3
+	 */
+	ldr	r1, =0x013
+	ldr	r2, =0x08500			@CLK_DIV_RIGHTBUS_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * CLK_DIV_TOP:
+	 *
+	 * ONENAND_RATIO[16]	0x0
+	 * ACLK_133_RATIO[12]	0x5
+	 * ACLK_160_RATIO[8]	0x4
+	 * ACLK_100_RATIO[4]	0x7
+	 * ACLK_200_RATIO[0]	0x3
+	 */
+	ldr	r1, =0x05473
+	ldr	r2, =0x0C510			@CLK_DIV_TOP_OFFSET
+	str	r1, [r0, r2]
+
+	/* MMC[0:1] */
+	ldr	r1, =0x000f000f			/* 800(MPLL) / (15 + 1) */
+	ldr	r2, =0x0C544			@ CLK_DIV_FSYS1
+	str	r1, [r0, r2]
+
+	/* MMC[2:3] */
+	ldr	r1, =0x000f020f			/* 800(MPLL) / (15 + 1) */
+	ldr	r2, =0x0C548			@ CLK_DIV_FSYS2
+	str	r1, [r0, r2]
+
+	/* MMC4 */
+	ldr	r1, =0x000f			/* 800(MPLL) / (15 + 1) */
+	ldr	r2, =0x0C54C			@ CLK_DIV_FSYS3
+	str	r1, [r0, r2]
+
+	/* wait ?us */
+	mov	r1, #0x10000
+4:	subs	r1, r1, #1
+	bne	4b
+
+	/*
+	 * CLK_DIV_PERIL0:
+	 *
+	 * UART5_RATIO[20]	8
+	 * UART4_RATIO[16]	8
+	 * UART3_RATIO[12]	8
+	 * UART2_RATIO[8]	8
+	 * UART1_RATIO[4]	8
+	 * UART0_RATIO[0]	8
+	 */
+	ldr	r1, =0x774777
+	ldr	r2, =0x0C550			@CLK_DIV_PERIL0_OFFSET
+	str	r1, [r0, r2]
+
+	/* SLIMBUS: ???, PWM */
+	ldr	r1, =0x8
+	ldr	r2, =0x0C55C			@ CLK_DIV_PERIL3
+	str	r1, [r0, r2]
+
+	/* Set PLL locktime */
+	ldr	r1, =0x01C20
+	ldr	r2, =0x014000			@APLL_LOCK_OFFSET
+	str	r1, [r0, r2]
+	ldr	r1, =0x01C20
+	ldr	r2, =0x014008			@MPLL_LOCK_OFFSET
+	str	r1, [r0, r2]
+	ldr	r1, =0x01C20
+	ldr	r2, =0x0C010			@EPLL_LOCK_OFFSET
+	str	r1, [r0, r2]
+	ldr	r1, =0x01C20
+	ldr	r2, =0x0C020			@VPLL_LOCK_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * APLL_CON1:
+	 *
+	 * APLL_AFC_ENB[31]	0x1
+	 * APLL_AFC[0]		0xC
+	 */
+	ldr	r1, =0x8000000C
+	ldr	r2, =0x014104			@APLL_CON1_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * APLL_CON0:
+	 *
+	 * APLL_MDIV[16]	0xFA
+	 * APLL_PDIV[8]		0x6
+	 * APLL_SDIV[0]		0x1
+	 */
+	ldr	r1, =0x80FA0601
+	ldr	r2, =0x014100			@APLL_CON0_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * MPLL_CON1:
+	 *
+	 * MPLL_AFC_ENB[31]	0x1
+	 * MPLL_AFC[0]		0x1C
+	 */
+	ldr	r1, =0x0000001C
+	ldr	r2, =0x01410C			@MPLL_CON1_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * MPLL_CON0:
+	 *
+	 * MPLL_MDIV[16]	0xC8
+	 * MPLL_PDIV[8]		0x6
+	 * MPLL_SDIV[0]		0x1
+	 */
+	ldr	r1, =0x80C80601
+	ldr	r2, =0x014108			@MPLL_CON0_OFFSET
+	str	r1, [r0, r2]
+
+	/* EPLL */
+	ldr	r1, =0x0
+	ldr	r2, =0x0C114			@EPLL_CON1_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * EPLL_CON0:
+	 *
+	 * EPLL_MDIV[16]	0x30
+	 * EPLL_PDIV[8]		0x3
+	 * EPLL_SDIV[0]		0x2
+	 */
+	ldr	r1, =0x80300302
+	ldr	r2, =0x0C110			@EPLL_CON0_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * VPLL_CON1:
+	 *
+	 * VPLL_MRR[24]		0x11
+	 * VPLL_MFR[16]		0x0
+	 * VPLL_K[0]		0x400
+	 */
+	ldr	r1, =0x11000400
+	ldr	r2, =0x0C124			@VPLL_CON1_OFFSET
+	str	r1, [r0, r2]
+
+	/*
+	 * VPLL_CON0:
+	 *
+	 * VPLL_MDIV[16]	0x35
+	 * VPLL_PDIV[8]		0x3
+	 * VPLL_SDIV[0]		0x2
+	 */
+	ldr	r1, =0x80350302
+	ldr	r2, =0x0C120			@VPLL_CON0_OFFSET
+	str	r1, [r0, r2]
+
+	/* wait ?us */
+	mov	r1, #0x30000
+3:	subs	r1, r1, #1
+	bne	3b
+
+	pop	{pc}
+/*
+ * uart_asm_init: Initialize UART in asm mode, 115200bps fixed.
+ * void uart_asm_init(void)
+ */
+	.globl uart_asm_init
+uart_asm_init:
+
+	/* setup UART0-UART3 GPIOs (part1) */
+	mov	r0, r7
+	ldr	r1, =0x22222222
+	str	r1, [r0, #0x00]			@ S5PC210_GPIO_A0_OFFSET
+	ldr	r1, =0x00222222
+	str	r1, [r0, #0x20]			@ S5PC210_GPIO_A1_OFFSET
+
+	ldr r0, =S5PC210_UART_BASE
+	add r0, r0, #S5PC210_DEFAULT_UART_OFFSET
+
+	ldr r1, =0x3C5
+	str	r1, [r0, #0x4]
+	ldr r1, =0x111
+	str	r1, [r0, #0x8]
+	ldr r1, =0x3
+	str	r1, [r0, #0x0]
+	ldr r1, =0x35
+	str	r1, [r0, #0x28]
+	ldr r1, =0x4
+	str	r1, [r0, #0x2c]
+
+	mov	pc, lr
+	nop
+	nop
+	nop
+
+/* Setting TZPC[TrustZone Protection Controller] */
+tzpc_init:
+	ldr	r0, =0x10110000
+	mov	r1, #0x0
+	str	r1, [r0]
+	mov	r1, #0xff
+	str	r1, [r0, #0x0804]
+	str	r1, [r0, #0x0810]
+	str	r1, [r0, #0x081C]
+	str	r1, [r0, #0x0828]
+
+	ldr	r0, =0x10120000
+	mov	r1, #0x0
+	str	r1, [r0]
+	mov	r1, #0xff
+	str	r1, [r0, #0x0804]
+	str	r1, [r0, #0x0810]
+	str	r1, [r0, #0x081C]
+	str	r1, [r0, #0x0828]
+
+	ldr	r0, =0x10130000
+	mov	r1, #0x0
+	str	r1, [r0]
+	mov	r1, #0xff
+	str	r1, [r0, #0x0804]
+	str	r1, [r0, #0x0810]
+	str	r1, [r0, #0x081C]
+	str	r1, [r0, #0x0828]
+
+	ldr	r0, =0x10140000
+	mov	r1, #0x0
+	str	r1, [r0]
+	mov	r1, #0xff
+	str	r1, [r0, #0x0804]
+	str	r1, [r0, #0x0810]
+	str	r1, [r0, #0x081C]
+	str	r1, [r0, #0x0828]
+
+	ldr	r0, =0x10150000
+	mov	r1, #0x0
+	str	r1, [r0]
+	mov	r1, #0xff
+	str	r1, [r0, #0x0804]
+	str	r1, [r0, #0x0810]
+	str	r1, [r0, #0x081C]
+	str	r1, [r0, #0x0828]
+
+	ldr	r0, =0x10160000
+	mov	r1, #0x0
+	str	r1, [r0]
+	mov	r1, #0xff
+	str	r1, [r0, #0x0804]
+	str	r1, [r0, #0x0810]
+	str	r1, [r0, #0x081C]
+	str	r1, [r0, #0x0828]
+
+	mov	pc, lr
diff --git a/board/samsung/smdkv310/mem_setup.S b/board/samsung/smdkv310/mem_setup.S
new file mode 100644
index 0000000..d8c3ed4
--- /dev/null
+++ b/board/samsung/smdkv310/mem_setup.S
@@ -0,0 +1,365 @@
+/*
+ * Memory setup for SMDKV310 board based on S5PC210
+ *
+ * Copyright (C) 2011 Samsung Electronics
+ *
+ * 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>
+
+#define SET_MIU
+
+#define MEM_DLL
+
+#ifdef CONFIG_CLK_800_330_165
+#define DRAM_CLK_330
+#endif
+#ifdef CONFIG_CLK_1000_200_200
+#define DRAM_CLK_200
+#endif
+#ifdef CONFIG_CLK_1000_330_165
+#define DRAM_CLK_330
+#endif
+#ifdef CONFIG_CLK_1000_400_200
+#define DRAM_CLK_400
+#endif
+
+	.globl mem_ctrl_asm_init
+mem_ctrl_asm_init:
+
+	/*
+	* Async bridge configuration at CPU_core:
+	* 1: half_sync
+	* 0: full_sync
+	*/
+	ldr r0, =0x10010350
+	mov r1, #1
+	str r1, [r0]
+
+#ifdef SET_MIU
+	ldr	r0, =S5PC210_MIU_BASE	@0x10600000
+#ifdef CONFIG_MIU_1BIT_INTERLEAVED
+	ldr	r1, =0x0000000c
+	str	r1, [r0, #0x400]	@MIU_INTLV_CONFIG
+	ldr	r1, =0x40000000
+	str	r1, [r0, #0x808]	@MIU_INTLV_START_ADDR
+	ldr	r1, =0xbfffffff
+	str	r1, [r0, #0x810]	@MIU_INTLV_END_ADDR
+	ldr	r1, =0x00000001
+	str	r1, [r0, #0x800]	@MIU_MAPPING_UPDATE
+#endif
+#ifdef CONFIG_MIU_2BIT_INTERLEAVED
+	ldr	r1, =0x2000150c
+	str	r1, [r0, #0x400]	@MIU_INTLV_CONFIG
+	ldr	r1, =0x40000000
+	str	r1, [r0, #0x808]	@MIU_INTLV_START_ADDR
+	ldr	r1, =0xbfffffff
+	str	r1, [r0, #0x810]	@MIU_INTLV_END_ADDR
+	ldr	r1, =0x00000001
+	str	r1, [r0, #0x800]	@MIU_MAPPING_UPDATE
+#endif
+#ifdef CONFIG_MIU_LINEAR
+	ldr	r1, =0x40000000
+	str	r1, [r0, #0x818]	@MIU_SINGLE_MAPPING0_START_ADDR
+	ldr	r1, =0x7fffffff
+	str	r1, [r0, #0x820]	@MIU_SINGLE_MAPPING0_END_ADDR
+	ldr	r1, =0x80000000
+	str	r1, [r0, #0x828]	@MIU_SINGLE_MAPPING1_START_ADDR
+	ldr	r1, =0xbfffffff
+	str	r1, [r0, #0x830]	@MIU_SINGLE_MAPPING1_END_ADDR]
+	ldr	r1, =0x00000006
+	str	r1, [r0, #0x800]	@MIU_MAPPING_UPDATE
+#endif
+#endif
+	/* DREX0 */
+	ldr	r0, =S5PC210_DMC0_BASE	@0x10400000
+
+	ldr	r1, =0xe0000086
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+
+	ldr	r1, =0xE3855703
+	str	r1, [r0, #0x44]		@DMC_PHYZQCONTROL
+
+	mov	r2, #0x100000
+1:	subs	r2, r2, #1
+	bne	1b
+
+	ldr	r1, =0xe000008e
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+	ldr	r1, =0xe0000086
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+
+	ldr	r1, =0x71101008
+	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
+	ldr	r1, =0x7110100A
+	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
+	ldr	r1, =0xe0000086
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+	ldr	r1, =0x7110100B
+	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
+
+	ldr	r1, =0x00000000
+	str	r1, [r0, #0x20]		@DMC_PHYCONTROL2
+
+	ldr	r1, =0x0FFF301a
+	str	r1, [r0, #0x00]		@DMC_CONCONTROL
+	ldr	r1, =0x00312640
+	str	r1, [r0, #0x04]		@DMC_MEMCONTROL]
+
+#ifdef MIU_LINEAR
+	ldr	r1, =0x40e01323
+	str	r1, [r0, #0x08]		@DMC_MEMCONFIG0
+	ldr	r1, =0x60e01323
+	str	r1, [r0, #0x0C]		@DMC_MEMCONFIG1
+#else	/* @MIU_1BIT_INTERLEAVED | MIU_2BIT_INTERLEAVED */
+	ldr	r1, =0x20e01323
+	str	r1, [r0, #0x08]		@DMC_MEMCONFIG0
+	ldr	r1, =0x40e01323
+	str	r1, [r0, #0x0C]		@DMC_MEMCONFIG1
+#endif
+
+	ldr	r1, =0xff000000
+	str	r1, [r0, #0x14]		@DMC_PRECHCONFIG
+
+	ldr	r1, =0x000000BC
+	str	r1, [r0, #0x30]		@DMC_TIMINGAREF
+
+#ifdef DRAM_CLK_330
+	ldr	r1, =0x3545548d
+	str	r1, [r0, #0x34]		@DMC_TIMINGROW
+	ldr	r1, =0x45430506
+	str	r1, [r0, #0x38]		@DMC_TIMINGDATA
+	ldr	r1, =0x4439033c
+	str	r1, [r0, #0x3C]		@DMC_TIMINGPOWER
+#endif
+#ifdef DRAM_CLK_400
+	ldr	r1, =0x4046654f
+	str	r1, [r0, #0x34]		@DMC_TIMINGROW
+	ldr	r1, =0x56500506
+	str	r1, [r0, #0x38]		@DMC_TIMINGDATA
+	ldr	r1, =0x5444033d
+	str	r1, [r0, #0x3C]		@DMC_TIMINGPOWER
+#endif
+	ldr	r1, =0x07000000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+2:	subs	r2, r2, #1
+	bne	2b
+
+	ldr	r1, =0x00020000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00030000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00010002
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00000328
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+3:	subs	r2, r2, #1
+	bne	3b
+
+	ldr	r1, =0x0a000000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+4:	subs	r2, r2, #1
+	bne	4b
+
+	ldr	r1, =0x07100000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+5:	subs	r2, r2, #1
+	bne	5b
+
+	ldr	r1, =0x00120000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00130000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00110002
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00100328
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+6:	subs	r2, r2, #1
+	bne	6b
+
+	ldr	r1, =0x0a100000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+7:	subs	r2, r2, #1
+	bne	7b
+
+	ldr	r1, =0xe000008e
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+	ldr	r1, =0xe0000086
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+
+	mov	r2, #0x100000
+8:	subs	r2, r2, #1
+	bne	8b
+
+	/* DREX1 */
+	ldr	r0, =S5PC210_DMC1_BASE	@0x10410000
+
+	ldr	r1, =0xe0000086
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+
+	ldr	r1, =0xE3855703
+	str	r1, [r0, #0x44]		@DMC_PHYZQCONTROL
+
+	mov	r2, #0x100000
+1:	subs	r2, r2, #1
+	bne	1b
+
+	ldr	r1, =0xe000008e
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+	ldr	r1, =0xe0000086
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+
+	ldr	r1, =0x71101008
+	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
+	ldr	r1, =0x7110100A
+	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
+	ldr	r1, =0xe0000086
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+	ldr	r1, =0x7110100B
+	str	r1, [r0, #0x18]		@DMC_PHYCONTROL0
+
+	ldr	r1, =0x00000000
+	str	r1, [r0, #0x20]		@DMC_PHYCONTROL2
+
+	ldr	r1, =0x0FFF301a
+	str	r1, [r0, #0x00]		@DMC_CONCONTROL
+	ldr	r1, =0x00312640
+	str	r1, [r0, #0x04]		@DMC_MEMCONTROL]
+
+#ifdef MIU_LINEAR
+	ldr	r1, =0x40e01323
+	str	r1, [r0, #0x08]		@DMC_MEMCONFIG0
+	ldr	r1, =0x60e01323
+	str	r1, [r0, #0x0C]		@DMC_MEMCONFIG1
+#else	/* @MIU_1BIT_INTERLEAVED | MIU_2BIT_INTERLEAVED */
+	ldr	r1, =0x20e01323
+	str	r1, [r0, #0x08]		@DMC_MEMCONFIG0
+	ldr	r1, =0x40e01323
+	str	r1, [r0, #0x0C]		@DMC_MEMCONFIG1
+#endif
+
+	ldr	r1, =0xff000000
+	str	r1, [r0, #0x14]		@DMC_PRECHCONFIG
+
+	ldr	r1, =0x000000BC
+	str	r1, [r0, #0x30]		@DMC_TIMINGAREF
+
+#ifdef DRAM_CLK_330
+	ldr	r1, =0x3545548d
+	str	r1, [r0, #0x34]		@DMC_TIMINGROW
+	ldr	r1, =0x45430506
+	str	r1, [r0, #0x38]		@DMC_TIMINGDATA
+	ldr	r1, =0x4439033c
+	str	r1, [r0, #0x3C]		@DMC_TIMINGPOWER
+#endif
+#ifdef DRAM_CLK_400
+	ldr	r1, =0x4046654f
+	str	r1, [r0, #0x34]		@DMC_TIMINGROW
+	ldr	r1, =0x56500506
+	str	r1, [r0, #0x38]		@DMC_TIMINGDATA
+	ldr	r1, =0x5444033d
+	str	r1, [r0, #0x3C]		@DMC_TIMINGPOWER
+#endif
+
+	ldr	r1, =0x07000000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+2:	subs	r2, r2, #1
+	bne	2b
+
+	ldr	r1, =0x00020000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00030000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00010002
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00000328
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+3:	subs	r2, r2, #1
+	bne	3b
+
+	ldr	r1, =0x0a000000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+4:	subs	r2, r2, #1
+	bne	4b
+
+	ldr	r1, =0x07100000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+5:	subs	r2, r2, #1
+	bne	5b
+
+	ldr	r1, =0x00120000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00130000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00110002
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+	ldr	r1, =0x00100328
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+6:	subs	r2, r2, #1
+	bne	6b
+
+	ldr	r1, =0x0a100000
+	str	r1, [r0, #0x10]		@DMC_DIRECTCMD
+
+	mov	r2, #0x100000
+7:	subs	r2, r2, #1
+	bne	7b
+
+	ldr	r1, =0xe000008e
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+	ldr	r1, =0xe0000086
+	str	r1, [r0, #0x1C]		@DMC_PHYCONTROL1
+
+	mov	r2, #0x100000
+8:	subs	r2, r2, #1
+	bne	8b
+
+	/* turn on DREX0, DREX1 */
+	ldr	r0, =0x10400000		@APB_DMC_0_BASE
+	ldr	r1, =0x0FFF303a
+	str	r1, [r0, #0x00]		@DMC_CONCONTROL
+
+	ldr	r0, =0x10410000		@APB_DMC_1_BASE
+	ldr	r1, =0x0FFF303a
+	str	r1, [r0, #0x00]		@DMC_CONCONTROL
+
+	mov	pc, lr
diff --git a/board/samsung/smdkv310/smdkv310.c b/board/samsung/smdkv310/smdkv310.c
new file mode 100644
index 0000000..acf9ee7
--- /dev/null
+++ b/board/samsung/smdkv310/smdkv310.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics
+ *
+ * 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 <netdev.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/sromc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+struct s5pc210_gpio_part1 *gpio1;
+struct s5pc210_gpio_part2 *gpio2;
+
+static void smc9115_pre_init(void)
+{
+	u32 smc_bw_conf, smc_bc_conf;
+
+	/* gpio configuration GPK0CON */
+	gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
+
+	/* Ethernet needs bus width of 16 bits */
+	smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
+	smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
+			| SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
+			| SROMC_BC_TAH(0x0F)  | SROMC_BC_TACP(0x0F)
+			| SROMC_BC_PMC(0x0F);
+
+	/* Select and configure the SROMC bank */
+	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
+}
+
+int board_init(void)
+{
+	gpio1 = (struct s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE;
+	gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE;
+
+	smc9115_pre_init();
+
+	gd->bd->bi_arch_number = MACH_TYPE_SMDKV310;
+	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size	= get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
+			+ get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
+			+ get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
+			+ get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
+
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
+	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
+	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
+	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_SMC911X
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+	return rc;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	printf("\nBoard: SMDKV310\n");
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+	int i, err;
+
+	/*
+	 * MMC2 SD card GPIO:
+	 *
+	 * GPK2[0]	SD_2_CLK(2)
+	 * GPK2[1]	SD_2_CMD(2)
+	 * GPK2[2]	SD_2_CDn
+	 * GPK2[3:6]	SD_2_DATA[0:3](2)
+	 */
+	for (i = 0; i < 7; i++) {
+		/* GPK2[0:6] special function 2 */
+		gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
+
+		/* GPK2[0:6] drv 4x */
+		gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
+
+		/* GPK2[0:1] pull disable */
+		if (i == 0 || i == 1) {
+			gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
+			continue;
+		}
+
+		/* GPK2[2:6] pull up */
+		gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
+	}
+	err = s5p_mmc_init(2, 4);
+	return err;
+}
+#endif