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logging: log_backend_swo: Get clock frequency from DTS

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The log_backend_swo used system clock frequency
as a base for SWO clock calculation. This commit
corrects that by obtaining the needed value from DTS.

Signed-off-by: Piotr Zięcik <piotr.ziecik@nordicsemi.no>
This commit is contained in:
Piotr Zięcik 2019-04-11 14:28:52 +02:00 • committed by Carles Cufí
commit 09b64467a9
6 changed files with 9 additions and 5 deletions
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soc/arm/silabs_exx32/efr32mg12p/dts_fixup.h
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@ -9,6 +9,7 @@
/* SoC level DTS fixup file */
#define DT_NUM_IRQ_PRIO_BITS DT_ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
#define DT_CPU_CLOCK_FREQUENCY DT_ARM_CORTEX_M4F_0_CLOCK_FREQUENCY
#define DT_FLASH_DEV_BASE_ADDRESS DT_SILABS_GECKO_FLASH_CONTROLLER_400E0000_BASE_ADDRESS
#define DT_FLASH_DEV_NAME DT_SILABS_GECKO_FLASH_CONTROLLER_400E0000_LABEL