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"Das U-Boot" Source Tree
1// 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#include <handoff.h>
9#include <asm/global_data.h>
10
11DECLARE_GLOBAL_DATA_PTR;
12
13void handoff_save_dram(struct spl_handoff *ho)
14{
15 struct bd_info *bd = gd->bd;
16 int i;
17
18 ho->ram_size = gd->ram_size;
19
20 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
21 ho->ram_bank[i].start = bd->bi_dram[i].start;
22 ho->ram_bank[i].size = bd->bi_dram[i].size;
23 }
24}
25
26void handoff_load_dram_size(struct spl_handoff *ho)
27{
28 gd->ram_size = ho->ram_size;
29}
30
31void handoff_load_dram_banks(struct spl_handoff *ho)
32{
33 struct bd_info *bd = gd->bd;
34 int i;
35
36 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
37 bd->bi_dram[i].start = ho->ram_bank[i].start;
38 bd->bi_dram[i].size = ho->ram_bank[i].size;
39 }
40}