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