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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-05 18:28:27 +02:00
openwrt-xburst/target/linux/at91-2.6/patches/002-led-driver.patch
hcg add6fc7bda Add support for LED drivers (clock tick and CPU activity)
Removed partition support (done on command line now)


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6531 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-03-06 20:40:41 +00:00

167 lines
4.3 KiB
Diff

diff -urN linux-2.6.19.2.old/arch/arm/mach-at91rm9200/Makefile linux-2.6.19.2/arch/arm/mach-at91rm9200/Makefile
--- linux-2.6.19.2.old/arch/arm/mach-at91rm9200/Makefile 2007-03-06 11:29:37.000000000 +0100
+++ linux-2.6.19.2/arch/arm/mach-at91rm9200/Makefile 2007-03-06 20:52:28.000000000 +0100
@@ -40,6 +40,7 @@
led-$(CONFIG_MACH_CSB637) += leds.o
led-$(CONFIG_MACH_KB9200) += leds.o
led-$(CONFIG_MACH_KAFA) += leds.o
+led-$(CONFIG_MACH_VLINK) += vlink_leds.o
obj-$(CONFIG_LEDS) += $(led-y)
# VGA support
diff -urN linux-2.6.19.2.old/arch/arm/mach-at91rm9200/vlink_leds.c linux-2.6.19.2/arch/arm/mach-at91rm9200/vlink_leds.c
--- linux-2.6.19.2.old/arch/arm/mach-at91rm9200/vlink_leds.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.19.2/arch/arm/mach-at91rm9200/vlink_leds.c 2007-03-06 21:11:16.000000000 +0100
@@ -0,0 +1,151 @@
+/*
+ * LED driver for Atmel AT91-based boards.
+ *
+ * Copyright (C) SAN People (Pty) Ltd
+ *
+ * Modified for FDL Versalink board (c) Guthrie Consulting
+ *
+ * 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/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>
+
+#define LED_CPU 0
+#define LED_TIMER 1
+#define LED_COM1 2
+#define LED_COM2 3
+
+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(AT91_PIN_PC7);
+ if (is_off) {
+ at91_set_gpio_value(AT91_PIN_PC7, 0);
+ at91_set_gpio_value(AT91_PIN_PC8, 1);
+ } else {
+ at91_set_gpio_value(AT91_PIN_PC7, 1);
+ at91_set_gpio_value(AT91_PIN_PC8, 0);
+ }
+}
+
+
+/*
+ * 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);
+ at91_led_toggle(at91_leds_timer);
+/*
+ at91_set_gpio_value(AT91_PIN_PC7, 0);
+ at91_set_gpio_value(AT91_PIN_PC8, 1);
+*/
+ break;
+
+ case led_stop: /* System stop / suspend */
+ at91_led_toggle(at91_leds_timer);
+/*
+ at91_set_gpio_value(AT91_PIN_PC7, 1);
+ at91_set_gpio_value(AT91_PIN_PC8, 0);
+*/
+ 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_toggle(at91_leds_timer);
+/*
+ at91_set_gpio_value(AT91_PIN_PC7, 1);
+ at91_set_gpio_value(AT91_PIN_PC8, 0);
+*/
+ break;
+
+ case led_idle_end: /* Exit idle state */
+ at91_led_toggle(at91_leds_timer);
+/*
+ at91_set_gpio_value(AT91_PIN_PC7, 0);
+ at91_set_gpio_value(AT91_PIN_PC8, 1);
+*/
+ break;
+#endif
+
+ default:
+ break;
+ }
+
+ local_irq_restore(flags);
+}
+
+
+static int __init leds_init(void)
+{
+/* if (!at91_leds_timer || !at91_leds_cpu)
+ return -ENODEV;
+*/
+// printk("leds_init()\n");
+
+ /* Enable PIO to access the LEDs */
+ at91_set_gpio_output(AT91_PIN_PC7, 1);
+ at91_set_gpio_output(AT91_PIN_PC8, 1);
+ at91_set_gpio_output(AT91_PIN_PC14, 1);
+ at91_set_gpio_output(AT91_PIN_PC15, 1);
+ at91_set_gpio_output(AT91_PIN_PB14, 1);
+ at91_set_gpio_output(AT91_PIN_PB15, 1);
+ at91_set_gpio_output(AT91_PIN_PB16, 1);
+ at91_set_gpio_output(AT91_PIN_PB17, 1);
+
+ at91_set_gpio_output(AT91_PIN_PB9, 1);
+ at91_set_gpio_output(AT91_PIN_PB10, 1);
+ at91_set_gpio_output(AT91_PIN_PB11, 1);
+ at91_set_gpio_output(AT91_PIN_PB12, 1);
+
+ at91_set_gpio_input(AT91_PIN_PB8, 1);
+ at91_set_gpio_input(AT91_PIN_PB22, 1);
+ at91_set_gpio_input(AT91_PIN_PA19, 1);
+ at91_set_gpio_input(AT91_PIN_PA24, 1);
+ at91_set_gpio_output(AT91_PIN_PA29, 1);
+ at91_set_gpio_output(AT91_PIN_PB2, 1);
+ at91_set_gpio_output(AT91_PIN_PB3, 1);
+ at91_set_gpio_output(AT91_PIN_PB4, 1);
+
+ at91_set_gpio_input(AT91_PIN_PB27, 1);
+ at91_set_gpio_input(AT91_PIN_PB28, 1);
+ at91_set_gpio_input(AT91_PIN_PB29, 1);
+
+ leds_event = at91_leds_event;
+
+ leds_event(led_start);
+ return 0;
+}
+
+__initcall(leds_init);