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Diffstat (limited to 'doc/board/openpiton/riscv64.rst')
| -rw-r--r-- | doc/board/openpiton/riscv64.rst | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/doc/board/openpiton/riscv64.rst b/doc/board/openpiton/riscv64.rst index 253b37c..3a97793 100644 --- a/doc/board/openpiton/riscv64.rst +++ b/doc/board/openpiton/riscv64.rst @@ -3,8 +3,6 @@ Openpiton RISC-V SoC ==================== -OpenPiton RISC-V SoC --------------------- OpenPiton is an open source, manycore processor and research platform. It is a tiled manycore framework scalable from one to 1/2 billion cores. It supports a number of ISAs including RISC-V with its P-Mesh cache coherence protocol and @@ -14,21 +12,23 @@ running full-stack Debian linux. RISC-V Standard Bootflow ------------------------- + Currently, OpenPiton implements RISC-V standard bootflow in the following steps mover.S -> u-boot-spl -> opensbi -> u-boot -> Linux This board supports S-mode u-boot as well as M-mode SPL Building OpenPition --------------------- + If you'd like to build OpenPiton, please go to OpenPiton github repo (at https://github.com/PrincetonUniversity/openpiton) to build from the latest changes Building Images ---------------------------- +--------------- SPL ---- +~~~ 1. Add the RISC-V toolchain to your PATH. 2. Setup ARCH & cross compilation environment variable: @@ -42,7 +42,7 @@ SPL 4. make U-Boot ------- +~~~~~~ 1. Add the RISC-V toolchain to your PATH. 2. Setup ARCH & cross compilation environment variable: @@ -55,9 +55,8 @@ U-Boot 3. make openpiton_riscv64_defconfig 4. make - opensbi -------- +~~~~~~~ 1. Add the RISC-V toolchain to your PATH. 2. Setup ARCH & cross compilation environment variable: @@ -70,9 +69,9 @@ opensbi 3. Go to OpenSBI directory 4. make PLATFORM=fpga/openpiton FW_PAYLOAD_PATH=<path to u-boot-nodtb.bin> +Using fw_payload.bin with Linux +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -Using fw_payload.bin with linux -------------------------------- Put the generated fw_payload.bin into the /boot directory on the root filesystem, plug in the SD card, then flash the bitstream. Linux will boot automatically. @@ -81,7 +80,7 @@ Booting Once you plugin the sdcard and power up, you should see the U-Boot prompt. Sample Dual-core Debian boot log from OpenPiton ------------------------------------------------ +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: none |