From: Rob Herring rob.herring@calxeda.com
The DDR controller is slightly different in ECX-2000 and ECX-1000, so we need to have different nodes for each platform.
Signed-off-by: Rob Herring rob.herring@calxeda.com [Device Tree documentation updated.] Signed-off-by: Robert Richter rric@kernel.org --- Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt | 4 +++- arch/arm/boot/dts/ecx-2000.dts | 6 ++++++ arch/arm/boot/dts/ecx-common.dtsi | 6 ------ arch/arm/boot/dts/highbank.dts | 6 ++++++ 4 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt b/Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt index f770ac0..0496759 100644 --- a/Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt +++ b/Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt @@ -1,7 +1,9 @@ Calxeda DDR memory controller
Properties: -- compatible : Should be "calxeda,hb-ddr-ctrl" +- compatible : Should be: + - "calxeda,hb-ddr-ctrl" for ECX-1000 + - "calxeda,ecx-2000-ddr-ctrl" for ECX-2000 - reg : Address and size for DDR controller registers. - interrupts : Interrupt for DDR controller.
diff --git a/arch/arm/boot/dts/ecx-2000.dts b/arch/arm/boot/dts/ecx-2000.dts index 139b40c..2ccbb57f 100644 --- a/arch/arm/boot/dts/ecx-2000.dts +++ b/arch/arm/boot/dts/ecx-2000.dts @@ -85,6 +85,12 @@ <1 10 0xf08>; };
+ memory-controller@fff00000 { + compatible = "calxeda,ecx-2000-ddr-ctrl"; + reg = <0xfff00000 0x1000>; + interrupts = <0 91 4>; + }; + intc: interrupt-controller@fff11000 { compatible = "arm,cortex-a15-gic"; #interrupt-cells = <3>; diff --git a/arch/arm/boot/dts/ecx-common.dtsi b/arch/arm/boot/dts/ecx-common.dtsi index e8559b7..f95988f 100644 --- a/arch/arm/boot/dts/ecx-common.dtsi +++ b/arch/arm/boot/dts/ecx-common.dtsi @@ -45,12 +45,6 @@ status = "disabled"; };
- memory-controller@fff00000 { - compatible = "calxeda,hb-ddr-ctrl"; - reg = <0xfff00000 0x1000>; - interrupts = <0 91 4>; - }; - ipc@fff20000 { compatible = "arm,pl320", "arm,primecell"; reg = <0xfff20000 0x1000>; diff --git a/arch/arm/boot/dts/highbank.dts b/arch/arm/boot/dts/highbank.dts index 6aad34a..ed14aea 100644 --- a/arch/arm/boot/dts/highbank.dts +++ b/arch/arm/boot/dts/highbank.dts @@ -86,6 +86,12 @@ soc { ranges = <0x00000000 0x00000000 0xffffffff>;
+ memory-controller@fff00000 { + compatible = "calxeda,hb-ddr-ctrl"; + reg = <0xfff00000 0x1000>; + interrupts = <0 91 4>; + }; + timer@fff10600 { compatible = "arm,cortex-a9-twd-timer"; reg = <0xfff10600 0x20>;