From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Thu, 28 Apr 2016 15:40:45 +0200 Subject: [U-Boot] [PATCH] ARM: mx6: Enable MMC FS boot support In-Reply-To: <572211C3.5040601@denx.de> References: <1461798367-9723-1-git-send-email-marex@denx.de> <20160428021647.GA31323@linux-7smt.suse> <5721A6B7.202@denx.de> <5721EE0B.80907@denx.de> <572211C3.5040601@denx.de> Message-ID: <572212DD.6060607@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 at 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? -- Best regards, Marek Vasut