board/st/stm32mp1/spl.c

   1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
   4  */
   5
   6 #include <config.h>
   7 #include <common.h>
   8 #include <spl.h>
   9 #include <dm.h>
  10 #include <ram.h>
  11 #include <asm/io.h>
  12 #include <post.h>
  13 #include <power/pmic.h>
  14 #include <power/stpmic1.h>
  15 #include <asm/arch/ddr.h>
  16
  17 void spl_board_init(void)
  18 {
  19         /* Keep vdd on during the reset cycle */
  20 #if defined(CONFIG_PMIC_STPMIC1) && defined(CONFIG_SPL_POWER_SUPPORT)
  21         struct udevice *dev;
  22         int ret;
  23
  24         ret = uclass_get_device_by_driver(UCLASS_PMIC,
  25                                           DM_GET_DRIVER(pmic_stpmic1), &dev);
  26         if (!ret)
  27                 pmic_clrsetbits(dev,
  28                                 STPMIC1_BUCKS_MRST_CR,
  29                                 STPMIC1_MRST_BUCK(STPMIC1_BUCK3),
  30                                 STPMIC1_MRST_BUCK(STPMIC1_BUCK3));
  31 #endif
  32 }