static void __dead2 zynqmp_system_reset(void) { /* disable coherency */ plat_arm_interconnect_exit_coherency(); /* Send the system reset request to the PMU */ pm_system_shutdown(1); while (1) wfi(); }
static void __dead2 zynqmp_system_reset(void) { /* disable coherency */ plat_arm_interconnect_exit_coherency(); /* Send the system reset request to the PMU */ pm_system_shutdown(PMF_SHUTDOWN_TYPE_RESET, pm_get_shutdown_scope()); while (1) wfi(); }
/** * pm_smc_handler() - SMC handler for PM-API calls coming from EL1/EL2. * @smc_fid - Function Identifier * @x1 - x4 - Arguments * @cookie - Unused * @handler - Pointer to caller's context structure * * @return - Unused * * Determines that smc_fid is valid and supported PM SMC Function ID from the * list of pm_api_ids, otherwise completes the request with * the unknown SMC Function ID * * The SMC calls for PM service are forwarded from SIP Service SMC handler * function with rt_svc_handle signature */ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4, void *cookie, void *handle, uint64_t flags) { enum pm_ret_status ret; uint32_t pm_arg[4]; /* Handle case where PM wasn't initialized properly */ if (pm_down) SMC_RET1(handle, SMC_UNK); pm_arg[0] = (uint32_t)x1; pm_arg[1] = (uint32_t)(x1 >> 32); pm_arg[2] = (uint32_t)x2; pm_arg[3] = (uint32_t)(x2 >> 32); switch (smc_fid & FUNCID_NUM_MASK) { /* PM API Functions */ case PM_SELF_SUSPEND: ret = pm_self_suspend(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]); SMC_RET1(handle, (uint64_t)ret); case PM_REQ_SUSPEND: ret = pm_req_suspend(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]); SMC_RET1(handle, (uint64_t)ret); case PM_REQ_WAKEUP: ret = pm_req_wakeup(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]); SMC_RET1(handle, (uint64_t)ret); case PM_FORCE_POWERDOWN: ret = pm_force_powerdown(pm_arg[0], pm_arg[1]); SMC_RET1(handle, (uint64_t)ret); case PM_ABORT_SUSPEND: ret = pm_abort_suspend(pm_arg[0]); SMC_RET1(handle, (uint64_t)ret); case PM_SET_WAKEUP_SOURCE: ret = pm_set_wakeup_source(pm_arg[0], pm_arg[1], pm_arg[2]); SMC_RET1(handle, (uint64_t)ret); case PM_SYSTEM_SHUTDOWN: ret = pm_system_shutdown(pm_arg[0]); SMC_RET1(handle, (uint64_t)ret); case PM_REQ_NODE: ret = pm_req_node(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]); SMC_RET1(handle, (uint64_t)ret); case PM_RELEASE_NODE: ret = pm_release_node(pm_arg[0]); SMC_RET1(handle, (uint64_t)ret); case PM_SET_REQUIREMENT: ret = pm_set_requirement(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]); SMC_RET1(handle, (uint64_t)ret); case PM_SET_MAX_LATENCY: ret = pm_set_max_latency(pm_arg[0], pm_arg[1]); SMC_RET1(handle, (uint64_t)ret); case PM_GET_API_VERSION: /* Check is PM API version already verified */ if (pm_ctx.api_version == PM_VERSION) SMC_RET1(handle, (uint64_t)PM_RET_SUCCESS | ((uint64_t)PM_VERSION << 32)); ret = pm_get_api_version(&pm_ctx.api_version); SMC_RET1(handle, (uint64_t)ret | ((uint64_t)pm_ctx.api_version << 32)); case PM_SET_CONFIGURATION: ret = pm_set_configuration(pm_arg[0]); SMC_RET1(handle, (uint64_t)ret); case PM_GET_NODE_STATUS: ret = pm_get_node_status(pm_arg[0]); SMC_RET1(handle, (uint64_t)ret); case PM_GET_OP_CHARACTERISTIC: { uint32_t result; ret = pm_get_op_characteristic(pm_arg[0], pm_arg[1], &result); SMC_RET1(handle, (uint64_t)ret | ((uint64_t)result << 32)); } case PM_REGISTER_NOTIFIER: ret = pm_register_notifier(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]); SMC_RET1(handle, (uint64_t)ret); case PM_RESET_ASSERT: ret = pm_reset_assert(pm_arg[0], pm_arg[1]); SMC_RET1(handle, (uint64_t)ret); case PM_RESET_GET_STATUS: { uint32_t reset_status; ret = pm_reset_get_status(pm_arg[0], &reset_status); SMC_RET1(handle, (uint64_t)ret | ((uint64_t)reset_status << 32)); } /* PM memory access functions */ case PM_MMIO_WRITE: ret = pm_mmio_write(pm_arg[0], pm_arg[1], pm_arg[2]); SMC_RET1(handle, (uint64_t)ret); case PM_MMIO_READ: { uint32_t value; ret = pm_mmio_read(pm_arg[0], &value); SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32); } default: WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid); SMC_RET1(handle, SMC_UNK); } }