The command is able to show different information for the running system: * Model name * Board ID * Revision
This command can be used by boot shell scripts to select configurations depending on the specific running system.
Signed-off-by: Detlev Casanova detlev.casanova@collabora.com --- cmd/Kconfig | 6 +++ cmd/Makefile | 1 + cmd/sysinfo.c | 124 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 131 insertions(+) create mode 100644 cmd/sysinfo.c
diff --git a/cmd/Kconfig b/cmd/Kconfig index 365371fb511..ba4844853a1 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -210,6 +210,12 @@ config CMD_SBI help Display information about the SBI implementation.
+config CMD_SYSINFO + bool "sysinfo" + depends on SYSINFO + help + Display information about the system. + endmenu
menu "Boot commands" diff --git a/cmd/Makefile b/cmd/Makefile index 6c37521b4e2..ba4d6de9a1b 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -165,6 +165,7 @@ obj-$(CONFIG_CMD_SPI) += spi.o obj-$(CONFIG_CMD_STRINGS) += strings.o obj-$(CONFIG_CMD_SMC) += smccc.o obj-$(CONFIG_CMD_SYSBOOT) += sysboot.o +obj-$(CONFIG_CMD_SYSINFO) += sysinfo.o obj-$(CONFIG_CMD_STACKPROTECTOR_TEST) += stackprot_test.o obj-$(CONFIG_CMD_TEMPERATURE) += temperature.o obj-$(CONFIG_CMD_TERMINAL) += terminal.o diff --git a/cmd/sysinfo.c b/cmd/sysinfo.c new file mode 100644 index 00000000000..31cb27ae46e --- /dev/null +++ b/cmd/sysinfo.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2023 + * Detlev Casanova detlev.casanova@collabora.com + */ + +#include <command.h> +#include <env.h> +#include <sysinfo.h> +#include <vsprintf.h> + +static int get_sysinfo(struct udevice **dev) +{ + int ret = sysinfo_get(dev); + + if (ret) { + debug("Cannot get sysinfo: %d\n", ret); + return ret; + } + + ret = sysinfo_detect(*dev); + if (ret) { + debug("Cannot detect sysinfo: %d\n", ret); + return ret; + } + + return 0; +} + +static int do_sysinfo_model(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct udevice *dev; + char model[64]; + int ret = get_sysinfo(&dev); + + if (ret) + return ret; + + ret = sysinfo_get_str(dev, + SYSINFO_ID_BOARD_MODEL, + 64, + model); + + if (ret) { + debug("Cannot get sysinfo str: %d\n", ret); + return ret; + } + + if (argc == 2) + env_set(argv[1], model); + else + printf("%s\n", model); + + return 0; +} + +static int do_sysinfo_id(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct udevice *dev; + u32 board_id; + char board_id_str[5] = { '\0' }; + int ret = get_sysinfo(&dev); + + if (ret) + return ret; + + ret = sysinfo_get_int(dev, + SYSINFO_ID_BOARD_ID, + &board_id); + + if (ret) { + debug("Cannot get sysinfo int: %d\n", ret); + return ret; + } + + sprintf(board_id_str, "0x%02x", board_id); + if (argc == 2) + env_set(argv[1], board_id_str); + else + printf("%s\n", board_id_str); + + return 0; +} + +static int do_sysinfo_revision(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct udevice *dev; + char rev[4]; + int ret = get_sysinfo(&dev); + + if (ret) + return ret; + + ret = sysinfo_get_str(dev, + SYSINFO_ID_BOARD_REVISION, + 4, + rev); + + if (ret) { + debug("Cannot get sysinfo str: %d\n", ret); + return ret; + } + + if (argc == 2) + env_set(argv[1], rev); + else + printf("%s\n", rev); + + return 0; +} + +static char sysinfo_help_text[] = + "model <varname> - Show or set the board model in varname\n" + "sysinfo id <varname> - Show or set the board id in varname (in format 0xHH)\n" + "sysinfo revision <varname> - Show or set the board revision in varname"; + +U_BOOT_CMD_WITH_SUBCMDS(sysinfo, "System information", sysinfo_help_text, + U_BOOT_SUBCMD_MKENT(model, 2, 1, do_sysinfo_model), + U_BOOT_SUBCMD_MKENT(id, 2, 1, do_sysinfo_id), + U_BOOT_SUBCMD_MKENT(revision, 2, 1, do_sysinfo_revision), +);