diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.24/032-subsume_power_files.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-2.6.24/032-subsume_power_files.patch | 819 |
1 files changed, 0 insertions, 819 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.24/032-subsume_power_files.patch b/target/linux/ixp4xx/patches-2.6.24/032-subsume_power_files.patch deleted file mode 100644 index b32d055..0000000 --- a/target/linux/ixp4xx/patches-2.6.24/032-subsume_power_files.patch +++ /dev/null @@ -1,819 +0,0 @@ -From: Rod Whitby <rod@whitby.id.au> -Subject: ixp4xx: Merge nslu2-power.c into nslu2-setup.c (Patch #4807) - -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: Rod Whitby <rod@whitby.id.au> --- -PATCH FOLLOWS -KernelVersion: v2.6.24-1917-gaf66bd3 - -Index: linux-2.6.24.7/arch/arm/mach-ixp4xx/Makefile -=================================================================== ---- linux-2.6.24.7.orig/arch/arm/mach-ixp4xx/Makefile -+++ linux-2.6.24.7/arch/arm/mach-ixp4xx/Makefile -@@ -24,9 +24,9 @@ obj-$(CONFIG_MACH_AVILA) += avila-setup. - obj-$(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_NAS100D) += nas100d-setup.o nas100d-power.o --obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o dsmg600-power.o -+obj-$(CONFIG_MACH_NSLU2) += nslu2-setup.o -+obj-$(CONFIG_MACH_NAS100D) += nas100d-setup.o -+obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o - obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o - obj-$(CONFIG_MACH_WG302V2) += wg302v2-setup.o - obj-$(CONFIG_MACH_FSG) += fsg-setup.o -Index: linux-2.6.24.7/arch/arm/mach-ixp4xx/nslu2-power.c -=================================================================== ---- linux-2.6.24.7.orig/arch/arm/mach-ixp4xx/nslu2-power.c -+++ /dev/null -@@ -1,92 +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 <linux/reboot.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"); -Index: linux-2.6.24.7/arch/arm/mach-ixp4xx/nslu2-setup.c -=================================================================== ---- linux-2.6.24.7.orig/arch/arm/mach-ixp4xx/nslu2-setup.c -+++ linux-2.6.24.7/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. -Index: linux-2.6.24.7/include/asm-arm/arch-ixp4xx/nslu2.h -=================================================================== ---- linux-2.6.24.7.orig/include/asm-arm/arch-ixp4xx/nslu2.h -+++ linux-2.6.24.7/include/asm-arm/arch-ixp4xx/nslu2.h -@@ -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) -- -- -Index: linux-2.6.24.7/arch/arm/mach-ixp4xx/nas100d-power.c -=================================================================== ---- linux-2.6.24.7.orig/arch/arm/mach-ixp4xx/nas100d-power.c -+++ /dev/null -@@ -1,128 +0,0 @@ --/* -- * arch/arm/mach-ixp4xx/nas100d-power.c -- * -- * NAS 100d Power/Reset driver -- * -- * Copyright (C) 2005 Tower Technologies -- * -- * based on nas100d-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/interrupt.h> --#include <linux/irq.h> --#include <linux/module.h> --#include <linux/reboot.h> --#include <linux/jiffies.h> --#include <linux/timer.h> -- --#include <asm/gpio.h> --#include <asm/mach-types.h> -- --/* This is used to make sure the power-button pusher is serious. The button -- * must be held until the value of this counter reaches zero. -- */ --static int power_button_countdown; -- --/* Must hold the button down for at least this many counts to be processed */ --#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */ -- --static void nas100d_power_handler(unsigned long data); --static DEFINE_TIMER(nas100d_power_timer, nas100d_power_handler, 0, 0); -- --static void nas100d_power_handler(unsigned long data) --{ -- /* This routine is called twice per second to check the -- * state of the power button. -- */ -- -- if (gpio_get_value(NAS100D_PB_GPIO)) { -- -- /* IO Pin is 1 (button pushed) */ -- if (power_button_countdown > 0) -- power_button_countdown--; -- -- } else { -- -- /* Done on button release, to allow for auto-power-on mods. */ -- if (power_button_countdown == 0) { -- /* Signal init to do the ctrlaltdel action, -- * this will bypass init if it hasn't started -- * and do a kernel_restart. -- */ -- ctrl_alt_del(); -- -- /* Change the state of the power LED to "blink" */ -- gpio_line_set(NAS100D_LED_PWR_GPIO, IXP4XX_GPIO_LOW); -- } else { -- power_button_countdown = PBUTTON_HOLDDOWN_COUNT; -- } -- } -- -- mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500)); --} -- --static irqreturn_t nas100d_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 nas100d_power_init(void) --{ -- if (!(machine_is_nas100d())) -- return 0; -- -- set_irq_type(gpio_to_irq(NAS100D_RB_GPIO), IRQT_LOW); -- -- if (request_irq(gpio_to_irq(NAS100D_RB_GPIO), &nas100d_reset_handler, -- IRQF_DISABLED, "NAS100D reset button", NULL) < 0) { -- -- printk(KERN_DEBUG "Reset Button IRQ %d not available\n", -- gpio_to_irq(NAS100D_RB_GPIO)); -- -- return -EIO; -- } -- -- /* The power button on the Iomega NAS100d is on GPIO 14, but -- * it cannot handle interrupts on that GPIO line. So we'll -- * have to poll it with a kernel timer. -- */ -- -- /* Make sure that the power button GPIO is set up as an input */ -- gpio_line_config(NAS100D_PB_GPIO, IXP4XX_GPIO_IN); -- -- /* Set the initial value for the power button IRQ handler */ -- power_button_countdown = PBUTTON_HOLDDOWN_COUNT; -- -- mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500)); -- -- return 0; --} -- --static void __exit nas100d_power_exit(void) --{ -- if (!(machine_is_nas100d())) -- return; -- -- del_timer_sync(&nas100d_power_timer); -- -- free_irq(gpio_to_irq(NAS100D_RB_GPIO), NULL); --} -- --module_init(nas100d_power_init); --module_exit(nas100d_power_exit); -- --MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); --MODULE_DESCRIPTION("NAS100D Power/Reset driver"); --MODULE_LICENSE("GPL"); -Index: linux-2.6.24.7/arch/arm/mach-ixp4xx/nas100d-setup.c -=================================================================== ---- linux-2.6.24.7.orig/arch/arm/mach-ixp4xx/nas100d-setup.c -+++ linux-2.6.24.7/arch/arm/mach-ixp4xx/nas100d-setup.c -@@ -3,8 +3,14 @@ - * - * NAS 100d 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 nas100d-power.c: -+ * Copyright (C) 2005 Tower Technologies -+ * based on nas100d-io.c -+ * Copyright (C) 2004 Karen Spearel - * - * Author: Alessandro Zummo <a.zummo@towertech.it> - * Author: Rod Whitby <rod@whitby.id.au> -@@ -13,10 +19,13 @@ - */ - - #include <linux/if_ether.h> --#include <linux/kernel.h> -+#include <linux/irq.h> -+#include <linux/jiffies.h> -+#include <linux/timer.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> - -@@ -24,6 +33,7 @@ - #include <asm/mach/arch.h> - #include <asm/mach/flash.h> - #include <asm/io.h> -+#include <asm/gpio.h> - - static struct flash_platform_data nas100d_flash_data = { - .map_name = "cfi_probe", -@@ -168,6 +178,57 @@ static void nas100d_power_off(void) - gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH); - } - -+/* This is used to make sure the power-button pusher is serious. The button -+ * must be held until the value of this counter reaches zero. -+ */ -+static int power_button_countdown; -+ -+/* Must hold the button down for at least this many counts to be processed */ -+#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */ -+ -+static void nas100d_power_handler(unsigned long data); -+static DEFINE_TIMER(nas100d_power_timer, nas100d_power_handler, 0, 0); -+ -+static void nas100d_power_handler(unsigned long data) -+{ -+ /* This routine is called twice per second to check the -+ * state of the power button. -+ */ -+ -+ if (gpio_get_value(NAS100D_PB_GPIO)) { -+ -+ /* IO Pin is 1 (button pushed) */ -+ if (power_button_countdown > 0) -+ power_button_countdown--; -+ -+ } else { -+ -+ /* Done on button release, to allow for auto-power-on mods. */ -+ if (power_button_countdown == 0) { -+ /* Signal init to do the ctrlaltdel action, -+ * this will bypass init if it hasn't started -+ * and do a kernel_restart. -+ */ -+ ctrl_alt_del(); -+ -+ /* Change the state of the power LED to "blink" */ -+ gpio_line_set(NAS100D_LED_PWR_GPIO, IXP4XX_GPIO_LOW); -+ } else { -+ power_button_countdown = PBUTTON_HOLDDOWN_COUNT; -+ } -+ } -+ -+ mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500)); -+} -+ -+static irqreturn_t nas100d_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 nas100d_init(void) - { - DECLARE_MAC_BUF(mac_buf); -@@ -183,8 +244,6 @@ static void __init nas100d_init(void) - nas100d_flash_resource.end = - IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; - -- pm_power_off = nas100d_power_off; -- - i2c_register_board_info(0, nas100d_i2c_board_info, - ARRAY_SIZE(nas100d_i2c_board_info)); - -@@ -197,6 +256,29 @@ static void __init nas100d_init(void) - - platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices)); - -+ pm_power_off = nas100d_power_off; -+ -+ if (request_irq(gpio_to_irq(NAS100D_RB_GPIO), &nas100d_reset_handler, -+ IRQF_DISABLED | IRQF_TRIGGER_LOW, -+ "NAS100D reset button", NULL) < 0) { -+ -+ printk(KERN_DEBUG "Reset Button IRQ %d not available\n", -+ gpio_to_irq(NAS100D_RB_GPIO)); -+ } -+ -+ /* The power button on the Iomega NAS100d is on GPIO 14, but -+ * it cannot handle interrupts on that GPIO line. So we'll -+ * have to poll it with a kernel timer. -+ */ -+ -+ /* Make sure that the power button GPIO is set up as an input */ -+ gpio_line_config(NAS100D_PB_GPIO, IXP4XX_GPIO_IN); -+ -+ /* Set the initial value for the power button IRQ handler */ -+ power_button_countdown = PBUTTON_HOLDDOWN_COUNT; -+ -+ mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500)); -+ - /* - * Map in a portion of the flash and read the MAC address. - * Since it is stored in BE in the flash itself, we need to -Index: linux-2.6.24.7/arch/arm/mach-ixp4xx/dsmg600-power.c -=================================================================== ---- linux-2.6.24.7.orig/arch/arm/mach-ixp4xx/dsmg600-power.c -+++ /dev/null -@@ -1,129 +0,0 @@ --/* -- * arch/arm/mach-ixp4xx/dsmg600-power.c -- * -- * DSM-G600 Power/Reset driver -- * Author: Michael Westerhof <mwester@dls.net> -- * -- * Based on nslu2-power.c -- * Copyright (C) 2005 Tower Technologies -- * Author: Alessandro Zummo <a.zummo@towertech.it> -- * -- * which was based on nslu2-io.c -- * Copyright (C) 2004 Karen Spearel -- * -- * 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/interrupt.h> --#include <linux/irq.h> --#include <linux/jiffies.h> --#include <linux/timer.h> -- --#include <asm/gpio.h> --#include <asm/mach-types.h> -- --/* This is used to make sure the power-button pusher is serious. The button -- * must be held until the value of this counter reaches zero. -- */ --static int power_button_countdown; -- --/* Must hold the button down for at least this many counts to be processed */ --#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */ -- --static void dsmg600_power_handler(unsigned long data); --static DEFINE_TIMER(dsmg600_power_timer, dsmg600_power_handler, 0, 0); -- --static void dsmg600_power_handler(unsigned long data) --{ -- /* This routine is called twice per second to check the -- * state of the power button. -- */ -- -- if (gpio_get_value(DSMG600_PB_GPIO)) { -- -- /* IO Pin is 1 (button pushed) */ -- if (power_button_countdown > 0) -- power_button_countdown--; -- -- } else { -- -- /* Done on button release, to allow for auto-power-on mods. */ -- if (power_button_countdown == 0) { -- /* Signal init to do the ctrlaltdel action, -- * this will bypass init if it hasn't started -- * and do a kernel_restart. -- */ -- ctrl_alt_del(); -- -- /* Change the state of the power LED to "blink" */ -- gpio_line_set(DSMG600_LED_PWR_GPIO, IXP4XX_GPIO_LOW); -- } else { -- power_button_countdown = PBUTTON_HOLDDOWN_COUNT; -- } -- } -- -- mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500)); --} -- --static irqreturn_t dsmg600_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 dsmg600_power_init(void) --{ -- if (!(machine_is_dsmg600())) -- return 0; -- -- if (request_irq(gpio_to_irq(DSMG600_RB_GPIO), &dsmg600_reset_handler, -- IRQF_DISABLED | IRQF_TRIGGER_LOW, "DSM-G600 reset button", -- NULL) < 0) { -- -- printk(KERN_DEBUG "Reset Button IRQ %d not available\n", -- gpio_to_irq(DSMG600_RB_GPIO)); -- -- return -EIO; -- } -- -- /* The power button on the D-Link DSM-G600 is on GPIO 15, but -- * it cannot handle interrupts on that GPIO line. So we'll -- * have to poll it with a kernel timer. -- */ -- -- /* Make sure that the power button GPIO is set up as an input */ -- gpio_line_config(DSMG600_PB_GPIO, IXP4XX_GPIO_IN); -- -- /* Set the initial value for the power button IRQ handler */ -- power_button_countdown = PBUTTON_HOLDDOWN_COUNT; -- -- mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500)); -- -- return 0; --} -- --static void __exit dsmg600_power_exit(void) --{ -- if (!(machine_is_dsmg600())) -- return; -- -- del_timer_sync(&dsmg600_power_timer); -- -- free_irq(gpio_to_irq(DSMG600_RB_GPIO), NULL); --} -- --module_init(dsmg600_power_init); --module_exit(dsmg600_power_exit); -- --MODULE_AUTHOR("Michael Westerhof <mwester@dls.net>"); --MODULE_DESCRIPTION("DSM-G600 Power/Reset driver"); --MODULE_LICENSE("GPL"); -Index: linux-2.6.24.7/arch/arm/mach-ixp4xx/dsmg600-setup.c -=================================================================== ---- linux-2.6.24.7.orig/arch/arm/mach-ixp4xx/dsmg600-setup.c -+++ linux-2.6.24.7/arch/arm/mach-ixp4xx/dsmg600-setup.c -@@ -1,20 +1,29 @@ - /* - * DSM-G600 board-setup - * -+ * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au> - * Copyright (C) 2006 Tower Technologies -- * Author: Alessandro Zummo <a.zummo@towertech.it> - * -- * based ixdp425-setup.c: -+ * based on ixdp425-setup.c: - * Copyright (C) 2003-2004 MontaVista Software, Inc. -+ * based on nslu2-power.c: -+ * Copyright (C) 2005 Tower Technologies -+ * based on nslu2-io.c: -+ * Copyright (C) 2004 Karen Spearel - * - * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * Author: Michael Westerhof <mwester@dls.net> -+ * Author: Rod Whitby <rod@whitby.id.au> - * Maintainers: http://www.nslu2-linux.org/ - */ - --#include <linux/kernel.h> -+#include <linux/irq.h> -+#include <linux/jiffies.h> -+#include <linux/timer.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> - -@@ -22,6 +31,7 @@ - #include <asm/mach/arch.h> - #include <asm/mach/flash.h> - #include <asm/mach/time.h> -+#include <asm/gpio.h> - - static struct flash_platform_data dsmg600_flash_data = { - .map_name = "cfi_probe", -@@ -140,6 +150,57 @@ static void dsmg600_power_off(void) - gpio_line_set(DSMG600_PO_GPIO, IXP4XX_GPIO_HIGH); - } - -+/* This is used to make sure the power-button pusher is serious. The button -+ * must be held until the value of this counter reaches zero. -+ */ -+static int power_button_countdown; -+ -+/* Must hold the button down for at least this many counts to be processed */ -+#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */ -+ -+static void dsmg600_power_handler(unsigned long data); -+static DEFINE_TIMER(dsmg600_power_timer, dsmg600_power_handler, 0, 0); -+ -+static void dsmg600_power_handler(unsigned long data) -+{ -+ /* This routine is called twice per second to check the -+ * state of the power button. -+ */ -+ -+ if (gpio_get_value(DSMG600_PB_GPIO)) { -+ -+ /* IO Pin is 1 (button pushed) */ -+ if (power_button_countdown > 0) -+ power_button_countdown--; -+ -+ } else { -+ -+ /* Done on button release, to allow for auto-power-on mods. */ -+ if (power_button_countdown == 0) { -+ /* Signal init to do the ctrlaltdel action, -+ * this will bypass init if it hasn't started -+ * and do a kernel_restart. -+ */ -+ ctrl_alt_del(); -+ -+ /* Change the state of the power LED to "blink" */ -+ gpio_line_set(DSMG600_LED_PWR_GPIO, IXP4XX_GPIO_LOW); -+ } else { -+ power_button_countdown = PBUTTON_HOLDDOWN_COUNT; -+ } -+ } -+ -+ mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500)); -+} -+ -+static irqreturn_t dsmg600_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 dsmg600_timer_init(void) - { - /* The xtal on this machine is non-standard. */ -@@ -164,8 +225,6 @@ static void __init dsmg600_init(void) - dsmg600_flash_resource.end = - IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; - -- pm_power_off = dsmg600_power_off; -- - i2c_register_board_info(0, dsmg600_i2c_board_info, - ARRAY_SIZE(dsmg600_i2c_board_info)); - -@@ -176,6 +235,29 @@ static void __init dsmg600_init(void) - (void)platform_device_register(&dsmg600_uart); - - platform_add_devices(dsmg600_devices, ARRAY_SIZE(dsmg600_devices)); -+ -+ pm_power_off = dsmg600_power_off; -+ -+ if (request_irq(gpio_to_irq(DSMG600_RB_GPIO), &dsmg600_reset_handler, -+ IRQF_DISABLED | IRQF_TRIGGER_LOW, -+ "DSM-G600 reset button", NULL) < 0) { -+ -+ printk(KERN_DEBUG "Reset Button IRQ %d not available\n", -+ gpio_to_irq(DSMG600_RB_GPIO)); -+ } -+ -+ /* The power button on the D-Link DSM-G600 is on GPIO 15, but -+ * it cannot handle interrupts on that GPIO line. So we'll -+ * have to poll it with a kernel timer. -+ */ -+ -+ /* Make sure that the power button GPIO is set up as an input */ -+ gpio_line_config(DSMG600_PB_GPIO, IXP4XX_GPIO_IN); -+ -+ /* Set the initial value for the power button IRQ handler */ -+ power_button_countdown = PBUTTON_HOLDDOWN_COUNT; -+ -+ mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500)); - } - - MACHINE_START(DSMG600, "D-Link DSM-G600 RevA") |