coreboot July 2006

coreboot@coreboot.org

52 participants
89 discussions

Re: [LinuxBIOS] LinuxBios Virtualization Support
by Lu, Yinghai 31 Jul '06

31 Jul '06

According to my understanding, if your AMD CPU is rev F later, you already got AMD-V support, so you can use Xen. The way for LinuxBIOS system to use xen is Linuxbios + (FILO or Etherboot or none) + tiny kernel in Flash (or HD, or Network) with kexec support + kexec util to load final multi boot image xen.gz and dom0 kernel .... YH -----Original Message----- From: linuxbios-bounces(a)linuxbios.org [mailto:linuxbios-bounces@linuxbios.org] On Behalf Of dfeustel(a)mindspring.com Sent: Sunday, July 30, 2006 7:48 AM To: linuxbios(a)linuxbios.org Subject: [LinuxBIOS] LinuxBios Virtualization Support FAQ Question? Does the Linux Bios support enabling/disabling Intel/AMD virtualization support for the operating system to be loaded at boot? I.E. will hardware suppored virtualization for xen work? (I think this capability may be dependent upon the motherboard being used). Thanks, Dave Feustel -- linuxbios mailing list linuxbios(a)linuxbios.org http://www.openbios.org/mailman/listinfo/linuxbios

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[LinuxBIOS] amd LX code committed
by Ronald G Minnich 31 Jul '06

31 Jul '06

Thanks to the fine work if Indrek Kruusa, a tentative version of AMD LX support was committed today. I intend to test later today. This is really great news. Thanks to Indrek for his fine work. The first example mainboard is named artecdesign/dbe61 It will not build for you, as you need a gcc-3.4 compiler; I intend to test with 4.0 to see if that will work. thanks ron

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[LinuxBIOS] i44bx notes
by Richard Smith 31 Jul '06

31 Jul '06

I spent a bit of time reviewing the 440bx code I checked in. Now that the current blocker has been removed I should be able to make the chipset work. Seems I've made at least 2 poor decisions though. 1. I named both the northbridge and the southbridge i440bx. While I don't think it s a huge problem. The southbridge code needs to be changed to piix4 since thats really what the part is. I'll hopefully be able to do that soon. 2. I seemed to have based the framework on one of the VIA chips. But looking at things now I see a much better choice would have been the Intel e7501. Hopefully I can find some time to work on this a bit this week. But anybody else feel free to do this as well if you don't feel like waiting on me. Just post up that you want to do it and I'll send you what my thoughts are. -- Richard A. Smith

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[LinuxBIOS] i440bx SPD reads are now functional
by Richard Smith 31 Jul '06

31 Jul '06

With all the interest in the i440bx I pulled out my old hardware and debugged the SMbus reads. I can now dump the contents of the SPD on my RAM. Yah!! Only took a year or so. Hopefully the rest can knock out pretty quickly. I'll do some more work tomorrow. I have discoverd a some _very_ frustrating issues. And I believe I've reported one of these before. Issue 1: The dependency chain of the builds is not correct. I spent close to 2 hours trying to figure out why my code was not working when the problem was that my code was not getting recompiled by romcc. The SPD code is done in a header file. Pehaps this was the 1st mistake but I copied it from the way another project did it. If you make changes to that header file they are not picked up properly. So some work on dependency info may be in order. Issue 2: The build output of LinxBIOS is _way_ too noisy. Its extremely difficult to try and see if the code you are working on actually got recompiled. We need to work on reducing the noise level. -- Richard A. Smith

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[LinuxBIOS] LinuxBios Virtualization Support
by dfeustel＠mindspring.com 30 Jul '06

30 Jul '06

FAQ Question? Does the Linux Bios support enabling/disabling Intel/AMD virtualization support for the operating system to be loaded at boot? I.E. will hardware suppored virtualization for xen work? (I think this capability may be dependent upon the motherboard being used). Thanks, Dave Feustel

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[LinuxBIOS] LinuxBIOS r2353 build changes
by LinuxBIOS information 29 Jul '06

29 Jul '06

Dear LinuxBIOS readers! This is the automated build check service of LinuxBIOS. The developer "rsmith" checked in revision 2353 to the LinuxBIOS source repository and caused the following changes: Change Log: - Fix some copy bugs and thinkos in the i440bx SMbusread code. SBbus reads to RAM now work. Yah!- Rename the register constants to something I can look atmore easily.- Make the logic flow match the flow from V1 assembly- #if 0 out other SMbus functions that are still broken. Build Log: Compilation of artecgroup:dbe61 is still broken. If something broke during this checkin please be a pain in rsmith's neck until the issue is fixed. If this issue is not fixed within 24h the revision will be backed out. Yours truely, LinuxBIOS automatic build system

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[LinuxBIOS] LinuxBIOS r2352 build changes
by LinuxBIOS information 29 Jul '06

29 Jul '06

Dear LinuxBIOS readers! This is the automated build check service of LinuxBIOS. The developer "rsmith" checked in revision 2352 to the LinuxBIOS source repository and caused the following changes: Change Log: - fixup Bitworks/IMS to use private copy of SMbus debug routinesRe-enable the SPD dump routine in this Bitworks/IMS code and makeit work like the Asus/p2b. This avoids having to hack thesdram/generic_dump_spd.c for a single mem controller. Build Log: Compilation of artecgroup:dbe61 is still broken. If something broke during this checkin please be a pain in rsmith's neck until the issue is fixed. If this issue is not fixed within 24h the revision will be backed out. Yours truely, LinuxBIOS automatic build system

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[LinuxBIOS] LinuxBIOS r2351 build changes
by LinuxBIOS information 29 Jul '06

29 Jul '06

Dear LinuxBIOS readers! This is the automated build check service of LinuxBIOS. The developer "rsmith" checked in revision 2351 to the LinuxBIOS source repository and caused the following changes: Change Log: - Add support _framework_ for the Asus p2b.- New superIO winbond/w83977tf- Add single memory controller SBbus debug routineinto a file private to the i440bxThis adds support the start of support for an Asus p2bmainboard. Current limitations are the same as for theBitworks IMS board. Reads from the SMbus don't work.Moving dump_spd_registers() into its own private copysolves the problem of having to go hack on the version thatincluded in src/sdram to only do one memory controller. Build Log: Compilation of artecgroup:dbe61 is still broken. Configuration of asus:p2b has been fixed. Compilation of asus:p2b has been fixed. If something broke during this checkin please be a pain in rsmith's neck until the issue is fixed. If this issue is not fixed within 24h the revision will be backed out. Yours truely, LinuxBIOS automatic build system

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[LinuxBIOS] LinuxBIOS r2350 build changes
by LinuxBIOS information 28 Jul '06

28 Jul '06

Dear LinuxBIOS readers! This is the automated build check service of LinuxBIOS. The developer "rminnich" checked in revision 2350 to the LinuxBIOS source repository and caused the following changes: Change Log: This patch adds support for the AMD LX cpu.There is one global change to pci_ids.h. The rest are changes for LX. Iran abuild and it is ok. Not all artec design changes are included assome of them would adversely affect other mainboards. Indrek will needto test.Signed-off-by: Ron MinnichSigned-off-by: Indrek Kruusa, indrek.kruusa(a)artecdesign.ee, artecdesign. Build Log: Configuration of artecgroup:dbe61 has been fixed. Compilation of artecgroup:dbe61 is still broken. If something broke during this checkin please be a pain in rminnich's neck until the issue is fixed. If this issue is not fixed within 24h the revision will be backed out. Yours truely, LinuxBIOS automatic build system

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[LinuxBIOS] Comes up but cant see CMOS prompt or options
by Dan Mezynski 27 Jul '06

27 Jul '06

I was able to setup config to include VGA bios and it seems to work but it happens late in the flow, so a lot of printk messaages are not seen, they only become visable after calling dev_initialize(). 2 questions: * How can I get it so early printk messages come up? * Shouldnt there be an option to hit f-10 or some other key to get into CMOS?

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coreboot July 2006