No output on EPIA-M serial port
Greg Watson
gwatson at lanl.gov
Wed Mar 24 17:14:00 CET 2004
Does the EPIA-M have a 256KB flash or a 512KB flash? I just ran into
this problem with the EPIA. If you flash the wrong size image then
nothing works at all.
Greg
On 24/03/2004, at 3:02 PM, 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
>
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