RE: [EXT] Re: [PATCH v17 0/7] firmware: imx: driver for NXP secure-enclave

Pankaj Gupta
2025-07-31T08:00:46Z

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> > On Wed, Jul 09, 2025 at 10:23:45AM +0000, Pankaj Gupta wrote:
> >>>>> Hi Shawn,
> >>>>>
> >>>>> To test it on MX93, you need additional patches on top of these.
> >>>>>
> >>>>> The plan was to send the next patch-set to enable the support for
> >>>>> MX93, once these got merged.
> >>>>>
> >>>>> If you suggest, I can share the patche-set to enable MX93, as an
> >>>>> attachment to you only.
> >>
> >>>> Yes, please. I would like to test the driver before it gets
> >>>> merged,
> >> thanks!
> >>
> >>> Please find attached the patches for enabling iMX93.
> >>
> >>> I have also sent v18 to dispose off the comments:
> >>> 1. documentation,
> >>> 2. updating the commit message with collected reviewed by tags.
> >>
> >> Are you able to test the driver on i.MX93?
> >> Any help needed?
>
> > I did not expect those additional patches (except i.MX93 DTS
> > changes) for testing the series on i.MX93. So, no, I didn't test,
sorry!
>
> List of Patches:
> 0001: is required to call "init_fw" API, for SoC i.XM9x.
> 0002: i.MX93 do not have CAAM, ELE's RNG needs to be started, post
init_fw.
> 0003: iMX93 do not have CAAM, hence (T)RNG & hwrng, need to enabled via
> ELE.
> 0004: enforce message sequence flow to prevent any message exchange out
> of
> sequence. Required by power management API(s).
> 0005: additional API(s) required by Linux kernel management layers like
> NVMEM & power management.
> 0006: EXPORTED API to be used by other kernel management layers.
> 0007 & 0008: are DTSI & DTS changes.
>
>
> 1. If you add DTSI & DTS changes, i.MX93 board will come up with driver
> successfully probed.
> Logs:
> root@imx93evk:~# dmesg | grep fsl-se
> [ 1.414748] fsl-se secure-enclave: assigned reserved memory node
> memory@a4120000
> [ 1.427195] fsl-se secure-enclave: i.MX secure-enclave: hsm0 interface
to
> firmware, configured.

@Shawn: Are you able to test it till here.

Anyone who can help test this patch-set on i.MX8ULP; and help provide the
"tested-by".
Thanks.

>
> root@imx93evk:~# ele_hsm_test --info
>
> SAB Error: SAB CMD [0x10] Resp [0x1329] - Unknown error code
>
> hsm_open_session failed err:0x13
>
> 2. If you want to use ELE test, you need to apply patches: 0001 & 0002.
>
> Logs:
> root@imx93evk:~# dmesg | grep fsl-se
> [ 1.414748] fsl-se secure-enclave: assigned reserved memory node
> memory@a4120000
> [ 1.427195] fsl-se secure-enclave: i.MX secure-enclave: hsm0 interface
to
> firmware, configured.
> root@imx93evk:~# ele_hsm_test --info
> hsm_open_session PASS 0x376ace9e
> -----------------------------------------------------------
> Global Info:
> -----------------------------------------------------------
> i.MX93 A2
> Open Lifecycle
> Fips mode 0x0
> LIB Version: 1.1.1
> NVM Version: 1.1.1
> Build ID: 4060004597fe1bf9e84ec0804b98d855f1ed0e13
> -----------------------------------------------------------
> hsm_close_session[0] ret:0x0
>
>
> > Shawn

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