From 8315f7088f11702cc260e67d7b9c8dd6114df905 Mon Sep 17 00:00:00 2001
From: Lucian Petrica <lucianp@xilinx.com>
Date: Mon, 29 Jun 2020 14:35:59 +0000
Subject: [PATCH] Added optional name for AXI-MM interface
---
src/finn/custom_op/fpgadataflow/iodma.py | 27 ++++++++++++++++++------
1 file changed, 21 insertions(+), 6 deletions(-)
diff --git a/src/finn/custom_op/fpgadataflow/iodma.py b/src/finn/custom_op/fpgadataflow/iodma.py
index 1e342902a..9b718ecbb 100644
--- a/src/finn/custom_op/fpgadataflow/iodma.py
+++ b/src/finn/custom_op/fpgadataflow/iodma.py
@@ -46,6 +46,8 @@ from finn.custom_op.fpgadataflow import HLSCustomOp
# - no additional alignment restrictions beyond anything specified in the AXI spec
# Interfaces
+# - AXI-MM name specified by intfName unless this is set to "" (empty, the default)
+# in which case output AXI-MM are named "out" and input AXI-MM are named "in0"
# - AXI-MM interface width (in bits) is specified by intfWidth
# - AXI-Stream interface width (in bits) is specified by streamWidth
# - If inftWidth and streamWidth are not equal, the DMA core performs
@@ -89,6 +91,8 @@ class IODMA(HLSCustomOp):
"direction": ("s", False, "in"),
# shape describing input vecs per execution
"numInputVectors": ("ints", False, [1]),
+ # name of axi-mm interface
+ "intfName": ("s", False, ""),
}
my_attrs.update(super().get_nodeattr_types())
return my_attrs
@@ -291,10 +295,16 @@ class IODMA(HLSCustomOp):
"#pragma HLS INTERFACE s_axilite port=return bundle=control"
)
direction = self.get_nodeattr("direction")
+ intfname = self.get_nodeattr("intfName")
if direction == "in":
- self.code_gen_dict["$PRAGMAS$"].append(
- "#pragma HLS INTERFACE m_axi offset=slave port=in0"
- )
+ if intfname == "":
+ self.code_gen_dict["$PRAGMAS$"].append(
+ "#pragma HLS INTERFACE m_axi offset=slave port=in0"
+ )
+ else:
+ self.code_gen_dict["$PRAGMAS$"].append(
+ "#pragma HLS INTERFACE m_axi offset=slave port=%s" % (intfname)
+ )
self.code_gen_dict["$PRAGMAS$"].append(
"#pragma HLS INTERFACE s_axilite port=in0 bundle=control"
)
@@ -305,9 +315,14 @@ class IODMA(HLSCustomOp):
self.code_gen_dict["$PRAGMAS$"].append(
"#pragma HLS INTERFACE axis port=in0"
)
- self.code_gen_dict["$PRAGMAS$"].append(
- "#pragma HLS INTERFACE m_axi offset=slave port=out"
- )
+ if intfname == "":
+ self.code_gen_dict["$PRAGMAS$"].append(
+ "#pragma HLS INTERFACE m_axi offset=slave port=out"
+ )
+ else:
+ self.code_gen_dict["$PRAGMAS$"].append(
+ "#pragma HLS INTERFACE m_axi offset=slave port=%s" % (intfname)
+ )
self.code_gen_dict["$PRAGMAS$"].append(
"#pragma HLS INTERFACE s_axilite port=out bundle=control"
)
--
GitLab