diff options
Diffstat (limited to 'common/Kconfig')
| -rw-r--r-- | common/Kconfig | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/common/Kconfig b/common/Kconfig index 9b73aa8454..d1baee60e6 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -989,23 +989,34 @@ config RESET_SOURCE useful for any kind of system recovery or repair. config MACHINE_ID - bool "pass machine-id to kernel" + bool "compute unique machine-id" depends on FLEXIBLE_BOOTARGS depends on SHA1 help - Sets the linux.bootargs.machine_id global variable with a value of - systemd.machine_id=UID. The UID is a persistent device-specific - id. It is a hash over device-specific information provided by various - sources. + Compute a persistent machine-specific id and store it to $global.machine_id. + The id is a hash of device-specific information added via + machine_id_set_hashable(). If multiple sources are available, the + information provided by the last call prior to the late initcall + set_machine_id() is used to generate the machine id from. Thus when + updating barebox the machine id might change. - Note: if multiple sources provide hashable device-specific information - (via machine_id_set_hashable()) the information provided by the last call - prior to the late initcall set_machine_id() is used to generate the - machine id from. Thus when updating barebox the machine id might change. + global.bootm.provide_machine_id may be used to automatically set + the linux.bootargs.machine_id global variable with a value of + systemd.machine_id=${global.machine_id} Note: if no hashable information is available no machine id will be passed to the kernel. +config SYSTEMD_OF_WATCHDOG + bool "inform devicetree-enabled kernel of used watchdog" + depends on WATCHDOG && OFTREE && FLEXIBLE_BOOTARGS + help + Sets the linux.bootargs.dyn.watchdog global variable with a value of + systemd.watchdog-device=/dev/WDOG if barebox succeeded in enabling + the watchdog WDOG prior to boot. WDOG is the alias of the watchdog + in the kernel device tree. If the kernel is booted without a device + tree or with one that lacks aliases, nothing is added. + menu "OP-TEE loading" config OPTEE_SIZE |