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| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2009-11-12 20:31:14 +0100 |
|---|---|---|
| committer | Nicolas Pitre <nico@fluxnic.net> | 2009-11-13 12:14:23 -0500 |
| commit | 2bf30108435339c4cf149f9d279d0dc961345393 (patch) | |
| tree | 28f15de12bc1db42a7b77c6b5544e8584dc84c89 /arch/arm/mach-kirkwood/common.c | |
| parent | 156171c71a0dc4bce12b4408bb1591f8fe32dc1a (diff) | |
| download | kernel_samsung_smdk4412-2bf30108435339c4cf149f9d279d0dc961345393.zip kernel_samsung_smdk4412-2bf30108435339c4cf149f9d279d0dc961345393.tar.gz kernel_samsung_smdk4412-2bf30108435339c4cf149f9d279d0dc961345393.tar.bz2 | |
[ARM] Kirkwood: disable propagation of mbus error to the CPU local bus
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.
Reported-by: Dieter Kiermaier <dk-arm-linux@gmx.de>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'arch/arm/mach-kirkwood/common.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 7177c4a..242dd07 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 |