Add the reserved-memory regions of the nominal and derated tables setup by
the bootloader so that the EMC frequency change code can access them.
Signed-off-by: Diogo Ivo <diogo.ivo@xxxxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 709f3f417a19..a74826ae97b4 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -30,6 +30,22 @@ memory {
reg = <0x0 0x80000000 0x0 0xc0000000>;
};
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ nominal: emc-table@f67cc000 {
+ compatible = "nvidia,tegra210-emc-table";
+ reg = <0x0 0xf67cc000 0x0 0xbea0>;
+ };
+
+ derated: emc-table@f67d7ea0 {
+ compatible = "nvidia,tegra210-emc-table";
+ reg = <0x0 0xf67d7ea0 0x0 0xbea0>;
+ };
+ };
+
host1x@50000000 {
dc@54200000 {
status = "okay";
@@ -1735,6 +1751,11 @@ pmc@7000e400 {
status = "okay";
};
+ emc: external-memory-controller@7001b000 {
+ memory-region = <&nominal>, <&derated>;
+ memory-region-names = "nominal", "derated";
+ };
+
usb@70090000 {
phys = <&{/padctl@7009f000/pads/usb2/lanes/usb2-0}>,
<&{/padctl@7009f000/pads/pcie/lanes/pcie-6}>;
--
2.40.0
