From 9ff2ed732c6918ff22680d39b860163cdab6c072 Mon Sep 17 00:00:00 2001
From: Keith Rothman <537074+litghost@users.noreply.github.com>
Date: Tue, 15 Oct 2019 13:45:48 -0700
Subject: [PATCH] Handle case when PUDC_B pin function is not found.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
---
 utils/fasm2frames.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/utils/fasm2frames.py b/utils/fasm2frames.py
index c36fbc13..5551527e 100755
--- a/utils/fasm2frames.py
+++ b/utils/fasm2frames.py
@@ -102,7 +102,8 @@ def run(
                 nonlocal pudc_b_in_use
                 pudc_b_in_use = True
 
-        assembler.set_feature_callback(check_for_pudc_b)
+        if pudc_b_tile_site is not None:
+            assembler.set_feature_callback(check_for_pudc_b)
 
     extra_features = []
     if roi:
@@ -121,7 +122,7 @@ def run(
 
     assembler.parse_fasm_filename(filename_in, extra_features=extra_features)
 
-    if emit_pudc_b_pullup and not pudc_b_in_use:
+    if emit_pudc_b_pullup and not pudc_b_in_use and pudc_b_tile_site is not None:
         # Enable IN-only and PULLUP on PUDC_B IOB.
         #
         # TODO: The following FASM string only works on Artix 50T and Zynq 10