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4d1caf58d2
Make the fdt_map parameter a pointer to const, since the function only reads the mapping table. This improves API correctness and allows maps to live in read-only data. No functional change intended Signed-off-by: Bhimeswararao Matsa <bhimeswararao.matsa@gmail.com>
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Library to support FDT file operations which are common
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*
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* Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
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*/
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#include <env.h>
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#include <stdio.h>
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#include "fdt_ops.h"
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void ti_set_fdt_env(const char *board_name, const struct ti_fdt_map *fdt_map)
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{
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char *fdt_file_name = NULL;
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char fdtfile[TI_FDT_FILE_MAX];
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if (board_name) {
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while (fdt_map) {
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/* Check for NULL terminator in the list */
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if (!fdt_map->board_name)
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break;
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if (!strncmp(fdt_map->board_name, board_name, TI_BOARD_NAME_MAX)) {
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fdt_file_name = fdt_map->fdt_file_name;
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break;
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}
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fdt_map++;
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}
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}
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/* match not found OR null board_name */
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if (!fdt_file_name) {
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/*
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* Prioritize CONFIG_DEFAULT_FDT_FILE - if that is not defined,
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* or is empty, then use CONFIG_DEFAULT_DEVICE_TREE
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*/
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#ifdef CONFIG_DEFAULT_FDT_FILE
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if (strlen(CONFIG_DEFAULT_FDT_FILE)) {
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snprintf(fdtfile, sizeof(fdtfile), "%s", CONFIG_DEFAULT_FDT_FILE);
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} else
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#endif
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{
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snprintf(fdtfile, sizeof(fdtfile), "%s.dtb", CONFIG_DEFAULT_DEVICE_TREE);
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}
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} else {
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snprintf(fdtfile, sizeof(fdtfile), "%s", fdt_file_name);
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}
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env_set("fdtfile", fdtfile);
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/*
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* XXX: DEPRECATION WARNING: 2 u-boot versions (2024.10).
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*
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* Maintain compatibility with downstream scripts that may be using
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* name_fdt
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*/
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if (board_name)
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env_set("name_fdt", fdtfile);
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/* Also set the findfdt legacy script to warn users to stop using this */
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env_set("findfdt",
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"echo WARN: fdtfile already set. Stop using findfdt in script");
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}
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