FreeCalypso > hg > freecalypso-hwlab

annotate calypso-jtag/ft2232d-unbuf-poc.cfg @ 112:87d459d9797a

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fc-simtool: pb-erase command implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Jan 2021 03:32:20 +0000
parents 240221552ecf
children
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61
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 # The Calypso target is connected to an unbuffered FT2232D adapter
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 # acting as the JTAG interface following Mother Mychaela's method,
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 # ADBUS7 is wired to the reset pin on TI's 14-pin connector.
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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4 #
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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5 # This OpenOCD config is a proof of concept, demonstrating our ability
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 # to (1) halt an already-running Calypso through the scan chain without
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 # doing a reset, (2) perform a reset (Iota nTESTRESET) without a halt,
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 # i.e., reset and let run, and (3) perform a reset with a built-in halt,
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 # halting the Calypso at the reset vector before it executes even one
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 # instruction, with all hardware in its pristine state directly out of
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 # superdeep reset. This proof of concept is done in a "brute force" way,
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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12 # bypassing most of OpenOCD's infrastructure and using our own ad hoc
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 # Tcl procedures instead.
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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14
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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15 interface ftdi
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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16 ftdi_vid_pid 0x0403 0x7151
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 ftdi_layout_init 0x0088 0x008b
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 ftdi_layout_signal XDS_RESET -data 0x0080 -oe 0x0080
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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21 transport select jtag
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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22 adapter_khz 6000
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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23
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 # Reset like the one produced by TI's original XDS510/560 adapters
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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25 proc xds_reset {} {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 ftdi_set_signal XDS_RESET 0
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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27 sleep 50
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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28 ftdi_set_signal XDS_RESET 1
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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29 sleep 10
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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30 }
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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31
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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32 if { [info exists CHIPNAME] } {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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33 set _CHIPNAME $CHIPNAME
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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34 } else {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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35 set _CHIPNAME calypso
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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36 }
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 if { [info exists CPUTAPID] } {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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39 set _CPUTAPID $CPUTAPID
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 } else {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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41 set _CPUTAPID 0x3100e02f
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 }
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 jtag newtap $_CHIPNAME dsp -irlen 8
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 jtag newtap $_CHIPNAME arm -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 set _TARGETNAME $_CHIPNAME.arm
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 target create $_TARGETNAME arm7tdmi -endian little -chain-position $_TARGETNAME
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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49
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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50 arm7_9 dbgrq enable
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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51
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 proc calypso_magic {} {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 irscan calypso.arm 0x0b -endstate DRPAUSE
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 drscan calypso.arm 2 2 -endstate RUN/IDLE
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
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55 }
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 proc enable_halt {} {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 poll off
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 calypso_magic
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 poll on
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 }
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 # watchdog disable with minimal finger strokes to make it in time
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 proc wd {} {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 calypso.arm mwh 0xFFFFF804 0xF5
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 calypso.arm mwh 0xFFFFF804 0xA0
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 }
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 proc reset_run {} {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 poll off
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 xds_reset
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 jtag arp_init
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 calypso.arm arp_examine
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 poll on
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 }
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 proc reset_halt {} {
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 poll off
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 xds_reset
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 jtag arp_init
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 calypso.arm arp_examine
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 calypso_magic
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 halt
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 wd
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 poll on
3940292ad76f calypso-jtag: finally got some breakthrough
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 }