kernel/arch/arm64/include/asm/pci.h
2024-07-22 17:22:30 +08:00

39 lines
764 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_PCI_H
#define __ASM_PCI_H
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <asm/io.h>
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM 0
/*
* Set to 1 if the kernel should re-assign all PCI bus numbers
*/
#define pcibios_assign_all_busses() \
(pci_has_flag(PCI_REASSIGN_ALL_BUS))
#define arch_can_pci_mmap_wc() 1
#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
extern int isa_dma_bridge_buggy;
#ifdef CONFIG_PCI
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
/* no legacy IRQ on arm64 */
return -ENODEV;
}
static inline int pci_proc_domain(struct pci_bus *bus)
{
return 1;
}
#endif /* CONFIG_PCI */
#endif /* __ASM_PCI_H */