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>

diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
index 80a3bf4c59865e0403a4197abb5ae6f0bc00d363..896a2a6619e0a72aed8c0f474c721e8294a38a3d 100644 (file)
--- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -364,16 +364,4 @@
                        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";
-               };
-       };
 };

diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index c3a9a66c57678f9a5dddd75e11e55be913e3c3c0..97cbcdd901bea5d9737ac6fd92cc37bbc3fdc6a8 100644 (file)
--- 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";
                };
        };