Dear Tank Tang,
Am Sonntag, den 22.09.2013, 16:20 +0800 schrieb jstkf2012@126.com:
welcome to coreboot! Communicating on mailing lists, please make sure to
> I am a bios engineer from Byosoft.
follow the netiquette [1]. Especially, please just send plain text
message with no HTML parts.
What board do you use?
> Unfortunately, I meet 2 questions about building Grub2 as coreboot's payload.
> (1)How can I enable vga support during post?
> I have configure the following token:
> CONFIG_VGA_ROM_RUN=y
> CONFIG_VGA_BIOS=y
> CONFIG_VGA_BIOS_ID="8086,0166"
> CONFIG_VGA_BIOS_FILE="./src/vbios.bin"
> But it seems that it doesn't make sence.Is there something need I to do in Grub2 to support vga.
If coreboot successfully runs the VGA BIOS/Option ROM (and if it is
needed), GRUB 2 should be able to display text on the monitor. I am
successfully doing that on the ASRock E350M1.
Do you get graphics with SeaBIOS as a payload and letting SeaBIOS run
the VGA BIOS/Option ROM?
That should work. Do you get serial output with coreboot? Do you get
> (2)How can I enable serial prot debug after Grub2 Payload is loaded?
> I have add the following to grub.cfg and use "grub-mkimage -c ./grub.cfg ......." to make the Grub2.elf.
> serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1
> terminal_input --append serial
> terminal_output --append serial
>
> But it doesn't work after grub2 payload is called!
serial output from the GRUB installed on your hard disk?