stm32f429-discovery.c 1.4 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2011, 2012, 2013
  4. * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com
  5. * Alexander Potashev, Emcraft Systems, aspotashev@emcraft.com
  6. * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com
  7. * Pavel Boldin, Emcraft Systems, paboldin@emcraft.com
  8. *
  9. * (C) Copyright 2015
  10. * Kamil Lulko, <kamil.lulko@gmail.com>
  11. */
  12. #include <common.h>
  13. #include <dm.h>
  14. #include <env.h>
  15. #include <init.h>
  16. #include <log.h>
  17. #include <asm/io.h>
  18. #include <asm/arch/stm32.h>
  19. DECLARE_GLOBAL_DATA_PTR;
  20. int dram_init(void)
  21. {
  22. int rv;
  23. struct udevice *dev;
  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. if (fdtdec_setup_mem_size_base() != 0)
  30. rv = -EINVAL;
  31. return rv;
  32. }
  33. int dram_init_banksize(void)
  34. {
  35. fdtdec_setup_memory_banksize();
  36. return 0;
  37. }
  38. u32 get_board_rev(void)
  39. {
  40. return 0;
  41. }
  42. int board_early_init_f(void)
  43. {
  44. return 0;
  45. }
  46. int board_init(void)
  47. {
  48. gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
  49. return 0;
  50. }
  51. #ifdef CONFIG_MISC_INIT_R
  52. int misc_init_r(void)
  53. {
  54. char serialno[25];
  55. uint32_t u_id_low, u_id_mid, u_id_high;
  56. if (!env_get("serial#")) {
  57. u_id_low = readl(&STM32_U_ID->u_id_low);
  58. u_id_mid = readl(&STM32_U_ID->u_id_mid);
  59. u_id_high = readl(&STM32_U_ID->u_id_high);
  60. sprintf(serialno, "%08x%08x%08x",
  61. u_id_high, u_id_mid, u_id_low);
  62. env_set("serial#", serialno);
  63. }
  64. return 0;
  65. }
  66. #endif