OMAP: PM debug: Add PRCM register dump support

Browse source

Allows dumping out current register contents from the debug filesystem, and
also allows user to add arbitrary register save points into code. Current
register contents are available under debugfs at:

[debugfs]/pm_debug/registers/current

To add a save point, do following:

From module init (or somewhere before the save call, called only once):
  pm_dbg_init_regset(n); // n=1..4, allocates memory for dump area #n

From arbitrary code location:
  pm_dbg_regset_save(n); // n=1..4, saves registers to dump area #n

After this, the register dump can be seen under [debugfs]/pm_debug/registers/n

Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

...

This commit is contained in:

Tero Kristo 2008-10-29 13:31:24 +02:00 • committed by Kevin Hilman

parent 6199ab2690

commit 2811d6b323

2 changed files with 229 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

226

arch/arm/mach-omap2/pm-debug.c

View file

4

arch/arm/mach-omap2/pm.h

View file