text: /* SPDX-License-Identifier: GPL-2.0+ */
  /*
   * Common part of configuration settings for the AT91 SAMA5 board.
   *
   * Copyright (C) 2015 Atmel Corporation
   *		      Josh Wu <josh.wu@atmel.com>
   */
  
  #ifndef __AT91_SAMA5_COMMON_H
  #define __AT91_SAMA5_COMMON_H
  
  /* ARM asynchronous clock */
  #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
  #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
  
  #ifndef CONFIG_SPL_BUILD
  #define CONFIG_SKIP_LOWLEVEL_INIT
  #endif
  
  /* general purpose I/O */
  #ifndef CONFIG_DM_GPIO
  #define CONFIG_AT91_GPIO
  #endif
  
  
  /*
   * BOOTP options
   */
  #define CONFIG_BOOTP_BOOTFILESIZE
  
  /*
   * Command line configuration.
   */
  
  #ifdef CONFIG_SD_BOOT
  
  #ifdef CONFIG_ENV_IS_IN_MMC
  #define CONFIG_SYS_MMC_ENV_DEV		0
  #endif
  
  #define CONFIG_BOOTCOMMAND	"if test ! -n ${dtb_name}; then "	\
  				    "setenv dtb_name at91-${board_name}.dtb; " \
  				"fi; "					\
  				"fatload mmc 0:1 0x21000000 ${dtb_name}; " \
  				"fatload mmc 0:1 0x22000000 zImage; "	\
  				"bootz 0x22000000 - 0x21000000"
  
  #else
  
  #ifdef CONFIG_NAND_BOOT
  /* u-boot env in nand flash */
  #define CONFIG_BOOTCOMMAND		"nand read 0x21000000 0x180000 0x80000;"	\
  					"nand read 0x22000000 0x200000 0x600000;"	\
  					"bootz 0x22000000 - 0x21000000"
  #elif CONFIG_SPI_BOOT
  /* u-boot env in serial flash, by default is bus 0 and cs 0 */
  #define CONFIG_BOOTCOMMAND		"sf probe 0; "				\
  					"sf read 0x21000000 0x60000 0xc000; "	\
  					"sf read 0x22000000 0x6c000 0x394000; "	\
  					"bootz 0x22000000 - 0x21000000"
  #elif CONFIG_QSPI_BOOT
  #define CONFIG_BOOTCOMMAND		"sf probe 0; "					\
  					"sf read 0x21000000 0x180000 0x80000; "		\
  					"sf read 0x22000000 0x200000 0x600000; "	\
  					"bootz 0x22000000 - 0x21000000"
  #endif
  
  #endif
  
  /* Size of malloc() pool */
  #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
  
  #endif
  