imx7_spl.h 1.8 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * SPL definitions for the i.MX7 SPL
  4. *
  5. * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
  6. *
  7. * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
  8. */
  9. #ifndef __IMX7_SPL_CONFIG_H
  10. #define __IMX7_SPL_CONFIG_H
  11. #ifdef CONFIG_SPL
  12. /*
  13. * see figure 6-22 in i.MX 7Dual/Solo Reference manuals:
  14. * - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to
  15. * 0x00946C00.
  16. * - Set the stack at the end of the free area section, at 0x00946BB8.
  17. * - The BOOT ROM loads what they consider the firmware image
  18. * which consists of a 4K header in front of us that contains the IVT, DCD
  19. * and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000.
  20. * 64KB is more then enough for the SPL.
  21. */
  22. #define CONFIG_SPL_MAX_SIZE 0x10000
  23. #define CONFIG_SPL_STACK 0x00946BB8
  24. /*
  25. * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the
  26. * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
  27. * boot media (given that boot media specific offset is configured properly).
  28. */
  29. #define CONFIG_SPL_PAD_TO 0x11000
  30. /* MMC support */
  31. #if defined(CONFIG_SPL_MMC_SUPPORT)
  32. #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
  33. #define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */
  34. #endif
  35. /* Define the payload for FAT/EXT support */
  36. #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
  37. # ifdef CONFIG_OF_CONTROL
  38. # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img"
  39. # else
  40. # define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
  41. # endif
  42. #endif
  43. #define CONFIG_SPL_BSS_START_ADDR 0x88200000
  44. #define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */
  45. #define CONFIG_SYS_SPL_MALLOC_START 0x88300000
  46. #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */
  47. #endif /* CONFIG_SPL */
  48. #endif /* __IMX7_SPL_CONFIG_H */