diff options
Diffstat (limited to 'src/arch/x86/include')
| -rw-r--r-- | src/arch/x86/include/arch/pci_io_cfg.h | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/src/arch/x86/include/arch/pci_io_cfg.h b/src/arch/x86/include/arch/pci_io_cfg.h index 5e69288f92..4cf8c7c17b 100644 --- a/src/arch/x86/include/arch/pci_io_cfg.h +++ b/src/arch/x86/include/arch/pci_io_cfg.h @@ -7,6 +7,9 @@ #include <arch/io.h> #include <device/pci_type.h> +#define PCI_IO_CONFIG_INDEX 0xcf8 +#define PCI_IO_CONFIG_DATA 0xcfc + static __always_inline uint32_t pci_io_encode_addr(pci_devfn_t dev, uint16_t reg) { @@ -25,48 +28,48 @@ static __always_inline uint8_t pci_io_read_config8(pci_devfn_t dev, uint16_t reg) { uint32_t addr = pci_io_encode_addr(dev, reg); - outl(addr, 0xCF8); - return inb(0xCFC + (reg & 3)); + outl(addr, PCI_IO_CONFIG_INDEX); + return inb(PCI_IO_CONFIG_DATA + (reg & 3)); } static __always_inline uint16_t pci_io_read_config16(pci_devfn_t dev, uint16_t reg) { uint32_t addr = pci_io_encode_addr(dev, reg); - outl(addr, 0xCF8); - return inw(0xCFC + (reg & 2)); + outl(addr, PCI_IO_CONFIG_INDEX); + return inw(PCI_IO_CONFIG_DATA + (reg & 2)); } static __always_inline uint32_t pci_io_read_config32(pci_devfn_t dev, uint16_t reg) { uint32_t addr = pci_io_encode_addr(dev, reg); - outl(addr, 0xCF8); - return inl(0xCFC); + outl(addr, PCI_IO_CONFIG_INDEX); + return inl(PCI_IO_CONFIG_DATA); } static __always_inline void pci_io_write_config8(pci_devfn_t dev, uint16_t reg, uint8_t value) { uint32_t addr = pci_io_encode_addr(dev, reg); - outl(addr, 0xCF8); - outb(value, 0xCFC + (reg & 3)); + outl(addr, PCI_IO_CONFIG_INDEX); + outb(value, PCI_IO_CONFIG_DATA + (reg & 3)); } static __always_inline void pci_io_write_config16(pci_devfn_t dev, uint16_t reg, uint16_t value) { uint32_t addr = pci_io_encode_addr(dev, reg); - outl(addr, 0xCF8); - outw(value, 0xCFC + (reg & 2)); + outl(addr, PCI_IO_CONFIG_INDEX); + outw(value, PCI_IO_CONFIG_DATA + (reg & 2)); } static __always_inline void pci_io_write_config32(pci_devfn_t dev, uint16_t reg, uint32_t value) { uint32_t addr = pci_io_encode_addr(dev, reg); - outl(addr, 0xCF8); - outl(value, 0xCFC); + outl(addr, PCI_IO_CONFIG_INDEX); + outl(value, PCI_IO_CONFIG_DATA); } #if !CONFIG(ECAM_MMCONF_SUPPORT) |