diff options
Diffstat (limited to 'arch/mips/sni/pci.c')
| -rw-r--r-- | arch/mips/sni/pci.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/arch/mips/sni/pci.c b/arch/mips/sni/pci.c index fe538d277..0da6b8004 100644 --- a/arch/mips/sni/pci.c +++ b/arch/mips/sni/pci.c @@ -1,4 +1,4 @@ -/* $Id: pci.c,v 1.5 1998/05/07 02:57:22 ralf Exp $ +/* $Id: pci.c,v 1.6 1998/05/07 23:44:02 ralf Exp $ * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -9,6 +9,7 @@ * Copyright (C) 1997, 1998 Ralf Baechle */ #include <linux/config.h> +#include <linux/kernel.h> #include <linux/pci.h> #include <linux/types.h> #include <asm/byteorder.h> @@ -28,13 +29,37 @@ do { \ static void sni_rm200_pcibios_fixup (void) { - /* - * TODO: Fix PCI_INTERRUPT_LINE register for onboard cards. - * Take care of RM300 revision D boards for where the network - * slot became an ordinary PCI slot. - */ - pcibios_write_config_byte(0, PCI_DEVFN(1, 0), PCI_INTERRUPT_LINE, - PCIMT_IRQ_SCSI); + struct pci_dev *dev; + + for (dev=pci_devices; dev; dev=dev->next) { + /* + * TODO: Take care of RM300 revision D boards for where the + * network slot became an ordinary PCI slot. + */ + if (dev->devfn == PCI_DEVFN(1, 0)) { + /* Evil hack ... */ + set_cp0_config(CONF_CM_CMASK, CONF_CM_CACHABLE_NO_WA); + dev->irq = PCIMT_IRQ_SCSI; + continue; + } + if (dev->devfn == PCI_DEVFN(2, 0)) { + dev->irq = PCIMT_IRQ_ETHERNET; + continue; + } + + switch(dev->irq) { + case 1 ... 4: + dev->irq += PCIMT_IRQ_INTA - 1; + break; + case 0: + break; + default: + printk("PCI device on bus %d, dev %d, function %d " + "impossible interrupt configured.\n", + dev->bus->number, PCI_SLOT(dev->devfn), + PCI_SLOT(dev->devfn)); + } + } } /* |