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/* * 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) 2005 Ilya A. Volynets-Evenbakh * Copyright (C) 2005, 07 Ralf Baechle (ralf@linux-mips.org) */ #ifndef __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H #define __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H /* * R5000 has an interesting "restriction": ll(d)/sc(d) * instructions to XKPHYS region simply do uncached bus * requests. This breaks all the atomic bitops functions. * so, for 64bit IP32 kernel we just don't use ll/sc. * This does not affect luserland. */ #if (defined(CONFIG_CPU_R5000) || defined(CONFIG_CPU_NEVADA)) && defined(CONFIG_64BIT) #define cpu_has_llsc 0 #else #define cpu_has_llsc 1 #endif /* Settings which are common for all ip32 CPUs */ #define cpu_has_tlb 1 #define cpu_has_4kex 1 #define cpu_has_32fpr 1 #define cpu_has_counter 1 #define cpu_has_mips16 0 #define cpu_has_mips16e2 0 #define cpu_has_vce 0 #define cpu_has_cache_cdex_s 0 #define cpu_has_mcheck 0 #define cpu_has_ejtag 0 #define cpu_has_vtag_icache 0 #define cpu_has_ic_fills_f_dc 0 #define cpu_has_dsp 0 #define cpu_has_dsp2 0 #define cpu_has_4k_cache 1 #define cpu_has_mipsmt 0 #define cpu_has_userlocal 0 #define cpu_has_mips32r1 0 #define cpu_has_mips32r2 0 #define cpu_has_mips64r1 0 #define cpu_has_mips64r2 0 #endif /* __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H */