+# SPDX-License-Identifier: GPL-2.0-or-later
+
# Altera MAXII EPM240T100C CPLD
+
+if { [info exists CHIPNAME] } {
+ set _CHIPNAME $CHIPNAME
+} else {
+ set _CHIPNAME epm240
+}
+
# see MAX II Device Handbook
# Table 3-3: 32-Bit MAX II Device IDCODE
# Version Part Number Manuf. ID LSB
# 0000 0010 0000 1010 0001 000 0110 1110 1
-jtag newtap epm240 tap -expected-id 0x020a10dd -irlen 10
+jtag newtap $_CHIPNAME tap -irlen 10 \
+ -expected-id 0x020a10dd \
+ -expected-id 0x020a20dd \
+ -expected-id 0x020a30dd \
+ -expected-id 0x020a40dd \
+ -expected-id 0x020a50dd \
+ -expected-id 0x020a60dd
+
+# 200ns seems like a good speed
+# c.f. Table 5-34: MAX II JTAG Timing Parameters
+adapter speed 5000