[RFC v2 12/12] bcm47xx: fix irq assignment for new SoCs.

[Hauke Mehrtens]

Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 arch/mips/bcm47xx/irq.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/arch/mips/bcm47xx/irq.c b/arch/mips/bcm47xx/irq.c
index 325757a..856c94c 100644
--- a/arch/mips/bcm47xx/irq.c
+++ b/arch/mips/bcm47xx/irq.c
@@ -26,6 +26,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <asm/irq_cpu.h>
+#include <bcm47xx.h>
 
 void plat_irq_dispatch(void)
 {
@@ -51,5 +52,14 @@ void plat_irq_dispatch(void)
 
 void __init arch_init_irq(void)
 {
+	if (bcm47xx_active_bus_type == BCM47XX_BUS_TYPE_BCMA) {
+		bcma_write32(bcm47xx_bus.bcma.bus.drv_mips.core,
+			     BCMA_MIPS_MIPS74K_INTMASK(5), 1 << 31);
+		/*
+		 * the kernel reads the timer irq from some register and thinks
+		 * it's #5, but we offset it by 2 and route to #7
+		 */
+		cp0_compare_irq = 7;
+	}
 	mips_cpu_irq_init();
 }
-- 
1.7.4.1