1/*
2 *
3 * BRIEF MODULE DESCRIPTION
4 *	EV96100 Board specific pci fixups.
5 *
6 * Copyright 2001 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc.
8 *         	ppopov@mvista.com or source@mvista.com
9 *
10 *  This program is free software; you can redistribute  it and/or modify it
11 *  under  the terms of  the GNU General  Public License as published by the
12 *  Free Software Foundation;  either version 2 of the  License, or (at your
13 *  option) any later version.
14 *
15 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
16 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
17 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
18 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
19 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
21 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
23 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 *  You should have received a copy of the  GNU General Public License along
27 *  with this program; if not, write  to the Free Software Foundation, Inc.,
28 *  675 Mass Ave, Cambridge, MA 02139, USA.
29 */
30#include <linux/config.h>
31
32#ifdef CONFIG_PCI
33
34#include <linux/types.h>
35#include <linux/pci.h>
36#include <linux/kernel.h>
37#include <linux/init.h>
38#include <linux/pci_ids.h>
39
40#include <asm/gt64120.h>
41#include <asm/galileo-boards/ev96100.h>
42
43extern unsigned short get_gt_devid(void);
44
45void __init pcibios_fixup_resources(struct pci_dev *dev)
46{
47}
48
49void __init pcibios_fixup(void)
50{
51}
52
53void __init pcibios_fixup_irqs(void)
54{
55	struct pci_dev *dev;
56	unsigned int slot;
57	u32 vendor;
58	unsigned short gt_devid = get_gt_devid();
59
60	/*
61	** EV96100/A interrupt routing for pci bus 0
62	**
63	** Note: EV96100A board with irq jumper set on 'VxWorks'
64	** for EV96100 compatibility.
65	*/
66
67	pci_for_each_dev(dev) {
68		if (dev->bus->number != 0)
69			return;
70
71		slot = PCI_SLOT(dev->devfn);
72		pci_read_config_dword(dev, PCI_SUBSYSTEM_VENDOR_ID, &vendor);
73
74#ifdef DEBUG
75		printk("devfn %x, slot %d devid %x\n",
76				dev->devfn, slot, gt_devid);
77#endif
78
79		/* fixup irq line based on slot # */
80		if (slot == 8) {
81			dev->irq = 5;
82			pci_write_config_byte(dev, PCI_INTERRUPT_LINE,
83					dev->irq);
84		}
85		else if (slot == 9) {
86			dev->irq = 2;
87			pci_write_config_byte(dev, PCI_INTERRUPT_LINE,
88					dev->irq);
89		}
90	}
91}
92unsigned int pcibios_assign_all_busses(void)
93{
94	return 0;
95}
96#endif
97