1/* 2 * linux/arch/arm/mach-clps711x/leds.c 3 * 4 * Integrator LED control routines 5 * 6 * Copyright (C) 2000 Deep Blue Solutions Ltd 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22#include <linux/kernel.h> 23#include <linux/init.h> 24 25#include <asm/hardware.h> 26#include <asm/io.h> 27#include <asm/leds.h> 28#include <asm/system.h> 29#include <asm/mach-types.h> 30 31#include <asm/hardware/clps7111.h> 32#include <asm/hardware/ep7212.h> 33 34static void p720t_leds_event(led_event_t ledevt) 35{ 36 unsigned long flags; 37 u32 pddr; 38 39 local_irq_save(flags); 40 switch(ledevt) { 41 case led_idle_start: 42 break; 43 44 case led_idle_end: 45 break; 46 47 case led_timer: 48 pddr = clps_readb(PDDR); 49 clps_writeb(pddr ^ 1, PDDR); 50 break; 51 52 default: 53 break; 54 } 55 56 local_irq_restore(flags); 57} 58 59static int __init leds_init(void) 60{ 61 if (machine_is_p720t()) 62 leds_event = p720t_leds_event; 63 64 return 0; 65} 66 67arch_initcall(leds_init); 68