1// SPDX-License-Identifier: GPL-2.0
 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#include <linux/kernel.h>
11#include <linux/types.h>
12#include <linux/interrupt.h>
13#include <linux/list.h>
14#include <linux/timer.h>
15#include <linux/init.h>
16#include <linux/device.h>
17#include <linux/io.h>
18
19#include <asm/mach/arch.h>
20#include <asm/mach/map.h>
21
22#include "map.h"
23#include "regs-gpio.h"
24
25#include <asm/mach-types.h>
26
27#include "pm.h"
28
29#include "regs-mem-s3c24xx.h"
30
31#define COPYRIGHT ", Copyright 2005 Simtec Electronics"
32
33/* pm_simtec_init
34 *
35 * enable the power management functions
36*/
37
38static __init int pm_simtec_init(void)
39{
40	unsigned long gstatus4;
41
42	/* check which machine we are running on */
43
44	if (!machine_is_bast() && !machine_is_vr1000() &&
45	    !machine_is_anubis() && !machine_is_osiris() &&
46	    !machine_is_aml_m5900())
47		return 0;
48
49	printk(KERN_INFO "Simtec Board Power Management" COPYRIGHT "\n");
50
51	gstatus4  = (__raw_readl(S3C2410_BANKCON7) & 0x3) << 30;
52	gstatus4 |= (__raw_readl(S3C2410_BANKCON6) & 0x3) << 28;
53	gstatus4 |= (__raw_readl(S3C2410_BANKSIZE) & S3C2410_BANKSIZE_MASK);
54
55	__raw_writel(gstatus4, S3C2410_GSTATUS4);
56
57	return s3c_pm_init();
58}
59
60arch_initcall(pm_simtec_init);