diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 7177c4aa63421e22e5f57afcadf00e60a98a79fe..242dd077534336269804795d30c4afb04fe1739b 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 9e80d9232c831e315783509b71a837de115b92b9..418f5017c50e1d916468ebc99e5b958a706d98f6 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 +#define CPU_CONFIG (BRIDGE_VIRT_BASE | 0x0100) +#define CPU_CONFIG_ERROR_PROP 0x00000004 + #define CPU_CONTROL (BRIDGE_VIRT_BASE | 0x0104) #define CPU_RESET 0x00000002