/*
   * (C) Copyright 2007-2008

   * Stelian Pop <stelian@popies.net>

   * Lead Tech Design <www.leadtechdesign.com>
   *
   * Configuation settings for the AT91SAM9RLEK board.
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #ifndef __CONFIG_H
  #define __CONFIG_H

  #include <asm/hardware.h>

  /* ARM asynchronous clock */

  #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
  #define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* main clock xtal */

  #define CONFIG_ARCH_CPU_INIT

  #define CONFIG_SKIP_LOWLEVEL_INIT

  #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
  #define CONFIG_SETUP_MEMORY_TAGS	1
  #define CONFIG_INITRD_TAG		1

  #define CONFIG_ATMEL_LEGACY

  
  /*
   * Hardware drivers
   */

  /* LCD */

  #define LCD_BPP				LCD_COLOR8
  #define CONFIG_LCD_LOGO			1
  #undef LCD_TEST_PATTERN
  #define CONFIG_LCD_INFO			1
  #define CONFIG_LCD_INFO_BELOW_LOGO	1

  #define CONFIG_ATMEL_LCD		1
  #define CONFIG_ATMEL_LCD_RGB565		1

  /* Let board_init_f handle the framebuffer allocation */
  #undef CONFIG_FB_ADDR

  /* SDRAM */
  #define CONFIG_NR_DRAM_BANKS		1

  #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
  #define CONFIG_SYS_SDRAM_SIZE		0x04000000
  
  #define CONFIG_SYS_INIT_SP_ADDR \

  	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)

  /* 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			1

  /* our ALE is AD21 */
  #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
  /* our CLE is AD22 */
  #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
  #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
  #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17

  #endif

  
  /* Ethernet - not present */
  
  /* USB - not supported */

  #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

  
  /* 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; " \
  				"sf read 0x22000000 0x84000 0x294000; " \
  				"bootm 0x22000000"

  #elif 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 0x600000; "	\
  				"nand read 0x21000000 0x180000 0x80000; "	\
  				"bootz 0x22000000 - 0x21000000"

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

  #define CONFIG_ENV_SIZE		0x4000
  #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
  				"fatload mmc 0:1 0x22000000 zImage; " \
  				"bootz 0x22000000 - 0x21000000"

  #endif

  /*
   * Size of malloc() pool
   */

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

  #endif