2cde7dcc8d
Sparkfun RED-V Things Plus
* board: hifive1-revb: Update README-qemu.txt
* arch: fe310: Works with SparkFun RED-V Things Plus
Should work with HiFive1 Rev.B but not tested yet.
* boards: hifive1-revb: Works with SparkFun RED-V Things Plus
Should work with HiFive1 Rev.B but not tested yet.
Approved-by: Alan Carvalho de Assis <acassis@gmail.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
37 lines
882 B
Plaintext
37 lines
882 B
Plaintext
1. Download and install toolchain
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$ curl https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-ubuntu14.tar.gz
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2. Download and install J-Link Software Documentation Pack
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https://www.segger.com/downloads/jlink/
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$ sudo apt install JLink_Linux_V656b_x86_64.deb
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3. Configure and build NuttX
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$ mkdir ./nuttx; cd ./nuttx
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$ git clone https://bitbucket.org/nuttx/nuttx.git
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$ git clone https://bitbucket.org/nuttx/apps.git
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$ cd nuttx
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$ make distclean
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$ ./tools/configure.sh hifive1-revb:nsh
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$ make V=1
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4. Flash the nuttx with J-Link and run
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$ picocom -b 115200 /dev/ttyACM0
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$ /opt/SEGGER/JLink_V656b/JLinkGDBServer -device FE310
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$ riscv64-unknown-elf-gdb ./nuttx
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(gdb) target extended-remote:2331
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(gdb) load nuttx
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(gdb) c
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5. TODO
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Configure PLL
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Support GPIO/SPI/I2C/RTC/WDT/PWM
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Support RISC-V User mode
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