simtec-pm.c

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/* linux/arch/arm/plat-s3c24xx/pm-simtec.c
 *
 * Copyright 2004 Simtec Electronics
 *  Ben Dooks <[email protected]>
 *
 * http://armlinux.simtec.co.uk/
 *
 * Power Management helpers for Simtec S3C24XX implementations
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/io.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <mach/hardware.h>

#include <mach/map.h>
#include <mach/regs-gpio.h>
#include <mach/regs-mem.h>

#include <asm/mach-types.h>

#include <plat/pm.h>

#define COPYRIGHT ", Copyright 2005 Simtec Electronics"

/* pm_simtec_init
 *
 * enable the power management functions
*/

static __init int pm_simtec_init(void)
{
    unsigned long gstatus4;

    /* check which machine we are running on */

    if (!machine_is_bast() && !machine_is_vr1000() &&
        !machine_is_anubis() && !machine_is_osiris() &&
        !machine_is_aml_m5900())
        return 0;

    printk(KERN_INFO "Simtec Board Power Management" COPYRIGHT "\n");

    gstatus4  = (__raw_readl(S3C2410_BANKCON7) & 0x3) << 30;
    gstatus4 |= (__raw_readl(S3C2410_BANKCON6) & 0x3) << 28;
    gstatus4 |= (__raw_readl(S3C2410_BANKSIZE) & S3C2410_BANKSIZE_MASK);

    __raw_writel(gstatus4, S3C2410_GSTATUS4);

    return s3c_pm_init();
}

arch_initcall(pm_simtec_init);