imxrt1050-evk.c 1.3 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2019
  4. * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
  5. */
  6. #include <common.h>
  7. #include <dm.h>
  8. #include <init.h>
  9. #include <log.h>
  10. #include <ram.h>
  11. #include <spl.h>
  12. #include <asm/global_data.h>
  13. #include <asm/io.h>
  14. #include <asm/armv7m.h>
  15. DECLARE_GLOBAL_DATA_PTR;
  16. int dram_init(void)
  17. {
  18. #ifndef CONFIG_SUPPORT_SPL
  19. int rv;
  20. struct udevice *dev;
  21. rv = uclass_get_device(UCLASS_RAM, 0, &dev);
  22. if (rv) {
  23. debug("DRAM init failed: %d\n", rv);
  24. return rv;
  25. }
  26. #endif
  27. return fdtdec_setup_mem_size_base();
  28. }
  29. int dram_init_banksize(void)
  30. {
  31. return fdtdec_setup_memory_banksize();
  32. }
  33. #ifdef CONFIG_SPL_BUILD
  34. #ifdef CONFIG_SPL_OS_BOOT
  35. int spl_start_uboot(void)
  36. {
  37. debug("SPL: booting kernel\n");
  38. /* break into full u-boot on 'c' */
  39. return serial_tstc() && serial_getc() == 'c';
  40. }
  41. #endif
  42. int spl_dram_init(void)
  43. {
  44. struct udevice *dev;
  45. int rv;
  46. rv = uclass_get_device(UCLASS_RAM, 0, &dev);
  47. if (rv)
  48. debug("DRAM init failed: %d\n", rv);
  49. return rv;
  50. }
  51. void spl_board_init(void)
  52. {
  53. preloader_console_init();
  54. spl_dram_init();
  55. arch_cpu_init(); /* to configure mpu for sdram rw permissions */
  56. }
  57. u32 spl_boot_device(void)
  58. {
  59. return BOOT_DEVICE_MMC1;
  60. }
  61. #endif
  62. u32 get_board_rev(void)
  63. {
  64. return 0;
  65. }
  66. int board_init(void)
  67. {
  68. gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
  69. return 0;
  70. }