[coreboot] Coreboot patches for v2 with SeaBIOS

Myles Watson mylesgw at gmail.com
Wed Feb 11 17:40:57 CET 2009

And the patches.

On Wed, Feb 11, 2009 at 9:38 AM, Myles Watson <mylesgw at gmail.com> wrote:
> On Tue, Jan 20, 2009 at 4:08 PM, Stefan Reinauer <stepan at coresystems.de> wrote:
>> Here's my latest patch. It contains generic parts, northbridge specific
>> parts and board specific parts.
>> Please let me know what you think.
> Sorry it has taken so long, I have been working on implementing ACPI
> for my board so that I could try it out.
> Your patch works fine for me.  Seabios gets the tables, Linux finds
> them from there.
> I'm having trouble with my fadt (FACP) and DSDT (the only ones I
> really have to do :) since coreboot has support for SRAT, RSDT, RSDP,
> and APIC ).  I'm attaching the current patches that I'm using.  They
> apply on top of the patch you sent.
> - I can't figure out the correspondence between pnp devices in
> /proc/ioports and coreboot.  The ACPI device is missing, and I'm not
> sure how to add it.  That causes problems when it tries to read the
> timer specified in fadt.c.  If I remove the timer reference Linux
> complains but continues until it breaks based on interrupt routing.
> - The disassembled dsdt from the board doesn't match the way coreboot
> configures the board, so I was trying to add my own based on another
> board...
> - I don't see the relationship between /proc/interrupts and how to
> generate the _PRT in the dsdt
> - I've looked for a tutorial or Mindshare book on ACPI tables, but
> can't find a decent one.  Can anyone recommend one?  The spec's
> examples don't have enough information for me.
> - I just want the bare minimum for now.  If there's something I should
> disable to make it simpler, I'm happy to do that.
> Thanks,
> Myles
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