zynqmp: pm: Implemented 'get_op_characteristic' PM API call
Signed-off-by: Anes Hadziahmetagic <anes.hadziahmetagic@aggios.com>
Signed-off-by: Filip Drazic <filip.drazic@aggios.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.c b/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
index 053281e..5af0163 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
@@ -395,17 +395,25 @@
}
/**
- * pm_get_op_characteristic() - PM call to get a particular operating
- * characteristic of a node
- * @nid Node ID
- * @type Operating characterstic type to be returned
+ * pm_get_op_characteristic() - PM call to request operating characteristics
+ * of a node
+ * @nid Node id of the slave
+ * @type Type of the operating characteristic
+ * (power, temperature and latency)
+ * @result Returns the operating characteristic for the requested node,
+ * specified by the type
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_get_op_characteristic(enum pm_node_id nid,
- enum pm_opchar_type type)
+ enum pm_opchar_type type,
+ uint32_t *result)
{
- return PM_RET_ERROR_NOTSUPPORTED;
+ uint32_t payload[PAYLOAD_ARG_CNT];
+
+ /* Send request to the PMU */
+ PM_PACK_PAYLOAD3(payload, PM_GET_OP_CHARACTERISTIC, nid, type);
+ return pm_ipi_send_sync(primary_proc, payload, result);
}
/* Direct-Control API functions */
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
index f0365cd..22bdb47 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
@@ -91,7 +91,8 @@
unsigned int wake,
unsigned int enable);
enum pm_ret_status pm_get_op_characteristic(enum pm_node_id nid,
- enum pm_opchar_type type);
+ enum pm_opchar_type type,
+ uint32_t *result);
enum pm_ret_status pm_acknowledge_cb(enum pm_node_id nid,
enum pm_ret_status status,
unsigned int oppoint);
diff --git a/plat/xilinx/zynqmp/pm_service/pm_defs.h b/plat/xilinx/zynqmp/pm_service/pm_defs.h
index 08f4aab..2fd05fe 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_defs.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_defs.h
@@ -171,8 +171,8 @@
enum pm_opchar_type {
PM_OPCHAR_TYPE_POWER = 1,
- PM_OPCHAR_TYPE_ENERGY,
PM_OPCHAR_TYPE_TEMP,
+ PM_OPCHAR_TYPE_LATENCY,
};
/**
diff --git a/plat/xilinx/zynqmp/pm_service/pm_svc_main.c b/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
index 6744065..e3c25c3 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
@@ -191,8 +191,12 @@
SMC_RET1(handle, (uint64_t)ret);
case PM_GET_OP_CHARACTERISTIC:
- ret = pm_get_op_characteristic(pm_arg[0], pm_arg[1]);
- SMC_RET1(handle, (uint64_t)ret);
+ {
+ 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],
