B2_TI_CTRL
skge_write8(hw, B2_TI_CTRL, TIM_STOP);
skge_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ);
sky2_write8(hw, B2_TI_CTRL, TIM_STOP);
sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ);