#ifndef __ASM_NIOS2_CACHE_H_
#define __ASM_NIOS2_CACHE_H_
-extern void flush_dcache (unsigned long start, unsigned long size);
-extern void flush_icache (unsigned long start, unsigned long size);
-
/*
- * Valid L1 data cache line sizes for the NIOS2 architecture are 4, 16, and 32
- * bytes. If the board configuration has not specified one we default to the
- * largest of these values for alignment of DMA buffers.
+ * Valid L1 data cache line sizes for the NIOS2 architecture are 4,
+ * 16, and 32 bytes. We default to the largest of these values for
+ * alignment of DMA buffers.
*/
-#ifdef CONFIG_SYS_CACHELINE_SIZE
-#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
-#else
#define ARCH_DMA_MINALIGN 32
-#endif
#endif /* __ASM_NIOS2_CACHE_H_ */