AVR32_EPTCFG
AVR32_WRITE_4(sc, AVR32_EPTCFG(ep_no), temp);
temp = AVR32_READ_4(sc, AVR32_EPTCFG(ep_no));
AVR32_WRITE_4(sc, AVR32_EPTCFG(0), AVR32_EPTCFG_TYPE_CTRL |
temp = AVR32_READ_4(sc, AVR32_EPTCFG(0));