[U-Boot] [PATCH 0/4] Add LS1021A-QDS/TWR Non-secure and HYP support.

Diana Craciun diana.craciun at freescale.com
Thu Jul 3 13:14:08 CEST 2014


On 07/03/2014 12:51 PM, Xiubo Li wrote:
> This patch series depends on the following patch:
>
> [U-Boot,v4,03/10] ARM: non-sec: reset CNTVOFF to zero
>
> Before switching to non-secure, make sure that CNTVOFF is set
> to zero on all CPUs. Otherwise, kernel running in non-secure
> without HYP enabled (hence using virtual timers) may observe

But we have HYP enabled. In this case why are the series dependent on 
this patch?

> timers that are not synchronized, effectively seeing time
> going backward...
>
>
>
> Patch work:
> http://patchwork.ozlabs.org/patch/343084/
>
>
>
>
>
> Xiubo Li (4):
>    ARM: fix the ARCH Timer frequency setting.
>    ARM: add the pen address byte reverting support.
>    ARM: LS1021A: enable ARMv7 virt support for LS1021A A7
>    ARM: LS1021A: to allow non-secure R/W access for all devices' mapped
>      region
>
>   arch/arm/cpu/armv7/ls102xa/cpu.c                  |  12 +++
>   arch/arm/cpu/armv7/nonsec_virt.S                  |   7 +-
>   arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h |  98 +++++++++++++++++--
>   board/freescale/ls1021aqds/ls1021aqds.c           | 110 +++++++++++++++++++--
>   board/freescale/ls1021atwr/ls1021atwr.c           | 111 ++++++++++++++++++++--
>   include/configs/ls1021aqds.h                      |   9 ++
>   include/configs/ls1021atwr.h                      |   9 ++
>   7 files changed, 333 insertions(+), 23 deletions(-)

Diana



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