packages/hal/arm/mx31/ads/v2_0/include/plf_io.h

   1 #ifndef CYGONCE_HAL_ARM_BOARD_PLF_IO_H
   2 #define CYGONCE_HAL_ARM_BOARD_PLF_IO_H
   3
   4 //=============================================================================
   5 //
   6 //      plf_io.h
   7 //
   8 //      Platform specific support (register layout, etc)
   9 //
  10 //=============================================================================
  11 //####ECOSGPLCOPYRIGHTBEGIN####
  12 // -------------------------------------------
  13 // This file is part of eCos, the Embedded Configurable Operating System.
  14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
  15 //
  16 // eCos is free software; you can redistribute it and/or modify it under
  17 // the terms of the GNU General Public License as published by the Free
  18 // Software Foundation; either version 2 or (at your option) any later version.
  19 //
  20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
  21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
  22 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  23 // for more details.
  24 //
  25 // You should have received a copy of the GNU General Public License along
  26 // with eCos; if not, write to the Free Software Foundation, Inc.,
  27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  28 //
  29 // As a special exception, if other files instantiate templates or use macros
  30 // or inline functions from this file, or you compile this file and link it
  31 // with other works to produce a work based on this file, this file does not
  32 // by itself cause the resulting work to be covered by the GNU General Public
  33 // License. However the source code for this file must still be made available
  34 // in accordance with section (3) of the GNU General Public License.
  35 //
  36 // This exception does not invalidate any other reasons why a work based on
  37 // this file might be covered by the GNU General Public License.
  38 //
  39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
  40 // at http://sources.redhat.com/ecos/ecos-license/
  41 // -------------------------------------------
  42 //####ECOSGPLCOPYRIGHTEND####
  43 //=============================================================================
  44
  45 #include <cyg/hal/fsl_board.h>
  46 #include <cyg/hal/hal_soc.h>
  47
  48 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_)                                                           \
  49     CYG_MACRO_START                                                                                  \
  50     {                                                                                                \
  51       extern unsigned int system_rev;                                                                \
  52              /* Next ATAG_MEM. */                                                                    \
  53          _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header))/sizeof(long);        \
  54          _p_->hdr.tag = ATAG_MEM;                                                                    \
  55          /* Round up so there's only one bit set in the memory size.                                 \
  56          * Don't double it if it's already a power of two, though.                                   \
  57          */                                                                                          \
  58          _p_->u.mem.size  = 1<<hal_msbindex(CYGMEM_REGION_ram_SIZE);                                 \
  59          if (_p_->u.mem.size < CYGMEM_REGION_ram_SIZE)                                               \
  60                  _p_->u.mem.size <<= 1;                                                              \
  61          _p_->u.mem.start = CYGARC_PHYSICAL_ADDRESS(CYGMEM_REGION_ram);                              \
  62          _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                                          \
  63          _p_->hdr.size = ((sizeof(struct tag_revision)) + sizeof(struct tag_header))/sizeof(long);   \
  64          _p_->hdr.tag = ATAG_REVISION;                                                               \
  65          _p_->u.revision.rev = system_rev;                                                           \
  66      }                                                                                               \
  67     CYG_MACRO_END
  68
  69 #endif // CYGONCE_HAL_ARM_BOARD_PLF_IO_H