Re: [PATCH v4] tee: optee: rework TA bus scanning code

On Mon, 26 Sept 2022 at 09:06, Sumit Garg wrote: > > On Fri, 23 Sept 2022 at 11:16, Etienne Carriere > wrote: > > > > Hello Sumit, > > > > > > On Thu, 22 Sept 2022 at 12:15, Sumit Garg wrote: > > > > > > On Thu, 22 Sept 2022 at 14:22, Etienne Carriere > > > wrote: > > > > > > > > Hello Patrick

Re: [PATCH v4] tee: optee: rework TA bus scanning code

On Fri, 23 Sept 2022 at 11:16, Etienne Carriere wrote: > > Hello Sumit, > > > On Thu, 22 Sept 2022 at 12:15, Sumit Garg wrote: > > > > On Thu, 22 Sept 2022 at 14:22, Etienne Carriere > > wrote: > > > > > > Hello Patrick and all, > > > > > > On Mon, 19 Sept 2022 at 16:49, Patrick DELAUNAY > > >

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hello Sumit, On Thu, 22 Sept 2022 at 12:15, Sumit Garg wrote: > > On Thu, 22 Sept 2022 at 14:22, Etienne Carriere > wrote: > > > > Hello Patrick and all, > > > > On Mon, 19 Sept 2022 at 16:49, Patrick DELAUNAY > > wrote: > > > > > > > > > Hi Simon, > > > > > > On 9/12/22 20:31, Simon Glass

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi, On 9/22/22 13:27, Simon Glass wrote: Hi Etienne, On Thu, 22 Sept 2022 at 10:52, Etienne Carriere wrote: Hello Patrick and all, On Mon, 19 Sept 2022 at 16:49, Patrick DELAUNAY wrote: Hi Simon, On 9/12/22 20:31, Simon Glass wrote: Hi Ilias, On Wed, 7 Sept 2022 at 15:32, Ilias

Re: [PATCH v4] tee: optee: rework TA bus scanning code

On Thu, 22 Sept 2022 at 13:27, Simon Glass wrote: > > Hi Etienne, > > On Thu, 22 Sept 2022 at 10:52, Etienne Carriere > wrote: > > > > Hello Patrick and all, > > > > On Mon, 19 Sept 2022 at 16:49, Patrick DELAUNAY > > wrote: > > > > > > > > > Hi Simon, > > > > > > On 9/12/22 20:31, Simon Glass

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi Etienne, On Thu, 22 Sept 2022 at 10:52, Etienne Carriere wrote: > > Hello Patrick and all, > > On Mon, 19 Sept 2022 at 16:49, Patrick DELAUNAY > wrote: > > > > > > Hi Simon, > > > > On 9/12/22 20:31, Simon Glass wrote: > > > Hi Ilias, > > > > > > On Wed, 7 Sept 2022 at 15:32, Ilias

Re: [PATCH v4] tee: optee: rework TA bus scanning code

On Thu, 22 Sept 2022 at 14:22, Etienne Carriere wrote: > > Hello Patrick and all, > > On Mon, 19 Sept 2022 at 16:49, Patrick DELAUNAY > wrote: > > > > > > Hi Simon, > > > > On 9/12/22 20:31, Simon Glass wrote: > > > Hi Ilias, > > > > > > On Wed, 7 Sept 2022 at 15:32, Ilias Apalodimas > > >

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hello Patrick and all, On Mon, 19 Sept 2022 at 16:49, Patrick DELAUNAY wrote: > > > Hi Simon, > > On 9/12/22 20:31, Simon Glass wrote: > > Hi Ilias, > > > > On Wed, 7 Sept 2022 at 15:32, Ilias Apalodimas > > wrote: > >> Hi Simon, > >> > >> On Thu, 8 Sept 2022 at 00:11, Simon Glass wrote: > >>>

[PATCH v4] tee: optee: rework TA bus scanning code

Hi Simon, On 9/12/22 20:31, Simon Glass wrote: Hi Ilias, On Wed, 7 Sept 2022 at 15:32, Ilias Apalodimas wrote: Hi Simon, On Thu, 8 Sept 2022 at 00:11, Simon Glass wrote: Hi Ilias, On Tue, 6 Sept 2022 at 15:23, Ilias Apalodimas wrote: Hi Simon, On Tue, Sep 06, 2022 at 03:18:28PM

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi Simon, > > > > > > > > > > > > Late versions of OP-TEE support a pseudo bus. TAs that behave as > > > > > > hardware blocks (e.g TPM, RNG etc) present themselves on a bus > > > > > > which we can > > > > > > scan. Unfortunately U-Boot doesn't support that yet. It's worth > > > > > > noting

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi Ilias, On Wed, 7 Sept 2022 at 15:32, Ilias Apalodimas wrote: > > Hi Simon, > > On Thu, 8 Sept 2022 at 00:11, Simon Glass wrote: > > > > Hi Ilias, > > > > On Tue, 6 Sept 2022 at 15:23, Ilias Apalodimas > > wrote: > > > > > > Hi Simon, > > > > > > On Tue, Sep 06, 2022 at 03:18:28PM -0600,

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi Simon, On Thu, 8 Sept 2022 at 00:11, Simon Glass wrote: > > Hi Ilias, > > On Tue, 6 Sept 2022 at 15:23, Ilias Apalodimas > wrote: > > > > Hi Simon, > > > > On Tue, Sep 06, 2022 at 03:18:28PM -0600, Simon Glass wrote: > > > Hi, > > > > > > On Tue, 6 Sept 2022 at 03:37, Ilias Apalodimas > > >

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi Ilias, On Tue, 6 Sept 2022 at 15:23, Ilias Apalodimas wrote: > > Hi Simon, > > On Tue, Sep 06, 2022 at 03:18:28PM -0600, Simon Glass wrote: > > Hi, > > > > On Tue, 6 Sept 2022 at 03:37, Ilias Apalodimas > > wrote: > > > > > > Late versions of OP-TEE support a pseudo bus. TAs that behave as

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi Simon, On Tue, Sep 06, 2022 at 03:18:28PM -0600, Simon Glass wrote: > Hi, > > On Tue, 6 Sept 2022 at 03:37, Ilias Apalodimas > wrote: > > > > Late versions of OP-TEE support a pseudo bus. TAs that behave as > > hardware blocks (e.g TPM, RNG etc) present themselves on a bus which we can > >

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi, On Tue, 6 Sept 2022 at 03:37, Ilias Apalodimas wrote: > > Late versions of OP-TEE support a pseudo bus. TAs that behave as > hardware blocks (e.g TPM, RNG etc) present themselves on a bus which we can > scan. Unfortunately U-Boot doesn't support that yet. It's worth noting > that we

Re: [PATCH v4] tee: optee: rework TA bus scanning code

Hi, On 9/6/22 11:37, Ilias Apalodimas wrote: Late versions of OP-TEE support a pseudo bus. TAs that behave as hardware blocks (e.g TPM, RNG etc) present themselves on a bus which we can scan. Unfortunately U-Boot doesn't support that yet. It's worth noting that we already have a workaround

[PATCH v4] tee: optee: rework TA bus scanning code

Late versions of OP-TEE support a pseudo bus. TAs that behave as hardware blocks (e.g TPM, RNG etc) present themselves on a bus which we can scan. Unfortunately U-Boot doesn't support that yet. It's worth noting that we already have a workaround for RNG. The details are in commit 70812bb83da6