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kernel/linux-rt-4.4.41/arch/powerpc/include/asm/fsl_85xx_cache_sram.h 1.43 KB
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  /*
   * Copyright 2009 Freescale Semiconductor, Inc.
   *
   * Cache SRAM handling for QorIQ platform
   *
   * Author: Vivek Mahajan <vivek.mahajan@freescale.com>
  
   * This file is derived from the original work done
   * by Sylvain Munaut for the Bestcomm SRAM allocator.
   *
   * This program is free software; you can redistribute  it and/or modify it
   * under  the terms of  the GNU General  Public License as published by the
   * Free Software Foundation;  either version 2 of the  License, or (at your
   * option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  
  #ifndef __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
  #define __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
  
  #include <asm/rheap.h>
  #include <linux/spinlock.h>
  
  /*
   * Cache-SRAM
   */
  
  struct mpc85xx_cache_sram {
  	phys_addr_t base_phys;
  	void *base_virt;
  	unsigned int size;
  	rh_info_t *rh;
  	spinlock_t lock;
  };
  
  extern void mpc85xx_cache_sram_free(void *ptr);
  extern void *mpc85xx_cache_sram_alloc(unsigned int size,
  				  phys_addr_t *phys, unsigned int align);
  
  #endif /* __AMS_POWERPC_FSL_85XX_CACHE_SRAM_H__ */