FreeCalypso > hg > freecalypso-hwlab

annotate calypso-jtag/early-experiments/taps-only.cfg @ 173:df4bf4e06221

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doc: several articles moved to other repositories
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 11 Sep 2023 06:51:05 +0000
parents 240221552ecf
children
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d4357e6d6679 checking in some Calypso JTAG experiments
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1 # The Calypso target is connected to an unbuffered FT2232D adapter
d4357e6d6679 checking in some Calypso JTAG experiments
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2 # acting as the JTAG interface following Mother Mychaela's method,
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3 # ADBUS7 is wired to the reset pin on TI's 14-pin connector.
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4 # This OpenOCD config sets up the TAPs and nSRST control ability,
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5 # but no ARM7 target yet. EMU0 and EMU1 connections have also been
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6 # added on ADBUS5 and ADBUS6, respectively.
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7
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8 interface ftdi
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9 ftdi_vid_pid 0x0403 0x7151
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2092878ec699 calypso-jtag configs: leave FT2232x ADBUS[6:4] as inputs
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11 ftdi_layout_init 0x0088 0x008b
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12 ftdi_layout_signal nSRST -data 0x0080 -oe 0x0080
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13 ftdi_layout_signal EMU0 -data 0x0020 -oe 0x0020
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14 ftdi_layout_signal EMU1 -data 0x0040 -oe 0x0040
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15
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16 transport select jtag
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17
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18 adapter_khz 6000
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19 reset_config srst_only srst_push_pull
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20
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21 if { [info exists CHIPNAME] } {
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22 set _CHIPNAME $CHIPNAME
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23 } else {
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24 set _CHIPNAME calypso
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25 }
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26
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27 if { [info exists ENDIAN] } {
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28 set _ENDIAN $ENDIAN
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29 } else {
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30 set _ENDIAN little
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31 }
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32
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33 if { [info exists CPUTAPID] } {
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34 set _CPUTAPID $CPUTAPID
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35 } else {
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36 set _CPUTAPID 0x3100e02f
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37 }
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38
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39 jtag newtap $_CHIPNAME dsp -irlen 8
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40 jtag newtap $_CHIPNAME arm -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID