1 #ifndef __ASM_PCI_H 2 #define __ASM_PCI_H 3 #ifdef __KERNEL__ 4 5 #include <linux/types.h> 6 #include <linux/slab.h> 7 #include <linux/dma-mapping.h> 8 9 #include <asm/io.h> 10 11 #define PCIBIOS_MIN_IO 0x1000 12 #define PCIBIOS_MIN_MEM 0 13 14 /* 15 * Set to 1 if the kernel should re-assign all PCI bus numbers 16 */ 17 #define pcibios_assign_all_busses() \ 18 (pci_has_flag(PCI_REASSIGN_ALL_BUS)) 19 20 /* 21 * PCI address space differs from physical memory address space 22 */ 23 #define PCI_DMA_BUS_IS_PHYS (0) 24 25 extern int isa_dma_bridge_buggy; 26 27 #ifdef CONFIG_PCI 28 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 29 { 30 /* no legacy IRQ on arm64 */ 31 return -ENODEV; 32 } 33 34 static inline int pci_proc_domain(struct pci_bus *bus) 35 { 36 return 1; 37 } 38 #endif /* CONFIG_PCI */ 39 40 #endif /* __KERNEL__ */ 41 #endif /* __ASM_PCI_H */ 42