PERLCK_MUX_SHIFT
sc->mux = (reg >> PERLCK_MUX_SHIFT) & PERLCK_MUX_MASK;
reg &= ~(PERLCK_MUX_MASK << PERLCK_MUX_SHIFT);
reg |= idx << PERLCK_MUX_SHIFT;
reg |= 7 << PERLCK_MUX_SHIFT;
reg |= idx << PERLCK_MUX_SHIFT;
sc->mux = (reg >> PERLCK_MUX_SHIFT) & PERLCK_MUX_MASK;
reg &= ~(PERLCK_MUX_MASK << PERLCK_MUX_SHIFT);
reg |= idx << PERLCK_MUX_SHIFT;
reg |= 7 << PERLCK_MUX_SHIFT;
reg |= idx << PERLCK_MUX_SHIFT;