summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ixp4xx
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ixp4xx')
-rw-r--r--arch/arm/mach-ixp4xx/Kconfig3
-rw-r--r--arch/arm/mach-ixp4xx/Makefile24
-rw-r--r--arch/arm/mach-ixp4xx/common.c2
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-power.c3
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-setup.c41
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-power.c3
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-setup.c48
7 files changed, 107 insertions, 17 deletions
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index 3b23f43cb16..57f23b46539 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -35,7 +35,6 @@ config ARCH_ADI_COYOTE
config ARCH_IXDP425
bool "IXDP425"
- select PCI
help
Say 'Y' here if you want your kernel to support Intel's
IXDP425 Development Platform (Also known as Richfield).
@@ -43,7 +42,6 @@ config ARCH_IXDP425
config MACH_IXDPG425
bool "IXDPG425"
- select PCI
help
Say 'Y' here if you want your kernel to support Intel's
IXDPG425 Development Platform (Also known as Montajade).
@@ -51,7 +49,6 @@ config MACH_IXDPG425
config MACH_IXDP465
bool "IXDP465"
- select PCI
help
Say 'Y' here if you want your kernel to support Intel's
IXDP465 Development Platform (Also known as BMP).
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index 5a4aaa0e0a0..640315d8b96 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -2,13 +2,23 @@
# Makefile for the linux kernel.
#
+obj-pci-y :=
+obj-pci-n :=
+
+obj-pci-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o
+obj-pci-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o
+obj-pci-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o
+obj-pci-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o
+obj-pci-$(CONFIG_MACH_NSLU2) += nslu2-pci.o
+obj-pci-$(CONFIG_MACH_NAS100D) += nas100d-pci.o
+
obj-y += common.o
-obj-$(CONFIG_PCI) += common-pci.o
-obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o ixdp425-setup.o
-obj-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o coyote-setup.o
-obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o
-obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o gtwx5715-setup.o
-obj-$(CONFIG_MACH_NSLU2) += nslu2-pci.o nslu2-setup.o nslu2-power.o
-obj-$(CONFIG_MACH_NAS100D) += nas100d-pci.o nas100d-setup.o nas100d-power.o
+obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-setup.o
+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_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 00b761ff0f9..bf25a76e9bd 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -276,7 +276,7 @@ static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id, struct pt_regs
/*
* Catch up with the real idea of time
*/
- while ((*IXP4XX_OSTS - last_jiffy_time) > LATCH) {
+ while ((signed long)(*IXP4XX_OSTS - last_jiffy_time) >= LATCH) {
timer_tick(regs);
last_jiffy_time += LATCH;
}
diff --git a/arch/arm/mach-ixp4xx/nas100d-power.c b/arch/arm/mach-ixp4xx/nas100d-power.c
index 99d333d7ebd..a3745ed37f9 100644
--- a/arch/arm/mach-ixp4xx/nas100d-power.c
+++ b/arch/arm/mach-ixp4xx/nas100d-power.c
@@ -20,11 +20,10 @@
#include <linux/module.h>
#include <linux/reboot.h>
#include <linux/interrupt.h>
+#include <linux/reboot.h>
#include <asm/mach-types.h>
-extern void ctrl_alt_del(void);
-
static irqreturn_t nas100d_reset_handler(int irq, void *dev_id, struct pt_regs *regs)
{
/* Signal init to do the ctrlaltdel action, this will bypass init if
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index a3b4c6ac570..9a31444d921 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -15,6 +15,7 @@
#include <linux/kernel.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
+#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -37,6 +38,36 @@ static struct platform_device nas100d_flash = {
.resource = &nas100d_flash_resource,
};
+#ifdef CONFIG_LEDS_IXP4XX
+static struct resource nas100d_led_resources[] = {
+ {
+ .name = "wlan", /* green led */
+ .start = 0,
+ .end = 0,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "ready", /* blue power led (off is flashing!) */
+ .start = 15,
+ .end = 15,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "disk", /* yellow led */
+ .start = 3,
+ .end = 3,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+};
+
+static struct platform_device nas100d_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nas100d_led_resources),
+ .resource = nas100d_led_resources,
+};
+#endif
+
static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = {
.sda_pin = NAS100D_SDA_PIN,
.scl_pin = NAS100D_SCL_PIN,
@@ -95,7 +126,9 @@ static struct platform_device nas100d_uart = {
static struct platform_device *nas100d_devices[] __initdata = {
&nas100d_i2c_controller,
&nas100d_flash,
- &nas100d_uart,
+#ifdef CONFIG_LEDS_IXP4XX
+ &nas100d_leds,
+#endif
};
static void nas100d_power_off(void)
@@ -122,6 +155,12 @@ static void __init nas100d_init(void)
pm_power_off = nas100d_power_off;
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&nas100d_uart);
+
platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices));
}
diff --git a/arch/arm/mach-ixp4xx/nslu2-power.c b/arch/arm/mach-ixp4xx/nslu2-power.c
index d80c362bc53..6d38e97142c 100644
--- a/arch/arm/mach-ixp4xx/nslu2-power.c
+++ b/arch/arm/mach-ixp4xx/nslu2-power.c
@@ -20,11 +20,10 @@
#include <linux/module.h>
#include <linux/reboot.h>
#include <linux/interrupt.h>
+#include <linux/reboot.h>
#include <asm/mach-types.h>
-extern void ctrl_alt_del(void);
-
static irqreturn_t nslu2_power_handler(int irq, void *dev_id, struct pt_regs *regs)
{
/* Signal init to do the ctrlaltdel action, this will bypass init if
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 55411f21d83..749a337494d 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -7,6 +7,7 @@
* Copyright (C) 2003-2004 MontaVista Software, Inc.
*
* Author: Mark Rakes <mrakes at mac.com>
+ * Author: Rod Whitby <rod@whitby.id.au>
* Maintainers: http://www.nslu2-linux.org/
*
* Fixed missing init_time in MACHINE_START kas11 10/22/04
@@ -16,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
+#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -43,6 +45,42 @@ static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
.scl_pin = NSLU2_SCL_PIN,
};
+#ifdef CONFIG_LEDS_IXP4XX
+static struct resource nslu2_led_resources[] = {
+ {
+ .name = "ready", /* green led */
+ .start = NSLU2_LED_GRN,
+ .end = NSLU2_LED_GRN,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "status", /* red led */
+ .start = NSLU2_LED_RED,
+ .end = NSLU2_LED_RED,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "disk-1",
+ .start = NSLU2_LED_DISK1,
+ .end = NSLU2_LED_DISK1,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "disk-2",
+ .start = NSLU2_LED_DISK2,
+ .end = NSLU2_LED_DISK2,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+};
+
+static struct platform_device nslu2_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nslu2_led_resources),
+ .resource = nslu2_led_resources,
+};
+#endif
+
static struct platform_device nslu2_i2c_controller = {
.name = "IXP4XX-I2C",
.id = 0,
@@ -102,8 +140,10 @@ static struct platform_device nslu2_uart = {
static struct platform_device *nslu2_devices[] __initdata = {
&nslu2_i2c_controller,
&nslu2_flash,
- &nslu2_uart,
&nslu2_beeper,
+#ifdef CONFIG_LEDS_IXP4XX
+ &nslu2_leds,
+#endif
};
static void nslu2_power_off(void)
@@ -127,6 +167,12 @@ static void __init nslu2_init(void)
pm_power_off = nslu2_power_off;
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&nslu2_uart);
+
platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
}