Commits · 7ad5f454db42e0b2793710724b48156e469624a3 · adam.huang / Sunxi Tools

27 Jan, 2017 1 commit
- Move thunk code / snippets to a dedicated subdirectory · 7ad5f454
  Bernhard Nortmann authored Jan 03, 2017
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Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>
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  7ad5f454
28 Dec, 2016 1 commit

fel_lib: Implement thunk code for register-based retrieval of SID · a3ce5f9f

Bernhard Nortmann authored Dec 20, 2016

The new function fel_get_sid_registers() uses ARM code for register
access to the SID root key. This is necessary to retrieve correct
values for certain SoCs, e.g. when not using this approach the H3
has been observed to return 'mangled' values (when reading SID from
memory).

See https://groups.google.com/forum/#!topic/linux-sunxi/ynyIP8c61Qs



The FEL library provides a uniform fel_get_sid_root_key() wrapper
that will automatically use the workaround method for SoCs that
are tagged accordingly - so the application program does not have
to bother with selecting memory vs. register-based access.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

a3ce5f9f