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mach-smdkc210.c

/* linux/arch/arm/mach-s5pv310/mach-smdkc210.c
 *
 * Copyright (c) 2010 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/gpio.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
#include <linux/smsc911x.h>
#include <linux/io.h>
#include <linux/i2c.h>

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

#include <plat/regs-serial.h>
#include <plat/regs-srom.h>
#include <plat/s5pv310.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/sdhci.h>
#include <plat/iic.h>
#include <plat/pd.h>

#include <mach/map.h>

/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKC210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL |      \
                         S3C2410_UCON_RXILEVEL |      \
                         S3C2410_UCON_TXIRQMODE |     \
                         S3C2410_UCON_RXIRQMODE |     \
                         S3C2410_UCON_RXFIFO_TOI |    \
                         S3C2443_UCON_RXERR_IRQEN)

#define SMDKC210_ULCON_DEFAULT      S3C2410_LCON_CS8

#define SMDKC210_UFCON_DEFAULT      (S3C2410_UFCON_FIFOMODE |     \
                         S5PV210_UFCON_TXTRIG4 |      \
                         S5PV210_UFCON_RXTRIG4)

static struct s3c2410_uartcfg smdkc210_uartcfgs[] __initdata = {
      [0] = {
            .hwport           = 0,
            .flags            = 0,
            .ucon       = SMDKC210_UCON_DEFAULT,
            .ulcon            = SMDKC210_ULCON_DEFAULT,
            .ufcon            = SMDKC210_UFCON_DEFAULT,
      },
      [1] = {
            .hwport           = 1,
            .flags            = 0,
            .ucon       = SMDKC210_UCON_DEFAULT,
            .ulcon            = SMDKC210_ULCON_DEFAULT,
            .ufcon            = SMDKC210_UFCON_DEFAULT,
      },
      [2] = {
            .hwport           = 2,
            .flags            = 0,
            .ucon       = SMDKC210_UCON_DEFAULT,
            .ulcon            = SMDKC210_ULCON_DEFAULT,
            .ufcon            = SMDKC210_UFCON_DEFAULT,
      },
      [3] = {
            .hwport           = 3,
            .flags            = 0,
            .ucon       = SMDKC210_UCON_DEFAULT,
            .ulcon            = SMDKC210_ULCON_DEFAULT,
            .ufcon            = SMDKC210_UFCON_DEFAULT,
      },
};

static struct s3c_sdhci_platdata smdkc210_hsmmc0_pdata __initdata = {
      .cd_type          = S3C_SDHCI_CD_GPIO,
      .ext_cd_gpio            = S5PV310_GPK0(2),
      .ext_cd_gpio_invert     = 1,
      .clk_type         = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_S5PV310_SDHCI_CH0_8BIT
      .max_width        = 8,
      .host_caps        = MMC_CAP_8_BIT_DATA,
#endif
};

static struct s3c_sdhci_platdata smdkc210_hsmmc1_pdata __initdata = {
      .cd_type          = S3C_SDHCI_CD_GPIO,
      .ext_cd_gpio            = S5PV310_GPK0(2),
      .ext_cd_gpio_invert     = 1,
      .clk_type         = S3C_SDHCI_CLK_DIV_EXTERNAL,
};

static struct s3c_sdhci_platdata smdkc210_hsmmc2_pdata __initdata = {
      .cd_type          = S3C_SDHCI_CD_GPIO,
      .ext_cd_gpio            = S5PV310_GPK2(2),
      .ext_cd_gpio_invert     = 1,
      .clk_type         = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_S5PV310_SDHCI_CH2_8BIT
      .max_width        = 8,
      .host_caps        = MMC_CAP_8_BIT_DATA,
#endif
};

static struct s3c_sdhci_platdata smdkc210_hsmmc3_pdata __initdata = {
      .cd_type          = S3C_SDHCI_CD_GPIO,
      .ext_cd_gpio            = S5PV310_GPK2(2),
      .ext_cd_gpio_invert     = 1,
      .clk_type         = S3C_SDHCI_CLK_DIV_EXTERNAL,
};

static struct resource smdkc210_smsc911x_resources[] = {
      [0] = {
            .start      = S5PV310_PA_SROM_BANK(1),
            .end  = S5PV310_PA_SROM_BANK(1) + SZ_64K - 1,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = IRQ_EINT(5),
            .end  = IRQ_EINT(5),
            .flags      = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
      },
};

static struct smsc911x_platform_config smsc9215_config = {
      .irq_polarity     = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
      .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 smdkc210_smsc911x = {
      .name       = "smsc911x",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(smdkc210_smsc911x_resources),
      .resource   = smdkc210_smsc911x_resources,
      .dev        = {
            .platform_data    = &smsc9215_config,
      },
};

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

static struct platform_device *smdkc210_devices[] __initdata = {
      &s3c_device_hsmmc0,
      &s3c_device_hsmmc1,
      &s3c_device_hsmmc2,
      &s3c_device_hsmmc3,
      &s3c_device_i2c1,
      &s3c_device_rtc,
      &s3c_device_wdt,
      &s5pv310_device_ac97,
      &s5pv310_device_i2s0,
      &s5pv310_device_pd[PD_MFC],
      &s5pv310_device_pd[PD_G3D],
      &s5pv310_device_pd[PD_LCD0],
      &s5pv310_device_pd[PD_LCD1],
      &s5pv310_device_pd[PD_CAM],
      &s5pv310_device_pd[PD_TV],
      &s5pv310_device_pd[PD_GPS],
      &s5pv310_device_sysmmu,
      &samsung_asoc_dma,
      &smdkc210_smsc911x,
};

static void __init smdkc210_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);
}

static void __init smdkc210_map_io(void)
{
      s5p_init_io(NULL, 0, S5P_VA_CHIPID);
      s3c24xx_init_clocks(24000000);
      s3c24xx_init_uarts(smdkc210_uartcfgs, ARRAY_SIZE(smdkc210_uartcfgs));
}

static void __init smdkc210_machine_init(void)
{
      s3c_i2c1_set_platdata(NULL);
      i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));

      smdkc210_smsc911x_init();

      s3c_sdhci0_set_platdata(&smdkc210_hsmmc0_pdata);
      s3c_sdhci1_set_platdata(&smdkc210_hsmmc1_pdata);
      s3c_sdhci2_set_platdata(&smdkc210_hsmmc2_pdata);
      s3c_sdhci3_set_platdata(&smdkc210_hsmmc3_pdata);

      platform_add_devices(smdkc210_devices, ARRAY_SIZE(smdkc210_devices));
}

MACHINE_START(SMDKC210, "SMDKC210")
      /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
      .boot_params      = S5P_PA_SDRAM + 0x100,
      .init_irq   = s5pv310_init_irq,
      .map_io           = smdkc210_map_io,
      .init_machine     = smdkc210_machine_init,
      .timer            = &s5pv310_timer,
MACHINE_END

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