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//=============================================================================
//
//      pci_hw.c
//
//      PCI hardware library
//
//=============================================================================
// ####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.                                                                 
//
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// 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):    jskov, from design by nickg 
// Contributors: jskov
// Date:         1999-08-09
// Purpose:      PCI hardware configuration access
// Description: 
//
//####DESCRIPTIONEND####
//
//=============================================================================
 
#include <pkgconf/hal.h>
#include <cyg/io/pci_hw.h>
 
// CYG_PCI_PRESENT only gets defined for targets that provide PCI HAL support.
// See pci_hw.h for details.
#ifdef CYG_PCI_PRESENT
 
// Init
void 
cyg_pcihw_init(void)
{
    HAL_PCI_INIT();
}
 
// Read functions
void 
cyg_pcihw_read_config_uint8( cyg_uint8 bus, cyg_uint8 devfn, 
                             cyg_uint8 offset, cyg_uint8 *val)
{
    HAL_PCI_CFG_READ_UINT8(bus, devfn, offset, *val);
}
 
void 
cyg_pcihw_read_config_uint16( cyg_uint8 bus, cyg_uint8 devfn, 
                              cyg_uint8 offset, cyg_uint16 *val)
{
    HAL_PCI_CFG_READ_UINT16(bus, devfn, offset, *val);
}
 
void
cyg_pcihw_read_config_uint32( cyg_uint8 bus, cyg_uint8 devfn, 
                              cyg_uint8 offset, cyg_uint32 *val)
{
    HAL_PCI_CFG_READ_UINT32(bus, devfn, offset, *val);
}
 
// Write functions
void 
cyg_pcihw_write_config_uint8( cyg_uint8 bus, cyg_uint8 devfn, 
                             cyg_uint8 offset, cyg_uint8 val)
{
    HAL_PCI_CFG_WRITE_UINT8(bus, devfn, offset, val);
}
 
void 
cyg_pcihw_write_config_uint16( cyg_uint8 bus, cyg_uint8 devfn, 
                              cyg_uint8 offset, cyg_uint16 val)
{
    HAL_PCI_CFG_WRITE_UINT16(bus, devfn, offset, val);
}
 
void
cyg_pcihw_write_config_uint32( cyg_uint8 bus, cyg_uint8 devfn, 
                              cyg_uint8 offset, cyg_uint32 val)
{
    HAL_PCI_CFG_WRITE_UINT32(bus, devfn, offset, val);
}
 
// Interrupt translation
cyg_bool
cyg_pcihw_translate_interrupt( cyg_uint8 bus, cyg_uint8 devfn,
                               CYG_ADDRWORD *vec)
{
    cyg_bool valid;
 
    HAL_PCI_TRANSLATE_INTERRUPT(bus, devfn, *vec, valid);
 
    return valid;
}
 
#endif // ifdef CYG_PCI_PRESENT
 
//-----------------------------------------------------------------------------
// end of pci_hw.c