On 5 March 2014 13:39, Tushar Behera <tushar.behera@xxxxxxxxxx> wrote:
> 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@xxxxxxx>
> Signed-off-by: Tushar Behera <tushar.behera@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos5420-arndale-octa.dts | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> index f509e8f..810ec73 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";
> + };
> + };
> };
> --
> 1.7.9.5
>
Kukjin,
Can you please apply this with Javi's "Tested-by"?
--
Tushar Behera
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