$ openocd -f openocd_ecpix5.cfg -c 'transport select jtag; init; svf lamdaconcept_ecpix5.svf; exit'
Open On-Chip Debugger 0.11.0
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
DEPRECATED! use 'adapter driver' not 'interface'
DEPRECATED! use 'adapter speed' not 'adapter_khz'
Info : auto-selecting first available session transport "jtag". To override use 'transport select <transport>'.
Warn : Transport "jtag" was already selected
Info : ftdi: if you experience problems at higher adapter clocks, try the command "ftdi_tdo_sample_edge falling"
Info : clock speed 25000 kHz
Info : JTAG tap: ecp5.tap tap/device found: 0x81113043 (mfg: 0x021 (Lattice Semi.), part: 0x1113, ver: 0x8)
Warn : gdb services need one or more targets defined
svf [-tap device.tap] <file> [quiet] [nil] [progress] [ignore_error]
xsvf (tapname|'plain') filename ['virt2'] ['quiet']

$