From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/arm/include/asm/smp_scu.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 arch/arm/include/asm/smp_scu.h (limited to 'arch/arm/include/asm/smp_scu.h') diff --git a/arch/arm/include/asm/smp_scu.h b/arch/arm/include/asm/smp_scu.h new file mode 100644 index 00000000..1a292d8b --- /dev/null +++ b/arch/arm/include/asm/smp_scu.h @@ -0,0 +1,37 @@ +#ifndef __ASMARM_ARCH_SCU_H +#define __ASMARM_ARCH_SCU_H + +#define SCU_PM_NORMAL 0 +#define SCU_PM_DORMANT 2 +#define SCU_PM_POWEROFF 3 + +#ifndef __ASSEMBLER__ + +#include + +static inline bool scu_a9_has_base(void) +{ + return read_cpuid_part() == ARM_CPU_PART_CORTEX_A9; +} + +static inline unsigned long scu_a9_get_base(void) +{ + unsigned long pa; + + asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (pa)); + + return pa; +} + +unsigned int scu_get_core_count(void __iomem *); +int scu_power_mode(void __iomem *, unsigned int); + +#ifdef CONFIG_SMP +void scu_enable(void __iomem *scu_base); +#else +static inline void scu_enable(void __iomem *scu_base) {} +#endif + +#endif + +#endif -- cgit v1.3.1