1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * (C) Copyright 2016
4 * Cédric Schieli <cschieli@gmail.com>
5 */
6
7#include <config.h>
8
9.align 8
10.global fw_dtb
11fw_dtb:
12	.dword 0x0
13
14/*
15 * Routine: save_boot_params (called after reset from start.S)
16 * Description: save ATAG/FDT address provided by the firmware at boot time
17 */
18
19.global save_boot_params
20save_boot_params:
21
22	/* The firmware provided ATAG/FDT address can be found in r2/x0 */
23	adr	x8, fw_dtb
24	str	x0, [x8]
25
26	/* Returns */
27	b	save_boot_params_ret
28