2 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 7177c4aa6342..242dd0775343 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -915,6 +915,14 @@ void __init kirkwood_init(void)
         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
 
+        /*
+         * Disable propagation of mbus errors to the CPU local bus,
+         * as this causes mbus errors (which can occur for example
+         * for PCI aborts) to throw CPU aborts, which we're not set
+         * up to deal with.
+         */
+        writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
+
         kirkwood_setup_cpu_mbus();
 
 #ifdef CONFIG_CACHE_FEROCEON_L2
diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
index 9e80d9232c83..418f5017c50e 100644
--- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
+++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
@@ -13,6 +13,9 @@
 
 #include <mach/kirkwood.h>
 
+#define CPU_CONFIG              (BRIDGE_VIRT_BASE | 0x0100)
+#define CPU_CONFIG_ERROR_PROP   0x00000004
+
 #define CPU_CONTROL             (BRIDGE_VIRT_BASE | 0x0104)
 #define CPU_RESET               0x00000002