Is it possible to use OpenOCD with SWD interfaces? I need to use with LPC1343 and LPC1114 (NXP) but probably also other vendors Cortex-M3 cpus.
currently no, this is still work in progress.
Simon Qian has added swd support to his olink, but i have not tested it:
http://www.simonqian.com/en/Versaloon/index.html
Cheers
Spen