pld: add support for lattice ecp5 devices

Change-Id: Ib2f0933da3abe7429abca86d6aaa50ad85ce72c7
Signed-off-by: Daniel Anselmi <danselmi@gmx.ch>
Reviewed-on: https://review.openocd.org/c/openocd/+/7397
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins

tcl/board/ecp5_evaluation.cfg

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Lattice ECP5 evaluation Kit
+# https://www.latticesemi.com/view_document?document_id=52479
+#
+
+adapter driver ftdi
+ftdi vid_pid 0x0403 0x6010
+
+ftdi channel 0
+ftdi layout_init 0x0008 0x008b
+reset_config none
+transport select jtag
+adapter speed 6000
+
+source [find fpga/lattice_ecp5.cfg]
+
+#openocd -f board/ecp5_evaluation.cfg -c "init" -c "pld load 0 shared_folder/ecp5_blinker_impl1.bit"
+#ipdbg -start -tap ecp5.tap -hub 0x32 -port 5555 -tool 0

tcl/fpga/lattice_ecp5.cfg

@@ -26,3 +26,5 @@ jtag newtap $_CHIPNAME tap -irlen 8 -irmask 0x83 -ircapture 0x1 \
 	-expected-id 0x21111043 -expected-id 0x41111043 -expected-id 0x41112043 \
 	-expected-id 0x41113043 -expected-id 0x81111043 -expected-id 0x81112043 \
 	-expected-id 0x81113043
+
+pld device lattice $_CHIPNAME.tap