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-rw-r--r--arch/arm/mach-at91rm9200/Makefile9
-rw-r--r--arch/arm/mach-at91rm9200/board-csb337.c3
-rw-r--r--arch/arm/mach-at91rm9200/board-csb637.c3
-rw-r--r--arch/arm/mach-at91rm9200/board-dk.c3
-rw-r--r--arch/arm/mach-at91rm9200/board-ek.c3
-rw-r--r--arch/arm/mach-at91rm9200/devices.c19
-rw-r--r--arch/arm/mach-at91rm9200/leds.c100
-rw-r--r--include/asm-arm/arch-at91rm9200/board.h5
8 files changed, 141 insertions, 4 deletions
diff --git a/arch/arm/mach-at91rm9200/Makefile b/arch/arm/mach-at91rm9200/Makefile
index 75e6ee318de..ef88c4128ed 100644
--- a/arch/arm/mach-at91rm9200/Makefile
+++ b/arch/arm/mach-at91rm9200/Makefile
@@ -16,11 +16,12 @@ obj-$(CONFIG_MACH_CSB637) += board-csb637.o
#obj-$(CONFIG_MACH_KB9200) += board-kb9202.o
# LEDs support
-#led-$(CONFIG_ARCH_AT91RM9200DK) += leds.o
-#led-$(CONFIG_MACH_AT91RM9200EK) += leds.o
-#led-$(CONFIG_MACH_CSB337) += leds.o
-#led-$(CONFIG_MACH_CSB637) += leds.o
+led-$(CONFIG_ARCH_AT91RM9200DK) += leds.o
+led-$(CONFIG_MACH_AT91RM9200EK) += leds.o
+led-$(CONFIG_MACH_CSB337) += leds.o
+led-$(CONFIG_MACH_CSB637) += leds.o
#led-$(CONFIG_MACH_KB9200) += leds.o
+#led-$(CONFIG_MACH_KAFA) += leds.o
obj-$(CONFIG_LEDS) += $(led-y)
# VGA support
diff --git a/arch/arm/mach-at91rm9200/board-csb337.c b/arch/arm/mach-at91rm9200/board-csb337.c
index 54022e58d50..f45104ceea8 100644
--- a/arch/arm/mach-at91rm9200/board-csb337.c
+++ b/arch/arm/mach-at91rm9200/board-csb337.c
@@ -67,6 +67,9 @@ static void __init csb337_map_io(void)
/* Initialize clocks: 3.6864 MHz crystal */
at91_clock_init(3686400);
+ /* Setup the LEDs */
+ at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
+
#ifdef CONFIG_SERIAL_AT91
at91_console_port = CSB337_SERIAL_CONSOLE;
memcpy(at91_serial_map, serial, sizeof(serial));
diff --git a/arch/arm/mach-at91rm9200/board-csb637.c b/arch/arm/mach-at91rm9200/board-csb637.c
index 8195f9d919e..f2c2d6e79bc 100644
--- a/arch/arm/mach-at91rm9200/board-csb637.c
+++ b/arch/arm/mach-at91rm9200/board-csb637.c
@@ -67,6 +67,9 @@ static void __init csb637_map_io(void)
/* Initialize clocks: 3.6864 MHz crystal */
at91_clock_init(3686400);
+ /* Setup the LEDs */
+ at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
+
#ifdef CONFIG_SERIAL_AT91
at91_console_port = CSB637_SERIAL_CONSOLE;
memcpy(at91_serial_map, serial, sizeof(serial));
diff --git a/arch/arm/mach-at91rm9200/board-dk.c b/arch/arm/mach-at91rm9200/board-dk.c
index 8a783368366..fefbea882aa 100644
--- a/arch/arm/mach-at91rm9200/board-dk.c
+++ b/arch/arm/mach-at91rm9200/board-dk.c
@@ -70,6 +70,9 @@ static void __init dk_map_io(void)
/* Initialize clocks: 18.432 MHz crystal */
at91_clock_init(18432000);
+ /* Setup the LEDs */
+ at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
+
#ifdef CONFIG_SERIAL_AT91
at91_console_port = DK_SERIAL_CONSOLE;
memcpy(at91_serial_map, serial, sizeof(serial));
diff --git a/arch/arm/mach-at91rm9200/board-ek.c b/arch/arm/mach-at91rm9200/board-ek.c
index fd0752eba89..1f8e450060b 100644
--- a/arch/arm/mach-at91rm9200/board-ek.c
+++ b/arch/arm/mach-at91rm9200/board-ek.c
@@ -70,6 +70,9 @@ static void __init ek_map_io(void)
/* Initialize clocks: 18.432 MHz crystal */
at91_clock_init(18432000);
+ /* Setup the LEDs */
+ at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
+
#ifdef CONFIG_SERIAL_AT91
at91_console_port = EK_SERIAL_CONSOLE;
memcpy(at91_serial_map, serial, sizeof(serial));
diff --git a/arch/arm/mach-at91rm9200/devices.c b/arch/arm/mach-at91rm9200/devices.c
index 57eedd5beaf..aa36760efbc 100644
--- a/arch/arm/mach-at91rm9200/devices.c
+++ b/arch/arm/mach-at91rm9200/devices.c
@@ -290,4 +290,23 @@ void __init at91_add_device_mmc(struct at91_mmc_data *data)
void __init at91_add_device_mmc(struct at91_mmc_data *data) {}
#endif
+/* --------------------------------------------------------------------
+ * LEDs
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_LEDS)
+u8 at91_leds_cpu;
+u8 at91_leds_timer;
+
+void __init at91_init_leds(u8 cpu_led, u8 timer_led)
+{
+ at91_leds_cpu = cpu_led;
+ at91_leds_timer = timer_led;
+}
+
+#else
+void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
+#endif
+
+
/* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91rm9200/leds.c b/arch/arm/mach-at91rm9200/leds.c
new file mode 100644
index 00000000000..28150e8905b
--- /dev/null
+++ b/arch/arm/mach-at91rm9200/leds.c
@@ -0,0 +1,100 @@
+/*
+ * LED driver for Atmel AT91-based boards.
+ *
+ * Copyright (C) SAN People (Pty) Ltd
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+*/
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+#include <asm/mach-types.h>
+#include <asm/leds.h>
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+
+static inline void at91_led_on(unsigned int led)
+{
+ at91_set_gpio_value(led, 0);
+}
+
+static inline void at91_led_off(unsigned int led)
+{
+ at91_set_gpio_value(led, 1);
+}
+
+static inline void at91_led_toggle(unsigned int led)
+{
+ unsigned long is_off = at91_get_gpio_value(led);
+ if (is_off)
+ at91_led_on(led);
+ else
+ at91_led_off(led);
+}
+
+
+/*
+ * Handle LED events.
+ */
+static void at91_leds_event(led_event_t evt)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ switch(evt) {
+ case led_start: /* System startup */
+ at91_led_on(at91_leds_cpu);
+ break;
+
+ case led_stop: /* System stop / suspend */
+ at91_led_off(at91_leds_cpu);
+ break;
+
+#ifdef CONFIG_LEDS_TIMER
+ case led_timer: /* Every 50 timer ticks */
+ at91_led_toggle(at91_leds_timer);
+ break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+ case led_idle_start: /* Entering idle state */
+ at91_led_off(at91_leds_cpu);
+ break;
+
+ case led_idle_end: /* Exit idle state */
+ at91_led_on(at91_leds_cpu);
+ break;
+#endif
+
+ default:
+ break;
+ }
+
+ local_irq_restore(flags);
+}
+
+
+static int __init leds_init(void)
+{
+ if (!at91_leds_timer || !at91_leds_cpu)
+ return -ENODEV;
+
+ /* Enable PIO to access the LEDs */
+ at91_set_gpio_output(at91_leds_timer, 1);
+ at91_set_gpio_output(at91_leds_cpu, 1);
+
+ leds_event = at91_leds_event;
+
+ leds_event(led_start);
+ return 0;
+}
+
+__initcall(leds_init);
diff --git a/include/asm-arm/arch-at91rm9200/board.h b/include/asm-arm/arch-at91rm9200/board.h
index 2e7d1139a79..834d0ab991a 100644
--- a/include/asm-arm/arch-at91rm9200/board.h
+++ b/include/asm-arm/arch-at91rm9200/board.h
@@ -77,4 +77,9 @@ struct at91_usbh_data {
};
extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
+ /* LEDs */
+extern u8 at91_leds_cpu;
+extern u8 at91_leds_timer;
+extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
+
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 05:13:06 +0000