TI_CPU_STATE
if (CSR_READ_4(sc, TI_CPU_STATE) & TI_CPUSTATE_ROMFAIL) {
TI_SETBIT(sc, TI_CPU_STATE, TI_CPUSTATE_HALT);
TI_CLRBIT(sc, TI_CPU_STATE, (TI_CPUSTATE_HALT|TI_CPUSTATE_STEP));