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annotate packages/hal/arm/pid/current/include/hal_platform_setup.h @ 208:e0c0827131d1 ecos

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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
parents f2545e5de153
children d2c90368aeef
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1 #ifndef CYGONCE_HAL_PLATFORM_SETUP_H
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2 #define CYGONCE_HAL_PLATFORM_SETUP_H
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3
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4 /*=============================================================================
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5 //
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6 // hal_platform_setup.h
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7 //
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8 // Platform specific support for HAL (assembly code)
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9 //
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10 //=============================================================================
208
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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 Red Hat, 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 version.
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19 //
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20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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23 // for more details.
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24 //
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25 // You should have received a copy of the GNU General Public License along
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26 // with eCos; if not, write to the Free Software Foundation, Inc.,
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27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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28 //
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29 // As a special exception, if other files instantiate templates or use macros
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30 // or inline functions from this file, or you compile this file and link it
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31 // with other works to produce a work based on this file, this file does not
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32 // by itself cause the resulting work to be covered by the GNU General Public
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33 // License. However the source code for this file must still be made available
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34 // in accordance with section (3) of the GNU General Public License.
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35 //
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36 // This exception does not invalidate any other reasons why a work based on
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37 // this file might be covered by the GNU General Public License.
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38 //
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39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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40 // at http://sources.redhat.com/ecos/ecos-license
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41 // -------------------------------------------
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42 //####ECOSGPLCOPYRIGHTEND####
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43 //=============================================================================
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44 //#####DESCRIPTIONBEGIN####
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45 //
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46 // Author(s): gthomas
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47 // Contributors: gthomas
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48 // Date: 1999-04-13
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49 // Purpose: ARM/PID platform specific support routines
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50 // Description:
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51 // Usage: #include <cyg/hal/hal_platform_setup.h>
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52 //
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53 //####DESCRIPTIONEND####
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54 //
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55 //===========================================================================*/
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56
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57
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58 // Define macro used to diddle the LEDs during early initialization.
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59 // Can use r0+r1. Argument in \x.
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60 // Control the LEDs PP0-PP3. This requires the jumpers on pins 9-16 to
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61 // be set on LK11 in order to be visible. Otherwise the parallel port
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62 // data pins are diddled instead.
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63 #ifdef CYGHWR_HAL_ARM_PID_DIAG_LEDS
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64 #define CYGHWR_LED_MACRO \
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65 ldr r0,=0x0d800040 ;\
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66 mov r1, #((15 & (\x)) << 4) ;\
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67 strb r1, [r0] ;
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68 #endif
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69
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70 #define MEM_RESET 0x0B000020 // Write to this location to enable RAM
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72 #define PLATFORM_SETUP1 \
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73 ldr r0,=10f ;\
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74 mov pc,r0 ;\
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75 10: ldr r0,=MEM_RESET /* enable RAM */ ;\
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76 str r0,[r0]
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77
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78 /*---------------------------------------------------------------------------*/
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79 /* end of hal_platform_setup.h */
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80 #endif /* CYGONCE_HAL_PLATFORM_SETUP_H */