From 0443bbd3d8496f9c2bc3e8c9d1833c6638722743 Mon Sep 17 00:00:00 2001 From: Kevin Corry Date: Mon, 20 Nov 2006 18:45:15 +0100 Subject: [POWERPC] cell: Add routines for managing PMU interrupts The following routines are added to arch/powerpc/platforms/cell/pmu.c: cbe_clear_pm_interrupts() cbe_enable_pm_interrupts() cbe_disable_pm_interrupts() cbe_query_pm_interrupts() cbe_pm_irq() cbe_init_pm_irq() This also adds a routine in arch/powerpc/platforms/cell/interrupt.c and some macros in cbe_regs.h to manipulate the IIC_IR register: iic_set_interrupt_routing() Signed-off-by: Kevin Corry Signed-off-by: Carl Love Signed-off-by: Arnd Bergmann Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/cell/interrupt.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/powerpc/platforms/cell/interrupt.c') 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); +} -- cgit v1.2.3