diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/platform/geode/net5501.c')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/platform/geode/net5501.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/ANDROID_3.4.5/arch/x86/platform/geode/net5501.c b/ANDROID_3.4.5/arch/x86/platform/geode/net5501.c deleted file mode 100644 index 646e3b5b..00000000 --- a/ANDROID_3.4.5/arch/x86/platform/geode/net5501.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * System Specific setup for Soekris net5501 - * At the moment this means setup of GPIO control of LEDs and buttons - * on net5501 boards. - * - * - * Copyright (C) 2008-2009 Tower Technologies - * Written by Alessandro Zummo <a.zummo@towertech.it> - * - * Copyright (C) 2008 Constantin Baranov <const@mimas.ru> - * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com> - * and Philip Prindeville <philipp@redfish-solutions.com> - * - * 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/module.h> -#include <linux/leds.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <linux/input.h> -#include <linux/gpio_keys.h> - -#include <asm/geode.h> - -#define BIOS_REGION_BASE 0xffff0000 -#define BIOS_REGION_SIZE 0x00010000 - -static struct gpio_keys_button net5501_gpio_buttons[] = { - { - .code = KEY_RESTART, - .gpio = 24, - .active_low = 1, - .desc = "Reset button", - .type = EV_KEY, - .wakeup = 0, - .debounce_interval = 100, - .can_disable = 0, - } -}; -static struct gpio_keys_platform_data net5501_buttons_data = { - .buttons = net5501_gpio_buttons, - .nbuttons = ARRAY_SIZE(net5501_gpio_buttons), - .poll_interval = 20, -}; - -static struct platform_device net5501_buttons_dev = { - .name = "gpio-keys-polled", - .id = 1, - .dev = { - .platform_data = &net5501_buttons_data, - } -}; - -static struct gpio_led net5501_leds[] = { - { - .name = "net5501:1", - .gpio = 6, - .default_trigger = "default-on", - .active_low = 0, - }, -}; - -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 struct __initdata platform_device *net5501_devs[] = { - &net5501_buttons_dev, - &net5501_leds_dev, -}; - -static void __init register_net5501(void) -{ - /* Setup LED control through leds-gpio driver */ - platform_add_devices(net5501_devs, ARRAY_SIZE(net5501_devs)); -} - -struct net5501_board { - u16 offset; - u16 len; - char *sig; -}; - -static struct net5501_board __initdata boards[] = { - { 0xb7b, 7, "net5501" }, /* net5501 v1.33/1.33c */ - { 0xb1f, 7, "net5501" }, /* net5501 v1.32i */ -}; - -static bool __init net5501_present(void) -{ - int i; - unsigned char *rombase, *bios; - bool found = false; - - rombase = ioremap(BIOS_REGION_BASE, BIOS_REGION_SIZE - 1); - if (!rombase) { - printk(KERN_ERR "%s: failed to get rombase\n", KBUILD_MODNAME); - return found; - } - - bios = rombase + 0x20; /* null terminated */ - - if (memcmp(bios, "comBIOS", 7)) - goto unmap; - - for (i = 0; i < ARRAY_SIZE(boards); i++) { - unsigned char *model = rombase + boards[i].offset; - - if (!memcmp(model, boards[i].sig, boards[i].len)) { - printk(KERN_INFO "%s: system is recognized as \"%s\"\n", - KBUILD_MODNAME, model); - - found = true; - break; - } - } - -unmap: - iounmap(rombase); - return found; -} - -static int __init net5501_init(void) -{ - if (!is_geode()) - return 0; - - if (!net5501_present()) - return 0; - - register_net5501(); - - return 0; -} - -module_init(net5501_init); - -MODULE_AUTHOR("Philip Prindeville <philipp@redfish-solutions.com>"); -MODULE_DESCRIPTION("Soekris net5501 System Setup"); -MODULE_LICENSE("GPL"); |