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kernel/linux-rt-4.4.41/include/linux/platform_data/dma-mmp_tdma.h 794 Bytes
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  /*
   *  SRAM Memory Management
   *
   *  Copyright (c) 2011 Marvell Semiconductors Inc.
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License version 2 as
   *  published by the Free Software Foundation.
   *
   */
  
  #ifndef __DMA_MMP_TDMA_H
  #define __DMA_MMP_TDMA_H
  
  #include <linux/genalloc.h>
  
  /* ARBITRARY:  SRAM allocations are multiples of this 2^N size */
  #define SRAM_GRANULARITY	512
  
  enum sram_type {
  	MMP_SRAM_UNDEFINED = 0,
  	MMP_ASRAM,
  	MMP_ISRAM,
  };
  
  struct sram_platdata {
  	char *pool_name;
  	int granularity;
  };
  
  #ifdef CONFIG_ARM
  extern struct gen_pool *sram_get_gpool(char *pool_name);
  #else
  static inline struct gen_pool *sram_get_gpool(char *pool_name)
  {
  	return NULL;
  }
  #endif
  
  #endif /* __DMA_MMP_TDMA_H */