diff options
Diffstat (limited to 'arch/blackfin/include/asm/cacheflush.h')
| -rw-r--r-- | arch/blackfin/include/asm/cacheflush.h | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h index 2666ff8ea95..9a5b2c572eb 100644 --- a/arch/blackfin/include/asm/cacheflush.h +++ b/arch/blackfin/include/asm/cacheflush.h @@ -11,6 +11,9 @@ #include <asm/blackfin.h> /* for SSYNC() */ #include <asm/sections.h> /* for _ramend */ +#ifdef CONFIG_SMP +#include <asm/smp.h> +#endif extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address); extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address); @@ -36,8 +39,13 @@ extern void blackfin_invalidate_entire_icache(void); static inline void flush_icache_range(unsigned start, unsigned end) { -#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK) - blackfin_dcache_flush_range(start, end); +#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) + if (end <= physical_mem_end) + blackfin_dcache_flush_range(start, end); +#endif +#if defined(CONFIG_BFIN_L2_WRITEBACK) + if (start >= L2_START && end <= L2_START + L2_LENGTH) + blackfin_dcache_flush_range(start, end); #endif /* Make sure all write buffers in the data side of the core @@ -49,9 +57,17 @@ static inline void flush_icache_range(unsigned start, unsigned end) * the pipeline. */ SSYNC(); -#if defined(CONFIG_BFIN_ICACHE) - blackfin_icache_flush_range(start, end); - flush_icache_range_others(start, end); +#if defined(CONFIG_BFIN_EXTMEM_ICACHEABLE) + if (end <= physical_mem_end) { + blackfin_icache_flush_range(start, end); + flush_icache_range_others(start, end); + } +#endif +#if defined(CONFIG_BFIN_L2_ICACHEABLE) + if (start >= L2_START && end <= L2_START + L2_LENGTH) { + blackfin_icache_flush_range(start, end); + flush_icache_range_others(start, end); + } #endif } |