patch-2.4.20 linux-2.4.20/arch/mips/vr41xx/nec-eagle/pci_fixup.c

• Lines: 167
• Date: Thu Nov 28 15:53:10 2002
• Orig file: linux-2.4.19/arch/mips/vr41xx/nec-eagle/pci_fixup.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/arch/mips/vr41xx/nec-eagle/pci_fixup.c linux-2.4.20/arch/mips/vr41xx/nec-eagle/pci_fixup.c
@@ -0,0 +1,166 @@
+/*
+ * FILE NAME
+ *	arch/mips/vr41xx/nec-eagle/pci_fixup.c
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	The NEC Eagle/Hawk Board specific PCI fixups.
+ *
+ * Author: Yoichi Yuasa
+ *         yyuasa@mvista.com or source@mvista.com
+ *
+ * Copyright 2001,2002 MontaVista Software Inc.
+ *
+ *  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.
+ */
+/*
+ * Changes:
+ *  MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com>
+ *  - Moved mips_pci_channels[] to arch/mips/vr41xx/vr4122/eagle/setup.c.
+ *  - Added support for NEC Hawk.
+ *
+ *  Paul Mundt <lethal@chaoticdreams.org>
+ *  - Fix empty break statements, remove useless CONFIG_PCI.
+ *
+ *  MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com>
+ *  - New creation, NEC Eagle is supported.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+
+#include <asm/vr41xx/eagle.h>
+#ifdef CONFIG_VRC4173
+#include <asm/vr41xx/vrc4173.h>
+#endif
+
+void __init pcibios_fixup_resources(struct pci_dev *dev)
+{
+}
+
+void __init pcibios_fixup(void)
+{
+}
+
+void __init pcibios_fixup_irqs(void)
+{
+	struct pci_dev *dev;
+	u8 slot, func, pin;
+
+	pci_for_each_dev(dev) {
+		slot = PCI_SLOT(dev->devfn);
+		func = PCI_FUNC(dev->devfn);
+		pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+		dev->irq = 0;
+
+		switch (slot) {
+		case 8:
+			switch (pin) {
+			case 1:
+				dev->irq = CP_INTA_IRQ;
+				break;
+			case 2:
+				dev->irq = CP_INTB_IRQ;
+				break;
+			case 3:
+				dev->irq = CP_INTC_IRQ;
+				break;
+			case 4:
+				dev->irq = CP_INTD_IRQ;
+				break;
+			}
+			break;
+		case 9:
+			switch (pin) {
+			case 1:
+				dev->irq = CP_INTD_IRQ;
+				break;
+			case 2:
+				dev->irq = CP_INTA_IRQ;
+				break;
+			case 3:
+				dev->irq = CP_INTB_IRQ;
+				break;
+			case 4:
+				dev->irq = CP_INTC_IRQ;
+				break;
+			}
+			break;
+		case 10:
+			switch (pin) {
+			case 1:
+				dev->irq = CP_INTC_IRQ;
+				break;
+			case 2:
+				dev->irq = CP_INTD_IRQ;
+				break;
+			case 3:
+				dev->irq = CP_INTA_IRQ;
+				break;
+			case 4:
+				dev->irq = CP_INTB_IRQ;
+				break;
+			}
+			break;
+#ifdef CONFIG_VRC4173
+		case 12:
+			dev->irq = VRC4173_CARDU1_IRQ;
+			break;
+		case 13:
+			dev->irq = VRC4173_CARDU2_IRQ;
+			break;
+		case 24:
+			dev->irq = VRC4173_CARDU1_IRQ;
+			break;
+		case 25:
+			dev->irq = VRC4173_CARDU2_IRQ;
+			break;
+#endif
+		case 28:
+			dev->irq = LANINTA_IRQ;
+			break;
+		case 29:
+			dev->irq = PCISLOT_IRQ;
+			break;
+#ifdef CONFIG_VRC4173
+		case 30:
+			switch (func) {
+			case 0:
+				dev->irq = VRC4173_IRQ;
+				break;
+			case 1:
+				dev->irq = VRC4173_AC97U_IRQ;
+				break;
+			case 2:
+				dev->irq = VRC4173_USBU_IRQ;
+				break;
+			}
+			break;
+#endif
+		}
+
+		pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+	}
+}
+
+unsigned int pcibios_assign_all_busses(void)
+{
+	return 0;
+}