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/*
* $Id$
*
* ADM5120 specific PCI fixups
*
* Copyright (C) ADMtek Incorporated.
* Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
* Copyright (C) 2007 OpenWrt.org
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include <linux/autoconf.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/pci_ids.h>
#include <linux/pci_regs.h>
#include <asm/delay.h>
#include <asm/bootinfo.h>
#include <asm/mach-adm5120/adm5120_info.h>
#include <asm/mach-adm5120/adm5120_defs.h>
#include <asm/mach-adm5120/adm5120_irq.h>
static void adm5120_pci_fixup(struct pci_dev *dev)
{
if (dev->devfn !=0)
return;
/* setup COMMAND register */
pci_write_config_word(dev, PCI_COMMAND,
(PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER));
/* setup CACHE_LINE_SIZE register */
pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4);
/* setting up BARS */
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0);
pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0);
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ADMTEK, PCI_DEVICE_ID_ADMTEK_ADM5120,
adm5120_pci_fixup);
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
int irq;
irq = -1;
#if 1
/* FIXME: this code should be working on all boards? */
if (slot > 0 && slot < 4)
irq = ADM5120_IRQ_PCI0+slot-1;
#else
switch (mips_machtype) {
case MACH_ADM5120_RB_111:
case MACH_ADM5120_RB_112:
case MACH_ADM5120_RB_133:
case MACH_ADM5120_RB_133C:
case MACH_ADM5120_RB_153:
if (slot > 0 && slot < 4)
irq = ADM5120_IRQ_PCI0+slot-1;
break;
default:
if (slot > 1 && slot < 5)
irq = ADM5120_IRQ_PCI0+slot-2;
break;
}
#endif
printk(KERN_INFO "PCI: mapping irq for device %s, slot:%u, pin:%u, "
"irq:%d\n", pci_name(dev), slot, pin, irq);
return irq;
}
int pcibios_plat_dev_init(struct pci_dev *dev)
{
return 0;
}
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