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ARM920T scanchain 15 comments/cleanup
authorDavid Brownell <dbrownell@users.sourceforge.net>
Wed, 17 Feb 2010 02:50:16 +0000 (18:50 -0800)
committerDavid Brownell <dbrownell@users.sourceforge.net>
Wed, 17 Feb 2010 02:50:16 +0000 (18:50 -0800)
commitaa8db989b90766f4aefe72f96c1c0a37d27d1369
tree56cc3f2c997c4eacc840d0afcaea9b714f90e6e3tree | snapshot
parentfa1cfc2d4da808f752518d3221619bc2e1ea628bcommit | diff
ARM920T scanchain 15 comments/cleanup

For folk who don't know the ARM920 JTAG interface very well, the
two modes of scan chain 15 access to CP15 are confusing.

Make those parts of the ARM920 code less opaque, by:

 - Adding comments referencing the relevant parts of the TRM,
   catching up to similar updates in the User's Guide.

 - Replacing magic numbers in physical access clients with
   symbolic equivalents.

No functional change.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
src/target/arm920t.c diff | blob | history
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