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kernel/linux-rt-4.4.41/arch/powerpc/include/asm/ppc4xx_ocm.h 1.41 KB
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  /*
   * PowerPC 4xx OCM memory allocation support
   *
   * (C) Copyright 2009, Applied Micro Circuits Corporation
   * Victor Gallardo (vgallardo@amcc.com)
   *
   * See file CREDITS for list of people who contributed to this
   * project.
   *
   * 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., 59 Temple Place, Suite 330, Boston,
   * MA 02111-1307 USA
   */
  
  #ifndef __ASM_POWERPC_PPC4XX_OCM_H__
  #define __ASM_POWERPC_PPC4XX_OCM_H__
  
  #define PPC4XX_OCM_NON_CACHED 0
  #define PPC4XX_OCM_CACHED     1
  
  #if defined(CONFIG_PPC4xx_OCM)
  
  void *ppc4xx_ocm_alloc(phys_addr_t *phys, int size, int align,
  		  int flags, const char *owner);
  void ppc4xx_ocm_free(const void *virt);
  
  #else
  
  #define ppc4xx_ocm_alloc(phys, size, align, flags, owner)	NULL
  #define ppc4xx_ocm_free(addr)	((void)0)
  
  #endif /* CONFIG_PPC4xx_OCM */
  
  #endif  /* __ASM_POWERPC_PPC4XX_OCM_H__ */