include/asm-powerpc/dcr-native.h

   1 /*
   2  * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
   3  *                    <benh@kernel.crashing.org>
   4  *
   5  *   This program is free software;  you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation; either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  13  *   the GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program;  if not, write to the Free Software
  17  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18  */
  19
  20 #ifndef _ASM_POWERPC_DCR_NATIVE_H
  21 #define _ASM_POWERPC_DCR_NATIVE_H
  22 #ifdef __KERNEL__
  23
  24 #include <asm/reg.h>
  25
  26 typedef struct {} dcr_host_t;
  27
  28 #define DCR_MAP_OK(host)        (1)
  29
  30 #define dcr_map(dev, dcr_n, dcr_c)      {}
  31 #define dcr_unmap(host, dcr_n, dcr_c)   {}
  32 #define dcr_read(host, dcr_n)           mfdcr(dcr_n)
  33 #define dcr_write(host, dcr_n, value)   mtdcr(dcr_n, value)
  34
  35
  36 #endif /* __KERNEL__ */
  37 #endif /* _ASM_POWERPC_DCR_NATIVE_H */
  38
  39