O2_SD_PHASE_MASK
reg_val &= ~(O2_SD_SEL_DLL | O2_SD_PHASE_MASK);
#define O2_SD_FIX_PHASE FIELD_PREP(O2_SD_PHASE_MASK, 0x9)
scratch_32 &= ~(O2_SD_SEL_DLL | O2_SD_PHASE_MASK);