Re: [U-Boot] [PATCH] imx: mx7: snvs: Add an SNVS init routine

On 05/04/2018 20:46, Bryan O'Donoghue wrote: > Working with HAB on the i.MX7 we've encountered a case where a board that > successfully authenticates u-boot when booting Linux via OPTEE subsequently > fails to properly bring up the RTC. > > The RTC registers live in the low-power block of the

Re: [U-Boot] [PATCH] imx: mx7: snvs: Add an SNVS init routine

On Fri, Apr 6, 2018 at 6:41 AM, Bryan O'Donoghue wrote: > No, I don't think so. > > HAB can hand off to u-boot with the bit unset and you don't have to have > CONFIG_SECURE_BOOT set in u-boot to install or chain-load a TEE. > > There's no technical requirement that I

Re: [U-Boot] [PATCH] imx: mx7: snvs: Add an SNVS init routine

On 05/04/18 20:29, Fabio Estevam wrote: Hi Bryan, On Thu, Apr 5, 2018 at 3:46 PM, Bryan O'Donoghue wrote: --- a/arch/arm/mach-imx/mx7/soc.c +++ b/arch/arm/mach-imx/mx7/soc.c @@ -180,6 +180,8 @@ int arch_cpu_init(void) isolate_resource(); #endif +

Re: [U-Boot] [PATCH] imx: mx7: snvs: Add an SNVS init routine

Hi Bryan, On Thu, Apr 5, 2018 at 3:46 PM, Bryan O'Donoghue wrote: > --- a/arch/arm/mach-imx/mx7/soc.c > +++ b/arch/arm/mach-imx/mx7/soc.c > @@ -180,6 +180,8 @@ int arch_cpu_init(void) > isolate_resource(); > #endif > > + init_snvs(); Shouldn't this be

Re: [U-Boot] [PATCH] imx: mx7: snvs: Add an SNVS init routine

+ Stefano On 05/04/18 19:46, Bryan O'Donoghue wrote: Working with HAB on the i.MX7 we've encountered a case where a board that successfully authenticates u-boot when booting Linux via OPTEE subsequently fails to properly bring up the RTC. The RTC registers live in the low-power block of the

[U-Boot] [PATCH] imx: mx7: snvs: Add an SNVS init routine

Working with HAB on the i.MX7 we've encountered a case where a board that successfully authenticates u-boot when booting Linux via OPTEE subsequently fails to properly bring up the RTC. The RTC registers live in the low-power block of the Secure Non-Volatile Storage (SNVS) block. The root cause