Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
154 lines
5.3 KiB
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154 lines
5.3 KiB
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Nuvoton iBMC boards (``kudo-bmc``, ``mori-bmc``, ``npcm750-evb``, ``quanta-gbs-bmc``, ``quanta-gsj``, ``npcm845-evb``)
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======================================================================================================================
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The `Nuvoton iBMC`_ chips are a family of Arm-based SoCs that are
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designed to be used as Baseboard Management Controllers (BMCs) in various
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servers. Currently there are two families: NPCM7XX series and
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NPCM8XX series. NPCM7XX series feature one or two Arm Cortex-A9 CPU cores,
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while NPCM8XX feature 4 Arm Cortex-A35 CPU cores. Both series contain a
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different assortment of peripherals targeted for either Enterprise or Data
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Center / Hyperscale applications.
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.. _Nuvoton iBMC: https://www.nuvoton.com/products/cloud-computing/ibmc/
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The NPCM750 SoC has two Cortex-A9 cores and is targeted for the Enterprise
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segment. The following machines are based on this chip :
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- ``npcm750-evb`` Nuvoton NPCM750 Evaluation board
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The NPCM730 SoC has two Cortex-A9 cores and is targeted for Data Center and
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Hyperscale applications. The following machines are based on this chip :
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- ``quanta-gbs-bmc`` Quanta GBS server BMC
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- ``quanta-gsj`` Quanta GSJ server BMC
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- ``kudo-bmc`` Fii USA Kudo server BMC
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- ``mori-bmc`` Fii USA Mori server BMC
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There are also two more SoCs, NPCM710 and NPCM705, which are single-core
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variants of NPCM750 and NPCM730, respectively. These are currently not
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supported by QEMU.
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The NPCM8xx SoC is the successor of the NPCM7xx SoC. It has 4 Cortex-A35 cores.
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The following machines are based on this chip :
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- ``npcm845-evb`` Nuvoton NPCM845 Evaluation board
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Supported devices
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-----------------
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* SMP (Dual Core Cortex-A9)
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* Cortex-A9MPCore built-in peripherals: SCU, GIC, Global Timer, Private Timer
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and Watchdog.
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* SRAM, ROM and DRAM mappings
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* System Global Control Registers (GCR)
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* Clock and reset controller (CLK)
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* Timer controller (TIM)
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* Serial ports (16550-based)
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* DDR4 memory controller (dummy interface indicating memory training is done)
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* OTP controllers (no protection features)
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* Flash Interface Unit (FIU; no protection features)
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* Random Number Generator (RNG)
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* USB host (USBH)
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* GPIO controller
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* Analog to Digital Converter (ADC)
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* Pulse Width Modulation (PWM)
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* SMBus controller (SMBF)
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* Ethernet controller (EMC)
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* Tachometer
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* Peripheral SPI controller (PSPI)
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Missing devices
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---------------
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* LPC/eSPI host-to-BMC interface, including
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* Keyboard and mouse controller interface (KBCI)
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* Keyboard Controller Style (KCS) channels
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* BIOS POST code FIFO
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* System Wake-up Control (SWC)
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* Shared memory (SHM)
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* eSPI slave interface
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* Block-transfer interface (8XX only)
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* Virtual UART (8XX only)
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* Ethernet controller (GMAC)
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* USB device (USBD)
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* SD/MMC host
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* PECI interface
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* PCI and PCIe root complex and bridges
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* VDM and MCTP support
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* Serial I/O expansion
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* LPC/eSPI host
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* Coprocessor
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* Graphics
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* Video capture
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* Encoding compression engine
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* Security features
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* I3C buses (8XX only)
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* Temperature sensor interface (8XX only)
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* Virtual UART (8XX only)
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* Flash monitor (8XX only)
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* JTAG master (8XX only)
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Boot options
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------------
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The Nuvoton machines can boot from an OpenBMC firmware image, or directly into
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a kernel using the ``-kernel`` option. OpenBMC machine names do not always
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match QEMU machine names. Check the OpenBMC supported-machine list and Jenkins
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for currently available source and pre-built images.
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Known OpenBMC (v2.18.0) target names for QEMU Nuvoton machines per:
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https://github.com/openbmc/openbmc/blob/2.18.0/meta-phosphor/docs/supported-machines.md
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.. list-table::
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:header-rows: 1
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* - QEMU machine
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- OpenBMC machine
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* - ``npcm750-evb``
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- ``evb-npcm750``
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* - ``npcm845-evb``
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- ``evb-npcm845``
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* - ``quanta-gbs-bmc``
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- ``gbs``
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* - ``kudo-bmc``
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- ``kudo``
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* - ``mori-bmc``
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- ``mori``
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As of June 2026, the latest OpenBMC release, ``2.18.0``, no longer lists a
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``gsj`` machine. To build an image for QEMU's ``quanta-gsj`` machine, use an
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older OpenBMC release that still contains ``meta-quanta/meta-gsj``. The
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``2.14.0`` release contains the ``gsj`` machine:
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https://github.com/openbmc/openbmc/tree/2.14.0/meta-quanta/meta-gsj
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Some pre-built OpenBMC images for QEMU Nuvoton machines may be available on
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Jenkins:
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https://jenkins.openbmc.org/
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To find a pre-built MTD image on Jenkins, start from the Jenkins home page and
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open the ``latest-master`` job. Select the matrix configuration whose
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``target`` matches the OpenBMC machine name, for example
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``label=docker-builder,target=gbs``, then open its latest successful build's
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artifacts. The MTD image is usually published under
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``openbmc/build/tmp/deploy/images/<machine>/`` as
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``obmc-phosphor-image-<machine>-<timestamp>.static.mtd``. If Jenkins does not
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list a matching target, or the build artifacts do not include an MTD image,
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there is no current pre-built MTD image for that machine.
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The firmware image should be attached as an MTD drive. Example:
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.. code-block:: bash
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$ qemu-system-arm -machine quanta-gbs-bmc -nographic \
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-drive file=obmc-phosphor-image-gbs-xxxxxx.static.mtd,if=mtd,bus=0,unit=0,format=raw
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The default root password for test images is usually ``0penBmc``.
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For other machines that don't have pre-built images on Jenkins, build an image
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from source by following the OpenBMC build documentation.
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