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Tue, 2 Jun 2020 20:46:21 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.3.0-dev0-519-g0f677ba-fm-20200601.001-g0f677ba6 Mime-Version: 1.0 Message-Id: In-Reply-To: <80e5403f-a842-4542-41d3-d1d8236af637@kaod.org> References: <20200602135050.593692-1-clg@kaod.org> <80e5403f-a842-4542-41d3-d1d8236af637@kaod.org> Date: Wed, 03 Jun 2020 10:15:59 +0930 From: "Andrew Jeffery" To: =?UTF-8?Q?C=C3=A9dric_Le_Goater?= , =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , "Peter Maydell" Subject: Re: [PATCH] docs/system: Document Aspeed boards Content-Type: text/plain Received-SPF: pass client-ip=64.147.123.20; envelope-from=andrew@aj.id.au; helo=wout4-smtp.messagingengine.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/02 20:46:23 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, Joel Stanley , Cameron Esfahani via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" > > >> + * Hash/Crypto Engine > >> + * PCI-Express 1 Controller > >> + * Graphic Display Controller > >> + * PECI Controller > >> + * MCTP Controller > >> + * Mailbox Controller > >> + * Virtual UART > > > > Uh what is that? :) > > It is the host console. > To explain a little more, a 16550-compatible set of registers are exposed to both the host (via e.g. the LPC bus) and the BMC, but the FIFOs are shared and the transmissions are nothing more than register writes/reads from each side. There's no RS-232 involved, hence "Virtual" I guess. Andrew