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DOC & CWlinux SDK
by Bob Drzyzgula 08 Nov '02

08 Nov '02

I'm just now finally able to get back to a project that I started a few months ago, and I have a couple of questions. First, though, I want to offer great thanks to Andrew and CWlinux for their SDK. That stuff really is a tremendous help. First, DOC problems. I've spent about a day and a half getting an M810LMR up and running off a DOC, using one of CWlinux's images. Part of my problem turned out to be some flaky DOCs. Of four units I took out of a tube, two of them have turned out to have faulty sectors, from what I can tell. After futzing around, I finally came to the realization that I could not even get eraseall to work -- it would repeatedly give an MTD erase failure [1] error. It would fail at the same address every time, but that address was different for the two DOCs. The other two DOCs had no such problem. I guess that my main questions here are (a) are these DOCs toast, and (b) is this common with DOCs? These are labeled "MD-2800-D08/JAPAN0028HAK 1". The other issue I had was with regard to the CWlinux DOC images; I don't think this is a question so much as an FYI for Andrew and maybe other newbies, I was able to work around things and I'll be moving beyond his examples soon anyway. In cwlinux_810lmr_lite.lb, the size of the minix filesystem appears to be larger than the size of the nftl partition on the DOC [2]. This is confirmed with a error when I run the dd to write the filesystem to flash. The filesystem in the cwlinux_810lmr_mb-mii.lb image is small enough to fit, however [3]. Finally, when I use the docipl, linux.bin.gz.block, and linuxbios.block from cwlinux_810lmr_mb-mii.lb, the linux commandline gives me consoles on /dev/ttyS0 and /dev/tty0. The one on ttyS0 works fine, but the one on tty0 has carriage return issues; the virtual console on tty1 also works OK. If I use the docipl, linux.bin.gz.block, and linuxbios.block from cwlinux_810lmr_lite.lb but the minix filesystem from cwlinux_810lmr_mb-mii.lb, the command line gives me a console only on /dev/tty5 and there's a GUI splash screen. In this case, the virtual consoles, including the one on tty0, work just fine. This has worked out to be the best combination. Thanks, --Bob [1] (with defective DOC in socket) [root@linuxbios cwlinux_810lmr_lite.lb]# lsmod Module Size Used by Tainted: P binfmt_misc 6980 1 autofs 11396 0 (autoclean) (unused) sis900 15012 1 ipchains 37992 10 ide-cd 30368 0 (autoclean) cdrom 31168 0 (autoclean) [ide-cd] ext3 66464 4 (autoclean) jbd 52672 4 (autoclean) [ext3] md 62976 0 (unused) usb-ohci 22016 0 (unused) usbcore 69056 1 [usb-ohci] [root@linuxbios cwlinux_810lmr_lite.lb]# flash_on [root@linuxbios cwlinux_810lmr_lite.lb]# modprobe doc2000 [root@linuxbios cwlinux_810lmr_lite.lb]# modprobe docprobe [root@linuxbios cwlinux_810lmr_lite.lb]# eraseall /dev/mtd0 Erasing 8 Kibyte @ 2c000 -- 2 % complete. eraseall: /dev/mtd0: MTD Erase failure: Input/output error Erased 8192 Kibyte @ 0 -- 100% complete. [root@linuxbios cwlinux_810lmr_lite.lb]# dmesg | tail -2 Ignoring DiskOnChip 2000 at 0xFFFEE000 - already configured Error erasing at 0x2c000 [2] (with good DOC in socket) [root@linuxbios cwlinux_810lmr_lite.lb]# sfdisk -l -uS /dev/nftla Disk /dev/nftla: 1019 cylinders, 14 heads, 1 sectors/track Units = sectors of 512 bytes, counting from 0 Device Boot Start End #sectors Id System /dev/nftla1 1 14265 14265 83 Linux /dev/nftla2 0 - 0 0 Empty /dev/nftla3 0 - 0 0 Empty /dev/nftla4 0 - 0 0 Empty [root@linuxbios cwlinux_810lmr_lite.lb]# expr 14265 \* 512 7303680 [root@linuxbios cwlinux_810lmr_lite.lb]# ls -l data/*minix -rw-r--r-- 1 root root 7307264 May 3 13:21 data/rootfs.minix [root@linuxbios cwlinux_810lmr_lite.lb]# cat config/* # partition table of /dev/nftla unit: sectors /dev/nftla1 : start= 1, size= 14265, Id=83 /dev/nftla2 : start= 0, size= 0, Id= 0 /dev/nftla3 : start= 0, size= 0, Id= 0 /dev/nftla4 : start= 0, size= 0, Id= 0 [3] [root@linuxbios cwlinux_810lmr_lite.lb]# ls -l ../cwlinux_810lmr_mb-mii.lb/data/*minix -rw-r--r-- 1 root root 7303168 Sep 6 07:53 ../cwlinux_810lmr_mb-mii.lb/data/rootfs.minix

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Re: kernel image size
by ollie lho 08 Nov '02

08 Nov '02

1 0

Re: VIA EPIA - Trying to get it built
by BIOS Support Personnel 08 Nov '02

08 Nov '02

> > Again, I run make and get "make: *** No rule to make target > > '.../freebios/mainboard.c', needed by 'mainboard.o'. Stop. > that's weird. But there have been several changes lately so we'll have to > do some looking around. Andrew, are you seeing this? I don't see this problem. -Andrew ------------------------- I found that in my Makefile, which was generated without error by /NLBConfig.py, the path for two files is just /../freebios/mainboard.c and /../freebios/irq_tables.c Aren't they supposed to be at /../freebios/src/mainboard/via/epia/mainboard.c and /../freebios/src/mainboard/via/epia/irq_tables.c? Is my config file the cause? Here it is (it's just the latest that was checked in by Ron, just yesterday): -------------------------------- arch i386 mainboardinit cpu/i386/entry16.inc mainboardinit cpu/i386/entry32.inc ldscript cpu/i386/entry16.lds ldscript cpu/i386/entry32.lds mainboardinit cpu/i386/reset16.inc ldscript cpu/i386/reset16.lds mainboardinit superio/via/vt8231/setup_serial.inc mainboardinit pc80/serial.inc mainboardinit arch/i386/lib/console.inc mainboardinit northbridge/via/vt8601/raminit.inc # mainboardinit ram/dump_northbridge.inc # mainboardinit ram/ramtest.inc # mainboardinit mainboard/via/epia/do_ramtest.inc # option RAM_TEST=1 northbridge via/vt8601 southbridge via/vt8231 superio via/vt8231 mainboardinit cpu/p6/earlymtrr.inc option ENABLE_FIXED_AND_VARIABLE_MTRRS=1 option FINAL_MAINBOARD_FIXUP=1 option HAVE_PIRQ_TABLE=1 option SUPERIO_DEVFN=0x88 object mainboard.o object irq_tables.o keyboard pc80 cpu p5 cpu p6 option MAINBOARD_PART_NUMBER=EPIA option MAINBOARD_VENDOR=VIA -------------- Andy

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linux bios kernel for m758lmr+
by James Alton 07 Nov '02

07 Nov '02

Hi, I'm trying to get *any* linux kernel to compile for the m758lmr+ motherboard and disk on chip millenium. I tried 2.4.7, 2.4.17, and 2.4.19, but none of them compiled. I even tried messing with the code and fixing it up, but still am unable to compile. Does anyone know of the best kernel to use for sis630 chipset, and do you have to patch it? (I have been patching the kernel every time I have tried to compile, but am not sure this is even necessary.) -James Alton -jalton(a)olsh.cx

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Re: Geode sc1200
by David Aparicio Campos 07 Nov '02

07 Nov '02

>> we can help you but there's a price :-) >> >> would you be willing to send me a writeup on "How I built for the Geode >> sc1200" if I tell you :-) I'm also looking at the code, and I would have found useful this guide too. It would be ok to pay the price for me! :-) At this moment I still don't have the hardware (a reference board from National) but I have been able to build a LinuxBIOS image, still some questions about what to flash on it. I would prefer to post all my doubts to a single person, the resume them and write the guide once, then post it in the list or whatever. Makes this sense? Best regards David

2 1

ROM address is to high
by "Hammond, Jean-François" 07 Nov '02

07 Nov '02

Hi, I try to put my ROM address at 0xFFF00000, but the script file gave me the following error: Trying to create ppc/mpc824x/ldscript.ld Traceback (innermost last): File "/home/jfha/mpc8240/src/freebios-20010708/util/config/NLBConfig.py", line 636, in ? writeldscript(outputdir) File "/home/jfha/mpc8240/src/freebios-20010708/util/config/NLBConfig.py", line 488, in writeldscript file.write('_ROMBASE = 0x%lx;\n' % linuxbiosbase) OverflowError: long int too long to convert It seems to have a problem with this : biosbase 0xFFF00100 <<crt0.base>> <<ldscript.base>> <<make.base>> This number seems to big. My boot ROM is at 0xFFF00000. Do you have any suggestions ? If I put the ROM address at 0xFFF0000, then everthing compile until the compile try to make the rom. Thanks, Jean-François Hammond Software Designer Mindready Solutions inc. 2800, avenue Marie-Curie Saint-Laurent (Québec) Canada H4S 2C2 Tel. : (1) 514-339-1394 ext. 2121 Fax. : (1) 514-339-1376 mailto:jean-francois.hammond@mindready.com www.mindready.com

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VIA EPIA - Trying to get it built
by BIOS Support Personnel 07 Nov '02

07 Nov '02

OK, I'm finally diving into this, thanks to Andrew Ip LinuxBIOS for the VIA EPIA board is close to where I need it to be. Now, I'm looking to help. I've run into my first set of problems.... I used the K7SEM HOWTO for some of the info since there isn't a VIA EPIA HOWTO yet. Am I supposed to patch the kernel for VIA EPIA? Errors: When I run make I get: gcc ... -o version.o /.../freebios/src/lib/version.c /.../freebios/src/lib/version.c:10:2: #error MAINBOARD_VENDOR not defined /.../freebios/src/lib/version.c:13:2: #error MAINBOARD_PART_NUMBER not defined make: *** [version.o] Error 1 So, I tried to fix this by putting "#define MAINBOARD_VENDOR "via"" and "#define MAINBOARD_PART_NUMBER "epia"" into /.../freebios/src/lib/version.c. This takes care of the compiler error. Where should these defines be made? Again, I run make and get "make: *** No rule to make target '.../freebios/mainboard.c', needed by 'mainboard.o'. Stop. I see that mainboard is in Makefile, so what's the problem.

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generating cmos.layout
by Andrew Ip 07 Nov '02

07 Nov '02

Is there any program to generate this file? Where does it come from? -Andrew -- Andrew Ip Email: aip(a)cwlinux.com Tel: (852) 2542 2046 Fax: (852) 2542 2036 Mobile: (852) 9201 9866 Cwlinux Limited Unit 202B 2/F Lai Cheong Factory Building, 479-479A Castle Peak Road, Lai Chi Kok, Kowloon, Hong Kong. Tel: (852)2542 2046 Fax: (852)2542 2036 For public pgp key, please obtain it from http://www.keyserver.net/en.

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PIII cache init
by Jeremy Jackson 06 Nov '02

06 Nov '02

Hi, Can someone summarize the difference between the "Advanced Transfer Cache" init (the one on-die), and the one where the Slot 1 processors have a separate tag and cache chips? Thanks, Jeremy

1 0

Geode sc1200
by John Allen 05 Nov '02

05 Nov '02

To all, I have been assigned the task of building a bios for our geode sc1200 project using linuxbios. I have downloaded the current cvs snapshot, and read all the documents I could find. Unfortunately, I don't see any info on building it for the geode. Can anyone point me in the right direction? John Allen

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