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ARM: dts: artpec: disable Accelerator Coherency Port 

Accesses via 0x80000000 go through the ACP instead of using the DDR
directly.

Unfortunately the ACP has proven to be the cause of complete system
hangs. Disabling the ACP makes these problems go away.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Niklas Cassel 2018-02-21 09:59:53 +01:00 committed by Arnd Bergmann
parent 661e50bc85
commit 0fc123744e
1 changed files with 1 additions and 2 deletions
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3
arch/arm/boot/dts/artpec6.dtsi
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@ -185,8 +185,7 @@ amba@0 {
#address-cells = <0x1>;
#size-cells = <0x1>;
ranges;
dma-ranges = <0x80000000 0x00000000 0x40000000>;
dma-coherent;
dma-ranges;
ethernet: ethernet@f8010000 {
clock-names = "phy_ref_clk", "apb_pclk";