diff options
| author | Simon Glass <sjg@chromium.org> | 2016-06-19 19:43:01 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-07-14 18:33:09 -0400 |
| commit | 397b5697ad242408979a00dda14138aa1439f52b (patch) | |
| tree | ce92deb6c96587ecf024b22a77aeb6ff8771fa9e /arch/arm/lib | |
| parent | ba169d981f80517f057bf635df7e3dab203b9cea (diff) | |
arm: Move check_cache_range() into a common place
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>
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/cache.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index 3bd87105c5..642a95242b 100644 --- a/arch/arm/lib/cache.c +++ b/arch/arm/lib/cache.c @@ -10,6 +10,10 @@ #include <common.h> #include <malloc.h> +#ifndef CONFIG_SYS_CACHELINE_SIZE +#define CONFIG_SYS_CACHELINE_SIZE 32 +#endif + /* * Flush range from all levels of d-cache/unified-cache. * Affects the range [start, start + size - 1]. @@ -46,6 +50,24 @@ __weak void flush_dcache_range(unsigned long start, unsigned long stop) /* An empty stub, real implementation should be in platform code */ } +int check_cache_range(unsigned long start, unsigned long stop) +{ + int ok = 1; + + if (start & (CONFIG_SYS_CACHELINE_SIZE - 1)) + ok = 0; + + if (stop & (CONFIG_SYS_CACHELINE_SIZE - 1)) + ok = 0; + + if (!ok) { + debug("CACHE: Misaligned operation at range [%08lx, %08lx]\n", + start, stop); + } + + return ok; +} + #ifdef CONFIG_SYS_NONCACHED_MEMORY /* * Reserve one MMU section worth of address space below the malloc() area that |