1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_PCI_H
3 #define __ASM_PCI_H
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 #define arch_can_pci_mmap_wc() 1
21 #define ARCH_GENERIC_PCI_MMAP_RESOURCE	1
22 
23 extern int isa_dma_bridge_buggy;
24 
25 #ifdef CONFIG_PCI
pci_get_legacy_ide_irq(struct pci_dev * dev,int channel)26 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
27 {
28 	/* no legacy IRQ on arm64 */
29 	return -ENODEV;
30 }
31 
pci_proc_domain(struct pci_bus * bus)32 static inline int pci_proc_domain(struct pci_bus *bus)
33 {
34 	return 1;
35 }
36 #endif  /* CONFIG_PCI */
37 
38 #endif  /* __ASM_PCI_H */
39