Hi Martin. On Thu, Jul 20, 2017 at 01:09:54PM +0000, Martin Hollingsworth wrote: > Hi, > I am trying to enable the barebox state framework and use it to > store the bootchooser variables on the am335x-phytec-phycore-som > board. I want to do that, so that the variables can be stored > in EEPROM rather than in NAND (due to write/erase cycles). > > I am following the steps from the documentation and from > the mailing list from 2016 > (http://lists.infradead.org/pipermail/barebox/2016-October/028312.html). > However, all entries I try to add to the DTS/DTSI files fail > to compile with a syntax error, even the example dtsi entry > from the documentation. > > Has anyone running a similar configuration and could help > with some advice what has to be adapted? > Can anyone recommend a good example code of the barebox state placed on EEPROM? The following builds. Maybe this is a small step in the right direction. Just added from state-example.dts and from the documentation. Sam diff --git a/arch/arm/dts/am335x-phytec-phycore-som.dts b/arch/arm/dts/am335x-phytec-phycore-som.dts index f13e0d6bd..f62620be0 100644 --- a/arch/arm/dts/am335x-phytec-phycore-som.dts +++ b/arch/arm/dts/am335x-phytec-phycore-som.dts @@ -13,12 +13,41 @@ / { model = "Phytec phyCORE AM335x"; compatible = "phytec,phycore-am335x-som", "phytec,am335x-som", "ti,am33xx"; + + state: state { + magic = <0x27031977>; + compatible = "barebox,state"; + backend-type = "raw"; + backend = <&backend_state_eeprom>; + #address-cells = <1>; + #size-cells = <1>; + foo { + reg = <0x00 0x4>; + type = "uint32"; + default = <0x0>; + }; + + bar { + reg = <0x10 0x4>; + type = "enum32"; + names = "baz", "qux"; + default = <1>; + }; + }; }; &spi0 { status = "okay"; }; - &eeprom { status = "okay"; + partitions { + compatible = "fixed-partitions"; + #size-cells = <1>; + #address-cells = <1>; + backend_state_eeprom: state@400 { + reg = <0x400 0x400>; + label = "state-eeprom"; + }; + }; }; _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
