From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH 10/10] Documentation: add RISC-V docs
Date: Sun, 15 Apr 2018 14:28:58 +0300 [thread overview]
Message-ID: <20180415112858.5163-11-antonynpavlov@gmail.com> (raw)
In-Reply-To: <20180415112858.5163-1-antonynpavlov@gmail.com>
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
Documentation/boards/riscv.rst | 106 +++++++++++++++++++++++++++++++++
1 file changed, 106 insertions(+)
diff --git a/Documentation/boards/riscv.rst b/Documentation/boards/riscv.rst
new file mode 100644
index 0000000000..0cde02305e
--- /dev/null
+++ b/Documentation/boards/riscv.rst
@@ -0,0 +1,106 @@
+RISC-V
+======
+
+Running RISC-V barebox on qemu
+------------------------------
+
+Obtain RISC-V GCC/Newlib Toolchain,
+see https://github.com/riscv/riscv-tools/blob/master/README.md
+for details. The ``build.sh`` script from ``riscv-tools`` should
+create toolchain.
+
+Next compile qemu emulator::
+
+ $ git clone -b 20180409.erizo https://github.com/miet-riscv-workgroup/riscv-qemu
+ $ cd riscv-qemu
+ $ cap="no" ./configure \
+ --extra-cflags="-Wno-maybe-uninitialized" \
+ --audio-drv-list="" \
+ --disable-attr \
+ --disable-blobs \
+ --disable-bluez \
+ --disable-brlapi \
+ --disable-curl \
+ --disable-curses \
+ --disable-docs \
+ --disable-kvm \
+ --disable-spice \
+ --disable-sdl \
+ --disable-vde \
+ --disable-vnc-sasl \
+ --disable-werror \
+ --enable-trace-backend=simple \
+ --disable-stack-protector \
+ --target-list=riscv32-softmmu,riscv64-softmmu
+ $ make
+
+
+Next compile barebox::
+
+ $ make erizo_generic_defconfig ARCH=riscv
+ ...
+ $ make ARCH=riscv CROSS_COMPILE=<path to your riscv toolchain>/riscv32-unknown-elf-
+
+Run barebox::
+
+ $ <path to riscv-qemu source>/riscv32-softmmu/qemu-system-riscv32 \
+ -nographic -M erizo -bios <path to barebox sources >/barebox.bin \
+ -serial stdio -monitor none -trace file=/dev/null
+
+ nmon> q
+
+ copy loop done
+ restarting...
+
+ nmon> q
+ Switch to console [cs0]
+
+
+ barebox 2018.04.0-00140-gc717a0b017 #0 Sun Apr 15 11:30:42 MSK 2018
+
+
+ Board: generic Erizo SoC board
+ m25p80 m25p128@00: unrecognized JEDEC id bytes: 00, 0, 0
+ m25p80 m25p128@00: probe failed: error 2
+ malloc space: 0x80100000 -> 0x801fffff (size 1 MiB)
+ running /env/bin/init...
+ /env/bin/init not found
+ barebox:/
+
+
+Running RISC-V barebox on DE0-Nano FPGA board
+---------------------------------------------
+
+See https://github.com/open-design/riscv-soc-cores/ for instructions
+on DE0-Nano bitstream generation and loading.
+
+Connect to board's UART with your favorite serial communication software
+(e.g. minicom) and check 'nmon> ' prompt (nmon runs from onchip ROM).
+
+Next close your communication software and use ./scripts/nmon-loader
+to load barebox image into board's DRAM, e.g.
+
+ # ./scripts/nmon-loader barebox.erizo.nmon /dev/ttyUSB0 115200
+
+Wait several munutes for 'nmon> ' prompt.
+
+Next, start barebox from DRAM:
+
+ nmon> g 80000000
+
+You should see one more 'nmon> ' prompt (this nmon runs from DRAM).
+Exit nmon with 'q' command:
+
+ nmon> q
+ Switch to console [cs0]
+
+
+ barebox 2018.04.0-00140-gc717a0b017 #0 Sun Apr 15 11:30:42 MSK 2018
+
+
+ Board: generic Erizo SoC board
+ m25p80 m25p128@00: s25sl064p (8192 Kbytes)
+ malloc space: 0x80100000 -> 0x801fffff (size 1 MiB)
+ running /env/bin/init...
+ /env/bin/init not found
+ barebox:/
--
2.17.0
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prev parent reply other threads:[~2018-04-15 11:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-15 11:28 [PATCH 00/10] Add initial RISC-V architecture support Antony Pavlov
2018-04-15 11:28 ` [PATCH 01/10] " Antony Pavlov
2018-04-17 6:22 ` Sascha Hauer
2018-06-25 6:46 ` Antony Pavlov
2018-04-15 11:28 ` [PATCH 02/10] RISC-V: add Erizo SoC support Antony Pavlov
2018-04-17 6:30 ` Sascha Hauer
2018-04-15 11:28 ` [PATCH 03/10] RISC-V: add low-level debug macros for ns16550 Antony Pavlov
2018-04-15 11:28 ` [PATCH 04/10] RISC-V: add nmon nano-monitor Antony Pavlov
2018-04-15 11:28 ` [PATCH 05/10] RISC-V: erizo: add DEBUG_LL support Antony Pavlov
2018-04-15 11:28 ` [PATCH 06/10] RISC-V: erizo: enable NMON Antony Pavlov
2018-04-15 11:28 ` [PATCH 07/10] RISC-V: erizo: add nmon image creation Antony Pavlov
2018-04-17 6:34 ` Sascha Hauer
2018-04-15 11:28 ` [PATCH 08/10] RISC-V: add erizo_generic_defconfig Antony Pavlov
2018-04-15 11:28 ` [PATCH 09/10] scripts: add nmon-loader Antony Pavlov
2018-04-15 11:28 ` Antony Pavlov [this message]
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