PLL2650XX_PDIV_SHIFT
pdiv = (pll_con0 >> PLL2650XX_PDIV_SHIFT) & PLL2650XX_PDIV_MASK;
PLL2650XX_PDIV_MASK << PLL2650XX_PDIV_SHIFT |
pll_con0 |= rate->pdiv << PLL2650XX_PDIV_SHIFT;