diff options
Diffstat (limited to 'lib_blackfin/cache.c')
| -rw-r--r-- | lib_blackfin/cache.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib_blackfin/cache.c b/lib_blackfin/cache.c index c2f6e28..870c5bf 100644 --- a/lib_blackfin/cache.c +++ b/lib_blackfin/cache.c @@ -11,6 +11,7 @@ #include <common.h> #include <asm/blackfin.h> +#include <asm/mach-common/bits/mpu.h> void flush_cache(unsigned long addr, unsigned long size) { @@ -24,3 +25,37 @@ void flush_cache(unsigned long addr, unsigned long size) if (dcache_status()) blackfin_dcache_flush_range((void *)addr, (void *)(addr + size)); } + +void icache_enable(void) +{ + bfin_write_IMEM_CONTROL(IMC | ENICPLB); + SSYNC(); +} + +void icache_disable(void) +{ + bfin_write_IMEM_CONTROL(0); + SSYNC(); +} + +int icache_status(void) +{ + return bfin_read_IMEM_CONTROL() & IMC; +} + +void dcache_enable(void) +{ + bfin_write_DMEM_CONTROL(ACACHE_BCACHE | ENDCPLB | PORT_PREF0); + SSYNC(); +} + +void dcache_disable(void) +{ + bfin_write_DMEM_CONTROL(0); + SSYNC(); +} + +int dcache_status(void) +{ + return bfin_read_DMEM_CONTROL() & ACACHE_BCACHE; +} |