forked from Imagelibrary/rtems
81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (C) 2015, 2017 embedded brains GmbH & Co. KG
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LIBBSP_SHARED_FDT_H
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#define LIBBSP_SHARED_FDT_H
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#include <bsp.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/*
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* BSPs that implement the FDT support functions must define
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* BSP_FDT_IS_SUPPORTED.
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*/
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/**
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* @brief Copies the specified source FDT to a dedicated global data area.
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*
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* The source FDT is usually provided by a bootloader and may be located in a
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* memory area that is used by the program. The low-level initialization
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* should copy the FDT for later use.
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*
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* The copy can be accessed by bsp_fdt_get().
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*
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* @param[in] src The source FDT.
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*/
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void bsp_fdt_copy(const void *src);
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/**
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* @brief Returns the FDT of the BSP.
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*
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* @return The FDT of the BSP.
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*/
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const void *bsp_fdt_get(void);
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/**
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* @brief Maps the interrupt number of the FDT to the interrupt vector used by
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* the interrupt management.
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*
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* This function is used by the libbsd to implement the OFW_BUS_MAP_INTR bus
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* method.
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*
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* @param[in] intr The FDT interrupt number cells.
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* @param[in] icells The FDT interrupt cell count.
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*
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* @return The interrupt vector of the FDT interrupt number.
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*/
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uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* LIBBSP_SHARED_FDT_H */
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