54f4dedb53
A pending cleanup will mean that module.h won't be implicitly everywhere anymore. Make sure the modular drivers in the leds dir are actually calling out for <module.h> explicitly in advance. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
97 lines
2 KiB
C
97 lines
2 KiB
C
/*
|
|
* Soekris board support code
|
|
*
|
|
* Copyright (C) 2008-2009 Tower Technologies
|
|
* Written by Alessandro Zummo <a.zummo@towertech.it>
|
|
*
|
|
* 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/io.h>
|
|
#include <linux/string.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/module.h>
|
|
|
|
#include <asm/geode.h>
|
|
|
|
static const struct gpio_led net5501_leds[] = {
|
|
{
|
|
.name = "error",
|
|
.gpio = 6,
|
|
.default_trigger = "default-on",
|
|
},
|
|
};
|
|
|
|
static struct gpio_led_platform_data net5501_leds_data = {
|
|
.num_leds = ARRAY_SIZE(net5501_leds),
|
|
.leds = net5501_leds,
|
|
};
|
|
|
|
static struct platform_device net5501_leds_dev = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev.platform_data = &net5501_leds_data,
|
|
};
|
|
|
|
static void __init init_net5501(void)
|
|
{
|
|
platform_device_register(&net5501_leds_dev);
|
|
}
|
|
|
|
struct soekris_board {
|
|
u16 offset;
|
|
char *sig;
|
|
u8 len;
|
|
void (*init)(void);
|
|
};
|
|
|
|
static struct soekris_board __initdata boards[] = {
|
|
{ 0xb7b, "net5501", 7, init_net5501 }, /* net5501 v1.33/1.33c */
|
|
{ 0xb1f, "net5501", 7, init_net5501 }, /* net5501 v1.32i */
|
|
};
|
|
|
|
static int __init soekris_init(void)
|
|
{
|
|
int i;
|
|
unsigned char *rombase, *bios;
|
|
|
|
if (!is_geode())
|
|
return 0;
|
|
|
|
rombase = ioremap(0xffff0000, 0xffff);
|
|
if (!rombase) {
|
|
printk(KERN_INFO "Soekris net5501 LED driver failed to get rombase");
|
|
return 0;
|
|
}
|
|
|
|
bios = rombase + 0x20; /* null terminated */
|
|
|
|
if (strncmp(bios, "comBIOS", 7))
|
|
goto unmap;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(boards); i++) {
|
|
unsigned char *model = rombase + boards[i].offset;
|
|
|
|
if (strncmp(model, boards[i].sig, boards[i].len) == 0) {
|
|
printk(KERN_INFO "Soekris %s: %s\n", model, bios);
|
|
|
|
if (boards[i].init)
|
|
boards[i].init();
|
|
break;
|
|
}
|
|
}
|
|
|
|
unmap:
|
|
iounmap(rombase);
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(soekris_init);
|
|
|
|
MODULE_LICENSE("GPL");
|