]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - arch/mn10300/unit-asb2305/pci-asb2305.h
Merge branch 'pci/host-dra7xx' into next
[mirror_ubuntu-bionic-kernel.git] / arch / mn10300 / unit-asb2305 / pci-asb2305.h
1 /* ASB2305 Arch-specific PCI declarations
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 * Derived from: arch/i386/kernel/pci-i386.h: (c) 1999 Martin Mares <mj@ucw.cz>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public Licence
9 * as published by the Free Software Foundation; either version
10 * 2 of the Licence, or (at your option) any later version.
11 */
12 #ifndef _PCI_ASB2305_H
13 #define _PCI_ASB2305_H
14
15 #undef DEBUG
16
17 #ifdef DEBUG
18 #define DBG(x...) printk(x)
19 #else
20 #define DBG(x...)
21 #endif
22
23 extern unsigned int pci_probe;
24
25 /* pci-asb2305.c */
26
27 extern void pcibios_resource_survey(void);
28
29 /* pci.c */
30
31 extern struct pci_ops *pci_root_ops;
32
33 /* pci-irq.c */
34
35 struct irq_info {
36 u8 bus, devfn; /* Bus, device and function */
37 struct {
38 u8 link; /* IRQ line ID, chipset dependent,
39 * 0=not routed */
40 u16 bitmap; /* Available IRQs */
41 } __attribute__((packed)) irq[4];
42 u8 slot; /* Slot number, 0=onboard */
43 u8 rfu;
44 } __attribute__((packed));
45
46 struct irq_routing_table {
47 u32 signature; /* PIRQ_SIGNATURE should be here */
48 u16 version; /* PIRQ_VERSION */
49 u16 size; /* Table size in bytes */
50 u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */
51 u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */
52 u16 rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */
53 u32 miniport_data; /* Crap */
54 u8 rfu[11];
55 u8 checksum; /* Modulo 256 checksum must give zero */
56 struct irq_info slots[0];
57 } __attribute__((packed));
58
59 extern unsigned int pcibios_irq_mask;
60
61 extern void pcibios_irq_init(void);
62 extern void pcibios_fixup_irqs(void);
63 extern void pcibios_enable_irq(struct pci_dev *dev);
64
65 #endif /* PCI_ASB2305_H */