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/**************************************************************************
*
* 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}
};
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