setup.c

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/*
 * arch/sh/boards/mach-x3proto/setup.c
 *
 * Renesas SH-X3 Prototype Board Support.
 *
 * Copyright (C) 2007 - 2010  Paul Mundt
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/smc91x.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/usb/r8a66597.h>
#include <linux/usb/m66592.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <mach/ilsel.h>
#include <mach/hardware.h>
#include <asm/smp-ops.h>

static struct resource heartbeat_resources[] = {
    [0] = {
        .start  = 0xb8140020,
        .end    = 0xb8140020,
        .flags  = IORESOURCE_MEM,
    },
};

static struct platform_device heartbeat_device = {
    .name       = "heartbeat",
    .id     = -1,
    .num_resources  = ARRAY_SIZE(heartbeat_resources),
    .resource   = heartbeat_resources,
};

static struct smc91x_platdata smc91x_info = {
    .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
};

static struct resource smc91x_resources[] = {
    [0] = {
        .start      = 0x18000300,
        .end        = 0x18000300 + 0x10 - 1,
        .flags      = IORESOURCE_MEM,
    },
    [1] = {
        /* Filled in by ilsel */
        .flags      = IORESOURCE_IRQ,
    },
};

static struct platform_device smc91x_device = {
    .name       = "smc91x",
    .id     = -1,
    .resource   = smc91x_resources,
    .num_resources  = ARRAY_SIZE(smc91x_resources),
    .dev    = {
        .platform_data = &smc91x_info,
    },
};

static struct r8a66597_platdata r8a66597_data = {
    .xtal = R8A66597_PLATDATA_XTAL_12MHZ,
    .vif = 1,
};

static struct resource r8a66597_usb_host_resources[] = {
    [0] = {
        .start  = 0x18040000,
        .end    = 0x18080000 - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        /* Filled in by ilsel */
        .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
    },
};

static struct platform_device r8a66597_usb_host_device = {
    .name       = "r8a66597_hcd",
    .id     = -1,
    .dev = {
        .dma_mask       = NULL,     /* don't use dma */
        .coherent_dma_mask  = 0xffffffff,
        .platform_data      = &r8a66597_data,
    },
    .num_resources  = ARRAY_SIZE(r8a66597_usb_host_resources),
    .resource   = r8a66597_usb_host_resources,
};

static struct m66592_platdata usbf_platdata = {
    .xtal = M66592_PLATDATA_XTAL_24MHZ,
    .vif = 1,
};

static struct resource m66592_usb_peripheral_resources[] = {
    [0] = {
        .name   = "m66592_udc",
        .start  = 0x18080000,
        .end    = 0x180c0000 - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .name   = "m66592_udc",
        /* Filled in by ilsel */
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device m66592_usb_peripheral_device = {
    .name       = "m66592_udc",
    .id     = -1,
    .dev = {
        .dma_mask       = NULL,     /* don't use dma */
        .coherent_dma_mask  = 0xffffffff,
        .platform_data      = &usbf_platdata,
    },
    .num_resources  = ARRAY_SIZE(m66592_usb_peripheral_resources),
    .resource   = m66592_usb_peripheral_resources,
};

static struct gpio_keys_button baseboard_buttons[NR_BASEBOARD_GPIOS] = {
    {
        .desc       = "key44",
        .code       = KEY_POWER,
        .active_low = 1,
        .wakeup     = 1,
    }, {
        .desc       = "key43",
        .code       = KEY_SUSPEND,
        .active_low = 1,
        .wakeup     = 1,
    }, {
        .desc       = "key42",
        .code       = KEY_KATAKANAHIRAGANA,
        .active_low = 1,
    }, {
        .desc       = "key41",
        .code       = KEY_SWITCHVIDEOMODE,
        .active_low = 1,
    }, {
        .desc       = "key34",
        .code       = KEY_F12,
        .active_low = 1,
    }, {
        .desc       = "key33",
        .code       = KEY_F11,
        .active_low = 1,
    }, {
        .desc       = "key32",
        .code       = KEY_F10,
        .active_low = 1,
    }, {
        .desc       = "key31",
        .code       = KEY_F9,
        .active_low = 1,
    }, {
        .desc       = "key24",
        .code       = KEY_F8,
        .active_low = 1,
    }, {
        .desc       = "key23",
        .code       = KEY_F7,
        .active_low = 1,
    }, {
        .desc       = "key22",
        .code       = KEY_F6,
        .active_low = 1,
    }, {
        .desc       = "key21",
        .code       = KEY_F5,
        .active_low = 1,
    }, {
        .desc       = "key14",
        .code       = KEY_F4,
        .active_low = 1,
    }, {
        .desc       = "key13",
        .code       = KEY_F3,
        .active_low = 1,
    }, {
        .desc       = "key12",
        .code       = KEY_F2,
        .active_low = 1,
    }, {
        .desc       = "key11",
        .code       = KEY_F1,
        .active_low = 1,
    },
};

static struct gpio_keys_platform_data baseboard_buttons_data = {
    .buttons    = baseboard_buttons,
    .nbuttons   = ARRAY_SIZE(baseboard_buttons),
};

static struct platform_device baseboard_buttons_device = {
    .name       = "gpio-keys",
    .id     = -1,
    .dev        = {
        .platform_data  = &baseboard_buttons_data,
    },
};

static struct platform_device *x3proto_devices[] __initdata = {
    &heartbeat_device,
    &smc91x_device,
    &r8a66597_usb_host_device,
    &m66592_usb_peripheral_device,
    &baseboard_buttons_device,
};

static void __init x3proto_init_irq(void)
{
    plat_irq_setup_pins(IRQ_MODE_IRL3210);

    /* Set ICR0.LVLMODE */
    __raw_writel(__raw_readl(0xfe410000) | (1 << 21), 0xfe410000);
}

static int __init x3proto_devices_setup(void)
{
    int ret, i;

    /*
     * IRLs are only needed for ILSEL mappings, so flip over the INTC
     * pins at a later point to enable the GPIOs to settle.
     */
    x3proto_init_irq();

    /*
     * Now that ILSELs are available, set up the baseboard GPIOs.
     */
    ret = x3proto_gpio_setup();
    if (unlikely(ret))
        return ret;

    /*
     * Propagate dynamic GPIOs for the baseboard button device.
     */
    for (i = 0; i < ARRAY_SIZE(baseboard_buttons); i++)
        baseboard_buttons[i].gpio = x3proto_gpio_chip.base + i;

    r8a66597_usb_host_resources[1].start =
        r8a66597_usb_host_resources[1].end = ilsel_enable(ILSEL_USBH_I);

    m66592_usb_peripheral_resources[1].start =
        m66592_usb_peripheral_resources[1].end = ilsel_enable(ILSEL_USBP_I);

    smc91x_resources[1].start =
        smc91x_resources[1].end = ilsel_enable(ILSEL_LAN);

    return platform_add_devices(x3proto_devices,
                    ARRAY_SIZE(x3proto_devices));
}
device_initcall(x3proto_devices_setup);

static void __init x3proto_setup(char **cmdline_p)
{
    register_smp_ops(&shx3_smp_ops);
}

static struct sh_machine_vector mv_x3proto __initmv = {
    .mv_name        = "x3proto",
    .mv_setup       = x3proto_setup,
};