platform.c

Go to the documentation of this file.

/*
 *  Copyright (C) 2007-2009 Geert Uytterhoeven
 *
 * 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/err.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/zorro.h>

#include <asm/amigahw.h>
#include <asm/amigayle.h>


#ifdef CONFIG_ZORRO

static const struct resource zorro_resources[] __initconst = {
    /* Zorro II regions (on Zorro II/III) */
    {
        .name   = "Zorro II exp",
        .start  = 0x00e80000,
        .end    = 0x00efffff,
        .flags  = IORESOURCE_MEM,
    }, {
        .name   = "Zorro II mem",
        .start  = 0x00200000,
        .end    = 0x009fffff,
        .flags  = IORESOURCE_MEM,
    },
    /* Zorro III regions (on Zorro III only) */
    {
        .name   = "Zorro III exp",
        .start  = 0xff000000,
        .end    = 0xffffffff,
        .flags  = IORESOURCE_MEM,
    }, {
        .name   = "Zorro III cfg",
        .start  = 0x40000000,
        .end    = 0x7fffffff,
        .flags  = IORESOURCE_MEM,
    }
};


static int __init amiga_init_bus(void)
{
    struct platform_device *pdev;
    unsigned int n;

    if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
        return -ENODEV;

    n = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2;
    pdev = platform_device_register_simple("amiga-zorro", -1,
                           zorro_resources, n);
    return PTR_RET(pdev);
}

subsys_initcall(amiga_init_bus);


static int __init z_dev_present(zorro_id id)
{
    unsigned int i;

    for (i = 0; i < zorro_num_autocon; i++)
        if (zorro_autocon[i].rom.er_Manufacturer == ZORRO_MANUF(id) &&
            zorro_autocon[i].rom.er_Product == ZORRO_PROD(id))
            return 1;

    return 0;
}

#else /* !CONFIG_ZORRO */

static inline int z_dev_present(zorro_id id) { return 0; }

#endif /* !CONFIG_ZORRO */


static const struct resource a3000_scsi_resource __initconst = {
    .start  = 0xdd0000,
    .end    = 0xdd00ff,
    .flags  = IORESOURCE_MEM,
};


static const struct resource a4000t_scsi_resource __initconst = {
    .start  = 0xdd0000,
    .end    = 0xdd0fff,
    .flags  = IORESOURCE_MEM,
};


static const struct resource a1200_ide_resource __initconst = {
    .start  = 0xda0000,
    .end    = 0xda1fff,
    .flags  = IORESOURCE_MEM,
};

static const struct gayle_ide_platform_data a1200_ide_pdata __initconst = {
    .base       = 0xda0000,
    .irqport    = 0xda9000,
    .explicit_ack   = 1,
};


static const struct resource a4000_ide_resource __initconst = {
    .start  = 0xdd2000,
    .end    = 0xdd3fff,
    .flags  = IORESOURCE_MEM,
};

static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = {
    .base       = 0xdd2020,
    .irqport    = 0xdd3020,
    .explicit_ack   = 0,
};


static const struct resource amiga_rtc_resource __initconst = {
    .start  = 0x00dc0000,
    .end    = 0x00dcffff,
    .flags  = IORESOURCE_MEM,
};


static int __init amiga_init_devices(void)
{
    struct platform_device *pdev;
    int error;

    if (!MACH_IS_AMIGA)
        return -ENODEV;

    /* video hardware */
    if (AMIGAHW_PRESENT(AMI_VIDEO)) {
        pdev = platform_device_register_simple("amiga-video", -1, NULL,
                               0);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }


    /* sound hardware */
    if (AMIGAHW_PRESENT(AMI_AUDIO)) {
        pdev = platform_device_register_simple("amiga-audio", -1, NULL,
                               0);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }


    /* storage interfaces */
    if (AMIGAHW_PRESENT(AMI_FLOPPY)) {
        pdev = platform_device_register_simple("amiga-floppy", -1,
                               NULL, 0);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }

    if (AMIGAHW_PRESENT(A3000_SCSI)) {
        pdev = platform_device_register_simple("amiga-a3000-scsi", -1,
                               &a3000_scsi_resource, 1);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }

    if (AMIGAHW_PRESENT(A4000_SCSI)) {
        pdev = platform_device_register_simple("amiga-a4000t-scsi", -1,
                               &a4000t_scsi_resource,
                               1);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }

    if (AMIGAHW_PRESENT(A1200_IDE) ||
        z_dev_present(ZORRO_PROD_MTEC_VIPER_MK_V_E_MATRIX_530_SCSI_IDE)) {
        pdev = platform_device_register_simple("amiga-gayle-ide", -1,
                               &a1200_ide_resource, 1);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
        error = platform_device_add_data(pdev, &a1200_ide_pdata,
                         sizeof(a1200_ide_pdata));
        if (error)
            return error;
    }

    if (AMIGAHW_PRESENT(A4000_IDE)) {
        pdev = platform_device_register_simple("amiga-gayle-ide", -1,
                               &a4000_ide_resource, 1);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
        error = platform_device_add_data(pdev, &a4000_ide_pdata,
                         sizeof(a4000_ide_pdata));
        if (error)
            return error;
    }


    /* other I/O hardware */
    if (AMIGAHW_PRESENT(AMI_KEYBOARD)) {
        pdev = platform_device_register_simple("amiga-keyboard", -1,
                               NULL, 0);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }

    if (AMIGAHW_PRESENT(AMI_MOUSE)) {
        pdev = platform_device_register_simple("amiga-mouse", -1, NULL,
                               0);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }

    if (AMIGAHW_PRESENT(AMI_SERIAL)) {
        pdev = platform_device_register_simple("amiga-serial", -1,
                               NULL, 0);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }

    if (AMIGAHW_PRESENT(AMI_PARALLEL)) {
        pdev = platform_device_register_simple("amiga-parallel", -1,
                               NULL, 0);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }


    /* real time clocks */
    if (AMIGAHW_PRESENT(A2000_CLK)) {
        pdev = platform_device_register_simple("rtc-msm6242", -1,
                               &amiga_rtc_resource, 1);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }

    if (AMIGAHW_PRESENT(A3000_CLK)) {
        pdev = platform_device_register_simple("rtc-rp5c01", -1,
                               &amiga_rtc_resource, 1);
        if (IS_ERR(pdev))
            return PTR_ERR(pdev);
    }

    return 0;
}

arch_initcall(amiga_init_devices);