patch-2.4.19 linux-2.4.19/arch/mips/galileo-boards/ev96100/pci_fixups.c

• Lines: 97
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/mips/galileo-boards/ev96100/pci_fixups.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/mips/galileo-boards/ev96100/pci_fixups.c linux-2.4.19/arch/mips/galileo-boards/ev96100/pci_fixups.c
@@ -0,0 +1,96 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	EV96100 Board specific pci fixups.
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or source@mvista.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/config.h>
+
+#ifdef CONFIG_PCI
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci_ids.h>
+
+#include <asm/gt64120.h>
+#include <asm/galileo-boards/ev96100.h>
+
+extern unsigned short get_gt_devid(void);
+
+void __init pcibios_fixup_resources(struct pci_dev *dev)
+{
+}
+
+void __init pcibios_fixup(void)
+{
+}
+
+void __init pcibios_fixup_irqs(void)
+{
+	struct pci_dev *dev;
+	unsigned int slot;
+	u32 vendor;
+	unsigned short gt_devid = get_gt_devid();
+
+	/*
+	** EV96100/A interrupt routing for pci bus 0
+	**
+	** Note: EV96100A board with irq jumper set on 'VxWorks'
+	** for EV96100 compatibility.
+	*/
+
+	pci_for_each_dev(dev) {
+		if (dev->bus->number != 0)
+			return;
+
+		slot = PCI_SLOT(dev->devfn);
+		pci_read_config_dword(dev, PCI_SUBSYSTEM_VENDOR_ID, &vendor);
+
+#ifdef DEBUG
+		printk("devfn %x, slot %d devid %x\n", 
+				dev->devfn, slot, gt_devid);
+#endif
+
+		/* fixup irq line based on slot # */
+		if (slot == 8) {
+			dev->irq = 5;
+			pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 
+					dev->irq);
+		}
+		else if (slot == 9) {
+			dev->irq = 2;
+			pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 
+					dev->irq);
+		}
+	}
+}
+unsigned int pcibios_assign_all_busses(void)
+{
+	return 0;
+}
+#endif