diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2008-08-07 19:09:17 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2008-08-07 19:09:17 +0000 |
| commit | 88ad6b0f919bcb3b86e0a91c903be26934097125 (patch) | |
| tree | e07d2c8389c5e3d7881aad0088c95fccebe0f8e4 /payloads/libpayload/include/pci.h | |
| parent | 85c7aec73ea37136a158fd7fd98249ddedaffba5 (diff) | |
| download | coreboot-88ad6b0f919bcb3b86e0a91c903be26934097125.tar.xz | |
Add a full set of pci access functions.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jordan Crouse <jordan.crouse@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3479 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads/libpayload/include/pci.h')
| -rw-r--r-- | payloads/libpayload/include/pci.h | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/payloads/libpayload/include/pci.h b/payloads/libpayload/include/pci.h index df88e098ab..bcc333ce9e 100644 --- a/payloads/libpayload/include/pci.h +++ b/payloads/libpayload/include/pci.h @@ -2,6 +2,7 @@ * 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 @@ -30,7 +31,8 @@ #ifndef _PCI_H #define _PCI_H -typedef unsigned short pcidev_t; +#include <arch/types.h> +typedef u32 pcidev_t; #define REG_VENDOR_ID 0x00 #define REG_DEVICE_ID 0x04 @@ -41,21 +43,24 @@ typedef unsigned short pcidev_t; #define HEADER_TYPE_BRIDGE 1 #define HEADER_TYPE_CARDBUS 2 -#define PCIDEV(_b, _d) ((((_b) & 0xFF) << 8) | ((_d) & 0xFF)) +#define PCI_ADDR(_bus, _dev, _fn, _reg) \ +(0x80000000 | (_bus << 16) | (_dev << 11) | (_fn << 8) | (_reg & ~3)) -#define PCIDEV_BUS(_d) (((_d) >> 8) & 0xFF) -#define PCIDEV_DEVFN(_d) ((_d) & 0xFF) +#define PCI_DEV(_bus, _dev, _fn) \ +(0x80000000 | (_bus << 16) | (_dev << 11) | (_fn << 8)) -#define PCI_ADDR(_bus, _dev, _reg) \ -(0x80000000 | (_bus << 16) | (_dev << 8) | (_reg & ~3)) +#define PCI_SLOT(_d) ((_d >> 11) & 0x1f) +#define PCI_FUNC(_d) ((_d >> 8) & 0x7) -void pci_read_dword(unsigned int bus, unsigned int devfn, - unsigned int reg, unsigned int *val); +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_read_byte(unsigned int bus, unsigned int devfn, - unsigned int reg, unsigned char *val); +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(unsigned short vid, unsigned short did, pcidev_t *dev); -unsigned int pci_read_resource(pcidev_t dev, int bar); +int pci_find_device(u16 vid, u16 did, pcidev_t *dev); +u32 pci_read_resource(pcidev_t dev, int bar); #endif |