81 lines
1.8 KiB
Plaintext
81 lines
1.8 KiB
Plaintext
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Aspeed AST2500 EVB
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Introduction
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============
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The AST2500 EVB is an evaluation board for the AST2500 SoC, most
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commonly used as a Server Management Processor. It includes an 800MHz
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ARM11 processor with DDR3 or DDR4 SDRAM (up to 1GB), SPI flash memory
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devices for BMC and host firmwares and numerous controllers to drive
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the server board.
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https://www.aspeedtech.com/server_ast2500/
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How to build it
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===============
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Configure buildroot:
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$ make aspeed_ast2500evb_defconfig
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Compile everything and build the rootfs image:
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$ make
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Result of the build
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===================
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After building, the output/images directory contains:
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output/images/
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├── aspeed-ast2500-evb.dtb
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├── flash.img
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├── image.itb
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├── rootfs.cpio
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├── rootfs.cpio.xz
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├── rootfs.tar
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├── u-boot.bin
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└── zImage
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Flashing the image
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==================
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To update the contents of the first flash device, copy flash.img :
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$ flashcp flash.img /dev/mtd0
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or simply the boot loader:
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$ flashcp u-boot.bin /dev/mtd1
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Preparing the board
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===================
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* Connect a serial line to the board
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* Power-up the board
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Booting the board
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=================
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The AST2500 EVB boots from the SPI flash device directly and loads a
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first bootloader (usually U-Boot). U-Boot will attempt to load a Linux
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kernel from the same flash device by default but other storage could
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be used.
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* from U-Boot
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The FIT image image.itb can be used to boot the board from U-Boot
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using tftp
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* with QEMU
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$ qemu-system-arm -M ast2500-evb \
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-drive file=output/images/flash.img,format=raw,if=mtd \
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-nographic
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$ qemu-system-arm -M ast2500-evb \
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-kernel output/images/zImage \
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-initrd output/images/rootfs.cpio \
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-dtb output/images/aspeed-ast2500-evb.dtb \
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-nographic
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