[otbn] Fix bad_insn_addr ERR_BITS description
Write to IMEM cannot occur from OTBN, so bad_insn_addr will only be
signalled on IMEM reads from OTBN.
Signed-off-by: Greg Chadwick <gac@lowrisc.org>
diff --git a/hw/ip/otbn/data/otbn.hjson b/hw/ip/otbn/data/otbn.hjson
index 7fc67a2..5e8b086 100644
--- a/hw/ip/otbn/data/otbn.hjson
+++ b/hw/ip/otbn/data/otbn.hjson
@@ -109,8 +109,7 @@
{ bits: "1",
name: "bad_insn_addr"
desc: '''
- An IMEM read or write occurred with an out of bounds or unaligned
- address.
+ An IMEM read occurred with an out of bounds or unaligned address.
'''
}
{ bits: "2",