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annotate packages/hal/arm/pid/current/include/hal_platform_setup.h @ 158:f2545e5de153

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Merge from eCos master repository on 2001-04-24-11:22:42-BST
author jlarmour
date Wed, 25 Apr 2001 23:22:52 +0000
parents bf00f99aec69
children e0c0827131d1
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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 //=============================================================================
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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 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): gthomas
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38 // Contributors: gthomas
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39 // Date: 1999-04-13
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40 // Purpose: ARM/PID platform specific support routines
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41 // Description:
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42 // Usage: #include <cyg/hal/hal_platform_setup.h>
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43 //
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44 //####DESCRIPTIONEND####
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45 //
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46 //===========================================================================*/
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49 // Define macro used to diddle the LEDs during early initialization.
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50 // Can use r0+r1. Argument in \x.
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51 // Control the LEDs PP0-PP3. This requires the jumpers on pins 9-16 to
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52 // be set on LK11 in order to be visible. Otherwise the parallel port
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53 // data pins are diddled instead.
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54 #ifdef CYGHWR_HAL_ARM_PID_DIAG_LEDS
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55 #define CYGHWR_LED_MACRO \
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56 ldr r0,=0x0d800040 ;\
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57 mov r1, #((15 & (\x)) << 4) ;\
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58 strb r1, [r0] ;
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59 #endif
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61 #define MEM_RESET 0x0B000020 // Write to this location to enable RAM
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63 #define PLATFORM_SETUP1 \
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64 ldr r0,=10f ;\
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65 mov pc,r0 ;\
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66 10: ldr r0,=MEM_RESET /* enable RAM */ ;\
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67 str r0,[r0]
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69 /*---------------------------------------------------------------------------*/
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70 /* end of hal_platform_setup.h */
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71 #endif /* CYGONCE_HAL_PLATFORM_SETUP_H */