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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 */
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