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| author | Zhang Le <r0bertz@gentoo.org> | 2009-04-02 09:41:45 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-05-14 14:50:25 +0200 |
| commit | a575b8453944c5911a2a6f51d0096fffba82dd48 (patch) | |
| tree | d484624f66c354281003966767468483ff1b9102 /arch | |
| parent | MIPS: Print the actual detected I-cache associativity on bootup. (diff) | |
| download | linux-a575b8453944c5911a2a6f51d0096fffba82dd48.tar.xz linux-a575b8453944c5911a2a6f51d0096fffba82dd48.zip | |
MIPS: Add Loongson cpu-feature-overrides.h
I have taken Wu Zhangjin's and Philippe Vachon's version as references,
did a little modification and tested on 16K page size kernel. It works
well.
Unfornately although it already has defined cpu_has_dc_aliases as 1, 4k
page size still not working. More work needed here.
Signed-off-by: Zhang Le <r0bertz@gentoo.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h b/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h new file mode 100644 index 000000000000..550a10dc9dba --- /dev/null +++ b/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h @@ -0,0 +1,59 @@ +/* + * 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) 2009 Wu Zhangjin <wuzj@lemote.com> + * Copyright (C) 2009 Philippe Vachon <philippe@cowpig.ca> + * Copyright (C) 2009 Zhang Le <r0bertz@gentoo.org> + * + * reference: /proc/cpuinfo, + * arch/mips/kernel/cpu-probe.c(cpu_probe_legacy), + * arch/mips/kernel/proc.c(show_cpuinfo), + * loongson2f user manual. + */ + +#ifndef __ASM_MACH_LEMOTE_CPU_FEATURE_OVERRIDES_H +#define __ASM_MACH_LEMOTE_CPU_FEATURE_OVERRIDES_H + +#define cpu_dcache_line_size() 32 +#define cpu_icache_line_size() 32 +#define cpu_scache_line_size() 32 + + +#define cpu_has_32fpr 1 +#define cpu_has_3k_cache 0 +#define cpu_has_4k_cache 1 +#define cpu_has_4kex 1 +#define cpu_has_64bits 1 +#define cpu_has_cache_cdex_p 0 +#define cpu_has_cache_cdex_s 0 +#define cpu_has_counter 1 +#define cpu_has_dc_aliases 1 +#define cpu_has_divec 0 +#define cpu_has_dsp 0 +#define cpu_has_ejtag 0 +#define cpu_has_fpu 1 +#define cpu_has_ic_fills_f_dc 0 +#define cpu_has_inclusive_pcaches 1 +#define cpu_has_llsc 1 +#define cpu_has_mcheck 0 +#define cpu_has_mdmx 0 +#define cpu_has_mips16 0 +#define cpu_has_mips32r1 0 +#define cpu_has_mips32r2 0 +#define cpu_has_mips3d 0 +#define cpu_has_mips64r1 0 +#define cpu_has_mips64r2 0 +#define cpu_has_mipsmt 0 +#define cpu_has_prefetch 0 +#define cpu_has_smartmips 0 +#define cpu_has_tlb 1 +#define cpu_has_tx39_cache 0 +#define cpu_has_userlocal 0 +#define cpu_has_vce 0 +#define cpu_has_vtag_icache 0 +#define cpu_has_watch 1 +#define cpu_icache_snoops_remote_store 1 + +#endif /* __ASM_MACH_LEMOTE_CPU_FEATURE_OVERRIDES_H */ |