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 <s...@chromium.org>
Reviewed-by: Bin Meng <bmeng...@gmail.com>
---
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..ee55b6206f4 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 manuafacture 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 <s...@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 79651eaad19..c4dc2bbf8e5 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -649,6 +649,9 @@ 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
--
2.29.1.341.ge80a0c044ae-goog
