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comparison calypso-jtag/with-target.cfg @ 57:d68f862c8240

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calypso-jtag/with-target.cfg: one more experiment
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 18 May 2019 06:52:06 +0000
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children 2092878ec699
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56:d4357e6d6679 57:d68f862c8240
1 # The Calypso target is connected to an unbuffered FT2232D adapter
2 # acting as the JTAG interface following Mother Mychaela's method,
3 # ADBUS7 is wired to the reset pin on TI's 14-pin connector.
4 # This OpenOCD config sets up the TAPs and the ARM7TDMI target
5 # in order to test OpenOCD's ability to halt with and without the
6 # "Calypso magic" that has supposedly been sniffed from TI's CCS
7 # by people who came before me.
8
9 interface ftdi
10 ftdi_vid_pid 0x0403 0x7151
11
12 ftdi_layout_init 0x0088 0x00fb
13 ftdi_layout_signal nSRST -data 0x0080 -oe 0x0080
14
15 transport select jtag
16
17 adapter_khz 6000
18 reset_config srst_only srst_push_pull
19
20 if { [info exists CHIPNAME] } {
21 set _CHIPNAME $CHIPNAME
22 } else {
23 set _CHIPNAME calypso
24 }
25
26 if { [info exists CPUTAPID] } {
27 set _CPUTAPID $CPUTAPID
28 } else {
29 set _CPUTAPID 0x3100e02f
30 }
31
32 jtag newtap $_CHIPNAME dsp -irlen 8
33 jtag newtap $_CHIPNAME arm -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
34
35 set _TARGETNAME $_CHIPNAME.arm
36 target create $_TARGETNAME arm7tdmi -endian little -chain-position $_TARGETNAME
37
38 proc calypso_magic {} {
39 irscan calypso.arm 0x0b -endstate DRPAUSE
40 drscan calypso.arm 2 2 -endstate RUN/IDLE
41 }