diff options
Diffstat (limited to 'arch/arm/mach-footbridge/ebsa285.c')
| -rw-r--r-- | arch/arm/mach-footbridge/ebsa285.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c index 3ff7a0c30a0f..aee8300f3490 100644 --- a/arch/arm/mach-footbridge/ebsa285.c +++ b/arch/arm/mach-footbridge/ebsa285.c @@ -4,6 +4,7 @@ * EBSA285 machine fixup */ #include <linux/init.h> +#include <linux/io.h> #include <linux/spinlock.h> #include <linux/slab.h> #include <linux/leds.h> @@ -17,6 +18,11 @@ /* LEDs */ #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) +#define XBUS_AMBER_L BIT(0) +#define XBUS_GREEN_L BIT(1) +#define XBUS_RED_L BIT(2) +#define XBUS_TOGGLE BIT(7) + struct ebsa285_led { struct led_classdev cdev; u8 mask; @@ -36,6 +42,7 @@ static const struct { }; static unsigned char hw_led_state; +static void __iomem *xbus; static void ebsa285_led_set(struct led_classdev *cdev, enum led_brightness b) @@ -47,7 +54,7 @@ static void ebsa285_led_set(struct led_classdev *cdev, hw_led_state |= led->mask; else hw_led_state &= ~led->mask; - *XBUS_LEDS = hw_led_state; + writeb(hw_led_state, xbus); } static enum led_brightness ebsa285_led_get(struct led_classdev *cdev) @@ -65,9 +72,13 @@ static int __init ebsa285_leds_init(void) if (!machine_is_ebsa285()) return -ENODEV; + xbus = ioremap(XBUS_CS2, SZ_4K); + if (!xbus) + return -ENOMEM; + /* 3 LEDS all off */ - hw_led_state = XBUS_LED_AMBER | XBUS_LED_GREEN | XBUS_LED_RED; - *XBUS_LEDS = hw_led_state; + hw_led_state = XBUS_AMBER_L | XBUS_GREEN_L | XBUS_RED_L; + writeb(hw_led_state, xbus); for (i = 0; i < ARRAY_SIZE(ebsa285_leds); i++) { struct ebsa285_led *led; |
