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https://github.com/kernelkit/infix.git
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Joachim Wiberg
ab56c1be50
This commit consolidates all BSP support files into the Buildroot standard board/ directory. The concept of selectable boards in menuconfig remains as-is but now lives in board/ instead. Drop support for board-specific post-build.sh scripts, not needed atm. and we should really use Buildroot _POST_INSTALL_HOOKS in the board .mk files instead. Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
67 lines
1.9 KiB
Markdown
67 lines
1.9 KiB
Markdown
Starfive VisionFive2
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====================
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The [VisionFive2][1] is a low-cost RISC-V 64-bit based platform, powered
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by the Starfive JH7110 processor.
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Infix runs from either SD card or eMMC, this guide only covers SD card.
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How to Build
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------------
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```
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$ make visionfive2_defconfig
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$ make
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```
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Once the build has finished you will have `output/images/sdcard.img`
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which you can flash to an SD card.
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```
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$ sudo dd if=output/images/sdcard.img of=/dev/mmcblk0 bs=1M status=progress oflag=direct
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```
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> **WARNING:** ensure `/dev/mmcblk0` really is the correct device for
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> your SD card, and not used by the system!
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Bootstrap Mode
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--------------
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Ensure the correct [bootstrap mode][3] for booting from SD card. From
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factory the board is preset to start from QSPI flash, which also has a
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U-Boot that tries to load a Linux system from SD card, or fail-over to
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load from the network.
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| **Mode** | **`RGPIO_1`** | **`RGPIO_0`** |
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|----------|---------------|---------------|
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| QSPI NOR | 0 (L) | 0 (L) |
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| SD card | 0 (L) | 1 (H) |
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| eMMC | 1 (H) | 0 (L) |
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| UART | 1 (H) | 1 (H) |
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> **Note:** the DIP switches are flipped 180° so don't get confused by
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> the socket's `ON` label. Look at the L and H markings on the board!
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Booting the Board
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-----------------
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1. Connect a TTL UART cable to pin 6 (GND), 8 (TX) and 10 (RX)
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2. Insert your SD card
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3. Power-up the board using an USB-C cable
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You need a *stable power source*! If you get the following on the
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console at power on, try to power cycle the device again:
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```
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dwmci_s: Response Timeout.
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dwmci_s: Response Timeout.
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BOOT fail,Error is 0xffffffff
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```
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[1]: https://doc-en.rvspace.org/Doc_Center/visionfive_2.html
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[2]: https://doc-en.rvspace.org/VisionFive2/Quick_Start_Guide/VisionFive2_SDK_QSG/recovering_bootloader%20-%20vf2.html
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[3]: https://doc-en.rvspace.org/VisionFive2/Quick_Start_Guide/VisionFive2_SDK_QSG/boot_mode_settings.html
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