Seungwon Jeon wrote:
>
+ Javi Merino and Tushar Behera
> This change is similar to commit 3da355c(ARM: dts: Disable MDMA1 node
> for arndale-octa board). If MDMA1 region is configured with secure mode,
> it makes the boot failure with the following.
>
> Unhandled fault: imprecise external abort (0x1406) at 0x00000000
>
If so, how about adding the 'disabled' status in 5420 dtsi file? Then if 'enabling' is required, we can enable in each board dt file...
- Kukjin
> Signed-off-by: Seungwon Jeon <tgih.jun@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos5420-smdk5420.dts | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts
> b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> index 6910485..9a48e3f 100644
> --- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
> +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> @@ -373,4 +373,10 @@
> };
> };
> };
> +
> + amba {
> + mdma1: mdma@11C10000 {
> + status = "disabled";
> + };
> + };
> };
> --
> 1.7.0.4
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