MMC on I.MX7/8MM break on U-Boot 2020.01-00630-gad647690b1

[Fabio Estevam]

Hi Joris,

Thanks for reporting the regression.

Adding Angelo.

On Sun, Jan 26, 2020 at 8:38 AM Joris Offouga <offougajoris at gmail.com> wrote:
>
> Hi Tom
>
> I tested latest U-Boot master and it looks like commit 1526bcce (common:
> add blkcache init)[1] breaks load environment in mmc on my Pico-imx7d,
> imx7dsabre and imx8mm-evk:
>
> see logs after:
>
> U-Boot 2020.01-00731-g40521a6c90-dirty (Jan 26 2020 - 12:12:49 +0100)
>
> CPU:   Freescale i.MX7D rev1.2 1000 MHz (running at 792 MHz)
> CPU:   Commercial temperature grade (0C to 95C) at 29C
> Reset cause: POR
> Model: TechNexion PICO-IMX7D Board and PI baseboard
> Board: i.MX7D PICOSOM
> I2C:   ready
> DRAM:  512 MiB
> PMIC:  PFUZE3000 DEV_ID=0x30 REV_ID=0x11
> MMC:   FSL_SDHC: 2, FSL_SDHC: 1, FSL_SDHC: 0
> Loading Environment from MMC... data abort
> pc : [<9feb0d4e>]       lr : [<9feab5e5>]
> reloc pc : [<8781ad4e>]       lr : [<878155e5>]
> sp : 9de8ac60  ip : 00000002     fp : 9fef3d1c
> r10: 00000000  r9 : 9de95ea0     r8 : 00000000
> r7 : 00000006  r6 : feffff7f     r5 : 9fefb620  r4 : feffff7f
> r3 : ffffefff  r2 : 62168365     r1 : 00000000  r0 : 00000006
> Flags: NzCv  IRQs off  FIQs off  Mode SVC_32 (T)
> Code: 3b01 f8cb 3008 4634 (6836) e7df
> Resetting CPU ...
>
> resetting ...
>
> after revert it :
>
> U-Boot SPL 2020.01-00732-g80dd068886-dirty (Jan 26 2020 - 12:19:49 +0100)
> Trying to boot from USB SDP
> SDP: initialize...
> SDP: handle requests...
> Downloading file of size 482142 to 0x877fffc0... done
> Jumping to header at 0x877fffc0
> Header Tag is not an IMX image
>
> -Boot 2020.01-00732-g80dd068886-dirty (Jan 26 2020 - 12:19:49 +0100)
>
> CPU:   Freescale i.MX7D rev1.2 1000 MHz (running at 792 MHz)
> CPU:   Commercial temperature grade (0C to 95C) at 40C
> Reset cause: POR
> Model: TechNexion PICO-IMX7D Board and PI baseboard
> Board: i.MX7D PICOSOM
> I2C:   ready
> DRAM:  512 MiB
> PMIC:  PFUZE3000 DEV_ID=0x30 REV_ID=0x11
> MMC:   FSL_SDHC: 2, FSL_SDHC: 1, FSL_SDHC: 0
> Loading Environment from MMC... OK
> In:    serial
> Out:   serial
> Err:   serial
> Net:   eth0: ethernet at 30be0000
> Hit any key to stop autoboot:  0
>
> So, can you consider this commit 'not applicable' for next release ?
>
> [1]
> https://gitlab.denx.de/u-boot/u-boot/commit/1526bcce0f7285087621e16e6720636d01839da8
>
> Best regards,
>
> Joris Offouga
>