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author | Ley Foon Tan <ley.foon.tan@intel.com> | 2020-11-26 12:01:09 +0800 |
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committer | Ley Foon Tan <ley.foon.tan@intel.com> | 2020-11-26 12:01:09 +0800 |
commit | 3adc2a32e299cbd92a6d735c5f0e72adb59a4606 (patch) | |
tree | 631d70c093b457438e324623e80b6a75b405f4b3 | |
parent | ccdd2dd28c759c2a40504eb0eab38cc6467e26ac (diff) | |
download | u-boot-socfpga-rel_socfpga_v2020.07_20.12.02_pr.tar.gz |
HSD: #1508430891-5: doc: socfpga: Add secure region changerel_socfpga_v2020.07_20.12.02_pr
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 --------------------------------------------------------------------- |