On Wed, 03 Dec 2014 17:52:04 +0100, Pavel Machek wrote: > On Fri 2014-11-28 12:27:19, Tony Lindgren wrote: >> * Pali Rohár <[email protected]> [141127 03:34]: >> > On Thursday 27 November 2014 02:12:04 Tony Lindgren wrote: >> > > >> > > Thinking about this probably the best long term solution is to pass >> > > optional board_revision in the kernel cmdline that can be parsed >> > > early and copied to system_rev variable. >> > > >> > > >> > Not possible. Our bootloader is closed & proprietary. I tried to >> > replace it with u-boot I was not able to do that. So we will use that >> > Nokia closed bootloader forever and it can provide data only in ATAG >> > structure. >> >> I'm using just mainline u-boot flashed as kernel for nolo that then >> loads the kernel. >> >> For passing the board revision using the pass through u-boot is >> probably the best long term solution. U-boot can read the ATAGs from >> nolo and modify the .dtb for the revision information. >> >> Are you saying there are some issues with that? > > Plenty :-). > > Basically, u-boot is great for production (select one of kernels and > boot it), but pretty much unusable for development:
You might want to look at kexecboot project. Basically it is an initramfs payload bundled with a Linux kernel that can further choose which kernel to load. USB is not supported (afair), but one might add that - it's just a Linux environment in the end. -- With best wishes Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
