From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Sat, 30 May 2015 15:25:30 -0400 Subject: [U-Boot] Booting Wandboard through USB In-Reply-To: <5569F63C.4040600@boundarydevices.com> References: <55683580.8060803@bergerie> <20150530164921.GB1728@bill-the-cat> <5569F63C.4040600@boundarydevices.com> Message-ID: <20150530192530.GC1728@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Sat, May 30, 2015 at 10:41:16AM -0700, Eric Nelson wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Hi Tom, > > On 05/30/2015 09:49 AM, Tom Rini wrote: > > On Fri, May 29, 2015 at 11:46:40AM +0200, Vincent Stehl? wrote: > > > >> Hi, > >> > >> Is it still possible to boot u-boot on Wandboard through USB, > >> please? > > > > Not directly. I've been toying with a few ideas but not put any > > into practice yet. The first and possibly simplist would be to > > mimic the USB RNDIS in SPL support am335x uses (see > > am335x_evm_usbspl_defconfig) but I don't know if we have space for > > that. The second would be trying to "fake" things such that for > > imx_usb_loader you can pass both SPL and u-boot.img, and SPL is > > run, inits memory and just exists and then u-boot.img is loaded and > > run, similar to how with the non-SPL case you can use the loader to > > pass in u-boot.imx as well as a kernel, ramdisk, etc, into DDR. > > > > Proof of concepts, patches or just plain old feedback greatly > > appreciated! > > > > This is an old topic and the threading seems to be messed > up in the archive, but I think Michael Trimarchi has a > solution based on inclusion of DFU in the SPL image: > > http://lists.denx.de/pipermail/u-boot/2013-October/165849.html > > I would prefer to see something slimmer if possible, and using > imx_usb has the advantage of only needing a single tool on the > programming host. Ah yes, firing up and letting DFU do the rest is another option I had forgotten about. But I too lean towards something imx_usb can do as that will also make integration into the Freescale factory flashing tool easier I suspect. -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: