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

# Xilinx Ultrascale (Kintex, Virtex, Zynq)
# https://www.xilinx.com/support/documentation/user_guides/ug570-ultrascale-configuration.pdf

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

# The various chips in the Ultrascale family have different IR length.
# Set $CHIP before including this file to determine the device.
array set _XCU_DATA {
	XCKU025 {0x03824093 6}
	XCKU035 {0x03823093 6}
	XCKU040 {0x03822093 6}
	XCKU060 {0x03919093 6}
	XCKU095 {0x03844093 6}
	XCKU3P {0x04A63093 6}
	XCKU5P {0x04A62093 6}
	XCKU9P {0x0484A093 6}
	XCKU11P {0x04A4E093 6}
	XCKU13P {0x04A52093 6}
	XCKU15P {0x04A56093 6}
	XCVU065 {0x03939093 6}
	XCVU080 {0x03843093 6}
	XCVU095 {0x03842093 6}
	XCVU3P {0x04B39093 6}
	XCKU085 {0x0380F093 12}
	XCKU115 {0x0390D093 12}
	XCVU125 {0x0392D093 12}
	XCVU5P {0x04B2B093 12}
	XCVU7P {0x04B29093 12}
	XCVU160 {0x03933093 18}
	XCVU190 {0x03931093 18}
	XCVU440 {0x0396D093 18}
	XCVU9P {0x04B31093 18}
	XCVU11P {0x04B49093 18}
	XCVU13P {0x04B51093 24}
}

if { ![info exists CHIP] } {
	error "set CHIP to one of "[concat [array names _XCU_DATA]]
}

if { ![llength [array names _XCU_DATA $CHIP]] } {
	error "unknown CHIP: "$CHIP
}

set _EXPID [lindex $_XCU_DATA($CHIP) 0]
set _IRLEN [lindex $_XCU_DATA($CHIP) 1]

# the 4 top bits (28:31) are the die stepping/revisions. ignore it.
jtag newtap $_CHIPNAME tap -irlen $_IRLEN -ignore-version -expected-id $_EXPID

pld create $_CHIPNAME.pld virtex2 -chain-position $_CHIPNAME.tap -no_jstart

set XCU_JSHUTDOWN 0x0d
set XCU_JPROGRAM 0x0b
set XCU_JSTART 0x0c
set XCU_BYPASS 0x3f

proc xcu_program {tap} {
	echo "DEPRECATED! use 'virtex2 program ...' not 'xcu_program'"
	global XCU_JSHUTDOWN XCU_JPROGRAM XCU_JSTART XCU_BYPASS
	irscan $tap $XCU_JSHUTDOWN
	irscan $tap $XCU_JPROGRAM
	runtest 60000
	#JSTART prevents this from working...
	#irscan $tap $XCU_JSTART
	runtest 2000
	irscan $tap $XCU_BYPASS
	runtest 2000
}