[PATCH v2] arm: mach-k3: arm64-mmu: do not map ATF and OPTEE regions in A53 MMU
Tom Rini
trini at konsulko.com
Thu Jun 1 21:48:19 CEST 2023
On Fri, May 12, 2023 at 05:28:52PM +0530, kamlesh at ti.com wrote:
> From: Kamlesh Gurudasani <kamlesh at ti.com>
>
> ATF and OPTEE regions may be firewalled from non-secure entities.
> If we still map them for non-secure A53, speculative access may happen,
> which will not cause any faults and related error response will be ignored,
> but it's better to not to map those regions for non-secure A53 as there
> will be no actual access at all.
>
> Create separate table as ATF region is at different locations for am64
> and am62/am62a.
>
> Signed-off-by: Kamlesh Gurudasani <kamlesh at ti.com>
Applied to u-boot/next, thanks!
--
Tom
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