[WIP]OpenOCD configuration for TWR-LS1021A

gistfile1.txt

source [find interface/jlink.cfg]

adapter_khz 1000
adapter_nsrst_delay 400


if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME ls1021a
}

if { [info exists CPUTAPID] } {
   set _CPUTAPID $CPUTAPID
} else {
   set _CPUTAPID 0x5BA00477
}

jtag newtap $_CHIPNAME tap -irlen 4 -expected-id $_CPUTAPID

set _TARGETNAME $_CHIPNAME.cpu.0
target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.tap -coreid 0 -dbgbase 0x80010000
set _TARGETNAME $_CHIPNAME.cpu.1
target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.tap -coreid 1 -dbgbase 0x80012000


$_TARGETNAME configure -event reset-assert-post "cortex_a dbginit"

$_TARGETNAME configure -event gdb-attach { halt }

Hi,
I've tried this configuration to connect to my twr-ls1021a board without success.
The following error appears 👍 Error: No J-Link device found.

I wonder if I have the same board as you. In my case, I was expecting a cmsis-dap type interface.
Can you comment on this?

Thanks,

Yaset