1/*
2 *
3 * BRIEF MODULE DESCRIPTION
4 *	Board specific pci fixups.
5 *
6 * Copyright 2001, 2002, 2003 MontaVista Software Inc.
7 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
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
30#include <linux/types.h>
31#include <linux/pci.h>
32#include <linux/kernel.h>
33#include <linux/init.h>
34
35static void ddb5477_fixup(struct pci_dev *dev)
36{
37	u8 old;
38
39	printk(KERN_NOTICE "Enabling ALI M1533/35 PS2 keyboard/mouse.\n");
40	pci_read_config_byte(dev, 0x41, &old);
41	pci_write_config_byte(dev, 0x41, old | 0xd0);
42}
43
44DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
45	  ddb5477_fixup);
46DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1535,
47	  ddb5477_fixup);
48
49/*
50 * Fixup baseboard AMD chip so that tx does not underflow.
51 *      bcr_18 |= 0x0800
52 * This sets NOUFLO bit which makes tx not start until whole pkt
53 * is fetched to the chip.
54 */
55#define PCNET32_WIO_RDP		0x10
56#define PCNET32_WIO_RAP		0x12
57#define PCNET32_WIO_RESET	0x14
58#define PCNET32_WIO_BDP		0x16
59
60static void ddb5477_amd_lance_fixup(struct pci_dev *dev)
61{
62	unsigned long ioaddr;
63	u16 temp;
64
65	ioaddr = pci_resource_start(dev, 0);
66
67	inw(ioaddr + PCNET32_WIO_RESET);	/* reset chip */
68
69	/* bcr_18 |= 0x0800 */
70	outw(18, ioaddr + PCNET32_WIO_RAP);
71	temp = inw(ioaddr + PCNET32_WIO_BDP);
72	temp |= 0x0800;
73	outw(18, ioaddr + PCNET32_WIO_RAP);
74	outw(temp, ioaddr + PCNET32_WIO_BDP);
75}
76
77DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE,
78	  ddb5477_amd_lance_fixup);
79