text: // SPDX-License-Identifier: GPL-2.0+
  /*
   * (C) Copyright 2011, 2012, 2013
   * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com
   * Alexander Potashev, Emcraft Systems, aspotashev@emcraft.com
   * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com
   * Pavel Boldin, Emcraft Systems, paboldin@emcraft.com
   *
   * (C) Copyright 2015
   * Kamil Lulko, <kamil.lulko@gmail.com>
   */
  
  #include <common.h>
  #include <dm.h>
  
  #include <asm/io.h>
  #include <asm/arch/stm32.h>
  
  DECLARE_GLOBAL_DATA_PTR;
  
  int dram_init(void)
  {
  	int rv;
  	struct udevice *dev;
  
  	rv = uclass_get_device(UCLASS_RAM, 0, &dev);
  	if (rv) {
  		debug("DRAM init failed: %d\n", rv);
  		return rv;
  	}
  
  	if (fdtdec_setup_memory_size() != 0)
  		rv = -EINVAL;
  
  	return rv;
  }
  
  int dram_init_banksize(void)
  {
  	fdtdec_setup_memory_banksize();
  
  	return 0;
  }
  
  u32 get_board_rev(void)
  {
  	return 0;
  }
  
  int board_early_init_f(void)
  {
  	return 0;
  }
  
  int board_init(void)
  {
  	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  
  	return 0;
  }
  
  #ifdef CONFIG_MISC_INIT_R
  int misc_init_r(void)
  {
  	char serialno[25];
  	uint32_t u_id_low, u_id_mid, u_id_high;
  
  	if (!env_get("serial#")) {
  		u_id_low  = readl(&STM32_U_ID->u_id_low);
  		u_id_mid  = readl(&STM32_U_ID->u_id_mid);
  		u_id_high = readl(&STM32_U_ID->u_id_high);
  		sprintf(serialno, "%08x%08x%08x",
  			u_id_high, u_id_mid, u_id_low);
  		env_set("serial#", serialno);
  	}
  
  	return 0;
  }
  #endif
  