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

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