86 lines
2.4 KiB
ReStructuredText
86 lines
2.4 KiB
ReStructuredText
Aspeed family boards (``*-bmc``, ``ast2500-evb``, ``ast2600-evb``)
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==================================================================
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The QEMU Aspeed machines model BMCs of various OpenPOWER systems and
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Aspeed evaluation boards. They are based on different releases of the
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Aspeed SoC : the AST2400 integrating an ARM926EJ-S CPU (400MHz), the
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AST2500 with an ARM1176JZS CPU (800MHz) and more recently the AST2600
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with dual cores ARM Cortex A7 CPUs (1.2GHz).
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The SoC comes with RAM, Gigabit ethernet, USB, SD/MMC, USB, SPI, I2C,
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etc.
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AST2400 SoC based machines :
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- ``palmetto-bmc`` OpenPOWER Palmetto POWER8 BMC
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AST2500 SoC based machines :
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- ``ast2500-evb`` Aspeed AST2500 Evaluation board
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- ``romulus-bmc`` OpenPOWER Romulus POWER9 BMC
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- ``witherspoon-bmc`` OpenPOWER Witherspoon POWER9 BMC
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- ``sonorapass-bmc`` OCP SonoraPass BMC
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- ``swift-bmc`` OpenPOWER Swift BMC POWER9
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AST2600 SoC based machines :
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- ``ast2600-evb`` Aspeed AST2600 Evaluation board (Cortex A7)
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- ``tacoma-bmc`` OpenPOWER Witherspoon POWER9 AST2600 BMC
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Supported devices
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-----------------
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* SMP (for the AST2600 Cortex-A7)
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* Interrupt Controller (VIC)
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* Timer Controller
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* RTC Controller
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* I2C Controller
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* System Control Unit (SCU)
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* SRAM mapping
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* X-DMA Controller (basic interface)
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* Static Memory Controller (SMC or FMC) - Only SPI Flash support
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* SPI Memory Controller
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* USB 2.0 Controller
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* SD/MMC storage controllers
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* SDRAM controller (dummy interface for basic settings and training)
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* Watchdog Controller
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* GPIO Controller (Master only)
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* UART
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* Ethernet controllers
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Missing devices
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---------------
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* Coprocessor support
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* ADC (out of tree implementation)
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* PWM and Fan Controller
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* LPC Bus Controller
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* Slave GPIO Controller
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* Super I/O Controller
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* Hash/Crypto Engine
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* PCI-Express 1 Controller
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* Graphic Display Controller
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* PECI Controller
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* MCTP Controller
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* Mailbox Controller
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* Virtual UART
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* eSPI Controller
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* I3C Controller
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Boot options
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------------
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The Aspeed machines can be started using the -kernel option to load a
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Linux kernel or from a firmare image which can be downloaded from the
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OpenPOWER jenkins :
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https://openpower.xyz/
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The image should be attached as an MTD drive. Run :
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.. code-block:: bash
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$ qemu-system-arm -M romulus-bmc -nic user \
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-drive file=flash-romulus,format=raw,if=mtd -nographic
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