1 /* linux/arch/arm/mach-s3c2410/pm-simtec.c
3 * Copyright (c) 2004 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
8 * Power Management helpers for Simtec S3C24XX implementations
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.
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/device.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
26 #include <asm/hardware.h>
29 #include <asm/arch/map.h>
30 #include <asm/arch/regs-serial.h>
31 #include <asm/arch/regs-gpio.h>
32 #include <asm/arch/regs-mem.h>
34 #include <asm/mach-types.h>
38 #define COPYRIGHT ", (c) 2005 Simtec Electronics"
42 * enable the power management functions
45 static __init int pm_simtec_init(void)
47 unsigned long gstatus4;
49 /* check which machine we are running on */
51 if (!machine_is_bast() && !machine_is_vr1000())
54 printk(KERN_INFO "Simtec Board Power Manangement" COPYRIGHT "\n");
56 gstatus4 = (__raw_readl(S3C2410_BANKCON7) & 0x3) << 30;
57 gstatus4 |= (__raw_readl(S3C2410_BANKCON6) & 0x3) << 28;
58 gstatus4 |= (__raw_readl(S3C2410_BANKSIZE) & S3C2410_BANKSIZE_MASK);
60 __raw_writel(gstatus4, S3C2410_GSTATUS4);
62 return s3c2410_pm_init();
65 arch_initcall(pm_simtec_init);