xilinx: versal: Add support for PM_GET_OPERATING_CHARACTERISTIC EEMI call
This patch adds EEMI support for PM_GET_OPERATING_CHARACTERISTIC api id. This interface obtains operating characteristic of a device from PMC firmware. The 'power', 'temperature', and 'latency' characteristic are the options that are supported. Signed-off-by: Saeed Nowshadi <saeed.nowshadi@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Change-Id: If30959ba6a3a778a17df2a4281c2c09832cf7e92
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@ -785,6 +785,7 @@ enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version)
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return PM_RET_SUCCESS;
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case PM_GET_API_VERSION:
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case PM_GET_DEVICE_STATUS:
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case PM_GET_OP_CHARACTERISTIC:
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case PM_REQ_SUSPEND:
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case PM_SELF_SUSPEND:
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case PM_FORCE_POWERDOWN:
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@ -859,3 +860,26 @@ enum pm_ret_status pm_load_pdi(uint32_t src,
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address_high, address_low);
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return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
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}
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/**
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* pm_get_op_characteristic() - PM call to request operating characteristics
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* of a device
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* @device_id Device id
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* @type Type of the operating characteristic
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* (power, temperature and latency)
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* @result Returns the operating characteristic for the requested device,
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* specified by the type
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*
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* @return Returns status, either success or error+reason
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*/
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enum pm_ret_status pm_get_op_characteristic(uint32_t device_id,
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enum pm_opchar_type type,
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uint32_t *result)
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{
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uint32_t payload[PAYLOAD_ARG_CNT];
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/* Send request to the PMC */
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PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, PM_GET_OP_CHARACTERISTIC,
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device_id, type);
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return pm_ipi_send_sync(primary_proc, payload, result, 1);
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}
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@ -69,4 +69,7 @@ enum pm_ret_status pm_get_chipid(uint32_t *value);
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enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version);
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enum pm_ret_status pm_load_pdi(uint32_t src, uint32_t address_low,
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uint32_t address_high);
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enum pm_ret_status pm_get_op_characteristic(uint32_t device_id,
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enum pm_opchar_type type,
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uint32_t *result);
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#endif /* PM_API_SYS_H */
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@ -42,6 +42,7 @@
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/* PM API ids */
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#define PM_GET_API_VERSION 1U
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#define PM_GET_DEVICE_STATUS 3U
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#define PM_GET_OP_CHARACTERISTIC 4U
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#define PM_REQ_SUSPEND 6U
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#define PM_SELF_SUSPEND 7U
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#define PM_FORCE_POWERDOWN 8U
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@ -112,6 +113,12 @@ enum pm_abort_reason {
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ABORT_REASON_UNKNOWN,
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};
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enum pm_opchar_type {
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PM_OPCHAR_TYPE_POWER = 1,
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PM_OPCHAR_TYPE_TEMP,
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PM_OPCHAR_TYPE_LATENCY,
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};
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/**
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* Subsystem IDs
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*/
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@ -313,6 +313,14 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
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SMC_RET1(handle, (uint64_t)ret);
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}
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case PM_GET_OP_CHARACTERISTIC:
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{
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uint32_t result;
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ret = pm_get_op_characteristic(pm_arg[0], pm_arg[1], &result);
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SMC_RET1(handle, (uint64_t)ret | ((uint64_t)result << 32));
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}
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default:
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WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
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SMC_RET1(handle, SMC_UNK);
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