MTW_MCU_DMA_ADDR
mtw_write_cfg(sc, MTW_MCU_DMA_ADDR, offset + sent);
mtw_read_cfg(sc, MTW_MCU_DMA_ADDR, &tmp);
mtw_write_cfg(sc, MTW_MCU_DMA_ADDR, 0x00095000);
if ((error = mtw_read_cfg(sc, MTW_MCU_DMA_ADDR, &tmp)) != 0)