tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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#endif /* __KERNEL__ */
21
22#ifndef CONFIG_LEON_PCI
23/* generic pci stuff */
24#include <asm-generic/pci.h>
25#else
26/*
27 * On LEON PCI Memory space is mapped 1:1 with physical address space.
28 *
29 * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses
30 * are converted into CPU addresses to virtual addresses that are mapped with
31 * MMU to the PCI Host PCI I/O space window which are translated to the low
32 * 64Kbytes by the Host controller.
33 */
34
35static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
36{
37 return PCI_IRQ_NONE;
38}
39#endif
40
41#endif /* __SPARC_PCI_H */