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authorVineet Gupta <vgupta@synopsys.com>2014-08-29 10:55:15 +0530
committerVineet Gupta <vgupta@synopsys.com>2017-05-02 15:57:22 -0700
commit0d77117fc5c0333d024a183d6790167bb90c3b62 (patch)
treeb4ce890e687f3a3de92c13cba45dc7b416695bc7 /arch/arc/include/asm
parent7d3d162bbd515070dfa4f422778276aa28f114d4 (diff)
downloadlinux-0d77117fc5c0333d024a183d6790167bb90c3b62.tar.gz
ARCv2: mm: Implement cache region flush operations
These are more efficient than the per-line ops

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm')
-rw-r--r--arch/arc/include/asm/cache.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index 5008021fba98..16e457706129 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -62,6 +62,8 @@ extern unsigned long perip_base, perip_end;
 #define ARC_REG_IC_BCR		0x77	/* Build Config reg */
 #define ARC_REG_IC_IVIC		0x10
 #define ARC_REG_IC_CTRL		0x11
+#define ARC_REG_IC_IVIR		0x16
+#define ARC_REG_IC_ENDR		0x17
 #define ARC_REG_IC_IVIL		0x19
 #define ARC_REG_IC_PTAG		0x1E
 #define ARC_REG_IC_PTAG_HI	0x1F
@@ -76,6 +78,8 @@ extern unsigned long perip_base, perip_end;
 #define ARC_REG_DC_IVDL		0x4A
 #define ARC_REG_DC_FLSH		0x4B
 #define ARC_REG_DC_FLDL		0x4C
+#define ARC_REG_DC_STARTR	0x4D
+#define ARC_REG_DC_ENDR		0x4E
 #define ARC_REG_DC_PTAG		0x5C
 #define ARC_REG_DC_PTAG_HI	0x5F
 
@@ -83,6 +87,8 @@ extern unsigned long perip_base, perip_end;
 #define DC_CTRL_DIS		0x001
 #define DC_CTRL_INV_MODE_FLUSH	0x040
 #define DC_CTRL_FLUSH_STATUS	0x100
+#define DC_CTRL_RGN_OP_INV	0x200
+#define DC_CTRL_RGN_OP_MSK	0xE00
 
 /*System-level cache (L2 cache) related Auxiliary registers */
 #define ARC_REG_SLC_CFG		0x901