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 #include <linux/gpio.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/io.h>
16 #include <linux/smc91x.h>
17
18 #include <mach/hardware.h>
19
20 #include <plat/board.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 smc91x_platdata smc91x_info = {
28 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
29 .leda = RPC_LED_100_10,
30 .ledb = RPC_LED_TX_RX,
31 };
32
33 static struct resource smc91x_resources[] = {
34 [0] = {
35 .flags = IORESOURCE_MEM,
36 },
37 [1] = {
38 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
39 },
40 };
41
42 static struct platform_device smc91x_device = {
43 .name = "smc91x",
44 .id = -1,
45 .dev = {
46 .platform_data = &smc91x_info,
47 },
48 .num_resources = ARRAY_SIZE(smc91x_resources),
49 .resource = smc91x_resources,
50 };
51
52 static struct resource led_resources[] = {
53 [0] = {
54 .flags = IORESOURCE_MEM,
55 },
56 };
57
58 static struct platform_device led_device = {
59 .name = "omap_dbg_led",
60 .id = -1,
61 .num_resources = ARRAY_SIZE(led_resources),
62 .resource = led_resources,
63 };
64
65 static struct platform_device *debug_devices[] __initdata = {
66 &smc91x_device,
67 &led_device,
68 /* ps2 kbd + mouse ports */
69 /* 4 extra uarts */
70 /* 6 input dip switches */
71 /* 8 output pins */
72 };
73
debug_card_init(u32 addr,unsigned gpio)74 int __init debug_card_init(u32 addr, unsigned gpio)
75 {
76 int status;
77
78 smc91x_resources[0].start = addr + 0x300;
79 smc91x_resources[0].end = addr + 0x30f;
80
81 smc91x_resources[1].start = gpio_to_irq(gpio);
82 smc91x_resources[1].end = gpio_to_irq(gpio);
83
84 status = gpio_request(gpio, "SMC91x irq");
85 if (status < 0) {
86 printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);
87 return status;
88 }
89 gpio_direction_input(gpio);
90
91 led_resources[0].start = addr;
92 led_resources[0].end = addr + SZ_4K - 1;
93
94 return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices));
95 }
96