Date: Thu, 21 Aug 2003 10:40:47 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: Marcel Moolenaar <marcel@FreeBSD.org> Cc: Perforce Change Reviews <perforce@freebsd.org> Subject: RE: PERFORCE change 36551 for review Message-ID: <XFMail.20030821104047.jhb@FreeBSD.org> In-Reply-To: <200308210731.h7L7V0tt040658@repoman.freebsd.org>
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On 21-Aug-2003 Marcel Moolenaar wrote: > http://perforce.freebsd.org/chv.cgi?CH=36551 > > Change 36551 by marcel@marcel_nfs on 2003/08/21 00:30:38 > > Aarrgghh. The interrupt issue on pluto1 and pluto2 are > very likely not driver problems. I forgot we have a hack > on the ia64 branch to deal with the fact that the non- > legacy interrupts used by the UARTs are edge sensitive, > active high. We really need to get that fixed in CVS... > > Affected files ... > > .. //depot/projects/uart/ia64/ia64/interrupt.c#4 edit > > Differences ... > > ==== //depot/projects/uart/ia64/ia64/interrupt.c#4 (text+ko) ==== > > @@ -266,9 +266,18 @@ > struct sapic *sa = ia64_sapics[i]; > if (irq < sa->sa_base || irq > sa->sa_limit) > continue; > + /* > + * KLUDGE: Not all interrupts higher or equal to 16 are > + * active low and level sensitive. We don't know yet how > + * to check for this, so we hardcode the 2 cases we have > + * wrong explicitly. This kludge is specific to the HP > + * rx2600... > + */ Have you tried looking at any interrupt overrides in the MADT? That is where the BIOS should tell you which interrupts above 15 have ISA-like parameters. > sapic_enable(sa, irq - sa->sa_base, vector, > - (irq < 16) ? SAPIC_TRIGGER_EDGE : SAPIC_TRIGGER_LEVEL, > - (irq < 16) ? SAPIC_POLARITY_HIGH : SAPIC_POLARITY_LOW); > + ((irq < 16 || vector == 66 || vector == 67) > + ? SAPIC_TRIGGER_EDGE : SAPIC_TRIGGER_LEVEL), > + ((irq < 16 || vector == 66 || vector == 67) > + ? SAPIC_POLARITY_HIGH : SAPIC_POLARITY_LOW)); > } > } > -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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