arch/arm64/include/asm/pci.h

   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 */