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authorVineet Gupta <vgupta@synopsys.com>2015-02-06 18:44:57 +0300
committerVineet Gupta <vgupta@synopsys.com>2015-10-29 18:41:30 +0530
commit5a364c2a1762e8a78721fafc93144509c0b6cb84 (patch)
treedc74e67f8908cbfe0c5753515c8097339d55dc80 /arch/arc/include/asm/cache.h
parent25d464183ca3522ae27ec1bbef5ddcbbbef65017 (diff)
downloadop-kernel-dev-5a364c2a1762e8a78721fafc93144509c0b6cb84.zip
op-kernel-dev-5a364c2a1762e8a78721fafc93144509c0b6cb84.tar.gz
ARC: mm: PAE40 support
This is the first working implementation of 40-bit physical address extension on ARCv2. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm/cache.h')
-rw-r--r--arch/arc/include/asm/cache.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index e23ea6e..abf06e8 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -65,6 +65,7 @@ extern int ioc_exists;
#if defined(CONFIG_ARC_MMU_V3) || defined(CONFIG_ARC_MMU_V4)
#define ARC_REG_IC_PTAG 0x1E
#endif
+#define ARC_REG_IC_PTAG_HI 0x1F
/* Bit val in IC_CTRL */
#define IC_CTRL_CACHE_DISABLE 0x1
@@ -77,6 +78,7 @@ extern int ioc_exists;
#define ARC_REG_DC_FLSH 0x4B
#define ARC_REG_DC_FLDL 0x4C
#define ARC_REG_DC_PTAG 0x5C
+#define ARC_REG_DC_PTAG_HI 0x5F
/* Bit val in DC_CTRL */
#define DC_CTRL_INV_MODE_FLUSH 0x40
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