| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* linux/arch/arm/plat-s3c24xx/pm-simtec.c |
| 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 | * 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 | #include <linux/io.h> |
| 23 | |
| 24 | #include <asm/mach/arch.h> |
| 25 | #include <asm/mach/map.h> |
| 26 | |
| 27 | #include <mach/hardware.h> |
| 28 | |
| 29 | #include <mach/map.h> |
| 30 | #include <mach/regs-gpio.h> |
| 31 | |
| 32 | #include <asm/mach-types.h> |
| 33 | |
| 34 | #include <plat/pm.h> |
| 35 | |
| 36 | #include "regs-mem.h" |
| 37 | |
| 38 | #define COPYRIGHT ", Copyright 2005 Simtec Electronics" |
| 39 | |
| 40 | /* pm_simtec_init |
| 41 | * |
| 42 | * enable the power management functions |
| 43 | */ |
| 44 | |
| 45 | static __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 | !machine_is_anubis() && !machine_is_osiris() && |
| 53 | !machine_is_aml_m5900()) |
| 54 | return 0; |
| 55 | |
| 56 | printk(KERN_INFO "Simtec Board Power Management" 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 | |
| 64 | return s3c_pm_init(); |
| 65 | } |
| 66 | |
| 67 | arch_initcall(pm_simtec_init); |