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authorFurquan Shaikh <furquan@google.com>2014-10-10 01:31:02 -0700
committerAaron Durbin <adurbin@google.com>2015-04-04 15:04:18 +0200
commit45e16fc19913224c124cba0ca0ac22e949de9e9a (patch)
treed1e9eec414c7d70107a3a75569c640b777a5be1a
parent834d2b98dea3eb976b41a988d053278d88ce541d (diff)
t132: Enable SMMU translations
BUG=None BRANCH=None TEST=Verified by reading back the value of SMMU_CONFIG register that enable bit is set to 1 Original-Change-Id: Iccc870141f9b9729971bf12119f9f3dae8181a43 Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/222770 Original-Reviewed-by: Olof Johansson <olofj@chromium.org> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Tested-by: Furquan Shaikh <furquan@chromium.org> Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org> (cherry picked from commit a06b36f9003d801709d83a8faed6fc04bb91df1b) Signed-off-by: Aaron Durbin <adurbin@chromium.org> Change-Id: Iae3949940a5a0efa2761542974d5c209178ce397 Reviewed-on: http://review.coreboot.org/9258 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
-rw-r--r--src/soc/nvidia/tegra132/addressmap.c3
-rw-r--r--src/soc/nvidia/tegra132/mc.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra132/addressmap.c b/src/soc/nvidia/tegra132/addressmap.c
index 3df15b7841..a18e1b86dc 100644
--- a/src/soc/nvidia/tegra132/addressmap.c
+++ b/src/soc/nvidia/tegra132/addressmap.c
@@ -188,4 +188,7 @@ void trustzone_region_init(void)
/* Set the carveout region. */
write32(tz_base_mib << 20, &mc->security_cfg0);
write32(tz_size_mib, &mc->security_cfg1);
+
+ /* Enable SMMU translations */
+ write32(MC_SMMU_CONFIG_ENABLE, &mc->smmu_config);
}
diff --git a/src/soc/nvidia/tegra132/mc.h b/src/soc/nvidia/tegra132/mc.h
index c9faa498ac..3ce790022b 100644
--- a/src/soc/nvidia/tegra132/mc.h
+++ b/src/soc/nvidia/tegra132/mc.h
@@ -117,6 +117,8 @@ struct tegra_mc_regs {
};
enum {
+ MC_SMMU_CONFIG_ENABLE = 1,
+
MC_EMEM_CFG_SIZE_MB_SHIFT = 0,
MC_EMEM_CFG_SIZE_MB_MASK = 0x3fff,