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2016-07-14arm: Move check_cache_range() into a common placeSimon Glass
This code is common, so move it into a common file. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-08-12ARM: cache: implement a default weak flush_cache() functionWu, Josh
Current many cpu use the same flush_cache() function, which just call the flush_dcache_range(). So implement a weak flush_cache() for all the cpus to use. In original weak flush_cache() in arch/arm/lib/cache.c, there has some code for ARM1136 & ARM926ejs. But in the arch/arm/cpu/arm1136/cpu.c and arch/arm/cpu/arm926ejs/cache.c, there implements a real flush_cache() function as well. That means the original code for ARM1136 & ARM926ejs in weak flush_cache() of arch/arm/lib/cache.c is totally useless. So in this patch remove such code in flush_cache() and only call flush_dcache_range(). Signed-off-by: Josh Wu <josh.wu@atmel.com>
2015-08-12ARM: cache: add an empty stub function for invalidate/flush dcacheWu, Josh
Since some driver like ohci, lcd used dcache functions. But some ARM cpu don't implement the invalidate_dcache_range()/flush_dcache_range() functions. To avoid compiling errors this patch adds an weak empty stub function for all ARM cpu in arch/arm/lib/cache.c. And ARM cpu still can implemnt its own cache functions on the cpu folder. Signed-off-by: Josh Wu <josh.wu@atmel.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-08-12arm1136/arm1176: Merge cache handling codeAlexander Stein
As both cores are similar merge the cache handling code for both CPUs to arm11 directory. Signed-off-by: Alexander Stein <alexanders83@web.de> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Tested-by: Stephen Warren <swarren@wwwdotorg.org> [trini: Add hunk to arch/arm/cpu/arm1136/Makefile] Signed-off-by: Tom Rini <trini@konsulko.com>