SYSCON_UARTEN
*(volatile uint32_t *)(clpscom_cnaddr + PS711X_SYSFLG) |= SYSCON_UARTEN;
CLPSCOM_WRITE_CON(sc, CLPSCOM_READ_CON(sc) | SYSCON_UARTEN);
CLPSCOM_READ_CON(sc) & ~SYSCON_UARTEN);
CLPSCOM_READ_CON(sc) & ~SYSCON_UARTEN);