~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h

Version: ~ [ linux-5.18-rc6 ] ~ [ linux-5.17.6 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.38 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.114 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.192 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.241 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.277 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.312 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.302 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * This file is subject to the terms and conditions of the GNU General Public
  3  * License.  See the file "COPYING" in the main directory of this archive
  4  * for more details.
  5  *
  6  * Copyright (C) 2004 Cavium Networks
  7  */
  8 #ifndef __ASM_MACH_CAVIUM_OCTEON_CPU_FEATURE_OVERRIDES_H
  9 #define __ASM_MACH_CAVIUM_OCTEON_CPU_FEATURE_OVERRIDES_H
 10 
 11 #include <linux/types.h>
 12 #include <asm/mipsregs.h>
 13 
 14 /*
 15  * Cavium Octeons are MIPS64v2 processors
 16  */
 17 #define cpu_dcache_line_size()  128
 18 #define cpu_icache_line_size()  128
 19 
 20 
 21 #define cpu_has_4kex            1
 22 #define cpu_has_3k_cache        0
 23 #define cpu_has_4k_cache        0
 24 #define cpu_has_tx39_cache      0
 25 #define cpu_has_counter         1
 26 #define cpu_has_watch           1
 27 #define cpu_has_divec           1
 28 #define cpu_has_vce             0
 29 #define cpu_has_cache_cdex_p    0
 30 #define cpu_has_cache_cdex_s    0
 31 #define cpu_has_prefetch        1
 32 
 33 #define cpu_has_llsc            1
 34 /*
 35  * We Disable LL/SC on non SMP systems as it is faster to disable
 36  * interrupts for atomic access than a LL/SC.
 37  */
 38 #ifdef CONFIG_SMP
 39 # define kernel_uses_llsc       1
 40 #else
 41 # define kernel_uses_llsc       0
 42 #endif
 43 #define cpu_has_vtag_icache     1
 44 #define cpu_has_dc_aliases      0
 45 #define cpu_has_ic_fills_f_dc   0
 46 #define cpu_has_64bits          1
 47 #define cpu_has_octeon_cache    1
 48 #define cpu_has_saa             octeon_has_saa()
 49 #define cpu_has_mips32r1        1
 50 #define cpu_has_mips32r2        1
 51 #define cpu_has_mips64r1        1
 52 #define cpu_has_mips64r2        1
 53 #define cpu_has_dsp             0
 54 #define cpu_has_dsp2            0
 55 #define cpu_has_mipsmt          0
 56 #define cpu_has_vint            0
 57 #define cpu_has_veic            0
 58 #define cpu_hwrena_impl_bits    (MIPS_HWRENA_IMPL1 | MIPS_HWRENA_IMPL2)
 59 #define cpu_has_wsbh            1
 60 
 61 #define cpu_has_rixi            (cpu_data[0].cputype != CPU_CAVIUM_OCTEON)
 62 
 63 #define ARCH_HAS_IRQ_PER_CPU    1
 64 #define ARCH_HAS_SPINLOCK_PREFETCH 1
 65 #define spin_lock_prefetch(x) prefetch(x)
 66 #define PREFETCH_STRIDE 128
 67 
 68 #ifdef __OCTEON__
 69 /*
 70  * All gcc versions that have OCTEON support define __OCTEON__ and have the
 71  *  __builtin_popcount support.
 72  */
 73 #define ARCH_HAS_USABLE_BUILTIN_POPCOUNT 1
 74 #endif
 75 
 76 static inline int octeon_has_saa(void)
 77 {
 78         int id;
 79         asm volatile ("mfc0 %0, $15,0" : "=r" (id));
 80         return id >= 0x000d0300;
 81 }
 82 
 83 /*
 84  * The last 256MB are reserved for device to device mappings and the
 85  * BAR1 hole.
 86  */
 87 #define MAX_DMA32_PFN (((1ULL << 32) - (1ULL << 28)) >> PAGE_SHIFT)
 88 
 89 #endif
 90 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp