[PATCH] crypto: fsl_hash: Remove unnecessary alignment check in caam_hash()

[Fabio Estevam]

Hi Andrey,

On Wed, Jun 8, 2022 at 4:46 AM ZHIZHIKIN Andrey
<andrey.zhizhikin at leica-geosystems.com> wrote:

> > The problem seems to be related to the TF-A version.
> >
> > If I use the older imx_5.4.47_2.2.0 TF-A then the sha256 calculation
> > via CAAM does not fail.
>
> I just tried the imx8mp_evk and with CONFIG_IMX_HAB=y the board
> does not pass the SPL.
>
> I used the upstream TF-A for my build, without HAB support
> enabled the board boots:
> ----
> U-Boot SPL 2022.07-rc4-00003-g9eca6cc66a (Jun 08 2022 - 08:21:41 +0200)
> SEC0:  RNG instantiated
> Normal Boot
> WDT:   Started watchdog at 30280000 with servicing (60s timeout)
> Trying to boot from BOOTROM
> image offset 0x8000, pagesize 0x200, ivt offset 0x0
> NOTICE:  BL31: v2.7(release):v2.7.0-17-g65a5e1c04-dirty
> NOTICE:  BL31: Built : 06:19:26, Jun  8 2022
>
>
> U-Boot 2022.07-rc4-00003-g9eca6cc66a (Jun 08 2022 - 08:21:41 +0200)
>
> CPU:   Freescale i.MX8MP[8] rev1.0 at 1200 MHz
> Reset cause: POR
> Model: NXP i.MX8MPlus EVK board
> DRAM:  6 GiB
> Core:  176 devices, 22 uclasses, devicetree: separate
> WDT:   Started watchdog at 30280000 with servicing (60s timeout)
> MMC:   FSL_SDHC: 1, FSL_SDHC: 2
> Loading Environment from MMC... *** Warning - bad CRC, using default environment
>
> In:    serial at 30890000
> Out:   serial at 30890000
> Err:   serial at 30890000
> SEC0:  RNG instantiated
> Net:   eth0: ethernet at 30be0000, eth1: ethernet at 30bf0000 [PRIME]
> Hit any key to stop autoboot:  0
> u-boot=>
> ----
>
> When HAB in enabled, the only thing that can be observed in the
> console is:
> ----
> U-Boot SPL 2022.07-rc4-00003-g9eca6cc66a-dirty (Jun 08 2022 - 09:40:52 +0200)

My understanding, at least for the i.MX8MM case, is that mainline TF-A
does not support HAB,
so the NXP TF-A should be used if HAB support is required.

Please check:
https://lists.trustedfirmware.org/archives/list/tf-a@lists.trustedfirmware.org/message/5UYYI4CNLQ5OWWHU466JBK6I5QIQ2VRS/

Does the board boot with IMX_HAB=y with NXP TF-A?

Regards,

Fabio Estevam