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Ben Dooksf705b1a2005-06-29 11:09:15 +01001/* linux/arch/arm/mach-s3c2410/pm-simtec.c
2 *
3 * Copyright (c) 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/device.h>
22
23#include <asm/mach/arch.h>
24#include <asm/mach/map.h>
25
26#include <asm/hardware.h>
27#include <asm/io.h>
28
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>
33
34#include <asm/mach-types.h>
35
36#include "pm.h"
37
38#define COPYRIGHT ", (c) 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 return 0;
53
54 printk(KERN_INFO "Simtec Board Power Manangement" COPYRIGHT "\n");
55
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);
59
60 __raw_writel(gstatus4, S3C2410_GSTATUS4);
61
62 return s3c2410_pm_init();
63}
64
65arch_initcall(pm_simtec_init);