From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/plat-s3c24xx/pm-simtec.c | 67 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 arch/arm/plat-s3c24xx/pm-simtec.c (limited to 'arch/arm/plat-s3c24xx/pm-simtec.c') diff --git a/arch/arm/plat-s3c24xx/pm-simtec.c b/arch/arm/plat-s3c24xx/pm-simtec.c new file mode 100644 index 00000000..663b280d --- /dev/null +++ b/arch/arm/plat-s3c24xx/pm-simtec.c @@ -0,0 +1,67 @@ +/* linux/arch/arm/plat-s3c24xx/pm-simtec.c + * + * Copyright 2004 Simtec Electronics + * Ben Dooks + * + * http://armlinux.simtec.co.uk/ + * + * Power Management helpers for Simtec S3C24XX implementations + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include + +#include +#include +#include + +#include + +#include + +#define COPYRIGHT ", Copyright 2005 Simtec Electronics" + +/* pm_simtec_init + * + * enable the power management functions +*/ + +static __init int pm_simtec_init(void) +{ + unsigned long gstatus4; + + /* check which machine we are running on */ + + if (!machine_is_bast() && !machine_is_vr1000() && + !machine_is_anubis() && !machine_is_osiris() && + !machine_is_aml_m5900()) + return 0; + + printk(KERN_INFO "Simtec Board Power Manangement" COPYRIGHT "\n"); + + gstatus4 = (__raw_readl(S3C2410_BANKCON7) & 0x3) << 30; + gstatus4 |= (__raw_readl(S3C2410_BANKCON6) & 0x3) << 28; + gstatus4 |= (__raw_readl(S3C2410_BANKSIZE) & S3C2410_BANKSIZE_MASK); + + __raw_writel(gstatus4, S3C2410_GSTATUS4); + + return s3c_pm_init(); +} + +arch_initcall(pm_simtec_init); -- cgit v1.2.3