diff options
author | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-07-12 02:02:58 +0000 |
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committer | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-07-12 02:02:58 +0000 |
commit | 451089be3aca7436f86ada90a39e450dc4ad7874 (patch) | |
tree | 6870fa2b5548592459151c5a5d25ceef5e45892d /target/linux/ixp4xx/patches-2.6.23/017-nas100d_auto_power_on.patch | |
parent | 08c3d434a7d03a4e3ae146be2c27a3b49699fd3d (diff) |
nuke most of the old ixp4xx patchsets
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11778 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.23/017-nas100d_auto_power_on.patch')
-rw-r--r-- | target/linux/ixp4xx/patches-2.6.23/017-nas100d_auto_power_on.patch | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.23/017-nas100d_auto_power_on.patch b/target/linux/ixp4xx/patches-2.6.23/017-nas100d_auto_power_on.patch deleted file mode 100644 index bf6bc078a..000000000 --- a/target/linux/ixp4xx/patches-2.6.23/017-nas100d_auto_power_on.patch +++ /dev/null @@ -1,188 +0,0 @@ -Upgrade the power and reset button handling for the NAS100D: - * Convert GPIO and IRQ handling to use the <asm/gpio.h> api. - * Perform the reset only after the power button has been held down - for at least two seconds. Do the reset on the release of the power - button, so that NAS devices which have been set to auto-power-on (by - bridging the power button) do not continuously power cycle. - * Remove all superflous constants from nas100d.h - * Add LED constants to nas100d.h while we're there. -Also, update the board LED setup code to use constants. - -Signed-off-by: Rod Whitby <rod@whitby.id.au> - -Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/nas100d-power.c -=================================================================== ---- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/nas100d-power.c -+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/nas100d-power.c -@@ -21,15 +21,61 @@ - #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> - --static irqreturn_t nas100d_reset_handler(int irq, void *dev_id) -+extern void ctrl_alt_del(void); -+ -+/* 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 volatile 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) - { -- /* Signal init to do the ctrlaltdel action, this will bypass init if -- * it hasn't started and do a kernel_restart. -+ /* This routine is called twice per second to check the -+ * state of the power button. - */ -- ctrl_alt_del(); -+ -+ 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; - } -@@ -39,17 +85,30 @@ static int __init nas100d_power_init(voi - if (!(machine_is_nas100d())) - return 0; - -- set_irq_type(NAS100D_RB_IRQ, IRQT_LOW); -+ set_irq_type(gpio_to_irq(NAS100D_RB_GPIO), IRQT_LOW); - -- if (request_irq(NAS100D_RB_IRQ, &nas100d_reset_handler, -+ 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", -- NAS100D_RB_IRQ); -+ 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; - } - -@@ -58,7 +117,9 @@ static void __exit nas100d_power_exit(vo - if (!(machine_is_nas100d())) - return; - -- free_irq(NAS100D_RB_IRQ, NULL); -+ del_timer_sync(&nas100d_power_timer); -+ -+ free_irq(gpio_to_irq(NAS100D_RB_GPIO), NULL); - } - - module_init(nas100d_power_init); -Index: linux-2.6.23.17/include/asm-arm/arch-ixp4xx/nas100d.h -=================================================================== ---- linux-2.6.23.17.orig/include/asm-arm/arch-ixp4xx/nas100d.h -+++ linux-2.6.23.17/include/asm-arm/arch-ixp4xx/nas100d.h -@@ -38,15 +38,15 @@ - - /* Buttons */ - --#define NAS100D_PB_GPIO 14 --#define NAS100D_RB_GPIO 4 -+#define NAS100D_PB_GPIO 14 /* power button */ -+#define NAS100D_RB_GPIO 4 /* reset button */ -+ -+/* Power control */ -+ - #define NAS100D_PO_GPIO 12 /* power off */ - --#define NAS100D_PB_IRQ IRQ_IXP4XX_GPIO14 --#define NAS100D_RB_IRQ IRQ_IXP4XX_GPIO4 -+/* LEDs */ - --/* --#define NAS100D_PB_BM (1L << NAS100D_PB_GPIO) --#define NAS100D_PO_BM (1L << NAS100D_PO_GPIO) --#define NAS100D_RB_BM (1L << NAS100D_RB_GPIO) --*/ -+#define NAS100D_LED_WLAN_GPIO 0 -+#define NAS100D_LED_DISK_GPIO 3 -+#define NAS100D_LED_PWR_GPIO 15 -Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/nas100d-setup.c -=================================================================== ---- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/nas100d-setup.c -+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/nas100d-setup.c -@@ -42,20 +42,20 @@ static struct platform_device nas100d_fl - static struct resource nas100d_led_resources[] = { - { - .name = "wlan", /* green led */ -- .start = 0, -- .end = 0, -+ .start = NAS100D_LED_WLAN_GPIO, -+ .end = NAS100D_LED_WLAN_GPIO, - .flags = IXP4XX_GPIO_LOW, - }, - { -- .name = "ready", /* blue power led (off is flashing!) */ -- .start = 15, -- .end = 15, -+ .name = "power", /* blue power led (off is flashing!) */ -+ .start = NAS100D_LED_PWR_GPIO, -+ .end = NAS100D_LED_PWR_GPIO, - .flags = IXP4XX_GPIO_LOW, - }, - { - .name = "disk", /* yellow led */ -- .start = 3, -- .end = 3, -+ .start = NAS100D_LED_DISK_GPIO, -+ .end = NAS100D_LED_DISK_GPIO, - .flags = IXP4XX_GPIO_LOW, - }, - }; |