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 #include <linux/io.h> 25 26 #include <mach/hardware.h> 27 #include <asm/leds.h> 28 #include <asm/mach-types.h> 29 30 #include <asm/hardware/clps7111.h> 31 #include <asm/hardware/ep7212.h> 32 p720t_leds_event(led_event_t ledevt)33static void p720t_leds_event(led_event_t ledevt) 34 { 35 unsigned long flags; 36 u32 pddr; 37 38 local_irq_save(flags); 39 switch(ledevt) { 40 case led_idle_start: 41 break; 42 43 case led_idle_end: 44 break; 45 46 case led_timer: 47 pddr = clps_readb(PDDR); 48 clps_writeb(pddr ^ 1, PDDR); 49 break; 50 51 default: 52 break; 53 } 54 55 local_irq_restore(flags); 56 } 57 leds_init(void)58static int __init leds_init(void) 59 { 60 if (machine_is_p720t()) 61 leds_event = p720t_leds_event; 62 63 return 0; 64 } 65 66 arch_initcall(leds_init); 67