# SPDX-License-Identifier: GPL-2.0-or-later # isodebug v1 # 5 kV isolated JTAG/SWD + UART adapter by Unjo AB adapter driver ftdi ftdi vid_pid 0x22b7 0x150d ftdi layout_init 0x0ff8 0xfffb ftdi layout_signal LED -ndata 0x0100 ftdi layout_signal nTRST -data 0x0200 ftdi layout_signal nSRST -noe 0x0400 ftdi layout_signal SWDIO_OE -data 0x0008 # Mode signals, either of these needs to be high to drive the JTAG/SWD pins. # The power-on state is low for both signals but the init setting above sets # JTAG_EN high. ftdi layout_signal SWD_EN -data 0x1000 ftdi layout_signal JTAG_EN -data 0x0800 # In SWD mode, the JTAG_EN signal doubles as SWO_EN_N which switches the # second FTDI channel UART RxD to the SWO pin instead of the separate RxD # pin. Note that the default init state has this pin high so when OpenOCD # starts in SWD mode, SWO is by default disabled. To enable SWO tracing, # issue the command 'ftdi set_signal SWO_EN 1' where tracing is configured. # To switch back to using the separate UART, SWO_EN needs to be disabled # before exiting OpenOCD, or the adapter replugged. ftdi layout_signal SWO_EN -nalias JTAG_EN