On Mon, Jul 09, 2018 at 11:53:31AM +0900, Yoshihiro Shimoda wrote:
> The TTSEL bit of IMUCTRn register of R-Car Gen3 needs to be set
> unused MMU context number even if uTLBs are disabled
> (The MMUEN bit of IMUCTRn register = 0).
> Since initial values of IMUCTRn.TTSEL on all IPMMU-domains are 0,
The TTSEL bit of IMUCTRn register of R-Car Gen3 needs to be set
unused MMU context number even if uTLBs are disabled
(The MMUEN bit of IMUCTRn register = 0).
Since initial values of IMUCTRn.TTSEL on all IPMMU-domains are 0,
this patch adds a new feature "reserved_context" to reserve IPMMU
context
