2 * linux/arch/arm/mach-footbridge/ebsa285.c
4 * EBSA285 machine fixup
6 #include <linux/init.h>
7 #include <linux/spinlock.h>
8 #include <linux/slab.h>
9 #include <linux/leds.h>
11 #include <asm/hardware/dec21285.h>
12 #include <asm/mach-types.h>
14 #include <asm/mach/arch.h>
19 #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
21 struct led_classdev cdev;
26 * The triggers lines up below will only be used if the
27 * LED triggers are compiled in.
33 { "ebsa285:amber", "cpu0", },
34 { "ebsa285:green", "heartbeat", },
38 static unsigned char hw_led_state;
40 static void ebsa285_led_set(struct led_classdev *cdev,
41 enum led_brightness b)
43 struct ebsa285_led *led = container_of(cdev,
44 struct ebsa285_led, cdev);
47 hw_led_state |= led->mask;
49 hw_led_state &= ~led->mask;
50 *XBUS_LEDS = hw_led_state;
53 static enum led_brightness ebsa285_led_get(struct led_classdev *cdev)
55 struct ebsa285_led *led = container_of(cdev,
56 struct ebsa285_led, cdev);
58 return hw_led_state & led->mask ? LED_OFF : LED_FULL;
61 static int __init ebsa285_leds_init(void)
65 if (!machine_is_ebsa285())
69 hw_led_state = XBUS_LED_AMBER | XBUS_LED_GREEN | XBUS_LED_RED;
70 *XBUS_LEDS = hw_led_state;
72 for (i = 0; i < ARRAY_SIZE(ebsa285_leds); i++) {
73 struct ebsa285_led *led;
75 led = kzalloc(sizeof(*led), GFP_KERNEL);
79 led->cdev.name = ebsa285_leds[i].name;
80 led->cdev.brightness_set = ebsa285_led_set;
81 led->cdev.brightness_get = ebsa285_led_get;
82 led->cdev.default_trigger = ebsa285_leds[i].trigger;
85 if (led_classdev_register(NULL, &led->cdev) < 0) {
95 * Since we may have triggers on any subsystem, defer registration
96 * until after subsystem_init.
98 fs_initcall(ebsa285_leds_init);
101 MACHINE_START(EBSA285, "EBSA285")
102 /* Maintainer: Russell King */
103 .atag_offset = 0x100,
104 .video_start = 0x000a0000,
105 .video_end = 0x000bffff,
106 .map_io = footbridge_map_io,
107 .init_irq = footbridge_init_irq,
108 .init_time = footbridge_timer_init,
109 .restart = footbridge_restart,