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
25 static 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
38 static u64 s3c_device_usb_dmamask = 0xffffffffUL;
39
40 struct 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
51 EXPORT_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 */
s3c_ohci_set_platdata(struct s3c2410_hcd_info * info)61 void __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