115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
/**************************************************************************
|
|
*
|
|
* BRIEF MODULE DESCRIPTION
|
|
* PCI fixups for IDT EB434 board
|
|
*
|
|
* Copyright 2004 IDT Inc. (rischelp@idt.com)
|
|
*
|
|
* 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.
|
|
*
|
|
*
|
|
**************************************************************************
|
|
* May 2004 rkt, neb
|
|
*
|
|
* Initial Release
|
|
*
|
|
*
|
|
*
|
|
**************************************************************************
|
|
*/
|
|
|
|
#include <linux/autoconf.h>
|
|
#include <linux/types.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <asm/idt-boards/rc32434/rc32434.h>
|
|
#include <asm/idt-boards/rc32434/rc32434_pci.h>
|
|
|
|
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
|
|
{
|
|
|
|
if (dev->bus->number != 0) {
|
|
return 0;
|
|
}
|
|
|
|
slot = PCI_SLOT(dev->devfn);
|
|
dev->irq = 0;
|
|
|
|
if (slot > 0 && slot <= 15) {
|
|
#if 1
|
|
if(slot == 10) {
|
|
if(pin == 1) dev->irq = GROUP4_IRQ_BASE + 9; // intA
|
|
} else if(slot == 11) {
|
|
if(pin == 1) dev->irq = GROUP4_IRQ_BASE + 10; // intA
|
|
if(pin == 2) dev->irq = GROUP4_IRQ_BASE + 10; // intA
|
|
if(pin == 3) dev->irq = GROUP4_IRQ_BASE + 10; // intA
|
|
} else if(slot == 12) {
|
|
if(pin == 1) dev->irq = GROUP4_IRQ_BASE + 11; // intA
|
|
if(pin == 2) dev->irq = GROUP4_IRQ_BASE + 12; // intB
|
|
} else if (slot == 13) {
|
|
if(pin == 1) dev->irq = GROUP4_IRQ_BASE + 12; // intA
|
|
if(pin == 2) dev->irq = GROUP4_IRQ_BASE + 11; // intB
|
|
} else {
|
|
dev->irq = GROUP4_IRQ_BASE + 11;
|
|
}
|
|
#else
|
|
switch (pin) {
|
|
case 1: /* INTA*/
|
|
dev->irq = GROUP4_IRQ_BASE + 11;
|
|
break;
|
|
case 2: /* INTB */
|
|
dev->irq = GROUP4_IRQ_BASE + 11;
|
|
break;
|
|
case 3: /* INTC */
|
|
dev->irq = GROUP4_IRQ_BASE + 11;
|
|
break;
|
|
case 4: /* INTD */
|
|
dev->irq = GROUP4_IRQ_BASE + 11;
|
|
break;
|
|
default:
|
|
dev->irq = 0xff;
|
|
break;
|
|
}
|
|
#endif
|
|
#ifdef DEBUG
|
|
printk("irq fixup: slot %d, pin %d, irq %d\n",
|
|
slot, pin, dev->irq);
|
|
#endif
|
|
pci_write_config_byte(dev, PCI_INTERRUPT_LINE,dev->irq);
|
|
}
|
|
return (dev->irq);
|
|
}
|
|
|
|
struct pci_fixup pcibios_fixups[] = {
|
|
{0}
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|