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   1 /*
   2  *  IDT RC32434 specific CPU feature overrides
   3  *
   4  *  Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
   5  *
   6  *  This file was derived from: include/asm-mips/cpu-features.h
   7  *      Copyright (C) 2003, 2004 Ralf Baechle
   8  *      Copyright (C) 2004 Maciej W. Rozycki
   9  *
  10  *  This program is free software; you can redistribute it and/or
  11  *  modify it under the terms of the GNU General Public License
  12  *  as published by the Free Software Foundation; either version 2
  13  *  of the License, or (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the
  22  *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  23  *  Boston, MA  02110-1301, USA.
  24  */
  25 #ifndef __ASM_MACH_RC32434_CPU_FEATURE_OVERRIDES_H
  26 #define __ASM_MACH_RC32434_CPU_FEATURE_OVERRIDES_H
  27
  28 /*
  29  * The IDT RC32434 SOC has a built-in MIPS 4Kc core.
  30  */
  31 #define cpu_has_tlb                     1
  32 #define cpu_has_4kex                    1
  33 #define cpu_has_3k_cache                0
  34 #define cpu_has_4k_cache                1
  35 #define cpu_has_tx39_cache              0
  36 #define cpu_has_sb1_cache               0
  37 #define cpu_has_fpu                     0
  38 #define cpu_has_32fpr                   0
  39 #define cpu_has_counter                 1
  40 #define cpu_has_watch                   1
  41 #define cpu_has_divec                   1
  42 #define cpu_has_vce                     0
  43 #define cpu_has_cache_cdex_p            0
  44 #define cpu_has_cache_cdex_s            0
  45 #define cpu_has_prefetch                1
  46 #define cpu_has_mcheck                  1
  47 #define cpu_has_ejtag                   1
  48 #define cpu_has_llsc                    1
  49
  50 #define cpu_has_mips16                  0
  51 #define cpu_has_mdmx                    0
  52 #define cpu_has_mips3d                  0
  53 #define cpu_has_smartmips               0
  54
  55 #define cpu_has_vtag_icache             0
  56 /* #define cpu_has_dc_aliases           ? */
  57 /* #define cpu_has_ic_fills_f_dc        ? */
  58 /* #define cpu_has_pindexed_dcache      ? */
  59
  60 /* #define cpu_icache_snoops_remote_store       ? */
  61
  62 #define cpu_has_mips32r1                1
  63 #define cpu_has_mips32r2                0
  64 #define cpu_has_mips64r1                0
  65 #define cpu_has_mips64r2                0
  66
  67 #define cpu_has_dsp                     0
  68 #define cpu_has_mipsmt                  0
  69
  70 /* #define cpu_has_nofpuex              ? */
  71 #define cpu_has_64bits                  0
  72 #define cpu_has_64bit_zero_reg          0
  73 #define cpu_has_64bit_gp_regs           0
  74 #define cpu_has_64bit_addresses         0
  75
  76 #define cpu_has_inclusive_pcaches       0
  77
  78 #define cpu_dcache_line_size()          16
  79 #define cpu_icache_line_size()          16
  80
  81 #endif /* __ASM_MACH_RC32434_CPU_FEATURE_OVERRIDES_H */