board/samsung/universal_c210/universal.c - github/trini/u-boot - Gitiles

 /*
  *  Copyright (C) 2010 Samsung Electronics
  *  Minkyu Kang <mk7.kang@samsung.com>
  *  Kyungmin Park <kyungmin.park@samsung.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #include <common.h>
 #include <spi.h>
 #include <lcd.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <asm/arch/adc.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/watchdog.h>
 #include <libtizen.h>
 #include <ld9040.h>
 #include <power/pmic.h>
 #include <usb/s3c_udc.h>
 #include <asm/arch/cpu.h>
 #include <power/max8998_pmic.h>

 DECLARE_GLOBAL_DATA_PTR;

 struct exynos4_gpio_part1 *gpio1;
 struct exynos4_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 init_pmic_lcd(void);

 int power_init_board(void)
 {
 	int ret;

 	/*
 	 * For PMIC the I2C bus is named as I2C5, but it is connected
 	 * to logical I2C adapter 0
 	 */
 	ret = pmic_init(I2C_0);
 	if (ret)
 		return ret;

 	init_pmic_lcd();

 	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 int adc_power_control(int on)
 {
 	int ret;
 	struct pmic *p = pmic_get("MAX8998_PMIC");
 	if (!p)
 		return -ENODEV;

 	if (pmic_probe(p))
 		return -1;

 	ret = pmic_set_output(p,
 			      MAX8998_REG_ONOFF1,
 			      MAX8998_LDO4, !!on);

 	return ret;
 }

 static unsigned int get_hw_revision(void)
 {
 	int hwrev, mode0, mode1;

 	adc_power_control(1);

 	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);

 	adc_power_control(0);

 	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 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] */
 		s5p_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] */
 		s5p_gpio_direction_output(&gpio1->e1, 3, 1);
 		break;
 	}

 	/*
 	 * MMC device init
 	 * mmc0	 : eMMC (8-bit buswidth)
 	 * mmc2	 : SD card (4-bit buswidth)
 	 */
 	err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
 	if (err)
 		debug("SDMMC0 not configured\n");
 	else
 		err = s5p_mmc_init(0, 8);

 	/* T-flash detect */
 	s5p_gpio_cfg_pin(&gpio2->x3, 4, 0xf);
 	s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP);

 	/*
 	 * Check the T-flash  detect pin
 	 * GPX3[4] T-flash detect pin
 	 */
 	if (!s5p_gpio_get_value(&gpio2->x3, 4)) {
 		err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
 		if (err)
 			debug("SDMMC2 not configured\n");
 		else
 			err = s5p_mmc_init(2, 4);
 	}

 	return err;

 }
 #endif

 #ifdef CONFIG_USB_GADGET
 static int s5pc210_phy_control(int on)
 {
 	int ret = 0;
 	struct pmic *p = pmic_get("MAX8998_PMIC");
 	if (!p)
 		return -ENODEV;

 	if (pmic_probe(p))
 		return -1;

 	if (on) {
 		ret |= pmic_set_output(p,
 				       MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
 				       MAX8998_SAFEOUT1, LDO_ON);
 		ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
 				      MAX8998_LDO3, LDO_ON);
 		ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
 				      MAX8998_LDO8, LDO_ON);

 	} else {
 		ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
 				      MAX8998_LDO8, LDO_OFF);
 		ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
 				      MAX8998_LDO3, LDO_OFF);
 		ret |= pmic_set_output(p,
 				       MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
 				       MAX8998_SAFEOUT1, LDO_OFF);
 	}

 	if (ret) {
 		puts("MAX8998 LDO setting error!\n");
 		return -1;
 	}

 	return 0;
 }

 struct s3c_plat_otg_data s5pc210_otg_data = {
 	.phy_control = s5pc210_phy_control,
 	.regs_phy = EXYNOS4_USBPHY_BASE,
 	.regs_otg = EXYNOS4_USBOTG_BASE,
 	.usb_phy_ctrl = EXYNOS4_USBPHY_CONTROL,
 	.usb_flags = PHY0_SLEEP,
 };
 #endif

 int board_early_init_f(void)
 {
 	wdt_stop();

 	return 0;
 }

 #ifdef CONFIG_SOFT_SPI
 static void soft_spi_init(void)
 {
 	gpio_direction_output(CONFIG_SOFT_SPI_GPIO_SCLK,
 		CONFIG_SOFT_SPI_MODE & SPI_CPOL);
 	gpio_direction_output(CONFIG_SOFT_SPI_GPIO_MOSI, 1);
 	gpio_direction_input(CONFIG_SOFT_SPI_GPIO_MISO);
 	gpio_direction_output(CONFIG_SOFT_SPI_GPIO_CS,
 		!(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
 }

 void spi_cs_activate(struct spi_slave *slave)
 {
 	gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
 		!(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
 	SPI_SCL(1);
 	gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
 		CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH);
 }

 void spi_cs_deactivate(struct spi_slave *slave)
 {
 	gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
 		!(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
 }

 int  spi_cs_is_valid(unsigned int bus, unsigned int cs)
 {
 	return bus == 0 && cs == 0;
 }

 void universal_spi_scl(int bit)
 {
 	gpio_set_value(CONFIG_SOFT_SPI_GPIO_SCLK, bit);
 }

 void universal_spi_sda(int bit)
 {
 	gpio_set_value(CONFIG_SOFT_SPI_GPIO_MOSI, bit);
 }

 int universal_spi_read(void)
 {
 	return gpio_get_value(CONFIG_SOFT_SPI_GPIO_MISO);
 }
 #endif

 static void init_pmic_lcd(void)
 {
 	unsigned char val;
 	int ret = 0;

 	struct pmic *p = pmic_get("MAX8998_PMIC");

 	if (!p)
 		return;

 	if (pmic_probe(p))
 		return;

 	/* LDO7 1.8V */
 	val = 0x02; /* (1800 - 1600) / 100; */
 	ret |= pmic_reg_write(p,  MAX8998_REG_LDO7, val);

 	/* LDO17 3.0V */
 	val = 0xe; /* (3000 - 1600) / 100; */
 	ret |= pmic_reg_write(p,  MAX8998_REG_LDO17, val);

 	/* Disable unneeded regulators */
 	/*
 	 * ONOFF1
 	 * Buck1 ON, Buck2 OFF, Buck3 ON, Buck4 ON
 	 * LDO2 ON, LDO3 OFF, LDO4 OFF, LDO5 ON
 	 */
 	val = 0xB9;
 	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF1, val);

 	/* ONOFF2
 	 * LDO6 OFF, LDO7 ON, LDO8 OFF, LDO9 ON,
 	 * LDO10 OFF, LDO11 OFF, LDO12 OFF, LDO13 OFF
 	 */
 	val = 0x50;
 	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF2, val);

 	/* ONOFF3
 	 * LDO14 OFF, LDO15 OFF, LGO16 OFF, LDO17 OFF
 	 * EPWRHOLD OFF, EBATTMON OFF, ELBCNFG2 OFF, ELBCNFG1 OFF
 	 */
 	val = 0x00;
 	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF3, val);

 	if (ret)
 		puts("LCD pmic initialisation error!\n");
 }

 void exynos_cfg_lcd_gpio(void)
 {
 	unsigned int i, f3_end = 4;

 	for (i = 0; i < 8; i++) {
 		/* set GPF0,1,2[0:7] for RGB Interface and Data lines (32bit) */
 		s5p_gpio_cfg_pin(&gpio1->f0, i, GPIO_FUNC(2));
 		s5p_gpio_cfg_pin(&gpio1->f1, i, GPIO_FUNC(2));
 		s5p_gpio_cfg_pin(&gpio1->f2, i, GPIO_FUNC(2));
 		/* pull-up/down disable */
 		s5p_gpio_set_pull(&gpio1->f0, i, GPIO_PULL_NONE);
 		s5p_gpio_set_pull(&gpio1->f1, i, GPIO_PULL_NONE);
 		s5p_gpio_set_pull(&gpio1->f2, i, GPIO_PULL_NONE);

 		/* drive strength to max (24bit) */
 		s5p_gpio_set_drv(&gpio1->f0, i, GPIO_DRV_4X);
 		s5p_gpio_set_rate(&gpio1->f0, i, GPIO_DRV_SLOW);
 		s5p_gpio_set_drv(&gpio1->f1, i, GPIO_DRV_4X);
 		s5p_gpio_set_rate(&gpio1->f1, i, GPIO_DRV_SLOW);
 		s5p_gpio_set_drv(&gpio1->f2, i, GPIO_DRV_4X);
 		s5p_gpio_set_rate(&gpio1->f0, i, GPIO_DRV_SLOW);
 	}

 	for (i = 0; i < f3_end; i++) {
 		/* set GPF3[0:3] for RGB Interface and Data lines (32bit) */
 		s5p_gpio_cfg_pin(&gpio1->f3, i, GPIO_FUNC(2));
 		/* pull-up/down disable */
 		s5p_gpio_set_pull(&gpio1->f3, i, GPIO_PULL_NONE);
 		/* drive strength to max (24bit) */
 		s5p_gpio_set_drv(&gpio1->f3, i, GPIO_DRV_4X);
 		s5p_gpio_set_rate(&gpio1->f3, i, GPIO_DRV_SLOW);
 	}

 	/* gpio pad configuration for LCD reset. */
 	s5p_gpio_cfg_pin(&gpio2->y4, 5, GPIO_OUTPUT);

 	spi_init();
 }

 void exynos_reset_lcd(void)
 {
 	s5p_gpio_set_value(&gpio2->y4, 5, 1);
 	udelay(10000);
 	s5p_gpio_set_value(&gpio2->y4, 5, 0);
 	udelay(10000);
 	s5p_gpio_set_value(&gpio2->y4, 5, 1);
 	udelay(100);
 }

 void exynos_lcd_power_on(void)
 {
 	struct pmic *p = pmic_get("MAX8998_PMIC");

 	if (!p)
 		return;

 	if (pmic_probe(p))
 		return;

 	pmic_set_output(p, MAX8998_REG_ONOFF3, MAX8998_LDO17, LDO_ON);
 	pmic_set_output(p, MAX8998_REG_ONOFF2, MAX8998_LDO7, LDO_ON);
 }

 vidinfo_t panel_info = {
 	.vl_freq	= 60,
 	.vl_col		= 480,
 	.vl_row		= 800,
 	.vl_width	= 480,
 	.vl_height	= 800,
 	.vl_clkp	= CONFIG_SYS_HIGH,
 	.vl_hsp		= CONFIG_SYS_HIGH,
 	.vl_vsp		= CONFIG_SYS_HIGH,
 	.vl_dp		= CONFIG_SYS_HIGH,

 	.vl_bpix	= 5,	/* Bits per pixel */

 	/* LD9040 LCD Panel */
 	.vl_hspw	= 2,
 	.vl_hbpd	= 16,
 	.vl_hfpd	= 16,

 	.vl_vspw	= 2,
 	.vl_vbpd	= 8,
 	.vl_vfpd	= 8,
 	.vl_cmd_allow_len = 0xf,

 	.win_id		= 0,
 	.dual_lcd_enabled = 0,

 	.init_delay	= 0,
 	.power_on_delay = 10000,
 	.reset_delay	= 10000,
 	.interface_mode = FIMD_RGB_INTERFACE,
 	.mipi_enabled	= 0,
 };

 void exynos_cfg_ldo(void)
 {
 	ld9040_cfg_ldo();
 }

 void exynos_enable_ldo(unsigned int onoff)
 {
 	ld9040_enable_ldo(onoff);
 }

 void init_panel_info(vidinfo_t *vid)
 {
 	vid->logo_on	= 1;
 	vid->resolution	= HD_RESOLUTION;
 	vid->rgb_mode	= MODE_RGB_P;

 #ifdef CONFIG_TIZEN
 	get_tizen_logo_info(vid);
 #endif

 	/* for LD9040. */
 	vid->pclk_name = 1;	/* MPLL */
 	vid->sclk_div = 1;

 	setenv("lcdinfo", "lcd=ld9040");
 }

 int board_init(void)
 {
 	gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE;
 	gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE;

 	gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210;
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

 #ifdef CONFIG_SOFT_SPI
 	soft_spi_init();
 #endif
 	check_hw_revision();
 	printf("HW Revision:\t0x%x\n", board_rev);

 	return 0;
 }

 #ifdef CONFIG_MISC_INIT_R
 int misc_init_r(void)
 {
 #ifdef CONFIG_CMD_BMP
 	if (panel_info.logo_on)
 		draw_logo();
 #endif
 	return 0;
 }
 #endif
	/*
	* Copyright (C) 2010 Samsung Electronics
	* Minkyu Kang <mk7.kang@samsung.com>
	* Kyungmin Park <kyungmin.park@samsung.com>
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#include <common.h>
	#include <spi.h>
	#include <lcd.h>
	#include <asm/io.h>
	#include <asm/gpio.h>
	#include <asm/arch/adc.h>
	#include <asm/arch/gpio.h>
	#include <asm/arch/mmc.h>
	#include <asm/arch/pinmux.h>
	#include <asm/arch/watchdog.h>
	#include <libtizen.h>
	#include <ld9040.h>
	#include <power/pmic.h>
	#include <usb/s3c_udc.h>
	#include <asm/arch/cpu.h>
	#include <power/max8998_pmic.h>

	DECLARE_GLOBAL_DATA_PTR;

	struct exynos4_gpio_part1 *gpio1;
	struct exynos4_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 init_pmic_lcd(void);

	int power_init_board(void)
	{
	int ret;

	/*
	* For PMIC the I2C bus is named as I2C5, but it is connected
	* to logical I2C adapter 0
	*/
	ret = pmic_init(I2C_0);
	if (ret)
	return ret;

	init_pmic_lcd();

	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 int adc_power_control(int on)
	{
	int ret;
	struct pmic *p = pmic_get("MAX8998_PMIC");
	if (!p)
	return -ENODEV;

	if (pmic_probe(p))
	return -1;

	ret = pmic_set_output(p,
	MAX8998_REG_ONOFF1,
	MAX8998_LDO4, !!on);

	return ret;
	}

	static unsigned int get_hw_revision(void)
	{
	int hwrev, mode0, mode1;

	adc_power_control(1);

	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);

	adc_power_control(0);

	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 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] */
	s5p_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] */
	s5p_gpio_direction_output(&gpio1->e1, 3, 1);
	break;
	}

	/*
	* MMC device init
	* mmc0 : eMMC (8-bit buswidth)
	* mmc2 : SD card (4-bit buswidth)
	*/
	err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
	if (err)
	debug("SDMMC0 not configured\n");
	else
	err = s5p_mmc_init(0, 8);

	/* T-flash detect */
	s5p_gpio_cfg_pin(&gpio2->x3, 4, 0xf);
	s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP);

	/*
	* Check the T-flash detect pin
	* GPX3[4] T-flash detect pin
	*/
	if (!s5p_gpio_get_value(&gpio2->x3, 4)) {
	err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
	if (err)
	debug("SDMMC2 not configured\n");
	else
	err = s5p_mmc_init(2, 4);
	}

	return err;

	}
	#endif

	#ifdef CONFIG_USB_GADGET
	static int s5pc210_phy_control(int on)
	{
	int ret = 0;
	struct pmic *p = pmic_get("MAX8998_PMIC");
	if (!p)
	return -ENODEV;

	if (pmic_probe(p))
	return -1;

	if (on) {
	ret \|= pmic_set_output(p,
	MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
	MAX8998_SAFEOUT1, LDO_ON);
	ret \|= pmic_set_output(p, MAX8998_REG_ONOFF1,
	MAX8998_LDO3, LDO_ON);
	ret \|= pmic_set_output(p, MAX8998_REG_ONOFF2,
	MAX8998_LDO8, LDO_ON);

	} else {
	ret \|= pmic_set_output(p, MAX8998_REG_ONOFF2,
	MAX8998_LDO8, LDO_OFF);
	ret \|= pmic_set_output(p, MAX8998_REG_ONOFF1,
	MAX8998_LDO3, LDO_OFF);
	ret \|= pmic_set_output(p,
	MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
	MAX8998_SAFEOUT1, LDO_OFF);
	}

	if (ret) {
	puts("MAX8998 LDO setting error!\n");
	return -1;
	}

	return 0;
	}

	struct s3c_plat_otg_data s5pc210_otg_data = {
	.phy_control = s5pc210_phy_control,
	.regs_phy = EXYNOS4_USBPHY_BASE,
	.regs_otg = EXYNOS4_USBOTG_BASE,
	.usb_phy_ctrl = EXYNOS4_USBPHY_CONTROL,
	.usb_flags = PHY0_SLEEP,
	};
	#endif

	int board_early_init_f(void)
	{
	wdt_stop();

	return 0;
	}

	#ifdef CONFIG_SOFT_SPI
	static void soft_spi_init(void)
	{
	gpio_direction_output(CONFIG_SOFT_SPI_GPIO_SCLK,
	CONFIG_SOFT_SPI_MODE & SPI_CPOL);
	gpio_direction_output(CONFIG_SOFT_SPI_GPIO_MOSI, 1);
	gpio_direction_input(CONFIG_SOFT_SPI_GPIO_MISO);
	gpio_direction_output(CONFIG_SOFT_SPI_GPIO_CS,
	!(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
	}

	void spi_cs_activate(struct spi_slave *slave)
	{
	gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
	!(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
	SPI_SCL(1);
	gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
	CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH);
	}

	void spi_cs_deactivate(struct spi_slave *slave)
	{
	gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
	!(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
	}

	int spi_cs_is_valid(unsigned int bus, unsigned int cs)
	{
	return bus == 0 && cs == 0;
	}

	void universal_spi_scl(int bit)
	{
	gpio_set_value(CONFIG_SOFT_SPI_GPIO_SCLK, bit);
	}

	void universal_spi_sda(int bit)
	{
	gpio_set_value(CONFIG_SOFT_SPI_GPIO_MOSI, bit);
	}

	int universal_spi_read(void)
	{
	return gpio_get_value(CONFIG_SOFT_SPI_GPIO_MISO);
	}
	#endif

	static void init_pmic_lcd(void)
	{
	unsigned char val;
	int ret = 0;

	struct pmic *p = pmic_get("MAX8998_PMIC");

	if (!p)
	return;

	if (pmic_probe(p))
	return;

	/* LDO7 1.8V */
	val = 0x02; /* (1800 - 1600) / 100; */
	ret \|= pmic_reg_write(p, MAX8998_REG_LDO7, val);

	/* LDO17 3.0V */
	val = 0xe; /* (3000 - 1600) / 100; */
	ret \|= pmic_reg_write(p, MAX8998_REG_LDO17, val);

	/* Disable unneeded regulators */
	/*
	* ONOFF1
	* Buck1 ON, Buck2 OFF, Buck3 ON, Buck4 ON
	* LDO2 ON, LDO3 OFF, LDO4 OFF, LDO5 ON
	*/
	val = 0xB9;
	ret \|= pmic_reg_write(p, MAX8998_REG_ONOFF1, val);

	/* ONOFF2
	* LDO6 OFF, LDO7 ON, LDO8 OFF, LDO9 ON,
	* LDO10 OFF, LDO11 OFF, LDO12 OFF, LDO13 OFF
	*/
	val = 0x50;
	ret \|= pmic_reg_write(p, MAX8998_REG_ONOFF2, val);

	/* ONOFF3
	* LDO14 OFF, LDO15 OFF, LGO16 OFF, LDO17 OFF
	* EPWRHOLD OFF, EBATTMON OFF, ELBCNFG2 OFF, ELBCNFG1 OFF
	*/
	val = 0x00;
	ret \|= pmic_reg_write(p, MAX8998_REG_ONOFF3, val);

	if (ret)
	puts("LCD pmic initialisation error!\n");
	}

	void exynos_cfg_lcd_gpio(void)
	{
	unsigned int i, f3_end = 4;

	for (i = 0; i < 8; i++) {
	/* set GPF0,1,2[0:7] for RGB Interface and Data lines (32bit) */
	s5p_gpio_cfg_pin(&gpio1->f0, i, GPIO_FUNC(2));
	s5p_gpio_cfg_pin(&gpio1->f1, i, GPIO_FUNC(2));
	s5p_gpio_cfg_pin(&gpio1->f2, i, GPIO_FUNC(2));
	/* pull-up/down disable */
	s5p_gpio_set_pull(&gpio1->f0, i, GPIO_PULL_NONE);
	s5p_gpio_set_pull(&gpio1->f1, i, GPIO_PULL_NONE);
	s5p_gpio_set_pull(&gpio1->f2, i, GPIO_PULL_NONE);

	/* drive strength to max (24bit) */
	s5p_gpio_set_drv(&gpio1->f0, i, GPIO_DRV_4X);
	s5p_gpio_set_rate(&gpio1->f0, i, GPIO_DRV_SLOW);
	s5p_gpio_set_drv(&gpio1->f1, i, GPIO_DRV_4X);
	s5p_gpio_set_rate(&gpio1->f1, i, GPIO_DRV_SLOW);
	s5p_gpio_set_drv(&gpio1->f2, i, GPIO_DRV_4X);
	s5p_gpio_set_rate(&gpio1->f0, i, GPIO_DRV_SLOW);
	}

	for (i = 0; i < f3_end; i++) {
	/* set GPF3[0:3] for RGB Interface and Data lines (32bit) */
	s5p_gpio_cfg_pin(&gpio1->f3, i, GPIO_FUNC(2));
	/* pull-up/down disable */
	s5p_gpio_set_pull(&gpio1->f3, i, GPIO_PULL_NONE);
	/* drive strength to max (24bit) */
	s5p_gpio_set_drv(&gpio1->f3, i, GPIO_DRV_4X);
	s5p_gpio_set_rate(&gpio1->f3, i, GPIO_DRV_SLOW);
	}

	/* gpio pad configuration for LCD reset. */
	s5p_gpio_cfg_pin(&gpio2->y4, 5, GPIO_OUTPUT);

	spi_init();
	}

	void exynos_reset_lcd(void)
	{
	s5p_gpio_set_value(&gpio2->y4, 5, 1);
	udelay(10000);
	s5p_gpio_set_value(&gpio2->y4, 5, 0);
	udelay(10000);
	s5p_gpio_set_value(&gpio2->y4, 5, 1);
	udelay(100);
	}

	void exynos_lcd_power_on(void)
	{
	struct pmic *p = pmic_get("MAX8998_PMIC");

	if (!p)
	return;

	if (pmic_probe(p))
	return;

	pmic_set_output(p, MAX8998_REG_ONOFF3, MAX8998_LDO17, LDO_ON);
	pmic_set_output(p, MAX8998_REG_ONOFF2, MAX8998_LDO7, LDO_ON);
	}

	vidinfo_t panel_info = {
	.vl_freq = 60,
	.vl_col = 480,
	.vl_row = 800,
	.vl_width = 480,
	.vl_height = 800,
	.vl_clkp = CONFIG_SYS_HIGH,
	.vl_hsp = CONFIG_SYS_HIGH,
	.vl_vsp = CONFIG_SYS_HIGH,
	.vl_dp = CONFIG_SYS_HIGH,

	.vl_bpix = 5, /* Bits per pixel */

	/* LD9040 LCD Panel */
	.vl_hspw = 2,
	.vl_hbpd = 16,
	.vl_hfpd = 16,

	.vl_vspw = 2,
	.vl_vbpd = 8,
	.vl_vfpd = 8,
	.vl_cmd_allow_len = 0xf,

	.win_id = 0,
	.dual_lcd_enabled = 0,

	.init_delay = 0,
	.power_on_delay = 10000,
	.reset_delay = 10000,
	.interface_mode = FIMD_RGB_INTERFACE,
	.mipi_enabled = 0,
	};

	void exynos_cfg_ldo(void)
	{
	ld9040_cfg_ldo();
	}

	void exynos_enable_ldo(unsigned int onoff)
	{
	ld9040_enable_ldo(onoff);
	}

	void init_panel_info(vidinfo_t *vid)
	{
	vid->logo_on = 1;
	vid->resolution = HD_RESOLUTION;
	vid->rgb_mode = MODE_RGB_P;

	#ifdef CONFIG_TIZEN
	get_tizen_logo_info(vid);
	#endif

	/* for LD9040. */
	vid->pclk_name = 1; /* MPLL */
	vid->sclk_div = 1;

	setenv("lcdinfo", "lcd=ld9040");
	}

	int board_init(void)
	{
	gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE;
	gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE;

	gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210;
	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

	#ifdef CONFIG_SOFT_SPI
	soft_spi_init();
	#endif
	check_hw_revision();
	printf("HW Revision:\t0x%x\n", board_rev);

	return 0;
	}

	#ifdef CONFIG_MISC_INIT_R
	int misc_init_r(void)
	{
	#ifdef CONFIG_CMD_BMP
	if (panel_info.logo_on)
	draw_logo();
	#endif
	return 0;
	}
	#endif