1/* 2 * 3 * BRIEF MODULE DESCRIPTION 4 * EV96100 Board specific pci fixups. 5 * 6 * Copyright 2001 MontaVista Software Inc. 7 * Author: MontaVista Software, Inc. 8 * ppopov@mvista.com or source@mvista.com 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the 12 * Free Software Foundation; either version 2 of the License, or (at your 13 * option) any later version. 14 * 15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 18 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 21 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 22 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * You should have received a copy of the GNU General Public License along 27 * with this program; if not, write to the Free Software Foundation, Inc., 28 * 675 Mass Ave, Cambridge, MA 02139, USA. 29 */ 30#include <linux/config.h> 31 32#ifdef CONFIG_PCI 33 34#include <linux/types.h> 35#include <linux/pci.h> 36#include <linux/kernel.h> 37#include <linux/init.h> 38#include <linux/pci_ids.h> 39 40#include <asm/gt64120.h> 41#include <asm/galileo-boards/ev96100.h> 42 43extern unsigned short get_gt_devid(void); 44 45void __init pcibios_fixup_resources(struct pci_dev *dev) 46{ 47} 48 49void __init pcibios_fixup(void) 50{ 51} 52 53void __init pcibios_fixup_irqs(void) 54{ 55 struct pci_dev *dev; 56 unsigned int slot; 57 u32 vendor; 58 unsigned short gt_devid = get_gt_devid(); 59 60 /* 61 ** EV96100/A interrupt routing for pci bus 0 62 ** 63 ** Note: EV96100A board with irq jumper set on 'VxWorks' 64 ** for EV96100 compatibility. 65 */ 66 67 pci_for_each_dev(dev) { 68 if (dev->bus->number != 0) 69 return; 70 71 slot = PCI_SLOT(dev->devfn); 72 pci_read_config_dword(dev, PCI_SUBSYSTEM_VENDOR_ID, &vendor); 73 74#ifdef DEBUG 75 printk("devfn %x, slot %d devid %x\n", 76 dev->devfn, slot, gt_devid); 77#endif 78 79 /* fixup irq line based on slot # */ 80 if (slot == 8) { 81 dev->irq = 5; 82 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 83 dev->irq); 84 } 85 else if (slot == 9) { 86 dev->irq = 2; 87 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 88 dev->irq); 89 } 90 } 91} 92unsigned int pcibios_assign_all_busses(void) 93{ 94 return 0; 95} 96#endif 97