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| author | danh-arm <dan.handley@arm.com> | 2016-09-19 11:55:56 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-09-19 11:55:56 +0100 |
| commit | 7a1b2794307bf18cdea975b8897f8cd7e0579fc9 (patch) | |
| tree | ca6d2abfb9315c407c7dddb303c43a673ad447ee /include/lib | |
| parent | 368d4ebfc1682bfeea1057f7f37c23ca531e9e91 (diff) | |
| parent | 3cc17aae72287b993bcb2b626d7715ff9ed77790 (diff) | |
Merge pull request #702 from jeenu-arm/psci-node-hw-state
Support for PSCI NODE_HW_STATE
Diffstat (limited to 'include/lib')
| -rw-r--r-- | include/lib/psci/psci.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/lib/psci/psci.h b/include/lib/psci/psci.h index a583fef7..02cbbf35 100644 --- a/include/lib/psci/psci.h +++ b/include/lib/psci/psci.h @@ -78,6 +78,8 @@ #define PSCI_SYSTEM_OFF 0x84000008 #define PSCI_SYSTEM_RESET 0x84000009 #define PSCI_FEATURES 0x8400000A +#define PSCI_NODE_HW_STATE_AARCH32 0x8400000d +#define PSCI_NODE_HW_STATE_AARCH64 0xc400000d #define PSCI_SYSTEM_SUSPEND_AARCH32 0x8400000E #define PSCI_SYSTEM_SUSPEND_AARCH64 0xc400000E #define PSCI_STAT_RESIDENCY_AARCH32 0x84000010 @@ -200,6 +202,17 @@ typedef enum { } aff_info_state_t; /* + * These are the power states reported by PSCI_NODE_HW_STATE API for the + * specified CPU. The definitions of these states can be found in Section 5.15.3 + * of PSCI specification (ARM DEN 0022C). + */ +typedef enum { + HW_ON = 0, + HW_OFF = 1, + HW_STANDBY = 2 +} node_hw_state_t; + +/* * Macro to represent invalid affinity level within PSCI. */ #define PSCI_INVALID_PWR_LVL (PLAT_MAX_PWR_LVL + 1) @@ -293,6 +306,7 @@ typedef struct plat_psci_ops { int (*translate_power_state_by_mpidr)(u_register_t mpidr, unsigned int power_state, psci_power_state_t *output_state); + int (*get_node_hw_state)(u_register_t mpidr, unsigned int power_level); } plat_psci_ops_t; /******************************************************************************* @@ -330,6 +344,8 @@ int psci_affinity_info(u_register_t target_affinity, int psci_migrate(u_register_t target_cpu); int psci_migrate_info_type(void); long psci_migrate_info_up_cpu(void); +int psci_node_hw_state(u_register_t target_cpu, + unsigned int power_level); int psci_features(unsigned int psci_fid); void __dead2 psci_power_down_wfi(void); void psci_arch_setup(void); |