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authorHauke Mehrtens <hauke@hauke-m.de>2011-07-23 01:20:15 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-08-08 14:29:33 -0400
commita3e72cd2974a4b178d4edf6737ae51d1ea83b5d8 (patch)
treea8e1826269602da35090e5c69a1a2405baf24c49 /arch/mips/bcm47xx
parentc1d1c5d4213ee96e054c4d195117368972a4c01f (diff)
bcm47xx: fix irq assignment for new SoCs.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'arch/mips/bcm47xx')
-rw-r--r--arch/mips/bcm47xx/irq.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/bcm47xx/irq.c b/arch/mips/bcm47xx/irq.c
index 325757acd020..8cf3833b2d29 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 +52,16 @@ void plat_irq_dispatch(void)
void __init arch_init_irq(void)
{
+#ifdef CONFIG_BCM47XX_BCMA
+ if (bcm47xx_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;
+ }
+#endif
mips_cpu_irq_init();
}