arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *  Atheros AR231x/AR531x SoC specific CPU feature overrides
   4  *
   5  *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
   6  *
   7  *  This file was derived from: include/asm-mips/cpu-features.h
   8  *      Copyright (C) 2003, 2004 Ralf Baechle
   9  *      Copyright (C) 2004 Maciej W. Rozycki
  10  */
  11 #ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
  12 #define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
  13
  14 /*
  15  * The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc core.
  16  */
  17 #define cpu_has_tlb                     1
  18 #define cpu_has_4kex                    1
  19 #define cpu_has_3k_cache                0
  20 #define cpu_has_4k_cache                1
  21 #define cpu_has_sb1_cache               0
  22 #define cpu_has_fpu                     0
  23 #define cpu_has_32fpr                   0
  24 #define cpu_has_counter                 1
  25 #define cpu_has_ejtag                   1
  26
  27 #if !defined(CONFIG_SOC_AR5312)
  28 #  define cpu_has_llsc                  1
  29 #else
  30 /*
  31  * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the
  32  * ll/sc instructions.
  33  */
  34 #  define cpu_has_llsc                  0
  35 #endif
  36
  37 #define cpu_has_mips16                  0
  38 #define cpu_has_mips16e2                0
  39 #define cpu_has_mdmx                    0
  40 #define cpu_has_mips3d                  0
  41 #define cpu_has_smartmips               0
  42
  43 #define cpu_has_mips32r1                1
  44
  45 #if !defined(CONFIG_SOC_AR5312)
  46 #  define cpu_has_mips32r2              1
  47 #endif
  48
  49 #define cpu_has_mips64r1                0
  50 #define cpu_has_mips64r2                0
  51
  52 #define cpu_has_dsp                     0
  53 #define cpu_has_mipsmt                  0
  54
  55 #define cpu_has_64bits                  0
  56 #define cpu_has_64bit_zero_reg          0
  57 #define cpu_has_64bit_gp_regs           0
  58
  59 #endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */