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

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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>
This commit is contained in:
Tushar Behera 2014-03-21 04:26:40 +09:00 • committed by Kukjin Kim
parent ba0d7ed391
commit 3da355c03a
1 changed files with 12 additions and 0 deletions
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12
arch/arm/boot/dts/exynos5420-arndale-octa.dts
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@ -361,4 +361,16 @@
gpio-key,wakeup; 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";
};
};
}; };