target/linux/brcm47xx/patches-3.0/0011-bcm47xx-fix-irq-assignment-for-new-SoCs.patch

   1 From 1c44f60e3fd9336d19f56a67c1efc1129fd728a6 Mon Sep 17 00:00:00 2001
   2 From: Hauke Mehrtens <hauke@hauke-m.de>
   3 Date: Mon, 6 Jun 2011 00:07:38 +0200
   4 Subject: [PATCH 11/26] bcm47xx: fix irq assignment for new SoCs.
   5
   6 Signed-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_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  }