DKL_PLL_DIV0_FBPREDIV_SHIFT
#define DKL_PLL_DIV0_FBPREDIV(x) ((x) << DKL_PLL_DIV0_FBPREDIV_SHIFT)
#define DKL_PLL_DIV0_FBPREDIV_MASK (0xF << DKL_PLL_DIV0_FBPREDIV_SHIFT)
m1 = m1 >> DKL_PLL_DIV0_FBPREDIV_SHIFT;