1 #ifndef _ASM_GENERIC_PCI_HOST_BRIDGE_H_ 2 #define _ASM_GENERIC_PCI_HOST_BRIDGE_H_ 3 /* 4 * Copyright (C) 2016, Red Hat Inc, Alexander Gordeev <agordeev@redhat.com> 5 * 6 * This work is licensed under the terms of the GNU LGPL, version 2. 7 */ 8 #include "libcflat.h" 9 10 phys_addr_t pci_host_bridge_get_paddr(uint64_t addr); 11 12 static inline 13 phys_addr_t pci_translate_addr(pcidevaddr_t dev __unused, uint64_t addr) 14 { 15 /* 16 * Assume we only have single PCI host bridge in a system. 17 */ 18 return pci_host_bridge_get_paddr(addr); 19 } 20 21 uint8_t pci_config_readb(pcidevaddr_t dev, uint8_t reg); 22 uint16_t pci_config_readw(pcidevaddr_t dev, uint8_t reg); 23 uint32_t pci_config_readl(pcidevaddr_t dev, uint8_t reg); 24 void pci_config_writeb(pcidevaddr_t dev, uint8_t reg, uint8_t val); 25 void pci_config_writew(pcidevaddr_t dev, uint8_t reg, uint16_t val); 26 void pci_config_writel(pcidevaddr_t dev, uint8_t reg, uint32_t val); 27 28 #endif 29