MRDCK1_BYPASS
dll_cntl &= ~(MRDCK0_BYPASS | MRDCK1_BYPASS);
DLL_CNTL, MRDCK1_BYPASS, 0);
DLL_CNTL, MRDCK1_BYPASS, 0);
DLL_CNTL, MRDCK1_BYPASS, 0);
dll_cntl &= ~(MRDCK0_BYPASS | MRDCK1_BYPASS);
dll_cntl &= ~(MRDCK0_BYPASS | MRDCK1_BYPASS);