1 files changed, 16 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index a914c12b4060..6666d037eb44 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -396,3 +396,19 @@ void __init iic_init_IRQ(void)
         /* Enable on current CPU */
         iic_setup_cpu();
 }
+
+void iic_set_interrupt_routing(int cpu, int thread, int priority)
+{
+        struct cbe_iic_regs __iomem *iic_regs = cbe_get_cpu_iic_regs(cpu);
+        u64 iic_ir = 0;
+        int node = cpu >> 1;
+
+        /* Set which node and thread will handle the next interrupt */
+        iic_ir |= CBE_IIC_IR_PRIO(priority) |
+                  CBE_IIC_IR_DEST_NODE(node);
+        if (thread == 0)
+                iic_ir |= CBE_IIC_IR_DEST_UNIT(CBE_IIC_IR_PT_0);
+        else
+                iic_ir |= CBE_IIC_IR_DEST_UNIT(CBE_IIC_IR_PT_1);
+        out_be64(&iic_regs->iic_ir, iic_ir);
+}