diff options
| author | Seungwon Jeon <tgih.jun@samsung.com> | 2014-05-09 00:02:33 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2014-05-14 21:13:58 +0200 |
| commit | e6015c1f8a9032c2aecb78d23edf49582563bd47 (patch) | |
| tree | a3c11e50db9926acb5e146e4831fd5029ba4a64c /arch/arm/boot/dts/exynos5420.dtsi | |
| parent | ARM: EXYNOS: fix the secondary CPU boot of exynos4212 (diff) | |
| download | linux-e6015c1f8a9032c2aecb78d23edf49582563bd47.tar.xz linux-e6015c1f8a9032c2aecb78d23edf49582563bd47.zip | |
ARM: dts: disable MDMA1 node for exynos5420
This change places MDMA1 in disabled node for Exynos5420.
If MDMA1 region is configured with secure mode, it makes
the boot failure with the following on smdk5420 board.
("Unhandled fault: imprecise external abort (0x1406) at 0x00000000")
Thus, arndale-octa board don't need to do the same thing anymore.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
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.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/exynos5420.dtsi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index c3a9a66c5767..97cbcdd901be 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -336,6 +336,13 @@ #dma-cells = <1>; #dma-channels = <8>; #dma-requests = <1>; + /* + * 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"; }; }; |