[coreboot] [PATCH] YABEL support PCI accesses to other devices than the one yabel is running for

Joseph Smith joe at settoplinux.org
Wed Mar 18 17:11:58 CET 2009

On Wed, 18 Mar 2009 16:19:36 +0100, Pattrick Hueper <phueper at hueper.net>
> grr... too quick on the send button... here are the patch files...
> Patty
> On Wed, Mar 18, 2009 at 4:18 PM, Pattrick Hueper <phueper at hueper.net>
> wrote:
>> Hi,
>> Joseph and Stefan have had some fun using yabel on devices with
>> (intel?) onboard graphics cards. We found that those devices want to
>> read config space of other devices 
Just to clarify Host Bridges
>>than the one yabel is running for.
>> This was previously impossible.
>> These patches introduce a yabel option
>> CONFIG_YABEL_ACCESS_OTHER_DEVICES that when set to 1/true allows
>> Option ROMs to find and access (read-only) other devices' config
>> space. Both through INT1A functions and cf8/cfc IO ports.
>> This allows the mentioned onboard graphics cards to be initialized by
> yabel.
>> The two 0001 patches add the corresponding Option to
>> Kconfig/Options.lb for v3/v2, the 0002 patch adds the functionality to
>> yabel.
>> Signed-off-by: Pattrick Hueper <phueper at hueper.net>
Tested and Acked-by: Joseph Smith <joe at settoplinux.org>

Joseph Smith

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