Message ID | fd30bd6b306ea74f194b8dd4c59ec1d55f749ba4.1429092214.git.maitysanchayan@gmail.com |
---|---|
State | Accepted |
Delegated to: | Tom Rini |
Headers | show |
On Wed, Apr 15, 2015 at 04:24:25PM +0530, Sanchayan Maity wrote: > From: Stefan Agner <stefan@agner.ch> > > 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> Applied to u-boot/master, thanks!
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c index 3bdc221..1bb9b8e 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