/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2004 Cavium Networks */ #ifndef __ASM_MACH_CAVIUM_OCTEON_CPU_FEATURE_OVERRIDES_H #define __ASM_MACH_CAVIUM_OCTEON_CPU_FEATURE_OVERRIDES_H #include <linux/types.h> #include <asm/mipsregs.h> /* * Cavium Octeons are MIPS64v2 processors */ #define cpu_dcache_line_size() 128 #define cpu_icache_line_size() 128 #define cpu_has_4kex 1 #define cpu_has_3k_cache 0 #define cpu_has_4k_cache 0 #define cpu_has_tx39_cache 0 #define cpu_has_counter 1 #define cpu_has_watch 1 #define cpu_has_divec 1 #define cpu_has_vce 0 #define cpu_has_cache_cdex_p 0 #define cpu_has_cache_cdex_s 0 #define cpu_has_prefetch 1 #define cpu_has_llsc 1 /* * We Disable LL/SC on non SMP systems as it is faster to disable * interrupts for atomic access than a LL/SC. */ #ifdef CONFIG_SMP # define kernel_uses_llsc 1 #else # define kernel_uses_llsc 0 #endif #define cpu_has_vtag_icache 1 #define cpu_has_dc_aliases 0 #define cpu_has_ic_fills_f_dc 0 #define cpu_has_64bits 1 #define cpu_has_octeon_cache 1 #define cpu_has_saa octeon_has_saa() #define cpu_has_mips32r1 1 #define cpu_has_mips32r2 1 #define cpu_has_mips64r1 1 #define cpu_has_mips64r2 1 #define cpu_has_dsp 0 #define cpu_has_dsp2 0 #define cpu_has_mipsmt 0 #define cpu_has_vint 0 #define cpu_has_veic 0 #define cpu_hwrena_impl_bits (MIPS_HWRENA_IMPL1 | MIPS_HWRENA_IMPL2) #define cpu_has_wsbh 1 #define cpu_has_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON) #define ARCH_HAS_IRQ_PER_CPU 1 #define ARCH_HAS_SPINLOCK_PREFETCH 1 #define spin_lock_prefetch(x) prefetch(x) #define PREFETCH_STRIDE 128 #ifdef __OCTEON__ /* * All gcc versions that have OCTEON support define __OCTEON__ and have the * __builtin_popcount support. */ #define ARCH_HAS_USABLE_BUILTIN_POPCOUNT 1 #endif
static inline int octeon_has_saa(void) { int id; asm volatile ("mfc0 %0, $15,0" : "=r" (id)); return id >= 0x000d0300; }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 203 | 93.98% | 7 | 58.33% |
| Chen Jie | 4 | 1.85% | 1 | 8.33% |
| Ralf Bächle | 4 | 1.85% | 1 | 8.33% |
| Petar Jovanovic | 3 | 1.39% | 1 | 8.33% |
| Steven J. Hill | 1 | 0.46% | 1 | 8.33% |
| James Hogan | 1 | 0.46% | 1 | 8.33% |
| Total | 216 | 100.00% | 12 | 100.00% |