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arm: mach-omap2: cache: Explicitly enable I cache

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omap-common cache enabling sequence relies on cpu_init_cp15()
(inside start.S) for enabling I-caches. But cpu_init_cp15()
can be skipped if CONFIG_SKIP_LOWLEVEL_INIT is defined. So
enable I-caches if not enabled already.

Debugged-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Tested-by: Steve Kipisz <s-kipisz2@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Lokesh Vutla 2018-05-03 20:34:49 +05:30 • committed by Tom Rini
parent 535adee869
commit 7ce85318cf
1 changed files with 5 additions and 1 deletions
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6
arch/arm/mach-omap2/omap-cache.c
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@ -44,7 +44,11 @@ DECLARE_GLOBAL_DATA_PTR;
void enable_caches(void) void enable_caches(void)
{ {
/* Enable D-cache. I-cache is already enabled in start.S */
/* Enable I cache if not enabled */
if (!icache_status())
icache_enable();
dcache_enable(); dcache_enable();
} }