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 /* general purpose I/O */
  24 #ifndef CONFIG_DM_GPIO
  25 #define CONFIG_AT91_GPIO
  26 #endif
  27
  28
  29 /*
  30  * BOOTP options
  31  */
  32 #define CONFIG_BOOTP_BOOTFILESIZE
  33
  34 /*
  35  * Command line configuration.
  36  */
  37
  38 #ifdef CONFIG_SD_BOOT
  39
  40 #ifdef CONFIG_ENV_IS_IN_MMC
  41 /* Use raw reserved sectors to save environment */
  42 #define CONFIG_ENV_OFFSET               0x2000
  43 #define CONFIG_ENV_SIZE                 0x1000
  44 #define CONFIG_SYS_MMC_ENV_DEV          0
  45 #else
  46 /* u-boot env in sd/mmc card */
  47 #define CONFIG_ENV_SIZE         0x4000
  48 #endif
  49
  50 #define CONFIG_BOOTCOMMAND      "if test ! -n ${dtb_name}; then "       \
  51                                     "setenv dtb_name at91-${board_name}.dtb; " \
  52                                 "fi; "                                  \
  53                                 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
  54                                 "fatload mmc 0:1 0x22000000 zImage; "   \
  55                                 "bootz 0x22000000 - 0x21000000"
  56
  57 #else
  58
  59 #ifdef CONFIG_NAND_BOOT
  60 /* u-boot env in nand flash */
  61 #define CONFIG_ENV_OFFSET               0xc0000
  62 #define CONFIG_ENV_OFFSET_REDUND        0x100000
  63 #define CONFIG_ENV_SIZE                 0x20000
  64 #define CONFIG_BOOTCOMMAND              "nand read 0x21000000 0x180000 0x80000;"        \
  65                                         "nand read 0x22000000 0x200000 0x600000;"       \
  66                                         "bootz 0x22000000 - 0x21000000"
  67 #elif CONFIG_SPI_BOOT
  68 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
  69 #define CONFIG_ENV_OFFSET               0x6000
  70 #define CONFIG_ENV_SIZE                 0x2000
  71 #define CONFIG_ENV_SECT_SIZE            0x1000
  72 #define CONFIG_BOOTCOMMAND              "sf probe 0; "                          \
  73                                         "sf read 0x21000000 0x60000 0xc000; "   \
  74                                         "sf read 0x22000000 0x6c000 0x394000; " \
  75                                         "bootz 0x22000000 - 0x21000000"
  76 #endif
  77
  78 #endif
  79
  80 /* Size of malloc() pool */
  81 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  82
  83 #endif