[OLPC-devel] Attempting to get graphics working

Goodrich,Steven steven.goodrich at amd.com
Tue May 30 14:27:13 EDT 2006


Ron,
 
I've done a bit of work down the VGA path.  Attached are the following:
 
    For the src/northbridge/amd/gx2 folder:
        config.lb
        northbridge.c
        grphinit.c
 
    New VSA set:
        olpc_vsa.zip (unzip, naturally)
 
    Output of my debugging:
        olpc_2312h.txt
 
The first two files are included to call grphinit.c, which simply
configures SoftVG (VGA emulation) for use.
 
grphinit.c contains the call to initialize SoftVG.
 
You'll need the new VSA set, which has the SoftVG I'm using.
 
The debugging output file shows what happens (I snipped out most of my
MSR dump).  I'm using a kernel built here, so it may be where my problem
lies (lays?).  The system gets so far as to execute the kernel from the
ROM, and then the system reboots.  Can you either provide me a new image
for the ROM, or tell me how to debug this?
 
Thanks,
    -- Steve G.

Steve Goodrich (Steven.Goodrich at amd.com <mailto:Steven.Goodrich at amd.com>
)
Advanced Micro Devices, Inc.
1351 S. Sunset Street
Mail Stop 83-36
Longmont, CO  80501
303-774-5129    (fax: 303-774-5801)
http://www.amd.com/embeddedprocessors 
 
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