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/* linux/arch/arm/mach-exynos4/mach-origen.c
*
* Copyright (c) 2011 Insignal Co., Ltd.
* http://www.insignal.co.kr/
*
* 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/serial_core.h>
#include <linux/gpio.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/input.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio_keys.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/sdhci.h>
#include <plat/iic.h>
#include <plat/ehci.h>
#include <plat/clock.h>
#include <plat/gpio-cfg.h>
#include <plat/backlight.h>
#include <mach/map.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define ORIGEN_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
S3C2410_UCON_RXIRQMODE | \
S3C2410_UCON_RXFIFO_TOI | \
S3C2443_UCON_RXERR_IRQEN)
#define ORIGEN_ULCON_DEFAULT S3C2410_LCON_CS8
#define ORIGEN_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
S5PV210_UFCON_TXTRIG4 | \
S5PV210_UFCON_RXTRIG4)
static struct s3c2410_uartcfg origen_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = ORIGEN_UCON_DEFAULT,
.ulcon = ORIGEN_ULCON_DEFAULT,
.ufcon = ORIGEN_UFCON_DEFAULT,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = ORIGEN_UCON_DEFAULT,
.ulcon = ORIGEN_ULCON_DEFAULT,
.ufcon = ORIGEN_UFCON_DEFAULT,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = ORIGEN_UCON_DEFAULT,
.ulcon = ORIGEN_ULCON_DEFAULT,
.ufcon = ORIGEN_UFCON_DEFAULT,
},
[3] = {
.hwport = 3,
.flags = 0,
.ucon = ORIGEN_UCON_DEFAULT,
.ulcon = ORIGEN_ULCON_DEFAULT,
.ufcon = ORIGEN_UFCON_DEFAULT,
},
};
static struct s3c_sdhci_platdata origen_hsmmc0_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_INTERNAL,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct s3c_sdhci_platdata origen_hsmmc2_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_INTERNAL,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
/* USB EHCI */
static struct s5p_ehci_platdata origen_ehci_pdata;
static void __init origen_ehci_init(void)
{
struct s5p_ehci_platdata *pdata = &origen_ehci_pdata;
s5p_ehci_set_platdata(pdata);
}
static struct gpio_keys_button origen_gpio_keys_table[] = {
{
.code = KEY_MENU,
.gpio = EXYNOS4_GPX1(5),
.desc = "gpio-keys: KEY_MENU",
.type = EV_KEY,
.active_low = 1,
.wakeup = 1,
.debounce_interval = 1,
}, {
.code = KEY_HOME,
.gpio = EXYNOS4_GPX1(6),
.desc = "gpio-keys: KEY_HOME",
.type = EV_KEY,
.active_low = 1,
.wakeup = 1,
.debounce_interval = 1,
}, {
.code = KEY_BACK,
.gpio = EXYNOS4_GPX1(7),
.desc = "gpio-keys: KEY_BACK",
.type = EV_KEY,
.active_low = 1,
.wakeup = 1,
.debounce_interval = 1,
}, {
.code = KEY_UP,
.gpio = EXYNOS4_GPX2(0),
.desc = "gpio-keys: KEY_UP",
.type = EV_KEY,
.active_low = 1,
.wakeup = 1,
.debounce_interval = 1,
}, {
.code = KEY_DOWN,
.gpio = EXYNOS4_GPX2(1),
.desc = "gpio-keys: KEY_DOWN",
.type = EV_KEY,
.active_low = 1,
.wakeup = 1,
.debounce_interval = 1,
},
};
static struct gpio_keys_platform_data origen_gpio_keys_data = {
.buttons = origen_gpio_keys_table,
.nbuttons = ARRAY_SIZE(origen_gpio_keys_table),
};
static struct platform_device origen_device_gpiokeys = {
.name = "gpio-keys",
.dev = {
.platform_data = &origen_gpio_keys_data,
},
};
static struct platform_device *origen_devices[] __initdata = {
&s3c_device_hsmmc2,
&s3c_device_hsmmc0,
&s3c_device_rtc,
&s3c_device_wdt,
&s5p_device_ehci,
&s5p_device_fimc0,
&s5p_device_fimc1,
&s5p_device_fimc2,
&s5p_device_fimc3,
&s5p_device_hdmi,
&s5p_device_i2c_hdmiphy,
&s5p_device_mixer,
&origen_device_gpiokeys,
};
/* LCD Backlight data */
static struct samsung_bl_gpio_info origen_bl_gpio_info = {
.no = EXYNOS4_GPD0(0),
.func = S3C_GPIO_SFN(2),
};
static struct platform_pwm_backlight_data origen_bl_data = {
.pwm_id = 0,
.pwm_period_ns = 1000,
};
static void __init origen_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
s3c24xx_init_clocks(24000000);
s3c24xx_init_uarts(origen_uartcfgs, ARRAY_SIZE(origen_uartcfgs));
}
static void __init origen_machine_init(void)
{
/*
* Since sdhci instance 2 can contain a bootable media,
* sdhci instance 0 is registered after instance 2.
*/
s3c_sdhci2_set_platdata(&origen_hsmmc2_pdata);
s3c_sdhci0_set_platdata(&origen_hsmmc0_pdata);
origen_ehci_init();
clk_xusbxti.rate = 24000000;
s5p_i2c_hdmiphy_set_platdata(NULL);
platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices));
samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data);
}
MACHINE_START(ORIGEN, "ORIGEN")
/* Maintainer: JeongHyeon Kim <jhkim@insignal.co.kr> */
.boot_params = S5P_PA_SDRAM + 0x100,
.init_irq = exynos4_init_irq,
.map_io = origen_map_io,
.init_machine = origen_machine_init,
.timer = &exynos4_timer,
MACHINE_END
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