mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-01 09:37:30 +02:00
58f98ac382
* upgrade to the new ethernet driver (temporary breaks Marvell switch support on Compex units) * handle NPE microcodes in a user friendly way - YAY for Intel for changing the license * add support for the Lanready AP1000 (used in for example the Ligowave LGO2AGN) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10016 3c298f89-4303-0410-b956-a3cf2f4a3e73
134 lines
4.0 KiB
Diff
134 lines
4.0 KiB
Diff
---
|
|
arch/arm/mach-ixp4xx/nas100d-power.c | 68 ++++++++++++++++++++++++++++++++--
|
|
include/asm-arm/arch-ixp4xx/nas100d.h | 18 +++++----
|
|
2 files changed, 75 insertions(+), 11 deletions(-)
|
|
|
|
Index: linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/nas100d-power.c
|
|
===================================================================
|
|
--- linux-2.6.22-rc5-armeb.orig/arch/arm/mach-ixp4xx/nas100d-power.c
|
|
+++ linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/nas100d-power.c
|
|
@@ -21,15 +21,60 @@
|
|
#include <linux/irq.h>
|
|
#include <linux/module.h>
|
|
#include <linux/reboot.h>
|
|
+#include <linux/jiffies.h>
|
|
+#include <linux/timer.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 (*IXP4XX_GPIO_GPINR & NAS100D_PB_BM) {
|
|
+
|
|
+ /* 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;
|
|
}
|
|
@@ -50,6 +95,19 @@
|
|
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;
|
|
}
|
|
|
|
@@ -58,6 +116,8 @@
|
|
if (!(machine_is_nas100d()))
|
|
return;
|
|
|
|
+ del_timer_sync(&nas100d_power_timer);
|
|
+
|
|
free_irq(NAS100D_RB_IRQ, NULL);
|
|
}
|
|
|
|
Index: linux-2.6.22-rc5-armeb/include/asm-arm/arch-ixp4xx/nas100d.h
|
|
===================================================================
|
|
--- linux-2.6.22-rc5-armeb.orig/include/asm-arm/arch-ixp4xx/nas100d.h
|
|
+++ linux-2.6.22-rc5-armeb/include/asm-arm/arch-ixp4xx/nas100d.h
|
|
@@ -39,14 +39,18 @@
|
|
/* Buttons */
|
|
|
|
#define NAS100D_PB_GPIO 14
|
|
+#define NAS100D_PB_BM (1L << NAS100D_PB_GPIO)
|
|
+
|
|
#define NAS100D_RB_GPIO 4
|
|
-#define NAS100D_PO_GPIO 12 /* power off */
|
|
|
|
-#define NAS100D_PB_IRQ IRQ_IXP4XX_GPIO14
|
|
#define NAS100D_RB_IRQ IRQ_IXP4XX_GPIO4
|
|
|
|
-/*
|
|
-#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_PO_GPIO 12 /* power off */
|
|
+
|
|
+/* LEDs */
|
|
+
|
|
+#define NAS100D_LED_PWR_GPIO 15
|
|
+#define NAS100D_LED_PWR_BM (1L << NAS100D_LED_PWR_GPIO)
|
|
+
|
|
+#define NAS100D_LED_WLAN_GPIO 0
|
|
+#define NAS100D_LED_WLAN_BM (1L << NAS100D_LED_WLAN_GPIO)
|