diff options
Diffstat (limited to 'services/spd/tspd/tspd_pm.c')
-rw-r--r-- | services/spd/tspd/tspd_pm.c | 59 |
1 files changed, 51 insertions, 8 deletions
diff --git a/services/spd/tspd/tspd_pm.c b/services/spd/tspd/tspd_pm.c index e9e037a1..16552853 100644 --- a/services/spd/tspd/tspd_pm.c +++ b/services/spd/tspd/tspd_pm.c @@ -193,16 +193,59 @@ static int32_t tspd_cpu_migrate_info(uint64_t *resident_cpu) } /******************************************************************************* + * System is about to be switched off. Allow the TSPD/TSP to perform + * any actions needed. + ******************************************************************************/ +static void tspd_system_off(void) +{ + uint64_t mpidr = read_mpidr(); + uint32_t linear_id = platform_get_core_pos(mpidr); + tsp_context_t *tsp_ctx = &tspd_sp_context[linear_id]; + + assert(tsp_vectors); + assert(get_tsp_pstate(tsp_ctx->state) == TSP_PSTATE_ON); + + /* Program the entry point */ + cm_set_elr_el3(SECURE, (uint64_t) &tsp_vectors->system_off_entry); + + /* Enter the TSP. We do not care about the return value because we + * must continue the shutdown anyway */ + tspd_synchronous_sp_entry(tsp_ctx); +} + +/******************************************************************************* + * System is about to be reset. Allow the TSPD/TSP to perform + * any actions needed. + ******************************************************************************/ +static void tspd_system_reset(void) +{ + uint64_t mpidr = read_mpidr(); + uint32_t linear_id = platform_get_core_pos(mpidr); + tsp_context_t *tsp_ctx = &tspd_sp_context[linear_id]; + + assert(tsp_vectors); + assert(get_tsp_pstate(tsp_ctx->state) == TSP_PSTATE_ON); + + /* Program the entry point */ + cm_set_elr_el3(SECURE, (uint64_t) &tsp_vectors->system_reset_entry); + + /* Enter the TSP. We do not care about the return value because we + * must continue the reset anyway */ + tspd_synchronous_sp_entry(tsp_ctx); +} + +/******************************************************************************* * Structure populated by the TSP Dispatcher to be given a chance to perform any * TSP bookkeeping before PSCI executes a power mgmt. operation. ******************************************************************************/ const spd_pm_ops_t tspd_pm = { - tspd_cpu_on_handler, - tspd_cpu_off_handler, - tspd_cpu_suspend_handler, - tspd_cpu_on_finish_handler, - tspd_cpu_suspend_finish_handler, - NULL, - tspd_cpu_migrate_info + .svc_on = tspd_cpu_on_handler, + .svc_off = tspd_cpu_off_handler, + .svc_suspend = tspd_cpu_suspend_handler, + .svc_on_finish = tspd_cpu_on_finish_handler, + .svc_suspend_finish = tspd_cpu_suspend_finish_handler, + .svc_migrate = NULL, + .svc_migrate_info = tspd_cpu_migrate_info, + .svc_system_off = tspd_system_off, + .svc_system_reset = tspd_system_reset }; - |