1/* 2 * Utility functions for FEL mode. 3 * 4 * Copyright (c) 2015 Google, Inc 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9#include <asm-offsets.h> 10#include <config.h> 11#include <asm/system.h> 12#include <linux/linkage.h> 13 14ENTRY(save_boot_params) 15 ldr r0, =fel_stash 16 str sp, [r0, #0] 17 str lr, [r0, #4] 18 b save_boot_params_ret 19ENDPROC(save_boot_params) 20 21ENTRY(return_to_fel) 22 mov sp, r0 23 mov lr, r1 24 bx lr 25ENDPROC(return_to_fel) 26