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annotate packages/hal/powerpc/viper/current/include/plf_cache.h @ 159:511f4dc167f6

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Merge from eCos master repository on 2001-05-18-01:30:05-BST
author jlarmour
date Fri, 18 May 2001 06:32:28 +0000
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children e0c0827131d1
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1 #ifndef CYGONCE_PLF_CACHE_H
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2 #define CYGONCE_PLF_CACHE_H
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3
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4 //=============================================================================
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5 //
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6 // plf_cache.h
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7 //
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8 // Platform HAL cache details
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9 //
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10 //=============================================================================
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11 //####COPYRIGHTBEGIN####
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12 //
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13 // -------------------------------------------
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14 // The contents of this file are subject to the Red Hat eCos Public License
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15 // Version 1.1 (the "License"); you may not use this file except in
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16 // compliance with the License. You may obtain a copy of the License at
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17 // http://www.redhat.com/
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18 //
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19 // Software distributed under the License is distributed on an "AS IS"
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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21 // License for the specific language governing rights and limitations under
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22 // the License.
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23 //
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24 // The Original Code is eCos - Embedded Configurable Operating System,
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25 // released September 30, 1998.
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26 //
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27 // The Initial Developer of the Original Code is Red Hat.
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28 // Portions created by Red Hat are
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29 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
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30 // All Rights Reserved.
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31 // -------------------------------------------
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32 //
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33 //####COPYRIGHTEND####
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34 //=============================================================================
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35 //#####DESCRIPTIONBEGIN####
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36 //
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37 // Author(s): jskov
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38 // Contributors:jskov
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39 // Date: 2000-01-26
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40 // Purpose: Platform cache control API
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41 // Description: The macros defined here provide the platform specific
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42 // cache control operations / behavior.
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43 // Usage: Is included via the architecture cache header:
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44 // #include <cyg/hal/hal_cache.h>
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45 //
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46 //####DESCRIPTIONEND####
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47 //
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48 //=============================================================================
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49
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50 //---------------------------------------------------------------------------
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51 // Initial cache enabling
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52 #ifdef CYGSEM_HAL_ROM_MONITOR
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53 # define CYGPRI_INIT_CACHES
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54 # define CYGPRI_ENABLE_CACHES
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55 #endif
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56
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57 //-----------------------------------------------------------------------------
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58 // FIXME: This definition forces the IO flash driver to use a
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59 // known-good procedure for fiddling flash before calling flash device
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60 // driver functions. The procedure breaks on other platform/driver
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61 // combinations though so is depricated. Hence this definition.
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62 //
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63 // If you work on this target, please try to remove this definition
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64 // and verify that the flash driver still works (both from RAM and
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65 // flash). If it does, remove the definition and this comment for good
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66 // [and the old macro definition if this happens to be the last client
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67 // of that code].
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68 #define HAL_FLASH_CACHES_OLD_MACROS
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69
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70 //-----------------------------------------------------------------------------
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71 #endif // ifndef CYGONCE_PLF_CACHE_H
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72 // End of plf_cache.h