linux-sg2042/arch/mips/pci/fixup-ddb5477.c

79 lines
2.6 KiB
C

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