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The Linux kernel will maintain the device tree (DT) for HiFive Unleashed
from release v5.2-rc6. This DT is incompatible with previous DT
present for Microsemi expansion board in OpenSBI.
Since, OpenSBI will directly load the pre-built DTB from kernel now onwards,
no need to keep the out-of-date DT in openSBI. Remove this DT and
it's related documentation.
Signed-off-by: Atish Patra <[email protected]>
Acked-by: Anup Patel <[email protected]>
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With 5.2-rc6 release, Linux kernel hosts the DT for Unleashed board
which is incompatible with the default DT from FSBL.
Update the document to use the DT from kernel.
Signed-off-by: Atish Patra <[email protected]>
Acked-by: Anup Patel <[email protected]>
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Signed-off-by: Panagiotis Peristerakis <[email protected]>
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Signed-off-by: Atish Patra <[email protected]>
Acked-by: Anup Patel <[email protected]>
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- OpenSBI build target should be: qemu/sifive_u
- U-Boot config name should be: sifive_fu540_defconfig
Signed-off-by: Bin Meng <[email protected]>
Reviewed-by: Atish Patra <[email protected]>
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This patch adds documenation about dynamic firmware.
Signed-off-by: Anup Patel <[email protected]>
Reviewed-by: Alistair Francis <[email protected]>
Reviewed-by: Atish Patra <[email protected]>
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- fix some broken hyperlinks
- add additional hyperlinks to references to external documents
- reformat some paragraphs to keep lines under 80 characters
- unify the enumeration style between different parts of the
documentation
- fix spelling/grammar mistakes
- extend the copyright notice in README.md to be the same as the
one in COPYING.BSD
Signed-off-by: Karsten Merker <[email protected]>
Reviewed-by: Atish Patra <[email protected]>
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Fix typo on parenthesis.
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Signed-off-by: Shawn Chang <[email protected]>
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All dependant patches are merged in U-Boot and Linux kernel now.
Update the unleashed guide to reflect that and fix the documentation
about tftp loading path as well.
Signed-off-by: Atish Patra <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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- Correct the payload address in the RV64 examples that use
fw_jump.elf.
- Change the qemu console configuration in the examples from
"-display none -serial stdio" to "-nographic". This results in
qemu handing down a CTRL-C on the emulated console to the VM
instead of terminating the qemu process.
- Provide examples for RV32.
- Various text corrections.
Signed-off-by: Karsten Merker <[email protected]>
Reviewed-by: Alistair Francis <[email protected]>
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We now have an OpenSBI mailing list available for development
and discussiong so update contributing.md accordingly. The
Github PR based review and issue tracking will also continue
to exist.
Signed-off-by: Anup Patel <[email protected]>
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Use the newly introduced "options" in "struct sbi_scratch" to
conditionally disable the boot prints.
Signed-off-by: Bin Meng <[email protected]>
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It's U-Boot, not U-boot.
Signed-off-by: Bin Meng <[email protected]>
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Signed-off-by: Atish Patra <[email protected]>
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Following updates to fu540 platform guide.
1. Update a section about flashing the firmware binary
to sdcard with correct partition identifier.
2. Refer the individual payload section.
3. Update uboot booting section.
Signed-off-by: Atish Patra <[email protected]>
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Signed-off-by: Atish Patra <[email protected]>
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Signed-off-by: Atish Patra <[email protected]>
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Signed-off-by: Alistair Francis <[email protected]>
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Usage non-breaking hyphen breaks make docs as doxygen doesn't know
how to handle this.
Signed-off-by: Atish Patra <[email protected]>
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Clarify the libraries descriptions.
Signed-off-by: Damien Le Moal <[email protected]>
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Clarify platform support description.
Also fix some Typos, grammar and document style.
Signed-off-by: Damien Le Moal <[email protected]>
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In order to support 32-bit guests move the start address to a 4MB
allignment. As 64-bit kernels have a requirement on being 2MB alligned
let's just make this the default for both 32 and 64 bit kernels.
Signed-off-by: Alistair Francis <[email protected]>
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This patch updates doxygen config file to include
docs/platform_guide.md and docs/library_usage.md in
generated PDF document.
Signed-off-by: Anup Patel <[email protected]>
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This patch adds static library usage guide (i.e.
docs/library_usage.md).
Signed-off-by: Anup Patel <[email protected]>
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This patch adds initial platform support guide (i.e.
docs/platform_guide.md).
Signed-off-by: Anup Patel <[email protected]>
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Add a readme guide for fu540 with different types of build & booting steps.
Signed-off-by: Atish Patra <[email protected]>
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Signed-off-by: Atish Patra <[email protected]>
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Mostly reformating. Some minor edits.
Signed-off-by: Damien Le Moal <[email protected]>
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List supported platforms and point to the platform specific document.
Signed-off-by: Damien Le Moal <[email protected]>
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Reformatting, typos, and various corrections.
Signed-off-by: Damien Le Moal <[email protected]>
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Reformatting, typos, and various corrections.
Signed-off-by: Damien Le Moal <[email protected]>
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Provide an overview of all supported firmware files and point to each
firmware type documentation file.
Signed-off-by: Damien Le Moal <[email protected]>
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Explicitely mention that this project adheres to the Developer
Certificate of Origin (DCO) and include this short text.
Also reformat the file to have lines bounded at 80 chars and add some
more details regarding the expected commit message format.
Signed-off-by: Damien Le Moal <[email protected]>
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Signed-off-by: Atish Patra <[email protected]>
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Add a space before (FW_JUMP) to make it more readable.
This also fixes "No newline at end of file" warning.
Signed-off-by: Bin Meng <[email protected]>
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The PDF document generated by doxygen should have OpenSBI version
hence this patch adds OpenSBI version to doxygen.cfg.
Signed-off-by: Anup Patel <[email protected]>
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Use a more neutral term more representative of this payload intent.
Signed-off-by: Damien Le Moal <[email protected]>
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Add rules to compile dts files into dtb files using the device tree
compiler (dtc). A platform can specify the DTS file to compile using
the platform-dtb-y variable. The flattened device tree binary file to be
used for building the final polatform firmware can be specified using
the new FW_PAYLOAD_FDT firmware configuration option to point to the
automatically compiled FDT file. Using the existing FW_PAYLOAD_FDT_PATH
configuration option is still possible and will take precedence over
the FW_PAYLOAD_FDT definition.
Signed-off-by: Damien Le Moal <[email protected]>
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The firmware payload offset defined by FW_PAYLOAD_OFFSET must
specify a value large enough so the the payload does not overlap
with the base firmware data, bss and text. For platforms without
any strong requirement on the payload address, introduce the
FW_PAYLOAD_ALIGN build parameter to automatically place the payload
right after the base firmware at an address aligned with the defined
value.
Either FW_PAYLOAD_OFFSET or FW_PAYLOAD_ALIGN should be defined by a
platform configuration. If both FW_PAYLOAD_OFFSET and FW_PAYLOAD_ALIGN
are defined by a platform, FW_PAYLOAD_OFFSET has precedence and is
used for building the final firmawre image.
Using FW_PAYLOAD_ALIGN=4096 with the Kendryte platform rather than
the abitrary FW_PAYLOAD_OFFSET=0x10000 value reduces the final
firmware image size by about 20KB.
Add a description of the FW_PAYLOAD_ALIGN configuration parameter in the
fw_payload documentation file as well. And while at it, also fix
various grammar and style issues in that file..
Signed-off-by: Damien Le Moal <[email protected]>
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The patch updates title in contributing.md to match
other .md files under docs/ directory.
Signed-off-by: Anup Patel <[email protected]>
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This patch extends top-level makefile to build and install
documentation. The 'docs' make target is for building the
documentation PDF whereas 'install_docs' make target is for
installing the documentation PDF.
Signed-off-by: Anup Patel <[email protected]>
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Signed-off-by: Alistair Francis <[email protected]>
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This patch adds documentation for qemu/virt and
qemu/sifive_u platform supports.
Signed-off-by: Anup Patel <[email protected]>
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This patch renames "blob" to "firmware" everywhere for better
and intutive naming.
Signed-off-by: Anup Patel <[email protected]>
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This patch adds documentation for fw_jump and fw_payload
firmware blobs.
Signed-off-by: Anup Patel <[email protected]>
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