1/* linux/arch/arm/plat-s3c24xx/pm-simtec.c 2 * 3 * Copyright 2004 Simtec Electronics 4 * Ben Dooks <ben@simtec.co.uk> 5 * 6 * http://armlinux.simtec.co.uk/ 7 * 8 * Power Management helpers for Simtec S3C24XX implementations 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 as 12 * published by the Free Software Foundation. 13*/ 14 15#include <linux/kernel.h> 16#include <linux/types.h> 17#include <linux/interrupt.h> 18#include <linux/list.h> 19#include <linux/timer.h> 20#include <linux/init.h> 21#include <linux/sysdev.h> 22#include <linux/device.h> 23#include <linux/io.h> 24 25#include <asm/mach/arch.h> 26#include <asm/mach/map.h> 27 28#include <mach/hardware.h> 29 30#include <mach/map.h> 31#include <mach/regs-gpio.h> 32#include <mach/regs-mem.h> 33 34#include <asm/mach-types.h> 35 36#include <plat/pm.h> 37 38#define COPYRIGHT ", Copyright 2005 Simtec Electronics" 39 40/* pm_simtec_init 41 * 42 * enable the power management functions 43*/ 44 45static __init int pm_simtec_init(void) 46{ 47 unsigned long gstatus4; 48 49 /* check which machine we are running on */ 50 51 if (!machine_is_bast() && !machine_is_vr1000() && 52 !machine_is_anubis() && !machine_is_osiris() && 53 !machine_is_aml_m5900()) 54 return 0; 55 56 printk(KERN_INFO "Simtec Board Power Manangement" COPYRIGHT "\n"); 57 58 gstatus4 = (__raw_readl(S3C2410_BANKCON7) & 0x3) << 30; 59 gstatus4 |= (__raw_readl(S3C2410_BANKCON6) & 0x3) << 28; 60 gstatus4 |= (__raw_readl(S3C2410_BANKSIZE) & S3C2410_BANKSIZE_MASK); 61 62 __raw_writel(gstatus4, S3C2410_GSTATUS4); 63 64 return s3c_pm_init(); 65} 66 67arch_initcall(pm_simtec_init); 68