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authorThomas Gleixner <tglx@linutronix.de>2013-07-12 12:34:42 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-07-12 12:34:42 +0200
commitf2006e27396f55276f24434f56e208d86e7f9908 (patch)
tree71896db916d33888b4286f80117d3cac0da40e6d /arch/arc/include/asm/cache.h
parente399eb56a6110e13f97e644658648602e2b08de7 (diff)
parent9903883f1dd6e86f286b7bfa6e4b423f98c1cd9e (diff)
Merge branch 'linus' into timers/urgent
Get upstream changes so we can apply fixes against them Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arc/include/asm/cache.h')
-rw-r--r--arch/arc/include/asm/cache.h26
1 files changed, 9 insertions, 17 deletions
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index d5555fe4742..5802849a6ca 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -18,21 +18,19 @@
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-#define ARC_ICACHE_WAYS 2
-#define ARC_DCACHE_WAYS 4
-
-/* Helpers */
+/* 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))
-#if ARC_ICACHE_LINE_LEN != ARC_DCACHE_LINE_LEN
-#error "Need to fix some code as I/D cache lines not same"
-#else
-#define is_not_cache_aligned(p) ((unsigned long)p & (~DCACHE_LINE_MASK))
-#endif
+/*
+ * ARC700 doesn't cache any access in top 256M.
+ * Ideal for wiring memory mapped peripherals as we don't need to do
+ * explicit uncached accesses (LD.di/ST.di) hence more portable drivers
+ */
+#define ARC_UNCACHED_ADDR_SPACE 0xc0000000
#ifndef __ASSEMBLY__
@@ -57,16 +55,10 @@
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
-/*
- * ARC700 doesn't cache any access in top 256M.
- * Ideal for wiring memory mapped peripherals as we don't need to do
- * explicit uncached accesses (LD.di/ST.di) hence more portable drivers
- */
-#define ARC_UNCACHED_ADDR_SPACE 0xc0000000
-
extern void arc_cache_init(void);
extern char *arc_cache_mumbojumbo(int cpu_id, char *buf, int len);
extern void __init read_decode_cache_bcr(void);
-#endif
+
+#endif /* !__ASSEMBLY__ */
#endif /* _ASM_CACHE_H */