Update example designs based on results of buffer size tests

Signed-off-by: Alex Forencich <alex@alexforencich.com>
alexforencich · Jun 21, 2023 · e59f5a0 · e59f5a0
1 parent 2359515
commit e59f5a0
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/example/common/rtl/example_core_pcie_s10.v b/example/common/rtl/example_core_pcie_s10.v
@@ -58,7 +58,7 @@ module example_core_pcie_s10 #
     // Completion header flow control credit limit (read)
     parameter READ_CPLH_FC_LIMIT = 770,
     // Completion data flow control credit limit (read)
-    parameter READ_CPLD_FC_LIMIT = 2500,
+    parameter READ_CPLD_FC_LIMIT = 2400,
     // Operation table size (write)
     parameter WRITE_OP_TABLE_SIZE = 2**TX_SEQ_NUM_WIDTH,
     // In-flight transmit limit (write)

diff --git a/example/common/tb/example_core_pcie_s10/Makefile b/example/common/tb/example_core_pcie_s10/Makefile
@@ -69,7 +69,7 @@ export PARAM_IMM_WIDTH := 32
 export PARAM_READ_OP_TABLE_SIZE := $(PARAM_PCIE_TAG_COUNT)
 export PARAM_READ_TX_LIMIT := $(shell echo "$$(( 1 << $(PARAM_TX_SEQ_NUM_WIDTH) ))" )
 export PARAM_READ_CPLH_FC_LIMIT := 770
-export PARAM_READ_CPLD_FC_LIMIT := 2500
+export PARAM_READ_CPLD_FC_LIMIT := 2400
 export PARAM_WRITE_OP_TABLE_SIZE := $(shell echo "$$(( 1 << $(PARAM_TX_SEQ_NUM_WIDTH) ))" )
 export PARAM_WRITE_TX_LIMIT := $(shell echo "$$(( 1 << $(PARAM_TX_SEQ_NUM_WIDTH) ))" )
 export PARAM_BAR0_APERTURE := 24

diff --git a/example/common/tb/example_core_pcie_s10/test_example_core_pcie_s10.py b/example/common/tb/example_core_pcie_s10/test_example_core_pcie_s10.py
@@ -482,7 +482,7 @@ def test_example_core_pcie_s10(request, data_width, l_tile):
     parameters['READ_OP_TABLE_SIZE'] = parameters['PCIE_TAG_COUNT']
     parameters['READ_TX_LIMIT'] = 2**parameters['TX_SEQ_NUM_WIDTH']
     parameters['READ_CPLH_FC_LIMIT'] = 770
-    parameters['READ_CPLD_FC_LIMIT'] = 2500
+    parameters['READ_CPLD_FC_LIMIT'] = 2400
     parameters['WRITE_OP_TABLE_SIZE'] = 2**parameters['TX_SEQ_NUM_WIDTH']
     parameters['WRITE_TX_LIMIT'] = 2**parameters['TX_SEQ_NUM_WIDTH']
     parameters['BAR0_APERTURE'] = 24