On Thu, Aug 19, 2021 at 04:53:11PM +0100, Peter Hoyes wrote: > From: Peter Hoyes <[email protected]> > > Armv8r64 is the first Armv8 platform that only has a PMSA at the > current exception level. The architecture supplement for Armv8r64 > describes new fields in ID_AA64MMFR0_EL1 which can be used to detect > whether a VMSA or PMSA is present. These fields are RES0 on Armv8a. > > Add logic to read these fields and, for the protection of the memory > used by U-Boot, initialize the MPU instead of the MMU during init, then > clear the MPU regions before transition to the next stage. > > Provide a default (blank) MPU memory map, which can be overridden by > board configurations. > > Signed-off-by: Peter Hoyes <[email protected]>
Applied to u-boot/next, thanks! -- Tom
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