at91-sama5_common.h 1.8 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. /* general purpose I/O */
  18. #if !CONFIG_IS_ENABLED(DM_GPIO)
  19. #define CONFIG_AT91_GPIO
  20. #endif
  21. /*
  22. * BOOTP options
  23. */
  24. #define CONFIG_BOOTP_BOOTFILESIZE
  25. /*
  26. * Command line configuration.
  27. */
  28. #ifdef CONFIG_SD_BOOT
  29. #ifdef CONFIG_ENV_IS_IN_MMC
  30. #define CONFIG_SYS_MMC_ENV_DEV 0
  31. #endif
  32. #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
  33. "setenv dtb_name at91-${board_name}.dtb; " \
  34. "fi; " \
  35. "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
  36. "fatload mmc 0:1 0x22000000 zImage; " \
  37. "bootz 0x22000000 - 0x21000000"
  38. #else
  39. #ifdef CONFIG_NAND_BOOT
  40. /* u-boot env in nand flash */
  41. #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \
  42. "nand read 0x22000000 0x200000 0x600000;" \
  43. "bootz 0x22000000 - 0x21000000"
  44. #elif CONFIG_SPI_BOOT
  45. /* u-boot env in serial flash, by default is bus 0 and cs 0 */
  46. #define CONFIG_BOOTCOMMAND "sf probe 0; " \
  47. "sf read 0x21000000 0x60000 0xc000; " \
  48. "sf read 0x22000000 0x6c000 0x394000; " \
  49. "bootz 0x22000000 - 0x21000000"
  50. #elif CONFIG_QSPI_BOOT
  51. #define CONFIG_BOOTCOMMAND "sf probe 0; " \
  52. "sf read 0x21000000 0x180000 0x80000; " \
  53. "sf read 0x22000000 0x200000 0x600000; " \
  54. "bootz 0x22000000 - 0x21000000"
  55. #endif
  56. #endif
  57. /* Size of malloc() pool */
  58. #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
  59. #endif