DEV_CNTRL2
cx_set(DEV_CNTRL2, (1<<5)); /* Enables Risc Processor */
cx_read(DEV_CNTRL2));
cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */
cx_write(DEV_CNTRL2, 0);
cx_set(DEV_CNTRL2, (1<<5));
cx_set(DEV_CNTRL2, (1<<5));
cx_write(DEV_CNTRL2, 0x20);
cx_write(DEV_CNTRL2, 0);