include/configs/pic32mzdask.h

   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
   8 #ifndef __PIC32MZDASK_CONFIG_H
   9 #define __PIC32MZDASK_CONFIG_H
  10
  11 /* System Configuration */
  12
  13 /*--------------------------------------------
  14  * CPU configuration
  15  */
  16 /* CPU Timer rate */
  17 #define CONFIG_SYS_MIPS_TIMER_FREQ      100000000
  18
  19 /*----------------------------------------------------------------------
  20  * Memory Layout
  21  */
  22 #define CONFIG_SYS_SRAM_BASE            0x80000000
  23 #define CONFIG_SYS_SRAM_SIZE            0x00080000 /* 512K */
  24
  25 /* Initial RAM for temporary stack, global data */
  26 #define CONFIG_SYS_INIT_RAM_SIZE        0x10000
  27 #define CONFIG_SYS_INIT_RAM_ADDR        \
  28         (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
  29 #define CONFIG_SYS_INIT_SP_ADDR         \
  30         (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
  31
  32 /* SDRAM Configuration (for final code, data, stack, heap) */
  33 #define CONFIG_SYS_SDRAM_BASE           0x88000000
  34 #define CONFIG_SYS_MALLOC_LEN           (256 << 10)
  35 #define CONFIG_SYS_BOOTPARAMS_LEN       (4 << 10)
  36
  37 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_TEXT_BASE
  38 #define CONFIG_SYS_MONITOR_LEN          (192 << 10)
  39
  40 #define CONFIG_SYS_LOAD_ADDR            0x88500000 /* default load address */
  41 #define CONFIG_SYS_ENV_ADDR             0x88300000
  42 #define CONFIG_SYS_FDT_ADDR             0x89d00000
  43
  44 /* Memory Test */
  45
  46 /*----------------------------------------------------------------------
  47  * Commands
  48  */
  49
  50 /*------------------------------------------------------------
  51  * Console Configuration
  52  */
  53 #define CONFIG_SYS_CBSIZE               1024 /* Console I/O Buffer Size   */
  54
  55 /*-----------------------------------------------------------------------
  56  * Networking Configuration
  57  */
  58 #define CONFIG_SYS_RX_ETH_BUFFER        8
  59 #define CONFIG_NET_RETRY_COUNT          20
  60 #define CONFIG_ARP_TIMEOUT              500 /* millisec */
  61
  62 /*
  63  * BOOTP options
  64  */
  65 #define CONFIG_BOOTP_BOOTFILESIZE
  66
  67 /*--------------------------------------------------
  68  * USB Configuration
  69  */
  70
  71 /* -------------------------------------------------
  72  * Environment
  73  */
  74
  75 /* ---------------------------------------------------------------------
  76  * Board boot configuration
  77  */
  78 #define CONFIG_TIMESTAMP        /* Print image info with timestamp */
  79
  80 #define MEM_LAYOUT_ENV_SETTINGS                                 \
  81         "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0"   \
  82         "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0"       \
  83         "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
  84
  85 #define CONFIG_LEGACY_BOOTCMD_ENV                                       \
  86         "legacy_bootcmd= "                                              \
  87                 "if load mmc 0 ${scriptaddr} uEnv.txt; then "           \
  88                         "env import -tr ${scriptaddr} ${filesize}; "    \
  89                         "if test -n \"${bootcmd_uenv}\" ; then "        \
  90                                 "echo Running bootcmd_uenv ...; "       \
  91                                 "run bootcmd_uenv; "                    \
  92                         "fi; "                                          \
  93                 "fi; \0"
  94
  95 #define BOOT_TARGET_DEVICES(func)       \
  96         func(MMC, mmc, 0)               \
  97         func(USB, usb, 0)               \
  98         func(DHCP, dhcp, na)
  99
 100 #include <config_distro_bootcmd.h>
 101
 102 #define CONFIG_EXTRA_ENV_SETTINGS       \
 103         MEM_LAYOUT_ENV_SETTINGS         \
 104         CONFIG_LEGACY_BOOTCMD_ENV       \
 105         BOOTENV
 106
 107 #undef CONFIG_BOOTCOMMAND
 108 #define CONFIG_BOOTCOMMAND      "run distro_bootcmd || run legacy_bootcmd"
 109
 110 #endif  /* __PIC32MZDASK_CONFIG_H */