[OpenBIOS] r395 - cpu/x86/pc/olpc

svn at openbios.org svn at openbios.org
Thu May 17 05:58:44 CEST 2007


Author: wmb
Date: 2007-05-17 05:58:44 +0200 (Thu, 17 May 2007)
New Revision: 395

Modified:
   cpu/x86/pc/olpc/resume.bth
Log:
OLPC resume - Turn on flat panel drivers in early resume, using
newly-discovered fast method.



Modified: cpu/x86/pc/olpc/resume.bth
===================================================================
--- cpu/x86/pc/olpc/resume.bth	2007-05-17 03:57:49 UTC (rev 394)
+++ cpu/x86/pc/olpc/resume.bth	2007-05-17 03:58:44 UTC (rev 395)
@@ -409,6 +409,12 @@
 
    \ Unfreeze image by setting the DCONLOAD bit (0x800) in the GPIO output register
    h# 0800 h# 1000 port-wl
+[else]
+   \ Turn on the flat panel power as soon as possible
+   \ The 400.0000 bit make the panel power-up timers use the 14 MHz clock
+   \ instead of the 32 kHz clock.  That is supposed to be only for simulation,
+   \ but we have DCON between the CPU and the panel, so we don't need delays.
+   h# 500.0000 #  vp-pa h# 410 + #)  mov
 [then]
 
 \   0 h# 1842 pw!   \ Disable power button during early startup




More information about the OpenBIOS mailing list