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Diffstat (limited to 'arch/arm/mach-ixp4xx/nas100d-setup.c')
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-setup.c64
1 files changed, 39 insertions, 25 deletions
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index f18fee74887..4e0f762bc65 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -17,7 +17,7 @@
* Maintainers: http://www.nslu2-linux.org/
*
*/
-
+#include <linux/gpio.h>
#include <linux/if_ether.h>
#include <linux/irq.h>
#include <linux/jiffies.h>
@@ -32,7 +32,6 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
-#include <asm/gpio.h>
#define NAS100D_SDA_PIN 5
#define NAS100D_SCL_PIN 6
@@ -185,11 +184,8 @@ static void nas100d_power_off(void)
{
/* This causes the box to drop the power and go dead. */
- /* enable the pwr cntl gpio */
- gpio_line_config(NAS100D_PO_GPIO, IXP4XX_GPIO_OUT);
-
- /* do the deed */
- gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH);
+ /* enable the pwr cntl gpio and assert power off */
+ gpio_direction_output(NAS100D_PO_GPIO, 1);
}
/* This is used to make sure the power-button pusher is serious. The button
@@ -226,7 +222,7 @@ static void nas100d_power_handler(unsigned long data)
ctrl_alt_del();
/* Change the state of the power LED to "blink" */
- gpio_line_set(NAS100D_LED_PWR_GPIO, IXP4XX_GPIO_LOW);
+ gpio_set_value(NAS100D_LED_PWR_GPIO, 0);
} else {
power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
}
@@ -243,6 +239,33 @@ static irqreturn_t nas100d_reset_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static int __init nas100d_gpio_init(void)
+{
+ if (!machine_is_nas100d())
+ return 0;
+
+ /*
+ * 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.
+ */
+
+ /* Request the power off GPIO */
+ gpio_request(NAS100D_PO_GPIO, "power off");
+
+ /* Make sure that the power button GPIO is set up as an input */
+ gpio_request(NAS100D_PB_GPIO, "power button");
+ gpio_direction_input(NAS100D_PB_GPIO);
+
+ /* 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;
+}
+device_initcall(nas100d_gpio_init);
+
static void __init nas100d_init(void)
{
uint8_t __iomem *f;
@@ -272,26 +295,12 @@ static void __init nas100d_init(void)
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) {
+ 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
@@ -314,9 +323,14 @@ static void __init nas100d_init(void)
MACHINE_START(NAS100D, "Iomega NAS 100d")
/* Maintainer: www.nslu2-linux.org */
- .boot_params = 0x00000100,
+ .atag_offset = 0x100,
.map_io = ixp4xx_map_io,
+ .init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
- .timer = &ixp4xx_timer,
+ .init_time = ixp4xx_timer_init,
.init_machine = nas100d_init,
+#if defined(CONFIG_PCI)
+ .dma_zone_size = SZ_64M,
+#endif
+ .restart = ixp4xx_restart,
MACHINE_END