Re: [U-Boot] [PATCH 0/2] Fix CAAM for TrustZone enable for warp7

2018-01-25 Thread Bryan O'Donoghue
On 25/01/18 09:14, Auer, Lukas wrote: On Wed, 2018-01-24 at 19:41 +, Bryan O'Donoghue wrote: On 24/01/18 17:41, Auer, Lukas wrote: Thanks for adding me to the CC list. I have experienced the same thing regarding the dec0 registers. However, I don't understand why you want to detect

Re: [U-Boot] [PATCH 0/2] Fix CAAM for TrustZone enable for warp7

2018-01-25 Thread Auer, Lukas
On Wed, 2018-01-24 at 19:41 +, Bryan O'Donoghue wrote: > > On 24/01/18 17:41, Auer, Lukas wrote: > > Thanks for adding me to the CC list. > > I have experienced the same thing regarding the dec0 registers. > > However, I don't understand why you want to detect secure mode in > > the > >

Re: [U-Boot] [PATCH 0/2] Fix CAAM for TrustZone enable for warp7

2018-01-24 Thread Bryan O'Donoghue
On 24/01/18 17:41, Auer, Lukas wrote: Thanks for adding me to the CC list. I have experienced the same thing regarding the dec0 registers. However, I don't understand why you want to detect secure mode in the kernel driver to skip RNG instantiation instead of instantiating all RNG state

Re: [U-Boot] [PATCH 0/2] Fix CAAM for TrustZone enable for warp7

2018-01-24 Thread Auer, Lukas
On Wed, 2018-01-24 at 14:35 +, Bryan O'Donoghue wrote: > > On 24/01/18 12:52, Auer, Lukas wrote: > > On Tue, 2018-01-23 at 21:10 +, Bryan O'Donoghue wrote: > > > This series is the u-boot fix to a problem we encountered when > > > enabling > > > OPTEE/TrustZone on the WaRP7. The symptom

Re: [U-Boot] [PATCH 0/2] Fix CAAM for TrustZone enable for warp7

2018-01-24 Thread Auer, Lukas
On Tue, 2018-01-23 at 21:10 +, Bryan O'Donoghue wrote: > This series is the u-boot fix to a problem we encountered when > enabling > OPTEE/TrustZone on the WaRP7. The symptom is once TrustZone is > activated > the first page of CAAM registers becomes read-only, read-zero from > the >

Re: [U-Boot] [PATCH 0/2] Fix CAAM for TrustZone enable for warp7

2018-01-24 Thread Bryan O'Donoghue
On 24/01/18 12:52, Auer, Lukas wrote: On Tue, 2018-01-23 at 21:10 +, Bryan O'Donoghue wrote: This series is the u-boot fix to a problem we encountered when enabling OPTEE/TrustZone on the WaRP7. The symptom is once TrustZone is activated the first page of CAAM registers becomes read-only,

Re: [U-Boot] [PATCH 0/2] Fix CAAM for TrustZone enable for warp7

2018-01-24 Thread Ryan Harkin
On 23 January 2018 at 21:10, Bryan O'Donoghue wrote: > This series is the u-boot fix to a problem we encountered when enabling > OPTEE/TrustZone on the WaRP7. The symptom is once TrustZone is activated > the first page of CAAM registers becomes read-only, read-zero

[U-Boot] [PATCH 0/2] Fix CAAM for TrustZone enable for warp7

2018-01-23 Thread Bryan O'Donoghue
This series is the u-boot fix to a problem we encountered when enabling OPTEE/TrustZone on the WaRP7. The symptom is once TrustZone is activated the first page of CAAM registers becomes read-only, read-zero from the perspective of Linux and other non TrustZone contexts. Offlining the problem with