MV_SCU_REGS_LEN
MV_SCU_REGS_LEN, 0, &vaddr_scu);
bus_space_unmap(fdtbus_bs_tag, vaddr_scu, MV_SCU_REGS_LEN);
MV_SCU_REGS_LEN, 0, &vaddr_scu);
bus_space_unmap(fdtbus_bs_tag, vaddr_scu, MV_SCU_REGS_LEN);