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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id z124sm7335100wmg.20.2020.05.21.12.16.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 May 2020 12:16:17 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 04/29] docs/system: Document Arm Versatile Express boards Date: Thu, 21 May 2020 20:15:45 +0100 Message-Id: <20200521191610.10941-5-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200521191610.10941-1-peter.maydell@linaro.org> References: <20200521191610.10941-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::443; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x443.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_NONE=-0.0001, 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Provide a minimal documentation of the Versatile Express boards (vexpress-a9, vexpress-a15). Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Edgar E. Iglesias Reviewed-by: Alex Bennée Message-id: 20200507151819.28444-4-peter.maydell@linaro.org --- docs/system/arm/vexpress.rst | 60 ++++++++++++++++++++++++++++++++++++ docs/system/target-arm.rst | 1 + MAINTAINERS | 1 + 3 files changed, 62 insertions(+) create mode 100644 docs/system/arm/vexpress.rst diff --git a/docs/system/arm/vexpress.rst b/docs/system/arm/vexpress.rst new file mode 100644 index 00000000000..7f1bcbef078 --- /dev/null +++ b/docs/system/arm/vexpress.rst @@ -0,0 +1,60 @@ +Arm Versatile Express boards (``vexpress-a9``, ``vexpress-a15``) +================================================================ + +QEMU models two variants of the Arm Versatile Express development +board family: + +- ``vexpress-a9`` models the combination of the Versatile Express + motherboard and the CoreTile Express A9x4 daughterboard +- ``vexpress-a15`` models the combination of the Versatile Express + motherboard and the CoreTile Express A15x2 daughterboard + +Note that as this hardware does not have PCI, IDE or SCSI, +the only available storage option is emulated SD card. + +Implemented devices: + +- PL041 audio +- PL181 SD controller +- PL050 keyboard and mouse +- PL011 UARTs +- SP804 timers +- I2C controller +- PL031 RTC +- PL111 LCD display controller +- Flash memory +- LAN9118 ethernet + +Unimplemented devices: + +- SP810 system control block +- PCI-express +- USB controller (Philips ISP1761) +- Local DAP ROM +- CoreSight interfaces +- PL301 AXI interconnect +- SCC +- System counter +- HDLCD controller (``vexpress-a15``) +- SP805 watchdog +- PL341 dynamic memory controller +- DMA330 DMA controller +- PL354 static memory controller +- BP147 TrustZone Protection Controller +- TrustZone Address Space Controller + +Other differences between the hardware and the QEMU model: + +- QEMU will default to creating one CPU unless you pass a different + ``-smp`` argument +- QEMU allows the amount of RAM provided to be specified with the + ``-m`` argument +- QEMU defaults to providing a CPU which does not provide either + TrustZone or the Virtualization Extensions: if you want these you + must enable them with ``-machine secure=on`` and ``-machine + virtualization=on`` +- QEMU provides 4 virtio-mmio virtio transports; these start at + address ``0x10013000`` for ``vexpress-a9`` and at ``0x1c130000`` for + ``vexpress-a15``, and have IRQs from 40 upwards. If a dtb is + provided on the command line then QEMU will edit it to include + suitable entries describing these transports for the guest. diff --git a/docs/system/target-arm.rst b/docs/system/target-arm.rst index d459efb3d20..1c759aa1a08 100644 --- a/docs/system/target-arm.rst +++ b/docs/system/target-arm.rst @@ -78,6 +78,7 @@ undocumented; you can get a complete list by running arm/integratorcp arm/realview arm/versatile + arm/vexpress arm/musicpal arm/nseries arm/orangepi diff --git a/MAINTAINERS b/MAINTAINERS index 1e006c98fab..6a9280c1b03 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -828,6 +828,7 @@ M: Peter Maydell L: qemu-arm@nongnu.org S: Maintained F: hw/arm/vexpress.c +F: docs/system/arm/vexpress.rst Versatile PB M: Peter Maydell -- 2.20.1