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2021-12-24cmd: kaslrseed: add command to generate value from hwrngChris Morgan
Allow the kaslr-seed value in the chosen node to be set from a hardware rng source. Tested on a Rockchip PX30 (Odroid Go Advance), you must have loaded the devicetree first and prepared it for editing. On my device the workflow goes as follows: setenv dtb_loadaddr "0x01f00000" load mmc 0:1 ${dtb_loadaddr} rk3326-odroid-go2.dtb fdt addr ${dtb_loadaddr} fdt resize kaslrseed and the output can be seen here: fdt print /chosen chosen { kaslr-seed = <0x6f61df74 0x6f7b996c>; stdout-path = "serial2:115200n8"; }; Signed-off-by: Chris Morgan <macromorgan@hotmail.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Simon Glass <sjg@chromium.org>