pic32mzdask.h 2.9 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. /* Initial RAM for temporary stack, global data */
  19. #define CONFIG_SYS_INIT_RAM_SIZE 0x10000
  20. #define CONFIG_SYS_INIT_RAM_ADDR \
  21. (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
  22. #define CONFIG_SYS_INIT_SP_ADDR \
  23. (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
  24. /* SDRAM Configuration (for final code, data, stack, heap) */
  25. #define CONFIG_SYS_SDRAM_BASE 0x88000000
  26. #define CONFIG_SYS_MALLOC_LEN (256 << 10)
  27. #define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10)
  28. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
  29. #define CONFIG_SYS_MONITOR_LEN (192 << 10)
  30. #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */
  31. #define CONFIG_SYS_ENV_ADDR 0x88300000
  32. #define CONFIG_SYS_FDT_ADDR 0x89d00000
  33. /* Memory Test */
  34. /*----------------------------------------------------------------------
  35. * Commands
  36. */
  37. /*------------------------------------------------------------
  38. * Console Configuration
  39. */
  40. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  41. /*-----------------------------------------------------------------------
  42. * Networking Configuration
  43. */
  44. #define CONFIG_SYS_RX_ETH_BUFFER 8
  45. #define CONFIG_NET_RETRY_COUNT 20
  46. #define CONFIG_ARP_TIMEOUT 500 /* millisec */
  47. /*
  48. * BOOTP options
  49. */
  50. #define CONFIG_BOOTP_BOOTFILESIZE
  51. /*--------------------------------------------------
  52. * USB Configuration
  53. */
  54. /* -------------------------------------------------
  55. * Environment
  56. */
  57. /* ---------------------------------------------------------------------
  58. * Board boot configuration
  59. */
  60. #define CONFIG_TIMESTAMP /* Print image info with timestamp */
  61. #define MEM_LAYOUT_ENV_SETTINGS \
  62. "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \
  63. "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \
  64. "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
  65. #define CONFIG_LEGACY_BOOTCMD_ENV \
  66. "legacy_bootcmd= " \
  67. "if load mmc 0 ${scriptaddr} uEnv.txt; then " \
  68. "env import -tr ${scriptaddr} ${filesize}; " \
  69. "if test -n \"${bootcmd_uenv}\" ; then " \
  70. "echo Running bootcmd_uenv ...; " \
  71. "run bootcmd_uenv; " \
  72. "fi; " \
  73. "fi; \0"
  74. #define BOOT_TARGET_DEVICES(func) \
  75. func(MMC, mmc, 0) \
  76. func(USB, usb, 0) \
  77. func(DHCP, dhcp, na)
  78. #include <config_distro_bootcmd.h>
  79. #define CONFIG_EXTRA_ENV_SETTINGS \
  80. MEM_LAYOUT_ENV_SETTINGS \
  81. CONFIG_LEGACY_BOOTCMD_ENV \
  82. BOOTENV
  83. #undef CONFIG_BOOTCOMMAND
  84. #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd"
  85. #endif /* __PIC32MZDASK_CONFIG_H */