Talk:Device Tree

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Hello everyone. I have one question and hope you can help me. I’ve seen all of available device trees (dts) files for allwinner H3 chip and I can’t understand one thing. All of those files don’t contain any information about memory configuration (but files are written for boards with different memory size). Old FEX files (for legacy kernel) contain dram section. So, why don’t dts files contain memory configuration? How can I configure memory controller and memory size? Thanks!

Look at the u-boot source code. Memory controller is configured there.