NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_EN_LCLK_MASK
data |= NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_EN_LCLK_MASK;
data &= ~NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_EN_LCLK_MASK;