No output on EPIA-M serial port

Niki Waibel niki.waibel at newlogic.com
Thu Mar 25 07:12:01 CET 2004


serial port speed was an issue months ago. dont know if that has been fixed.
try to lower the speed on the serial terminal (if you've configured 115200, try
57600)
niki

On 24-Mar-2004 Shawn Perkin wrote:
> Hello all,
> 
>  
> 
> I'm currently in the process of trying to get Linuxbios to work on my
> Via EPIA-M with no success. I have successfully complied Etherboot 5.2.0
> as my payload, and performed a successful build of Linuxbios. I burned
> the image without any errors and rebooted the system. I then had
> absolutely no output on either serial port, or local display. I
> currently have 256 MB of ram in the unit, and have tried a build with
> and without the extracted vgabios.bin. I have included my config file
> for your review. Any help would be greatly appreciated.
> 
>  
> 
> Shawn
> 
>  
> 
>#
># LinuxBIOS config file for: VIA epia-m mini-itx
>#
> 
> target /usr/local/build/epia-m
> 
># via epia
> mainboard via/epia-m
> 
># Enable Serial Console for debugging
> option SERIAL_CONSOLE=1
>#option SERIAL_POST=1
> option TTYS0_BAUD=115200
>#option TTYS0_BAUD=57600
> option HAVE_FRAMEBUFFER=1
> option CONFIG_VGABIOS=1
> option CONFIG_REALMODE_IDT=1
> dir src/bioscall
> option CONFIG_PCIBIOS=1
> option VGABIOS_START=0xfffe0000
>#addaction romimage dd if=../vgabios.bin of=romimage bs=65536 seek=2
> conv=sync conv=notrunc
> option CONFIG_EPIAMVERSIONSTRING="5.0.0E-" __DATE__ " " __TIME__
>#target /ram/freebios/obj
>#payload /code/bootfiles/etherboot/via6105m.ebi
> 
> option DEFAULT_CONSOLE_LOGLEVEL=9
> option DEBUG=1
> 
># Use 256KB Standard Flash as Normal BIOS 
> option RAMTEST=1
> option USE_GENERIC_ROM=1
> option STD_FLASH=1
>#option ZKERNEL_START=0xfffc0000
> option ROM_SIZE=262144
> 
># payload size = 192KB
> option PAYLOAD_SIZE=196608
> 
># use ELF Loader to load Etherboot
> option USE_ELF_BOOT=1
> 
># Use Etherboot as our payload 
> payload /home/shawnp/bios/etherboot-5.2.0/src/bin/via-rhine.elf 
># payload /opt/cwlinux/memtest86/memtest



More information about the coreboot mailing list