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[PATCH 11/11] bcm47xx: fix irq assignment for new SoCs.

To: linville@tuxdriver.com, linux-wireless@vger.kernel.org, linux-mips@linux-mips.org
Subject: [PATCH 11/11] bcm47xx: fix irq assignment for new SoCs.
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 23 Jul 2011 01:20:15 +0200
Cc: jonas.gorski@gmail.com, ralf@linux-mips.org, zajec5@gmail.com, mb@bu3sch.de, george@znau.edu.ua, arend@broadcom.com, b43-dev@lists.infradead.org, bernhardloos@googlemail.com, arnd@arndb.de, julian.calaby@gmail.com, sshtylyov@mvista.com, Hauke Mehrtens <hauke@hauke-m.de>
In-reply-to: <1311376815-15755-1-git-send-email-hauke@hauke-m.de>
References: <1311376815-15755-1-git-send-email-hauke@hauke-m.de>
Sender: linux-mips-bounce@linux-mips.org
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 arch/mips/bcm47xx/irq.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/arch/mips/bcm47xx/irq.c b/arch/mips/bcm47xx/irq.c
index 325757a..8cf3833 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();
 }
-- 
1.7.4.1


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