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
  14 /*--------------------------------------------
  15  * CPU configuration
  16  */
  17 /* CPU Timer rate */
  18 #define CONFIG_SYS_MIPS_TIMER_FREQ      100000000
  19
  20 /* Cache Configuration */
  21 #define CONFIG_SYS_MIPS_CACHE_MODE      CONF_CM_CACHABLE_NONCOHERENT
  22
  23 /*----------------------------------------------------------------------
  24  * Memory Layout
  25  */
  26 #define CONFIG_SYS_SRAM_BASE            0x80000000
  27 #define CONFIG_SYS_SRAM_SIZE            0x00080000 /* 512K */
  28
  29 /* Initial RAM for temporary stack, global data */
  30 #define CONFIG_SYS_INIT_RAM_SIZE        0x10000
  31 #define CONFIG_SYS_INIT_RAM_ADDR        \
  32         (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
  33 #define CONFIG_SYS_INIT_SP_ADDR         \
  34         (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
  35
  36 /* SDRAM Configuration (for final code, data, stack, heap) */
  37 #define CONFIG_SYS_SDRAM_BASE           0x88000000
  38 #define CONFIG_SYS_MALLOC_LEN           (256 << 10)
  39 #define CONFIG_SYS_BOOTPARAMS_LEN       (4 << 10)
  40
  41 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_TEXT_BASE
  42 #define CONFIG_SYS_MONITOR_LEN          (192 << 10)
  43
  44 #define CONFIG_SYS_LOAD_ADDR            0x88500000 /* default load address */
  45 #define CONFIG_SYS_ENV_ADDR             0x88300000
  46 #define CONFIG_SYS_FDT_ADDR             0x89d00000
  47
  48 /* Memory Test */
  49 #define CONFIG_SYS_MEMTEST_START        0x88000000
  50 #define CONFIG_SYS_MEMTEST_END          0x88080000
  51
  52 /*----------------------------------------------------------------------
  53  * Commands
  54  */
  55 #define CONFIG_SYS_LONGHELP             /* undef to save memory */
  56
  57 /*------------------------------------------------------------
  58  * Console Configuration
  59  */
  60 #define CONFIG_SYS_CBSIZE               1024 /* Console I/O Buffer Size   */
  61 #define CONFIG_CMDLINE_EDITING          1
  62
  63 /*-----------------------------------------------------------------------
  64  * Networking Configuration
  65  */
  66 #define CONFIG_MII
  67 #define CONFIG_PHY_SMSC
  68 #define CONFIG_SYS_RX_ETH_BUFFER        8
  69 #define CONFIG_NET_RETRY_COUNT          20
  70 #define CONFIG_ARP_TIMEOUT              500 /* millisec */
  71
  72 /*
  73  * BOOTP options
  74  */
  75 #define CONFIG_BOOTP_BOOTFILESIZE
  76 #define CONFIG_BOOTP_BOOTPATH
  77 #define CONFIG_BOOTP_GATEWAY
  78 #define CONFIG_BOOTP_HOSTNAME
  79
  80 /*--------------------------------------------------
  81  * USB Configuration
  82  */
  83
  84 /* -------------------------------------------------
  85  * Environment
  86  */
  87 #define CONFIG_ENV_SIZE         0x4000
  88
  89 /* ---------------------------------------------------------------------
  90  * Board boot configuration
  91  */
  92 #define CONFIG_TIMESTAMP        /* Print image info with timestamp */
  93
  94 #define MEM_LAYOUT_ENV_SETTINGS                                 \
  95         "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0"   \
  96         "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0"       \
  97         "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
  98
  99 #define CONFIG_LEGACY_BOOTCMD_ENV                                       \
 100         "legacy_bootcmd= "                                              \
 101                 "if load mmc 0 ${scriptaddr} uEnv.txt; then "           \
 102                         "env import -tr ${scriptaddr} ${filesize}; "    \
 103                         "if test -n \"${bootcmd_uenv}\" ; then "        \
 104                                 "echo Running bootcmd_uenv ...; "       \
 105                                 "run bootcmd_uenv; "                    \
 106                         "fi; "                                          \
 107                 "fi; \0"
 108
 109 #define BOOT_TARGET_DEVICES(func)       \
 110         func(MMC, mmc, 0)               \
 111         func(USB, usb, 0)               \
 112         func(DHCP, dhcp, na)
 113
 114 #include <config_distro_bootcmd.h>
 115
 116 #define CONFIG_EXTRA_ENV_SETTINGS       \
 117         MEM_LAYOUT_ENV_SETTINGS         \
 118         CONFIG_LEGACY_BOOTCMD_ENV       \
 119         BOOTENV
 120
 121 #undef CONFIG_BOOTCOMMAND
 122 #define CONFIG_BOOTCOMMAND      "run distro_bootcmd || run legacy_bootcmd"
 123
 124 #endif  /* __PIC32MZDASK_CONFIG_H */