79 строки
2.6 KiB
C
79 строки
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);
|