[POWERPC] pasemi: Configure DMA controller interrupts

The DMA controller on PWRficient is somewhat special -- has a PCI header
so it looks like it's on the root PCI (-Express) root bus, but it uses
more than the default number of interrupts (and they are hardwired).

We need to wire up all interrupts for the DMA controller. The generic
IRQ code will only map the primary interrupt from the PCI header (128),
so add 129->211 by hand.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c
index faa618e04047..7ecb2ba24db9 100644
--- a/arch/powerpc/platforms/pasemi/pci.c
+++ b/arch/powerpc/platforms/pasemi/pci.c
@@ -163,6 +163,19 @@ static void __init pas_fixup_phb_resources(void)
 }
 
 
+void __devinit pas_pci_irq_fixup(struct pci_dev *dev)
+{
+        /* DMA is special, 84 interrupts (128 -> 211), all but 128
+         * need to be mapped by hand here.
+         */
+        if (dev->vendor == 0x1959 && dev->device == 0xa007) {
+                int i;
+                for (i = 129; i < 212; i++)
+                        irq_create_mapping(NULL, i);
+        }
+}
+
+
 void __init pas_pci_init(void)
 {
         struct device_node *np, *root;