WRPLL_REF_MASK
switch (wrpll & WRPLL_REF_MASK) {
if ((ctl & WRPLL_REF_MASK) == WRPLL_REF_PCH_SSC)
(ctl & WRPLL_REF_MASK) == WRPLL_REF_MUXED_SSC_BDW &&
switch (wrpll_ctl & WRPLL_REF_MASK) {