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board-ag5evm.c

/*
 * arch/arm/mach-shmobile/board-ag5evm.c
 *
 * Copyright (C) 2010  Takashi Yoshii <yoshii.takashi.zj@renesas.com>
 * Copyright (C) 2009  Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/dma-mapping.h>
#include <linux/serial_sci.h>
#include <linux/smsc911x.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>

#include <sound/sh_fsi.h>

#include <mach/hardware.h>
#include <mach/sh73a0.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/traps.h>

static struct resource smsc9220_resources[] = {
      [0] = {
            .start            = 0x14000000,
            .end        = 0x14000000 + SZ_64K - 1,
            .flags            = IORESOURCE_MEM,
      },
      [1] = {
            .start            = gic_spi(33), /* PINT1 */
            .flags            = IORESOURCE_IRQ,
      },
};

static struct smsc911x_platform_config smsc9220_platdata = {
      .flags            = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
      .phy_interface    = PHY_INTERFACE_MODE_MII,
      .irq_polarity     = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
      .irq_type   = SMSC911X_IRQ_TYPE_PUSH_PULL,
};

static struct platform_device eth_device = {
      .name       = "smsc911x",
      .id         = 0,
      .dev  = {
            .platform_data = &smsc9220_platdata,
      },
      .resource   = smsc9220_resources,
      .num_resources    = ARRAY_SIZE(smsc9220_resources),
};

static struct sh_keysc_info keysc_platdata = {
      .mode       = SH_KEYSC_MODE_6,
      .scan_timing      = 3,
      .delay            = 100,
      .keycodes   = {
            KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
            KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
            KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
            KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
            KEY_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
            KEY_COFFEE,
            KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
            KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
            KEY_COMPUTER,
      },
};

static struct resource keysc_resources[] = {
      [0] = {
            .name = "KEYSC",
            .start      = 0xe61b0000,
            .end  = 0xe61b0098 - 1,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = gic_spi(71),
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device keysc_device = {
      .name       = "sh_keysc",
      .id         = 0,
      .num_resources    = ARRAY_SIZE(keysc_resources),
      .resource   = keysc_resources,
      .dev        = {
            .platform_data    = &keysc_platdata,
      },
};

/* FSI A */
static struct sh_fsi_platform_info fsi_info = {
      .porta_flags = SH_FSI_OUT_SLAVE_MODE      |
                   SH_FSI_IN_SLAVE_MODE   |
                   SH_FSI_OFMT(I2S)       |
                   SH_FSI_IFMT(I2S),
};

static struct resource fsi_resources[] = {
      [0] = {
            .name = "FSI",
            .start      = 0xEC230000,
            .end  = 0xEC230400 - 1,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start  = gic_spi(146),
            .flags  = IORESOURCE_IRQ,
      },
};

static struct platform_device fsi_device = {
      .name       = "sh_fsi2",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(fsi_resources),
      .resource   = fsi_resources,
      .dev  = {
            .platform_data    = &fsi_info,
      },
};

static struct resource sh_mmcif_resources[] = {
      [0] = {
            .name = "MMCIF",
            .start      = 0xe6bd0000,
            .end  = 0xe6bd00ff,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = gic_spi(141),
            .flags      = IORESOURCE_IRQ,
      },
      [2] = {
            .start      = gic_spi(140),
            .flags      = IORESOURCE_IRQ,
      },
};

static struct sh_mmcif_plat_data sh_mmcif_platdata = {
      .sup_pclk   = 0,
      .ocr        = MMC_VDD_165_195,
      .caps       = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
};

static struct platform_device mmc_device = {
      .name       = "sh_mmcif",
      .id         = 0,
      .dev        = {
            .dma_mask         = NULL,
            .coherent_dma_mask      = 0xffffffff,
            .platform_data          = &sh_mmcif_platdata,
      },
      .num_resources    = ARRAY_SIZE(sh_mmcif_resources),
      .resource   = sh_mmcif_resources,
};

static struct platform_device *ag5evm_devices[] __initdata = {
      &eth_device,
      &keysc_device,
      &fsi_device,
      &mmc_device,
};

static struct map_desc ag5evm_io_desc[] __initdata = {
      /* create a 1:1 entity map for 0xe6xxxxxx
       * used by CPGA, INTC and PFC.
       */
      {
            .virtual    = 0xe6000000,
            .pfn        = __phys_to_pfn(0xe6000000),
            .length           = 256 << 20,
            .type       = MT_DEVICE_NONSHARED
      },
};

static void __init ag5evm_map_io(void)
{
      iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));

      /* setup early devices and console here as well */
      sh73a0_add_early_devices();
      shmobile_setup_console();
}

#define PINTC_ADDR      0xe6900000
#define PINTER0A  (PINTC_ADDR + 0xa0)
#define PINTCR0A  (PINTC_ADDR + 0xb0)

void __init ag5evm_init_irq(void)
{
      sh73a0_init_irq();

      /* setup PINT: enable PINTA2 as active low */
      __raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A);
      __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
}

static void __init ag5evm_init(void)
{
      sh73a0_pinmux_init();

      /* enable SCIFA2 */
      gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
      gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
      gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
      gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);

      /* enable KEYSC */
      gpio_request(GPIO_FN_KEYIN0_PU, NULL);
      gpio_request(GPIO_FN_KEYIN1_PU, NULL);
      gpio_request(GPIO_FN_KEYIN2_PU, NULL);
      gpio_request(GPIO_FN_KEYIN3_PU, NULL);
      gpio_request(GPIO_FN_KEYIN4_PU, NULL);
      gpio_request(GPIO_FN_KEYIN5_PU, NULL);
      gpio_request(GPIO_FN_KEYIN6_PU, NULL);
      gpio_request(GPIO_FN_KEYIN7_PU, NULL);
      gpio_request(GPIO_FN_KEYOUT0, NULL);
      gpio_request(GPIO_FN_KEYOUT1, NULL);
      gpio_request(GPIO_FN_KEYOUT2, NULL);
      gpio_request(GPIO_FN_KEYOUT3, NULL);
      gpio_request(GPIO_FN_KEYOUT4, NULL);
      gpio_request(GPIO_FN_KEYOUT5, NULL);
      gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
      gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
      gpio_request(GPIO_FN_KEYOUT8, NULL);
      gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);

      /* enable I2C channel 2 and 3 */
      gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
      gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
      gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
      gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);

      /* enable MMCIF */
      gpio_request(GPIO_FN_MMCCLK0, NULL);
      gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
      gpio_request(GPIO_FN_MMCD0_0, NULL);
      gpio_request(GPIO_FN_MMCD0_1, NULL);
      gpio_request(GPIO_FN_MMCD0_2, NULL);
      gpio_request(GPIO_FN_MMCD0_3, NULL);
      gpio_request(GPIO_FN_MMCD0_4, NULL);
      gpio_request(GPIO_FN_MMCD0_5, NULL);
      gpio_request(GPIO_FN_MMCD0_6, NULL);
      gpio_request(GPIO_FN_MMCD0_7, NULL);
      gpio_request(GPIO_PORT208, NULL); /* Reset */
      gpio_direction_output(GPIO_PORT208, 1);

      /* enable SMSC911X */
      gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
      gpio_direction_input(GPIO_PORT144);
      gpio_request(GPIO_PORT145, NULL); /* RESET */
      gpio_direction_output(GPIO_PORT145, 1);

      /* FSI A */
      gpio_request(GPIO_FN_FSIACK, NULL);
      gpio_request(GPIO_FN_FSIAILR, NULL);
      gpio_request(GPIO_FN_FSIAIBT, NULL);
      gpio_request(GPIO_FN_FSIAISLD, NULL);
      gpio_request(GPIO_FN_FSIAOSLD, NULL);

#ifdef CONFIG_CACHE_L2X0
      /* Shared attribute override enable, 64K*8way */
      l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
#endif
      sh73a0_add_standard_devices();
      platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
}

static void __init ag5evm_timer_init(void)
{
      sh73a0_clock_init();
      shmobile_timer.init();
      return;
}

struct sys_timer ag5evm_timer = {
      .init = ag5evm_timer_init,
};

MACHINE_START(AG5EVM, "ag5evm")
      .map_io           = ag5evm_map_io,
      .init_irq   = ag5evm_init_irq,
      .handle_irq = shmobile_handle_irq_gic,
      .init_machine     = ag5evm_init,
      .timer            = &ag5evm_timer,
MACHINE_END

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