pic32mzdask.h 3.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
  4. *
  5. * Microchip PIC32MZ[DA] Starter Kit.
  6. */
  7. #ifndef __PIC32MZDASK_CONFIG_H
  8. #define __PIC32MZDASK_CONFIG_H
  9. /* System Configuration */
  10. /*--------------------------------------------
  11. * CPU configuration
  12. */
  13. /* CPU Timer rate */
  14. #define CONFIG_SYS_MIPS_TIMER_FREQ 100000000
  15. /*----------------------------------------------------------------------
  16. * Memory Layout
  17. */
  18. #define CONFIG_SYS_SRAM_BASE 0x80000000
  19. #define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */
  20. /* Initial RAM for temporary stack, global data */
  21. #define CONFIG_SYS_INIT_RAM_SIZE 0x10000
  22. #define CONFIG_SYS_INIT_RAM_ADDR \
  23. (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
  24. #define CONFIG_SYS_INIT_SP_ADDR \
  25. (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
  26. /* SDRAM Configuration (for final code, data, stack, heap) */
  27. #define CONFIG_SYS_SDRAM_BASE 0x88000000
  28. #define CONFIG_SYS_MALLOC_LEN (256 << 10)
  29. #define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10)
  30. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
  31. #define CONFIG_SYS_MONITOR_LEN (192 << 10)
  32. #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */
  33. #define CONFIG_SYS_ENV_ADDR 0x88300000
  34. #define CONFIG_SYS_FDT_ADDR 0x89d00000
  35. /* Memory Test */
  36. /*----------------------------------------------------------------------
  37. * Commands
  38. */
  39. /*------------------------------------------------------------
  40. * Console Configuration
  41. */
  42. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  43. /*-----------------------------------------------------------------------
  44. * Networking Configuration
  45. */
  46. #define CONFIG_SYS_RX_ETH_BUFFER 8
  47. #define CONFIG_NET_RETRY_COUNT 20
  48. #define CONFIG_ARP_TIMEOUT 500 /* millisec */
  49. /*
  50. * BOOTP options
  51. */
  52. #define CONFIG_BOOTP_BOOTFILESIZE
  53. /*--------------------------------------------------
  54. * USB Configuration
  55. */
  56. /* -------------------------------------------------
  57. * Environment
  58. */
  59. /* ---------------------------------------------------------------------
  60. * Board boot configuration
  61. */
  62. #define CONFIG_TIMESTAMP /* Print image info with timestamp */
  63. #define MEM_LAYOUT_ENV_SETTINGS \
  64. "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \
  65. "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \
  66. "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
  67. #define CONFIG_LEGACY_BOOTCMD_ENV \
  68. "legacy_bootcmd= " \
  69. "if load mmc 0 ${scriptaddr} uEnv.txt; then " \
  70. "env import -tr ${scriptaddr} ${filesize}; " \
  71. "if test -n \"${bootcmd_uenv}\" ; then " \
  72. "echo Running bootcmd_uenv ...; " \
  73. "run bootcmd_uenv; " \
  74. "fi; " \
  75. "fi; \0"
  76. #define BOOT_TARGET_DEVICES(func) \
  77. func(MMC, mmc, 0) \
  78. func(USB, usb, 0) \
  79. func(DHCP, dhcp, na)
  80. #include <config_distro_bootcmd.h>
  81. #define CONFIG_EXTRA_ENV_SETTINGS \
  82. MEM_LAYOUT_ENV_SETTINGS \
  83. CONFIG_LEGACY_BOOTCMD_ENV \
  84. BOOTENV
  85. #undef CONFIG_BOOTCOMMAND
  86. #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd"
  87. #endif /* __PIC32MZDASK_CONFIG_H */