packages/hal/arm/mx53/karo/v1_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 CYGBLD_HAL_PLF_DEFS_H
  46 #include <cyg/hal/hal_soc.h>
  47
  48 #define __ul(x)                 ((unsigned long)(x))
  49 #define CYGARC_PHYSICAL_ADDRESS(x) ((__ul(x) < SDRAM_SIZE) ?                    \
  50         (__ul(x) + ((__ul(x) < RAM_BANK0_SIZE) ? \
  51         RAM_BANK0_BASE : RAM_BANK1_BASE - RAM_BANK0_SIZE)) :    \
  52         ((__ul(x) >= RAM_BANK0_BASE) && (__ul(x) < RAM_BANK0_BASE + SDRAM_SIZE)) ? \
  53         (((__ul(x) < RAM_BANK0_BASE + RAM_BANK0_SIZE)) ? \
  54         __ul(x) : __ul(x) - RAM_BANK0_BASE + RAM_BANK1_BASE - RAM_BANK0_SIZE) : ~0)
  55
  56 #ifdef RAM_BANK1_SIZE
  57 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_)                                                      \
  58         CYG_MACRO_START                                                                                                 \
  59         {                                                                                                                               \
  60                 extern unsigned int system_rev;                                                         \
  61                 /* Next ATAG_MEM. */                                                                            \
  62                 _p_->hdr.size = (sizeof(struct tag_mem32) +                                     \
  63                                                   sizeof(struct tag_header))/sizeof(long);      \
  64                 _p_->hdr.tag = ATAG_MEM;                                                                        \
  65                 /* Round up so there's only one bit set in the memory size.     \
  66                 * Don't double it if it's already a power of two, though.       \
  67                 */                                                                                                                      \
  68                 _p_->u.mem.size  = 1<<hal_msbindex(RAM_BANK0_SIZE);                     \
  69                 if (_p_->u.mem.size < RAM_BANK0_SIZE)                                           \
  70                                  _p_->u.mem.size <<= 1;                                                         \
  71                 _p_->u.mem.start = RAM_BANK0_BASE;                                                      \
  72                                                                                                                                         \
  73                 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                      \
  74                                                                                                                                         \
  75                 /* Next ATAG_MEM. */                                                                            \
  76                 _p_->hdr.size = (sizeof(struct tag_mem32) +                                     \
  77                                                   sizeof(struct tag_header))/sizeof(long);      \
  78                 _p_->hdr.tag = ATAG_MEM;                                                                        \
  79                 /* Round up so there's only one bit set in the memory size.     \
  80                 * Don't double it if it's already a power of two, though.       \
  81                 */                                                                                                                      \
  82                 _p_->u.mem.size  = 1<<hal_msbindex(RAM_BANK1_SIZE);                     \
  83                 if (_p_->u.mem.size < RAM_BANK1_SIZE)                                           \
  84                                  _p_->u.mem.size <<= 1;                                                         \
  85                 _p_->u.mem.start = RAM_BANK1_BASE;                                                      \
  86                                                                                                                                         \
  87                 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                      \
  88                                                                                                                                         \
  89                 _p_->hdr.size = ((sizeof(struct tag_revision)) +                        \
  90                                                   sizeof(struct tag_header))/sizeof(long);      \
  91                 _p_->hdr.tag = ATAG_REVISION;                                                           \
  92                 _p_->u.revision.rev = system_rev;                                                       \
  93         }                                                                                                                               \
  94         CYG_MACRO_END
  95 #else
  96 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_)                                                      \
  97         CYG_MACRO_START                                                                                                 \
  98         {                                                                                                                               \
  99                 extern unsigned int system_rev;                                                         \
 100                 /* Next ATAG_MEM. */                                                                            \
 101                 _p_->hdr.size = (sizeof(struct tag_mem32) +                                     \
 102                                                   sizeof(struct tag_header))/sizeof(long);      \
 103                 _p_->hdr.tag = ATAG_MEM;                                                                        \
 104                 /* Round up so there's only one bit set in the memory size.     \
 105                 * Don't double it if it's already a power of two, though.       \
 106                 */                                                                                                                      \
 107                 _p_->u.mem.size  = 1<<hal_msbindex(RAM_BANK0_SIZE);                     \
 108                 if (_p_->u.mem.size < RAM_BANK0_SIZE)                                           \
 109                                  _p_->u.mem.size <<= 1;                                                         \
 110                 _p_->u.mem.start = RAM_BANK0_BASE;                                                      \
 111                                                                                                                                         \
 112                 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                      \
 113                                                                                                                                         \
 114                 _p_->hdr.size = ((sizeof(struct tag_revision)) +                        \
 115                                                   sizeof(struct tag_header))/sizeof(long);      \
 116                 _p_->hdr.tag = ATAG_REVISION;                                                           \
 117                 _p_->u.revision.rev = system_rev;                                                       \
 118         }                                                                                                                               \
 119         CYG_MACRO_END
 120 #endif /* RAM_BANK1_SIZE */
 121
 122 #endif // CYGONCE_HAL_ARM_BOARD_PLF_IO_H