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Ben Dooksa21765a2007-02-11 18:31:01 +01001/* linux/arch/arm/plat-s3c24xx/pm-simtec.c
Ben Dooksf705b1a2005-06-29 11:09:15 +01002 *
Ben Dooks50f430e2009-11-13 22:54:12 +00003 * Copyright 2004 Simtec Electronics
Ben Dooksf705b1a2005-06-29 11:09:15 +01004 * 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>
Ben Dooks333a42e2007-05-20 11:55:53 +010021#include <linux/sysdev.h>
Ben Dooksf705b1a2005-06-29 11:09:15 +010022#include <linux/device.h>
Russell Kingfced80c2008-09-06 12:10:45 +010023#include <linux/io.h>
Ben Dooksf705b1a2005-06-29 11:09:15 +010024
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
Russell Kinga09e64f2008-08-05 16:14:15 +010028#include <mach/hardware.h>
Ben Dooksf705b1a2005-06-29 11:09:15 +010029
Russell Kinga09e64f2008-08-05 16:14:15 +010030#include <mach/map.h>
31#include <mach/regs-gpio.h>
32#include <mach/regs-mem.h>
Ben Dooksf705b1a2005-06-29 11:09:15 +010033
34#include <asm/mach-types.h>
35
Ben Dooksa2b7ba92008-10-07 22:26:09 +010036#include <plat/pm.h>
Ben Dooksf705b1a2005-06-29 11:09:15 +010037
Ben Dooks50f430e2009-11-13 22:54:12 +000038#define COPYRIGHT ", Copyright 2005 Simtec Electronics"
Ben Dooksf705b1a2005-06-29 11:09:15 +010039
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
Ben Dooksc9b949a2006-06-24 21:22:35 +010051 if (!machine_is_bast() && !machine_is_vr1000() &&
David Anders26f90812006-09-26 17:46:00 +010052 !machine_is_anubis() && !machine_is_osiris() &&
53 !machine_is_aml_m5900())
Ben Dooksf705b1a2005-06-29 11:09:15 +010054 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
Ben Dooks4e59c252008-12-12 00:24:18 +000064 return s3c_pm_init();
Ben Dooksf705b1a2005-06-29 11:09:15 +010065}
66
67arch_initcall(pm_simtec_init);