/*
   * Common part of configuration settings for the AT91 SAMA5 board.
   *
   * Copyright (C) 2015 Atmel Corporation
   *		      Josh Wu <josh.wu@atmel.com>
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #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 */
  
  #define CONFIG_ARCH_CPU_INIT
  
  #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
  /* Use raw reserved sectors to save environment */
  #define CONFIG_ENV_OFFSET		0x2000
  #define CONFIG_ENV_SIZE			0x1000
  #define CONFIG_SYS_MMC_ENV_DEV		0
  #else

  /* u-boot env in sd/mmc card */

  #define CONFIG_ENV_SIZE		0x4000

  #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_ENV_OFFSET		0xc0000
  #define CONFIG_ENV_OFFSET_REDUND	0x100000
  #define CONFIG_ENV_SIZE			0x20000
  #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_ENV_OFFSET		0x6000
  #define CONFIG_ENV_SIZE			0x2000

  #define CONFIG_ENV_SECT_SIZE		0x1000
  #define CONFIG_BOOTCOMMAND		"sf probe 0; "				\
  					"sf read 0x21000000 0x60000 0xc000; "	\
  					"sf read 0x22000000 0x6c000 0x394000; "	\
  					"bootz 0x22000000 - 0x21000000"

  #endif

  #endif

  /* Size of malloc() pool */
  #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
  
  #endif