diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx')
| -rw-r--r-- | arch/arm/mach-ixp4xx/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-ixp4xx/nslu2-power.c | 91 | ||||
| -rw-r--r-- | arch/arm/mach-ixp4xx/nslu2-setup.c | 51 |
3 files changed, 46 insertions, 98 deletions
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile index 4bb97e13f95..4fc7316191e 100644 --- a/arch/arm/mach-ixp4xx/Makefile +++ b/arch/arm/mach-ixp4xx/Makefile @@ -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 diff --git a/arch/arm/mach-ixp4xx/nslu2-power.c b/arch/arm/mach-ixp4xx/nslu2-power.c deleted file mode 100644 index 6f10dc20832..00000000000 --- a/arch/arm/mach-ixp4xx/nslu2-power.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * 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"); diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c index fd9ec17c8b8..acaebcbce53 100644 --- a/arch/arm/mach-ixp4xx/nslu2-setup.c +++ b/arch/arm/mach-ixp4xx/nslu2-setup.c @@ -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. |