Root/target/linux/brcm47xx/patches-3.0/0013-bcm47xx-fix-irq-assignment-for-new-SoCs.patch

1From 360eb82fd303ac24590a1b99ad1866162f6b0171 Mon Sep 17 00:00:00 2001
2From: Hauke Mehrtens <hauke@hauke-m.de>
3Date: Mon, 6 Jun 2011 00:07:38 +0200
4Subject: [PATCH 13/14] bcm47xx: fix irq assignment for new SoCs.
5
6Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
7---
8 arch/mips/bcm47xx/irq.c | 12 ++++++++++++
9 1 files changed, 12 insertions(+), 0 deletions(-)
10
11--- a/arch/mips/bcm47xx/irq.c
12+++ b/arch/mips/bcm47xx/irq.c
13@@ -26,6 +26,7 @@
14 #include <linux/interrupt.h>
15 #include <linux/irq.h>
16 #include <asm/irq_cpu.h>
17+#include <bcm47xx.h>
18 
19 void plat_irq_dispatch(void)
20 {
21@@ -51,5 +52,16 @@ void plat_irq_dispatch(void)
22 
23 void __init arch_init_irq(void)
24 {
25+#ifdef CONFIG_BCM47XX_BCMA
26+ if (bcm47xx_active_bus_type == BCM47XX_BUS_TYPE_BCMA) {
27+ bcma_write32(bcm47xx_bus.bcma.bus.drv_mips.core,
28+ BCMA_MIPS_MIPS74K_INTMASK(5), 1 << 31);
29+ /*
30+ * the kernel reads the timer irq from some register and thinks
31+ * it's #5, but we offset it by 2 and route to #7
32+ */
33+ cp0_compare_irq = 7;
34+ }
35+#endif
36     mips_cpu_irq_init();
37 }
38

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