FreeCalypso > hg > freecalypso-hwlab
annotate calypso-jtag/early-experiments/with-reset.cfg @ 111:5bfb5a7262c1
fc-simtool: pb-update command implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 26 Jan 2021 03:22:26 +0000 |
parents | 240221552ecf |
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rev | line source |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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1 # The Calypso target is connected to an unbuffered FT2232D adapter |
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calypso-jtag: finally got some breakthrough
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2 # acting as the JTAG interface following Mother Mychaela's method, |
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calypso-jtag: finally got some breakthrough
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3 # ADBUS7 is wired to the reset pin on TI's 14-pin connector. |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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4 # |
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5 # This config is an attempt (unsuccessful) to get OpenOCD's reset |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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6 # infrastructure (including reset halt) to work with the very different |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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7 # way of doing things on the Calypso. |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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8 |
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Mychaela Falconia <falcon@freecalypso.org>
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9 interface ftdi |
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10 ftdi_vid_pid 0x0403 0x7151 |
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11 |
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12 ftdi_layout_init 0x0088 0x008b |
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calypso-jtag: finally got some breakthrough
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13 ftdi_layout_signal XDS_RESET -data 0x0080 -oe 0x0080 |
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calypso-jtag: finally got some breakthrough
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14 |
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15 transport select jtag |
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Mychaela Falconia <falcon@freecalypso.org>
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16 adapter_khz 6000 |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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17 |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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18 # Reset like the one produced by TI's original XDS510/560 adapters |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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19 proc init_reset { mode } { |
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calypso-jtag: finally got some breakthrough
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20 ftdi_set_signal XDS_RESET 0 |
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calypso-jtag: finally got some breakthrough
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21 sleep 50 |
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22 ftdi_set_signal XDS_RESET 1 |
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23 sleep 10 |
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24 jtag arp_init |
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25 } |
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26 |
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27 if { [info exists CHIPNAME] } { |
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28 set _CHIPNAME $CHIPNAME |
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29 } else { |
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30 set _CHIPNAME calypso |
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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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calypso-jtag: finally got some breakthrough
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35 } else { |
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36 set _CPUTAPID 0x3100e02f |
3940292ad76f
calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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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 |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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41 |
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42 set _TARGETNAME $_CHIPNAME.arm |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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43 target create $_TARGETNAME arm7tdmi -endian little -chain-position $_TARGETNAME |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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44 |
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calypso-jtag: finally got some breakthrough
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45 arm7_9 dbgrq enable |
3940292ad76f
calypso-jtag: finally got some breakthrough
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46 |
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47 proc calypso_magic {} { |
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48 irscan calypso.arm 0x0b -endstate DRPAUSE |
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49 drscan calypso.arm 2 2 -endstate RUN/IDLE |
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calypso-jtag: finally got some breakthrough
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50 } |
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calypso-jtag: finally got some breakthrough
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51 |
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52 # watchdog disable with minimal finger strokes to make it in time |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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53 proc wd {} { |
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54 calypso.arm mwh 0xFFFFF804 0xF5 |
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55 calypso.arm mwh 0xFFFFF804 0xA0 |
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56 } |
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57 |
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58 $_TARGETNAME configure -event examine-start calypso_magic |
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calypso-jtag: finally got some breakthrough
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59 |
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60 # deliberately empty procedure here, as init_reset already did the job |
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calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
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61 $_TARGETNAME configure -event reset-assert { } |