Commit 3da355c0 authored Mar 21, 2014 by Tushar Behera Committed by Kukjin Kim Mar 21, 2014

ARM: dts: Disable MDMA1 node for arndale-octa board



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@arm.com>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Tested-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

parent ba0d7ed3

arch/arm/boot/dts/exynos5420-arndale-octa.dts

+12 −0

Original line number	Diff line number	Diff line
		@@ -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";
		};
		};
		};