include/configs/at91-sama5_common.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Common part of configuration settings for the AT91 SAMA5 board.
   4  *
   5  * Copyright (C) 2015 Atmel Corporation
   6  *                    Josh Wu <josh.wu@atmel.com>
   7  */
   8
   9 #ifndef __AT91_SAMA5_COMMON_H
  10 #define __AT91_SAMA5_COMMON_H
  11
  12 /* ARM asynchronous clock */
  13 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
  14 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
  15
  16 #define CONFIG_ARCH_CPU_INIT
  17
  18 #ifndef CONFIG_SPL_BUILD
  19 #define CONFIG_SKIP_LOWLEVEL_INIT
  20 #endif
  21
  22 /* general purpose I/O */
  23 #ifndef CONFIG_DM_GPIO
  24 #define CONFIG_AT91_GPIO
  25 #endif
  26
  27
  28 /*
  29  * BOOTP options
  30  */
  31 #define CONFIG_BOOTP_BOOTFILESIZE
  32
  33 /*
  34  * Command line configuration.
  35  */
  36
  37 #ifdef CONFIG_SD_BOOT
  38
  39 #ifdef CONFIG_ENV_IS_IN_MMC
  40 /* Use raw reserved sectors to save environment */
  41 #define CONFIG_ENV_OFFSET               0x2000
  42 #define CONFIG_ENV_SIZE                 0x1000
  43 #define CONFIG_SYS_MMC_ENV_DEV          0
  44 #else
  45 /* u-boot env in sd/mmc card */
  46 #define CONFIG_ENV_SIZE         0x4000
  47 #endif
  48
  49 #define CONFIG_BOOTCOMMAND      "if test ! -n ${dtb_name}; then "       \
  50                                     "setenv dtb_name at91-${board_name}.dtb; " \
  51                                 "fi; "                                  \
  52                                 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
  53                                 "fatload mmc 0:1 0x22000000 zImage; "   \
  54                                 "bootz 0x22000000 - 0x21000000"
  55
  56 #else
  57
  58 #ifdef CONFIG_NAND_BOOT
  59 /* u-boot env in nand flash */
  60 #define CONFIG_ENV_OFFSET               0x140000
  61 #define CONFIG_ENV_OFFSET_REDUND        0x100000
  62 #define CONFIG_ENV_SIZE                 0x20000
  63 #define CONFIG_BOOTCOMMAND              "nand read 0x21000000 0x180000 0x80000;"        \
  64                                         "nand read 0x22000000 0x200000 0x600000;"       \
  65                                         "bootz 0x22000000 - 0x21000000"
  66 #elif CONFIG_SPI_BOOT
  67 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
  68 #define CONFIG_ENV_OFFSET               0x6000
  69 #define CONFIG_ENV_SIZE                 0x2000
  70 #define CONFIG_ENV_SECT_SIZE            0x1000
  71 #define CONFIG_BOOTCOMMAND              "sf probe 0; "                          \
  72                                         "sf read 0x21000000 0x60000 0xc000; "   \
  73                                         "sf read 0x22000000 0x6c000 0x394000; " \
  74                                         "bootz 0x22000000 - 0x21000000"
  75 #endif
  76
  77 #endif
  78
  79 /* Size of malloc() pool */
  80 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  81
  82 #endif