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dev-usb.c

/* linux/arch/arm/plat-s3c/dev-usb.c
 *
 * Copyright 2008 Simtec Electronics
 *    Ben Dooks <ben@simtec.co.uk>
 *    http://armlinux.simtec.co.uk/
 *
 * S3C series device definition for USB host
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/gfp.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/platform_device.h>

#include <mach/irqs.h>
#include <mach/map.h>

#include <plat/devs.h>
#include <plat/usb-control.h>

static struct resource s3c_usb_resource[] = {
      [0] = {
            .start = S3C_PA_USBHOST,
            .end   = S3C_PA_USBHOST + 0x100 - 1,
            .flags = IORESOURCE_MEM,
      },
      [1] = {
            .start = IRQ_USBH,
            .end   = IRQ_USBH,
            .flags = IORESOURCE_IRQ,
      }
};

static u64 s3c_device_usb_dmamask = 0xffffffffUL;

struct platform_device s3c_device_ohci = {
      .name         = "s3c2410-ohci",
      .id           = -1,
      .num_resources      = ARRAY_SIZE(s3c_usb_resource),
      .resource     = s3c_usb_resource,
      .dev              = {
            .dma_mask = &s3c_device_usb_dmamask,
            .coherent_dma_mask = 0xffffffffUL
      }
};

EXPORT_SYMBOL(s3c_device_ohci);

/**
 * s3c_ohci_set_platdata - initialise OHCI device platform data
 * @info: The platform data.
 *
 * This call copies the @info passed in and sets the device .platform_data
 * field to that copy. The @info is copied so that the original can be marked
 * __initdata.
 */
void __init s3c_ohci_set_platdata(struct s3c2410_hcd_info *info)
{
      struct s3c2410_hcd_info *npd;

      npd = kmemdup(info, sizeof(struct s3c2410_hcd_info), GFP_KERNEL);
      if (!npd)
            printk(KERN_ERR "%s: no memory for platform data\n", __func__);

      s3c_device_ohci.dev.platform_data = npd;
}

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