diff options
Diffstat (limited to 'arch/arm/include/asm/smp_scu.h')
-rw-r--r-- | arch/arm/include/asm/smp_scu.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/include/asm/smp_scu.h b/arch/arm/include/asm/smp_scu.h index 86dff32..18d1693 100644 --- a/arch/arm/include/asm/smp_scu.h +++ b/arch/arm/include/asm/smp_scu.h @@ -6,6 +6,23 @@ #define SCU_PM_POWEROFF 3 #ifndef __ASSEMBLER__ + +#include <asm/cputype.h> + +static inline bool scu_a9_has_base(void) +{ + return read_cpuid_part_number() == 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); |