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100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/*
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* $Id$
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*
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* ADM5120 specific PCI fixups
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*
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* Copyright (C) ADMtek Incorporated.
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* Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
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* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
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* Copyright (C) 2007 OpenWrt.org
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include <linux/autoconf.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/pci_ids.h>
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#include <linux/pci_regs.h>
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#include <asm/delay.h>
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#include <asm/bootinfo.h>
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#include <asm/mach-adm5120/adm5120_info.h>
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#include <asm/mach-adm5120/adm5120_defs.h>
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#include <asm/mach-adm5120/adm5120_irq.h>
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static void adm5120_pci_fixup(struct pci_dev *dev)
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{
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if (dev->devfn !=0)
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return;
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/* setup COMMAND register */
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pci_write_config_word(dev, PCI_COMMAND,
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(PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER));
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/* setup CACHE_LINE_SIZE register */
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pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4);
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/* setting up BARS */
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pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0);
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pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0);
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}
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ADMTEK, PCI_DEVICE_ID_ADMTEK_ADM5120,
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adm5120_pci_fixup);
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int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
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{
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int irq;
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irq = -1;
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#if 1
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/* FIXME: this code should be working on all boards? */
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if (slot > 0 && slot < 4)
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irq = ADM5120_IRQ_PCI0+slot-1;
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#else
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switch (mips_machtype) {
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case MACH_ADM5120_RB_111:
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case MACH_ADM5120_RB_112:
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case MACH_ADM5120_RB_133:
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case MACH_ADM5120_RB_133C:
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case MACH_ADM5120_RB_153:
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if (slot > 0 && slot < 4)
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irq = ADM5120_IRQ_PCI0+slot-1;
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break;
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default:
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if (slot > 1 && slot < 5)
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irq = ADM5120_IRQ_PCI0+slot-2;
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break;
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}
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#endif
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printk(KERN_INFO "PCI: mapping irq for device %s, slot:%u, pin:%u, "
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"irq:%d\n", pci_name(dev), slot, pin, irq);
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return irq;
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}
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int pcibios_plat_dev_init(struct pci_dev *dev)
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{
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return 0;
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}
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