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
,