1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 *
4 * pbm.h: PCI bus module pseudo driver software state
5 *        Adopted from sparc64 by V. Roganov and G. Raiko
6 *
7 * Original header:
8 * pbm.h: U2P PCI bus module pseudo driver software state.
9 *
10 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
11 *
12 * To put things into perspective, consider sparc64 with a few PCI controllers.
13 * Each type would have an own structure, with instances related one to one.
14 * We have only pcic on sparc, but we want to be compatible with sparc64 pbm.h.
15 * All three represent different abstractions.
16 *   pci_bus  - Linux PCI subsystem view of a PCI bus (including bridged buses)
17 *   pbm      - Arch-specific view of a PCI bus (sparc or sparc64)
18 *   pcic     - Chip-specific information for PCIC.
19 */
20
21#ifndef __SPARC_PBM_H
22#define __SPARC_PBM_H
23
24#include <linux/pci.h>
25#include <asm/oplib.h>
26#include <asm/prom.h>
27
28struct linux_pbm_info {
29	int		prom_node;
30	char		prom_name[64];
31	/* struct linux_prom_pci_ranges	pbm_ranges[PROMREG_MAX]; */
32	/* int		num_pbm_ranges; */
33
34	/* Now things for the actual PCI bus probes. */
35	unsigned int	pci_first_busno;	/* Can it be nonzero? */
36	struct pci_bus	*pci_bus;		/* Was inline, MJ allocs now */
37};
38
39/* PCI devices which are not bridges have this placed in their pci_dev
40 * sysdata member.  This makes OBP aware PCI device drivers easier to
41 * code.
42 */
43struct pcidev_cookie {
44	struct linux_pbm_info		*pbm;
45	struct device_node		*prom_node;
46};
47
48#endif /* !(__SPARC_PBM_H) */
49