RE: [PATCH v5 0/3] Replay Protected Memory Block (RPMB) subsystem

[Avri Altman]

> On Tue, Apr 23, 2024 at 8:42 AM Avri Altman <Avri.Altman@xxxxxxx> wrote:
> >
> > > The OP-TEE driver finds the correct RPMB device to interact with by
> > > iterating over available devices until one is found with a
> > > programmed authentication matching the one OP-TEE is using. This
> > > enables coexisting users of other RPMBs since the owner can be
> > > determined by who knows the authentication key.
> > Devices in plural?
> > I am unaware of any board with multi eMMC devices soldered.
> > Can you refer me to such a platform?
> 
> I'm testing with a Hikey960 (HiSilicon Kirin 620)
> https://www.96boards.org/product/hikey
> It has one soldered eMMC and one removable eMMC.
I used to have that board but with a UFS2.1 version, so I can't really tell.
https://github.com/96boards/documentation/blob/master/consumer/hikey/hikey620/hardware-docs/hardware-user-manual.md#storage
indicating only a single eMMC device and a SD.

Either way, AFAIK there are no production designs that make use of more than a single embedded flash storage.
This goes for both eMMC and UFS.

Thanks,
Avri

> 
> Cheers,
> Jens