1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __SPARC_PCI_H
 3#define __SPARC_PCI_H
 4
 5#ifdef __KERNEL__
 6
 7#include <linux/dma-mapping.h>
 8
 9/* Can be used to override the logic in pci_scan_bus for skipping
10 * already-configured bus numbers - to be used for buggy BIOSes
11 * or architectures with incomplete PCI setup by the loader.
12 */
13#define pcibios_assign_all_busses()	0
14
15#define PCIBIOS_MIN_IO		0UL
16#define PCIBIOS_MIN_MEM		0UL
17
18#define PCI_IRQ_NONE		0xffffffff
19
20/* Dynamic DMA mapping stuff.
21 */
22#define PCI_DMA_BUS_IS_PHYS	(0)
23
24#endif /* __KERNEL__ */
25
26#ifndef CONFIG_LEON_PCI
27/* generic pci stuff */
28#include <asm-generic/pci.h>
29#else
30/*
31 * On LEON PCI Memory space is mapped 1:1 with physical address space.
32 *
33 * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses
34 * are converted into CPU addresses to virtual addresses that are mapped with
35 * MMU to the PCI Host PCI I/O space window which are translated to the low
36 * 64Kbytes by the Host controller.
37 */
38
39static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
40{
41	return PCI_IRQ_NONE;
42}
43#endif
44
45#endif /* __SPARC_PCI_H */