diff options
Diffstat (limited to 'target/linux/at91-2.6/patches/002-led-driver.patch')
| -rw-r--r-- | target/linux/at91-2.6/patches/002-led-driver.patch | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/target/linux/at91-2.6/patches/002-led-driver.patch b/target/linux/at91-2.6/patches/002-led-driver.patch new file mode 100644 index 0000000000..51877d0682 --- /dev/null +++ b/target/linux/at91-2.6/patches/002-led-driver.patch @@ -0,0 +1,166 @@ +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); |