On Thu, Apr 28, 2016 at 03:40:45PM +0200, Marek Vasut wrote: > On 04/28/2016 03:36 PM, Stefano Babic wrote: > > Hi Marek, > > > > On 28/04/2016 13:03, Marek Vasut wrote: > >> On 04/28/2016 07:59 AM, Stefano Babic wrote: > >>> Hi Marek, > >>> > >>> On 28/04/2016 04:24, Peng Fan wrote: > >>>> Hi Marek, > >>>> > >>>> On Thu, Apr 28, 2016 at 01:06:07AM +0200, Marek Vasut wrote: > >>>>> Enable support for booting U-Boot image from filesystem instead of some > >>>>> random offset on the SD card. This makes the board usable by putting the > >>>>> u-boot.img to first partition of the SD card and writing the SPL this > >>>>> way: > >>>>> $ dd if=u-boot-with-spl.imx of=/dev/sdX seek=2 bs=512 > >>>> > >>>> I once want to enable this for i.MX6UL, but was rejected. > >>>> Anyway I prefer load u-boot.img from filesystem. > >>>> > >>> > >>> Right - we have this discussion some times ago. The agreement we reach > >>> was to maintain SPL loading only from a raw image. > >>> > >>> https://www.mail-archive.com/u-boot@lists.denx.de/msg185432.html > >> > >> The feeling I get from the discussion you linked above and the > >> discussion here is that because user can be an idiot and delete > >> files at random, we should move back to the 80s > > > > No U-Boot in the 80s. > > > >> and store files > >> like on the casette tapes, at random offset. User can also delete > >> kernel image and yet, we store it on the filesystem. Maybe we should > >> also store the kernel image at another raw offset ... and hey, maybe > >> we should ditch filesystem altogether, just tar everything up and > >> store it at yet another offset, since user might delete files at > >> random, just imaging he'd delete libc ... > > > > wandboard has a market quite similar to the Raspi and yes, there is a > > lot of inexperienced people using it. > > Shall I prepare a patch which places kernel to yet another ad-hoc > location on the SD card then and tweak bootargs to use cramfs then?
Users bricking their devices is a real problem. I don't object to adding support for many ways of doing things (we have it on TI boards today) enabled, but saying there's no use case nor reason to do non-FS installs is also missing the mark. -- Tom
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