1 #ifndef __ASMARM_ARCH_SCU_H 2 #define __ASMARM_ARCH_SCU_H 3 4 #define SCU_PM_NORMAL 0 5 #define SCU_PM_DORMANT 2 6 #define SCU_PM_POWEROFF 3 7 8 #ifndef __ASSEMBLER__ 9 10 #include <asm/cputype.h> 11 12 static inline bool scu_a9_has_base(void) 13 { 14 return read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9; 15 } 16 17 static inline unsigned long scu_a9_get_base(void) 18 { 19 unsigned long pa; 20 21 asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (pa)); 22 23 return pa; 24 } 25 26 unsigned int scu_get_core_count(void __iomem *); 27 int scu_power_mode(void __iomem *, unsigned int); 28 29 #ifdef CONFIG_SMP 30 void scu_enable(void __iomem *scu_base); 31 #else 32 static inline void scu_enable(void __iomem *scu_base) {} 33 #endif 34 35 #endif 36 37 #endif 38