From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web11.4242.1649318418722620811 for ; Thu, 07 Apr 2022 01:00:19 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=hEXk3WP3; spf=pass (domain: redhat.com, ip: 170.10.129.124, mailfrom: kraxel@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649318417; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=anSrSpZ57OxYfQ3LF5p7sudGDA/6ZTrttK7DFhAz7uY=; b=hEXk3WP3rs0fXlVSISdK5QQHbYcd4FMAw1rX212OCwIms31Pd9hbb904VZtd7qKWxtgWVr 7mxpABmRflzMGvMOcdA8Ve0k/DTyT8xhxW0HjM5b99trRZ7boEim84RCyi0Dnj7AboKHlc 9dzQTZcntda1br/ULBhXHLH+2Z4MvJg= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-25-sVwsw_vVO6uBeKC-2arzpQ-1; Thu, 07 Apr 2022 04:00:15 -0400 X-MC-Unique: sVwsw_vVO6uBeKC-2arzpQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7A6EF811E7A; Thu, 7 Apr 2022 08:00:15 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.192.9]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3638840CFD09; Thu, 7 Apr 2022 08:00:15 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 3DD5F18000B3; Thu, 7 Apr 2022 10:00:08 +0200 (CEST) Date: Thu, 7 Apr 2022 10:00:08 +0200 From: "Gerd Hoffmann" To: devel@edk2.groups.io, lersek@redhat.com Cc: "Ramesh R." , Sivaraman Nainar , manickavasakam karpagavinayagam Subject: Re: [edk2-devel] Intel NUC platform firmware -- no serial I/O support? Message-ID: <20220407080008.o2qmtum4sxzw5zfo@sirius.home.kraxel.org> References: <4c8d982a-97b0-654c-c6db-9a55b95330b5@redhat.com> MIME-Version: 1.0 In-Reply-To: <4c8d982a-97b0-654c-c6db-9a55b95330b5@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, > However, the UEFI platform firmware seems to have no support for Serial > I/O. I've built a fresh UEFI Shell binary from edk2 master and poked > around in the protocol database, with "drivers" and "dh". The necessary > drivers seem to be included, however they do not appear to bind the > hardware that's inside the chassis. ("connect -r" makes no difference in > this regard, so it's not just BDS policy.) Disclaimer: Havn't used amt/vpro for a quite while. But possibly those drivers bind to the serial device which shows up when you enable remote management and serial-over-lan support? take care, Gerd