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authorJames Hogan <james.hogan@imgtec.com>2016-06-15 19:29:59 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2016-06-15 23:58:38 +0200
commit4b34bca0e4c7091a06d774342faf8c9a4836af22 (patch)
tree8cd4c322296ff4d2c97ce2ac83fa01afefccbc6d /arch/mips/include
parent7414d2f65006ac8609196092f2869e0942599b72 (diff)
downloadlinux-4b34bca0e4c7091a06d774342faf8c9a4836af22.tar.gz
MIPS: Add define for Config.VI (virtual icache) bit
The Config.VI bit specifies that the instruction cache is virtually
tagged, which is checked in c-r4k.c's probe_pcache(). Add a proper
definition for it in mipsregs.h and make use of it.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/mipsregs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 8b1b37d50d15..def9d8d13f6e 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -533,6 +533,7 @@
 #define TX49_CONF_CWFON		(_ULCAST_(1) << 27)
 
 /* Bits specific to the MIPS32/64 PRA.	*/
+#define MIPS_CONF_VI		(_ULCAST_(1) <<  3)
 #define MIPS_CONF_MT		(_ULCAST_(7) <<	 7)
 #define MIPS_CONF_MT_TLB	(_ULCAST_(1) <<  7)
 #define MIPS_CONF_MT_FTLB	(_ULCAST_(4) <<  7)