blob: aacb0f5ebf2e6e8736fcfabce4d7f39ab5bf27de [file] [log] [blame]
Simon Glassb0edea32018-11-15 18:44:09 -07001/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Passing basic information from SPL to U-Boot proper
4 *
5 * Copyright 2018 Google, Inc
6 */
7
8#ifndef __HANDOFF_H
9#define __HANDOFF_H
10
11#if CONFIG_IS_ENABLED(HANDOFF)
12
13#include <asm/handoff.h>
14
15/**
16 * struct spl_handoff - information passed from SPL to U-Boot proper
17 *
18 * @ram_size: Value to use for gd->ram_size
19 */
20struct spl_handoff {
21 struct arch_spl_handoff arch;
22 u64 ram_size;
23#ifdef CONFIG_NR_DRAM_BANKS
24 struct {
25 u64 start;
26 u64 size;
27 } ram_bank[CONFIG_NR_DRAM_BANKS];
28#endif
29};
30
31void handoff_save_dram(struct spl_handoff *ho);
32void handoff_load_dram_size(struct spl_handoff *ho);
33void handoff_load_dram_banks(struct spl_handoff *ho);
34#endif
35
36#endif