diff options
| author | Stefan Agner <stefan@agner.ch> | 2015-03-25 11:05:56 +0530 |
|---|---|---|
| committer | Stefan Agner <stefan@agner.ch> | 2015-04-14 09:08:09 +0200 |
| commit | 3bb77be2fd50e9c8686eff74468cdb52395cade4 (patch) | |
| tree | 856761516f37d82ee808dd98ecdcb744a3c0c34e /arch | |
| parent | a8e251a261c18e95bad15df3846f33eb9278d6e5 (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.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/vf610/generic.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c index 3bdc2211e7..1bb9b8ed1d 100644 --- a/arch/arm/cpu/armv7/vf610/generic.c +++ b/arch/arm/cpu/armv7/vf610/generic.c @@ -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 |