forked from Imagelibrary/rtems
c2a1db3cde
- Add genet FDT support. Main reference: https://www.kernel.org/doc/Documentation/devicetree/bindings/net/brcm%2Cbcmgenet.yaml - Add genet mmu - Add raspberrypi4 nocache area
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSBSPsAArch64Raspberrypi4
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*
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* @brief This source file contains the implementatin of bsp_fdt_get().
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*/
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/*
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* Copyright (C) 2024 Ning Yang
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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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#include <bsp.h>
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#include <bsp/fdt.h>
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const void *bsp_fdt_get(void)
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{
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return bcm2711_rpi_4_b_dtb;
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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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{
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if (icells != 3) {
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return 0;
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}
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return (intr[0] == 0 ? 32 : 16) + intr[1];
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} |