2022-02-25 17:25:08 +08:00
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Intro
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=====
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Andestech AE350 Platform
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The AE350 prototype demonstrates the AE350 platform on the FPGA.
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How to build it
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===============
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Configure Buildroot
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-------------------
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$ make andes_ae350_45_defconfig
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If you want to customize your configuration:
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$ make menuconfig
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Build everything
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----------------
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Note: you will need to access to the network, since Buildroot will
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download the packages' sources.
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$ make
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Result of the build
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-------------------
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After building, you should obtain the following files:
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output/images/
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2022-11-16 10:55:29 +08:00
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|-- ae350_ax45mp.dtb
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2022-02-25 17:25:08 +08:00
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|-- boot.vfat
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|-- fw_dynamic.bin
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|-- fw_dynamic.elf
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|-- Image
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|-- rootfs.ext2
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|-- rootfs.ext4 -> rootfs.ext2
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|-- sdcard.img
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|-- u-boot-spl.bin
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`-- u-boot.itb
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2024-09-25 15:21:51 +08:00
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How to update the bootloader and device-tree
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============================================
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To update the bootloader and device tree, make sure you have
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an ICEman (Andes OpenOCD [1]) and AICE [2] connection set up
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as below:
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Local Host Local/Remote Host
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.-----------------. .--------------.
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| buildroot images| | |
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| | ICEman host <IP:PORT>
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| .----------. | | .--------. |
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| | SPI_burn |<---+--socket--+->| ICEman | |
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| '----------' | | '--.-----' |
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'-----------------' '-----|--------'
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USB
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.--------------. |
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| target | .-----v-----.
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| board <----JTAG---| AICE |
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| | '-----------'
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'--------------'
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[1] https://github.com/andestech/ICEman
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[2] https://www.andestech.com/en/products-solutions/andeshape-platforms/aice-micro/
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The Andes SPI_burn tool will be located in output/host/bin. Use
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the following commands to update the bootloader and device tree:
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$ SPI_burn --host $ICE_IP --port $ICE_BURNER_PORT --addr 0x0 -i u-boot-spl.bin
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$ SPI_burn --host $ICE_IP --port $ICE_BURNER_PORT --addr 0x10000 -i u-boot.itb
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$ SPI_burn --host $ICE_IP --port $ICE_BURNER_PORT --addr 0xf0000 -i ae350_ax45mp.dtb
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Note that the --addr option specifies the offset starting from
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the flash base address 0x80000000 and set by U-Boot configurations.
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e.g.
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u-boot-spl.bin : CONFIG_SPL_TEXT_BASE=0x80000000
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u-boot.itb : CONFIG_SPL_LOAD_FIT_ADDRESS=0x80010000
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ae350_ax45mp.dtb: CONFIG_SYS_FDT_BASE=0x800f0000
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How to write the SD card
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========================
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2022-02-25 17:25:08 +08:00
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Copy the sdcard.img to a SD card with "dd":
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$ sudo dd if=sdcard.img of=/dev/sdX bs=4096
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$ sudo sync
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Your SD card partition should be:
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Disk /dev/sdb: 14.48 GiB, 15552479232 bytes, 30375936 sectors
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Disk model: Multi-Card
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Units: sectors of 1 * 512 = 512 bytes
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Sector size (logical/physical): 512 bytes / 512 bytes
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I/O size (minimum/optimal): 512 bytes / 512 bytes
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Disklabel type: dos
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Disk identifier: 0x00000000
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Device Boot Start End Sectors Size Id Type
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/dev/sdb1 1 4096 4096 2M c W95 FAT32 (LBA)
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/dev/sdb2 * 4097 126976 122880 60M 83 Linux
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Insert SD card and reset the board, it should boot Linux from mmc.
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