| /* |
| * This file is part of the libpayload project. |
| * |
| * Copyright (C) 2008 Advanced Micro Devices, Inc. |
| * Copyright (C) 2008 coresystems GmbH |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef _PCI_H |
| #define _PCI_H |
| |
| #include <arch/types.h> |
| typedef u32 pcidev_t; |
| |
| #define REG_VENDOR_ID 0x00 |
| #define REG_DEVICE_ID 0x04 |
| #define REG_HEADER_TYPE 0x0E |
| #define REG_PRIMARY_BUS 0x18 |
| |
| #define HEADER_TYPE_NORMAL 0 |
| #define HEADER_TYPE_BRIDGE 1 |
| #define HEADER_TYPE_CARDBUS 2 |
| |
| #define PCI_ADDR(_bus, _dev, _fn, _reg) \ |
| (0x80000000 | (_bus << 16) | (_dev << 11) | (_fn << 8) | (_reg & ~3)) |
| |
| #define PCI_DEV(_bus, _dev, _fn) \ |
| (0x80000000 | (_bus << 16) | (_dev << 11) | (_fn << 8)) |
| |
| #define PCI_SLOT(_d) ((_d >> 11) & 0x1f) |
| #define PCI_FUNC(_d) ((_d >> 8) & 0x7) |
| |
| u8 pci_read_config8(u32 device, u16 reg); |
| u16 pci_read_config16(u32 device, u16 reg); |
| u32 pci_read_config32(u32 device, u16 reg); |
| |
| void pci_write_config8(u32 device, u16 reg, u8 val); |
| void pci_write_config16(u32 device, u16 reg, u16 val); |
| void pci_write_config32(u32 device, u16 reg, u32 val); |
| |
| int pci_find_device(u16 vid, u16 did, pcidev_t *dev); |
| u32 pci_read_resource(pcidev_t dev, int bar); |
| |
| #endif |