PLL46XX_SDIV_SHIFT
sdiv = (pll_con0 >> PLL46XX_SDIV_SHIFT) & PLL46XX_SDIV_MASK;
con0 &= ~(PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
con0 |= rate->sdiv << PLL46XX_SDIV_SHIFT;
(PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT));
(PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT) |
(rate->sdiv << PLL46XX_SDIV_SHIFT);