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-rw-r--r--arch/mips/pci/fixup-ite8172g.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-ite8172g.c b/arch/mips/pci/fixup-ite8172g.c
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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}