OpenCloudOS-Kernel/arch/arm/plat-samsung/dev-usb.c

71 lines
1.7 KiB
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;
}