dma_port_flash_read
int dma_port_flash_read(struct tb_dma_port *dma, unsigned int address,
ret = dma_port_flash_read(sw->dma_port, drom_offset + 14, size,
ret = dma_port_flash_read(sw->dma_port, drom_offset, sw->drom, *size);
return dma_port_flash_read(sw->dma_port, address, buf, size);