LXR uboot/board/st/stm32f469-discovery/stm32f469-discovery.c

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