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ARM: vf610: Enable caches

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Enables caches which provides a rather huge speedup of the boot loader.
Also mark the on-chip RAM as cachable since this is the area U-Boot runs
from.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
This commit is contained in:
Stefan Agner 2015-04-15 16:24:25 +05:30 committed by Tom Rini
parent 1db503c4b9
commit 7a90a1f260
1 changed files with 16 additions and 0 deletions
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16
arch/arm/cpu/armv7/vf610/generic.c
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@ -342,3 +342,19 @@ int get_clocks(void)
#endif
return 0;
}
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
enum dcache_option option = DCACHE_WRITETHROUGH;
#else
enum dcache_option option = DCACHE_WRITEBACK;
#endif
dcache_enable();
icache_enable();
/* Enable caching on OCRAM */
mmu_set_region_dcache_behaviour(IRAM_BASE_ADDR, IRAM_SIZE, option);
}
#endif