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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
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children d2c90368aeef
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1 #ifndef CYGONCE_HAL_PLF_IO_H
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2 #define CYGONCE_HAL_PLF_IO_H
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3 //=============================================================================
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4 //
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5 // plf_io.h
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6 //
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7 // Platform specific registers
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8 //
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9 //=============================================================================
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10 //####ECOSGPLCOPYRIGHTBEGIN####
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11 // -------------------------------------------
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12 // This file is part of eCos, the Embedded Configurable Operating System.
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13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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14 //
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15 // eCos is free software; you can redistribute it and/or modify it under
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16 // the terms of the GNU General Public License as published by the Free
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17 // Software Foundation; either version 2 or (at your option) any later version.
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18 //
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19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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22 // for more details.
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23 //
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24 // You should have received a copy of the GNU General Public License along
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25 // with eCos; if not, write to the Free Software Foundation, Inc.,
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26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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27 //
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28 // As a special exception, if other files instantiate templates or use macros
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29 // or inline functions from this file, or you compile this file and link it
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30 // with other works to produce a work based on this file, this file does not
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31 // by itself cause the resulting work to be covered by the GNU General Public
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32 // License. However the source code for this file must still be made available
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33 // in accordance with section (3) of the GNU General Public License.
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34 //
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35 // This exception does not invalidate any other reasons why a work based on
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36 // this file might be covered by the GNU General Public License.
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37 //
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38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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39 // at http://sources.redhat.com/ecos/ecos-license
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40 // -------------------------------------------
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41 //####ECOSGPLCOPYRIGHTEND####
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42 //=============================================================================
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43 //#####DESCRIPTIONBEGIN####
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44 //
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45 // Author(s): jskov
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46 // Contributors:jskov
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47 // Date: 2001-10-31
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48 // Purpose: ARM/AAED2000 platform specific registers
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49 // Description:
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50 // Usage: #include <cyg/hal/plf_io.h>
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51 //
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52 //####DESCRIPTIONEND####
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53 //
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54 //=============================================================================
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55
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56 #include <cyg/hal/aaed2000.h>
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57
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58 //-----------------------------------------------------------------------------
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59 // Address space translation macros
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60 // FIXME: The SDRAM translation is only correct for the first block
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61 #define CYGARC_PHYSICAL_ADDRESS(_x_) \
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62 ({ CYG_ADDRWORD _p = (CYG_ADDRWORD)(_x_); \
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63 if (_p >= AAED2000_SDRAM_VIRT_BASE && \
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64 _p < (AAED2000_SDRAM_VIRT_BASE+AAED2000_SDRAM_SIZE)) \
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65 _p = (_p & AAED2000_SDRAM_MASK) + AAED2000_SDRAM_PHYS_BASE; \
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66 else if (_p >= AAED2000_FLASH_VIRT_BASE && \
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67 _p < (AAED2000_FLASH_VIRT_BASE+AAED2000_FLASH_SIZE)) \
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68 _p = (_p & AAED2000_FLASH_MASK) + AAED2000_FLASH_PHYS_BASE; \
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69 _p; })
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70
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71 #define CYGARC_VIRTUAL_ADDRESS(_x_) \
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72 ({ CYG_ADDRWORD _p = (CYG_ADDRWORD)(_x_); \
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73 if (_p >= AAED2000_SDRAM_PHYS_BASE && \
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74 _p < (AAED2000_SDRAM_PHYS_BASE+AAED2000_SDRAM_SIZE)) \
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75 _p = (_p & AAED2000_SDRAM_MASK) + AAED2000_SDRAM_VIRT_BASE; \
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76 else if (_p >= AAED2000_FLASH_PHYS_BASE && \
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77 _p < (AAED2000_FLASH_PHYS_BASE+AAED2000_FLASH_SIZE)) \
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78 _p = (_p & AAED2000_FLASH_MASK) + AAED2000_FLASH_VIRT_BASE; \
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79 _p; })
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80
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81
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82
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83 //-----------------------------------------------------------------------------
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84 // Macro used for translating from flash address used by RedBoot to that
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85 // used by ARM Boot monitor.
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86 #define _ADDR_REDBOOT_TO_ARM(x) (((CYG_ADDRESS)x & ~0x60000000) | 0x04000000)
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87
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88 //-----------------------------------------------------------------------------
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89 // end of plf_io.h
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90 #endif // CYGONCE_HAL_PLF_IO_H