# SPDX-License-Identifier: GPL-2.0-or-later

# xilinx series 7 (artix, kintex, virtex)
# http://www.xilinx.com/support/documentation/user_guides/ug470_7Series_Config.pdf

if { [info exists CHIPNAME] } {
	set _CHIPNAME $CHIPNAME
} else {
	set _CHIPNAME xc7
}

# the 4 top bits (28:31) are the die stepping/revisions. ignore it.
jtag newtap $_CHIPNAME tap -irlen 6 -ignore-version \
	-expected-id 0x03622093 \
	-expected-id 0x03620093 \
	-expected-id 0x037C4093 \
	-expected-id 0x0362F093 \
	-expected-id 0x037C8093 \
	-expected-id 0x037C7093 \
	-expected-id 0x037C3093 \
	-expected-id 0x0362E093 \
	-expected-id 0x037C2093 \
	-expected-id 0x0362D093 \
	-expected-id 0x0362C093 \
	-expected-id 0x03632093 \
	-expected-id 0x03631093 \
	-expected-id 0x03636093 \
	-expected-id 0x03647093 \
	-expected-id 0x0364C093 \
	-expected-id 0x03651093 \
	-expected-id 0x03747093 \
	-expected-id 0x03656093 \
	-expected-id 0x03752093 \
	-expected-id 0x03751093 \
	-expected-id 0x03671093 \
	-expected-id 0x036B3093 \
	-expected-id 0x036B7093 \
	-expected-id 0x036BB093 \
	-expected-id 0x036BF093 \
	-expected-id 0x03667093 \
	-expected-id 0x03682093 \
	-expected-id 0x03687093 \
	-expected-id 0x03692093 \
	-expected-id 0x03691093 \
	-expected-id 0x03696093 \
	-expected-id 0x036D5093 \
	-expected-id 0x036D9093 \
	-expected-id 0x036DB093

pld device virtex2 $_CHIPNAME.tap 1

set XC7_JSHUTDOWN 0x0d
set XC7_JPROGRAM 0x0b
set XC7_JSTART 0x0c
set XC7_BYPASS 0x3f

proc xc7_program {tap} {
	global XC7_JSHUTDOWN XC7_JPROGRAM XC7_JSTART XC7_BYPASS
	irscan $tap $XC7_JSHUTDOWN
	irscan $tap $XC7_JPROGRAM
	runtest 60000
	#JSTART prevents this from working...
	#irscan $tap $XC7_JSTART
	runtest 2000
	irscan $tap $XC7_BYPASS
	runtest 2000
}
