On Tue, Mar 7, 2017 at 12:58 PM, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote: >> > >> > When booting from an SD-Card/NOR-Flash/USB would I then need >> > to use at91bootstrap, or can I use only barebox? >> > >> > If I move forward with this and I can find an 9263 >> > evaluation kit I would then also update this. >> On 9263 the sram is huge so you can build barebox as first stage > > Good - simplicity is good. > For at91sam9x5ek I had to use at91bootstrap since there is first stage loader in Barebox for it. I don't know about 9263, but I trust Jean-Christophe to be correct on this one. >> >> I add this a long time ago on usb_a9263_bootstrap_defconfig >> or other (all the EK). >> >> This will build a barebox that can load you image from multiple source in a sequence >> >> and then use a std barebox >> >> To switch to DT you will have to import the DT I did for the kernel > OK, should be straighforward. > >> and replace the hw i2c by a i2c gpio as the i2c IP on at91 has a lot of quirks >> and for barebox it will not make sense to port it > Seems less straightforward but doable. > Not sure what the situation on 9263 is, but FWIW, kernel DT file from the kernel for 9x5ek secifies I2C0 as GPIO bitbanged on, and I believe I had it working so hopefully it would be just a DT related change that you'd need to do. Thanks, Andrey Smirnov _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
