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authorTom Rini <trini@ti.com>2014-05-22 14:29:41 -0400
committerTom Rini <trini@ti.com>2014-05-22 14:29:41 -0400
commitf6ed9d50949eb290744bf7606e30763582e2d44b (patch)
tree659cd954a4b4075c7227ea6d1d6ec768b0a2d78a /arch/arm/lib/cache.c
parent8e3812859670fda61b98458864fa9f014fcd3dcc (diff)
parent05d134b084590684bcf4d832c0035952727b7cd9 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'arch/arm/lib/cache.c')
-rw-r--r--arch/arm/lib/cache.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index 6cc136a..4f6b9f0 100644
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -12,16 +12,23 @@
void __flush_cache(unsigned long start, unsigned long size)
{
#if defined(CONFIG_ARM1136)
- void arm1136_cache_flush(void);
- arm1136_cache_flush();
+#if !defined(CONFIG_SYS_ICACHE_OFF)
+ asm("mcr p15, 0, r1, c7, c5, 0"); /* invalidate I cache */
#endif
+
+#if !defined(CONFIG_SYS_DCACHE_OFF)
+ asm("mcr p15, 0, r1, c7, c14, 0"); /* Clean+invalidate D cache */
+#endif
+
+#endif /* CONFIG_ARM1136 */
+
#ifdef CONFIG_ARM926EJS
/* test and clean, page 2-23 of arm926ejs manual */
asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory");
/* disable write buffer as well (page 2-22) */
asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
-#endif
+#endif /* CONFIG_ARM926EJS */
return;
}
void flush_cache(unsigned long start, unsigned long size)