xref: /openbmc/u-boot/common/init/handoff.c (revision 9450ab2b) 
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 
11 DECLARE_GLOBAL_DATA_PTR;
12 
handoff_save_dram(struct spl_handoff * ho)13 void handoff_save_dram(struct spl_handoff *ho)
14 {
15 	ho->ram_size = gd->ram_size;
16 #ifdef CONFIG_NR_DRAM_BANKS
17 	{
18 		struct bd_info *bd = gd->bd;
19 		int i;
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 #endif
27 }
28 
handoff_load_dram_size(struct spl_handoff * ho)29 void handoff_load_dram_size(struct spl_handoff *ho)
30 {
31 	gd->ram_size = ho->ram_size;
32 }
33 
handoff_load_dram_banks(struct spl_handoff * ho)34 void handoff_load_dram_banks(struct spl_handoff *ho)
35 {
36 #ifdef CONFIG_NR_DRAM_BANKS
37 	{
38 		struct bd_info *bd = gd->bd;
39 		int i;
40 
41 		for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
42 			bd->bi_dram[i].start = ho->ram_bank[i].start;
43 			bd->bi_dram[i].size = ho->ram_bank[i].size;
44 		}
45 	}
46 #endif
47 }
48