board/st/stm32mp1/spl.c

   1 /*
   2  * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+        BSD-3-Clause
   5  */
   6
   7 #include <config.h>
   8 #include <common.h>
   9 #include <spl.h>
  10 #include <dm.h>
  11 #include <ram.h>
  12 #include <asm/io.h>
  13 #include <post.h>
  14 #include <power/pmic.h>
  15 #include <power/stpmu1.h>
  16 #include <asm/arch/ddr.h>
  17
  18 void spl_board_init(void)
  19 {
  20         /* Keep vdd on during the reset cycle */
  21 #if defined(CONFIG_PMIC_STPMU1) && defined(CONFIG_SPL_POWER_SUPPORT)
  22         struct udevice *dev;
  23         int ret;
  24
  25         ret = uclass_get_device_by_driver(UCLASS_PMIC,
  26                                           DM_GET_DRIVER(pmic_stpmu1), &dev);
  27         if (!ret)
  28                 pmic_clrsetbits(dev,
  29                                 STPMU1_MASK_RESET_BUCK,
  30                                 STPMU1_MASK_RESET_BUCK3,
  31                                 STPMU1_MASK_RESET_BUCK3);
  32 #endif
  33 }