diff options
Diffstat (limited to 'include/soc/tegra')
| -rw-r--r-- | include/soc/tegra/mc.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h index dd26505464c2..9da4ef52ce30 100644 --- a/include/soc/tegra/mc.h +++ b/include/soc/tegra/mc.h @@ -26,12 +26,20 @@ struct tegra_mc_timing { struct tegra_mc_client { unsigned int id; const char *name; - unsigned int swgroup; + /* + * For Tegra210 and earlier, this is the SWGROUP ID used for IOVA translations in the + * Tegra SMMU, whereas on Tegra186 and later this is the ID used to override the ARM SMMU + * stream ID used for IOVA translations for the given memory client. + */ + union { + unsigned int swgroup; + unsigned int sid; + }; unsigned int fifo_size; struct { - /* Tegra SMMU enable */ + /* Tegra SMMU enable (Tegra210 and earlier) */ struct { unsigned int reg; unsigned int bit; @@ -44,6 +52,12 @@ struct tegra_mc_client { unsigned int mask; unsigned int def; } la; + + /* stream ID overrides (Tegra186 and later) */ + struct { + unsigned int override; + unsigned int security; + } sid; } regs; }; |