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/*
10 * Routine: save_boot_params (called after reset from start.S)
11 * Description: save ATAG/FDT address provided by the firmware at boot time
12 */
13
14.global save_boot_params
15save_boot_params:
16
17	/* The firmware provided ATAG/FDT address can be found in r2/x0 */
18#ifdef CONFIG_ARM64
19	adr	x8, fw_dtb_pointer
20	str	x0, [x8]
21#else
22	ldr	r8, =fw_dtb_pointer
23	str	r2, [r8]
24#endif
25
26	/* Returns */
27	b	save_boot_params_ret
28