Root/arch/arm/plat-samsung/dev-usb.c

1/* linux/arch/arm/plat-s3c/dev-usb.c
2 *
3 * Copyright 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series device definition for USB host
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/gfp.h>
15#include <linux/kernel.h>
16#include <linux/string.h>
17#include <linux/platform_device.h>
18
19#include <mach/irqs.h>
20#include <mach/map.h>
21
22#include <plat/devs.h>
23#include <plat/usb-control.h>
24
25static struct resource s3c_usb_resource[] = {
26    [0] = {
27        .start = S3C_PA_USBHOST,
28        .end = S3C_PA_USBHOST + 0x100 - 1,
29        .flags = IORESOURCE_MEM,
30    },
31    [1] = {
32        .start = IRQ_USBH,
33        .end = IRQ_USBH,
34        .flags = IORESOURCE_IRQ,
35    }
36};
37
38static u64 s3c_device_usb_dmamask = 0xffffffffUL;
39
40struct platform_device s3c_device_ohci = {
41    .name = "s3c2410-ohci",
42    .id = -1,
43    .num_resources = ARRAY_SIZE(s3c_usb_resource),
44    .resource = s3c_usb_resource,
45    .dev = {
46        .dma_mask = &s3c_device_usb_dmamask,
47        .coherent_dma_mask = 0xffffffffUL
48    }
49};
50
51EXPORT_SYMBOL(s3c_device_ohci);
52
53/**
54 * s3c_ohci_set_platdata - initialise OHCI device platform data
55 * @info: The platform data.
56 *
57 * This call copies the @info passed in and sets the device .platform_data
58 * field to that copy. The @info is copied so that the original can be marked
59 * __initdata.
60 */
61void __init s3c_ohci_set_platdata(struct s3c2410_hcd_info *info)
62{
63    struct s3c2410_hcd_info *npd;
64
65    npd = kmemdup(info, sizeof(struct s3c2410_hcd_info), GFP_KERNEL);
66    if (!npd)
67        printk(KERN_ERR "%s: no memory for platform data\n", __func__);
68
69    s3c_device_ohci.dev.platform_data = npd;
70}
71

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