Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6] / arch / arm / plat-omap / debug-devices.c
1 /*
2  * linux/arch/arm/plat-omap/debug-devices.c
3  *
4  * Copyright (C) 2005 Nokia Corporation
5  * Modified from mach-omap2/board-h4.c
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15
16 #include <asm/hardware.h>
17 #include <asm/io.h>
18
19 #include <asm/arch/board.h>
20 #include <asm/arch/gpio.h>
21
22
23 /* Many OMAP development platforms reuse the same "debug board"; these
24  * platforms include H2, H3, H4, and Perseus2.
25  */
26
27 static struct resource smc91x_resources[] = {
28         [0] = {
29                 .flags  = IORESOURCE_MEM,
30         },
31         [1] = {
32                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
33         },
34 };
35
36 static struct platform_device smc91x_device = {
37         .name           = "smc91x",
38         .id             = -1,
39         .num_resources  = ARRAY_SIZE(smc91x_resources),
40         .resource       = smc91x_resources,
41 };
42
43 static struct resource led_resources[] = {
44         [0] = {
45                 .flags  = IORESOURCE_MEM,
46         },
47 };
48
49 static struct platform_device led_device = {
50         .name           = "omap_dbg_led",
51         .id             = -1,
52         .num_resources  = ARRAY_SIZE(led_resources),
53         .resource       = led_resources,
54 };
55
56 static struct platform_device *debug_devices[] __initdata = {
57         &smc91x_device,
58         &led_device,
59         /* ps2 kbd + mouse ports */
60         /* 4 extra uarts */
61         /* 6 input dip switches */
62         /* 8 output pins */
63 };
64
65 int __init debug_card_init(u32 addr, unsigned gpio)
66 {
67         int     status;
68
69         smc91x_resources[0].start = addr + 0x300;
70         smc91x_resources[0].end   = addr + 0x30f;
71
72         smc91x_resources[1].start = OMAP_GPIO_IRQ(gpio);
73         smc91x_resources[1].end   = OMAP_GPIO_IRQ(gpio);
74
75         status = omap_request_gpio(gpio);
76         if (status < 0) {
77                 printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);
78                 return status;
79         }
80         omap_set_gpio_direction(gpio, 1);
81
82         led_resources[0].start = addr;
83         led_resources[0].end   = addr + SZ_4K - 1;
84
85         return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices));
86 }