Exynos: Support for display drivers

index ca21f88..0e559f9 100644
@@ -76,7 +76,9 @@ enum {
 
 #define MAX8998_LDO3		(1 << 2)
 #define MAX8998_LDO4		(1 << 1)
+#define MAX8998_LDO7		(1 << 6)
 #define MAX8998_LDO8		(1 << 5)
+#define MAX8998_LDO17		(1 << 4)
 #define MAX8998_SAFEOUT1	(1 << 4)
 
 #define MAX8998_I2C_ADDR        (0xCC >> 1)

index ca21f88..0e559f9 100644
@@ -76,7 +76,9 @@ enum {
 
 #define MAX8998_LDO3		(1 << 2)
 #define MAX8998_LDO4		(1 << 1)
+#define MAX8998_LDO7		(1 << 6)
 #define MAX8998_LDO8		(1 << 5)
+#define MAX8998_LDO17		(1 << 4)
 #define MAX8998_SAFEOUT1	(1 << 4)
 
 #define MAX8998_I2C_ADDR        (0xCC >> 1)

147 lines not on this page · raw message

new file mode 100644
index 0000000..fe99390
@@ -0,0 +1,32 @@
+/*
+ * ld9040 AMOLED LCD panel driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <[email protected]>
+ *
+ * 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
+ */
+
+#ifndef __LD9040_H_
+#define __LD9040_H_
+
+void ld9040_cfg_ldo(void);
+void ld9040_enable_ldo(unsigned int onoff);
+
+#endif /* __LD9040_H_ */

index ca21f88..0e559f9 100644
@@ -76,7 +76,9 @@ enum {
 
 #define MAX8998_LDO3		(1 << 2)
 #define MAX8998_LDO4		(1 << 1)
+#define MAX8998_LDO7		(1 << 6)
 #define MAX8998_LDO8		(1 << 5)
+#define MAX8998_LDO17		(1 << 4)
 #define MAX8998_SAFEOUT1	(1 << 4)
 
 #define MAX8998_I2C_ADDR        (0xCC >> 1)

index ded97ca..4c1163e 100644
@@ -23,7 +23,9 @@
  */
 
 #include <common.h>
+#include <spi.h>
 #include <asm/io.h>
+#include <asm/gpio.h>
 #include <asm/arch/adc.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>

@@ -52,24 +54,6 @@ static int get_hwrev(void)
 
 static void check_hw_revision(void);
 
-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;
-
-#if defined(CONFIG_PMIC)
-	pmic_init();
-#endif
-
-	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) +

@@ -284,3 +268,70 @@ int board_early_init_f(void)
 
 	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
+
+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;
+
+#if defined(CONFIG_PMIC)
+	pmic_init();
+#endif
+#ifdef CONFIG_SOFT_SPI
+	soft_spi_init();
+#endif
+	check_hw_revision();
+	printf("HW Revision:\t0x%x\n", board_rev);
+
+	return 0;
+}

index 07849fb..54ee8c4 100644
@@ -263,4 +263,25 @@
 #define CONFIG_USB_GADGET_S3C_UDC_OTG
 #define CONFIG_USB_GADGET_DUALSPEED
 
+/*
+ * SPI Settings
+ */
+#define CONFIG_SOFT_SPI
+#define CONFIG_SOFT_SPI_MODE SPI_MODE_3
+#define CONFIG_SOFT_SPI_GPIO_SCLK exynos4_gpio_part2_get_nr(y3, 1)
+#define CONFIG_SOFT_SPI_GPIO_MOSI exynos4_gpio_part2_get_nr(y3, 3)
+#define CONFIG_SOFT_SPI_GPIO_MISO exynos4_gpio_part2_get_nr(y3, 0)
+#define CONFIG_SOFT_SPI_GPIO_CS exynos4_gpio_part2_get_nr(y4, 3)
+
+#define SPI_DELAY udelay(1)
+#undef SPI_INIT
+#define SPI_SCL(bit) universal_spi_scl(bit)
+#define SPI_SDA(bit) universal_spi_sda(bit)
+#define SPI_READ universal_spi_read()
+#ifndef	__ASSEMBLY__
+void universal_spi_scl(int bit);
+void universal_spi_sda(int bit);
+int universal_spi_read(void);
+#endif
+
 #endif	/* __CONFIG_H */

index ca21f88..0e559f9 100644
@@ -76,7 +76,9 @@ enum {
 
 #define MAX8998_LDO3		(1 << 2)
 #define MAX8998_LDO4		(1 << 1)
+#define MAX8998_LDO7		(1 << 6)
 #define MAX8998_LDO8		(1 << 5)
+#define MAX8998_LDO17		(1 << 4)
 #define MAX8998_SAFEOUT1	(1 << 4)
 
 #define MAX8998_I2C_ADDR        (0xCC >> 1)

144 lines not on this page · raw message

new file mode 100644
index 0000000..fe99390
@@ -0,0 +1,32 @@
+/*
+ * ld9040 AMOLED LCD panel driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <[email protected]>
+ *
+ * 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
+ */
+
+#ifndef __LD9040_H_
+#define __LD9040_H_
+
+void ld9040_cfg_ldo(void);
+void ld9040_enable_ldo(unsigned int onoff);
+
+#endif /* __LD9040_H_ */

index e31a0fd..d9a3f9a 100644
@@ -70,8 +70,19 @@ static void draw_logo(void)
 	int x, y;
 	ulong addr;
 
-	x = ((panel_width - panel_info.logo_width) >> 1);
-	y = ((panel_height - panel_info.logo_height) >> 1) - 4;
+	if (panel_width >= panel_info.logo_width) {
+		x = ((panel_width - panel_info.logo_width) >> 1);
+	} else {
+		x = 0;
+		printf("Warning: image width is bigger than display width\n");
+	}
+
+	if (panel_height >= panel_info.logo_height) {
+		y = ((panel_height - panel_info.logo_height) >> 1) - 4;
+	} else {
+		y = 0;
+		printf("Warning: image height is bigger than display height\n");
+	}
 
 	addr = panel_info.logo_addr;
 	bmp_display(addr, x, y);

index 4c1163e..afe3bb0 100644
@@ -24,6 +24,7 @@
 
 #include <common.h>
 #include <spi.h>
+#include <lcd.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <asm/arch/adc.h>

@@ -35,6 +36,8 @@
 #include <asm/arch/cpu.h>
 #include <max8998_pmic.h>
 #include <asm/arch/watchdog.h>
+#include <libtizen.h>
+#include <ld9040.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

@@ -316,6 +319,168 @@ int universal_spi_read(void)
 }
 #endif
 
+static void init_pmic_lcd(void)
+{
+	unsigned char val;
+	int ret = 0;
+
+	struct pmic *p = get_pmic();
+
+	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");
+}
+
+static void lcd_cfg_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();
+}
+
+static void 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);
+}
+
+static void lcd_power_on(void)
+{
+	struct pmic *p = get_pmic();
+
+	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,
+	.cfg_gpio	= lcd_cfg_gpio,
+	.backlight_on	= NULL,
+	.lcd_power_on	= lcd_power_on,
+	.reset_lcd	= reset_lcd,
+	.dual_lcd_enabled = 0,
+
+	.init_delay	= 0,
+	.power_on_delay = 10000,
+	.reset_delay	= 10000,
+	.interface_mode = FIMD_RGB_INTERFACE,
+	.mipi_enabled	= 0,
+};
+
+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;
+
+	vid->cfg_ldo = ld9040_cfg_ldo;
+	vid->enable_ldo = ld9040_enable_ldo;
+
+	setenv("lcdinfo", "lcd=ld9040");
+}
+
 int board_init(void)
 {
 	gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE;

@@ -326,6 +491,7 @@ int board_init(void)
 
 #if defined(CONFIG_PMIC)
 	pmic_init();
+	init_pmic_lcd();
 #endif
 #ifdef CONFIG_SOFT_SPI
 	soft_spi_init();

index 54ee8c4..035c27f 100644
@@ -34,6 +34,7 @@
 #define CONFIG_S5P		1	/* which is in a S5P Family */
 #define CONFIG_EXYNOS4210	1	/* which is in a EXYNOS4210 */
 #define CONFIG_UNIVERSAL	1	/* working with Universal */
+#define CONFIG_TIZEN		1	/* TIZEN lib */
 
 #include <asm/arch/cpu.h>		/* get chip and board defs */
 

@@ -284,4 +285,16 @@ void universal_spi_sda(int bit);
 int universal_spi_read(void);
 #endif
 
+/*
+ * LCD Settings
+ */
+#define CONFIG_EXYNOS_FB
+#define CONFIG_LCD
+#define CONFIG_CMD_BMP
+#define CONFIG_BMP_32BPP
+#define CONFIG_LD9040
+#define CONFIG_EXYNOS_MIPI_DSIM
+#define CONFIG_VIDEO_BMP_GZIP
+#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((520 * 120 * 4) + (1 << 12))
+
 #endif	/* __CONFIG_H */

144 lines not on this page · raw message

new file mode 100644
index 0000000..fe99390
@@ -0,0 +1,32 @@
+/*
+ * ld9040 AMOLED LCD panel driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <[email protected]>
+ *
+ * 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
+ */
+
+#ifndef __LD9040_H_
+#define __LD9040_H_
+
+void ld9040_cfg_ldo(void);
+void ld9040_enable_ldo(unsigned int onoff);
+
+#endif /* __LD9040_H_ */

index e31a0fd..d9a3f9a 100644
@@ -70,8 +70,19 @@ static void draw_logo(void)
 	int x, y;
 	ulong addr;
 
-	x = ((panel_width - panel_info.logo_width) >> 1);
-	y = ((panel_height - panel_info.logo_height) >> 1) - 4;
+	if (panel_width >= panel_info.logo_width) {
+		x = ((panel_width - panel_info.logo_width) >> 1);
+	} else {
+		x = 0;
+		printf("Warning: image width is bigger than display width\n");
+	}
+
+	if (panel_height >= panel_info.logo_height) {
+		y = ((panel_height - panel_info.logo_height) >> 1) - 4;
+	} else {
+		y = 0;
+		printf("Warning: image height is bigger than display height\n");
+	}
 
 	addr = panel_info.logo_addr;
 	bmp_display(addr, x, y);

index 72999d9..f1ff299 100644
@@ -24,6 +24,7 @@
 
 #include <common.h>
 #include <spi.h>
+#include <lcd.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <asm/arch/adc.h>

@@ -35,6 +36,8 @@
 #include <asm/arch/cpu.h>
 #include <max8998_pmic.h>
 #include <asm/arch/watchdog.h>
+#include <libtizen.h>
+#include <ld9040.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

@@ -54,24 +57,6 @@ static int get_hwrev(void)
 
 static void check_hw_revision(void);
 
-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;
-
-#if defined(CONFIG_PMIC)
-	pmic_init();
-#endif
-
-	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) +

@@ -318,3 +303,184 @@ int  spi_cs_is_valid(unsigned int bus, unsigned int cs)
 	return bus == 0 && cs == 0;
 }
 #endif
+
+static void init_pmic_lcd(void)
+{
+	unsigned char val;
+	int ret = 0;
+
+	struct pmic *p = get_pmic();
+
+	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");
+}
+
+static void lcd_cfg_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();
+}
+
+static void 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);
+}
+
+static void lcd_power_on(void)
+{
+	struct pmic *p = get_pmic();
+
+	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,
+	.cfg_gpio	= lcd_cfg_gpio,
+	.backlight_on	= NULL,
+	.lcd_power_on	= lcd_power_on,
+	.reset_lcd	= reset_lcd,
+	.dual_lcd_enabled = 0,
+
+	.init_delay	= 0,
+	.power_on_delay = 10000,
+	.reset_delay	= 10000,
+	.interface_mode = FIMD_RGB_INTERFACE,
+	.mipi_enabled	= 0,
+};
+
+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;
+
+	vid->cfg_ldo = ld9040_cfg_ldo;
+	vid->enable_ldo = ld9040_enable_ldo;
+
+	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;
+
+#if defined(CONFIG_PMIC)
+	pmic_init();
+	init_pmic_lcd();
+#endif
+
+	check_hw_revision();
+	printf("HW Revision:\t0x%x\n", board_rev);
+
+	return 0;
+}

index f7a7443..ca0989c 100644
@@ -34,6 +34,7 @@
 #define CONFIG_S5P		1	/* which is in a S5P Family */
 #define CONFIG_EXYNOS4210	1	/* which is in a EXYNOS4210 */
 #define CONFIG_UNIVERSAL	1	/* working with Universal */
+#define CONFIG_TIZEN		1	/* TIZEN lib */
 
 #include <asm/arch/cpu.h>		/* get chip and board defs */
 

@@ -283,4 +284,16 @@
 void soft_spi_init(void);
 #endif
 
+/*
+ * LCD Settings
+ */
+#define CONFIG_EXYNOS_FB
+#define CONFIG_LCD
+#define CONFIG_CMD_BMP
+#define CONFIG_BMP_32BPP
+#define CONFIG_LD9040
+#define CONFIG_EXYNOS_MIPI_DSIM
+#define CONFIG_VIDEO_BMP_GZIP
+#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((520 * 120 * 4) + (1 << 12))
+
 #endif	/* __CONFIG_H */

index 2cd4ae1..5056b37 100644
@@ -54,6 +54,7 @@
 #define EXYNOS4_PWMTIMER_BASE		0x139D0000
 #define EXYNOS4_MODEM_BASE		0x13A00000
 #define EXYNOS4_USBPHY_CONTROL		0x10020704
+#define EXYNOS4_DISPLAY_CONTROL		0x10010210
 
 #define EXYNOS4_GPIO_PART4_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS4_DP_BASE			DEVICE_NOT_AVAILABLE

index e31a0fd..d9a3f9a 100644
@@ -70,8 +70,19 @@ static void draw_logo(void)
 	int x, y;
 	ulong addr;
 
-	x = ((panel_width - panel_info.logo_width) >> 1);
-	y = ((panel_height - panel_info.logo_height) >> 1) - 4;
+	if (panel_width >= panel_info.logo_width) {
+		x = ((panel_width - panel_info.logo_width) >> 1);
+	} else {
+		x = 0;
+		printf("Warning: image width is bigger than display width\n");
+	}
+
+	if (panel_height >= panel_info.logo_height) {
+		y = ((panel_height - panel_info.logo_height) >> 1) - 4;
+	} else {
+		y = 0;
+		printf("Warning: image height is bigger than display height\n");
+	}
 
 	addr = panel_info.logo_addr;
 	bmp_display(addr, x, y);

index 72999d9..f1ff299 100644
@@ -24,6 +24,7 @@
 
 #include <common.h>
 #include <spi.h>
+#include <lcd.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <asm/arch/adc.h>

@@ -35,6 +36,8 @@
 #include <asm/arch/cpu.h>
 #include <max8998_pmic.h>
 #include <asm/arch/watchdog.h>
+#include <libtizen.h>
+#include <ld9040.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

@@ -54,24 +57,6 @@ static int get_hwrev(void)
 
 static void check_hw_revision(void);
 
-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;
-
-#if defined(CONFIG_PMIC)
-	pmic_init();
-#endif
-
-	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) +

@@ -318,3 +303,184 @@ int  spi_cs_is_valid(unsigned int bus, unsigned int cs)
 	return bus == 0 && cs == 0;
 }
 #endif
+
+static void init_pmic_lcd(void)
+{
+	unsigned char val;
+	int ret = 0;
+
+	struct pmic *p = get_pmic();
+
+	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");
+}
+
+static void lcd_cfg_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();
+}
+
+static void 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);
+}
+
+static void lcd_power_on(void)
+{
+	struct pmic *p = get_pmic();
+
+	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,
+	.cfg_gpio	= lcd_cfg_gpio,
+	.backlight_on	= NULL,
+	.lcd_power_on	= lcd_power_on,
+	.reset_lcd	= reset_lcd,
+	.dual_lcd_enabled = 0,
+
+	.init_delay	= 0,
+	.power_on_delay = 10000,
+	.reset_delay	= 10000,
+	.interface_mode = FIMD_RGB_INTERFACE,
+	.mipi_enabled	= 0,
+};
+
+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;
+
+	vid->cfg_ldo = ld9040_cfg_ldo;
+	vid->enable_ldo = ld9040_enable_ldo;
+
+	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;
+
+#if defined(CONFIG_PMIC)
+	pmic_init();
+	init_pmic_lcd();
+#endif
+
+	check_hw_revision();
+	printf("HW Revision:\t0x%x\n", board_rev);
+
+	return 0;
+}

index f7a7443..ca0989c 100644
@@ -34,6 +34,7 @@
 #define CONFIG_S5P		1	/* which is in a S5P Family */
 #define CONFIG_EXYNOS4210	1	/* which is in a EXYNOS4210 */
 #define CONFIG_UNIVERSAL	1	/* working with Universal */
+#define CONFIG_TIZEN		1	/* TIZEN lib */
 
 #include <asm/arch/cpu.h>		/* get chip and board defs */
 

@@ -283,4 +284,16 @@
 void soft_spi_init(void);
 #endif
 
+/*
+ * LCD Settings
+ */
+#define CONFIG_EXYNOS_FB
+#define CONFIG_LCD
+#define CONFIG_CMD_BMP
+#define CONFIG_BMP_32BPP
+#define CONFIG_LD9040
+#define CONFIG_EXYNOS_MIPI_DSIM
+#define CONFIG_VIDEO_BMP_GZIP
+#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((520 * 120 * 4) + (1 << 12))
+
 #endif	/* __CONFIG_H */

147 lines not on this page · raw message

new file mode 100644
index 0000000..fe99390
@@ -0,0 +1,32 @@
+/*
+ * ld9040 AMOLED LCD panel driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <[email protected]>
+ *
+ * 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
+ */
+
+#ifndef __LD9040_H_
+#define __LD9040_H_
+
+void ld9040_cfg_ldo(void);
+void ld9040_enable_ldo(unsigned int onoff);
+
+#endif /* __LD9040_H_ */

index 2cd4ae1..5056b37 100644
@@ -54,6 +54,7 @@
 #define EXYNOS4_PWMTIMER_BASE		0x139D0000
 #define EXYNOS4_MODEM_BASE		0x13A00000
 #define EXYNOS4_USBPHY_CONTROL		0x10020704
+#define EXYNOS4_DISPLAY_CONTROL		0x10010210
 
 #define EXYNOS4_GPIO_PART4_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS4_DP_BASE			DEVICE_NOT_AVAILABLE

index e31a0fd..d9a3f9a 100644
@@ -70,8 +70,19 @@ static void draw_logo(void)
 	int x, y;
 	ulong addr;
 
-	x = ((panel_width - panel_info.logo_width) >> 1);
-	y = ((panel_height - panel_info.logo_height) >> 1) - 4;
+	if (panel_width >= panel_info.logo_width) {
+		x = ((panel_width - panel_info.logo_width) >> 1);
+	} else {
+		x = 0;
+		printf("Warning: image width is bigger than display width\n");
+	}
+
+	if (panel_height >= panel_info.logo_height) {
+		y = ((panel_height - panel_info.logo_height) >> 1) - 4;
+	} else {
+		y = 0;
+		printf("Warning: image height is bigger than display height\n");
+	}
 
 	addr = panel_info.logo_addr;
 	bmp_display(addr, x, y);

index 4a23b1c..5128bef 100644
@@ -23,6 +23,7 @@
  */
 
 #include <common.h>
+#include <lcd.h>
 #include <asm/io.h>
 #include <spi.h>
 #include <asm/arch/adc.h>

@@ -34,6 +35,8 @@
 #include <asm/arch/cpu.h>
 #include <max8998_pmic.h>
 #include <asm/arch/watchdog.h>
+#include <libtizen.h>
+#include <ld9040.h>
 #if defined(CONFIG_SOFT_SPI)
 # include <asm/gpio.h>
 #endif

@@ -56,24 +59,6 @@ static int get_hwrev(void)
 
 static void check_hw_revision(void);
 
-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;
-
-#if defined(CONFIG_PMIC)
-	pmic_init();
-#endif
-
-	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) +

@@ -323,3 +308,183 @@ int  spi_cs_is_valid(unsigned int bus, unsigned int cs)
 	return bus == 0 && cs == 0;
 }
 
+static void init_pmic_lcd(void)
+{
+	unsigned char val;
+	int ret = 0;
+
+	struct pmic *p = get_pmic();
+
+	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");
+}
+
+static void lcd_cfg_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();
+}
+
+static void 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);
+}
+
+static void lcd_power_on(void)
+{
+	struct pmic *p = get_pmic();
+
+	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,
+	.cfg_gpio	= lcd_cfg_gpio,
+	.backlight_on	= NULL,
+	.lcd_power_on	= lcd_power_on,
+	.reset_lcd	= reset_lcd,
+	.dual_lcd_enabled = 0,
+
+	.init_delay	= 0,
+	.power_on_delay = 10000,
+	.reset_delay	= 10000,
+	.interface_mode = FIMD_RGB_INTERFACE,
+	.mipi_enabled	= 0,
+};
+
+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;
+
+	vid->cfg_ldo = ld9040_cfg_ldo;
+	vid->enable_ldo = ld9040_enable_ldo;
+
+	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;
+
+#if defined(CONFIG_PMIC)
+	pmic_init();
+	init_pmic_lcd();
+#endif
+
+	check_hw_revision();
+	printf("HW Revision:\t0x%x\n", board_rev);
+
+	return 0;
+}

index f7a7443..ca0989c 100644
@@ -34,6 +34,7 @@
 #define CONFIG_S5P		1	/* which is in a S5P Family */
 #define CONFIG_EXYNOS4210	1	/* which is in a EXYNOS4210 */
 #define CONFIG_UNIVERSAL	1	/* working with Universal */
+#define CONFIG_TIZEN		1	/* TIZEN lib */
 
 #include <asm/arch/cpu.h>		/* get chip and board defs */
 

@@ -283,4 +284,16 @@
 void soft_spi_init(void);
 #endif
 
+/*
+ * LCD Settings
+ */
+#define CONFIG_EXYNOS_FB
+#define CONFIG_LCD
+#define CONFIG_CMD_BMP
+#define CONFIG_BMP_32BPP
+#define CONFIG_LD9040
+#define CONFIG_EXYNOS_MIPI_DSIM
+#define CONFIG_VIDEO_BMP_GZIP
+#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((520 * 120 * 4) + (1 << 12))
+
 #endif	/* __CONFIG_H */