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Diffstat (limited to 'arch/arc/include/asm/cache.h')
-rw-r--r--arch/arc/include/asm/cache.h35
1 files changed, 28 insertions, 7 deletions
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index e4abdaac6f9..b3c750979aa 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -17,13 +17,7 @@
#endif
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-
-/* For a rare case where customers have differently config I/D */
-#define ARC_ICACHE_LINE_LEN L1_CACHE_BYTES
-#define ARC_DCACHE_LINE_LEN L1_CACHE_BYTES
-
-#define ICACHE_LINE_MASK (~(ARC_ICACHE_LINE_LEN - 1))
-#define DCACHE_LINE_MASK (~(ARC_DCACHE_LINE_LEN - 1))
+#define CACHE_LINE_MASK (~(L1_CACHE_BYTES - 1))
/*
* ARC700 doesn't cache any access in top 256M.
@@ -61,4 +55,31 @@ extern void read_decode_cache_bcr(void);
#endif /* !__ASSEMBLY__ */
+/* Instruction cache related Auxiliary registers */
+#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_IVIL 0x19
+#if defined(CONFIG_ARC_MMU_V3)
+#define ARC_REG_IC_PTAG 0x1E
+#endif
+
+/* Bit val in IC_CTRL */
+#define IC_CTRL_CACHE_DISABLE 0x1
+
+/* Data cache related Auxiliary registers */
+#define ARC_REG_DC_BCR 0x72 /* Build Config reg */
+#define ARC_REG_DC_IVDC 0x47
+#define ARC_REG_DC_CTRL 0x48
+#define ARC_REG_DC_IVDL 0x4A
+#define ARC_REG_DC_FLSH 0x4B
+#define ARC_REG_DC_FLDL 0x4C
+#if defined(CONFIG_ARC_MMU_V3)
+#define ARC_REG_DC_PTAG 0x5C
+#endif
+
+/* Bit val in DC_CTRL */
+#define DC_CTRL_INV_MODE_FLUSH 0x40
+#define DC_CTRL_FLUSH_STATUS 0x100
+
#endif /* _ASM_CACHE_H */