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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2009-11-16 16:28:15 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-11-16 16:28:15 +0000 |
| commit | e12399fec3793e0c2b75d366c7fd48a360f6e328 (patch) | |
| tree | fee270c800c2c9bb646eabee322dddd2b213e03b /arch | |
| parent | ARM: 5787/1: U300 COH 901 331 fixes (diff) | |
| parent | [ARM] Kirkwood: disable propagation of mbus error to the CPU local bus (diff) | |
| download | linux-dev-e12399fec3793e0c2b75d366c7fd48a360f6e328.tar.xz linux-dev-e12399fec3793e0c2b75d366c7fd48a360f6e328.zip | |
Merge branch 'for-rmk' of git://git.marvell.com/orion
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/bridge-regs.h | 3 |
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 |