| #ifndef _PCI_H |
| #define _PCI_H |
| |
| #include "ioport.h" |
| |
| static inline void pci_config_writel(uint16_t bdf, uint32_t addr, uint32_t val) |
| { |
| outl(0xcf8, 0x80000000 | (bdf << 8) | (addr & 0xfc)); |
| outl(0xcfc, val); |
| } |
| |
| void pci_config_writew(uint16_t bdf, uint32_t addr, uint16_t val) |
| { |
| outl(0xcf8, 0x80000000 | (bdf << 8) | (addr & 0xfc)); |
| outw(0xcfc | (addr & 2), val); |
| } |
| |
| void pci_config_writeb(uint16_t bdf, uint32_t addr, uint8_t val) |
| { |
| outl(0xcf8, 0x80000000 | (bdf << 8) | (addr & 0xfc)); |
| outb(0xcfc | (addr & 3), val); |
| } |
| |
| uint32_t pci_config_readl(uint16_t bdf, uint32_t addr) |
| { |
| outl(0xcf8, 0x80000000 | (bdf << 8) | (addr & 0xfc)); |
| return inl(0xcfc); |
| } |
| |
| uint16_t pci_config_readw(uint16_t bdf, uint32_t addr) |
| { |
| outl(0xcf8, 0x80000000 | (bdf << 8) | (addr & 0xfc)); |
| return inw(0xcfc | (addr & 2)); |
| } |
| |
| uint8_t pci_config_readb(uint16_t bdf, uint32_t addr) |
| { |
| outl(0xcf8, 0x80000000 | (bdf << 8) | (addr & 0xfc)); |
| return inb(0xcfc | (addr & 3)); |
| } |
| |
| #define PCI_VENDOR_ID 0 |
| |
| #endif |