feat(dma-latency-meter): move mechanism to separate component

The DMA Latency meter can now be instantiated as a separate component.

Author: walliv

comp/dma/dma_calypte/comp/test_core/DevTree.tcl

@@ -27,9 +27,7 @@ proc dts_calypte_test_core {DTS base_addr {dbg_en False}} {
                 }
             }
 
-            dts_create_node dts "dma_calypte_latency_meter0" {
-                dts_appendprop_comp_node dts $LATENCY_METER_BASE_ADDR 0x30 "cesnet,dma_calypte_latency_meter"
-            }
+            dts_dma_latency_meter dts $LATENCY_METER_BASE_ADDR
         }
 
         dts_create_node dts "dma_calypte_reset_fsm0" {

comp/dma/dma_calypte/comp/test_core/Modules.tcl

@@ -8,20 +8,15 @@ lappend PACKAGES "$OFM_PATH/comp/base/pkg/type_pack.vhd"
 
 set MI_ASYNC_BASE              "$OFM_PATH/comp/mi_tools/async"
 set MI_SPLITTER_PLUS_GEN_BASE  "$OFM_PATH/comp/mi_tools/splitter_plus_gen"
-set MI_ASYNC_BASE              "$OFM_PATH/comp/mi_tools/async"
 set TX_DMA_DEBUG_CORE_BASE     "$ENTITY_BASE/comp/tx_debug_core"
 set MFB_LOOPBACK_BASE          "$OFM_PATH/comp/mfb_tools/flow/loopback"
-set DATA_LOGGER_BASE           "$OFM_PATH/comp/debug/data_logger"
-set LATENCY_METER_BASE         "$OFM_PATH/comp/debug/latency_meter"
-set MFB_GENERATOR_BASE         "$OFM_PATH/comp/mfb_tools/debug/generator"
+set DMA_LAT_METER_BASE         "$ENTITY_BASE/comp/dma_latency_meter"
 
 lappend COMPONENTS [ list "MI_ASYNC"             $MI_ASYNC_BASE             "FULL" ]
 lappend COMPONENTS [ list "MI_SPLITTER_PLUS_GEN" $MI_SPLITTER_PLUS_GEN_BASE "FULL" ]
 lappend COMPONENTS [ list "TX_DMA_DEBUG_CORE"    $TX_DMA_DEBUG_CORE_BASE    "FULL" ]
 lappend COMPONENTS [ list "MFB_LOOPBACK"         $MFB_LOOPBACK_BASE         "FULL" ]
-lappend COMPONENTS [ list "DATA_LOGGER"          $DATA_LOGGER_BASE          "FULL" ]
-lappend COMPONENTS [ list "LATENCY_METER"        $LATENCY_METER_BASE        "FULL" ]
-lappend COMPONENTS [ list "MFB_GENERATOR"        $MFB_GENERATOR_BASE        "FULL" ]
+lappend COMPONENTS [ list "DMA_LATENCY_METER"    $DMA_LAT_METER_BASE        "FULL" ]
 
 lappend MOD "$ENTITY_BASE/dma_test_core.vhd"
 lappend MOD "$ENTITY_BASE/DevTree.tcl"

comp/dma/dma_calypte/comp/test_core/comp/dma_latency_meter/DevTree.tcl

@@ -0,0 +1,13 @@
+# DevTree.tcl: generate nodes for the DMA latecny meter
+# Copyright (C) 2025 CESNET z. s. p. o.
+# Author(s): Vladisav Valek <valekv@cesnet.cz>
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+proc dts_dma_latency_meter {DTS base_addr {idx 0}} {
+    upvar 1 $DTS dts
+
+    dts_create_node dts "dma_latency_meter$idx" {
+        dts_appendprop_comp_node dts $base_addr 0x30 "cesnet,dma_latency_meter"
+    }
+}

comp/dma/dma_calypte/comp/test_core/comp/dma_latency_meter/Modules.tcl

@@ -0,0 +1,22 @@
+# Modules.tcl: Components include script
+# Copyright (C) 2023 CESNET
+# Author(s): Vladislav Valek <xvalek14@vutbr.cz>
+#
+
+lappend PACKAGES "$OFM_PATH/comp/base/pkg/math_pack.vhd"
+lappend PACKAGES "$OFM_PATH/comp/base/pkg/type_pack.vhd"
+
+set MI_ASYNC_BASE              "$OFM_PATH/comp/mi_tools/async"
+set DATA_LOGGER_BASE           "$OFM_PATH/comp/debug/data_logger"
+set LATENCY_METER_BASE         "$OFM_PATH/comp/debug/latency_meter"
+set MFB_GENERATOR_BASE         "$OFM_PATH/comp/mfb_tools/debug/generator"
+set MFB_META_EXT_BASE          "$OFM_PATH/comp/mfb_tools/flow/metadata_extractor"
+
+lappend COMPONENTS [ list "MI_ASYNC"             $MI_ASYNC_BASE             "FULL" ]
+lappend COMPONENTS [ list "DATA_LOGGER"          $DATA_LOGGER_BASE          "FULL" ]
+lappend COMPONENTS [ list "LATENCY_METER"        $LATENCY_METER_BASE        "FULL" ]
+lappend COMPONENTS [ list "MFB_GENERATOR"        $MFB_GENERATOR_BASE        "FULL" ]
+lappend COMPONENTS [ list "METADATA_EXTRACTOR"   $MFB_META_EXT_BASE         "FULL" ]
+
+lappend MOD "$ENTITY_BASE/dma_latency_meter.vhd"
+lappend MOD "$ENTITY_BASE/DevTree.tcl"