diff options
Diffstat (limited to 'arch/mips/pci/fixup-ddb5477.c')
-rw-r--r-- | arch/mips/pci/fixup-ddb5477.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-ddb5477.c b/arch/mips/pci/fixup-ddb5477.c new file mode 100644 index 00000000000..6abdc88bab1 --- /dev/null +++ b/arch/mips/pci/fixup-ddb5477.c | |||
@@ -0,0 +1,78 @@ | |||
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 | |||
35 | static 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 | |||
44 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, | ||
45 | ddb5477_fixup); | ||
46 | DECLARE_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 | |||
60 | static 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 | |||
77 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE, | ||
78 | ddb5477_amd_lance_fixup); | ||