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 #include <asm-generic/pci-bridge.h> 11 #include <asm-generic/pci-dma-compat.h> 12 13 #define PCIBIOS_MIN_IO 0x1000 14 #define PCIBIOS_MIN_MEM 0 15 16 /* 17 * Set to 1 if the kernel should re-assign all PCI bus numbers 18 */ 19 #define pcibios_assign_all_busses() \ 20 (pci_has_flag(PCI_REASSIGN_ALL_BUS)) 21 22 /* 23 * PCI address space differs from physical memory address space 24 */ 25 #define PCI_DMA_BUS_IS_PHYS (0) 26 27 extern int isa_dma_bridge_buggy; 28 29 #ifdef CONFIG_PCI 30 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 31 { 32 /* no legacy IRQ on arm64 */ 33 return -ENODEV; 34 } 35 36 static inline int pci_proc_domain(struct pci_bus *bus) 37 { 38 return 1; 39 } 40 #endif /* CONFIG_PCI */ 41 42 #endif /* __KERNEL__ */ 43 #endif /* __ASM_PCI_H */ 44