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authorZhang Le <r0bertz@gentoo.org>2009-04-02 15:41:45 +0800
committerRalf Baechle <ralf@linux-mips.org>2009-05-14 13:50:25 +0100
commita575b8453944c5911a2a6f51d0096fffba82dd48 (patch)
treed484624f66c354281003966767468483ff1b9102 /arch/mips
parent7fc7316aa82fb3874f69689bd36134afea9c8bfd (diff)
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/mips')
-rw-r--r--arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h59
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 */