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kernel/linux-rt-4.4.41/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h 1.57 KB
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  /*
   *  Atheros AR231x/AR531x SoC specific CPU feature overrides
   *
   *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
   *
   *  This file was derived from: include/asm-mips/cpu-features.h
   *	Copyright (C) 2003, 2004 Ralf Baechle
   *	Copyright (C) 2004 Maciej W. Rozycki
   *
   *  This program is free software; you can redistribute it and/or modify it
   *  under the terms of the GNU General Public License version 2 as published
   *  by the Free Software Foundation.
   *
   */
  #ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
  #define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
  
  /*
   * The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc core.
   */
  #define cpu_has_tlb			1
  #define cpu_has_4kex			1
  #define cpu_has_3k_cache		0
  #define cpu_has_4k_cache		1
  #define cpu_has_tx39_cache		0
  #define cpu_has_sb1_cache		0
  #define cpu_has_fpu			0
  #define cpu_has_32fpr			0
  #define cpu_has_counter			1
  #define cpu_has_ejtag			1
  
  #if !defined(CONFIG_SOC_AR5312)
  #  define cpu_has_llsc			1
  #else
  /*
   * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the
   * ll/sc instructions.
   */
  #  define cpu_has_llsc			0
  #endif
  
  #define cpu_has_mips16			0
  #define cpu_has_mdmx			0
  #define cpu_has_mips3d			0
  #define cpu_has_smartmips		0
  
  #define cpu_has_mips32r1		1
  
  #if !defined(CONFIG_SOC_AR5312)
  #  define cpu_has_mips32r2		1
  #endif
  
  #define cpu_has_mips64r1		0
  #define cpu_has_mips64r2		0
  
  #define cpu_has_dsp			0
  #define cpu_has_mipsmt			0
  
  #define cpu_has_64bits			0
  #define cpu_has_64bit_zero_reg		0
  #define cpu_has_64bit_gp_regs		0
  #define cpu_has_64bit_addresses		0
  
  #endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */