/*
   * (C) Copyright 2007-2008

   * Stelian Pop <stelian@popies.net>

   * Lead Tech Design <www.leadtechdesign.com>
   *

   * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.

   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #ifndef __CONFIG_H
  #define __CONFIG_H

  /*
   * SoC must be defined first, before hardware.h is included.
   * In this case SoC is defined in boards.cfg.
   */
  #include <asm/hardware.h>

  /*
   * Warning: changing CONFIG_SYS_TEXT_BASE requires
   * adapting the initial boot program.
   * Since the linker has to swallow that define, we must use a pure
   * hex number here!
   */

  /* ARM asynchronous clock */
  #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
  #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* main clock xtal */

  /* Define actual evaluation board type from used processor type */
  #ifdef CONFIG_AT91SAM9G20
  # define CONFIG_AT91SAM9G20EK	/* It's an Atmel AT91SAM9G20 EK */

  #else

  # define CONFIG_AT91SAM9260EK	/* It's an Atmel AT91SAM9260 EK */

  #endif

  /* Misc CPU related */

  #define CONFIG_ARCH_CPU_INIT

  #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
  #define CONFIG_SETUP_MEMORY_TAGS
  #define CONFIG_INITRD_TAG

  #define CONFIG_SKIP_LOWLEVEL_INIT

  
  /* general purpose I/O */
  #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */

  /*
   * BOOTP options
   */
  #define CONFIG_BOOTP_BOOTFILESIZE	1

  
  /*

   * SDRAM: 1 bank, min 32, max 128 MB
   * Initialized before u-boot gets started.
   */

  #define CONFIG_NR_DRAM_BANKS		1

  #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
  #define CONFIG_SYS_SDRAM_SIZE		0x04000000
  
  /*
   * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
   * leaving the correct space for initial global data structure above
   * that address while providing maximum stack area below.
   */
  #ifdef CONFIG_AT91SAM9XE
  # define CONFIG_SYS_INIT_SP_ADDR \

  	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)

  #else
  # define CONFIG_SYS_INIT_SP_ADDR \

  	(ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)

  #endif

  /*
   * The (arm)linux board id set by generic code depending on configured board
   * (see boards.cfg for different boards)
   */
  #ifdef CONFIG_AT91SAM9G20
  	/* the sam9g20 variants have two different board ids */
  # ifdef CONFIG_AT91SAM9G20EK_2MMC
  	/* we may be setup for the 2MMC variant of at91sam9g20ek */
  #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
  # else
  	/* or the normal at91sam9g20ek */
  #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
  # endif
  #else
  	/* otherwise default to good old at91sam9260ek */
  # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
  #endif

  /* NAND flash */

  #ifdef CONFIG_CMD_NAND
  #define CONFIG_NAND_ATMEL

  #define CONFIG_SYS_MAX_NAND_DEVICE	1
  #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
  #define CONFIG_SYS_NAND_DBW_8
  #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
  #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
  #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
  #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13

  #endif

  /* USB */

  #define CONFIG_USB_ATMEL

  #define CONFIG_USB_ATMEL_CLK_SEL_PLLB

  #define CONFIG_USB_OHCI_NEW		1

  #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
  #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
  #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
  #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2

  #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */

  #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE

  #define CONFIG_SYS_MEMTEST_END			0x23e00000

  #ifdef CONFIG_SYS_USE_DATAFLASH_CS0

  
  /* bootstrap + u-boot + env + linux in dataflash on CS0 */

  #define CONFIG_ENV_OFFSET	0x4200

  #define CONFIG_ENV_SIZE		0x4200

  #define CONFIG_ENV_SECT_SIZE	0x210
  #define CONFIG_ENV_SPI_MAX_HZ	15000000
  #define CONFIG_BOOTCOMMAND	"sf probe 0:0; " \
  				"sf read 0x22000000 0x84000 0x294000; " \
  				"bootm 0x22000000"

  #elif CONFIG_SYS_USE_DATAFLASH_CS1

  #define CONFIG_ENV_OFFSET	0x4200

  #define CONFIG_ENV_SIZE		0x4200

  #define CONFIG_ENV_SECT_SIZE	0x210
  #define CONFIG_ENV_SPI_MAX_HZ	15000000
  #define CONFIG_BOOTCOMMAND	"sf probe 0:1; " \
  				"sf read 0x22000000 0x84000 0x294000; " \
  				"bootm 0x22000000"

  #elif defined(CONFIG_SYS_USE_NANDFLASH)

  
  /* bootstrap + u-boot + env + linux in nandflash */

  #define CONFIG_ENV_OFFSET		0x120000

  #define CONFIG_ENV_OFFSET_REDUND	0x100000

  #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */

  #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"

  #else	/* CONFIG_SYS_USE_MMC */
  /* bootstrap + u-boot + env + linux in mmc */

  /* For FAT system, most cases it should be in the reserved sector */
  #define CONFIG_ENV_OFFSET		0x2000
  #define CONFIG_ENV_SIZE			0x1000
  #define CONFIG_SYS_MMC_ENV_DEV		0
  
  #define CONFIG_BOOTCOMMAND						\
  	"fatload mmc 0:1 0x22000000 uImage; bootm"

  #endif

  /*
   * Size of malloc() pool
   */

  #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)

  #endif