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platform.c

/*
 * Pb1200/DBAu1200 board platform device registration
 *
 * Copyright (C) 2008 MontaVista Software Inc. <source@mvista.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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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/dma-mapping.h>
#include <linux/init.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/smc91x.h>

#include <asm/mach-au1x00/au1xxx.h>
#include <asm/mach-au1x00/au1100_mmc.h>

static int mmc_activity;

static void pb1200mmc0_set_power(void *mmc_host, int state)
{
      if (state)
            bcsr->board |= BCSR_BOARD_SD0PWR;
      else
            bcsr->board &= ~BCSR_BOARD_SD0PWR;

      au_sync_delay(1);
}

static int pb1200mmc0_card_readonly(void *mmc_host)
{
      return (bcsr->status & BCSR_STATUS_SD0WP) ? 1 : 0;
}

static int pb1200mmc0_card_inserted(void *mmc_host)
{
      return (bcsr->sig_status & BCSR_INT_SD0INSERT) ? 1 : 0;
}

static void pb1200_mmcled_set(struct led_classdev *led,
                  enum led_brightness brightness)
{
      if (brightness != LED_OFF) {
            if (++mmc_activity == 1)
                  bcsr->disk_leds &= ~(1 << 8);
      } else {
            if (--mmc_activity == 0)
                  bcsr->disk_leds |= (1 << 8);
      }
}

static struct led_classdev pb1200mmc_led = {
      .brightness_set   = pb1200_mmcled_set,
};

#ifndef CONFIG_MIPS_DB1200
static void pb1200mmc1_set_power(void *mmc_host, int state)
{
      if (state)
            bcsr->board |= BCSR_BOARD_SD1PWR;
      else
            bcsr->board &= ~BCSR_BOARD_SD1PWR;

      au_sync_delay(1);
}

static int pb1200mmc1_card_readonly(void *mmc_host)
{
      return (bcsr->status & BCSR_STATUS_SD1WP) ? 1 : 0;
}

static int pb1200mmc1_card_inserted(void *mmc_host)
{
      return (bcsr->sig_status & BCSR_INT_SD1INSERT) ? 1 : 0;
}
#endif

const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
      [0] = {
            .set_power  = pb1200mmc0_set_power,
            .card_inserted    = pb1200mmc0_card_inserted,
            .card_readonly    = pb1200mmc0_card_readonly,
            .cd_setup   = NULL,           /* use poll-timer in driver */
            .led        = &pb1200mmc_led,
      },
#ifndef CONFIG_MIPS_DB1200
      [1] = {
            .set_power  = pb1200mmc1_set_power,
            .card_inserted    = pb1200mmc1_card_inserted,
            .card_readonly    = pb1200mmc1_card_readonly,
            .cd_setup   = NULL,           /* use poll-timer in driver */
            .led        = &pb1200mmc_led,
      },
#endif
};

static struct resource ide_resources[] = {
      [0] = {
            .start      = IDE_PHYS_ADDR,
            .end  = IDE_PHYS_ADDR + IDE_PHYS_LEN - 1,
            .flags      = IORESOURCE_MEM
      },
      [1] = {
            .start      = IDE_INT,
            .end  = IDE_INT,
            .flags      = IORESOURCE_IRQ
      }
};

static u64 ide_dmamask = DMA_BIT_MASK(32);

static struct platform_device ide_device = {
      .name       = "au1200-ide",
      .id         = 0,
      .dev = {
            .dma_mask         = &ide_dmamask,
            .coherent_dma_mask      = DMA_BIT_MASK(32),
      },
      .num_resources    = ARRAY_SIZE(ide_resources),
      .resource   = ide_resources
};

static struct smc91x_platdata smc_data = {
      .flags      = SMC91X_NOWAIT | SMC91X_USE_16BIT,
      .leda = RPC_LED_100_10,
      .ledb = RPC_LED_TX_RX,
};

static struct resource smc91c111_resources[] = {
      [0] = {
            .name = "smc91x-regs",
            .start      = SMC91C111_PHYS_ADDR,
            .end  = SMC91C111_PHYS_ADDR + 0xf,
            .flags      = IORESOURCE_MEM
      },
      [1] = {
            .start      = SMC91C111_INT,
            .end  = SMC91C111_INT,
            .flags      = IORESOURCE_IRQ
      },
};

static struct platform_device smc91c111_device = {
      .dev  = {
            .platform_data    = &smc_data,
      },
      .name       = "smc91x",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(smc91c111_resources),
      .resource   = smc91c111_resources
};

static struct platform_device *board_platform_devices[] __initdata = {
      &ide_device,
      &smc91c111_device
};

static int __init board_register_devices(void)
{
      return platform_add_devices(board_platform_devices,
                            ARRAY_SIZE(board_platform_devices));
}

arch_initcall(board_register_devices);

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