u-boot/arch/sh/include/asm/cache.h
Vladimir Zapolskiy b33718c614 sh4: cache: move exported cache manipulation functions into cache.c
No functional change, moving cache manipulation functions into cache.c
allows to collect all of them in a single location and as a pleasant
side effect cache_control() function can be unexported now.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2016-12-02 21:32:42 -05:00

29 lines
602 B
C

#ifndef __ASM_SH_CACHE_H
#define __ASM_SH_CACHE_H
#if defined(CONFIG_CPU_SH4)
#define L1_CACHE_BYTES 32
struct __large_struct { unsigned long buf[100]; };
#define __m(x) (*(struct __large_struct *)(x))
#else
/*
* 32-bytes is the largest L1 data cache line size for SH the architecture. So
* it is a safe default for DMA alignment.
*/
#define ARCH_DMA_MINALIGN 32
#endif /* CONFIG_CPU_SH4 */
/*
* Use the L1 data cache line size value for the minimum DMA buffer alignment
* on SH.
*/
#ifndef ARCH_DMA_MINALIGN
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#endif
#endif /* __ASM_SH_CACHE_H */