/* * Copyright (C) 2016 SiFive * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, version 2. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #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 */