648 	struct cpuinfo_mips *c = &current_cpu_data;  in probe_pcache()  local
654 	switch (c->cputype) {  in probe_pcache()
660 		c->icache.linesz = 16 << ((config & CONF_IB) >> 5);  in probe_pcache()
661 		c->icache.ways = 2;  in probe_pcache()
662 		c->icache.waybit = ffs(icache_size/2) - 1;  in probe_pcache()
665 		c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);  in probe_pcache()
666 		c->dcache.ways = 2;  in probe_pcache()
667 		c->dcache.waybit= ffs(dcache_size/2) - 1;  in probe_pcache()
669 		c->options |= MIPS_CPU_CACHE_CDEX_P;  in probe_pcache()
675 		c->icache.linesz = 16 << ((config & CONF_IB) >> 5);  in probe_pcache()
676 		c->icache.ways = 2;  in probe_pcache()
677 		c->icache.waybit= 0;  in probe_pcache()
680 		c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);  in probe_pcache()
681 		c->dcache.ways = 2;  in probe_pcache()
682 		c->dcache.waybit = 0;  in probe_pcache()
684 		c->options |= MIPS_CPU_CACHE_CDEX_P;  in probe_pcache()
689 		c->icache.linesz = 16 << ((config & CONF_IB) >> 5);  in probe_pcache()
690 		c->icache.ways = 4;  in probe_pcache()
691 		c->icache.waybit= 0;  in probe_pcache()
694 		c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);  in probe_pcache()
695 		c->dcache.ways = 4;  in probe_pcache()
696 		c->dcache.waybit = 0;  in probe_pcache()
698 		c->options |= MIPS_CPU_CACHE_CDEX_P;  in probe_pcache()
709 		c->icache.linesz = 16 << ((config & CONF_IB) >> 5);  in probe_pcache()
710 		c->icache.ways = 1;  in probe_pcache()
711 		c->icache.waybit = 0; 	/* doesn't matter */  in probe_pcache()
714 		c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);  in probe_pcache()
715 		c->dcache.ways = 1;  in probe_pcache()
716 		c->dcache.waybit = 0;	/* does not matter */  in probe_pcache()
718 		c->options |= MIPS_CPU_CACHE_CDEX_P;  in probe_pcache()
724 		c->icache.linesz = 64;  in probe_pcache()
725 		c->icache.ways = 2;  in probe_pcache()
726 		c->icache.waybit = 0;  in probe_pcache()
729 		c->dcache.linesz = 32;  in probe_pcache()
730 		c->dcache.ways = 2;  in probe_pcache()
731 		c->dcache.waybit = 0;  in probe_pcache()
733 		c->options |= MIPS_CPU_PREFETCH;  in probe_pcache()
740 		if (c->processor_id == 0x0c80U || c->processor_id == 0x0c81U ||  in probe_pcache()
741 		    c->processor_id == 0x0c82U) {  in probe_pcache()
747 		c->icache.linesz = 16 << ((config & CONF_IB) >> 5);  in probe_pcache()
748 		c->icache.ways = 2;  in probe_pcache()
749 		c->icache.waybit = ffs(icache_size/2) - 1;  in probe_pcache()
752 		c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);  in probe_pcache()
753 		c->dcache.ways = 2;  in probe_pcache()
754 		c->dcache.waybit = ffs(dcache_size/2) - 1;  in probe_pcache()
756 		c->options |= MIPS_CPU_CACHE_CDEX_P;  in probe_pcache()
766 		c->icache.linesz = 16 << ((config & CONF_IB) >> 5);  in probe_pcache()
767 		c->icache.ways = 1;  in probe_pcache()
768 		c->icache.waybit = 0; 	/* doesn't matter */  in probe_pcache()
771 		c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);  in probe_pcache()
772 		c->dcache.ways = 1;  in probe_pcache()
773 		c->dcache.waybit = 0;	/* does not matter */  in probe_pcache()
775 		c->options |= MIPS_CPU_CACHE_CDEX_P;  in probe_pcache()
783 		c->icache.linesz = 16 << ((config & CONF_IB) >> 5);  in probe_pcache()
784 		c->icache.ways = 4;  in probe_pcache()
785 		c->icache.waybit = ffs(icache_size / c->icache.ways) - 1;  in probe_pcache()
788 		c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);  in probe_pcache()
789 		c->dcache.ways = 4;  in probe_pcache()
790 		c->dcache.waybit = ffs(dcache_size / c->dcache.ways) - 1;  in probe_pcache()
793 		c->options |= MIPS_CPU_CACHE_CDEX_P;  in probe_pcache()
795 		c->options |= MIPS_CPU_PREFETCH;  in probe_pcache()
809 			c->icache.linesz = 2 << lsize;  in probe_pcache()
811 			c->icache.linesz = lsize;  in probe_pcache()
812 		c->icache.sets = 64 << ((config1 >> 22) & 7);  in probe_pcache()
813 		c->icache.ways = 1 + ((config1 >> 16) & 7);  in probe_pcache()
815 		icache_size = c->icache.sets *  in probe_pcache()
816 		              c->icache.ways *  in probe_pcache()
817 		              c->icache.linesz;  in probe_pcache()
818 		c->icache.waybit = ffs(icache_size/c->icache.ways) - 1;  in probe_pcache()
821 			c->icache.flags |= MIPS_CACHE_VTAG;  in probe_pcache()
826 		c->dcache.flags = 0;  in probe_pcache()
829 			c->dcache.linesz = 2 << lsize;  in probe_pcache()
831 			c->dcache.linesz= lsize;  in probe_pcache()
832 		c->dcache.sets = 64 << ((config1 >> 13) & 7);  in probe_pcache()
833 		c->dcache.ways = 1 + ((config1 >> 7) & 7);  in probe_pcache()
835 		dcache_size = c->dcache.sets *  in probe_pcache()
836 		              c->dcache.ways *  in probe_pcache()
837 		              c->dcache.linesz;  in probe_pcache()
838 		c->dcache.waybit = ffs(dcache_size/c->dcache.ways) - 1;  in probe_pcache()
840 		c->options |= MIPS_CPU_PREFETCH;  in probe_pcache()
853 	    !(config & CONF_SC) && c->icache.linesz != 16 &&  in probe_pcache()
858 	c->icache.waysize = icache_size / c->icache.ways;  in probe_pcache()
859 	c->dcache.waysize = dcache_size / c->dcache.ways;  in probe_pcache()
861 	c->icache.sets = icache_size / (c->icache.linesz * c->icache.ways);  in probe_pcache()
862 	c->dcache.sets = dcache_size / (c->dcache.linesz * c->dcache.ways);  in probe_pcache()
870 	if (c->cputype != CPU_R10000 && c->cputype != CPU_R12000)  in probe_pcache()
871 		if (c->dcache.waysize > PAGE_SIZE)  in probe_pcache()
872 		        c->dcache.flags |= MIPS_CACHE_ALIASES;  in probe_pcache()
874 	switch (c->cputype) {  in probe_pcache()
880 		c->icache.flags |= MIPS_CACHE_VTAG;  in probe_pcache()
884 		c->icache.flags |= MIPS_CACHE_IC_F_DC;  in probe_pcache()
891 	       way_string[c->icache.ways], c->icache.linesz);  in probe_pcache()
894 	       dcache_size >> 10, way_string[c->dcache.ways], c->dcache.linesz);  in probe_pcache()
908 	struct cpuinfo_mips *c = &current_cpu_data;  in probe_scache()  local
954 	c->scache.linesz = 16 << ((config & R4K_CONF_SB) >> 22);  in probe_scache()
955 	c->scache.ways = 1;  in probe_scache()
956 	c->dcache.waybit = 0;		/* does not matter */  in probe_scache()
967 	struct cpuinfo_mips *c = &current_cpu_data;  in setup_scache()  local
977 	switch (c->cputype) {  in setup_scache()
985 			c->options |= MIPS_CPU_CACHE_CDEX_S;  in setup_scache()
991 		c->scache.linesz = 64 << ((config >> 13) & 1);  in setup_scache()
992 		c->scache.ways = 2;  in setup_scache()
993 		c->scache.waybit= 0;  in setup_scache()
1018 	if ((c->isa_level == MIPS_CPU_ISA_M32 ||  in setup_scache()
1019 	     c->isa_level == MIPS_CPU_ISA_M64) &&  in setup_scache()
1020 	    !(c->scache.flags & MIPS_CACHE_NOT_PRESENT))  in setup_scache()
1024 	c->scache.waysize = scache_size / c->scache.ways;  in setup_scache()
1026 	c->scache.sets = scache_size / (c->scache.linesz * c->scache.ways);  in setup_scache()
1029 	       scache_size >> 10, way_string[c->scache.ways], c->scache.linesz);  in setup_scache()
1031 	c->options |= MIPS_CPU_SUBSET_CACHES;  in setup_scache()
1063 	struct cpuinfo_mips *c = &current_cpu_data;  in ld_mmu_r4xx0()  local
1072 	if (c->dcache.sets * c->dcache.ways > PAGE_SIZE)  in ld_mmu_r4xx0()
1073 		c->dcache.flags |= MIPS_CACHE_ALIASES;  in ld_mmu_r4xx0()
1090 				c->dcache.sets * c->dcache.linesz - 1,  in ld_mmu_r4xx0()