| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /* | |
| * Copyright (C) 2016 SiFive | |
| */ | |
| #ifndef __ASM_RISCV_PCI_H | |
| #define __ASM_RISCV_PCI_H | |
| #include <linux/types.h> | |
| #include <linux/slab.h> | |
| #include <linux/dma-mapping.h> | |
| #include <asm/io.h> | |
| #define PCIBIOS_MIN_IO 0 | |
| #define PCIBIOS_MIN_MEM 0 | |
| /* RISC-V shim does not initialize PCI bus */ | |
| #define pcibios_assign_all_busses() 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 risc-v */ | |
| return -ENODEV; | |
| } | |
| static inline int pci_proc_domain(struct pci_bus *bus) | |
| { | |
| /* always show the domain in /proc */ | |
| return 1; | |
| } | |
| #endif /* CONFIG_PCI */ | |
| #endif /* __ASM_PCI_H */ |