[coreboot] No video output with Bay Trail
Fred Young
Fred.Young at kaleidescape.com
Mon Jan 5 22:31:07 CET 2015
I have an Aaeon EMB-BT1 with an Intel Atom E3845 CPU. I've successfully built coreboot specifying "Bayley Bay CRB (FSP)" as the "Mainboard model".
When I boot the machine after programming the flash with coreboot, I see lots of output on the serial line including output indicating that SeaBIOS has started.
However, I don't see any output on the video display on either HDMI or VGA. Here are my .config settings relating to video/VGA:
CONFIG_VGA_BIOS_ID="8086,0f31"
CONFIG_ONBOARD_VGA_IS_PRIMARY=y
CONFIG_VGA_BIOS=y
CONFIG_VGA_BIOS_FILE="../intel/cpu/baytrail/vbios/Vga.dat"
CONFIG_VIDEO_MB=0
CONFIG_VGA_ROM_RUN=y
What do I need to do to get video output?
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