On Fri, Dec 7, 2018 at 10:49 AM <[email protected]> wrote:
>
> Hello.
> I compiled the following code as the device tree source.
>
> /dts-v1/;
> /plugin/;
> /* Reserve 256kB DDR memory for the ping/pong buffers */
> / {
> fragment@0 {
> target = <&ocp>;
swap ocp for this:
target-path = "/";
> __overlay__ {
> reserved-memory {
> #address-cells = <1>;
> #size-cells = <1>;
> ranges;
>
> pruadc_reserved: pruadc_reserved@0x90000000 {
> reg = <0x90000000 0x00040000>;
> no-map;
> status = "okay";
> };
> };
> };
> };
> };
>
>
> But after booting, there is no trace of the reserved memory in the
> /proc/iomem file (there is no gap in "System RAM"). I also tested a large
> number of different sources, but none of them came up with a result.
> Can you share here the device tree source that you have used?
Regards,
--
Robert Nelson
https://rcn-ee.com/
--
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