diff options
Diffstat (limited to 'drivers/clocksource/Kconfig')
| -rw-r--r-- | drivers/clocksource/Kconfig | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 4ef25ec45b..43974f03c2 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -14,6 +14,29 @@ config CLOCKSOURCE_CLPS711X bool depends on ARCH_CLPS711X +config CLOCKSOURCE_DUMMY + bool "Enable dummy software-only clocksource" + help + When porting barebox to a new SoC there might be a case + of broken or absent clocksource. This causes barebox serial + console to be non functional. + To solve the problem this software-only clocksource driver is used. + WARNING!!! This clocksource doesn't provide correct timing. + To adjust this clocksource please use CONFIG_CLOCKSOURCE_DUMMY_RATE. + The bigger rate valuest makes clocksource "faster". + It's possible to add this clocksource unconditionally. + This clocksource starts very early (pure_initcall) so + real clocksource will take over. + This can help if initialization order is wrong so that + the time functions are used before the real clocksource + was initialized. + +config CLOCKSOURCE_DUMMY_RATE + int + prompt "dummy clocksource rate" + depends on CLOCKSOURCE_DUMMY + default 1000 + config CLOCKSOURCE_MVEBU bool depends on ARCH_MVEBU |