at91sam9rlek.h 2.9 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_ARCH_CPU_INIT
  16. #define CONFIG_SKIP_LOWLEVEL_INIT
  17. #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
  18. #define CONFIG_SETUP_MEMORY_TAGS 1
  19. #define CONFIG_INITRD_TAG 1
  20. #define CONFIG_ATMEL_LEGACY
  21. /*
  22. * Hardware drivers
  23. */
  24. /* LCD */
  25. #define LCD_BPP LCD_COLOR8
  26. #define CONFIG_LCD_LOGO 1
  27. #undef LCD_TEST_PATTERN
  28. #define CONFIG_LCD_INFO 1
  29. #define CONFIG_LCD_INFO_BELOW_LOGO 1
  30. #define CONFIG_ATMEL_LCD 1
  31. #define CONFIG_ATMEL_LCD_RGB565 1
  32. /* Let board_init_f handle the framebuffer allocation */
  33. #undef CONFIG_FB_ADDR
  34. /* SDRAM */
  35. #define CONFIG_NR_DRAM_BANKS 1
  36. #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
  37. #define CONFIG_SYS_SDRAM_SIZE 0x04000000
  38. #define CONFIG_SYS_INIT_SP_ADDR \
  39. (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  40. /* NAND flash */
  41. #ifdef CONFIG_CMD_NAND
  42. #define CONFIG_NAND_ATMEL
  43. #define CONFIG_SYS_MAX_NAND_DEVICE 1
  44. #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
  45. #define CONFIG_SYS_NAND_DBW_8 1
  46. /* our ALE is AD21 */
  47. #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
  48. /* our CLE is AD22 */
  49. #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
  50. #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6
  51. #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17
  52. #endif
  53. /* Ethernet - not present */
  54. /* USB - not supported */
  55. #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
  56. #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
  57. #define CONFIG_SYS_MEMTEST_END 0x23e00000
  58. #ifdef CONFIG_SYS_USE_DATAFLASH
  59. /* bootstrap + u-boot + env + linux in dataflash on CS0 */
  60. #define CONFIG_ENV_OFFSET 0x4200
  61. #define CONFIG_ENV_SIZE 0x4200
  62. #define CONFIG_ENV_SECT_SIZE 0x210
  63. #define CONFIG_ENV_SPI_MAX_HZ 15000000
  64. #define CONFIG_BOOTCOMMAND "sf probe 0; " \
  65. "sf read 0x22000000 0x84000 0x294000; " \
  66. "bootm 0x22000000"
  67. #elif CONFIG_SYS_USE_NANDFLASH
  68. /* bootstrap + u-boot + env + linux in nandflash */
  69. #define CONFIG_ENV_OFFSET 0x120000
  70. #define CONFIG_ENV_OFFSET_REDUND 0x100000
  71. #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
  72. #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \
  73. "nand read 0x21000000 0x180000 0x80000; " \
  74. "bootz 0x22000000 - 0x21000000"
  75. #else /* CONFIG_SYS_USE_MMC */
  76. /* bootstrap + u-boot + env + linux in mmc */
  77. #define CONFIG_ENV_SIZE 0x4000
  78. #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
  79. "fatload mmc 0:1 0x22000000 zImage; " \
  80. "bootz 0x22000000 - 0x21000000"
  81. #endif
  82. /*
  83. * Size of malloc() pool
  84. */
  85. #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
  86. #endif