summaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h')
-rw-r--r--arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h b/arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h
new file mode 100644
index 00000000000..725e1ed83f6
--- /dev/null
+++ b/arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h
@@ -0,0 +1,36 @@
+/*
+ * 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) 2013 Cavium, Inc.
+ */
+#ifndef __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_4kex 1
+#define cpu_has_3k_cache 0
+#define cpu_has_tx39_cache 0
+#define cpu_has_counter 1
+#define cpu_has_llsc 1
+/*
+ * We Disable LL/SC on non SMP systems as it is faster to disable
+ * interrupts for atomic access than a LL/SC.
+ */
+#ifdef CONFIG_SMP
+# define kernel_uses_llsc 1
+#else
+# define kernel_uses_llsc 0
+#endif
+
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+#define cpu_dcache_line_size() 128
+#define cpu_icache_line_size() 128
+#define cpu_has_octeon_cache 1
+#define cpu_has_4k_cache 0
+#else
+#define cpu_has_octeon_cache 0
+#define cpu_has_4k_cache 1
+#endif
+
+#endif /* __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H */