blob: ebc765b1f78b5f1f71b9eded7da3f60d2fcf25e1 [file] [log] [blame]
Olivier Deprez157378f2022-04-04 15:47:50 +02001/* SPDX-License-Identifier: GPL-2.0-only */
2
3#ifndef __ASM_CSKY_PCI_H
4#define __ASM_CSKY_PCI_H
5
6#include <linux/types.h>
7#include <linux/slab.h>
8#include <linux/dma-mapping.h>
9
10#include <asm/io.h>
11
12#define PCIBIOS_MIN_IO 0
13#define PCIBIOS_MIN_MEM 0
14
15/* C-SKY shim does not initialize PCI bus */
16#define pcibios_assign_all_busses() 1
17
18extern int isa_dma_bridge_buggy;
19
20#ifdef CONFIG_PCI
21static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
22{
23 /* no legacy IRQ on csky */
24 return -ENODEV;
25}
26
27static inline int pci_proc_domain(struct pci_bus *bus)
28{
29 /* always show the domain in /proc */
30 return 1;
31}
32#endif /* CONFIG_PCI */
33
34#endif /* __ASM_CSKY_PCI_H */