rocker_write64
rocker_write64(rocker, TEST_REG64, rnd);
rocker_write64(rocker, TEST_DMA_ADDR, dma_handle);
rocker_write64(rocker, DMA_DESC_ADDR(info->type), info->mapaddr);
rocker_write64(rocker, DMA_DESC_ADDR(info->type), 0);
rocker_write64(rocker_port->rocker, PORT_PHYS_ENABLE, val);