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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/mach-s3c/simtec-pm.c | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-s3c/simtec-pm.c')
-rw-r--r-- | arch/arm/mach-s3c/simtec-pm.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/simtec-pm.c b/arch/arm/mach-s3c/simtec-pm.c new file mode 100644 index 000000000..490256a76 --- /dev/null +++ b/arch/arm/mach-s3c/simtec-pm.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright 2004 Simtec Electronics +// Ben Dooks <ben@simtec.co.uk> +// +// http://armlinux.simtec.co.uk/ +// +// Power Management helpers for Simtec S3C24XX implementations + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "map.h" +#include "regs-gpio.h" + +#include <asm/mach-types.h> + +#include "pm.h" + +#include "regs-mem-s3c24xx.h" + +#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 Management" 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); |