blob: 435eed521f62ad40ef68ffd8785e4da4f58590dd [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2016
* C├ędric Schieli <cschieli@gmail.com>
*/
#include <config.h>
.align 8
.global fw_dtb_pointer
fw_dtb_pointer:
#ifdef CONFIG_ARM64
.dword 0x0
#else
.word 0x0
#endif
/*
* Routine: save_boot_params (called after reset from start.S)
* Description: save ATAG/FDT address provided by the firmware at boot time
*/
.global save_boot_params
save_boot_params:
/* The firmware provided ATAG/FDT address can be found in r2/x0 */
#ifdef CONFIG_ARM64
adr x8, fw_dtb_pointer
str x0, [x8]
#else
str r2, fw_dtb_pointer
#endif
/* Returns */
b save_boot_params_ret