mirror of https://gitee.com/openkylin/linux.git
38 lines
719 B
C
38 lines
719 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2016 SiFive
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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_RISCV_PCI_H */
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