/* * Copyright (c) 2006-2022, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-09-09 GuEe-GUI The first version */ #ifndef __PSCI_H__ #define __PSCI_H__ #include /* * Non-Confidential PSCI 1.0 release (30 January 2015), and errata fix for PSCI 0.2, unsupport PSCI 0.1 */ /* PSCI 0.2 interface */ #define PSCI_0_2_FN_BASE 0x84000000 #define PSCI_0_2_FN(n) (PSCI_0_2_FN_BASE + (n)) #define PSCI_0_2_FN_END 0x8400001F #define PSCI_0_2_FN64_BASE 0xC4000000 #define PSCI_0_2_FN64(n) (PSCI_0_2_FN64_BASE + (n)) #define PSCI_0_2_FN64_END 0xC400001F #define PSCI_0_2_FN_PSCI_VERSION PSCI_0_2_FN(0) #define PSCI_0_2_FN_CPU_SUSPEND PSCI_0_2_FN(1) #define PSCI_0_2_FN_CPU_OFF PSCI_0_2_FN(2) #define PSCI_0_2_FN_CPU_ON PSCI_0_2_FN(3) #define PSCI_0_2_FN_AFFINITY_INFO PSCI_0_2_FN(4) #define PSCI_0_2_FN_MIGRATE PSCI_0_2_FN(5) #define PSCI_0_2_FN_MIGRATE_INFO_TYPE PSCI_0_2_FN(6) #define PSCI_0_2_FN_MIGRATE_INFO_UP_CPU PSCI_0_2_FN(7) #define PSCI_0_2_FN_SYSTEM_OFF PSCI_0_2_FN(8) #define PSCI_0_2_FN_SYSTEM_RESET PSCI_0_2_FN(9) #define PSCI_0_2_FN64_CPU_SUSPEND PSCI_0_2_FN64(1) #define PSCI_0_2_FN64_CPU_ON PSCI_0_2_FN64(3) #define PSCI_0_2_FN64_AFFINITY_INFO PSCI_0_2_FN64(4) #define PSCI_0_2_FN64_MIGRATE PSCI_0_2_FN64(5) #define PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU PSCI_0_2_FN64(7) /* PSCI 1.0 interface */ #define PSCI_1_0_FN_PSCI_FEATURES PSCI_0_2_FN(10) #define PSCI_1_0_FN_CPU_FREEZE PSCI_0_2_FN(11) #define PSCI_1_0_FN_CPU_DEFAULT_SUSPEND PSCI_0_2_FN(12) #define PSCI_1_0_FN_NODE_HW_STATE PSCI_0_2_FN(13) #define PSCI_1_0_FN_SYSTEM_SUSPEND PSCI_0_2_FN(14) #define PSCI_1_0_FN_SET_SUSPEND_MODE PSCI_0_2_FN(15) #define PSCI_1_0_FN_STAT_RESIDENCY PSCI_0_2_FN(16) #define PSCI_1_0_FN_STAT_COUNT PSCI_0_2_FN(17) #define PSCI_1_1_FN_SYSTEM_RESET2 PSCI_0_2_FN(18) #define PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND PSCI_0_2_FN64(12) #define PSCI_1_0_FN64_NODE_HW_STATE PSCI_0_2_FN64(13) #define PSCI_1_0_FN64_SYSTEM_SUSPEND PSCI_0_2_FN64(14) #define PSCI_1_0_FN64_STAT_RESIDENCY PSCI_0_2_FN64(16) #define PSCI_1_0_FN64_STAT_COUNT PSCI_0_2_FN64(17) #define PSCI_1_1_FN64_SYSTEM_RESET2 PSCI_0_2_FN64(18) /* PSCI version decoding (independent of PSCI version) */ #define PSCI_VERSION_MAJOR_SHIFT 16 #define PSCI_VERSION_MINOR_MASK ((1U << PSCI_VERSION_MAJOR_SHIFT) - 1) #define PSCI_VERSION_MAJOR_MASK ~PSCI_VERSION_MINOR_MASK #define PSCI_VERSION_MAJOR(version) (((version) & PSCI_VERSION_MAJOR_MASK) >> PSCI_VERSION_MAJOR_SHIFT) #define PSCI_VERSION_MINOR(version) ((version) & PSCI_VERSION_MINOR_MASK) #define PSCI_VERSION(major, min) ((((major) << PSCI_VERSION_MAJOR_SHIFT) & PSCI_VERSION_MAJOR_MASK) | \ ((min) & PSCI_VERSION_MINOR_MASK)) /* 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 /* * PSCI power state * power_level: * Level 0: cores * Level 1: clusters * Level 2: system * state_type: * value 0: standby or retention state * value 1: powerdown state(entry and context_id is valid) * state_id: * StateID */ #define PSCI_POWER_STATE_LEVEL_CORES 0 #define PSCI_POWER_STATE_LEVEL_CLUSTERS 1 #define PSCI_POWER_STATE_LEVEL_SYSTEM 2 #define PSCI_POWER_STATE_TYPE_STANDBY 0 #define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 #define PSCI_POWER_LEVEL_SHIFT 24 #define PSCI_POWER_STATE_TYPE_SHIFT 16 #define PSCI_POWER_STATE_ID_SHIFT 0 #define PSCI_POWER_STATE(power_level, state_type, state_id) \ ( \ ((power_level) << PSCI_POWER_LEVEL_SHIFT) | \ ((state_type) << PSCI_POWER_STATE_TYPE_SHIFT) | \ ((state_id) << PSCI_POWER_STATE_ID_SHIFT) \ ) #define PSCI_POWER_LEVEL_VAL(state) (((state) >> PSCI_POWER_LEVEL_SHIFT) & 0x3) #define PSCI_POWER_STATE_TYPE_VAL(state) (((state) >> PSCI_POWER_STATE_TYPE_SHIFT) & 0x1) #define PSCI_POWER_STATE_ID_VAL(state) (((state) >> PSCI_POWER_STATE_ID_SHIFT) & 0xffff) /* * For system, cluster, core * 0: run * 1: standby(only core) * 2: retention * 3: powerdown */ #define PSCI_POWER_STATE_ID_RUN 0 #define PSCI_POWER_STATE_ID_STANDBY 1 #define PSCI_POWER_STATE_ID_RETENTION 2 #define PSCI_POWER_STATE_ID_POWERDOWN 3 #define PSCI_POWER_STATE_ID(state_id_power_level, system, cluster, core) \ ( \ ((state_id_power_level) << 12) | \ ((system) << 8) | \ ((cluster) << 4) | \ (core) \ ) #define PSCI_RET_SUCCESS 0 #define PSCI_RET_NOT_SUPPORTED (-1) #define PSCI_RET_INVALID_PARAMETERS (-2) #define PSCI_RET_DENIED (-3) #define PSCI_RET_ALREADY_ON (-4) #define PSCI_RET_ON_PENDING (-5) #define PSCI_RET_INTERNAL_FAILURE (-6) #define PSCI_RET_NOT_PRESENT (-7) #define PSCI_RET_DISABLED (-8) #define PSCI_RET_INVALID_ADDRESS (-9) void psci_system_off(void); void psci_system_reboot(void); rt_uint32_t rt_psci_get_version(void); rt_uint32_t rt_psci_cpu_on(int cpuid, rt_ubase_t entry_point); rt_uint32_t rt_psci_cpu_off(rt_uint32_t state); rt_uint32_t rt_psci_cpu_suspend(rt_uint32_t power_state, rt_ubase_t entry_point); rt_uint32_t rt_psci_migrate(int cpuid); rt_uint32_t rt_psci_get_affinity_info(rt_ubase_t target_affinity, rt_ubase_t lowest_affinity_level); rt_uint32_t rt_psci_migrate_info_type(void); #endif /* __PSCI_H__ */