From 0df1ff542b367dd7ca4434f5198368973ec0dec0 Mon Sep 17 00:00:00 2001
From: Eric Kooistra <kooistra@astron.nl>
Date: Wed, 31 Mar 2021 15:51:46 +0200
Subject: [PATCH] Improved mmap description.

---
 .../lofar2_unb2b_beamformer/lofar2_unb2b_beamformer.mmap.gold | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/applications/lofar2/designs/lofar2_unb2b_beamformer/lofar2_unb2b_beamformer.mmap.gold b/applications/lofar2/designs/lofar2_unb2b_beamformer/lofar2_unb2b_beamformer.mmap.gold
index ae1a70b398..c92f08599c 100644
--- a/applications/lofar2/designs/lofar2_unb2b_beamformer/lofar2_unb2b_beamformer.mmap.gold
+++ b/applications/lofar2/designs/lofar2_unb2b_beamformer/lofar2_unb2b_beamformer.mmap.gold
@@ -1,5 +1,9 @@
 fpga_name = lofar2_unb2b_beamformer
 number_of_columns = 11
+# There can be multiple lines with a single key. The host should ignore unknown keys.
+# The lines with columns follow after the number_of_columns keys. The host should ignore
+# the extra columns in case the mmap contains more columns than the host expects.
+#
 # col 1: mm_port_name, if - then it is part of previous MM port.
 # col 2: number of peripherals, if - then it is part of previous peripheral.
 # col 3: number of mm_ports, if - then it is part of previous MM port.
-- 
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