text: /* SPDX-License-Identifier: GPL-2.0-only */
  /*
   * linux/arch/unicore32/include/asm/cache.h
   *
   * Code specific to PKUnity SoC and UniCore ISA
   *
   * Copyright (C) 2001-2010 GUAN Xue-tao
   */
  #ifndef __UNICORE_CACHE_H__
  #define __UNICORE_CACHE_H__
  
  #define L1_CACHE_SHIFT		(5)
  #define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
  
  /*
   * Memory returned by kmalloc() may be used for DMA, so we must make
   * sure that all such allocations are cache aligned. Otherwise,
   * unrelated code may cause parts of the buffer to be read into the
   * cache before the transfer is done, causing old data to be seen by
   * the CPU.
   */
  #define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
  
  #endif
  