<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi,<div class=""><br class=""></div><div class="">These interrupts are ACPI mode variants that has a direct connection to the APIC. You will need an NDA from Intel to get the proper documentation.</div><div class=""><br class=""></div><div class="">Best regards,</div><div class=""><br class=""></div><div class="">B-O</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">7 okt 2015 kl. 17:58 skrev czq <<a href="mailto:czq@bu.edu" class="">czq@bu.edu</a>>:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hi there,<div class=""><br class=""></div><div class="">I'm reading <i class="">Intel® AtomTM Processor E3800 Product Family Datasheet</i>, trying to find out the interrupt line of GPIO.</div><div class="">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.</div><div class=""><br class=""></div><div class="">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 <i class="">VLV2_GPIO_configuration_primer presentation.</i></div><div class=""><br class=""></div><div class="">So does anyone know where I can find the <i class="">VLV2_GPIO_configuration_primer</i> presentation (I searched a lot but no luck...).</div><div class="">Or any thoughts and hints about how to find the interrupt line?</div><div class=""><br class=""></div><div class="">Thanks a lot!</div><div class="">Tom.</div></div>
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