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da5f274572
Change-Id: I1d85b76af002b8b672fcaeca94939b7420bc8243 Signed-off-by: Soby Mathew <soby.mathew@arm.com>
19 lines
594 B
C
19 lines
594 B
C
/*
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* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/* Helper functions to offer easier navigation of Device Tree Blob */
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#ifndef __FDT_WRAPPERS__
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#define __FDT_WRAPPERS__
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/* Number of cells, given total length in bytes. Each cell is 4 bytes long */
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#define NCELLS(len) ((len) / 4)
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int fdtw_read_cells(const void *dtb, int node, const char *prop,
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unsigned int cells, void *value);
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int fdtw_write_inplace_cells(void *dtb, int node, const char *prop,
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unsigned int cells, void *value);
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#endif /* __FDT_WRAPPERS__ */
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