Stephen Warren wrote @ Fri, 1 Nov 2013 17:54:37 +0100:
> On 10/31/2013 02:17 AM, Hiroshi Doyu wrote:
> > Stephen Warren wrote @ Wed, 30 Oct 2013 23:33:32
> > +0100:
> ...
> > Right.
> > "memory client ID" is used to find out MC_SMMU__ASID_0
> > register. This register is used to associate to a
Stephen Warren wrote @ Fri, 1 Nov 2013 18:05:09 +0100:
> > What are the requirements for Tegra? If the IOMMU isn't initialised, does it
> > act as a passthrough?
>
> I believe so, yes. In particular we have the following register bits:
>
> 1) Register bit AHB_ARBITRATION_XBAR_CTRL_SMMU_INIT_DON
Stephen Warren wrote @ Fri, 1 Nov 2013 22:45:19 +0100:
> On 11/01/2013 03:59 AM, Hiroshi Doyu wrote:
> ...
> > One idea is that, rather than inserting a hook(function) per
> > subsystems in driver core, if we invent a new /special section/ which
> > collects all hooks in sequence like initcalls,