67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*
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* Copyright (c) 2020 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#define I2C_ENABLED(idx) (IS_ENABLED(CONFIG_I2C) && \
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DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(i2c##idx)))
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#define SPI_ENABLED(idx) (IS_ENABLED(CONFIG_SPI) && \
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DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(spi##idx)))
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#define UART_ENABLED(idx) (IS_ENABLED(CONFIG_SERIAL) && \
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(IS_ENABLED(CONFIG_SOC_SERIES_NRF53X) || \
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IS_ENABLED(CONFIG_SOC_SERIES_NRF54LX) || \
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IS_ENABLED(CONFIG_SOC_SERIES_NRF91X)) && \
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DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart##idx)))
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/*
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* In most Nordic SoCs, SPI and TWI peripherals with the same instance number
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* share certain resources and therefore cannot be used at the same time (in
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* nRF53, nRF54L and nRF91 Series this limitation concerns UART peripherals as well).
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*
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* In some SoCs, like nRF52810, there are only single instances of
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* these peripherals and they are arranged in a different way, so this
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* limitation does not apply.
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*
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* The build assertions below check if conflicting peripheral instances are not
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* enabled simultaneously.
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*/
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#define CHECK(idx) \
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!(I2C_ENABLED(idx) && SPI_ENABLED(idx)) && \
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!(I2C_ENABLED(idx) && UART_ENABLED(idx)) && \
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!(SPI_ENABLED(idx) && UART_ENABLED(idx))
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#define MSG(idx) \
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"Only one of the following peripherals can be enabled: " \
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"SPI"#idx", SPIM"#idx", SPIS"#idx", TWI"#idx", TWIM"#idx", TWIS"#idx \
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IF_ENABLED(CONFIG_SOC_SERIES_NRF53X, (", UARTE"#idx)) \
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IF_ENABLED(CONFIG_SOC_SERIES_NRF54LX, (", UARTE"#idx)) \
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IF_ENABLED(CONFIG_SOC_SERIES_NRF91X, (", UARTE"#idx)) \
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". Check nodes with status \"okay\" in zephyr.dts."
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#if (!IS_ENABLED(CONFIG_SOC_NRF52810) && \
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!IS_ENABLED(CONFIG_SOC_NRF52805) && \
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!IS_ENABLED(CONFIG_SOC_NRF52811))
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BUILD_ASSERT(CHECK(0), MSG(0));
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#endif
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BUILD_ASSERT(CHECK(1), MSG(1));
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BUILD_ASSERT(CHECK(2), MSG(2));
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BUILD_ASSERT(CHECK(3), MSG(3));
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BUILD_ASSERT(CHECK(00), MSG(00));
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BUILD_ASSERT(CHECK(20), MSG(20));
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BUILD_ASSERT(CHECK(21), MSG(21));
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BUILD_ASSERT(CHECK(22), MSG(22));
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BUILD_ASSERT(CHECK(30), MSG(30));
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#if defined(CONFIG_SOC_NRF52811)
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BUILD_ASSERT(!(SPI_ENABLED(1) && I2C_ENABLED(0)),
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"Only one of the following peripherals can be enabled: "
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"SPI1, SPIM1, SPIS1, TWI0, TWIM0, TWIS0. "
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"Check nodes with status \"okay\" in zephyr.dts.");
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#endif
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