include/configs/pic32mzdask.h

   1 /*
   2  * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  *
   6  * Microchip PIC32MZ[DA] Starter Kit.
   7  */
   8
   9 #ifndef __PIC32MZDASK_CONFIG_H
  10 #define __PIC32MZDASK_CONFIG_H
  11
  12 /* System Configuration */
  13 #define CONFIG_SYS_TEXT_BASE            0x9d004000 /* .text */
  14 #define CONFIG_DISPLAY_BOARDINFO
  15
  16 /*--------------------------------------------
  17  * CPU configuration
  18  */
  19 /* CPU Timer rate */
  20 #define CONFIG_SYS_MIPS_TIMER_FREQ      100000000
  21
  22 /* Cache Configuration */
  23 #define CONFIG_SYS_MIPS_CACHE_MODE      CONF_CM_CACHABLE_NONCOHERENT
  24
  25 /*----------------------------------------------------------------------
  26  * Memory Layout
  27  */
  28 #define CONFIG_SYS_SRAM_BASE            0x80000000
  29 #define CONFIG_SYS_SRAM_SIZE            0x00080000 /* 512K */
  30
  31 /* Initial RAM for temporary stack, global data */
  32 #define CONFIG_SYS_INIT_RAM_SIZE        0x10000
  33 #define CONFIG_SYS_INIT_RAM_ADDR        \
  34         (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
  35 #define CONFIG_SYS_INIT_SP_ADDR         \
  36         (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
  37
  38 /* SDRAM Configuration (for final code, data, stack, heap) */
  39 #define CONFIG_SYS_SDRAM_BASE           0x88000000
  40 #define CONFIG_SYS_MALLOC_LEN           (256 << 10)
  41 #define CONFIG_SYS_BOOTPARAMS_LEN       (4 << 10)
  42 #define CONFIG_STACKSIZE                (4 << 10) /* regular stack */
  43
  44 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_TEXT_BASE
  45 #define CONFIG_SYS_MONITOR_LEN          (192 << 10)
  46
  47 #define CONFIG_SYS_LOAD_ADDR            0x88500000 /* default load address */
  48 #define CONFIG_SYS_ENV_ADDR             0x88300000
  49 #define CONFIG_SYS_FDT_ADDR             0x89d00000
  50
  51 /* Memory Test */
  52 #define CONFIG_SYS_MEMTEST_START        0x88000000
  53 #define CONFIG_SYS_MEMTEST_END          0x88080000
  54
  55 /*----------------------------------------------------------------------
  56  * Commands
  57  */
  58 #define CONFIG_SYS_LONGHELP             /* undef to save memory */
  59 #define CONFIG_CMD_CLK
  60
  61 /*-------------------------------------------------
  62  * FLASH configuration
  63  */
  64 #define CONFIG_SYS_NO_FLASH
  65
  66 /*------------------------------------------------------------
  67  * Console Configuration
  68  */
  69 #define CONFIG_BAUDRATE                 115200
  70 #define CONFIG_SYS_CBSIZE               1024 /* Console I/O Buffer Size   */
  71 #define CONFIG_SYS_MAXARGS              16   /* max number of command args*/
  72 #define CONFIG_SYS_PBSIZE               \
  73                 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
  74 #define CONFIG_CMDLINE_EDITING          1
  75
  76 /*
  77  * Handover flattened device tree (dtb file) to Linux kernel
  78  */
  79 #define CONFIG_OF_LIBFDT        1
  80
  81 /*-----------------------------------------------------------------------
  82  * SDHC Configuration
  83  */
  84 #define CONFIG_SDHCI
  85 #define CONFIG_MMC
  86 #define CONFIG_GENERIC_MMC
  87 #define CONFIG_CMD_MMC
  88
  89 /*-----------------------------------------------------------------------
  90  * File System Configuration
  91  */
  92 /* FAT FS */
  93 #define CONFIG_DOS_PARTITION
  94 #define CONFIG_PARTITION_UUIDS
  95 #define CONFIG_SUPPORT_VFAT
  96 #define CONFIG_FS_FAT
  97 #define CONFIG_FAT_WRITE
  98 #define CONFIG_CMD_FS_GENERIC
  99 #define CONFIG_CMD_PART
 100 #define CONFIG_CMD_FAT
 101
 102 /* EXT4 FS */
 103 #define CONFIG_FS_EXT4
 104 #define CONFIG_CMD_EXT2
 105 #define CONFIG_CMD_EXT4
 106 #define CONFIG_CMD_EXT4_WRITE
 107
 108 /* -------------------------------------------------
 109  * Environment
 110  */
 111 #define CONFIG_ENV_IS_NOWHERE   1
 112 #define CONFIG_ENV_SIZE         0x4000
 113
 114 /* ---------------------------------------------------------------------
 115  * Board boot configuration
 116  */
 117 #define CONFIG_TIMESTAMP        /* Print image info with timestamp */
 118 #define CONFIG_BOOTDELAY        5
 119
 120 #define MEM_LAYOUT_ENV_SETTINGS                                 \
 121         "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0"   \
 122         "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0"       \
 123         "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
 124
 125 #define CONFIG_LEGACY_BOOTCMD_ENV                                       \
 126         "legacy_bootcmd= "                                              \
 127                 "if load mmc 0 ${scriptaddr} uEnv.txt; then "           \
 128                         "env import -tr ${scriptaddr} ${filesize}; "    \
 129                         "if test -n \"${bootcmd_uenv}\" ; then "        \
 130                                 "echo Running bootcmd_uenv ...; "       \
 131                                 "run bootcmd_uenv; "                    \
 132                         "fi; "                                          \
 133                 "fi; \0"
 134
 135 #define BOOT_TARGET_DEVICES(func)       \
 136         func(MMC, mmc, 0)
 137
 138 #include <config_distro_bootcmd.h>
 139
 140 #define CONFIG_EXTRA_ENV_SETTINGS       \
 141         MEM_LAYOUT_ENV_SETTINGS         \
 142         CONFIG_LEGACY_BOOTCMD_ENV       \
 143         BOOTENV
 144
 145 #undef CONFIG_BOOTCOMMAND
 146 #define CONFIG_BOOTCOMMAND      "run distro_bootcmd || run legacy_bootcmd"
 147
 148 #endif  /* __PIC32MZDASK_CONFIG_H */