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-rw-r--r--arch/arm/mach-ebsa110/Makefile4
-rw-r--r--arch/arm/mach-ebsa110/core.c8
-rw-r--r--arch/arm/mach-ebsa110/core.h12
-rw-r--r--arch/arm/mach-ebsa110/leds.c81
4 files changed, 61 insertions, 44 deletions
diff --git a/arch/arm/mach-ebsa110/Makefile b/arch/arm/mach-ebsa110/Makefile
index 6520ac83580..935e4af01a2 100644
--- a/arch/arm/mach-ebsa110/Makefile
+++ b/arch/arm/mach-ebsa110/Makefile
@@ -4,9 +4,7 @@
# Object file lists.
-obj-y := core.o io.o
+obj-y := core.o io.o leds.o
obj-m :=
obj-n :=
obj- :=
-
-obj-$(CONFIG_LEDS) += leds.o
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 6f8068692ed..f0fe6b5350e 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -74,22 +74,22 @@ static struct map_desc ebsa110_io_desc[] __initdata = {
* sparse external-decode ISAIO space
*/
{ /* IRQ_STAT/IRQ_MCLR */
- .virtual = IRQ_STAT,
+ .virtual = (unsigned long)IRQ_STAT,
.pfn = __phys_to_pfn(TRICK4_PHYS),
.length = TRICK4_SIZE,
.type = MT_DEVICE
}, { /* IRQ_MASK/IRQ_MSET */
- .virtual = IRQ_MASK,
+ .virtual = (unsigned long)IRQ_MASK,
.pfn = __phys_to_pfn(TRICK3_PHYS),
.length = TRICK3_SIZE,
.type = MT_DEVICE
}, { /* SOFT_BASE */
- .virtual = SOFT_BASE,
+ .virtual = (unsigned long)SOFT_BASE,
.pfn = __phys_to_pfn(TRICK1_PHYS),
.length = TRICK1_SIZE,
.type = MT_DEVICE
}, { /* PIT_BASE */
- .virtual = PIT_BASE,
+ .virtual = (unsigned long)PIT_BASE,
.pfn = __phys_to_pfn(TRICK0_PHYS),
.length = TRICK0_SIZE,
.type = MT_DEVICE
diff --git a/arch/arm/mach-ebsa110/core.h b/arch/arm/mach-ebsa110/core.h
index c93c9e43012..afe137ee172 100644
--- a/arch/arm/mach-ebsa110/core.h
+++ b/arch/arm/mach-ebsa110/core.h
@@ -31,11 +31,11 @@
#define TRICK7_PHYS 0xf3c00000
/* Virtual addresses */
-#define PIT_BASE 0xfc000000 /* trick 0 */
-#define SOFT_BASE 0xfd000000 /* trick 1 */
-#define IRQ_MASK 0xfe000000 /* trick 3 - read */
-#define IRQ_MSET 0xfe000000 /* trick 3 - write */
-#define IRQ_STAT 0xff000000 /* trick 4 - read */
-#define IRQ_MCLR 0xff000000 /* trick 4 - write */
+#define PIT_BASE IOMEM(0xfc000000) /* trick 0 */
+#define SOFT_BASE IOMEM(0xfd000000) /* trick 1 */
+#define IRQ_MASK IOMEM(0xfe000000) /* trick 3 - read */
+#define IRQ_MSET IOMEM(0xfe000000) /* trick 3 - write */
+#define IRQ_STAT IOMEM(0xff000000) /* trick 4 - read */
+#define IRQ_MCLR IOMEM(0xff000000) /* trick 4 - write */
#endif
diff --git a/arch/arm/mach-ebsa110/leds.c b/arch/arm/mach-ebsa110/leds.c
index 99e14e36250..0398258c20c 100644
--- a/arch/arm/mach-ebsa110/leds.c
+++ b/arch/arm/mach-ebsa110/leds.c
@@ -1,52 +1,71 @@
/*
- * linux/arch/arm/mach-ebsa110/leds.c
+ * Driver for the LED found on the EBSA110 machine
+ * Based on Versatile and RealView machine LED code
*
- * Copyright (C) 1998 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * EBSA-110 LED control routines. We use the led as follows:
- *
- * - Red - toggles state every 50 timer interrupts
+ * License terms: GNU General Public License (GPL) version 2
+ * Author: Bryan Wu <bryan.wu@canonical.com>
*/
-#include <linux/module.h>
-#include <linux/spinlock.h>
+#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/leds.h>
-#include <mach/hardware.h>
-#include <asm/leds.h>
#include <asm/mach-types.h>
#include "core.h"
-static spinlock_t leds_lock;
-
-static void ebsa110_leds_event(led_event_t ledevt)
+#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
+static void ebsa110_led_set(struct led_classdev *cdev,
+ enum led_brightness b)
{
- unsigned long flags;
+ u8 reg = __raw_readb(SOFT_BASE);
- spin_lock_irqsave(&leds_lock, flags);
+ if (b != LED_OFF)
+ reg |= 0x80;
+ else
+ reg &= ~0x80;
- switch(ledevt) {
- case led_timer:
- *(volatile unsigned char *)SOFT_BASE ^= 128;
- break;
+ __raw_writeb(reg, SOFT_BASE);
+}
- default:
- break;
- }
+static enum led_brightness ebsa110_led_get(struct led_classdev *cdev)
+{
+ u8 reg = __raw_readb(SOFT_BASE);
- spin_unlock_irqrestore(&leds_lock, flags);
+ return (reg & 0x80) ? LED_FULL : LED_OFF;
}
-static int __init leds_init(void)
+static int __init ebsa110_leds_init(void)
{
- if (machine_is_ebsa110())
- leds_event = ebsa110_leds_event;
+
+ struct led_classdev *cdev;
+ int ret;
+
+ if (!machine_is_ebsa110())
+ return -ENODEV;
+
+ cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
+ if (!cdev)
+ return -ENOMEM;
+
+ cdev->name = "ebsa110:0";
+ cdev->brightness_set = ebsa110_led_set;
+ cdev->brightness_get = ebsa110_led_get;
+ cdev->default_trigger = "heartbeat";
+
+ ret = led_classdev_register(NULL, cdev);
+ if (ret < 0) {
+ kfree(cdev);
+ return ret;
+ }
return 0;
}
-__initcall(leds_init);
+/*
+ * Since we may have triggers on any subsystem, defer registration
+ * until after subsystem_init.
+ */
+fs_initcall(ebsa110_leds_init);
+#endif