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 #include <linux/kconfig.h>
  13
  14 /* ARM asynchronous clock */
  15 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
  16 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
  17
  18 #ifndef CONFIG_SPL_BUILD
  19 #define CONFIG_SKIP_LOWLEVEL_INIT
  20 #endif
  21
  22 /* general purpose I/O */
  23 #if !CONFIG_IS_ENABLED(DM_GPIO)
  24 #define CONFIG_AT91_GPIO
  25 #endif
  26
  27 /*
  28  * BOOTP options
  29  */
  30 #define CONFIG_BOOTP_BOOTFILESIZE
  31
  32 /*
  33  * Command line configuration.
  34  */
  35
  36 #ifdef CONFIG_SD_BOOT
  37
  38 #ifdef CONFIG_ENV_IS_IN_MMC
  39 #define CONFIG_SYS_MMC_ENV_DEV          0
  40 #endif
  41
  42 #define CONFIG_BOOTCOMMAND      "if test ! -n ${dtb_name}; then "       \
  43                                     "setenv dtb_name at91-${board_name}.dtb; " \
  44                                 "fi; "                                  \
  45                                 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
  46                                 "fatload mmc 0:1 0x22000000 zImage; "   \
  47                                 "bootz 0x22000000 - 0x21000000"
  48
  49 #else
  50
  51 #ifdef CONFIG_NAND_BOOT
  52 /* u-boot env in nand flash */
  53 #define CONFIG_BOOTCOMMAND              "nand read 0x21000000 0x180000 0x80000;"        \
  54                                         "nand read 0x22000000 0x200000 0x600000;"       \
  55                                         "bootz 0x22000000 - 0x21000000"
  56 #elif CONFIG_SPI_BOOT
  57 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
  58 #define CONFIG_BOOTCOMMAND              "sf probe 0; "                          \
  59                                         "sf read 0x21000000 0x60000 0xc000; "   \
  60                                         "sf read 0x22000000 0x6c000 0x394000; " \
  61                                         "bootz 0x22000000 - 0x21000000"
  62 #elif CONFIG_QSPI_BOOT
  63 #define CONFIG_BOOTCOMMAND              "sf probe 0; "                                  \
  64                                         "sf read 0x21000000 0x180000 0x80000; "         \
  65                                         "sf read 0x22000000 0x200000 0x600000; "        \
  66                                         "bootz 0x22000000 - 0x21000000"
  67 #endif
  68
  69 #endif
  70
  71 /* Size of malloc() pool */
  72 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  73
  74 #endif