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/*
* Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program 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 of the
* License, or any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <ipxe/io.h>
#include <ipxe/pci.h>
/** @file
*
* PCI configuration space access via Type 1 accesses
*
*/
/**
* Prepare for Type 1 PCI configuration space access
*
* @v pci PCI device
* @v where Location within PCI configuration space
*/
void pcidirect_prepare ( struct pci_device *pci, int where ) {
outl ( ( 0x80000000 | ( pci->busdevfn << 8 ) | ( where & ~3 ) ),
PCIDIRECT_CONFIG_ADDRESS );
}
PROVIDE_PCIAPI_INLINE ( direct, pci_num_bus );
PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_byte );
PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_word );
PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_dword );
PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_byte );
PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_word );
PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_dword );
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