Hi Peng On Thu, 2019-05-02 at 03:57 +0000, Peng Fan wrote: > Hi Marcel, > > > Subject: Booting imx_4.14.98_2.0.0_ga on i.MX8QM MEK Board > > > > Hi Peng, Stefano and Fabio > > > > We are currently trying to boot the Linux kernel from NXP's > > downstream Linux > > BSP 4.14.98_2.0.0_ga with mainline U-Boot. However, that currently > > seems > > to crash as follows: > > > > ... > > > > Does any of you know what exactly could be going on? > > SMMU is not powered up, so smmu driver probe triggers abort when > accessing > SMMU registers. Need power up SC_R_SMMU.
I see, this is actually done in downstream U-Boot: https://source.codeaurora.org/external/imx/uboot-imx/commit/?h=imx_v2018.03_4.14.98_2.0.0_ga&id=45308e7da90f342c2de7fbec1f8c5b8bd3f1b8e5 Wondering how that is supposed to work with mainline U-Boot at the end. > > BTW: The exact same crash is observed on Apalis iMX8 as well, while > > both the > > i.MX8QXP MEK as well as Colibri iMX8QXP boot that same downstream > > Linux > > kernel just fine. Must be something i.MX 8QuadMax specific... > > There is no SMMU on i.MX8QXP. Funny, at least in downstream U-Boot the same SMMU setup is done (;-p). > Regards, > Peng. Thanks, Peng! > > Cheers > > > > Marcel Cheers Marcel _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot