linux_dsm_epyc7002/arch/arm/mach-s5pc100/mach-smdkc100.c

/* linux/arch/arm/mach-s5pc100/mach-smdkc100.c
 *
 * Copyright 2009 Samsung Electronics Co.
 * Author: Byungho Min <bhmin@samsung.com>
 *
 * 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/gpio.h>
#include <linux/i2c.h>
#include <linux/fb.h>
#include <linux/delay.h>

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

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

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

#include <plat/regs-serial.h>
#include <plat/gpio-cfg.h>
#include <plat/regs-gpio.h>

#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/s5pc100.h>
#include <plat/fb.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 smdkc100_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	[3] = {
		.hwport	     = 3,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
};

/* LCD power controller */
static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
				   unsigned int power)
{
	/* backlight */
	gpio_direction_output(S5PC100_GPD(0), power);

	if (power) {
		/* module reset */
		gpio_direction_output(S5PC100_GPH0(6), 1);
		mdelay(100);
		gpio_direction_output(S5PC100_GPH0(6), 0);
		mdelay(10);
		gpio_direction_output(S5PC100_GPH0(6), 1);
		mdelay(10);
	}
}

static struct plat_lcd_data smdkc100_lcd_power_data = {
	.set_power	= smdkc100_lcd_power_set,
};

static struct platform_device smdkc100_lcd_powerdev = {
	.name			= "platform-lcd",
	.dev.parent		= &s3c_device_fb.dev,
	.dev.platform_data	= &smdkc100_lcd_power_data,
};

/* Frame Buffer */
static struct s3c_fb_pd_win smdkc100_fb_win0 = {
	/* this is to ensure we use win0 */
	.win_mode	= {
		.refresh	= 70,
		.pixclock	= (8+13+3+800)*(7+5+1+480),
		.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,
};

static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
	.win[0]		= &smdkc100_fb_win0,
	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
	.setup_gpio	= s5pc100_fb_gpio_setup_24bpp,
};

static struct map_desc smdkc100_iodesc[] = {};

static struct platform_device *smdkc100_devices[] __initdata = {
	&s3c_device_fb,
	&smdkc100_lcd_powerdev,
};

static void __init smdkc100_map_io(void)
{
	s5pc1xx_init_io(smdkc100_iodesc, ARRAY_SIZE(smdkc100_iodesc));
	s3c24xx_init_clocks(12000000);
	s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
}

static void __init smdkc100_machine_init(void)
{
	s3c_fb_set_platdata(&smdkc100_lcd_pdata);

	/* LCD init */
	gpio_request(S5PC100_GPD(0), "GPD");
	gpio_request(S5PC100_GPH0(6), "GPH0");
	smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
	platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
}

MACHINE_START(SMDKC100, "SMDKC100")
	/* Maintainer: Byungho Min <bhmin@samsung.com> */
	.phys_io	= S5PC100_PA_UART & 0xfff00000,
	.io_pg_offst	= (((u32)S5PC1XX_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S5PC100_PA_SDRAM + 0x100,

	.init_irq	= s5pc100_init_irq,
	.map_io		= smdkc100_map_io,
	.init_machine	= smdkc100_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END