am65x_evm.h 3.9 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Configuration header file for K3 AM654 EVM
  4. *
  5. * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
  6. * Lokesh Vutla <lokeshvutla@ti.com>
  7. */
  8. #ifndef __CONFIG_AM654_EVM_H
  9. #define __CONFIG_AM654_EVM_H
  10. #include <linux/sizes.h>
  11. #include <config_distro_bootcmd.h>
  12. #include <environment/ti/mmc.h>
  13. #include <environment/ti/k3_rproc.h>
  14. /* DDR Configuration */
  15. #define CONFIG_SYS_SDRAM_BASE1 0x880000000
  16. /* SPL Loader Configuration */
  17. #ifdef CONFIG_TARGET_AM654_A53_EVM
  18. #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SPL_TEXT_BASE + \
  19. CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE)
  20. #else
  21. /*
  22. * Maximum size in memory allocated to the SPL BSS. Keep it as tight as
  23. * possible (to allow the build to go through), as this directly affects
  24. * our memory footprint. The less we use for BSS the more we have available
  25. * for everything else.
  26. */
  27. #define CONFIG_SPL_BSS_MAX_SIZE 0x5000
  28. /*
  29. * Link BSS to be within SPL in a dedicated region located near the top of
  30. * the MCU SRAM, this way making it available also before relocation. Note
  31. * that we are not using the actual top of the MCU SRAM as there is a memory
  32. * location filled in by the boot ROM that we want to read out without any
  33. * interference from the C context.
  34. */
  35. #define CONFIG_SPL_BSS_START_ADDR (CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX -\
  36. CONFIG_SPL_BSS_MAX_SIZE)
  37. /* Set the stack right below the SPL BSS section */
  38. #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SPL_BSS_START_ADDR
  39. /* Configure R5 SPL post-relocation malloc pool in DDR */
  40. #define CONFIG_SYS_SPL_MALLOC_START 0x84000000
  41. #define CONFIG_SYS_SPL_MALLOC_SIZE SZ_16M
  42. #endif
  43. #ifdef CONFIG_SYS_K3_SPL_ATF
  44. #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
  45. #endif
  46. #ifndef CONFIG_CPU_V7R
  47. #define CONFIG_SKIP_LOWLEVEL_INIT
  48. #endif
  49. #define CONFIG_SPL_MAX_SIZE CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
  50. #define CONFIG_SYS_BOOTM_LEN SZ_64M
  51. #define PARTS_DEFAULT \
  52. /* Linux partitions */ \
  53. "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
  54. /* U-Boot general configuration */
  55. #define EXTRA_ENV_AM65X_BOARD_SETTINGS \
  56. "findfdt=" \
  57. "setenv name_fdt k3-am654-base-board.dtb;" \
  58. "setenv fdtfile ${name_fdt}\0" \
  59. "loadaddr=0x80080000\0" \
  60. "fdtaddr=0x82000000\0" \
  61. "overlayaddr=0x83000000\0" \
  62. "name_kern=Image\0" \
  63. "console=ttyS2,115200n8\0" \
  64. "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000\0" \
  65. "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0" \
  66. /* U-Boot MMC-specific configuration */
  67. #define EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC \
  68. "boot=mmc\0" \
  69. "mmcdev=1\0" \
  70. "bootpart=1:2\0" \
  71. "bootdir=/boot\0" \
  72. "rd_spec=-\0" \
  73. "init_mmc=run args_all args_mmc\0" \
  74. "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${name_fdt}\0" \
  75. "get_overlay_mmc=" \
  76. "fdt address ${fdtaddr};" \
  77. "fdt resize 0x100000;" \
  78. "for overlay in $name_overlays;" \
  79. "do;" \
  80. "load mmc ${bootpart} ${overlayaddr} ${bootdir}/${overlay};" \
  81. "fdt apply ${overlayaddr};" \
  82. "done;\0" \
  83. "get_kern_mmc=load mmc ${bootpart} ${loadaddr} " \
  84. "${bootdir}/${name_kern}\0" \
  85. "get_fit_mmc=load mmc ${bootpart} ${addr_fit} " \
  86. "${bootdir}/${name_fit}\0" \
  87. "partitions=" PARTS_DEFAULT
  88. #ifdef DEFAULT_RPROCS
  89. #undef DEFAULT_RPROCS
  90. #endif
  91. #define DEFAULT_RPROCS "" \
  92. "0 /lib/firmware/am65x-mcu-r5f0_0-fw " \
  93. "1 /lib/firmware/am65x-mcu-r5f0_1-fw "
  94. /* Incorporate settings into the U-Boot environment */
  95. #define CONFIG_EXTRA_ENV_SETTINGS \
  96. DEFAULT_MMC_TI_ARGS \
  97. DEFAULT_FIT_TI_ARGS \
  98. EXTRA_ENV_AM65X_BOARD_SETTINGS \
  99. EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC \
  100. EXTRA_ENV_RPROC_SETTINGS
  101. /* MMC ENV related defines */
  102. #ifdef CONFIG_ENV_IS_IN_MMC
  103. #define CONFIG_SYS_MMC_ENV_DEV 0
  104. #define CONFIG_SYS_MMC_ENV_PART 1
  105. #endif
  106. #define CONFIG_SUPPORT_EMMC_BOOT
  107. /* Now for the remaining common defines */
  108. #include <configs/ti_armv7_common.h>
  109. #endif /* __CONFIG_AM654_EVM_H */