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/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * linux/include/asm-generic/pci.h
 4 *
 5 *  Copyright (C) 2003 Russell King
 6 */
 7#ifndef _ASM_GENERIC_PCI_H
 8#define _ASM_GENERIC_PCI_H
 9
10#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
11static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
12{
13	return channel ? 15 : 14;
 
14}
15#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
16
17/*
18 * By default, assume that no iommu is in use and that the PCI
19 * space is mapped to address physical 0.
20 */
21#ifndef PCI_DMA_BUS_IS_PHYS
22#define PCI_DMA_BUS_IS_PHYS	(1)
23#endif
24
25#endif /* _ASM_GENERIC_PCI_H */