Nicolas LAURANCE wrote: > Hi all, > > I managed to acces my SD Card (SanDisk SDSDQ-8192-E11M) using a slow > 5000000 clock. > > My uboot version is 1.3.2-moko12 > downloaded 9/6/2008 [1]_ > > .. [1] > http://downloads.openmoko.org/releases/Om2008.8-update/gta02v5_and_up-u-boot.bin > > but here is more question about u-boot_env > > Of course during my pilgrimage I borked completely my environment and > had to use devirginator > I connected to the uboot boot prompt via putty and copied/pasted what I > wanted. > I witnessed some strange chars on screen, I think my bork came for that > reason > > Question 1 > ----------- > I see that devirginator can generate a new boot config > and then it's just a matter of loading it with dfu-utils > Does anyone have spec of the file? > I'd rather have a small python script that can generate a conf from a > text or xml file than edit with setenv > I understood (maybe wrongly ?) that it's a binary file that requires to > be of a certain size, include a CRC32 checksum .... > Couldn't find more info on this list or the wiki > It is a text file that starts with a 32 bit crc and then the rest is text where each parameter is separated with a \0 and a double \0\0 after the last. The rest of the partition is filled with 0xff. The crc is calculated over the hole flash partition.
You can get the crc code from U-Boot home page. There must be a lot of people that has written a program for updating the U-Boot environment. (I have at my work, but I have to check if I can just publish it). Tore Martin Hagen > Question 2 > ----------- > When I had errors, the screens almost flashes on the error. I hadn't > enough time to read it. > Is there a way to slow this ? > > best regards > NiL > > _______________________________________________ > Openmoko community mailing list > community@lists.openmoko.org > http://lists.openmoko.org/mailman/listinfo/community > _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community