git.sur5r.net Git - u-boot/blob - board/st/stm32f469-discovery/stm32f469-discovery.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) STMicroelectronics SA 2017
   4  * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9
  10 #include <asm/io.h>
  11 #include <asm/arch/stm32.h>
  12
  13 DECLARE_GLOBAL_DATA_PTR;
  14
  15 int dram_init(void)
  16 {
  17         int rv;
  18         struct udevice *dev;
  19
  20         rv = uclass_get_device(UCLASS_RAM, 0, &dev);
  21         if (rv) {
  22                 debug("DRAM init failed: %d\n", rv);
  23                 return rv;
  24         }
  25
  26         if (fdtdec_setup_memory_size() != 0)
  27                 rv = -EINVAL;
  28
  29         return rv;
  30 }
  31
  32 int dram_init_banksize(void)
  33 {
  34         fdtdec_setup_memory_banksize();
  35
  36         return 0;
  37 }
  38
  39 u32 get_board_rev(void)
  40 {
  41         return 0;
  42 }
  43
  44 int board_early_init_f(void)
  45 {
  46         return 0;
  47 }
  48
  49 int board_init(void)
  50 {
  51         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  52
  53         return 0;
  54 }
  55
  56 #ifdef CONFIG_MISC_INIT_R
  57 int misc_init_r(void)
  58 {
  59         char serialno[25];
  60         u32 u_id_low, u_id_mid, u_id_high;
  61
  62         if (!env_get("serial#")) {
  63                 u_id_low  = readl(&STM32_U_ID->u_id_low);
  64                 u_id_mid  = readl(&STM32_U_ID->u_id_mid);
  65                 u_id_high = readl(&STM32_U_ID->u_id_high);
  66                 sprintf(serialno, "%08x%08x%08x",
  67                         u_id_high, u_id_mid, u_id_low);
  68                 env_set("serial#", serialno);
  69         }
  70
  71         return 0;
  72 }
  73 #endif