prom_block
fore200e->bus->write(prom_dma, &entry->cp_entry->cmd.prom_block.prom_haddr);
fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.prom_block.opcode);
struct prom_block prom_block; /* get expansion PROM data */