ARC_INTPRI_PCIISA
(*platform->set_intr)(MIPS_INT_MASK_2, isabr_iointr, ARC_INTPRI_PCIISA);
(*platform->set_intr)(MIPS_INT_MASK_2, isabr_iointr, ARC_INTPRI_PCIISA);
(*platform->set_intr)(MIPS_INT_MASK_2, isabr_iointr, ARC_INTPRI_PCIISA);
(*platform->set_intr)(MIPS_INT_MASK_2, necpb_intr, ARC_INTPRI_PCIISA);