diff options
Diffstat (limited to 'arch/blackfin/include')
-rw-r--r-- | arch/blackfin/include/asm/cplbinit.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h index 9d23cd1ff7d..d179b747ff0 100644 --- a/arch/blackfin/include/asm/cplbinit.h +++ b/arch/blackfin/include/asm/cplbinit.h @@ -92,4 +92,18 @@ extern unsigned long reserved_mem_icache_on; extern void generate_cplb_tables(void); +static inline int bfin_addr_dcachable(unsigned long addr) +{ +#ifdef CONFIG_BFIN_DCACHE + if (addr < (_ramend - DMA_UNCACHED_REGION)) + return 1; +#endif + + if (reserved_mem_dcache_on && + addr >= _ramend && addr < physical_mem_end) + return 1; + + return 0; +} + #endif |