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