From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Date: Mon, 20 Oct 2014 20:23:20 -0600 Subject: [U-Boot] [PATCH 0/4] dm: rpi: Move Raspberry Pi to use driver model In-Reply-To: References: <1411428659-6823-1-git-send-email-sjg@chromium.org> <542B5BBB.1010501@wwwdotorg.org> <5441D5C2.8010903@wwwdotorg.org> Message-ID: <5445C398.3080501@wwwdotorg.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 10/19/2014 09:14 PM, Simon Glass wrote: > Hi Stephen, > > On 17 October 2014 20:51, Stephen Warren wrote: >> On 09/30/2014 07:41 PM, Stephen Warren wrote: >>> On 09/22/2014 05:30 PM, Simon Glass wrote: >>>> This series adds driver model support to the GPIO and serial drivers used >>>> by Raspberry Pi, and moves Raspberry Pi over to driver model. >>>> >>>> This requires adding driver model support to the pl01x serial driver, and >>>> replacing the bcm2835 GPIO driver with a driver model version (since there >>>> are no longer clients that don't use driver model). >>>> >>>> See u-boot-dm.git branch rpi-working for the tree this is based on. >>> >>> The series, >>> Tested-by: Stephen Warren >> >> Hmm. I take that back. Patch 4 causes a problem, at least when applied >> on top of u-boot/master from today. >> >> Basic serial output works just fine, and I can interact with U-Boot >> without issue. However, when the boot scripts execute and load an >> extlinux.conf, U-Boot hangs. Up to patch 3, everything is fine. >> >> U-Boot 2014.10-00004-g7830ed7 (Oct 17 2014 - 20:47:19) >> >> DRAM: 480 MiB >> WARNING: Caches not enabled >> MMC: bcm2835_sdhci: 0 >> Using default environment >> >> In: serial >> Out: lcd >> Err: lcd >> reading /uEnv.txt >> 24 bytes read in 14 ms (1000 Bytes/s) >> Hit any key to stop autoboot: 0 >> switch to partitions #0, OK >> mmc0 is current device >> Scanning mmc 0... >> Found /extlinux/extlinux.conf >> Retrieving file: /extlinux/extlinux.conf >> reading /extlinux/extlinux.conf >> (U-Boot hangs here) >> > > Can you please point me to where I can get an image to try this with? > Also did you check with dm/next? There may be dependent patches, > although the nature of the problem suggests not. I use (a pretty old version of, but I doubt that matters) RPi Foundation's Raspbian image, and compiled the kernel and U-Boot according to: http://elinux.org/index.php?title=RPi_Upstream_Kernel_Compilation&oldid=351104 http://elinux.org/RPi_U-Boot