[coreboot] Intel rumers spreading??

Star Liu minxinjianxin at gmail.com
Tue Jul 1 03:07:23 CEST 2008

Thank you very much! I got very clear concepts on coreboot, old bios and
linux from you, it's very helpful. I think coreboot is doing the right
thing, providing more and better support for AMD shall be a pressure on
intel and other cpu and chipset vendors, I think. I'm reading the source
code of flashrom now, hope i can figure out it. :)

On Tue, Jul 1, 2008 at 8:46 AM, Peter Stuge <peter at stuge.se> wrote:

> Hello,
> On Tue, Jul 01, 2008 at 08:00:15AM +0800, Star Liu wrote:
> > Is the rumor me?
> No. But because there have been many inquiries about support for
> recent Intel hardware in a short time, maybe your message was
> interpreted as indication of a starting trend.
> > If it's me, I'd like the tell what the inside is.
> > I'm a newbie in free software development, and I'd like to start my
> > free software development from the coreboot project.
> Great! You are very welcome. I hope you will like it as much as we
> do. :) It is a lot of fun!
> > In China, so many people(more than a half) use intel cpus, and most
> > of them are above P4, including me.
> I don't know the statistics for Sweden where I am, but Intel systems
> are popular here too.
> > So when i found coreboot only support intel cpu up to PIII, I'm
> > very curious, and willing to make it support intel cpus above P4.
> > That's why I asked so many questions about intel cpu.
> I believe curiosity and desire to improve is the true spirit of open
> source! But as Jordan wrote, it is far from trivial to add support
> for new CPUs and chipsets, even when the documentation is available.
> You asked how come Linux works on Intel CPUs without documentation
> and the answer is that Linux doesn't need it. At least not the same
> documentation. Linux relies heavily on the boot firmware (BIOS or
> coreboot or something else) to do many tasks in order to make the
> system run in a stable way, and because the firmware must take care
> of this setup, Linux does not need the documentation.
> The major tasks are:
> * Start and tune the RAM controller
> * Start and tune all buses in the system
> These two high-level tasks may seem simple, but they quickly branch
> into many things that must be taken into consideration in the code.
> > I don't think lack of support to something of coreboot will
> > discourage people involve in, for me, I just want to make practice,
> Please do not feel discouraged. We only want to share our experience
> from previous work, because it is difficult to estimate the effort
> that is required for extending coreboot. In general, it has not been
> easy to get information from Intel for their recent CPUs and
> chipsets. As others have confirmed, it is certainly not impossible to
> get good info from Intel if the circumstances are right, but I think
> the project and it's individual contributors are still far away from
> that situation.
> AMD on the other hand are being very helpful, and as a result there
> is much better support for their products in coreboot. Also, more
> time is spent working on improvements related to AMD CPUs and
> chipsets.
> Best regards
> //Peter
> --
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Homepage: http://starliu.9966.org, about Buddha, x86_64 CPU, Debian
GNU/Linux Lenny AMD64, UEFI/BIOS
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