patch-2.4.25 linux-2.4.25/arch/mips/pmc-sierra/yosemite/pci-irq.c

• Lines: 66
• Date: 2004-02-18 05:36:30.000000000 -0800
• Orig file: linux-2.4.24/arch/mips/pmc-sierra/yosemite/pci-irq.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.24/arch/mips/pmc-sierra/yosemite/pci-irq.c linux-2.4.25/arch/mips/pmc-sierra/yosemite/pci-irq.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2003 PMC-Sierra
+ * Author: Manish Lachwani (lachwani@pmc-sierra.com)
+ *
+ * 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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <asm/pci.h>
+
+/*
+ * PCI Bus fixup for the Titan
+ * XXX IRQ values need to change based on the board layout
+ */
+void __init titan_pcibios_fixup_bus(struct pci_bus *bus)
+{
+        struct pci_bus *current_bus = bus;
+        struct pci_dev *devices;
+        struct list_head *devices_link;
+
+	list_for_each(devices_link, &(current_bus->devices)) {
+                devices = pci_dev_b(devices_link);
+                if (devices == NULL)
+                        continue;
+
+                if ((current_bus->number == 0) &&
+                        (PCI_SLOT(devices->devfn) == 1)) {
+                        /* PCI-X A */
+                        devices->irq = 3;
+                } else if ((current_bus->number == 0) &&
+                        (PCI_SLOT(devices->devfn) == 2)) {
+                        /* PCI-X B */
+                        devices->irq = 4;
+                } else if ((current_bus->number == 1) &&
+                        (PCI_SLOT(devices->devfn) == 1)) {
+                        /* PCI A */
+                        devices->irq = 5;
+                } else if ((current_bus->number == 1) &&
+                        (PCI_SLOT(devices->devfn) == 2)) {
+                        /* PCI B */
+                        devices->irq = 6;
+                }
+	}
+}