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| author | Wolfgang Denk <wd@denx.de> | 2010-04-24 21:13:31 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-24 21:13:31 +0200 |
| commit | 500fbae2043532275e09a8666d837d052c9bad9a (patch) | |
| tree | f793ba7c048230cf2d9f888faa4df7dc038fd679 /arch/microblaze/cpu/cache.c | |
| parent | b919a3f2981109c9f2aaafe9c692dbb99f1c6366 (diff) | |
| parent | 8ff972c6e99938f1a033e5500dccc9a37ce3406f (diff) | |
| download | olio-uboot-2014.01-500fbae2043532275e09a8666d837d052c9bad9a.tar.xz olio-uboot-2014.01-500fbae2043532275e09a8666d837d052c9bad9a.zip | |
Merge branch 'master' of git://git.denx.de/u-boot-microblaze
Diffstat (limited to 'arch/microblaze/cpu/cache.c')
| -rw-r--r-- | arch/microblaze/cpu/cache.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/microblaze/cpu/cache.c b/arch/microblaze/cpu/cache.c index 3b7c4d4f7..d258a6938 100644 --- a/arch/microblaze/cpu/cache.c +++ b/arch/microblaze/cpu/cache.c @@ -50,6 +50,8 @@ void icache_enable (void) { } void icache_disable(void) { + /* we are not generate ICACHE size -> flush whole cache */ + flush_cache(0, 32768); MSRCLR(0x20); } @@ -58,5 +60,31 @@ void dcache_enable (void) { } void dcache_disable(void) { +#ifdef XILINX_USE_DCACHE +#ifdef XILINX_DCACHE_BYTE_SIZE + flush_cache(0, XILINX_DCACHE_BYTE_SIZE); +#else +#warning please rebuild BSPs and update configuration + flush_cache(0, 32768); +#endif +#endif MSRCLR(0x80); } + +void flush_cache (ulong addr, ulong size) +{ + int i; + for (i = 0; i < size; i += 4) + asm volatile ( +#ifdef CONFIG_ICACHE + "wic %0, r0;" +#endif + "nop;" +#ifdef CONFIG_DCACHE + "wdc.flush %0, r0;" +#endif + "nop;" + : + : "r" (addr + i) + : "memory"); +} |