IPIC_SECNR
vold = ipic_read(ipic->regs, IPIC_SECNR);
ipic_write(ipic->regs, IPIC_SECNR, vnew);
ipic_saved_state.secnr = ipic_read(ipic->regs, IPIC_SECNR);
ipic_write(ipic->regs, IPIC_SECNR, ipic_saved_state.secnr);