diff options
| author | Tushar Behera <tushar.behera@linaro.org> | 2014-03-21 04:26:40 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2014-03-21 04:27:36 +0900 |
| commit | 3da355c03a44bc45f3688bb68b51eefa738d1857 (patch) | |
| tree | 6d6d9117e2d2e255bd149ed468ca27d2ff5372f0 /arch/arm/boot/dts/exynos5420-arndale-octa.dts | |
| parent | ba0d7ed391b7b3fb5ca98d9cf4d067b7f5ed956b (diff) | |
ARM: dts: Disable MDMA1 node for arndale-octa board
MDMA1 can support both secure and non-secure AXI transactions. When this
is enabled in the kernel for boards that run in secure mode, we get
imprecise external aborts causing the kernel to oops.
Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007
Suggested-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Tested-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/boot/dts/exynos5420-arndale-octa.dts')
| -rw-r--r-- | arch/arm/boot/dts/exynos5420-arndale-octa.dts | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index f509e8fc290f..810ec732f855 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -361,4 +361,16 @@ gpio-key,wakeup; }; }; + + amba { + mdma1: mdma@11C10000 { + /* + * MDMA1 can support both secure and non-secure + * AXI transactions. When this is enabled in the kernel + * for boards that run in secure mode, we are getting + * imprecise external aborts causing the kernel to oops. + */ + status = "disabled"; + }; + }; }; |