> Subject: [BISECTED] [BUG]: MMC initialization hang at Zynq Z-turn board > > Hello, > > I am running Zynq Z-turn board and I face the following issue with MMC > initialization in SPL. > With u-boot master, I see the message similar to the following: > > U-Boot SPL 2019.07-00352-gb5f3eb3393 (Jul 31 2019 - 20:03:42 +0300) mmc > boot Trying to boot from MMC1 > > Then, the u-boot waits forever. I've tried to add debug prints and found that > execution is stalled somewhere inside mmc_init(). > Using bisect I've found that the following broken commit is the following:
https://gitlab.denx.de/u-boot/custodians/u-boot-mmc/commit/41a9fab8dac841afb70a059668abaf14d47cdf59 Would this patch help? Regards, Peng. > > commit 3d296365e4e8823c7c0d4b568fa7accfae4bf895 (refs/bisect/bad) > Author: Faiz Abbas <faiz_ab...@ti.com> > Date: Tue Jun 11 00:43:34 2019 +0530 > > mmc: sdhci: Add support for sdhci-caps-mask > > Add Support for masking some bits in the capabilities > register of a host controller. > > Also remove the redundant readl() into caps1. > > Signed-off-by: Faiz Abbas <faiz_ab...@ti.com> > Reviewed-by: Tom Rini <tr...@konsulko.com> > > Until that commit the behavior was the following: > > U-Boot SPL 2019.07-00351-g889a4dfc55 (Jul 31 2019 - 20:01:41 +0300) mmc > boot Trying to boot from MMC1 > spl_load_image_fat_os: error reading image system.dtb, err - -2 > spl_load_image_fat: error reading image u-boot.img, err - -2 > SPL: failed to boot from all boot devices ### ERROR ### Please RESET the > board ### > > There were no u-boot.img at the SD card while testing, so this error message > is expected here. > 5456935a1da3 ("ARM: zynq: Add configuration for Z-turn board") was applied > at the top of every testing commit to allow the board initialization in SPL. > > What could be wrong with that commit and how could I fix the board? > > -- > With best regards, > Matwey V. Kornilov _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
