diff options
Diffstat (limited to 'arch/arm64/include/asm/pci.h')
-rw-r--r-- | arch/arm64/include/asm/pci.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/pci.h b/arch/arm64/include/asm/pci.h new file mode 100644 index 000000000..b33ca260e --- /dev/null +++ b/arch/arm64/include/asm/pci.h @@ -0,0 +1,38 @@ +/* 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 */ |