DART_OUT
DART_OUT(DART_CNTL, reg);
DART_OUT(DART_BASE_U4, base);
DART_OUT(DART_SIZE_U4, size);
DART_OUT(DART_CNTL, DART_CNTL_U4_ENABLE);
DART_OUT(DART_CNTL,
DART_OUT(DART_CNTL, reg);
DART_OUT(DART_CNTL, reg);