[PATCH v2] ARM: dts: rockchip: Reserve unusable memory region on rk3066
From: =?UTF-8?q?Pawe=C5=82=20Jarosz?= <hidden>
Date: 2016-10-05 16:18:11
Also in:
linux-rockchip
Subsystem:
the rest · Maintainer:
Linus Torvalds
For some reason accessing memory region above 0x9F000000 freezes system on rk3066. There is similiar bug on later rockchip soc (rk3288) solved same way. Signed-off-by: Pawe? Jarosz <redacted> --- Changes in v2: - updated commit message. arch/arm/boot/dts/rk3066a.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index 0d0dae3..44c8956 100644
--- a/arch/arm/boot/dts/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rk3066a.dtsi@@ -93,6 +93,19 @@ }; }; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + /* + * The rk3066 cannot use the memory area above 0x9F000000 + * for some unknown reason. + */ + unusable at 9F000000 { + reg = <0x9F000000 0x1000000>; + }; + }; + i2s0: i2s at 10118000 { compatible = "rockchip,rk3066-i2s"; reg = <0x10118000 0x2000>;
--
2.7.4