[PATCH 17/17] ARM: mvebu: add SDRAM controller description for Armada XP
From: Gregory CLEMENT <hidden>
Date: 2014-11-10 14:25:08
Also in:
linux-devicetree
Hi Thomas, On 24/10/2014 13:59, Thomas Petazzoni wrote:
The suspend/resume sequence on Armada XP needs to modify a number of registers in the SDRAM controller. Therefore, this commit updates the Armada XP Device Tree description to include the SDRAM controller Device Tree node.
Acked-by: Gregory CLEMENT <redacted> Thanks, Gregory
quoted hunk
Signed-off-by: Thomas Petazzoni <redacted> --- arch/arm/boot/dts/armada-xp.dtsi | 5 +++++ 1 file changed, 5 insertions(+)diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index bff9f6c..2be244a 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi@@ -35,6 +35,11 @@ }; internal-regs { + sdramc at 1400 { + compatible = "marvell,armada-xp-sdram-controller"; + reg = <0x1400 0x500>;
It seemed a quite large area, but indeed there are registers related to the sdram controller at least until the address 0x18AC.
+ };
+
L2: l2-cache {
compatible = "marvell,aurora-system-cache";
reg = <0x08000 0x1000>;-- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com