1 /* 2 * CPU feature overrides for DECstation systems. Two variations 3 * are generally applicable. 4 * 5 * Copyright (C) 2013 Maciej W. Rozycki 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 10 * 2 of the License, or (at your option) any later version. 11 */ 12 #ifndef __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H 13 #define __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H 14 15 /* Generic ones first. */ 16 #define cpu_has_tlb 1 17 #define cpu_has_tx39_cache 0 18 #define cpu_has_fpu 1 19 #define cpu_has_divec 0 20 #define cpu_has_prefetch 0 21 #define cpu_has_mcheck 0 22 #define cpu_has_ejtag 0 23 #define cpu_has_mips16 0 24 #define cpu_has_mdmx 0 25 #define cpu_has_mips3d 0 26 #define cpu_has_smartmips 0 27 #define cpu_has_rixi 0 28 #define cpu_has_vtag_icache 0 29 #define cpu_has_ic_fills_f_dc 0 30 #define cpu_has_pindexed_dcache 0 31 #define cpu_has_local_ebase 0 32 #define cpu_icache_snoops_remote_store 1 33 #define cpu_has_mips_4 0 34 #define cpu_has_mips_5 0 35 #define cpu_has_mips32r1 0 36 #define cpu_has_mips32r2 0 37 #define cpu_has_mips64r1 0 38 #define cpu_has_mips64r2 0 39 #define cpu_has_dsp 0 40 #define cpu_has_mipsmt 0 41 #define cpu_has_userlocal 0 42 43 /* R3k-specific ones. */ 44 #ifdef CONFIG_CPU_R3000 45 #define cpu_has_4kex 0 46 #define cpu_has_3k_cache 1 47 #define cpu_has_4k_cache 0 48 #define cpu_has_32fpr 0 49 #define cpu_has_counter 0 50 #define cpu_has_watch 0 51 #define cpu_has_vce 0 52 #define cpu_has_cache_cdex_p 0 53 #define cpu_has_cache_cdex_s 0 54 #define cpu_has_llsc 0 55 #define cpu_has_dc_aliases 0 56 #define cpu_has_mips_2 0 57 #define cpu_has_mips_3 0 58 #define cpu_has_nofpuex 1 59 #define cpu_has_inclusive_pcaches 0 60 #define cpu_dcache_line_size() 4 61 #define cpu_icache_line_size() 4 62 #define cpu_scache_line_size() 0 63 #endif /* CONFIG_CPU_R3000 */ 64 65 /* R4k-specific ones. */ 66 #ifdef CONFIG_CPU_R4X00 67 #define cpu_has_4kex 1 68 #define cpu_has_3k_cache 0 69 #define cpu_has_4k_cache 1 70 #define cpu_has_32fpr 1 71 #define cpu_has_counter 1 72 #define cpu_has_watch 1 73 #define cpu_has_vce 1 74 #define cpu_has_cache_cdex_p 1 75 #define cpu_has_cache_cdex_s 1 76 #define cpu_has_llsc 1 77 #define cpu_has_dc_aliases (PAGE_SIZE < 0x4000) 78 #define cpu_has_mips_2 1 79 #define cpu_has_mips_3 1 80 #define cpu_has_nofpuex 0 81 #define cpu_has_inclusive_pcaches 1 82 #define cpu_dcache_line_size() 16 83 #define cpu_icache_line_size() 16 84 #define cpu_scache_line_size() 32 85 #endif /* CONFIG_CPU_R4X00 */ 86 87 #endif /* __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H */ 88