OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [arm/] [pid/] [current/] [include/] [hal_platform_setup.h] - Rev 856

Go to most recent revision | Compare with Previous | Blame | View Log

#ifndef CYGONCE_HAL_PLATFORM_SETUP_H
#define CYGONCE_HAL_PLATFORM_SETUP_H
 
/*=============================================================================
//
//      hal_platform_setup.h
//
//      Platform specific support for HAL (assembly code)
//
//=============================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under    
// the terms of the GNU General Public License as published by the Free     
// Software Foundation; either version 2 or (at your option) any later      
// version.                                                                 
//
// eCos is distributed in the hope that it will be useful, but WITHOUT      
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
//
// You should have received a copy of the GNU General Public License        
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
//
// As a special exception, if other files instantiate templates or use      
// macros or inline functions from this file, or you compile this file      
// and link it with other works to produce a work based on this file,       
// this file does not by itself cause the resulting work to be covered by   
// the GNU General Public License. However the source code for this file    
// must still be made available in accordance with section (3) of the GNU   
// General Public License v2.                                               
//
// This exception does not invalidate any other reasons why a work based    
// on this file might be covered by the GNU General Public License.         
// -------------------------------------------                              
// ####ECOSGPLCOPYRIGHTEND####                                              
//=============================================================================
//#####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,=10f                                ;\
        mov     pc,r0                                  ;\
10:	ldr	r0,=MEM_RESET	/* enable RAM */       ;\
	str	r0,[r0]
 
/*---------------------------------------------------------------------------*/
/* end of hal_platform_setup.h                                               */
#endif /* CYGONCE_HAL_PLATFORM_SETUP_H */
 

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.