packages/hal/arm/mx51/3stack/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 extern unsigned int cpld_base_addr;
  49
  50 #define LAN92XX_REG_READ(reg_offset)  \
  51     (*(volatile unsigned int *)(cpld_base_addr + reg_offset))
  52
  53 #define LAN92XX_REG_WRITE(reg_offset, val)  \
  54     (*(volatile unsigned int *)(cpld_base_addr + reg_offset) = (val))
  55
  56 #define LED_IS_ON(n)    ((readw(cpld_base_addr + PBC_LED_CTRL) & (1 << (n))) != 0)
  57 #define TURN_LED_ON(n)  writew((readw(cpld_base_addr + PBC_LED_CTRL) | (1 << (n))), cpld_base_addr + PBC_LED_CTRL)
  58 #define TURN_LED_OFF(n) writew((readw(cpld_base_addr + PBC_LED_CTRL) & (~(1<<(n)))), cpld_base_addr + PBC_LED_CTRL)
  59
  60 #define BOARD_DEBUG_LED(n)   0
  61 /*
  62 #define BOARD_DEBUG_LED(n)                      \
  63     CYG_MACRO_START                             \
  64         if (n >= 0 && n < LED_MAX_NUM) {        \
  65                 if (LED_IS_ON(n))               \
  66                         TURN_LED_OFF(n);        \
  67                 else                            \
  68                         TURN_LED_ON(n);         \
  69         }                                       \
  70     CYG_MACRO_END
  71 */
  72
  73 extern unsigned int system_rev;
  74
  75 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_)                                  \
  76     CYG_MACRO_START                                                                                  \
  77     {                                                                                                              \
  78       extern unsigned int system_rev;                                                             \
  79              /* Next ATAG_MEM. */                                                                     \
  80          _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header)) / sizeof(long);        \
  81          _p_->hdr.tag = ATAG_MEM;                                                                    \
  82          /* Round up so there's only one bit set in the memory size.                        \
  83          * Don't double it if it's already a power of two, though.                                \
  84          */                                                                                                          \
  85          _p_->u.mem.size  = 1<<hal_msbindex(CYGMEM_REGION_ram_SIZE);    \
  86          if (_p_->u.mem.size < CYGMEM_REGION_ram_SIZE)                                \
  87                  _p_->u.mem.size <<= 1;                                                                \
  88          if (((system_rev >> MAJOR_NUMBER_OFFSET) & 0xf) == 0x2)            \
  89                  _p_->u.mem.size = 512 * 0x100000;                          \
  90          _p_->u.mem.start = CYGARC_PHYSICAL_ADDRESS(CYGMEM_REGION_ram);    \
  91          _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                                          \
  92          _p_->hdr.size = ((sizeof(struct tag_revision)) + sizeof(struct tag_header)) / sizeof(long);   \
  93          _p_->hdr.tag = ATAG_REVISION;                                                               \
  94          _p_->u.revision.rev = system_rev;                                                           \
  95      }                                                                                               \
  96     CYG_MACRO_END
  97
  98 #endif // CYGONCE_HAL_ARM_BOARD_PLF_IO_H