Contrib/twoerner/gpio line names #4
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Signed-off-by: Cezary Sobczak <cezary.sobczak@3mdeb.com> %% original patch: 0001-sun20i-set-CONFIG_SYS_BOOTM_LEN.patch
Add line names for the Nezha's 40-pin header. Signed-off-by: Trevor Woerner <twoer B11A ner@gmail.com>
MartinHerren
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Apr 15, 2025
Add detailed SMBIOS information as following: 1. Missing fields in Type smaeul#3 and smaeul#4 2. Type smaeul#7 Add support to dynamic length of contained object handles and elements. As SMBIOS is a fundamental feature which is enabled for all boards, in order to avoid increasing rom size, all detailed SMBIOS information is under kconfig GENERATE_SMBIOS_TABLE_VERBOSE. Board maintainers can determine whether to select this feature. Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
MartinHerren
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Apr 15, 2025
Raymond Mao <raymond.mao@linaro.org> says: Motivations for changes: Current SMBIOS library and command-line tool is not fully matching with the requirements: 1. Missing support for other mandatory types (smaeul#7, u-boot#9, u-boot#16, u-boot#17, u-boot#19). 2. Only a few platforms support SMBIOS node from the device tree. 3. Values of some fields are hardcoded in the library other than fetching from the device hardware. 4. Embedded data with dynamic length is not supported (E.g. Contained Object Handles in Type smaeul#2 and Contained Elements in Type smaeul#3) Changes: 1. Refactor the SMBIOS library and command-line tool to better align with the SMBIOS spec. 2. Create an arch-specific driver for all aarch64-based platforms to fetch SMBIOS private data from the device hardware (processor and cache). 3. Create a sysinfo driver to poppulate platform SMBIOS private data. 4. Add generic SMBIOS DTS file for arm64 platforms for those common strings and values which cannot be retrieved from the system registers. Vendors can create their own SMBIOS node using this as an example. For those boards without SMBIOS nodes, this DTS file can be included to have a generic SMBIOS information of the system. 5. Add support for Type smaeul#7 (Cache Information) and link its handles to Type smaeul#4. 6. To minimize size-growth for those platforms which have not sufficient ROM spaces or the platforms which don't need detailed SMBIOS information, new added fields are only being built when kconfig GENERATE_SMBIOS_TABLE_VERBOSE is selected. Once this patch is acceptted, subsequent patch sets will add other missing types (u-boot#9, u-boot#16, u-boot#17, u-boot#19). Tests: To test this with QEMU arm64, please follow the guide on dt_qemu.rst to get a merged DT to run with. ``` qemu-system-aarch64 -machine virt -machine dumpdtb=qemu.dtb cat <(dtc -I dtb qemu.dtb) <(dtc -I dtb ./dts/dt.dtb | grep -v /dts-v1/) \ | dtc - -o merged.dtb qemu-system-aarch64 -machine virt -nographic -bios u-boot.bin \ -dtb merged.dtb ``` Link: https://lore.kernel.org/r/20241206225438.13866-1-raymond.mao@linaro.org
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