diff options
Diffstat (limited to 'gpxe/src/interface/efi/efi_pci.c')
-rw-r--r-- | gpxe/src/interface/efi/efi_pci.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/gpxe/src/interface/efi/efi_pci.c b/gpxe/src/interface/efi/efi_pci.c deleted file mode 100644 index ec43391b..00000000 --- a/gpxe/src/interface/efi/efi_pci.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (C) 2008 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <errno.h> -#include <gpxe/pci.h> -#include <gpxe/efi/efi.h> -#include <gpxe/efi/Protocol/PciRootBridgeIo.h> - -/** @file - * - * gPXE PCI I/O API for EFI - * - */ - -/** PCI root bridge I/O protocol */ -static EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *efipci; -EFI_REQUIRE_PROTOCOL ( EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL, &efipci ); - -static unsigned long efipci_address ( struct pci_device *pci, - unsigned long location ) { - return EFI_PCI_ADDRESS ( pci->bus, PCI_SLOT ( pci->devfn ), - PCI_FUNC ( pci->devfn ), - EFIPCI_OFFSET ( location ) ); -} - -int efipci_read ( struct pci_device *pci, unsigned long location, - void *value ) { - EFI_STATUS efirc; - - if ( ( efirc = efipci->Pci.Read ( efipci, EFIPCI_WIDTH ( location ), - efipci_address ( pci, location ), 1, - value ) ) != 0 ) { - DBG ( "EFIPCI config read from %02x:%02x.%x offset %02lx " - "failed: %s\n", pci->bus, PCI_SLOT ( pci->devfn ), - PCI_FUNC ( pci->devfn ), EFIPCI_OFFSET ( location ), - efi_strerror ( efirc ) ); - return -EIO; - } - - return 0; -} - -int efipci_write ( struct pci_device *pci, unsigned long location, - unsigned long value ) { - EFI_STATUS efirc; - - if ( ( efirc = efipci->Pci.Write ( efipci, EFIPCI_WIDTH ( location ), - efipci_address ( pci, location ), 1, - &value ) ) != 0 ) { - DBG ( "EFIPCI config write to %02x:%02x.%x offset %02lx " - "failed: %s\n", pci->bus, PCI_SLOT ( pci->devfn ), - PCI_FUNC ( pci->devfn ), EFIPCI_OFFSET ( location ), - efi_strerror ( efirc ) ); - return -EIO; - } - - return 0; -} - -PROVIDE_PCIAPI_INLINE ( efi, pci_max_bus ); -PROVIDE_PCIAPI_INLINE ( efi, pci_read_config_byte ); -PROVIDE_PCIAPI_INLINE ( efi, pci_read_config_word ); -PROVIDE_PCIAPI_INLINE ( efi, pci_read_config_dword ); -PROVIDE_PCIAPI_INLINE ( efi, pci_write_config_byte ); -PROVIDE_PCIAPI_INLINE ( efi, pci_write_config_word ); -PROVIDE_PCIAPI_INLINE ( efi, pci_write_config_dword ); |