Melvyn, We're currently looking into what may be missing here from the public documentation. The intent of the MinnowBoard program is to be as open as possible. We will follow-up with what we learn.
Thanks, On 10/9/15 2:53 PM, melvyn wrote: > Bottom of Page 4526. > > > > “LPC Bridge has no interrupt to disable” do not think this is what > we both need. > > > > (LPC is a group of GPIO pins used as a “low pin count buss”) > > > > Try page 4572.. > > > > Good luck; > > Personally I am going to use a SPI I/O Expander chip to capture my > 500nSec pulse. > > > > If Intel read this why duplicate pages when the only difference between > most GPIO Pins is the base addresses. > > 5308 pages at least 25% seem to duplicates. > > NDA agreements! How do Intel expect us use these chips? We are not > expecting design documentation, just programmers reference material. > Design , it would be nice if we could read 8 or 16 bits with one > instruction. Something the Quark can do. > > Legacy bridges, the legacy world was bytes or words, I/O as bits is new > world. > > > > > > *From:*elinux-MinnowBoard > [mailto:[email protected]] *On Behalf Of *czq > *Sent:* 07 October 2015 16:59 > *To:* [email protected] > *Subject:* [MinnowBoard] Find GPIO Interrupt Line > > > > Hi there, > > > > I'm reading /Intel® AtomTM Processor E3800 Product Family Datasheet/, > trying to find out the interrupt line of GPIO. > > Unlike most other PCI devices, which ususally have an interrupt register > at 3c-3fh in its PCI configuration space, GPIO/LPC has a weird (at least > to me) configuration space (page 4525)... I don't know how to find its > interrupt line. > > > > In the GPIO chapter, I can see it has memory mapped registers called > Direct Interrupt Multiplexer. But I can't really understand the > description. It also says that more details are available in > /VLV2_GPIO_configuration_primer presentation./ > > > > So does anyone know where I can find the > /VLV2_GPIO_configuration_primer/ presentation (I searched a lot but no > luck...). > > Or any thoughts and hints about how to find the interrupt line? > > > > Thanks a lot! > > Tom. > > > > ------------------------------------------------------------------------ > > View this message in context: Find GPIO Interrupt Line > <http://minnowboard.57273.x6.nabble.com/Find-GPIO-Interrupt-Line-tp1947.html> > Sent from the MinnowBoard mailing list archive > <http://minnowboard.57273.x6.nabble.com/> at Nabble.com. > > > > _______________________________________________ > elinux-MinnowBoard mailing list > [email protected] > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard > -- Darren Hart Intel Open Source Technology Center _______________________________________________ elinux-MinnowBoard mailing list [email protected] http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
