diff options
Diffstat (limited to 'roms/u-boot/arch/mips/include/asm/cache.h')
| -rw-r--r-- | roms/u-boot/arch/mips/include/asm/cache.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/roms/u-boot/arch/mips/include/asm/cache.h b/roms/u-boot/arch/mips/include/asm/cache.h new file mode 100644 index 00000000..0dfb54ef --- /dev/null +++ b/roms/u-boot/arch/mips/include/asm/cache.h @@ -0,0 +1,21 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MIPS_CACHE_H__ +#define __MIPS_CACHE_H__ + +/* + * The maximum L1 data cache line size on MIPS seems to be 128 bytes. We use + * that as a default for aligning DMA buffers unless the board config has + * specified another cache line size. + */ +#ifdef CONFIG_SYS_CACHELINE_SIZE +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE +#else +#define ARCH_DMA_MINALIGN 128 +#endif + +#endif /* __MIPS_CACHE_H__ */ |