patch-2.4.0-test8 linux/arch/arm/mach-footbridge/ebsa285-pci.c

• Lines: 40
• Date: Sun Sep 3 11:19:11 2000
• Orig file: v2.4.0-test7/linux/arch/arm/mach-footbridge/ebsa285-pci.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test7/linux/arch/arm/mach-footbridge/ebsa285-pci.c linux/arch/arm/mach-footbridge/ebsa285-pci.c
@@ -0,0 +1,39 @@
+/*
+ * linux/arch/arm/mach-footbridge/ebsa285-pci.c
+ *
+ * PCI bios-type initialisation for PCI machines
+ *
+ * Bits taken from various places.
+ */
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+
+#include <asm/irq.h>
+#include <asm/mach/pci.h>
+
+static int irqmap_ebsa285[] __initdata = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI };
+
+static u8 __init ebsa285_swizzle(struct pci_dev *dev, u8 *pin)
+{
+	return PCI_SLOT(dev->devfn);
+}
+
+static int __init ebsa285_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (dev->vendor == PCI_VENDOR_ID_CONTAQ &&
+	    dev->device == PCI_DEVICE_ID_CONTAQ_82C693)
+		switch (PCI_FUNC(dev->devfn)) {
+			case 1:	return 14;
+			case 2:	return 15;
+			case 3:	return 12;
+		}
+
+	return irqmap_ebsa285[(slot + pin) & 3];
+}
+
+struct hw_pci ebsa285_pci __initdata = {
+	init:		dc21285_init,
+	swizzle:	ebsa285_swizzle,
+	map_irq:	ebsa285_map_irq,
+};