at91sam9rlek.h 2.5 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * (C) Copyright 2007-2008
  4. * Stelian Pop <stelian@popies.net>
  5. * Lead Tech Design <www.leadtechdesign.com>
  6. *
  7. * Configuation settings for the AT91SAM9RLEK board.
  8. */
  9. #ifndef __CONFIG_H
  10. #define __CONFIG_H
  11. #include <asm/hardware.h>
  12. /* ARM asynchronous clock */
  13. #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
  14. #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* main clock xtal */
  15. #define CONFIG_SKIP_LOWLEVEL_INIT
  16. #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
  17. #define CONFIG_SETUP_MEMORY_TAGS 1
  18. #define CONFIG_INITRD_TAG 1
  19. #define CONFIG_ATMEL_LEGACY
  20. /*
  21. * Hardware drivers
  22. */
  23. /* LCD */
  24. #define LCD_BPP LCD_COLOR8
  25. #define CONFIG_LCD_LOGO 1
  26. #undef LCD_TEST_PATTERN
  27. #define CONFIG_LCD_INFO 1
  28. #define CONFIG_LCD_INFO_BELOW_LOGO 1
  29. #define CONFIG_ATMEL_LCD 1
  30. #define CONFIG_ATMEL_LCD_RGB565 1
  31. /* Let board_init_f handle the framebuffer allocation */
  32. #undef CONFIG_FB_ADDR
  33. /* SDRAM */
  34. #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
  35. #define CONFIG_SYS_SDRAM_SIZE 0x04000000
  36. #define CONFIG_SYS_INIT_SP_ADDR \
  37. (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  38. /* NAND flash */
  39. #ifdef CONFIG_CMD_NAND
  40. #define CONFIG_SYS_MAX_NAND_DEVICE 1
  41. #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
  42. #define CONFIG_SYS_NAND_DBW_8 1
  43. /* our ALE is AD21 */
  44. #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
  45. /* our CLE is AD22 */
  46. #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
  47. #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6
  48. #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17
  49. #endif
  50. /* Ethernet - not present */
  51. /* USB - not supported */
  52. #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
  53. #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
  54. #define CONFIG_SYS_MEMTEST_END 0x23e00000
  55. #ifdef CONFIG_SYS_USE_DATAFLASH
  56. /* bootstrap + u-boot + env + linux in dataflash on CS0 */
  57. #define CONFIG_BOOTCOMMAND "sf probe 0; " \
  58. "sf read 0x22000000 0x84000 0x294000; " \
  59. "bootm 0x22000000"
  60. #elif CONFIG_SYS_USE_NANDFLASH
  61. /* bootstrap + u-boot + env + linux in nandflash */
  62. #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \
  63. "nand read 0x21000000 0x180000 0x80000; " \
  64. "bootz 0x22000000 - 0x21000000"
  65. #else /* CONFIG_SYS_USE_MMC */
  66. /* bootstrap + u-boot + env + linux in mmc */
  67. #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
  68. "fatload mmc 0:1 0x22000000 zImage; " \
  69. "bootz 0x22000000 - 0x21000000"
  70. #endif
  71. /*
  72. * Size of malloc() pool
  73. */
  74. #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
  75. #endif