diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch_timer.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/cp15.h | 14 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/arch.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/psci.h | 21 |
4 files changed, 41 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h index 7c1bfc0aea0c..4928cdacedf0 100644 --- a/arch/arm/include/asm/arch_timer.h +++ b/arch/arm/include/asm/arch_timer.h @@ -105,7 +105,7 @@ static inline void __cpuinit arch_counter_set_user_access(void) asm volatile("mrc p15, 0, %0, c14, c1, 0" : "=r" (cntkctl)); /* disable user access to everything */ - cntkctl &= ~((3 << 8) | (7 << 0)); + cntkctl &= ~((3 << 8) | (3 << 0)); asm volatile("mcr p15, 0, %0, c14, c1, 0" : : "r" (cntkctl)); } diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h index 1f3262e99d81..cedd3721318b 100644 --- a/arch/arm/include/asm/cp15.h +++ b/arch/arm/include/asm/cp15.h @@ -61,6 +61,20 @@ static inline void set_cr(unsigned int val) isb(); } +static inline unsigned int get_auxcr(void) +{ + unsigned int val; + asm("mrc p15, 0, %0, c1, c0, 1 @ get AUXCR" : "=r" (val)); + return val; +} + +static inline void set_auxcr(unsigned int val) +{ + asm volatile("mcr p15, 0, %0, c1, c0, 1 @ set AUXCR" + : : "r" (val)); + isb(); +} + #ifndef CONFIG_SMP extern void adjust_cr(unsigned long mask, unsigned long set); #endif diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 308ad7d6f98b..75bf07910b81 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#include <linux/types.h> + #ifndef __ASSEMBLY__ struct tag; @@ -16,8 +18,10 @@ struct pt_regs; struct smp_operations; #ifdef CONFIG_SMP #define smp_ops(ops) (&(ops)) +#define smp_init_ops(ops) (&(ops)) #else #define smp_ops(ops) (struct smp_operations *)NULL +#define smp_init_ops(ops) (bool (*)(void))NULL #endif struct machine_desc { @@ -41,6 +45,7 @@ struct machine_desc { unsigned char reserve_lp2 :1; /* never has lp2 */ char restart_mode; /* default restart mode */ struct smp_operations *smp; /* SMP operations */ + bool (*smp_init)(void); void (*fixup)(struct tag *, char **, struct meminfo *); void (*reserve)(void);/* reserve mem blocks */ diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h index ce0dbe7c1625..f0a8627c9f1c 100644 --- a/arch/arm/include/asm/psci.h +++ b/arch/arm/include/asm/psci.h @@ -16,6 +16,10 @@ #define PSCI_POWER_STATE_TYPE_STANDBY 0 #define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 +#define PSCI_POWER_STATE_AFFINITY_LEVEL0 0 +#define PSCI_POWER_STATE_AFFINITY_LEVEL1 1 +#define PSCI_POWER_STATE_AFFINITY_LEVEL2 2 +#define PSCI_POWER_STATE_AFFINITY_LEVEL3 3 struct psci_power_state { u16 id; @@ -32,5 +36,22 @@ struct psci_operations { }; extern struct psci_operations psci_ops; +extern struct smp_operations psci_smp_ops; +#ifdef CONFIG_ARM_PSCI +void psci_init(void); +bool psci_smp_available(void); +#else +static inline void psci_init(void) { } +static inline bool psci_smp_available(void) { return false; } +#endif + +#ifdef CONFIG_ARM_PSCI +extern int __init psci_probe(void); +#else +static inline int psci_probe(void) +{ + return -ENODEV; +} +#endif #endif /* __ASM_ARM_PSCI_H */ |