view packages/hal/powerpc/viper/current/src/hal_aux.c @ 3292:7f8e529b4d82 default tip

Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
line wrap: on
line source

//=============================================================================
//
//      hal_aux.c
//
//      HAL auxiliary objects and code; per platform
//
//=============================================================================
// ####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):   hmt
// Contributors:hmt
// Date:        1999-06-08
// Purpose:     HAL aux objects: startup tables.
// Description: Tables for per-platform initialization
//
//####DESCRIPTIONEND####
//
//=============================================================================

#include <pkgconf/hal.h>
#include <pkgconf/hal_powerpc_quicc.h>

#include <cyg/infra/cyg_type.h>
#include <cyg/hal/hal_mem.h>            // HAL memory definitions
#include <cyg/hal/quicc/ppc8xx.h>
#include <cyg/hal/hal_if.h>             // hal_if_init
#include CYGHWR_MEMORY_LAYOUT_H

// The memory map is weakly defined, allowing the application to redefine
// it if necessary. The regions defined below are the minimum requirements.
CYGARC_MEMDESC_TABLE CYGBLD_ATTRIB_WEAK = {
    // Mapping for the Viper 855/860 development boards
    CYGARC_MEMDESC_CACHE(   0xfe000000, 0x00800000 ), // ROM region
    CYGARC_MEMDESC_NOCACHE( 0xff000000, 0x00100000 ), // MCP registers
    CYGARC_MEMDESC_NOCACHE( 0xfa000000, 0x00400000 ), // Control/Status+LEDs
    CYGARC_MEMDESC_CACHE(   CYGMEM_REGION_ram, CYGMEM_REGION_ram_SIZE ), // Main memory

    CYGARC_MEMDESC_TABLE_END
};

//--------------------------------------------------------------------------
// Platform init code.
void
hal_platform_init(void)
{
    volatile EPPC *eppc = (volatile EPPC *)eppc_base();

    eppc->pip_pbpar &= ~0x00004000;   // PB17 AS GPIO
    eppc->pip_pbdir |=  0x00004000;

    hal_if_init();
}

// EOF hal_aux.c