From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Brugger Date: Wed, 17 Jul 2019 09:19:55 +0200 Subject: [U-Boot] rpi2: u-boot misaligned operation In-Reply-To: <42c3dc42d472b96cc2c7725877c721d0@unixzen.com> References: <7f77bd70-d4c3-6a33-4066-486b6f655ed1@gmail.com> <4ba7629d0cc14f64e4c5962892007fc9@unixzen.com> <42c3dc42d472b96cc2c7725877c721d0@unixzen.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 29/06/2019 04:00, Alexander von Gluck IV wrote: > June 28, 2019 8:49 PM, "Alexander von Gluck IV" wrote: >> June 26, 2019 3:22 AM, "Matthias Brugger" wrote: >> >>> On 25/06/2019 02:42, Alexander von Gluck IV wrote: >>> >>>> Was rebuilding u-boot binary for the Raspberry Pi 2 (from master), and ran into the following >>>> issue: >>>> " >>>> U-Boot 2019.07-rc4-00179-g77f6e2dd05 (Jun 24 2019 - 14:25:14 -0500) >>>> >>>> DRAM: 128 MiB >>>> RPI 2 Model B (0xa21041) >>>> MMC: sdhci at 7e300000: 0 >>>> Loading Environment from FAT... *** Warning - bad CRC, using default environment >>>> >>>> mbox: Header response code invalid >>>> bcm2835: Could not configure display >>>> In: serial >>>> Out: vidconsole >>>> Err: vidconsole >>>> Net: CACHE: Misaligned operation at range [07fdb6e8, 07fdb700] >>>> CACHE: Misaligned operation at range [07fdb6e8, 07fdb700] >>>> CACHE: Misaligned operation at range [07fdb6e8, 07fdb700] >>>> CACHE: Misaligned operation at range [07fdb6e8, 07fdb700] >>>> CACHE: Misaligned operation at range [07fdb6e8, 07fdb700] >>>> CACHE: Misaligned operation at range [07fdb6e8, 07fdb700] >>>> . >>>> . >>>> . >>>> " >>>> >>>> git commit: 77f6e2dd0551d8a825bab391a1bd6b838874bcd4 >>>> Anyone seen this before? >>>> >>>> Thanks! >>> >>> Can you try to git-bisect between: >>> git bisect good e4afcb2876eeeddd2376c8b07808276b75862498 >>> git bisect bad 3950f0f8563acab248214df36053bb6c57b91940 >>> >>> I suppose that the one I marked as good actually works. :) >> >> e4afcb2876eeeddd2376c8b07808276b75862498 is actually bad. >> 7e2ae620e15ef578b8f2812ec21ec07fae6c1e2f is bad (3 months ago) >> 91e1bc53c4b61cd7b871d485f4c136084245e9a2 is bad >> >> I can't build before 91e1bc53c4b61cd7b871d485f4c136084245e9a2 due to libfdt >> incompatibilities :-| >> >> *however* I found an old u-boot for the rpi2 build in 2017 >> (which i'm pretty sure worked) >> (ebca2083d3689c77c7d1365f1e6862b55abef8a2) >> >> U-Boot 2017.11-00023-gebca2083d3 (Nov 17 2017 - 09:00:41 -0600) >> >> DRAM: 128 MiB >> RPI 2 Model B (0xa21041) >> MMC: sdhci at 7e300000: 0 >> *** Warning - bad CRC, using default environment >> >> mbox: Header response code invalid >> bcm2835: Could not configure display >> In: serial >> Out: vidconsole >> Err: vidconsole >> Net: CACHE: Misaligned operation at range [07fb3f64, 07fb3f80] >> CACHE: Misaligned operation at range [07fb3f64, 07fb3f80] >> CACHE: Misaligned operation at range [07fb3f64, 07fb3f80] >> CACHE: Misaligned operation at range [07fb3f64, 07fb3f80] >> CACHE: Misaligned operation at range [07fb3f64, 07fb3f80] >> CACHE: Misaligned operation at range [07fb3f64, 07fb3f80] >> CACHE: Misaligned operation at range [07fb3f64, 07fb3f80] >> >> This one was even built with our own toolchain before >> we began to rely on host toolchains. >> >> The big difference in the room is the pre-u-boot loaders >> from the pi foundation. We're using their latest: >> >> https://github.com/raspberrypi/firmware/tree/master/boot >> >> I reverted bootloader.bin and start.elf from 2017: >> https://github.com/raspberrypi/firmware/blob/dc93c7922bb31f20759a94a6e000299da8e331e3/boot/start.elf >> https://github.com/raspberrypi/firmware/blob/dc93c7922bb31f20759a94a6e000299da8e331e3/boot/bootcode. >> in >> >> And it now works :-| > > Raised to the Raspberry Pi folks here: > https://github.com/raspberrypi/firmware/issues/1164 > > Maybe they'll have some insight. > That should be fixed in newer versions of the firmware. Another possibility is to try this patch on top of your u-boot: https://patchwork.ozlabs.org/patch/1130837/ Regards, Matthias