Would these steps be expected to work with 4.4.30-ti-r64 ?
On Saturday, December 8, 2018 at 3:35:56 PM UTC-5, [email protected] wrote: > > OK. I had made a mistake. Your suggestion solved the problem. Now I have a > gap in System RAM. > This is the device tree source that i have used and is OK: > > /dts-v1/; > /plugin/; > /* Reserve 256kB DDR memory for the ping/pong buffers */ > / { > fragment@0 { > target-path = "/"; > __overlay__ { > reserved-memory { > #address-cells = <1>; > #size-cells = <1>; > ranges; > > pruadc_reserved: pruadc_reserved@0x90010000 { > reg = <0x90010000 0x00040000>; > no-map; > status = "okay"; > }; > }; > }; > }; > }; > > Thank you very much. > > On Wednesday, October 10, 2018 at 12:24:35 AM UTC+3:30, GS wrote: >> >> I am trying to figure out how to reserve memory in device tree. (this is >> based on an example by TI: Dts >> <https://git.ti.com/apps/tida01555/blobs/master/dts/am335x-boneblack-pruadc.dts> >> and >> compile instructions section 3.1.2.4 >> <http://www.ti.com/lit/ug/tidudn4/tidudn4.pdf>) >> Here is is my dts file: >> >> /dts-v1/; >> >> / { >> reserved-memory { >> #address-cells = <1>; >> #size-cells = <1>; >> ranges; >> >> pruadc_reserved: pruadc_reserved@0x9ffc0000 { >> reg = <0x9ffc0000 0x00010000>; >> no-map; >> status = "okay"; >> }; >> }; >> }; >> >> However, when I compile I get the following warnings: >> src/arm/MEM.dtbo: Warning (ranges_format): /reserved-memory has empty >> "ranges" property but its #address-cells (1) differs from / (2) >> src/arm/MEM.dtbo: Warning (avoid_default_addr_size): Relying on default >> #address-cells value for /reserved-memory >> src/arm/MEM.dtbo: Warning (avoid_default_addr_size): Relying on default >> #size-cells value for /reserved-memory >> >> Other combinations of address-cells/size-cells give reg format warnings. >> >> Any suggestions would be much appreciated. >> >> Thanks >> Gaurav >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/4c6e4b53-e602-443d-a730-63415a4348ee%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
