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5b49c82dad
Add the pci related code for csky arch to support basic pci virtual function, such as qemu virt-pci-9pfs. Signed-off-by: MaJun <majun258@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
35 lines
680 B
C
35 lines
680 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef __ASM_CSKY_PCI_H
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#define __ASM_CSKY_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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/* C-SKY 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 csky */
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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_CSKY_PCI_H */
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