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Diffstat (limited to 'bsps/arm/imxrt/include/bsp.h')
-rw-r--r-- | bsps/arm/imxrt/include/bsp.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/bsps/arm/imxrt/include/bsp.h b/bsps/arm/imxrt/include/bsp.h new file mode 100644 index 0000000000..f93c28aee0 --- /dev/null +++ b/bsps/arm/imxrt/include/bsp.h @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup RTEMSBSPsARMimxrt + */ + +/* + * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef LIBBSP_ARM_IMXRT_BSP_H +#define LIBBSP_ARM_IMXRT_BSP_H + +/** + * @defgroup RTEMSBSPsARMimxrt NXP i.MXRT + * + * @ingroup RTEMSBSPsARM + * + * @brief NXP i.MXRT Board Support Package. + * + * @{ + */ + +#include <bspopts.h> + +#include <rtems.h> + +#include <bsp/default-initial-extension.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#define BSP_FEATURE_IRQ_EXTENSION + +#define BSP_FDT_IS_SUPPORTED +extern const unsigned char imxrt_dtb[]; +extern const size_t imxrt_dtb_size; + +void *imx_get_reg_of_node(const void *fdt, int node); + +rtems_vector_number imx_get_irq_of_node( + const void *fdt, + int node, + size_t index +); + +bool imxrt_fdt_node_is_enabled(const void *fdt, int node); + +/* + * About 50% between `basepri` in arm_interrupt_disable and the maximum for this + * chip. + */ +#define BSP_ARMV7M_IRQ_PRIORITY_DEFAULT (13 << 4) +#define BSP_ARMV7M_SYSTICK_PRIORITY (14 << 4) + +#define BSP_ARMV7M_SYSTICK_FREQUENCY imxrt_systick_frequency() +uint32_t imxrt_systick_frequency(void); + +void imxrt_lpspi_init(void); +void imxrt_lpi2c_init(void); +void imxrt_ffec_init(void); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +/* @} */ + +#endif /* LIBBSP_ARM_IMXRT_BSP_H */ |