mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 00:11:13 +00:00
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* 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;
|
|
|
|
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 = slot + 5;
|
|
break;
|
|
default:
|
|
if (slot > 1 && slot < 5)
|
|
irq = ADM5120_IRQ_PCI0+slot-1;
|
|
break;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|