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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-11-16 16:28:15 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-11-16 16:28:15 +0000
commite12399fec3793e0c2b75d366c7fd48a360f6e328 (patch)
treefee270c800c2c9bb646eabee322dddd2b213e03b /arch
parent378ce74bee4cb0183489bc0f850790a2264ca975 (diff)
parent2bf30108435339c4cf149f9d279d0dc961345393 (diff)
Merge branch 'for-rmk' of git://git.marvell.com/orion
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-kirkwood/common.c8
-rw-r--r--arch/arm/mach-kirkwood/include/mach/bridge-regs.h3
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 7177c4aa634..242dd077534 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 9e80d9232c8..418f5017c50 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