diff options
Diffstat (limited to 'lib_blackfin/cache.c')
| -rw-r--r-- | lib_blackfin/cache.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib_blackfin/cache.c b/lib_blackfin/cache.c index 870c5bf..1557864 100644 --- a/lib_blackfin/cache.c +++ b/lib_blackfin/cache.c @@ -15,15 +15,25 @@ void flush_cache(unsigned long addr, unsigned long size) { + void *start_addr, *end_addr; + int istatus, dstatus; + /* no need to flush stuff in on chip memory (L1/L2/etc...) */ if (addr >= 0xE0000000) return; - if (icache_status()) - blackfin_icache_flush_range((void *)addr, (void *)(addr + size)); + start_addr = (void *)addr; + end_addr = (void *)(addr + size); + istatus = icache_status(); + dstatus = dcache_status(); - if (dcache_status()) - blackfin_dcache_flush_range((void *)addr, (void *)(addr + size)); + if (istatus) { + if (dstatus) + blackfin_icache_dcache_flush_range(start_addr, end_addr); + else + blackfin_icache_flush_range(start_addr, end_addr); + } else if (dstatus) + blackfin_dcache_flush_range(start_addr, end_addr); } void icache_enable(void) |