You could use any of the defined variables, they are required to be set to suitable values as part of the generic distro boot specifications, if it's not a valid address we have much bigger problems. That particular variable is where in a regular boot the devicetree file is loaded to.
Dennis On Fri, Apr 23, 2021, 09:14 Dominik 'Rathann' Mierzejewski < domi...@greysector.net> wrote: > On Friday, 23 April 2021 at 15:49, Dennis Gilmore wrote: > > On Fri, Apr 23, 2021 at 7:14 AM Dominik 'Rathann' Mierzejewski > > <domi...@greysector.net> wrote: > > > > > > On Thursday, 22 April 2021 at 18:07, Paul Whalen wrote: > > > > > > > > Hi Everyone, > > > > > > > > Please help to test the Fedora 34 RC on your favourite ARM or AArch64 > > > > device, and add your results to the Fedora Wiki: > > > > > > > > https://fedoraproject.org/wiki/Test_Results:Fedora_34_RC_1.1_Summary > > > > > > > > All testing is greatly appreciated! > > > > > > I'd be happy to test on my Pinebook Pro, but I'd appreciate some > > > instructions on how to flash the U-Boot SPI image (idbloader.spi?) > > > onto the SPI. Peter pointed me to > > > https://marcin.juszkiewicz.com.pl/2020/06/17/ebbr-on-rockpro64/ on > IRC, > > > but it's for a different board. How can I find out the correct address > > > for load and sf update/write commands? > > > > There is no need to know the memory locations, there are variables > > defined for that. On my RockPro64 I ran the following > > > > sf probe > > load mmc 1:1 ${fdt_addr_r} idbloader.spi > > sf update ${fdt_addr_r} 0 ${filesize} > > load mmc 1:1 ${fdt_addr_r} u-boot.itb > > sf update ${fdt_addr_r} 60000 ${filesize} > > > > reset and it booted off of SPI,I created the sdcard that I booted off > > and contained u-boot by running > > spi-flashing-disk --media=/dev/sda --target rockpro64-rk3399 > > > > my desktop has nvme drives so the first USB drive shows up as /dev/sda > > > > you may need to use mmc info to get the right device or run > > ls mmc 0:1 > > ls mmc 1:1 > > until you see the device that contains the right bits, then set the > > correct device to load from > > Thanks, I actually knew as much. How can I make sure that the > ${fdt_addr_r} variable contains the correct address, though? > > Regards, > Dominik > -- > Fedora https://getfedora.org | RPM Fusion http://rpmfusion.org > There should be a science of discontent. People need hard times and > oppression to develop psychic muscles. > -- from "Collected Sayings of Muad'Dib" by the Princess Irulan >
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