common/init/handoff.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

// SPDX-License-Identifier: GPL-2.0+
/*
 * Passing basic information from SPL to U-Boot proper
 *
 * Copyright 2018 Google, Inc
 */

#include <common.h>
#include <handoff.h>
#include <asm/global_data.h>

DECLARE_GLOBAL_DATA_PTR;

void handoff_save_dram(struct spl_handoff *ho)
{
	struct bd_info *bd = gd->bd;
	int i;

	ho->ram_size = gd->ram_size;

	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
		ho->ram_bank[i].start = bd->bi_dram[i].start;
		ho->ram_bank[i].size = bd->bi_dram[i].size;
	}
}

void handoff_load_dram_size(struct spl_handoff *ho)
{
	gd->ram_size = ho->ram_size;
}

void handoff_load_dram_banks(struct spl_handoff *ho)
{
	struct bd_info *bd = gd->bd;
	int i;

	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
		bd->bi_dram[i].start = ho->ram_bank[i].start;
		bd->bi_dram[i].size = ho->ram_bank[i].size;
	}
}