at91-sama5_common.h 1.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Common part of configuration settings for the AT91 SAMA5 board.
  4. *
  5. * Copyright (C) 2015 Atmel Corporation
  6. * Josh Wu <josh.wu@atmel.com>
  7. */
  8. #ifndef __AT91_SAMA5_COMMON_H
  9. #define __AT91_SAMA5_COMMON_H
  10. #include <linux/kconfig.h>
  11. /* ARM asynchronous clock */
  12. #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
  13. #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
  14. #ifndef CONFIG_SPL_BUILD
  15. #define CONFIG_SKIP_LOWLEVEL_INIT
  16. #endif
  17. /*
  18. * BOOTP options
  19. */
  20. #define CONFIG_BOOTP_BOOTFILESIZE
  21. #ifdef CONFIG_SD_BOOT
  22. #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
  23. "setenv dtb_name at91-${board_name}.dtb; " \
  24. "fi; " \
  25. "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
  26. "fatload mmc 0:1 0x22000000 zImage; " \
  27. "bootz 0x22000000 - 0x21000000"
  28. #else
  29. #ifdef CONFIG_NAND_BOOT
  30. /* u-boot env in nand flash */
  31. #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \
  32. "nand read 0x22000000 0x200000 0x600000;" \
  33. "bootz 0x22000000 - 0x21000000"
  34. #elif CONFIG_SPI_BOOT
  35. /* u-boot env in serial flash, by default is bus 0 and cs 0 */
  36. #define CONFIG_BOOTCOMMAND "sf probe 0; " \
  37. "sf read 0x21000000 0x60000 0xc000; " \
  38. "sf read 0x22000000 0x6c000 0x394000; " \
  39. "bootz 0x22000000 - 0x21000000"
  40. #elif CONFIG_QSPI_BOOT
  41. #define CONFIG_BOOTCOMMAND "sf probe 0; " \
  42. "sf read 0x21000000 0x180000 0x80000; " \
  43. "sf read 0x22000000 0x200000 0x600000; " \
  44. "bootz 0x22000000 - 0x21000000"
  45. #endif
  46. #endif
  47. /* Size of malloc() pool */
  48. #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
  49. #endif