2 * arch/sh/drivers/pci/pci.c
4 * Copyright (c) 2002 M. R. Brown <mrbrown@linux-sh.org>
5 * Copyright (c) 2004 - 2006 Paul Mundt <lethal@linux-sh.org>
7 * These functions are collected here to reduce duplication of common
8 * code amongst the many platform-specific PCI support code files.
10 * These routines require the following board-specific routines:
11 * void pcibios_fixup_irqs();
13 * See include/asm-sh/pci.h for more information.
15 * This file is subject to the terms and conditions of the GNU General Public
16 * License. See the file "COPYING" in the main directory of this archive
19 #include <linux/kernel.h>
20 #include <linux/pci.h>
21 #include <linux/init.h>
22 #include <linux/dma-debug.h>
25 static int __init pcibios_init(void)
27 struct pci_channel *p;
33 for (p = board_pci_channels; p->init; p++) {
37 pr_err("Unable to init pci channel %d\n", busno);
41 #ifdef CONFIG_PCI_AUTO
42 /* assign resources */
44 for (p = board_pci_channels; p->init; p++)
46 busno = pciauto_assign_resources(busno, p) + 1;
51 for (p = board_pci_channels; p->init; p++) {
53 bus = pci_scan_bus(busno, p->pci_ops, p);
54 busno = bus->subordinate + 1;
58 pci_fixup_irqs(pci_common_swizzle, pcibios_map_platform_irq);
60 dma_debug_add_bus(&pci_bus_type);
64 subsys_initcall(pcibios_init);
67 * Called after each bus is probed, but before its children
70 void __devinit __weak pcibios_fixup_bus(struct pci_bus *bus)
72 pci_read_bridge_bases(bus);
75 EXPORT_SYMBOL(board_pci_channels);