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Diffstat (limited to 'arch/mips/pci/fixup-ev64120.c')
-rw-r--r--arch/mips/pci/fixup-ev64120.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-ev64120.c b/arch/mips/pci/fixup-ev64120.c
new file mode 100644
index 00000000000..8dbb90d63f0
--- /dev/null
+++ b/arch/mips/pci/fixup-ev64120.c
@@ -0,0 +1,34 @@
+#include <linux/pci.h>
+#include <linux/init.h>
+
+int pci_range_ck(unsigned char bus, unsigned char dev)
+{
+ if (((bus == 0) || (bus == 1)) && (dev >= 6) && (dev <= 8))
+ return 0;
+
+ return -1;
+}
+
+/*
+ * After detecting all agents over the PCI , this function is called
+ * in order to give an interrupt number for each PCI device starting
+ * from IRQ 20. It does also enables master for each device.
+ */
+void __devinit pcibios_fixup_bus(struct pci_bus *bus)
+{
+ unsigned int irq = 20;
+ struct pci_bus *current_bus = bus;
+ struct pci_dev *dev;
+ struct list_head *devices_link;
+
+ list_for_each(devices_link, &(current_bus->devices)) {
+ dev = pci_dev_b(devices_link);
+ if (dev != NULL) {
+ dev->irq = irq++;
+
+ /* Assign an interrupt number for the device */
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
+ pcibios_set_master(dev);
+ }
+ }
+}