[haiku-development] Booting Haiku on a MacBook Pro
- From: Akshay Jaggi <akshay1994.leo@xxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Sat, 12 Jul 2014 12:25:54 +0530
Hello Everyone!
Booting up Haiku on a MacBook, I see that our XHCI driver is unable to
find/start the appropriate PCI device, even though it is present. An issue
mentioned in the FreeBSD sources is what I guess is behind this issue.
http://fxr.watson.org/fxr/source/i386/i386/machdep.c?v=FREEBSD10#L265
Quoting -
* On MacBooks, we need to disallow the legacy USB circuit to
* generate an SMI# because this can cause several problems,
* namely: incorrect CPU frequency detection and failure to
* start the APs.
* We do this by disabling a bit in the SMI_EN (SMI Control and
* Enable register) of the Intel ICH LPC Interface Bridge.
I tried looking at the code, but couldn’t get too far. So, I thought bringing
this to someone else’s notice would be the best bet at it.
Thanks
Akshay Jaggi
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