Hi ,

The monitor debug mode can be configured in DSCR, which is writable via APB interface for am335x. But,  I read the DRAR(MRC p14, 0, <Rd>, c1, c0, 0) and DSAR(MRC p14, 0, <Rd>, c2, c0, 0). Both of them are invalid value (both are 0).…