| /* | |
| * 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 Ralf Baechle (ralf@linux-mips.org) | |
| */ | |
| #ifndef __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H | |
| #define __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H | |
| #include <linux/config.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_MIPS64) | |
| #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_fpu 1 | |
| #define cpu_has_32fpr 1 | |
| #define cpu_has_counter 1 | |
| #define cpu_has_mips16 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 | |
| #endif /* __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H */ |