From mboxrd@z Thu Jan 1 00:00:00 1970 From: dianders@chromium.org (Doug Anderson) Date: Mon, 8 Sep 2014 09:12:03 -0700 Subject: Unable to boot mainline on snow chromebook since 3.15 In-Reply-To: <20140908160758.GS26030@arm.com> References: <20140905115704.GO13515@arm.com> <20140905122232.GP13515@arm.com> <540C202E.2060009@collabora.co.uk> <540C7F5B.6070307@gmail.com> <540D481F.8030500@collabora.co.uk> <20140908160758.GS26030@arm.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Will, On Mon, Sep 8, 2014 at 9:07 AM, Will Deacon wrote: > On Mon, Sep 08, 2014 at 04:55:31PM +0100, Doug Anderson wrote: >> So "simple-framebuffer" is added to the device tree here: >> >> https://chromium-review.googlesource.com/#/c/49358/2/board/samsung/smdk5250/smdk5250.c >> >> That's one of the two patches to build your own U-Boot for enabling >> simplefb. You'll notice that's not a super official thing. It's a >> "DO NOT SUBMIT" patch sitting in a gerrit code review server, so I >> wouldn't exactly call it a stable ABI that we can't break. It's not >> something shipping in real products and it's not even landed in a git >> tree (I suppose maybe someone somewhere landed it, but...). > > I just took the uboot image linked to from the chromium.org page here: > > http://www.chromium.org/chromium-os/u-boot-porting-guide/using-nv-u-boot-on-the-samsung-arm-chromebook#TOC-Getting-nv-U-Boot Ah, OK. It's still using the "DO NOT SUBMIT" patchs, but I guess given that there is a binary built up there by a fairly official source... Hrmm. I think Olof is the one that built that. Perhaps he'd be willing to muck with that and see if he can grab the regulators? -Doug