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

# IDs acquired from Xilinx's DS123.pdf
# XCF08P <v>5057093
# XCF16P <v>5058093
# XCF32P <v>5059093
# The 4 top bits (28:31) are the device revision. Ignore it.
jtag newtap $_CHIPNAME flash -irlen 16 -ignore-version \
	-expected-id 0x05057093 \
	-expected-id 0x05058093 \
	-expected-id 0x05059093

target create xcf.flash testee -chain-position $_CHIPNAME.flash
flash bank XCF_P xcf 0 0 0 0 xcf.flash
