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| author | Ley Foon Tan <ley.foon.tan@intel.com> | 2020-11-26 12:01:09 +0800 |
|---|---|---|
| committer | Yau Wai Gan <yau.wai.gan@intel.com> | 2020-12-01 22:26:40 +0800 |
| commit | fb0c8cf963bf93744d1ccbaec8a392109ba44652 (patch) | |
| tree | 4aacb595db9a48ad99e5d872242f6657491aed7f | |
| parent | dd052eacd619bd703015b3536265281b23963f6e (diff) | |
| download | u-boot-socfpga-fb0c8cf963bf93744d1ccbaec8a392109ba44652.tar.gz | |
HSD: #1508430891-5: doc: socfpga: Add secure region change
Add section 3.2 for SDRAM secure region update.
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
| -rw-r--r-- | doc/README.socfpga | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/README.socfpga b/doc/README.socfpga index 4629bfd0e9..77d10e75f2 100644 --- a/doc/README.socfpga +++ b/doc/README.socfpga @@ -69,6 +69,13 @@ Table of Contents Command format: vab addr len Authorize 'len' bytes starting at 'addr' via vendor public key + 3.2 Support SDRAM secure region in U-boot-ATF flow + + First 1 MiB of SDRAM is configured as secure region, other + address spaces are non-secure regions. Only software executing + at secure state EL3 (eg: U-boot SPL) and secure masters are + allowed access to secure region. + 4. Cyclone5 / Arria 5 generating the handoff header files for U-Boot SPL --------------------------------------------------------------------- |