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  • Chris Mills Chris Mills millsc
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13 authors
  1. Aug 04, 2011
    • Heiko Schocher's avatar
      hwmon: do not init sensors on startup · 780f13a9
      Heiko Schocher authored 
      
The U-Boot Design Principles[1] clearly say:

  Initialize devices only when they are needed within U-Boot, i.e. don't
  initialize the Ethernet interface(s) unless U-Boot performs a download
  over Ethernet; don't initialize any IDE or USB devices unless U-Boot
  actually tries to load files from these, etc. (and don't forget to
  shut down these devices after using them - otherwise nasty things may
  happen when you try to boot your OS).

So, do not initialize and read the sensors on startup.

Signed-off-by: default avatarHeiko Schocher <hs@denx.de>
cc: Wolfgang Denk <wd@denx.de>
cc: Holger Brunck <holger.brunck@keymile.com>
      780f13a9
  3. May 12, 2011
  5. Nov 17, 2010
    • Sebastien Carlier's avatar
      Switch from archive libraries to partial linking · 6d8962e8
      Sebastien Carlier authored 
      
Before this commit, weak symbols were not overridden by non-weak symbols
found in archive libraries when linking with recent versions of
binutils.  As stated in the System V ABI, "the link editor does not
extract archive members to resolve undefined weak symbols".

This commit changes all Makefiles to use partial linking (ld -r) instead
of creating library archives, which forces all symbols to participate in
linking, allowing non-weak symbols to override weak symbols as intended.
This approach is also used by Linux, from which the gmake function
cmd_link_o_target (defined in config.mk and used in all Makefiles) is
inspired.

The name of each former library archive is preserved except for
extensions which change from ".a" to ".o".  This commit updates
references accordingly where needed, in particular in some linker
scripts.

This commit reveals board configurations that exclude some features but
include source files that depend these disabled features in the build,
resulting in undefined symbols.  Known such cases include:
- disabling CMD_NET but not CMD_NFS;
- enabling CONFIG_OF_LIBFDT but not CONFIG_QE.

Signed-off-by: default avatarSebastien Carlier <sebastien.carlier@gmail.com>
      6d8962e8
  7. Oct 06, 2010
  9. Oct 03, 2009
  11. Sep 04, 2009
  13. Aug 11, 2009
  15. Oct 18, 2008
  17. Oct 14, 2008
  19. Sep 10, 2008
  21. Aug 18, 2008
  23. Jul 13, 2008
  25. Jun 03, 2008
    • Stefan Roese's avatar
      DTT: Issue one-shot command on AD7414 (LM75 code) to read temp · 4d91d1df
      Stefan Roese authored 
      
On AD7414 the first value upon bootup is not read correctly.
This is most likely because of the 800ms update time of the
temp register in normal update mode. To get current values
each time we issue the "dtt" command including upon powerup
we switch into one-short mode.

This patch fixes the problem on AD7414 equipped boards (Sequoia,
Canyonlands etc), that temp value printed in the bootup log was
incorrect.

Signed-off-by: default avatarStefan Roese <sr@denx.de>
      4d91d1df
  27. Apr 13, 2008
  29. Feb 22, 2008
  31. Jan 11, 2008
  33. Dec 27, 2007
  35. Nov 25, 2007