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

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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#ifndef CYGONCE_HAL_PLATFORM_SETUP_H
#define CYGONCE_HAL_PLATFORM_SETUP_H

/*=============================================================================
//
//      hal_platform_setup.h
//
//      Platform specific support for HAL (assembly code)
//
//=============================================================================
//####COPYRIGHTBEGIN####
//
// -------------------------------------------
// The contents of this file are subject to the Cygnus eCos Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License.  You may obtain a copy of the License at
// http://sourceware.cygnus.com/ecos
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
// License for the specific language governing rights and limitations under
// the License.
// 
// The Original Code is eCos - Embedded Cygnus Operating System, released
// September 30, 1998.
// 
// The Initial Developer of the Original Code is Cygnus.  Portions created
// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions.  All Rights Reserved.
// -------------------------------------------
//
//####COPYRIGHTEND####
//=============================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    gthomas
// Contributors: gthomas
// Date:        1999-04-13
// Purpose:     ARM/PID platform specific support routines
// Description: 
// Usage:       #include <cyg/hal/hal_platform_setup.h>
//
//####DESCRIPTIONEND####
//
//===========================================================================*/


// Define macro used to diddle the LEDs during early initialization.
// Can use r0+r1. Argument in \x.
// Control the LEDs PP0-PP3. This requires the jumpers on pins 9-16 to
// be set on LK11 in order to be visible. Otherwise the parallel port
// data pins are diddled instead.
#ifdef CYGHWR_HAL_ARM_PID_DIAG_LEDS
#define CYGHWR_LED_MACRO                                                  \
        ldr     r0,=0x0d800040                                           ;\
        mov     r1, #((15 & (\x)) << 4)                                  ;\
        strb    r1, [r0]                                                 ;
#endif

#define MEM_RESET         0x0B000020  // Write to this location to enable RAM

#define PLATFORM_SETUP1                                 \
	ldr	r0,=MEM_RESET	/* enable RAM */       ;\
	str	r0,[r0]

/*---------------------------------------------------------------------------*/
/* end of hal_platform_setup.h                                               */
#endif /* CYGONCE_HAL_PLATFORM_SETUP_H */