[mirror_ubuntu-jammy-kernel.git] / arch / arm / mach-s3c6410 / mach-smdk6410.c

/* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
 *
 * Copyright 2008 Openmoko, Inc.
 * Copyright 2008 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *	http://armlinux.simtec.co.uk/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/delay.h>

#include <video/platform_lcd.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/hardware.h>
#include <mach/regs-fb.h>
#include <mach/map.h>

#include <asm/irq.h>
#include <asm/mach-types.h>

#include <plat/regs-serial.h>
#include <plat/iic.h>
#include <plat/fb.h>

#include <plat/s3c6410.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>

#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
};

/* framebuffer and LCD setup. */

/* GPF15 = LCD backlight control
 * GPF13 => Panel power
 * GPN5 = LCD nRESET signal
 * PWM_TOUT1 => backlight brightness
 */

static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
				   unsigned int power)
{
	if (power) {
		gpio_direction_output(S3C64XX_GPF(13), 1);
		gpio_direction_output(S3C64XX_GPF(15), 1);

		/* fire nRESET on power up */
		gpio_direction_output(S3C64XX_GPN(5), 0);
		msleep(10);
		gpio_direction_output(S3C64XX_GPN(5), 1);
		msleep(1);
	} else {
		gpio_direction_output(S3C64XX_GPF(15), 0);
		gpio_direction_output(S3C64XX_GPF(13), 0);
	}
}

static struct plat_lcd_data smdk6410_lcd_power_data = {
	.set_power	= smdk6410_lcd_power_set,
};

static struct platform_device smdk6410_lcd_powerdev = {
	.name			= "platform-lcd",
	.dev.parent		= &s3c_device_fb.dev,
	.dev.platform_data	= &smdk6410_lcd_power_data,
};

static struct s3c_fb_pd_win smdk6410_fb_win0 = {
	/* this is to ensure we use win0 */
	.win_mode	= {
		.pixclock	= 41094,
		.left_margin	= 8,
		.right_margin	= 13,
		.upper_margin	= 7,
		.lower_margin	= 5,
		.hsync_len	= 3,
		.vsync_len	= 1,
		.xres		= 800,
		.yres		= 480,
	},
	.max_bpp	= 32,
	.default_bpp	= 16,
};

/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
	.setup_gpio	= s3c64xx_fb_gpio_setup_24bpp,
	.win[0]		= &smdk6410_fb_win0,
	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};

static struct map_desc smdk6410_iodesc[] = {};

static struct platform_device *smdk6410_devices[] __initdata = {
#ifdef CONFIG_SMDK6410_SD_CH0
	&s3c_device_hsmmc0,
#endif
#ifdef CONFIG_SMDK6410_SD_CH1
	&s3c_device_hsmmc1,
#endif
	&s3c_device_i2c0,
	&s3c_device_i2c1,
	&s3c_device_fb,
	&smdk6410_lcd_powerdev,
};

static struct i2c_board_info i2c_devs0[] __initdata = {
	{ I2C_BOARD_INFO("24c08", 0x50), },
	{ I2C_BOARD_INFO("wm8580", 0x1b), },
};

static struct i2c_board_info i2c_devs1[] __initdata = {
	{ I2C_BOARD_INFO("24c128", 0x57), },	/* Samsung S524AD0XD1 */
};

static void __init smdk6410_map_io(void)
{
	s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
	s3c24xx_init_clocks(12000000);
	s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
}

static void __init smdk6410_machine_init(void)
{
	s3c_i2c0_set_platdata(NULL);
	s3c_i2c1_set_platdata(NULL);
	s3c_fb_set_platdata(&smdk6410_lcd_pdata);

	i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
	i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));

	platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
}

MACHINE_START(SMDK6410, "SMDK6410")
	/* Maintainer: Ben Dooks <ben@fluff.org> */
	.phys_io	= S3C_PA_UART & 0xfff00000,
	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S3C64XX_PA_SDRAM + 0x100,

	.init_irq	= s3c6410_init_irq,
	.map_io		= smdk6410_map_io,
	.init_machine	= smdk6410_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END
Commit	Line	Data
5718df9d BD	1	/* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
	2	*
	3	* Copyright 2008 Openmoko, Inc.
	4	* Copyright 2008 Simtec Electronics
	5	* Ben Dooks <ben@simtec.co.uk>
	6	* http://armlinux.simtec.co.uk/
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*
	12	*/
	13
	14	#include <linux/kernel.h>
	15	#include <linux/types.h>
	16	#include <linux/interrupt.h>
	17	#include <linux/list.h>
	18	#include <linux/timer.h>
	19	#include <linux/init.h>
	20	#include <linux/serial_core.h>
	21	#include <linux/platform_device.h>
	22	#include <linux/io.h>
096941ed	23	#include <linux/i2c.h>
438a5d42 BD	24	#include <linux/fb.h>
	25	#include <linux/gpio.h>
	26	#include <linux/delay.h>
	27
	28	#include <video/platform_lcd.h>
5718df9d BD	29
	30	#include <asm/mach/arch.h>
	31	#include <asm/mach/map.h>
	32	#include <asm/mach/irq.h>
	33
	34	#include <mach/hardware.h>
438a5d42	35	#include <mach/regs-fb.h>
5718df9d BD	36	#include <mach/map.h>
	37
	38	#include <asm/irq.h>
	39	#include <asm/mach-types.h>
	40
	41	#include <plat/regs-serial.h>
d85fa24c	42	#include <plat/iic.h>
438a5d42	43	#include <plat/fb.h>
5718df9d BD	44
	45	#include <plat/s3c6410.h>
	46	#include <plat/clock.h>
	47	#include <plat/devs.h>
	48	#include <plat/cpu.h>
	49
	50	#define UCON S3C2410_UCON_DEFAULT \| S3C2410_UCON_UCLK
	51	#define ULCON S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE \| S3C2410_LCON_STOPB
	52	#define UFCON S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE
	53
	54	static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
	55	[0] = {
	56	.hwport = 0,
	57	.flags = 0,
	58	.ucon = 0x3c5,
	59	.ulcon = 0x03,
	60	.ufcon = 0x51,
	61	},
	62	[1] = {
	63	.hwport = 1,
	64	.flags = 0,
	65	.ucon = 0x3c5,
	66	.ulcon = 0x03,
	67	.ufcon = 0x51,
	68	},
	69	};
	70
438a5d42 BD	71	/* framebuffer and LCD setup. */
	72
	73	/* GPF15 = LCD backlight control
	74	* GPF13 => Panel power
	75	* GPN5 = LCD nRESET signal
	76	* PWM_TOUT1 => backlight brightness
	77	*/
	78
	79	static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
	80	unsigned int power)
	81	{
	82	if (power) {
	83	gpio_direction_output(S3C64XX_GPF(13), 1);
	84	gpio_direction_output(S3C64XX_GPF(15), 1);
	85
	86	/* fire nRESET on power up */
	87	gpio_direction_output(S3C64XX_GPN(5), 0);
	88	msleep(10);
	89	gpio_direction_output(S3C64XX_GPN(5), 1);
	90	msleep(1);
	91	} else {
	92	gpio_direction_output(S3C64XX_GPF(15), 0);
	93	gpio_direction_output(S3C64XX_GPF(13), 0);
	94	}
	95	}
	96
	97	static struct plat_lcd_data smdk6410_lcd_power_data = {
	98	.set_power = smdk6410_lcd_power_set,
	99	};
	100
	101	static struct platform_device smdk6410_lcd_powerdev = {
	102	.name = "platform-lcd",
	103	.dev.parent = &s3c_device_fb.dev,
	104	.dev.platform_data = &smdk6410_lcd_power_data,
	105	};
	106
	107	static struct s3c_fb_pd_win smdk6410_fb_win0 = {
	108	/* this is to ensure we use win0 */
	109	.win_mode = {
	110	.pixclock = 41094,
	111	.left_margin = 8,
	112	.right_margin = 13,
	113	.upper_margin = 7,
	114	.lower_margin = 5,
	115	.hsync_len = 3,
	116	.vsync_len = 1,
	117	.xres = 800,
	118	.yres = 480,
	119	},
	120	.max_bpp = 32,
	121	.default_bpp = 16,
	122	};
	123
	124	/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
	125	static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
	126	.setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
	127	.win[0] = &smdk6410_fb_win0,
	128	.vidcon0 = VIDCON0_VIDOUT_RGB \| VIDCON0_PNRMODE_RGB,
	129	.vidcon1 = VIDCON1_INV_HSYNC \| VIDCON1_INV_VSYNC,
	130	};
	131
027191a8	132	static struct map_desc smdk6410_iodesc[] = {};
5718df9d BD	133
5718df9d BD	134	static struct platform_device *smdk6410_devices[] __initdata = {
b24636cf	135	#ifdef CONFIG_SMDK6410_SD_CH0
39057f23	136	&s3c_device_hsmmc0,
b24636cf BD	137	#endif
	138	#ifdef CONFIG_SMDK6410_SD_CH1
	139	&s3c_device_hsmmc1,
	140	#endif
d85fa24c	141	&s3c_device_i2c0,
d7ea3743	142	&s3c_device_i2c1,
438a5d42 BD	143	&s3c_device_fb,
438a5d42 BD	144	&smdk6410_lcd_powerdev,
5718df9d BD	145	};
5718df9d BD	146
096941ed BD	147	static struct i2c_board_info i2c_devs0[] __initdata = {
096941ed BD	148	{ I2C_BOARD_INFO("24c08", 0x50), },
77897479	149	{ I2C_BOARD_INFO("wm8580", 0x1b), },
096941ed BD	150	};
	151
	152	static struct i2c_board_info i2c_devs1[] __initdata = {
	153	{ I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
5718df9d BD	154	};
5718df9d BD	155
5718df9d BD	156	static void __init smdk6410_map_io(void)
	157	{
	158	s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
	159	s3c24xx_init_clocks(12000000);
	160	s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
	161	}
	162
	163	static void __init smdk6410_machine_init(void)
	164	{
d85fa24c	165	s3c_i2c0_set_platdata(NULL);
d7ea3743	166	s3c_i2c1_set_platdata(NULL);
438a5d42	167	s3c_fb_set_platdata(&smdk6410_lcd_pdata);
096941ed BD	168
	169	i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
	170	i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
	171
5718df9d BD	172	platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
	173	}
	174
	175	MACHINE_START(SMDK6410, "SMDK6410")
	176	/* Maintainer: Ben Dooks <ben@fluff.org> */
	177	.phys_io = S3C_PA_UART & 0xfff00000,
	178	.io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
	179	.boot_params = S3C64XX_PA_SDRAM + 0x100,
	180
	181	.init_irq = s3c6410_init_irq,
	182	.map_io = smdk6410_map_io,
	183	.init_machine = smdk6410_machine_init,
	184	.timer = &s3c24xx_timer,
	185	MACHINE_END