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openwrt-xburst/target/linux/brcm47xx/patches-3.0/0011-bcm47xx-fix-irq-assignment-for-new-SoCs.patch
hauke bf183aeff8 brcm47xx: update patches
* this adds sflash support for ssb devices
* the flash is now a platform device
* minor updates



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27902 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-08-04 20:04:54 +00:00

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From 1c44f60e3fd9336d19f56a67c1efc1129fd728a6 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Mon, 6 Jun 2011 00:07:38 +0200
Subject: [PATCH 11/26] bcm47xx: fix irq assignment for new SoCs.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/bcm47xx/irq.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
--- 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();
}