23 lines
673 B
INI
23 lines
673 B
INI
# SPDX-License-Identifier: GPL-2.0-or-later
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# xilinx virtex 4
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# https://docs.xilinx.com/v/u/en-US/ug071
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if { [info exists CHIPNAME] } {
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set _CHIPNAME $CHIPNAME
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} else {
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set _CHIPNAME xc4vfx
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}
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# the 4 top bits (28:31) are the die stepping. ignore it.
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jtag newtap $_CHIPNAME tap -irlen 14 -ignore-version \
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-expected-id 0x01E8C093 \
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-expected-id 0x01EB4093 \
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-expected-id 0x01EE4093 \
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-expected-id 0x01F14093 \
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pld create $_CHIPNAME.pld virtex2 -chain-position $_CHIPNAME.tap
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# cfg_out cfg_in jprogb jstart jshutdown user1-4
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virtex2 set_instr_codes $_CHIPNAME.pld 0x3FC4 0x3FC5 0x3FCB 0x3FCC 0x3FCD
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virtex2 set_user_codes $_CHIPNAME.pld 0x3FC2 0x3FC3 0x3FE2 0x3FE3
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