On Tue, Aug 06, 2013 at 11:22:22AM -0500, Dennis Gilmore wrote: [snip] > The only way I could see having us write a file to disk with the > environment working is if all boards implement standard variable to > define the memory locations and that is compiled into the u-boot binary. > > some variables that would need to be compiled in > > fdt_addr > fdt_addr_r
Why two? > kernel_addr_r > ramdisk_addr_r > pxefile_addr_r > scr_addr_r > uenv_addr_r > > this should allow for for people to use boot.scr uEnv.txt or > pxe/extlinux This is what I think we need to work towards. A board opting into this standard must set CONFIG_CMD_A/B/C (or maybe we add a CONFIG_SUPPORT_GENERIC_LINUX_DISTRO that does this in one of the fallback files, whatever) and provide the following variables PLUS a, and this needs some thinking I think, auto-boot tries to load said file from ... ? We cannot provide a built-in environment that works for every distro and case, we want the distro to tell us things it knows, and we'll tell it what it can't easily know. -- Tom
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