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soc: arm: nordic: handle nRF52832 anomaly 109

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Enable workaround for anomaly 109 by default when affected peripherals
are enabled.

Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
This commit is contained in:
Jordan Yates 2023-07-03 19:39:10 +10:00 • committed by Carles Cufí
commit 1e06ba2328
3 changed files with 26 additions and 0 deletions
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7
modules/hal_nordic/nrfx/nrfx_config.h
View file

@ -487,6 +487,13 @@
#define NRFX_WDT1_ENABLED 1
#endif
#ifdef CONFIG_NRF52_ANOMALY_109_WORKAROUND
#define NRFX_SPIM_NRF52_ANOMALY_109_WORKAROUND_ENABLED 1
#define NRFX_SPIS_NRF52_ANOMALY_109_WORKAROUND_ENABLED 1
#define NRFX_TWIM_NRF52_ANOMALY_109_WORKAROUND_ENABLED 1
#define NRFX_PWM_NRF52_ANOMALY_109_WORKAROUND_ENABLED 1
#endif
#if defined(CONFIG_SOC_SERIES_BSIM_NRFXX)
#include "nrfx_config_bsim.h"
#endif

8
soc/arm/nordic_nrf/nrf52/CMakeLists.txt
View file

@ -14,3 +14,11 @@ zephyr_library_include_directories(
if(CONFIG_SOC_NRF52832_ALLOW_SPIM_DESPITE_PAN_58 AND CONFIG_SPI_NRFX_SPIM)
message(WARNING "Both SOC_NRF52832_ALLOW_SPIM_DESPITE_PAN_58 and an NRF SPIM driver are enabled, therefore PAN 58 will apply if RXD.MAXCNT == 1 and TXD.MAXCNT <= 1")
endif()
if(CONFIG_SOC_NRF52832)
if(NOT CONFIG_NRF52_ANOMALY_109_WORKAROUND)
if (CONFIG_NRFX_SPIS OR CONFIG_NRFX_SPIM OR CONFIG_NRFX_TWIM OR CONFIG_NRFX_PWM)
message(WARNING "NRF52_ANOMALY_109_WORKAROUND disabled with SPIS, SPIM, TWIM or PWM enabled. This will occasionally cause the first byte transmitted to be incorrect")
endif()
endif()
endif()

11
soc/arm/nordic_nrf/nrf52/Kconfig.soc
View file

@ -129,4 +129,15 @@ config NRF52_ANOMALY_198_WORKAROUND
This anomaly applies to IC revisions "Engineering B" up to "3", the most
recent one.
config NRF52_ANOMALY_109_WORKAROUND
bool "Anomaly 109 workaround"
default y
depends on SOC_NRF52832
depends on NRFX_SPIS || NRFX_SPIM || NRFX_TWIM || NRFX_PWM
help
Due to Anomaly 109 the first byte sent out by these peripherals is
sometimes wrong. This occurs when the system enters IDLE and stops the
64MHz clock at the same time as the peripheral that is using DMA is started.
This anomaly applies to IC revisions up to "3", the most recent one.
endif # SOC_SERIES_NRF52X