common/init/handoff.c

   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
  13 void 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
  26 void handoff_load_dram_size(struct spl_handoff *ho)
  27 {
  28         gd->ram_size = ho->ram_size;
  29 }
  30
  31 void 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 }