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annotate packages/hal/mips/arch/current/include/hal_io.h @ 3403:8c8767bb9a62 default tip
devs/nand/micron_mt29: Remove defunct references (in comments) to mt29f2g08_oob_ecc.
| author | Ross Younger <wry@ecoscentric.com> |
|---|---|
| date | Sun, 18 Jan 2015 17:59:01 +1300 |
| parents | 74dbf4c3f2e1 |
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| rev | line source |
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| 0 | 1 #ifndef CYGONCE_HAL_HAL_IO_H |
| 2 #define CYGONCE_HAL_HAL_IO_H | |
| 3 | |
| 4 //============================================================================= | |
| 5 // | |
| 2 | 6 // hal_io.h |
| 0 | 7 // |
| 2 | 8 // HAL device IO register support. |
| 0 | 9 // |
| 10 //============================================================================= | |
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11 // ####ECOSGPLCOPYRIGHTBEGIN#### |
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12 // ------------------------------------------- |
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13 // This file is part of eCos, the Embedded Configurable Operating System. |
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14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
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15 // |
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16 // eCos is free software; you can redistribute it and/or modify it under |
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17 // the terms of the GNU General Public License as published by the Free |
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18 // Software Foundation; either version 2 or (at your option) any later |
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19 // version. |
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20 // |
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21 // eCos is distributed in the hope that it will be useful, but WITHOUT |
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22 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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23 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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24 // for more details. |
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25 // |
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26 // You should have received a copy of the GNU General Public License |
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27 // along with eCos; if not, write to the Free Software Foundation, Inc., |
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28 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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29 // |
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30 // As a special exception, if other files instantiate templates or use |
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31 // macros or inline functions from this file, or you compile this file |
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32 // and link it with other works to produce a work based on this file, |
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33 // this file does not by itself cause the resulting work to be covered by |
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34 // the GNU General Public License. However the source code for this file |
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35 // must still be made available in accordance with section (3) of the GNU |
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36 // General Public License v2. |
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37 // |
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38 // This exception does not invalidate any other reasons why a work based |
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39 // on this file might be covered by the GNU General Public License. |
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40 // ------------------------------------------- |
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41 // ####ECOSGPLCOPYRIGHTEND#### |
| 0 | 42 //============================================================================= |
| 43 //#####DESCRIPTIONBEGIN#### | |
| 44 // | |
| 2 | 45 // Author(s): nickg |
| 46 // Contributors: nickg | |
| 47 // Date: 1998-02-17 | |
| 48 // Purpose: Define IO register support | |
| 49 // Description: The macros defined here provide the HAL APIs for handling | |
| 0 | 50 // device IO control registers. |
| 51 // | |
| 52 // Usage: | |
| 2 | 53 // #include <cyg/hal/hal_io.h> |
| 54 // ... | |
| 55 // | |
| 0 | 56 // |
| 57 //####DESCRIPTIONEND#### | |
| 58 // | |
| 59 //============================================================================= | |
| 60 | |
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61 #include <pkgconf/hal.h> |
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62 |
| 0 | 63 #include <cyg/infra/cyg_type.h> |
| 64 | |
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65 #include <cyg/hal/plf_io.h> |
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66 |
| 0 | 67 //----------------------------------------------------------------------------- |
| 68 // IO Register address. | |
| 69 // This type is for recording the address of an IO register. | |
| 70 | |
| 71 typedef volatile CYG_ADDRWORD HAL_IO_REGISTER; | |
| 72 | |
| 73 //----------------------------------------------------------------------------- | |
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74 // HAL IO macros. |
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75 #ifndef HAL_IO_MACROS_DEFINED |
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76 |
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77 //----------------------------------------------------------------------------- |
| 0 | 78 // BYTE Register access. |
| 79 // Individual and vectorized access to 8 bit registers. | |
| 80 | |
| 81 #define HAL_READ_UINT8( _register_, _value_ ) \ | |
| 82 ((_value_) = *((volatile CYG_BYTE *)(_register_))) | |
| 83 | |
| 84 #define HAL_WRITE_UINT8( _register_, _value_ ) \ | |
| 85 (*((volatile CYG_BYTE *)(_register_)) = (_value_)) | |
| 86 | |
| 87 #define HAL_READ_UINT8_VECTOR( _register_, _buf_, _count_, _step_ ) \ | |
| 88 { \ | |
| 89 cyg_count32 _i_,_j_; \ | |
| 90 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) \ | |
| 91 (_buf_)[_i_] = ((volatile CYG_BYTE *)(_register_))[_j_]; \ | |
| 92 } | |
| 93 | |
| 94 #define HAL_WRITE_UINT8_VECTOR( _register_, _buf_, _count_, _step_ ) \ | |
| 95 { \ | |
| 96 cyg_count32 _i_,_j_; \ | |
| 97 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) \ | |
| 98 ((volatile CYG_BYTE *)(_register_))[_j_] = (_buf_)[_i_]; \ | |
| 99 } | |
| 100 | |
| 101 | |
| 102 //----------------------------------------------------------------------------- | |
| 103 // 16 bit access. | |
| 104 // Individual and vectorized access to 16 bit registers. | |
| 105 | |
| 106 #define HAL_READ_UINT16( _register_, _value_ ) \ | |
| 107 ((_value_) = *((volatile CYG_WORD16 *)(_register_))) | |
| 108 | |
| 109 #define HAL_WRITE_UINT16( _register_, _value_ ) \ | |
| 110 (*((volatile CYG_WORD16 *)(_register_)) = (_value_)) | |
| 111 | |
| 112 #define HAL_READ_UINT16_VECTOR( _register_, _buf_, _count_, _step_ ) \ | |
| 113 { \ | |
| 114 cyg_count32 _i_,_j_; \ | |
| 115 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) \ | |
| 116 (_buf_)[_i_] = ((volatile CYG_WORD16 *)(_register_))[_j_]; \ | |
| 117 } | |
| 118 | |
| 119 #define HAL_WRITE_UINT16_VECTOR( _register_, _buf_, _count_, _step_ ) \ | |
| 120 { \ | |
| 121 cyg_count32 _i_,_j_; \ | |
| 122 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) \ | |
| 123 ((volatile CYG_WORD16 *)(_register_))[_j_] = (_buf_)[_i_]; \ | |
| 124 } | |
| 125 | |
| 126 //----------------------------------------------------------------------------- | |
| 127 // 32 bit access. | |
| 128 // Individual and vectorized access to 32 bit registers. | |
| 129 | |
| 130 #define HAL_READ_UINT32( _register_, _value_ ) \ | |
| 131 ((_value_) = *((volatile CYG_WORD32 *)(_register_))) | |
| 132 | |
| 133 #define HAL_WRITE_UINT32( _register_, _value_ ) \ | |
| 134 (*((volatile CYG_WORD32 *)(_register_)) = (_value_)) | |
| 135 | |
| 136 #define HAL_READ_UINT32_VECTOR( _register_, _buf_, _count_, _step_ ) \ | |
| 137 { \ | |
| 138 cyg_count32 _i_,_j_; \ | |
| 139 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) \ | |
| 140 (_buf_)[_i_] = ((volatile CYG_WORD32 *)(_register_))[_j_]; \ | |
| 141 } | |
| 142 | |
| 143 #define HAL_WRITE_UINT32_VECTOR( _register_, _buf_, _count_, _step_ ) \ | |
| 144 { \ | |
| 145 cyg_count32 _i_,_j_; \ | |
| 146 for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_)) \ | |
| 147 ((volatile CYG_WORD32 *)(_register_))[_j_] = (_buf_)[_i_]; \ | |
| 148 } | |
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150 #define HAL_IO_MACROS_DEFINED |
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151 |
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152 #endif |
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153 |
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154 |
| 0 | 155 //----------------------------------------------------------------------------- |
| 156 #endif // ifndef CYGONCE_HAL_HAL_IO_H | |
| 157 // End of hal_io.h |
