1 files changed, 42 insertions, 20 deletions

diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index ff6a08d02cc..88c025f52d8 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -16,7 +16,7 @@
  * Maintainers: http://www.nslu2-linux.org/
  *
  */
-
+#include <linux/gpio.h>
 #include <linux/if_ether.h>
 #include <linux/irq.h>
 #include <linux/serial.h>
@@ -26,12 +26,30 @@
 #include <linux/i2c.h>
 #include <linux/i2c-gpio.h>
 #include <linux/io.h>
-
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
 #include <asm/mach/time.h>
-#include <asm/gpio.h>
+
+#define NSLU2_SDA_PIN		7
+#define NSLU2_SCL_PIN		6
+
+/* NSLU2 Timer */
+#define NSLU2_FREQ 66000000
+
+/* Buttons */
+#define NSLU2_PB_GPIO		5	/* power button */
+#define NSLU2_PO_GPIO		8	/* power off */
+#define NSLU2_RB_GPIO		12	/* reset button */
+
+/* Buzzer */
+#define NSLU2_GPIO_BUZZ		4
+
+/* LEDs */
+#define NSLU2_LED_RED_GPIO	0
+#define NSLU2_LED_GRN_GPIO	1
+#define NSLU2_LED_DISK1_GPIO	3
+#define NSLU2_LED_DISK2_GPIO	2
 
 static struct flash_platform_data nslu2_flash_data = {
 	.map_name		= "cfi_probe",
@@ -179,11 +197,8 @@ static void nslu2_power_off(void)
 {
 	/* This causes the box to drop the power and go dead. */
 
-	/* enable the pwr cntl gpio */
-	gpio_line_config(NSLU2_PO_GPIO, IXP4XX_GPIO_OUT);
-
-	/* do the deed */
-	gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH);
+	/* enable the pwr cntl gpio and assert power off */
+	gpio_direction_output(NSLU2_PO_GPIO, 1);
 }
 
 static irqreturn_t nslu2_power_handler(int irq, void *dev_id)
@@ -205,6 +220,16 @@ static irqreturn_t nslu2_reset_handler(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+static int __init nslu2_gpio_init(void)
+{
+	if (!machine_is_nslu2())
+		return 0;
+
+	/* Request the power off GPIO */
+	return gpio_request(NSLU2_PO_GPIO, "power off");
+}
+device_initcall(nslu2_gpio_init);
+
 static void __init nslu2_timer_init(void)
 {
     /* The xtal on this machine is non-standard. */
@@ -214,10 +239,6 @@ static void __init nslu2_timer_init(void)
     ixp4xx_timer_init();
 }
 
-static struct sys_timer nslu2_timer = {
-    .init   = nslu2_timer_init,
-};
-
 static void __init nslu2_init(void)
 {
 	uint8_t __iomem *f;
@@ -244,16 +265,14 @@ static void __init nslu2_init(void)
 	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) {
+		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) {
+		IRQF_TRIGGER_HIGH, "NSLU2 power button", NULL) < 0) {
 
 		printk(KERN_DEBUG "Power Button IRQ %d not available\n",
 			gpio_to_irq(NSLU2_PB_GPIO));
@@ -281,11 +300,14 @@ static void __init nslu2_init(void)
 
 MACHINE_START(NSLU2, "Linksys NSLU2")
 	/* Maintainer: www.nslu2-linux.org */
-	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
-	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
-	.timer          = &nslu2_timer,
+	.init_time	= nslu2_timer_init,
 	.init_machine	= nslu2_init,
+#if defined(CONFIG_PCI)
+	.dma_zone_size	= SZ_64M,
+#endif
+	.restart	= ixp4xx_restart,
 MACHINE_END