armv7: add support for s5pc210 universal board

This patch adds support for Samsung s5pc210 universal board

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

4 files changed, 730 insertions, 0 deletions

diff --git a/board/samsung/universal_c210/Makefile b/board/samsung/universal_c210/Makefile
new file mode 100644
index 0000000000..0200220352
--- /dev/null
+++ b/board/samsung/universal_c210/Makefile
@@ -0,0 +1,51 @@
+#
+# Copyright (C) 2010 Samsung Electronics
+# Minkyu Kang <mk7.kang@samsung.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS-y	:= universal.o onenand.o
+SOBJS	:= lowlevel_init.o
+
+SRCS    := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(SOBJS) $(OBJS)
+	$(call cmd_link_o_target, $(SOBJS) $(OBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/samsung/universal_c210/lowlevel_init.S b/board/samsung/universal_c210/lowlevel_init.S
new file mode 100644
index 0000000000..67635bbfb2
--- /dev/null
+++ b/board/samsung/universal_c210/lowlevel_init.S
@@ -0,0 +1,395 @@
+/*
+ * Lowlevel setup for universal board based on S5PC210
+ *
+ * Copyright (C) 2010 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/clock.h>
+
+/*
+ * Register usages:
+ *
+ * r5 has zero always
+ * r7 has GPIO part1 base 0x11400000
+ * r6 has GPIO part2 base 0x11000000
+ */
+
+	.globl lowlevel_init
+lowlevel_init:
+	mov	r11, lr
+
+	/* r5 has always zero */
+	mov	r5, #0
+
+	ldr	r7, =S5PC210_GPIO_PART1_BASE
+	ldr	r6, =S5PC210_GPIO_PART2_BASE
+
+	/* System Timer */
+	ldr	r0, =S5PC210_SYSTIMER_BASE
+	ldr	r1, =0x5000
+	str	r1, [r0, #0x0]
+	ldr	r1, =0xffffffff
+	str	r1, [r0, #0x8]
+	ldr	r1, =0x49
+	str	r1, [r0, #0x4]
+
+	/* PMIC manual reset */
+	/* nPOWER: XEINT_23: GPX2[7] */
+	add	r0, r6, #0xC40			@ S5PC210_GPIO_X2_OFFSET
+	ldr	r1, [r0, #0x0]
+	bic	r1, r1, #(0xf << 28)		@ 28 = 7 * 4-bit
+	orr	r1, r1, #(0x1 << 28)		@ Output
+	str	r1, [r0, #0x0]
+
+	ldr	r1, [r0, #0x4]
+	orr	r1, r1, #(1 << 7)		@ 7 = 7 * 1-bit
+	str	r1, [r0, #0x4]
+
+	/* init system clock */
+	bl	system_clock_init
+
+	/* Disable Watchdog */
+	ldr	r0, =S5PC210_WATCHDOG_BASE		@0x10060000
+	str	r5, [r0]
+
+	/* UART */
+	bl	uart_asm_init
+
+	/* PMU init */
+	bl	system_power_init
+
+	bl	tzpc_init
+
+	mov	lr, r11
+	mov	pc, lr
+	nop
+	nop
+	nop
+
+/*
+ * uart_asm_init: Initialize UART's pins
+ */
+uart_asm_init:
+	/*
+	 * setup UART0-UART4 GPIOs (part1)
+	 * GPA1CON[3] = I2C_3_SCL (3)
+	 * GPA1CON[2] = I2C_3_SDA (3)
+	 */
+	mov	r0, r7
+	ldr	r1, =0x22222222
+	str	r1, [r0, #0x00]			@ S5PC210_GPIO_A0_OFFSET
+	ldr	r1, =0x00223322
+	str	r1, [r0, #0x20]			@ S5PC210_GPIO_A1_OFFSET
+
+	/* UART_SEL GPY4[7] (part2) at S5PC210 */
+	add	r0, r6, #0x1A0			@ S5PC210_GPIO_Y4_OFFSET
+	ldr	r1, [r0, #0x0]
+	bic	r1, r1, #(0xf << 28)		@ 28 = 7 * 4-bit
+	orr	r1, r1, #(0x1 << 28)
+	str	r1, [r0, #0x0]
+
+	ldr	r1, [r0, #0x8]
+	bic	r1, r1, #(0x3 << 14)		@ 14 = 7 * 2-bit
+	orr	r1, r1, #(0x3 << 14)		@ Pull-up enabled
+	str	r1, [r0, #0x8]
+
+	ldr	r1, [r0, #0x4]
+	orr	r1, r1, #(1 << 7)		@ 7 = 7 * 1-bit
+	str	r1, [r0, #0x4]
+
+	mov	pc, lr
+	nop
+	nop
+	nop
+
+system_clock_init:
+	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
+1:	subs	r1, r1, #1
+	bne	1b
+
+	/*
+	 * CLK_SRC_TOP0
+	 * MUX_ONENAND_SEL[28]	0: DOUT133, 1: DOUT166
+	 * MUX_VPLL_SEL[8]	0: FINPLL,  1: FOUTVPLL
+	 * MUX_EPLL_SEL[4]	0: FINPLL,  1: FOUTEPLL
+	 */
+	ldr	r1, =0x10000110
+	ldr	r2, =0x0C210			@ CLK_SRC_TOP
+	str	r1, [r0, r2]
+
+	/* SATA: SCLKMPLL(0), MMC[0:4]: SCLKMPLL(6) */
+	ldr	r1, =0x0066666
+	ldr	r2, =0x0C240			@ CLK_SRC_FSYS
+	str	r1, [r0, r2]
+	/* UART[0:5], PWM: SCLKMPLL(6) */
+	ldr	r1, =0x6666666
+	ldr	r2, =0x0C250			@ CLK_SRC_PERIL0_OFFSET
+	str	r1, [r0, r2]
+
+	/* CPU0: CORE, COREM0, COREM1, PERI, ATB, PCLK_DBG, APLL */
+	ldr	r1, =0x0133730
+	ldr	r2, =0x14500			@ CLK_DIV_CPU0
+	str	r1, [r0, r2]
+	/* CPU1: COPY, HPM */
+	ldr	r1, =0x03
+	ldr	r2, =0x14504			@ CLK_DIV_CPU1
+	str	r1, [r0, r2]
+	/* DMC0: ACP, ACP_PCLK, DPHY, DMC, DMCD, DMCP, COPY2 CORE_TIMER */
+	ldr	r1, =0x13111113
+	ldr	r2, =0x10500			@ CLK_DIV_DMC0
+	str	r1, [r0, r2]
+	/* DMC1: PWI, DVSEM, DPM */
+	ldr	r1, =0x01010100
+	ldr	r2, =0x10504			@ CLK_DIV_DMC1
+	str	r1, [r0, r2]
+	/* LEFTBUS: GDL, GPL */
+	ldr	r1, =0x13
+	ldr	r2, =0x04500			@ CLK_DIV_LEFTBUS
+	str	r1, [r0, r2]
+	/* RIGHHTBUS: GDR, GPR */
+	ldr	r1, =0x13
+	ldr	r2, =0x08500			@ CLK_DIV_RIGHTBUS
+	str	r1, [r0, r2]
+	/*
+	 * CLK_DIV_TOP
+	 * ONENAND_RATIOD[18:16]: 0 SCLK_ONENAND = MOUTONENAND / (n + 1)
+	 * ACLK_200, ACLK_100, ACLK_160, ACLK_133,
+	 */
+	ldr	r1, =0x00005473
+	ldr	r2, =0x0C510			@ CLK_DIV_TOP
+	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, =0x000f000f			/* 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]
+	/* UART[0:5] */
+	ldr	r1, =0x774777
+	ldr	r2, =0x0C550			@ CLK_DIV_PERIL0
+	str	r1, [r0, r2]
+	/* SLIMBUS: ???, PWM */
+	ldr	r1, =0x8
+	ldr	r2, =0x0C55C			@ CLK_DIV_PERIL3
+	str	r1, [r0, r2]
+
+	/* PLL Setting */
+	ldr	r1, =0x1C20
+	ldr	r2, =0x14000			@ APLL_LOCK
+	str	r1, [r0, r2]
+	ldr	r2, =0x14008			@ MPLL_LOCK
+	str	r1, [r0, r2]
+	ldr	r2, =0x0C010			@ EPLL_LOCK
+	str	r1, [r0, r2]
+	ldr	r2, =0x0C020			@ VPLL_LOCK
+	str	r1, [r0, r2]
+
+	/* APLL */
+	ldr	r1, =0x8000001c
+	ldr	r2, =0x14104			@ APLL_CON1
+	str	r1, [r0, r2]
+	ldr	r1, =0x80c80601			@ 800MHz
+	ldr	r2, =0x14100			@ APLL_CON0
+	str	r1, [r0, r2]
+	/* MPLL */
+	ldr	r1, =0x8000001C
+	ldr	r2, =0x1410C			@ MPLL_CON1
+	str	r1, [r0, r2]
+	ldr	r1, =0x80c80601			@ 800MHz
+	ldr	r2, =0x14108			@ MPLL_CON0
+	str	r1, [r0, r2]
+	/* EPLL */
+	ldr	r1, =0x0
+	ldr	r2, =0x0C114			@ EPLL_CON1
+	str	r1, [r0, r2]
+	ldr	r1, =0x80300302			@ 96MHz
+	ldr	r2, =0x0C110			@ EPLL_CON0
+	str	r1, [r0, r2]
+	/* VPLL */
+	ldr	r1, =0x11000400
+	ldr	r2, =0x0C124			@ VPLL_CON1
+	str	r1, [r0, r2]
+	ldr	r1, =0x80350302			@ 108MHz
+	ldr	r2, =0x0C120			@ VPLL_CON0
+	str	r1, [r0, r2]
+
+	/*
+	 * SMMUJPEG[11], JPEG[6], CSIS1[5]		: 0111 1001
+	 * Turn off all
+	 */
+	ldr	r1, =0xFFF80000
+	ldr	r2, =0x0C920			@ CLK_GATE_IP_CAM
+	str	r1, [r0, r2]
+
+	/* Turn off all */
+	ldr	r1, =0xFFFFFFC0
+	ldr	r2, =0x0C924			@ CLK_GATE_IP_VP
+	str	r1, [r0, r2]
+
+	/* Turn off all */
+	ldr	r1, =0xFFFFFFE0
+	ldr	r2, =0x0C928			@ CLK_GATE_IP_MFC
+	str	r1, [r0, r2]
+
+	/* Turn off all */
+	ldr	r1, =0xFFFFFFFC
+	ldr	r2, =0x0C92C			@ CLK_GATE_IP_G3D
+	str	r1, [r0, r2]
+
+	/* Turn off all */
+	ldr	r1, =0xFFFFFC00
+	ldr	r2, =0x0C930			@ CLK_GATE_IP_IMAGE
+	str	r1, [r0, r2]
+
+	/* DSIM0[3], MDNIE0[2], MIE0[1]			: 0001 */
+	ldr	r1, =0xFFFFFFF1
+	ldr	r2, =0x0C934			@ CLK_GATE_IP_LCD0
+	str	r1, [r0, r2]
+
+	/* Turn off all */
+	ldr	r1, =0xFFFFFFC0
+	ldr	r2, =0x0C938			@ CLK_GATE_IP_LCD1
+	str	r1, [r0, r2]
+
+	/*
+	 * SMMUPCIE[18], NFCON[16]			: 1111 1010
+	 * PCIE[14],  SATA[10], SDMMC43[9:8]		: 1011 1000
+	 * SDMMC1[6], TSI[4], SATAPHY[3], PCIEPHY[2]	: 1010 0011
+	 */
+	ldr	r1, =0xFFFAB8A3
+	ldr	r2, =0x0C940			@ CLK_GATE_IP_FSYS
+	str	r1, [r0, r2]
+
+	/* Turn off all */
+	ldr	r1, =0xFFFFFFFC
+	ldr	r2, =0x0C94C			@ CLK_GATE_IP_GPS
+	str	r1, [r0, r2]
+
+	/*
+	 * AC97[27], SPDIF[26], SLIMBUS[25]		: 1111 0001
+	 * I2C2[8]					: 1111 1110
+	 */
+	ldr	r1, =0xF1FFFEFF
+	ldr	r2, =0x0C950			@ CLK_GATE_IP_PERIL
+	str	r1, [r0, r2]
+
+	/*
+	 * KEYIF[16]					: 1111 1110
+	 */
+	ldr	r1, =0xFFFEFFFF
+	ldr	r2, =0x0C960			@ CLK_GATE_IP_PERIR
+	str	r1, [r0, r2]
+
+	/* LCD1[5], G3D[3], MFC[2], TV[1]		: 1101 0001 */
+	ldr	r1, =0xFFFFFFD1
+	ldr	r2, =0x0C970			@ CLK_GATE_BLOCK
+	str	r1, [r0, r2]
+	mov	pc, lr
+	nop
+	nop
+	nop
+
+system_power_init:
+	ldr	r0, =S5PC210_POWER_BASE		@ 0x10020000
+
+	ldr	r2, =0x330C			@ PS_HOLD_CONTROL
+	ldr	r1, [r0, r2]
+	orr	r1, r1, #(0x3 << 8)		@ Data High, Output En
+	str	r1, [r0, r2]
+
+	/* Power Down */
+	add	r2, r0, #0x3000
+	str	r5, [r2, #0xC20]		@ TV_CONFIGURATION
+	str	r5, [r2, #0xC40]		@ MFC_CONFIGURATION
+	str	r5, [r2, #0xC60]		@ G3D_CONFIGURATION
+	str	r5, [r2, #0xCA0]		@ LCD1_CONFIGURATION
+	str	r5, [r2, #0xCE0]		@ GPS_CONFIGURATION
+
+	mov	pc, lr
+	nop
+	nop
+	nop
+
+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]
+
+	mov	pc, lr
diff --git a/board/samsung/universal_c210/onenand.c b/board/samsung/universal_c210/onenand.c
new file mode 100644
index 0000000000..20e1dc54eb
--- /dev/null
+++ b/board/samsung/universal_c210/onenand.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2010 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+
+void onenand_board_init(struct mtd_info *mtd)
+{
+	struct onenand_chip *this = mtd->priv;
+
+	this->base = (void *)CONFIG_SYS_ONENAND_BASE;
+	this->options |= ONENAND_RUNTIME_BADBLOCK_CHECK;
+}
diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
new file mode 100644
index 0000000000..b65bc6ecb7
--- /dev/null
+++ b/board/samsung/universal_c210/universal.c
@@ -0,0 +1,250 @@
+/*
+ *  Copyright (C) 2010 Samsung Electronics
+ *  Minkyu Kang <mk7.kang@samsung.com>
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/adc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct s5pc210_gpio_part1 *gpio1;
+struct s5pc210_gpio_part2 *gpio2;
+unsigned int board_rev;
+
+u32 get_board_rev(void)
+{
+	return board_rev;
+}
+
+static int get_hwrev(void)
+{
+	return board_rev & 0xFF;
+}
+
+static void check_hw_revision(void);
+
+int board_init(void)
+{
+	gpio1 = (struct s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE;
+	gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE;
+
+	gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210;
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	check_hw_revision();
+	printf("HW Revision:\t0x%x\n", board_rev);
+
+	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);
+
+	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;
+}
+
+static unsigned short get_adc_value(int channel)
+{
+	struct s5p_adc *adc = (struct s5p_adc *)samsung_get_base_adc();
+	unsigned short ret = 0;
+	unsigned int reg;
+	unsigned int loop = 0;
+
+	writel(channel & 0xF, &adc->adcmux);
+	writel((1 << 14) | (49 << 6), &adc->adccon);
+	writel(1000 & 0xffff, &adc->adcdly);
+	writel(readl(&adc->adccon) | (1 << 16), &adc->adccon); /* 12 bit */
+	udelay(10);
+	writel(readl(&adc->adccon) | (1 << 0), &adc->adccon); /* Enable */
+	udelay(10);
+
+	do {
+		udelay(1);
+		reg = readl(&adc->adccon);
+	} while (!(reg & (1 << 15)) && (loop++ < 1000));
+
+	ret = readl(&adc->adcdat0) & 0xFFF;
+
+	return ret;
+}
+
+static unsigned int get_hw_revision(void)
+{
+	int hwrev, mode0, mode1;
+
+	mode0 = get_adc_value(1);		/* HWREV_MODE0 */
+	mode1 = get_adc_value(2);		/* HWREV_MODE1 */
+
+	/*
+	 * XXX Always set the default hwrev as the latest board
+	 * ADC = (voltage) / 3.3 * 4096
+	 */
+	hwrev = 3;
+
+#define IS_RANGE(x, min, max)	((x) > (min) && (x) < (max))
+	if (IS_RANGE(mode0, 80, 200) && IS_RANGE(mode1, 80, 200))
+		hwrev = 0x0;		/* 0.01V	0.01V */
+	if (IS_RANGE(mode0, 750, 1000) && IS_RANGE(mode1, 80, 200))
+		hwrev = 0x1;		/* 610mV	0.01V */
+	if (IS_RANGE(mode0, 1300, 1700) && IS_RANGE(mode1, 80, 200))
+		hwrev = 0x2;		/* 1.16V	0.01V */
+	if (IS_RANGE(mode0, 2000, 2400) && IS_RANGE(mode1, 80, 200))
+		hwrev = 0x3;		/* 1.79V	0.01V */
+#undef IS_RANGE
+
+	debug("mode0: %d, mode1: %d, hwrev 0x%x\n", mode0, mode1, hwrev);
+
+	return hwrev;
+}
+
+static void check_hw_revision(void)
+{
+	int hwrev;
+
+	hwrev = get_hw_revision();
+
+	board_rev |= hwrev;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	puts("Board:\tUniversal C210\n");
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+	int i, err;
+
+	switch (get_hwrev()) {
+	case 0:
+		/*
+		 * Set the low to enable LDO_EN
+		 * But when you use the test board for eMMC booting
+		 * you should set it HIGH since it removes the inverter
+		 */
+		/* MASSMEMORY_EN: XMDMDATA_6: GPE3[6] */
+		gpio_direction_output(&gpio1->e3, 6, 0);
+		break;
+	default:
+		/*
+		 * Default reset state is High and there's no inverter
+		 * But set it as HIGH to ensure
+		 */
+		/* MASSMEMORY_EN: XMDMADDR_3: GPE1[3] */
+		gpio_direction_output(&gpio1->e1, 3, 1);
+		break;
+	}
+
+	/*
+	 * eMMC GPIO:
+	 * SDR 8-bit@48MHz at MMC0
+	 * GPK0[0]	SD_0_CLK(2)
+	 * GPK0[1]	SD_0_CMD(2)
+	 * GPK0[2]	SD_0_CDn	-> Not used
+	 * GPK0[3:6]	SD_0_DATA[0:3](2)
+	 * GPK1[3:6]	SD_0_DATA[0:3](3)
+	 *
+	 * DDR 4-bit@26MHz at MMC4
+	 * GPK0[0]	SD_4_CLK(3)
+	 * GPK0[1]	SD_4_CMD(3)
+	 * GPK0[2]	SD_4_CDn	-> Not used
+	 * GPK0[3:6]	SD_4_DATA[0:3](3)
+	 * GPK1[3:6]	SD_4_DATA[4:7](4)
+	 */
+	for (i = 0; i < 7; i++) {
+		if (i == 2)
+			continue;
+		/* GPK0[0:6] special function 2 */
+		gpio_cfg_pin(&gpio2->k0, i, 0x2);
+		/* GPK0[0:6] pull disable */
+		gpio_set_pull(&gpio2->k0, i, GPIO_PULL_NONE);
+		/* GPK0[0:6] drv 4x */
+		gpio_set_drv(&gpio2->k0, i, GPIO_DRV_4X);
+	}
+
+	for (i = 3; i < 7; i++) {
+		/* GPK1[3:6] special function 3 */
+		gpio_cfg_pin(&gpio2->k1, i, 0x3);
+		/* GPK1[3:6] pull disable */
+		gpio_set_pull(&gpio2->k1, i, GPIO_PULL_NONE);
+		/* GPK1[3:6] drv 4x */
+		gpio_set_drv(&gpio2->k1, i, GPIO_DRV_4X);
+	}
+
+	/* T-flash detect */
+	gpio_cfg_pin(&gpio2->x3, 4, 0xf);
+	gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP);
+
+	/*
+	 * MMC device init
+	 * mmc0	 : eMMC (8-bit buswidth)
+	 * mmc2	 : SD card (4-bit buswidth)
+	 */
+	err = s5p_mmc_init(0, 8);
+
+	/*
+	 * Check the T-flash  detect pin
+	 * GPX3[4] T-flash detect pin
+	 */
+	if (!gpio_get_value(&gpio2->x3, 4)) {
+		/*
+		 * SD card GPIO:
+		 * GPK2[0]	SD_2_CLK(2)
+		 * GPK2[1]	SD_2_CMD(2)
+		 * GPK2[2]	SD_2_CDn	-> Not used
+		 * GPK2[3:6]	SD_2_DATA[0:3](2)
+		 */
+		for (i = 0; i < 7; i++) {
+			if (i == 2)
+				continue;
+			/* GPK2[0:6] special function 2 */
+			gpio_cfg_pin(&gpio2->k2, i, 0x2);
+			/* GPK2[0:6] pull disable */
+			gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
+			/* GPK2[0:6] drv 4x */
+			gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
+		}
+		err = s5p_mmc_init(2, 4);
+	}
+
+	return err;
+
+}
+#endif