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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2015, 2017 embedded brains GmbH & Co. KG
*
* 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_SHARED_FDT_H
#define LIBBSP_SHARED_FDT_H
#include <bsp.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* BSPs that implement the FDT support functions must define
* BSP_FDT_IS_SUPPORTED.
*/
/**
* @brief Copies the specified source FDT to a dedicated global data area.
*
* The source FDT is usually provided by a bootloader and may be located in a
* memory area that is used by the program. The low-level initialization
* should copy the FDT for later use.
*
* The copy can be accessed by bsp_fdt_get().
*
* @param[in] src The source FDT.
*/
void bsp_fdt_copy(const void *src);
/**
* @brief Returns the FDT of the BSP.
*
* @return The FDT of the BSP.
*/
const void *bsp_fdt_get(void);
/**
* @brief Maps the interrupt number of the FDT to the interrupt vector used by
* the interrupt management.
*
* This function is used by the libbsd to implement the OFW_BUS_MAP_INTR bus
* method.
*
* @param[in] intr The FDT interrupt number cells.
* @param[in] icells The FDT interrupt cell count.
*
* @return The interrupt vector of the FDT interrupt number.
*/
uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_SHARED_FDT_H */
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