| /* |
| * 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. |
| * |
| * You can also choose to distribute this program under the terms of |
| * the Unmodified Binary Distribution Licence (as given in the file |
| * COPYING.UBDL), provided that you have satisfied its requirements. |
| */ |
| |
| FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); |
| |
| #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 ) { |
| uint16_t busdevfn = ( pci->busdevfn & 0xffff ); |
| |
| outl ( ( 0x80000000 | ( 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 ); |
| PROVIDE_PCIAPI_INLINE ( direct, pci_ioremap ); |