提交 0929ac3e 编写于 作者: R Rod Whitby 提交者: Russell King

[ARM] 4807/2: ixp4xx: Merge nslu2-power.c into nslu2-setup.c

There is no reason to have power control in a separate file from the
board setup code.  Merge it back into the board setup file, removing
superfluous header includes and removing superfluous constants from
the machine header file.

--
Signed-off-by: NRod Whitby <rod@whitby.id.au>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
上级 b7edc84a
......@@ -23,7 +23,7 @@ obj-$(CONFIG_MACH_AVILA) += avila-setup.o
obj-$(CONFIG_MACH_IXDPG425) += coyote-setup.o
obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-setup.o
obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-setup.o
obj-$(CONFIG_MACH_NSLU2) += nslu2-setup.o nslu2-power.o
obj-$(CONFIG_MACH_NSLU2) += nslu2-setup.o
obj-$(CONFIG_MACH_NAS100D) += nas100d-setup.o nas100d-power.o
obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o dsmg600-power.o
obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o
......
/*
* arch/arm/mach-ixp4xx/nslu2-power.c
*
* NSLU2 Power/Reset driver
*
* Copyright (C) 2005 Tower Technologies
*
* based on nslu2-io.c
* Copyright (C) 2004 Karen Spearel
*
* Author: Alessandro Zummo <a.zummo@towertech.it>
* Maintainers: http://www.nslu2-linux.org/
*
* 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/module.h>
#include <linux/reboot.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <asm/mach-types.h>
static irqreturn_t nslu2_power_handler(int irq, void *dev_id)
{
/* Signal init to do the ctrlaltdel action, this will bypass init if
* it hasn't started and do a kernel_restart.
*/
ctrl_alt_del();
return IRQ_HANDLED;
}
static irqreturn_t nslu2_reset_handler(int irq, void *dev_id)
{
/* This is the paper-clip reset, it shuts the machine down directly.
*/
machine_power_off();
return IRQ_HANDLED;
}
static int __init nslu2_power_init(void)
{
if (!(machine_is_nslu2()))
return 0;
*IXP4XX_GPIO_GPISR = 0x20400000; /* read the 2 irqs to clr */
set_irq_type(NSLU2_RB_IRQ, IRQT_LOW);
set_irq_type(NSLU2_PB_IRQ, IRQT_HIGH);
if (request_irq(NSLU2_RB_IRQ, &nslu2_reset_handler,
IRQF_DISABLED, "NSLU2 reset button", NULL) < 0) {
printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
NSLU2_RB_IRQ);
return -EIO;
}
if (request_irq(NSLU2_PB_IRQ, &nslu2_power_handler,
IRQF_DISABLED, "NSLU2 power button", NULL) < 0) {
printk(KERN_DEBUG "Power Button IRQ %d not available\n",
NSLU2_PB_IRQ);
return -EIO;
}
return 0;
}
static void __exit nslu2_power_exit(void)
{
if (!(machine_is_nslu2()))
return;
free_irq(NSLU2_RB_IRQ, NULL);
free_irq(NSLU2_PB_IRQ, NULL);
}
module_init(nslu2_power_init);
module_exit(nslu2_power_exit);
MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
MODULE_DESCRIPTION("NSLU2 Power/Reset driver");
MODULE_LICENSE("GPL");
......@@ -3,22 +3,26 @@
*
* NSLU2 board-setup
*
* based ixdp425-setup.c:
* Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
*
* based on ixdp425-setup.c:
* Copyright (C) 2003-2004 MontaVista Software, Inc.
* based on nslu2-power.c:
* Copyright (C) 2005 Tower Technologies
*
* Author: Mark Rakes <mrakes at mac.com>
* Author: Rod Whitby <rod@whitby.id.au>
* Author: Alessandro Zummo <a.zummo@towertech.it>
* Maintainers: http://www.nslu2-linux.org/
*
* Fixed missing init_time in MACHINE_START kas11 10/22/04
* Changed to conform to new style __init ixdp425 kas11 10/22/04
*/
#include <linux/if_ether.h>
#include <linux/kernel.h>
#include <linux/irq.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/leds.h>
#include <linux/reboot.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
......@@ -27,6 +31,7 @@
#include <asm/mach/flash.h>
#include <asm/mach/time.h>
#include <asm/io.h>
#include <asm/gpio.h>
static struct flash_platform_data nslu2_flash_data = {
.map_name = "cfi_probe",
......@@ -181,6 +186,25 @@ static void nslu2_power_off(void)
gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH);
}
static irqreturn_t nslu2_power_handler(int irq, void *dev_id)
{
/* Signal init to do the ctrlaltdel action, this will bypass init if
* it hasn't started and do a kernel_restart.
*/
ctrl_alt_del();
return IRQ_HANDLED;
}
static irqreturn_t nslu2_reset_handler(int irq, void *dev_id)
{
/* This is the paper-clip reset, it shuts the machine down directly.
*/
machine_power_off();
return IRQ_HANDLED;
}
static void __init nslu2_timer_init(void)
{
/* The xtal on this machine is non-standard. */
......@@ -206,8 +230,6 @@ static void __init nslu2_init(void)
nslu2_flash_resource.end =
IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
pm_power_off = nslu2_power_off;
i2c_register_board_info(0, nslu2_i2c_board_info,
ARRAY_SIZE(nslu2_i2c_board_info));
......@@ -220,6 +242,23 @@ static void __init nslu2_init(void)
platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
pm_power_off = nslu2_power_off;
if (request_irq(gpio_to_irq(NSLU2_RB_GPIO), &nslu2_reset_handler,
IRQF_DISABLED | IRQF_TRIGGER_LOW,
"NSLU2 reset button", NULL) < 0) {
printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
gpio_to_irq(NSLU2_RB_GPIO));
}
if (request_irq(gpio_to_irq(NSLU2_PB_GPIO), &nslu2_power_handler,
IRQF_DISABLED | IRQF_TRIGGER_HIGH,
"NSLU2 power button", NULL) < 0) {
printk(KERN_DEBUG "Power Button IRQ %d not available\n",
gpio_to_irq(NSLU2_PB_GPIO));
}
/*
* Map in a portion of the flash and read the MAC address.
......
......@@ -39,34 +39,17 @@
/* Buttons */
#define NSLU2_PB_GPIO 5
#define NSLU2_PB_GPIO 5 /* power button */
#define NSLU2_PO_GPIO 8 /* power off */
#define NSLU2_RB_GPIO 12
#define NSLU2_PB_IRQ IRQ_IXP4XX_GPIO5
#define NSLU2_RB_IRQ IRQ_IXP4XX_GPIO12
#define NSLU2_PB_BM (1L << NSLU2_PB_GPIO)
#define NSLU2_PO_BM (1L << NSLU2_PO_GPIO)
#define NSLU2_RB_BM (1L << NSLU2_RB_GPIO)
#define NSLU2_RB_GPIO 12 /* reset button */
/* Buzzer */
#define NSLU2_GPIO_BUZZ 4
#define NSLU2_BZ_BM (1L << NSLU2_GPIO_BUZZ)
/* LEDs */
#define NSLU2_LED_RED_GPIO 0
#define NSLU2_LED_GRN_GPIO 1
#define NSLU2_LED_RED_BM (1L << NSLU2_LED_RED_GPIO)
#define NSLU2_LED_GRN_BM (1L << NSLU2_LED_GRN_GPIO)
#define NSLU2_LED_DISK1_GPIO 3
#define NSLU2_LED_DISK2_GPIO 2
#define NSLU2_LED_DISK1_BM (1L << NSLU2_LED_DISK1_GPIO)
#define NSLU2_LED_DISK2_BM (1L << NSLU2_LED_DISK2_GPIO)
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