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ARM: arm1176: enable instruction cache in arch_cpu_init()
author
Stephen Warren
<swarren@wwwdotorg.org>
Sun, 5 Aug 2012 16:07:20 +0000
(16:07 +0000)
committer
Albert ARIBAUD
<albert.u.boot@aribaud.net>
Sat, 1 Sep 2012 12:58:20 +0000
(14:58 +0200)
Note that this affects all users of the ARM1176 CPU that enable
CONFIG_ARCH_CPU_INIT, not just the BCM2835 SoC, potentially such as
tnetv107x.
Cc: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
arch/arm/cpu/arm1176/cpu.c
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diff --git
a/arch/arm/cpu/arm1176/cpu.c
b/arch/arm/cpu/arm1176/cpu.c
index
c0fd114
..
532a90b
100644
(file)
--- a/
arch/arm/cpu/arm1176/cpu.c
+++ b/
arch/arm/cpu/arm1176/cpu.c
@@
-65,3
+65,10
@@
static void cache_flush (void)
/* mem barrier to sync things */
asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (0));
}
/* mem barrier to sync things */
asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (0));
}
+
+int arch_cpu_init(void)
+{
+ icache_enable();
+
+ return 0;
+}