Some boards want to specify the manufacturer or product name but do not need to have their own sysinfo driver.
Add a default driver which provides a way to specify this SMBIOS information in the devicetree, without needing any board-specific functionality.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v6: - Fix 'manuafacture' typo in Kconfig
Changes in v5: - Fix 'manuafacture' typo in commit message
drivers/sysinfo/Kconfig | 8 ++++++++ drivers/sysinfo/Makefile | 1 + drivers/sysinfo/smbios.c | 24 ++++++++++++++++++++++++ lib/Kconfig | 3 +++ 4 files changed, 36 insertions(+) create mode 100644 drivers/sysinfo/smbios.c
diff --git a/drivers/sysinfo/Kconfig b/drivers/sysinfo/Kconfig index 39141500a05..85c1e81e411 100644 --- a/drivers/sysinfo/Kconfig +++ b/drivers/sysinfo/Kconfig @@ -22,4 +22,12 @@ config SYSINFO_SANDBOX help Support querying device information for the Sandbox boards.
+config SYSINFO_SMBIOS + bool "Provide a default sysinfo driver for SMBIOS information" + help + Some boards want to specify the manufacturer or product name but do + not need to have their own sysinfo driver. This includes a default + one which provides a way to specify this SMBIOS information in the + devicetree, without needing any board-specific functionality. + endif diff --git a/drivers/sysinfo/Makefile b/drivers/sysinfo/Makefile index aecf0b0d47c..6d04fcba1d1 100644 --- a/drivers/sysinfo/Makefile +++ b/drivers/sysinfo/Makefile @@ -5,3 +5,4 @@ obj-y += sysinfo-uclass.o obj-$(CONFIG_SYSINFO_GAZERBEAM) += gazerbeam.o obj-$(CONFIG_SYSINFO_SANDBOX) += sandbox.o +obj-$(CONFIG_SYSINFO_SMBIOS) += smbios.o diff --git a/drivers/sysinfo/smbios.c b/drivers/sysinfo/smbios.c new file mode 100644 index 00000000000..80ebd1921d8 --- /dev/null +++ b/drivers/sysinfo/smbios.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020 Google LLC + * Written by Simon Glass sjg@chromium.org + */ + +#include <common.h> +#include <dm.h> +#include <sysinfo.h> + +static const struct udevice_id sysinfo_smbios_ids[] = { + { .compatible = "u-boot,sysinfo-smbios" }, + { /* sentinel */ } +}; + +static const struct sysinfo_ops sysinfo_smbios_ops = { +}; + +U_BOOT_DRIVER(sysinfo_smbios) = { + .name = "sysinfo_smbios", + .id = UCLASS_SYSINFO, + .of_match = sysinfo_smbios_ids, + .ops = &sysinfo_smbios_ops, +}; diff --git a/lib/Kconfig b/lib/Kconfig index 8f487533e8c..fdc35a92322 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -658,6 +658,9 @@ config GENERATE_SMBIOS_TABLE
Check http://www.dmtf.org/standards/smbios for details.
+ See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in + the devicetree. + config SMBIOS_MANUFACTURER string "SMBIOS Manufacturer" depends on GENERATE_SMBIOS_TABLE