2 * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 FILE_LICENCE ( GPL2_OR_LATER );
27 * PCI configuration space access via Type 1 accesses
32 * Prepare for Type 1 PCI configuration space access
35 * @v where Location within PCI configuration space
37 void pcidirect_prepare ( struct pci_device *pci, int where ) {
38 outl ( ( 0x80000000 | ( pci->busdevfn << 8 ) | ( where & ~3 ) ),
39 PCIDIRECT_CONFIG_ADDRESS );
42 PROVIDE_PCIAPI_INLINE ( direct, pci_num_bus );
43 PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_byte );
44 PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_word );
45 PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_dword );
46 PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_byte );
47 PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_word );
48 PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_dword );