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 <common.h>
9 #include <handoff.h>
10 #include <asm/global_data.h>
11 
12 DECLARE_GLOBAL_DATA_PTR;
13 
handoff_save_dram(struct spl_handoff * ho)14 void handoff_save_dram(struct spl_handoff *ho)
15 {
16 	struct bd_info *bd = gd->bd;
17 	int i;
18 
19 	ho->ram_size = gd->ram_size;
20 
21 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
22 		ho->ram_bank[i].start = bd->bi_dram[i].start;
23 		ho->ram_bank[i].size = bd->bi_dram[i].size;
24 	}
25 }
26 
handoff_load_dram_size(struct spl_handoff * ho)27 void handoff_load_dram_size(struct spl_handoff *ho)
28 {
29 	gd->ram_size = ho->ram_size;
30 }
31 
handoff_load_dram_banks(struct spl_handoff * ho)32 void handoff_load_dram_banks(struct spl_handoff *ho)
33 {
34 	struct bd_info *bd = gd->bd;
35 	int i;
36 
37 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
38 		bd->bi_dram[i].start = ho->ram_bank[i].start;
39 		bd->bi_dram[i].size = ho->ram_bank[i].size;
40 	}
41 }
42