diff options
Diffstat (limited to 'arch/arm/include/asm/psci.h')
| -rw-r--r-- | arch/arm/include/asm/psci.h | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h index 128a606..5b8ce4d 100644 --- a/arch/arm/include/asm/psci.h +++ b/arch/arm/include/asm/psci.h @@ -18,7 +18,10 @@ #ifndef __ARM_PSCI_H__ #define __ARM_PSCI_H__ -/* PSCI interface */ +#define ARM_PSCI_VER_1_0 (0x00010000) +#define ARM_PSCI_VER_0_2 (0x00000002) + +/* PSCI 0.1 interface */ #define ARM_PSCI_FN_BASE 0x95c1ba5e #define ARM_PSCI_FN(n) (ARM_PSCI_FN_BASE + (n)) @@ -31,10 +34,61 @@ #define ARM_PSCI_RET_NI (-1) #define ARM_PSCI_RET_INVAL (-2) #define ARM_PSCI_RET_DENIED (-3) +#define ARM_PSCI_RET_ALREADY_ON (-4) +#define ARM_PSCI_RET_ON_PENDING (-5) +#define ARM_PSCI_RET_INTERNAL_FAILURE (-6) +#define ARM_PSCI_RET_NOT_PRESENT (-7) +#define ARM_PSCI_RET_DISABLED (-8) +#define ARM_PSCI_RET_INVALID_ADDRESS (-9) + +/* PSCI 0.2 interface */ +#define ARM_PSCI_0_2_FN_BASE 0x84000000 +#define ARM_PSCI_0_2_FN(n) (ARM_PSCI_0_2_FN_BASE + (n)) + +#define ARM_PSCI_0_2_FN_PSCI_VERSION ARM_PSCI_0_2_FN(0) +#define ARM_PSCI_0_2_FN_CPU_SUSPEND ARM_PSCI_0_2_FN(1) +#define ARM_PSCI_0_2_FN_CPU_OFF ARM_PSCI_0_2_FN(2) +#define ARM_PSCI_0_2_FN_CPU_ON ARM_PSCI_0_2_FN(3) +#define ARM_PSCI_0_2_FN_AFFINITY_INFO ARM_PSCI_0_2_FN(4) +#define ARM_PSCI_0_2_FN_MIGRATE ARM_PSCI_0_2_FN(5) +#define ARM_PSCI_0_2_FN_MIGRATE_INFO_TYPE ARM_PSCI_0_2_FN(6) +#define ARM_PSCI_0_2_FN_MIGRATE_INFO_UP_CPU ARM_PSCI_0_2_FN(7) +#define ARM_PSCI_0_2_FN_SYSTEM_OFF ARM_PSCI_0_2_FN(8) +#define ARM_PSCI_0_2_FN_SYSTEM_RESET ARM_PSCI_0_2_FN(9) + +/* PSCI 1.0 interface */ +#define ARM_PSCI_1_0_FN_PSCI_FEATURES ARM_PSCI_0_2_FN(10) +#define ARM_PSCI_1_0_FN_CPU_FREEZE ARM_PSCI_0_2_FN(11) +#define ARM_PSCI_1_0_FN_CPU_DEFAULT_SUSPEND ARM_PSCI_0_2_FN(12) +#define ARM_PSCI_1_0_FN_NODE_HW_STATE ARM_PSCI_0_2_FN(13) +#define ARM_PSCI_1_0_FN_SYSTEM_SUSPEND ARM_PSCI_0_2_FN(14) +#define ARM_PSCI_1_0_FN_SET_SUSPEND_MODE ARM_PSCI_0_2_FN(15) +#define ARM_PSCI_1_0_FN_STAT_RESIDENCY ARM_PSCI_0_2_FN(16) +#define ARM_PSCI_1_0_FN_STAT_COUNT ARM_PSCI_0_2_FN(17) + +/* 1KB stack per core */ +#define ARM_PSCI_STACK_SHIFT 10 +#define ARM_PSCI_STACK_SIZE (1 << ARM_PSCI_STACK_SHIFT) + +/* PSCI affinity level state returned by AFFINITY_INFO */ +#define PSCI_AFFINITY_LEVEL_ON 0 +#define PSCI_AFFINITY_LEVEL_OFF 1 +#define PSCI_AFFINITY_LEVEL_ON_PENDING 2 #ifndef __ASSEMBLY__ +#include <asm/types.h> + +/* These 2 helper functions assume cpu < CONFIG_ARMV7_PSCI_NR_CPUS */ +u32 psci_get_target_pc(int cpu); +void psci_save_target_pc(int cpu, u32 pc); + +void psci_cpu_entry(void); +u32 psci_get_cpu_id(void); +void psci_cpu_off_common(void); + int psci_update_dt(void *fdt); void psci_board_init(void); +int fdt_psci(void *fdt); #endif /* ! __ASSEMBLY__ */ #endif /* __ARM_PSCI_H__ */ |