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
  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 */