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1/* SPDX-License-Identifier: GPL-2.0-only */
2
3#ifndef __ASM_GENERIC_PCI_H
4#define __ASM_GENERIC_PCI_H
5
6#ifndef PCIBIOS_MIN_IO
7#define PCIBIOS_MIN_IO 0
8#endif
9
10#ifndef PCIBIOS_MIN_MEM
11#define PCIBIOS_MIN_MEM 0
12#endif
13
14#ifndef pcibios_assign_all_busses
15/* For bootloaders that do not initialize the PCI bus */
16#define pcibios_assign_all_busses() 1
17#endif
18
19/* Enable generic resource mapping code in drivers/pci/ */
20#define ARCH_GENERIC_PCI_MMAP_RESOURCE
21
22#ifdef CONFIG_PCI_DOMAINS
23static inline int pci_proc_domain(struct pci_bus *bus)
24{
25 /* always show the domain in /proc */
26 return 1;
27}
28#endif /* CONFIG_PCI_DOMAINS */
29
30#endif /* __ASM_GENERIC_PCI_H */
1/*
2 * linux/include/asm-generic/pci.h
3 *
4 * Copyright (C) 2003 Russell King
5 */
6#ifndef _ASM_GENERIC_PCI_H
7#define _ASM_GENERIC_PCI_H
8
9#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
10static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
11{
12 return channel ? 15 : 14;
13}
14#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
15
16/*
17 * By default, assume that no iommu is in use and that the PCI
18 * space is mapped to address physical 0.
19 */
20#ifndef PCI_DMA_BUS_IS_PHYS
21#define PCI_DMA_BUS_IS_PHYS (1)
22#endif
23
24#endif /* _ASM_GENERIC_PCI_H */