mach-smdkv310.c

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/* linux/arch/arm/mach-exynos4/mach-smdkv310.c
 *
 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
 *      http://www.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/serial_core.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/lcd.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
#include <linux/smsc911x.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/platform_data/s3c-hsotg.h>

#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include <asm/mach-types.h>

#include <video/platform_lcd.h>
#include <video/samsung_fimd.h>
#include <plat/regs-serial.h>
#include <plat/regs-srom.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/fb.h>
#include <plat/keypad.h>
#include <plat/sdhci.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/gpio-cfg.h>
#include <plat/backlight.h>
#include <plat/mfc.h>
#include <linux/platform_data/usb-ehci-s5p.h>
#include <plat/clock.h>
#include <plat/hdmi.h>

#include <mach/map.h>
#include <linux/platform_data/usb-exynos.h>

#include <drm/exynos_drm.h>
#include "common.h"

/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKV310_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |    \
                 S3C2410_UCON_RXILEVEL |    \
                 S3C2410_UCON_TXIRQMODE |   \
                 S3C2410_UCON_RXIRQMODE |   \
                 S3C2410_UCON_RXFIFO_TOI |  \
                 S3C2443_UCON_RXERR_IRQEN)

#define SMDKV310_ULCON_DEFAULT  S3C2410_LCON_CS8

#define SMDKV310_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |   \
                 S5PV210_UFCON_TXTRIG4 |    \
                 S5PV210_UFCON_RXTRIG4)

static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
    [0] = {
        .hwport     = 0,
        .flags      = 0,
        .ucon       = SMDKV310_UCON_DEFAULT,
        .ulcon      = SMDKV310_ULCON_DEFAULT,
        .ufcon      = SMDKV310_UFCON_DEFAULT,
    },
    [1] = {
        .hwport     = 1,
        .flags      = 0,
        .ucon       = SMDKV310_UCON_DEFAULT,
        .ulcon      = SMDKV310_ULCON_DEFAULT,
        .ufcon      = SMDKV310_UFCON_DEFAULT,
    },
    [2] = {
        .hwport     = 2,
        .flags      = 0,
        .ucon       = SMDKV310_UCON_DEFAULT,
        .ulcon      = SMDKV310_ULCON_DEFAULT,
        .ufcon      = SMDKV310_UFCON_DEFAULT,
    },
    [3] = {
        .hwport     = 3,
        .flags      = 0,
        .ucon       = SMDKV310_UCON_DEFAULT,
        .ulcon      = SMDKV310_ULCON_DEFAULT,
        .ufcon      = SMDKV310_UFCON_DEFAULT,
    },
};

static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
    .cd_type        = S3C_SDHCI_CD_INTERNAL,
#ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
    .max_width      = 8,
    .host_caps      = MMC_CAP_8_BIT_DATA,
#endif
};

static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
    .cd_type        = S3C_SDHCI_CD_GPIO,
    .ext_cd_gpio        = EXYNOS4_GPK0(2),
    .ext_cd_gpio_invert = 1,
};

static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
    .cd_type        = S3C_SDHCI_CD_INTERNAL,
#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
    .max_width      = 8,
    .host_caps      = MMC_CAP_8_BIT_DATA,
#endif
};

static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
    .cd_type        = S3C_SDHCI_CD_GPIO,
    .ext_cd_gpio        = EXYNOS4_GPK2(2),
    .ext_cd_gpio_invert = 1,
};

static void lcd_lte480wv_set_power(struct plat_lcd_data *pd,
                   unsigned int power)
{
    if (power) {
#if !defined(CONFIG_BACKLIGHT_PWM)
        gpio_request_one(EXYNOS4_GPD0(1), GPIOF_OUT_INIT_HIGH, "GPD0");
        gpio_free(EXYNOS4_GPD0(1));
#endif
        /* fire nRESET on power up */
        gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0");
        mdelay(100);

        gpio_set_value(EXYNOS4_GPX0(6), 0);
        mdelay(10);

        gpio_set_value(EXYNOS4_GPX0(6), 1);
        mdelay(10);

        gpio_free(EXYNOS4_GPX0(6));
    } else {
#if !defined(CONFIG_BACKLIGHT_PWM)
        gpio_request_one(EXYNOS4_GPD0(1), GPIOF_OUT_INIT_LOW, "GPD0");
        gpio_free(EXYNOS4_GPD0(1));
#endif
    }
}

static struct plat_lcd_data smdkv310_lcd_lte480wv_data = {
    .set_power      = lcd_lte480wv_set_power,
};

static struct platform_device smdkv310_lcd_lte480wv = {
    .name           = "platform-lcd",
    .dev.parent     = &s5p_device_fimd0.dev,
    .dev.platform_data  = &smdkv310_lcd_lte480wv_data,
};

#ifdef CONFIG_DRM_EXYNOS
static struct exynos_drm_fimd_pdata drm_fimd_pdata = {
    .panel  = {
        .timing = {
            .left_margin    = 13,
            .right_margin   = 8,
            .upper_margin   = 7,
            .lower_margin   = 5,
            .hsync_len  = 3,
            .vsync_len  = 1,
            .xres       = 800,
            .yres       = 480,
        },
    },
    .vidcon0    = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
    .vidcon1    = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
    .default_win    = 0,
    .bpp        = 32,
};
#else
static struct s3c_fb_pd_win smdkv310_fb_win0 = {
    .max_bpp    = 32,
    .default_bpp    = 24,
    .xres       = 800,
    .yres       = 480,
};

static struct fb_videomode smdkv310_lcd_timing = {
    .left_margin    = 13,
    .right_margin   = 8,
    .upper_margin   = 7,
    .lower_margin   = 5,
    .hsync_len  = 3,
    .vsync_len  = 1,
    .xres       = 800,
    .yres       = 480,
};

static struct s3c_fb_platdata smdkv310_lcd0_pdata __initdata = {
    .win[0]     = &smdkv310_fb_win0,
    .vtiming    = &smdkv310_lcd_timing,
    .vidcon0    = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
    .vidcon1    = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
    .setup_gpio = exynos4_fimd0_gpio_setup_24bpp,
};
#endif

static struct resource smdkv310_smsc911x_resources[] = {
    [0] = DEFINE_RES_MEM(EXYNOS4_PA_SROM_BANK(1), SZ_64K),
    [1] = DEFINE_RES_NAMED(IRQ_EINT(5), 1, NULL, IORESOURCE_IRQ \
                        | IRQF_TRIGGER_LOW),
};

static struct smsc911x_platform_config smsc9215_config = {
    .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
    .irq_type   = SMSC911X_IRQ_TYPE_PUSH_PULL,
    .flags      = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
    .phy_interface  = PHY_INTERFACE_MODE_MII,
    .mac        = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
};

static struct platform_device smdkv310_smsc911x = {
    .name       = "smsc911x",
    .id     = -1,
    .num_resources  = ARRAY_SIZE(smdkv310_smsc911x_resources),
    .resource   = smdkv310_smsc911x_resources,
    .dev        = {
        .platform_data  = &smsc9215_config,
    },
};

static uint32_t smdkv310_keymap[] __initdata = {
    /* KEY(row, col, keycode) */
    KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
    KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
    KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
    KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
};

static struct matrix_keymap_data smdkv310_keymap_data __initdata = {
    .keymap     = smdkv310_keymap,
    .keymap_size    = ARRAY_SIZE(smdkv310_keymap),
};

static struct samsung_keypad_platdata smdkv310_keypad_data __initdata = {
    .keymap_data    = &smdkv310_keymap_data,
    .rows       = 2,
    .cols       = 8,
};

static struct i2c_board_info i2c_devs1[] __initdata = {
    {I2C_BOARD_INFO("wm8994", 0x1a),},
};

/* USB EHCI */
static struct s5p_ehci_platdata smdkv310_ehci_pdata;

static void __init smdkv310_ehci_init(void)
{
    struct s5p_ehci_platdata *pdata = &smdkv310_ehci_pdata;

    s5p_ehci_set_platdata(pdata);
}

/* USB OHCI */
static struct exynos4_ohci_platdata smdkv310_ohci_pdata;

static void __init smdkv310_ohci_init(void)
{
    struct exynos4_ohci_platdata *pdata = &smdkv310_ohci_pdata;

    exynos4_ohci_set_platdata(pdata);
}

/* USB OTG */
static struct s3c_hsotg_plat smdkv310_hsotg_pdata;

/* Audio device */
static struct platform_device smdkv310_device_audio = {
    .name = "smdk-audio",
    .id = -1,
};

static struct platform_device *smdkv310_devices[] __initdata = {
    &s3c_device_hsmmc0,
    &s3c_device_hsmmc1,
    &s3c_device_hsmmc2,
    &s3c_device_hsmmc3,
    &s3c_device_i2c1,
    &s5p_device_i2c_hdmiphy,
    &s3c_device_rtc,
    &s3c_device_usb_hsotg,
    &s3c_device_wdt,
    &s5p_device_ehci,
    &s5p_device_fimc0,
    &s5p_device_fimc1,
    &s5p_device_fimc2,
    &s5p_device_fimc3,
    &s5p_device_fimc_md,
    &s5p_device_g2d,
    &s5p_device_jpeg,
#ifdef CONFIG_DRM_EXYNOS
    &exynos_device_drm,
#endif
    &exynos4_device_ac97,
    &exynos4_device_i2s0,
    &exynos4_device_ohci,
    &samsung_device_keypad,
    &s5p_device_mfc,
    &s5p_device_mfc_l,
    &s5p_device_mfc_r,
    &exynos4_device_spdif,
    &samsung_asoc_dma,
    &samsung_asoc_idma,
    &s5p_device_fimd0,
    &smdkv310_device_audio,
    &smdkv310_lcd_lte480wv,
    &smdkv310_smsc911x,
    &exynos4_device_ahci,
    &s5p_device_hdmi,
    &s5p_device_mixer,
};

static void __init smdkv310_smsc911x_init(void)
{
    u32 cs1;

    /* configure nCS1 width to 16 bits */
    cs1 = __raw_readl(S5P_SROM_BW) &
        ~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
    cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
        (1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
        (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
        S5P_SROM_BW__NCS1__SHIFT;
    __raw_writel(cs1, S5P_SROM_BW);

    /* set timing for nCS1 suitable for ethernet chip */
    __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
             (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
             (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
             (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
             (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
             (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
             (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
}

/* LCD Backlight data */
static struct samsung_bl_gpio_info smdkv310_bl_gpio_info = {
    .no = EXYNOS4_GPD0(1),
    .func = S3C_GPIO_SFN(2),
};

static struct platform_pwm_backlight_data smdkv310_bl_data = {
    .pwm_id = 1,
    .pwm_period_ns  = 1000,
};

/* I2C module and id for HDMIPHY */
static struct i2c_board_info hdmiphy_info = {
    I2C_BOARD_INFO("hdmiphy-exynos4210", 0x38),
};

static struct pwm_lookup smdkv310_pwm_lookup[] = {
    PWM_LOOKUP("s3c24xx-pwm.1", 0, "pwm-backlight.0", NULL),
};

static void s5p_tv_setup(void)
{
    /* direct HPD to HDMI chip */
    WARN_ON(gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug"));
    s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
    s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
}

static void __init smdkv310_map_io(void)
{
    exynos_init_io(NULL, 0);
    s3c24xx_init_clocks(clk_xusbxti.rate);
    s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
}

static void __init smdkv310_reserve(void)
{
    s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
}

static void __init smdkv310_machine_init(void)
{
    s3c_i2c1_set_platdata(NULL);
    i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));

    smdkv310_smsc911x_init();

    s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
    s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
    s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
    s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);

    s5p_tv_setup();
    s5p_i2c_hdmiphy_set_platdata(NULL);
    s5p_hdmi_set_platdata(&hdmiphy_info, NULL, 0);

    samsung_keypad_set_platdata(&smdkv310_keypad_data);

    samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
    pwm_add_table(smdkv310_pwm_lookup, ARRAY_SIZE(smdkv310_pwm_lookup));

#ifdef CONFIG_DRM_EXYNOS
    s5p_device_fimd0.dev.platform_data = &drm_fimd_pdata;
    exynos4_fimd0_gpio_setup_24bpp();
#else
    s5p_fimd0_set_platdata(&smdkv310_lcd0_pdata);
#endif

    smdkv310_ehci_init();
    smdkv310_ohci_init();
    s3c_hsotg_set_platdata(&smdkv310_hsotg_pdata);

    platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
}

MACHINE_START(SMDKV310, "SMDKV310")
    /* Maintainer: Kukjin Kim <[email protected]> */
    /* Maintainer: Changhwan Youn <[email protected]> */
    .atag_offset    = 0x100,
    .smp        = smp_ops(exynos_smp_ops),
    .init_irq   = exynos4_init_irq,
    .map_io     = smdkv310_map_io,
    .handle_irq = gic_handle_irq,
    .init_machine   = smdkv310_machine_init,
    .timer      = &exynos4_timer,
    .reserve    = &smdkv310_reserve,
    .restart    = exynos4_restart,
MACHINE_END

MACHINE_START(SMDKC210, "SMDKC210")
    /* Maintainer: Kukjin Kim <[email protected]> */
    .atag_offset    = 0x100,
    .smp        = smp_ops(exynos_smp_ops),
    .init_irq   = exynos4_init_irq,
    .map_io     = smdkv310_map_io,
    .handle_irq = gic_handle_irq,
    .init_machine   = smdkv310_machine_init,
    .init_late  = exynos_init_late,
    .timer      = &exynos4_timer,
    .reserve    = &smdkv310_reserve,
    .restart    = exynos4_restart,
MACHINE_END