libpayload: fix garbage on screen with Geode-LX VGA

Clear initial garbage in VGA memory and fix scroll_up, which scrolled 1 scanline
instead of 1 text line by mistake.

Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Acked-by: Patrick Georgi <patrick@georgi-clan.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5722 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
1 file changed
tree: dd1df49d82b37ee50f8840323d3f9c471f534a54
  1. documentation/
  2. payloads/
  3. src/
  4. util/
  5. COPYING
  6. Makefile
  7. README