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litex: reduce clock to 80MHz and add no-ident-version

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The no-ident-version flag is needed to produce exactly equal outputs
from LiteX, where both the BIOS and the design do not change from one
build to the other, due to changes in the BIOS LiteX timestamp

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
This commit is contained in:
Alessandro Comodi 2020-11-23 12:16:04 +01:00 committed by Robert Winkler
parent de69002bc5
commit f8dd027c18
1 changed files with 1 additions and 1 deletions
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README.rst
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@ -163,7 +163,7 @@ To build the litex example, run the following commands:
wget https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14.tar.gz wget https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14.tar.gz
tar -xf riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14.tar.gz tar -xf riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14.tar.gz
export PATH=$PATH:$PWD/riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14/bin/ export PATH=$PATH:$PWD/riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14/bin/
pushd litex/litex/boards/targets && ./arty.py --toolchain symbiflow --cpu-type vexriscv --build && popd pushd litex/litex/boards/targets && ./arty.py --toolchain symbiflow --cpu-type vexriscv --sys-clk-freq 80e6 --no-ident-version --build && popd
To build the linux-litex-demo example, run the following commands: To build the linux-litex-demo example, run the following commands: