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/arch/mips/pci/fixup-ite8172g.c

https://bitbucket.org/evzijst/gittest
C | 80 lines | 37 code | 7 blank | 36 comment | 2 complexity | fda181a77c6c403e577097a0a89e0619 MD5 | raw file
 1/*
 2 * BRIEF MODULE DESCRIPTION
 3 *	Board specific pci fixups.
 4 *
 5 * Copyright 2000 MontaVista Software Inc.
 6 * Author: MontaVista Software, Inc.
 7 *         	ppopov@mvista.com or source@mvista.com
 8 *
 9 *  This program is free software; you can redistribute  it and/or modify it
10 *  under  the terms of  the GNU General  Public License as published by the
11 *  Free Software Foundation;  either version 2 of the  License, or (at your
12 *  option) any later version.
13 *
14 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
15 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
16 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
17 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
18 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
20 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
22 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 *  You should have received a copy of the  GNU General Public License along
26 *  with this program; if not, write  to the Free Software Foundation, Inc.,
27 *  675 Mass Ave, Cambridge, MA 02139, USA.
28 */
29#include <linux/types.h>
30#include <linux/pci.h>
31#include <linux/kernel.h>
32#include <linux/init.h>
33
34#include <asm/it8172/it8172.h>
35#include <asm/it8172/it8172_pci.h>
36#include <asm/it8172/it8172_int.h>
37
38/*
39 * Shortcuts
40 */
41#define INTA	IT8172_PCI_INTA_IRQ
42#define INTB	IT8172_PCI_INTB_IRQ
43#define INTC	IT8172_PCI_INTC_IRQ
44#define INTD	IT8172_PCI_INTD_IRQ
45
46static const int internal_func_irqs[7] __initdata = {
47	IT8172_AC97_IRQ,
48	IT8172_DMA_IRQ,
49	IT8172_CDMA_IRQ,
50	IT8172_USB_IRQ,
51	IT8172_BRIDGE_MASTER_IRQ,
52	IT8172_IDE_IRQ,
53	IT8172_MC68K_IRQ
54};
55
56static char irq_tab_ite8172g[][5] __initdata = {
57 [0x10] = {	0, INTA, INTB, INTC, INTD },
58 [0x11] = {	0, INTA, INTB, INTC, INTD },
59 [0x12] = {	0, INTB, INTC, INTD, INTA },
60 [0x13] = {	0, INTC, INTD, INTA, INTB },
61 [0x14] = {	0, INTD, INTA, INTB, INTC },
62};
63
64int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
65{
66	/*
67	 * Internal device 1 is actually 7 different internal devices on the
68	 * IT8172G (a multifunction device).
69	 */
70	if (slot == 1)
71		return internal_func_irqs[PCI_FUNC(dev->devfn)];
72
73	return irq_tab_ite8172g[slot][pin];
74}
75
76/* Do platform specific device initialization at pci_enable_device() time */
77int pcibios_plat_dev_init(struct pci_dev *dev)
78{
79	return 0;
80}