PLL35XX_SDIV_MASK
sdiv = (pll_con >> PLL35XX_SDIV_SHIFT) & PLL35XX_SDIV_MASK;
tmp &= ~(PLL35XX_SDIV_MASK << PLL35XX_SDIV_SHIFT);
(PLL35XX_SDIV_MASK << PLL35XX_SDIV_SHIFT));