arch/arm/include/asm/pci.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef ASMARM_PCI_H
   3 #define ASMARM_PCI_H
   4
   5 #ifdef __KERNEL__
   6 #include <asm/mach/pci.h> /* for pci_sys_data */
   7
   8 extern unsigned long pcibios_min_io;
   9 #define PCIBIOS_MIN_IO pcibios_min_io
  10 extern unsigned long pcibios_min_mem;
  11 #define PCIBIOS_MIN_MEM pcibios_min_mem
  12
  13 static inline int pcibios_assign_all_busses(void)
  14 {
  15         return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
  16 }
  17
  18 #ifdef CONFIG_PCI_DOMAINS
  19 static inline int pci_proc_domain(struct pci_bus *bus)
  20 {
  21         return pci_domain_nr(bus);
  22 }
  23 #endif /* CONFIG_PCI_DOMAINS */
  24
  25 /*
  26  * The PCI address space does equal the physical memory address space.
  27  * The networking and block device layers use this boolean for bounce
  28  * buffer decisions.
  29  */
  30 #define PCI_DMA_BUS_IS_PHYS     (1)
  31
  32 #define HAVE_PCI_MMAP
  33 #define ARCH_GENERIC_PCI_MMAP_RESOURCE
  34
  35 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  36 {
  37         return channel ? 15 : 14;
  38 }
  39
  40 #endif /* __KERNEL__ */
  41 #endif