Hi Thierry,

Thierry Reding <[email protected]> wrote @ Wed, 26 Jun 2013 12:06:49 
+0200:
...
> I'm not entirely sure where to find these mappings in the TRM. I see
> that there's a list of the groups in 15.10.11, but where do the numbers
> come from?

To convert swgroup ID bit to register address,

#define HWGRP_ASID_REG(x) ((x) * sizeof(u32) + SMMU_AFI_ASID)

in "[PATCH 15/23] iommu/tegra: smmu: Calculate ASID register offset by ID"

> And why are some of the names aliased? If it's for
> readability only maybe we could add some more for SWGID_HC ->
> SWGID_HOST1X and perhaps SWGID_NV -> SWGID_GR3D.

I used the exact same name from TRM register definition. I thought
that same naming in TRM may be better since this bit is converted to
register, but I'm quite open to rename if needed.
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