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| author | Andreas Fritiofson <andreas.fritiofson@gmail.com> | 2019-06-28 15:45:23 +0200 |
|---|---|---|
| committer | Antonio Borneo <borneo.antonio@gmail.com> | 2020-02-06 21:00:44 +0000 |
| commit | b4dc07388181addb14980f45251ae26c0be6d34e (patch) | |
| tree | d019717aed65a7108cd35c2527129f5c155ace69 /tcl | |
| parent | d91e19eb16b0ba387e270da9a6001dfdc3482524 (diff) | |
| download | riscv-openocd-b4dc07388181addb14980f45251ae26c0be6d34e.zip riscv-openocd-b4dc07388181addb14980f45251ae26c0be6d34e.tar.gz riscv-openocd-b4dc07388181addb14980f45251ae26c0be6d34e.tar.bz2 | |
tcl: Add interface config for isodebug isolated JTAG/SWD+UART
Currently only used internally at Unjo.
Change-Id: I7786e95e1bd755a73156ecad5b6d7f6273d8ddef
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/5251
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Diffstat (limited to 'tcl')
| -rw-r--r-- | tcl/interface/ftdi/isodebug.cfg | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tcl/interface/ftdi/isodebug.cfg b/tcl/interface/ftdi/isodebug.cfg new file mode 100644 index 0000000..ead2864 --- /dev/null +++ b/tcl/interface/ftdi/isodebug.cfg @@ -0,0 +1,27 @@ +# 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 |