setup.c

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/*
 * linux/arch/sh/boards/lbox/setup.c
 *
 * Copyright (C) 2007 Nobuhiro Iwamatsu
 *
 * NTT COMWARE L-BOX RE2 Support
 *
 * 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/ata_platform.h>
#include <asm/machvec.h>
#include <asm/addrspace.h>
#include <mach/lboxre2.h>
#include <asm/io.h>

static struct resource cf_ide_resources[] = {
    [0] = {
        .start  = 0x1f0,
        .end    = 0x1f0 + 8 ,
        .flags  = IORESOURCE_IO,
    },
    [1] = {
        .start  = 0x1f0 + 0x206,
        .end    = 0x1f0 +8 + 0x206 + 8,
        .flags  = IORESOURCE_IO,
    },
    [2] = {
        .start  = IRQ_CF0,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device cf_ide_device  = {
    .name           = "pata_platform",
    .id             = -1,
    .num_resources  = ARRAY_SIZE(cf_ide_resources),
    .resource       = cf_ide_resources,
};

static struct platform_device *lboxre2_devices[] __initdata = {
       &cf_ide_device,
};

static int __init lboxre2_devices_setup(void)
{
    u32 cf0_io_base;    /* Boot CF base address */
    pgprot_t prot;
    unsigned long paddrbase, psize;

    /* open I/O area window */
    paddrbase = virt_to_phys((void*)PA_AREA5_IO);
    psize = PAGE_SIZE;
    prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
    cf0_io_base = (u32)ioremap_prot(paddrbase, psize, pgprot_val(prot));
    if (!cf0_io_base) {
        printk(KERN_ERR "%s : can't open CF I/O window!\n" , __func__ );
        return -ENOMEM;
    }

    cf_ide_resources[0].start += cf0_io_base ;
    cf_ide_resources[0].end   += cf0_io_base ;
    cf_ide_resources[1].start += cf0_io_base ;
    cf_ide_resources[1].end   += cf0_io_base ;

    return platform_add_devices(lboxre2_devices,
            ARRAY_SIZE(lboxre2_devices));

}
device_initcall(lboxre2_devices_setup);

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_lboxre2 __initmv = {
    .mv_name        = "L-BOX RE2",
    .mv_init_irq        = init_lboxre2_IRQ,
};