/* * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /* Helper functions to offer easier navigation of Device Tree Blob */ #ifndef __FDT_WRAPPERS__ #define __FDT_WRAPPERS__ /* Number of cells, given total length in bytes. Each cell is 4 bytes long */ #define NCELLS(len) ((len) / 4U) int fdtw_read_cells(const void *dtb, int node, const char *prop, unsigned int cells, void *value); int fdtw_write_inplace_cells(void *dtb, int node, const char *prop, unsigned int cells, void *value); #endif /* __FDT_WRAPPERS__ */