board/st/stm32f429-evaluation/stm32f429-evaluation.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
   4  * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <env.h>
  10 #include <init.h>
  11 #include <log.h>
  12
  13 #include <asm/io.h>
  14 #include <asm/arch/stm32.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 int dram_init(void)
  19 {
  20         int rv;
  21         struct udevice *dev;
  22
  23         rv = uclass_get_device(UCLASS_RAM, 0, &dev);
  24         if (rv) {
  25                 debug("DRAM init failed: %d\n", rv);
  26                 return rv;
  27         }
  28
  29         if (fdtdec_setup_mem_size_base() != 0)
  30                 rv = -EINVAL;
  31
  32         return rv;
  33 }
  34
  35 int dram_init_banksize(void)
  36 {
  37         fdtdec_setup_memory_banksize();
  38
  39         return 0;
  40 }
  41
  42 u32 get_board_rev(void)
  43 {
  44         return 0;
  45 }
  46
  47 int board_early_init_f(void)
  48 {
  49         return 0;
  50 }
  51
  52 int board_init(void)
  53 {
  54         gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
  55
  56         return 0;
  57 }
  58
  59 #ifdef CONFIG_MISC_INIT_R
  60 int misc_init_r(void)
  61 {
  62         char serialno[25];
  63         u32 u_id_low, u_id_mid, u_id_high;
  64
  65         if (!env_get("serial#")) {
  66                 u_id_low  = readl(&STM32_U_ID->u_id_low);
  67                 u_id_mid  = readl(&STM32_U_ID->u_id_mid);
  68                 u_id_high = readl(&STM32_U_ID->u_id_high);
  69                 sprintf(serialno, "%08x%08x%08x",
  70                         u_id_high, u_id_mid, u_id_low);
  71                 env_set("serial#", serialno);
  72         }
  73
  74         return 0;
  75 }
  76 #endif