79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/*
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*
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* BRIEF MODULE DESCRIPTION
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* Board specific pci fixups.
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*
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* Copyright 2001, 2002, 2003 MontaVista Software Inc.
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* Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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static void ddb5477_fixup(struct pci_dev *dev)
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{
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u8 old;
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printk(KERN_NOTICE "Enabling ALI M1533/35 PS2 keyboard/mouse.\n");
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pci_read_config_byte(dev, 0x41, &old);
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pci_write_config_byte(dev, 0x41, old | 0xd0);
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}
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
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ddb5477_fixup);
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1535,
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ddb5477_fixup);
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/*
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* Fixup baseboard AMD chip so that tx does not underflow.
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* bcr_18 |= 0x0800
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* This sets NOUFLO bit which makes tx not start until whole pkt
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* is fetched to the chip.
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*/
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#define PCNET32_WIO_RDP 0x10
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#define PCNET32_WIO_RAP 0x12
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#define PCNET32_WIO_RESET 0x14
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#define PCNET32_WIO_BDP 0x16
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static void ddb5477_amd_lance_fixup(struct pci_dev *dev)
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{
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unsigned long ioaddr;
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u16 temp;
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ioaddr = pci_resource_start(dev, 0);
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inw(ioaddr + PCNET32_WIO_RESET); /* reset chip */
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/* bcr_18 |= 0x0800 */
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outw(18, ioaddr + PCNET32_WIO_RAP);
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temp = inw(ioaddr + PCNET32_WIO_BDP);
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temp |= 0x0800;
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outw(18, ioaddr + PCNET32_WIO_RAP);
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outw(temp, ioaddr + PCNET32_WIO_BDP);
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}
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE,
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ddb5477_amd_lance_fixup);
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