diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2014-10-17 11:15:55 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2014-10-23 11:11:04 +0200 |
| commit | 403da198cd8c6e6874c614d0affc404c0c05751f (patch) | |
| tree | d645a06eaa3ea464b697d4b2b9f063fbb5f81960 | |
| parent | 781895e999b05fb75d13650600ab12587841fd74 (diff) | |
arm: vf610: enable caches
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.
| -rw-r--r-- | arch/arm/cpu/armv7/vf610/generic.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c index e1b3f4dc79..414cf17a23 100644 --- a/arch/arm/cpu/armv7/vf610/generic.c +++ b/arch/arm/cpu/armv7/vf610/generic.c @@ -320,3 +320,21 @@ 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 |