aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-omap/debug-devices.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-omap/debug-devices.c')
-rw-r--r--arch/arm/plat-omap/debug-devices.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/debug-devices.c b/arch/arm/plat-omap/debug-devices.c
new file mode 100644
index 000000000000..83a5f8b91857
--- /dev/null
+++ b/arch/arm/plat-omap/debug-devices.c
@@ -0,0 +1,86 @@
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
27static struct resource smc91x_resources[] = {
28 [0] = {
29 .flags = IORESOURCE_MEM,
30 },
31 [1] = {
32 .flags = IORESOURCE_IRQ,
33 },
34};
35
36static struct platform_device smc91x_device = {
37 .name = "smc91x",
38 .id = -1,
39 .num_resources = ARRAY_SIZE(smc91x_resources),
40 .resource = smc91x_resources,
41};
42
43static struct resource led_resources[] = {
44 [0] = {
45 .flags = IORESOURCE_MEM,
46 },
47};
48
49static 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
56static 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
65int __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}