| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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); |