ARM: dts: disable MDMA1 node for exynos5420
authorSeungwon Jeon <tgih.jun@samsung.com>
Thu, 8 May 2014 22:02:33 +0000 (07:02 +0900)
committerKukjin Kim <kgene.kim@samsung.com>
Wed, 14 May 2014 19:13:58 +0000 (04:13 +0900)
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>
arch/arm/boot/dts/exynos5420-arndale-octa.dts
arch/arm/boot/dts/exynos5420.dtsi

index 80a3bf4c59865e0403a4197abb5ae6f0bc00d363..896a2a6619e0a72aed8c0f474c721e8294a38a3d 100644 (file)
                        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";
-               };
-       };
 };
index c3a9a66c57678f9a5dddd75e11e55be913e3c3c0..97cbcdd901bea5d9737ac6fd92cc37bbc3fdc6a8 100644 (file)
                        #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";
                };
        };