arch/powerpc/include/asm/ppc4xx_ocm.h

   1 /*
   2  * PowerPC 4xx OCM memory allocation support
   3  *
   4  * (C) Copyright 2009, Applied Micro Circuits Corporation
   5  * Victor Gallardo (vgallardo@amcc.com)
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #ifndef __ASM_POWERPC_PPC4XX_OCM_H__
  27 #define __ASM_POWERPC_PPC4XX_OCM_H__
  28
  29 #define PPC4XX_OCM_NON_CACHED 0
  30 #define PPC4XX_OCM_CACHED     1
  31
  32 #if defined(CONFIG_PPC4xx_OCM)
  33
  34 void *ppc4xx_ocm_alloc(phys_addr_t *phys, int size, int align,
  35                   int flags, const char *owner);
  36 void ppc4xx_ocm_free(const void *virt);
  37
  38 #else
  39
  40 #define ppc4xx_ocm_alloc(phys, size, align, flags, owner)       NULL
  41 #define ppc4xx_ocm_free(addr)   ((void)0)
  42
  43 #endif /* CONFIG_PPC4xx_OCM */
  44
  45 #endif  /* __ASM_POWERPC_PPC4XX_OCM_H__ */