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 <power/pmic.h>
  13 #include <power/stpmic1.h>
  14 #include <asm/arch/ddr.h>
  15
  16 void spl_board_init(void)
  17 {
  18         /* Keep vdd on during the reset cycle */
  19 #if defined(CONFIG_PMIC_STPMIC1) && defined(CONFIG_SPL_POWER_SUPPORT)
  20         struct udevice *dev;
  21         int ret;
  22
  23         ret = uclass_get_device_by_driver(UCLASS_PMIC,
  24                                           DM_GET_DRIVER(pmic_stpmic1), &dev);
  25         if (!ret)
  26                 pmic_clrsetbits(dev,
  27                                 STPMIC1_BUCKS_MRST_CR,
  28                                 STPMIC1_MRST_BUCK(STPMIC1_BUCK3),
  29                                 STPMIC1_MRST_BUCK(STPMIC1_BUCK3));
  30 #endif
  31 }