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annotate packages/hal/arm/pid/current/include/hal_platform_setup.h @ 50:a0774359f013 ecos-sw-1999-11-02

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Merge from eCos master repository on 1999-11-02-17:02:15-GMT
author jlarmour
date Tue, 02 Nov 1999 20:57:07 +0000
parents 443894e2e912
children c38311975d4f
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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 Cygnus eCos Public License
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15 // Version 1.0 (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://sourceware.cygnus.com/ecos
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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 Cygnus Operating System, released
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25 // September 30, 1998.
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26 //
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27 // The Initial Developer of the Original Code is Cygnus. Portions created
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28 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
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29 // -------------------------------------------
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30 //
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31 //####COPYRIGHTEND####
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32 //=============================================================================
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33 //#####DESCRIPTIONBEGIN####
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34 //
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35 // Author(s): gthomas
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36 // Contributors: gthomas
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37 // Date: 1999-04-13
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38 // Purpose: ARM/PID platform specific support routines
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39 // Description:
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40 // Usage: #include <cyg/hal/hal_platform_setup.h>
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41 //
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42 //####DESCRIPTIONEND####
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43 //
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44 //===========================================================================*/
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45
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46
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47 // Define macro used to diddle the LEDs during early initialization.
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48 // Can use r0+r1. Argument in \x.
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49 // Control the LEDs PP0-PP3. This requires the jumpers on pins 9-16 to
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50 // be set on LK11 in order to be visible. Otherwise the parallel port
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51 // data pins are diddled instead.
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52 #ifdef CYGHWR_HAL_ARM_PID_DIAG_LEDS
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53 #define CYGHWR_LED_MACRO \
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54 ldr r0,=0x0d800040 ;\
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55 mov r1, #((15 & (\x)) << 4) ;\
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56 strb r1, [r0] ;
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57 #endif
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58
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59 #define MEM_RESET 0x0B000020 // Write to this location to enable RAM
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60
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61 #define PLATFORM_SETUP1 \
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62 ldr r0,=MEM_RESET /* enable RAM */ ;\
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63 str r0,[r0]
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64
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65 /*---------------------------------------------------------------------------*/
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66 /* end of hal_platform_setup.h */
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67 #endif /* CYGONCE_HAL_PLATFORM_SETUP_H */