stm32f429-evaluation.c 1.2 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
  4. * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
  5. */
  6. #include <common.h>
  7. #include <dm.h>
  8. #include <env.h>
  9. #include <init.h>
  10. #include <log.h>
  11. #include <asm/io.h>
  12. #include <asm/arch/stm32.h>
  13. DECLARE_GLOBAL_DATA_PTR;
  14. int dram_init(void)
  15. {
  16. int rv;
  17. struct udevice *dev;
  18. rv = uclass_get_device(UCLASS_RAM, 0, &dev);
  19. if (rv) {
  20. debug("DRAM init failed: %d\n", rv);
  21. return rv;
  22. }
  23. if (fdtdec_setup_mem_size_base() != 0)
  24. rv = -EINVAL;
  25. return rv;
  26. }
  27. int dram_init_banksize(void)
  28. {
  29. fdtdec_setup_memory_banksize();
  30. return 0;
  31. }
  32. u32 get_board_rev(void)
  33. {
  34. return 0;
  35. }
  36. int board_early_init_f(void)
  37. {
  38. return 0;
  39. }
  40. int board_init(void)
  41. {
  42. gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
  43. return 0;
  44. }
  45. #ifdef CONFIG_MISC_INIT_R
  46. int misc_init_r(void)
  47. {
  48. char serialno[25];
  49. u32 u_id_low, u_id_mid, u_id_high;
  50. if (!env_get("serial#")) {
  51. u_id_low = readl(&STM32_U_ID->u_id_low);
  52. u_id_mid = readl(&STM32_U_ID->u_id_mid);
  53. u_id_high = readl(&STM32_U_ID->u_id_high);
  54. sprintf(serialno, "%08x%08x%08x",
  55. u_id_high, u_id_mid, u_id_low);
  56. env_set("serial#", serialno);
  57. }
  58. return 0;
  59. }
  60. #endif