bg0900.h 1.7 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Copyright (C) 2013 Marek Vasut <marex@denx.de>
  4. */
  5. #ifndef __CONFIGS_BG0900_H__
  6. #define __CONFIGS_BG0900_H__
  7. /* Memory configuration */
  8. #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
  9. #define PHYS_SDRAM_1 0x40000000 /* Base address */
  10. #define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */
  11. #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
  12. /* Environment */
  13. #define CONFIG_ENV_SIZE (16 * 1024)
  14. #define CONFIG_ENV_OVERWRITE
  15. /* FEC Ethernet on SoC */
  16. #ifdef CONFIG_CMD_NET
  17. #define CONFIG_FEC_MXC
  18. #endif
  19. /* SPI */
  20. #ifdef CONFIG_CMD_SPI
  21. #define CONFIG_DEFAULT_SPI_BUS 2
  22. #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
  23. /* SPI FLASH */
  24. #ifdef CONFIG_CMD_SF
  25. #define CONFIG_SF_DEFAULT_BUS 2
  26. #define CONFIG_SF_DEFAULT_CS 0
  27. #define CONFIG_SF_DEFAULT_SPEED 40000000
  28. #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
  29. #define CONFIG_ENV_SPI_BUS 2
  30. #define CONFIG_ENV_SPI_CS 0
  31. #define CONFIG_ENV_SPI_MAX_HZ 40000000
  32. #define CONFIG_ENV_SPI_MODE SPI_MODE_0
  33. #endif
  34. #endif
  35. /* Boot Linux */
  36. #define CONFIG_BOOTFILE "uImage"
  37. #define CONFIG_BOOTCOMMAND "bootm"
  38. #define CONFIG_LOADADDR 0x42000000
  39. #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
  40. /* Extra Environment */
  41. #define CONFIG_EXTRA_ENV_SETTINGS \
  42. "update_spi_firmware_filename=u-boot.sb\0" \
  43. "update_spi_firmware_maxsz=0x80000\0" \
  44. "update_spi_firmware=" /* Update the SPI flash firmware */ \
  45. "if sf probe 2:0 ; then " \
  46. "if tftp ${update_spi_firmware_filename} ; then " \
  47. "sf erase 0x0 +${filesize} ; " \
  48. "sf write ${loadaddr} 0x0 ${filesize} ; " \
  49. "fi ; " \
  50. "fi\0"
  51. /* The rest of the configuration is shared */
  52. #include <configs/mxs.h>
  53. #endif /* __CONFIGS_BG0900_H__ */