87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/*
|
|
* linux/arch/arm/plat-omap/debug-devices.c
|
|
*
|
|
* Copyright (C) 2005 Nokia Corporation
|
|
* Modified from mach-omap2/board-h4.c
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <mach/hardware.h>
|
|
|
|
#include <mach/board.h>
|
|
#include <mach/gpio.h>
|
|
|
|
|
|
/* Many OMAP development platforms reuse the same "debug board"; these
|
|
* platforms include H2, H3, H4, and Perseus2.
|
|
*/
|
|
|
|
static struct resource smc91x_resources[] = {
|
|
[0] = {
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
|
|
},
|
|
};
|
|
|
|
static struct platform_device smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
.resource = smc91x_resources,
|
|
};
|
|
|
|
static struct resource led_resources[] = {
|
|
[0] = {
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device led_device = {
|
|
.name = "omap_dbg_led",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(led_resources),
|
|
.resource = led_resources,
|
|
};
|
|
|
|
static struct platform_device *debug_devices[] __initdata = {
|
|
&smc91x_device,
|
|
&led_device,
|
|
/* ps2 kbd + mouse ports */
|
|
/* 4 extra uarts */
|
|
/* 6 input dip switches */
|
|
/* 8 output pins */
|
|
};
|
|
|
|
int __init debug_card_init(u32 addr, unsigned gpio)
|
|
{
|
|
int status;
|
|
|
|
smc91x_resources[0].start = addr + 0x300;
|
|
smc91x_resources[0].end = addr + 0x30f;
|
|
|
|
smc91x_resources[1].start = gpio_to_irq(gpio);
|
|
smc91x_resources[1].end = gpio_to_irq(gpio);
|
|
|
|
status = gpio_request(gpio, "SMC91x irq");
|
|
if (status < 0) {
|
|
printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);
|
|
return status;
|
|
}
|
|
gpio_direction_input(gpio);
|
|
|
|
led_resources[0].start = addr;
|
|
led_resources[0].end = addr + SZ_4K - 1;
|
|
|
|
return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices));
|
|
}
|