include/configs/at91-sama5_common.h

   1 /*
   2  * Common part of configuration settings for the AT91 SAMA5 board.
   3  *
   4  * Copyright (C) 2015 Atmel Corporation
   5  *                    Josh Wu <josh.wu@atmel.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef __AT91_SAMA5_COMMON_H
  11 #define __AT91_SAMA5_COMMON_H
  12
  13 /* ARM asynchronous clock */
  14 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
  15 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
  16
  17 #define CONFIG_ARCH_CPU_INIT
  18
  19 #ifndef CONFIG_SPL_BUILD
  20 #define CONFIG_SKIP_LOWLEVEL_INIT
  21 #endif
  22
  23 #define CONFIG_ENV_VARS_UBOOT_CONFIG
  24
  25 /* general purpose I/O */
  26 #ifndef CONFIG_DM_GPIO
  27 #define CONFIG_AT91_GPIO
  28 #endif
  29
  30
  31 /*
  32  * BOOTP options
  33  */
  34 #define CONFIG_BOOTP_BOOTFILESIZE
  35 #define CONFIG_BOOTP_BOOTPATH
  36 #define CONFIG_BOOTP_GATEWAY
  37 #define CONFIG_BOOTP_HOSTNAME
  38
  39 /*
  40  * Command line configuration.
  41  */
  42
  43 #ifdef CONFIG_SD_BOOT
  44
  45 #ifdef CONFIG_ENV_IS_IN_MMC
  46 /* Use raw reserved sectors to save environment */
  47 #define CONFIG_ENV_OFFSET               0x2000
  48 #define CONFIG_ENV_SIZE                 0x1000
  49 #define CONFIG_SYS_MMC_ENV_DEV          0
  50 #else
  51 /* u-boot env in sd/mmc card */
  52 #define CONFIG_ENV_SIZE         0x4000
  53 #endif
  54
  55 #define CONFIG_BOOTCOMMAND      "if test ! -n ${dtb_name}; then "       \
  56                                     "setenv dtb_name at91-${board_name}.dtb; " \
  57                                 "fi; "                                  \
  58                                 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
  59                                 "fatload mmc 0:1 0x22000000 zImage; "   \
  60                                 "bootz 0x22000000 - 0x21000000"
  61
  62 #else
  63
  64 #ifdef CONFIG_NAND_BOOT
  65 /* u-boot env in nand flash */
  66 #define CONFIG_ENV_OFFSET               0xc0000
  67 #define CONFIG_ENV_OFFSET_REDUND        0x100000
  68 #define CONFIG_ENV_SIZE                 0x20000
  69 #define CONFIG_BOOTCOMMAND              "nand read 0x21000000 0x180000 0x80000;"        \
  70                                         "nand read 0x22000000 0x200000 0x600000;"       \
  71                                         "bootz 0x22000000 - 0x21000000"
  72 #elif CONFIG_SPI_BOOT
  73 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
  74 #define CONFIG_ENV_OFFSET               0x6000
  75 #define CONFIG_ENV_SIZE                 0x2000
  76 #define CONFIG_ENV_SECT_SIZE            0x1000
  77 #define CONFIG_BOOTCOMMAND              "sf probe 0; "                          \
  78                                         "sf read 0x21000000 0x60000 0xc000; "   \
  79                                         "sf read 0x22000000 0x6c000 0x394000; " \
  80                                         "bootz 0x22000000 - 0x21000000"
  81 #endif
  82
  83 #endif
  84
  85 #define CONFIG_SYS_LONGHELP
  86 #define CONFIG_CMDLINE_EDITING
  87 #define CONFIG_AUTO_COMPLETE
  88
  89 /* Size of malloc() pool */
  90 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  91
  92 #endif