diff options
Diffstat (limited to 'arch/blackfin/Kconfig')
| -rw-r--r-- | arch/blackfin/Kconfig | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index cea2bfd64a5..c04e7a4836f 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -241,12 +241,6 @@ config IRQ_PER_CPU depends on SMP default y -config TICK_SOURCE_SYSTMR0 - bool - select BFIN_GPTIMERS - depends on SMP - default y - config BF_REV_MIN int default 0 if (BF51x || BF52x || (BF54x && !BF54xM)) @@ -607,7 +601,6 @@ source kernel/Kconfig.hz config GENERIC_TIME bool "Generic time" - depends on !SMP default y config GENERIC_CLOCKEVENTS @@ -615,12 +608,26 @@ config GENERIC_CLOCKEVENTS depends on GENERIC_TIME default y +choice + prompt "Kernel Tick Source" + depends on GENERIC_CLOCKEVENTS + default TICKSOURCE_CORETMR + +config TICKSOURCE_GPTMR0 + bool "Gptimer0 (SCLK domain)" + select BFIN_GPTIMERS + depends on !IPIPE + +config TICKSOURCE_CORETMR + bool "Core timer (CCLK domain)" + +endchoice + config CYCLES_CLOCKSOURCE - bool "Use 'CYCLES' as a clocksource (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "Use 'CYCLES' as a clocksource" depends on GENERIC_CLOCKEVENTS depends on !BFIN_SCRATCH_REG_CYCLES - default n + depends on !SMP help If you say Y here, you will enable support for using the 'cycles' registers as a clock source. Doing so means you will be unable to @@ -628,6 +635,11 @@ config CYCLES_CLOCKSOURCE still be able to read it (such as for performance monitoring), but writing the registers will most likely crash the kernel. +config GPTMR0_CLOCKSOURCE + bool "Use GPTimer0 as a clocksource (higher rating)" + depends on GENERIC_CLOCKEVENTS + depends on !TICKSOURCE_GPTMR0 + source kernel/time/Kconfig comment "Misc" |