db1300.c

Go to the documentation of this file.

/*
 * DBAu1300 init and platform device setup.
 *
 * (c) 2009 Manuel Lauss <[email protected]>
 */

#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/init.h>
#include <linux/input.h>    /* KEY_* codes */
#include <linux/i2c.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/ata_platform.h>
#include <linux/mmc/host.h>
#include <linux/module.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_device.h>
#include <linux/smsc911x.h>

#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1100_mmc.h>
#include <asm/mach-au1x00/au1200fb.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
#include <asm/mach-db1x00/db1300.h>
#include <asm/mach-db1x00/bcsr.h>
#include <asm/mach-au1x00/prom.h>

#include "platform.h"

static struct i2c_board_info db1300_i2c_devs[] __initdata = {
    { I2C_BOARD_INFO("wm8731", 0x1b), },    /* I2S audio codec */
    { I2C_BOARD_INFO("ne1619", 0x2d), },    /* adm1025-compat hwmon */
};

/* multifunction pins to assign to GPIO controller */
static int db1300_gpio_pins[] __initdata = {
    AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
    AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
    AU1300_PIN_EXTCLK1,
    -1, /* terminator */
};

/* multifunction pins to assign to device functions */
static int db1300_dev_pins[] __initdata = {
    /* wake-from-str pins 0-3 */
    AU1300_PIN_WAKE0,
    /* external clock sources for PSC0 */
    AU1300_PIN_EXTCLK0,
    /* 8bit MMC interface on SD0: 6-9 */
    AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
    AU1300_PIN_SD0DAT7,
    /* UART1 pins: 11-18 */
    AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
    AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
    AU1300_PIN_U1RX, AU1300_PIN_U1TX,
    /* UART0 pins: 19-24 */
    AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
    AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
    /* UART2: 25-26 */
    AU1300_PIN_U2RX, AU1300_PIN_U2TX,
    /* UART3: 27-28 */
    AU1300_PIN_U3RX, AU1300_PIN_U3TX,
    /* LCD controller PWMs, ext pixclock: 30-31 */
    AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
    /* SD1 interface: 32-37 */
    AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
    AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
    /* SD2 interface: 38-43 */
    AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
    AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
    /* PSC0/1 clocks: 44-45 */
    AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
    /* PSCs: 46-49/50-53/54-57/58-61 */
    AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
    AU1300_PIN_PSC0D1,
    AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
    AU1300_PIN_PSC1D1,
    AU1300_PIN_PSC2SYNC0,                       AU1300_PIN_PSC2D0,
    AU1300_PIN_PSC2D1,
    AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
    AU1300_PIN_PSC3D1,
    /* PCMCIA interface: 62-70 */
    AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
    AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
    AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
    /* camera interface H/V sync inputs: 71-72 */
    AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
    /* PSC2/3 clocks: 73-74 */
    AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
    -1, /* terminator */
};

static void __init db1300_gpio_config(void)
{
    int *i;

    i = &db1300_dev_pins[0];
    while (*i != -1)
        au1300_pinfunc_to_dev(*i++);

    i = &db1300_gpio_pins[0];
    while (*i != -1)
        au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */

    au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
}

/**********************************************************************/

static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
                 unsigned int ctrl)
{
    struct nand_chip *this = mtd->priv;
    unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;

    ioaddr &= 0xffffff00;

    if (ctrl & NAND_CLE) {
        ioaddr += MEM_STNAND_CMD;
    } else if (ctrl & NAND_ALE) {
        ioaddr += MEM_STNAND_ADDR;
    } else {
        /* assume we want to r/w real data  by default */
        ioaddr += MEM_STNAND_DATA;
    }
    this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
    if (cmd != NAND_CMD_NONE) {
        __raw_writeb(cmd, this->IO_ADDR_W);
        wmb();
    }
}

static int au1300_nand_device_ready(struct mtd_info *mtd)
{
    return __raw_readl((void __iomem *)MEM_STSTAT) & 1;
}

static struct mtd_partition db1300_nand_parts[] = {
    {
        .name   = "NAND FS 0",
        .offset = 0,
        .size   = 8 * 1024 * 1024,
    },
    {
        .name   = "NAND FS 1",
        .offset = MTDPART_OFS_APPEND,
        .size   = MTDPART_SIZ_FULL
    },
};

struct platform_nand_data db1300_nand_platdata = {
    .chip = {
        .nr_chips   = 1,
        .chip_offset    = 0,
        .nr_partitions  = ARRAY_SIZE(db1300_nand_parts),
        .partitions = db1300_nand_parts,
        .chip_delay = 20,
    },
    .ctrl = {
        .dev_ready  = au1300_nand_device_ready,
        .cmd_ctrl   = au1300_nand_cmd_ctrl,
    },
};

static struct resource db1300_nand_res[] = {
    [0] = {
        .start  = DB1300_NAND_PHYS_ADDR,
        .end    = DB1300_NAND_PHYS_ADDR + 0xff,
        .flags  = IORESOURCE_MEM,
    },
};

static struct platform_device db1300_nand_dev = {
    .name       = "gen_nand",
    .num_resources  = ARRAY_SIZE(db1300_nand_res),
    .resource   = db1300_nand_res,
    .id     = -1,
    .dev        = {
        .platform_data = &db1300_nand_platdata,
    }
};

/**********************************************************************/

static struct resource db1300_eth_res[] = {
    [0] = {
        .start      = DB1300_ETH_PHYS_ADDR,
        .end        = DB1300_ETH_PHYS_END,
        .flags      = IORESOURCE_MEM,
    },
    [1] = {
        .start      = DB1300_ETH_INT,
        .end        = DB1300_ETH_INT,
        .flags      = IORESOURCE_IRQ,
    },
};

static struct smsc911x_platform_config db1300_eth_config = {
    .phy_interface      = PHY_INTERFACE_MODE_MII,
    .irq_polarity       = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
    .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
    .flags          = SMSC911X_USE_32BIT,
};

static struct platform_device db1300_eth_dev = {
    .name           = "smsc911x",
    .id         = -1,
    .num_resources      = ARRAY_SIZE(db1300_eth_res),
    .resource       = db1300_eth_res,
    .dev = {
        .platform_data  = &db1300_eth_config,
    },
};

/**********************************************************************/

static struct resource au1300_psc1_res[] = {
    [0] = {
        .start  = AU1300_PSC1_PHYS_ADDR,
        .end    = AU1300_PSC1_PHYS_ADDR + 0x0fff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = AU1300_PSC1_INT,
        .end    = AU1300_PSC1_INT,
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        .start  = AU1300_DSCR_CMD0_PSC1_TX,
        .end    = AU1300_DSCR_CMD0_PSC1_TX,
        .flags  = IORESOURCE_DMA,
    },
    [3] = {
        .start  = AU1300_DSCR_CMD0_PSC1_RX,
        .end    = AU1300_DSCR_CMD0_PSC1_RX,
        .flags  = IORESOURCE_DMA,
    },
};

static struct platform_device db1300_ac97_dev = {
    .name       = "au1xpsc_ac97",
    .id     = 1,    /* PSC ID. match with AC97 codec ID! */
    .num_resources  = ARRAY_SIZE(au1300_psc1_res),
    .resource   = au1300_psc1_res,
};

/**********************************************************************/

static struct resource au1300_psc2_res[] = {
    [0] = {
        .start  = AU1300_PSC2_PHYS_ADDR,
        .end    = AU1300_PSC2_PHYS_ADDR + 0x0fff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = AU1300_PSC2_INT,
        .end    = AU1300_PSC2_INT,
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        .start  = AU1300_DSCR_CMD0_PSC2_TX,
        .end    = AU1300_DSCR_CMD0_PSC2_TX,
        .flags  = IORESOURCE_DMA,
    },
    [3] = {
        .start  = AU1300_DSCR_CMD0_PSC2_RX,
        .end    = AU1300_DSCR_CMD0_PSC2_RX,
        .flags  = IORESOURCE_DMA,
    },
};

static struct platform_device db1300_i2s_dev = {
    .name       = "au1xpsc_i2s",
    .id     = 2,    /* PSC ID */
    .num_resources  = ARRAY_SIZE(au1300_psc2_res),
    .resource   = au1300_psc2_res,
};

/**********************************************************************/

static struct resource au1300_psc3_res[] = {
    [0] = {
        .start  = AU1300_PSC3_PHYS_ADDR,
        .end    = AU1300_PSC3_PHYS_ADDR + 0x0fff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = AU1300_PSC3_INT,
        .end    = AU1300_PSC3_INT,
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        .start  = AU1300_DSCR_CMD0_PSC3_TX,
        .end    = AU1300_DSCR_CMD0_PSC3_TX,
        .flags  = IORESOURCE_DMA,
    },
    [3] = {
        .start  = AU1300_DSCR_CMD0_PSC3_RX,
        .end    = AU1300_DSCR_CMD0_PSC3_RX,
        .flags  = IORESOURCE_DMA,
    },
};

static struct platform_device db1300_i2c_dev = {
    .name       = "au1xpsc_smbus",
    .id     = 0,    /* bus number */
    .num_resources  = ARRAY_SIZE(au1300_psc3_res),
    .resource   = au1300_psc3_res,
};

/**********************************************************************/

/* proper key assignments when facing the LCD panel.  For key assignments
 * according to the schematics swap up with down and left with right.
 * I chose to use it to emulate the arrow keys of a keyboard.
 */
static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
    {
        .code           = KEY_DOWN,
        .gpio           = AU1300_PIN_LCDPWM0,
        .type           = EV_KEY,
        .debounce_interval  = 1,
        .active_low     = 1,
        .desc           = "5waysw-down",
    },
    {
        .code           = KEY_UP,
        .gpio           = AU1300_PIN_PSC2SYNC1,
        .type           = EV_KEY,
        .debounce_interval  = 1,
        .active_low     = 1,
        .desc           = "5waysw-up",
    },
    {
        .code           = KEY_RIGHT,
        .gpio           = AU1300_PIN_WAKE3,
        .type           = EV_KEY,
        .debounce_interval  = 1,
        .active_low     = 1,
        .desc           = "5waysw-right",
    },
    {
        .code           = KEY_LEFT,
        .gpio           = AU1300_PIN_WAKE2,
        .type           = EV_KEY,
        .debounce_interval  = 1,
        .active_low     = 1,
        .desc           = "5waysw-left",
    },
    {
        .code           = KEY_ENTER,
        .gpio           = AU1300_PIN_WAKE1,
        .type           = EV_KEY,
        .debounce_interval  = 1,
        .active_low     = 1,
        .desc           = "5waysw-push",
    },
};

static struct gpio_keys_platform_data db1300_5waysw_data = {
    .buttons    = db1300_5waysw_arrowkeys,
    .nbuttons   = ARRAY_SIZE(db1300_5waysw_arrowkeys),
    .rep        = 1,
    .name       = "db1300-5wayswitch",
};

static struct platform_device db1300_5waysw_dev = {
    .name       = "gpio-keys",
    .dev    = {
        .platform_data  = &db1300_5waysw_data,
    },
};

/**********************************************************************/

static struct pata_platform_info db1300_ide_info = {
    .ioport_shift   = DB1300_IDE_REG_SHIFT,
};

#define IDE_ALT_START   (14 << DB1300_IDE_REG_SHIFT)
static struct resource db1300_ide_res[] = {
    [0] = {
        .start  = DB1300_IDE_PHYS_ADDR,
        .end    = DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
        .end    = DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
        .flags  = IORESOURCE_MEM,
    },
    [2] = {
        .start  = DB1300_IDE_INT,
        .end    = DB1300_IDE_INT,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device db1300_ide_dev = {
    .dev    = {
        .platform_data  = &db1300_ide_info,
    },
    .name       = "pata_platform",
    .resource   = db1300_ide_res,
    .num_resources  = ARRAY_SIZE(db1300_ide_res),
};

/**********************************************************************/

static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
{
    void(*mmc_cd)(struct mmc_host *, unsigned long);

    /* disable the one currently screaming. No other way to shut it up */
    if (irq == DB1300_SD1_INSERT_INT) {
        disable_irq_nosync(DB1300_SD1_INSERT_INT);
        enable_irq(DB1300_SD1_EJECT_INT);
    } else {
        disable_irq_nosync(DB1300_SD1_EJECT_INT);
        enable_irq(DB1300_SD1_INSERT_INT);
    }

    /* link against CONFIG_MMC=m.  We can only be called once MMC core has
     * initialized the controller, so symbol_get() should always succeed.
     */
    mmc_cd = symbol_get(mmc_detect_change);
    mmc_cd(ptr, msecs_to_jiffies(500));
    symbol_put(mmc_detect_change);

    return IRQ_HANDLED;
}

static int db1300_mmc_card_readonly(void *mmc_host)
{
    /* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
    return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
}

static int db1300_mmc_card_inserted(void *mmc_host)
{
    return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
}

static int db1300_mmc_cd_setup(void *mmc_host, int en)
{
    int ret;

    if (en) {
        ret = request_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 0,
                  "sd_insert", mmc_host);
        if (ret)
            goto out;

        ret = request_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 0,
                  "sd_eject", mmc_host);
        if (ret) {
            free_irq(DB1300_SD1_INSERT_INT, mmc_host);
            goto out;
        }

        if (db1300_mmc_card_inserted(mmc_host))
            enable_irq(DB1300_SD1_EJECT_INT);
        else
            enable_irq(DB1300_SD1_INSERT_INT);

    } else {
        free_irq(DB1300_SD1_INSERT_INT, mmc_host);
        free_irq(DB1300_SD1_EJECT_INT, mmc_host);
    }
    ret = 0;
out:
    return ret;
}

static void db1300_mmcled_set(struct led_classdev *led,
                  enum led_brightness brightness)
{
    if (brightness != LED_OFF)
        bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
    else
        bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
}

static struct led_classdev db1300_mmc_led = {
    .brightness_set = db1300_mmcled_set,
};

struct au1xmmc_platform_data db1300_sd1_platdata = {
    .cd_setup   = db1300_mmc_cd_setup,
    .card_inserted  = db1300_mmc_card_inserted,
    .card_readonly  = db1300_mmc_card_readonly,
    .led        = &db1300_mmc_led,
};

static struct resource au1300_sd1_res[] = {
    [0] = {
        .start  = AU1300_SD1_PHYS_ADDR,
        .end    = AU1300_SD1_PHYS_ADDR,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = AU1300_SD1_INT,
        .end    = AU1300_SD1_INT,
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        .start  = AU1300_DSCR_CMD0_SDMS_TX1,
        .end    = AU1300_DSCR_CMD0_SDMS_TX1,
        .flags  = IORESOURCE_DMA,
    },
    [3] = {
        .start  = AU1300_DSCR_CMD0_SDMS_RX1,
        .end    = AU1300_DSCR_CMD0_SDMS_RX1,
        .flags  = IORESOURCE_DMA,
    },
};

static struct platform_device db1300_sd1_dev = {
    .dev = {
        .platform_data  = &db1300_sd1_platdata,
    },
    .name       = "au1xxx-mmc",
    .id     = 1,
    .resource   = au1300_sd1_res,
    .num_resources  = ARRAY_SIZE(au1300_sd1_res),
};

/**********************************************************************/

static int db1300_movinand_inserted(void *mmc_host)
{
    return 0; /* disable for now, it doesn't work yet */
}

static int db1300_movinand_readonly(void *mmc_host)
{
    return 0;
}

static void db1300_movinand_led_set(struct led_classdev *led,
                    enum led_brightness brightness)
{
    if (brightness != LED_OFF)
        bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
    else
        bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
}

static struct led_classdev db1300_movinand_led = {
    .brightness_set     = db1300_movinand_led_set,
};

struct au1xmmc_platform_data db1300_sd0_platdata = {
    .card_inserted      = db1300_movinand_inserted,
    .card_readonly      = db1300_movinand_readonly,
    .led            = &db1300_movinand_led,
    .mask_host_caps     = MMC_CAP_NEEDS_POLL,
};

static struct resource au1300_sd0_res[] = {
    [0] = {
        .start  = AU1100_SD0_PHYS_ADDR,
        .end    = AU1100_SD0_PHYS_ADDR,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = AU1300_SD0_INT,
        .end    = AU1300_SD0_INT,
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        .start  = AU1300_DSCR_CMD0_SDMS_TX0,
        .end    = AU1300_DSCR_CMD0_SDMS_TX0,
        .flags  = IORESOURCE_DMA,
    },
    [3] = {
        .start  = AU1300_DSCR_CMD0_SDMS_RX0,
        .end    = AU1300_DSCR_CMD0_SDMS_RX0,
        .flags  = IORESOURCE_DMA,
    },
};

static struct platform_device db1300_sd0_dev = {
    .dev = {
        .platform_data  = &db1300_sd0_platdata,
    },
    .name       = "au1xxx-mmc",
    .id     = 0,
    .resource   = au1300_sd0_res,
    .num_resources  = ARRAY_SIZE(au1300_sd0_res),
};

/**********************************************************************/

static struct platform_device db1300_wm9715_dev = {
    .name       = "wm9712-codec",
    .id     = 1,    /* ID of PSC for AC97 audio, see asoc glue! */
};

static struct platform_device db1300_ac97dma_dev = {
    .name       = "au1xpsc-pcm",
    .id     = 1,    /* PSC ID */
};

static struct platform_device db1300_i2sdma_dev = {
    .name       = "au1xpsc-pcm",
    .id     = 2,    /* PSC ID */
};

static struct platform_device db1300_sndac97_dev = {
    .name       = "db1300-ac97",
};

static struct platform_device db1300_sndi2s_dev = {
    .name       = "db1300-i2s",
};

/**********************************************************************/

static int db1300fb_panel_index(void)
{
    return 9;   /* DB1300_800x480 */
}

static int db1300fb_panel_init(void)
{
    /* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
    bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
                 BCSR_BOARD_LCDBL);
    return 0;
}

static int db1300fb_panel_shutdown(void)
{
    /* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
    bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
                 BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
    return 0;
}

static struct au1200fb_platdata db1300fb_pd = {
    .panel_index    = db1300fb_panel_index,
    .panel_init = db1300fb_panel_init,
    .panel_shutdown = db1300fb_panel_shutdown,
};

static struct resource au1300_lcd_res[] = {
    [0] = {
        .start  = AU1200_LCD_PHYS_ADDR,
        .end    = AU1200_LCD_PHYS_ADDR + 0x800 - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = AU1300_LCD_INT,
        .end    = AU1300_LCD_INT,
        .flags  = IORESOURCE_IRQ,
    }
};

static u64 au1300_lcd_dmamask = DMA_BIT_MASK(32);

static struct platform_device db1300_lcd_dev = {
    .name       = "au1200-lcd",
    .id     = 0,
    .dev = {
        .dma_mask       = &au1300_lcd_dmamask,
        .coherent_dma_mask  = DMA_BIT_MASK(32),
        .platform_data      = &db1300fb_pd,
    },
    .num_resources  = ARRAY_SIZE(au1300_lcd_res),
    .resource   = au1300_lcd_res,
};

/**********************************************************************/

static struct platform_device *db1300_dev[] __initdata = {
    &db1300_eth_dev,
    &db1300_i2c_dev,
    &db1300_5waysw_dev,
    &db1300_nand_dev,
    &db1300_ide_dev,
    &db1300_sd0_dev,
    &db1300_sd1_dev,
    &db1300_lcd_dev,
    &db1300_ac97_dev,
    &db1300_i2s_dev,
    &db1300_wm9715_dev,
    &db1300_ac97dma_dev,
    &db1300_i2sdma_dev,
    &db1300_sndac97_dev,
    &db1300_sndi2s_dev,
};

int __init db1300_dev_setup(void)
{
    int swapped, cpldirq;

    /* setup CPLD IRQ muxer */
    cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
    irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
    bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);

    /* insert/eject IRQs: one always triggers so don't enable them
     * when doing request_irq() on them.  DB1200 has this bug too.
     */
    irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
    irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
    irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
    irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);

    /*
     * setup board
     */
    prom_get_ethernet_addr(&db1300_eth_config.mac[0]);

    i2c_register_board_info(0, db1300_i2c_devs,
                ARRAY_SIZE(db1300_i2c_devs));

    /* Audio PSC clock is supplied by codecs (PSC1, 2) */
    __raw_writel(PSC_SEL_CLK_SERCLK,
        (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
    wmb();
    __raw_writel(PSC_SEL_CLK_SERCLK,
        (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
    wmb();
    /* I2C uses internal 48MHz EXTCLK1 */
    __raw_writel(PSC_SEL_CLK_INTCLK,
        (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
    wmb();

    /* enable power to USB ports */
    bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);

    /* although it is socket #0, it uses the CPLD bits which previous boards
     * have used for socket #1.
     */
    db1x_register_pcmcia_socket(
        AU1000_PCMCIA_ATTR_PHYS_ADDR,
        AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
        AU1000_PCMCIA_MEM_PHYS_ADDR,
        AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
        AU1000_PCMCIA_IO_PHYS_ADDR,
        AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
        DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);

    swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
    db1x_register_norflash(64 << 20, 2, swapped);

    return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
}


int __init db1300_board_setup(void)
{
    unsigned short whoami;

    db1300_gpio_config();
    bcsr_init(DB1300_BCSR_PHYS_ADDR,
          DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);

    whoami = bcsr_read(BCSR_WHOAMI);
    printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
        "BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
        BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
        BCSR_WHOAMI_DCID(whoami));

    /* enable UARTs, YAMON only enables #2 */
    alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
    alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
    alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);

    return 0;
}