/*
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* Copyright (C) 2016 SiFive
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __ASM_RISCV_PCI_H
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#define __ASM_RISCV_PCI_H
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/dma-mapping.h>
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#include <asm/io.h>
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#define PCIBIOS_MIN_IO 0
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#define PCIBIOS_MIN_MEM 0
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/* RISC-V shim does not initialize PCI bus */
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#define pcibios_assign_all_busses() 1
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extern int isa_dma_bridge_buggy;
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#ifdef CONFIG_PCI
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static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
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{
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/* no legacy IRQ on risc-v */
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return -ENODEV;
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}
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static inline int pci_proc_domain(struct pci_bus *bus)
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{
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/* always show the domain in /proc */
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return 1;
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}
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#endif /* CONFIG_PCI */
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#endif /* __ASM_PCI_H */
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