text: /*
   * (C) Copyright 2013 Atmel Corporation.
   * Josh Wu <josh.wu@atmel.com>
   *
   * Configuation settings for the AT91SAM9N12-EK boards.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #ifndef __AT91SAM9N12_CONFIG_H_
  #define __AT91SAM9N12_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>
  
  #define CONFIG_SYS_TEXT_BASE		0x26f00000
  
  /* ARM asynchronous clock */
  #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
  #define CONFIG_SYS_AT91_MAIN_CLOCK	16000000	/* main clock xtal */
  
  /* Misc CPU related */
  #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
  #define CONFIG_SETUP_MEMORY_TAGS
  #define CONFIG_INITRD_TAG
  #define CONFIG_SKIP_LOWLEVEL_INIT
  #define CONFIG_BOARD_EARLY_INIT_F
  #define CONFIG_DISPLAY_CPUINFO
  
  #define CONFIG_OF_LIBFDT
  #define CONFIG_SYS_GENERIC_BOARD
  
  /* general purpose I/O */
  #define CONFIG_AT91_GPIO
  
  /* serial console */
  #define CONFIG_ATMEL_USART
  #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
  #define CONFIG_USART_ID			ATMEL_ID_SYS
  #define CONFIG_BAUDRATE			115200
  
  /* LCD */
  #define CONFIG_LCD
  #define LCD_BPP				LCD_COLOR16
  #define LCD_OUTPUT_BPP			24
  #define CONFIG_LCD_LOGO
  #define CONFIG_LCD_INFO
  #define CONFIG_LCD_INFO_BELOW_LOGO
  #define CONFIG_SYS_WHITE_ON_BLACK
  #define CONFIG_ATMEL_HLCD
  #define CONFIG_ATMEL_LCD_RGB565
  #define CONFIG_SYS_CONSOLE_IS_IN_ENV
  
  #define CONFIG_BOOTDELAY		3
  
  /*
   * BOOTP options
   */
  #define CONFIG_BOOTP_BOOTFILESIZE
  #define CONFIG_BOOTP_BOOTPATH
  #define CONFIG_BOOTP_GATEWAY
  #define CONFIG_BOOTP_HOSTNAME
  
  /* NOR flash - no real flash on this board */
  #define CONFIG_SYS_NO_FLASH
  
  /*
   * Command line configuration.
   */
  #define CONFIG_CMD_BOOTZ
  #define CONFIG_CMD_PING
  #define CONFIG_CMD_DHCP
  #define CONFIG_CMD_NAND
  #define CONFIG_CMD_SF
  #define CONFIG_CMD_MMC
  #define CONFIG_CMD_FAT
  #define CONFIG_CMD_USB
  
  #define CONFIG_NR_DRAM_BANKS		1
  #define CONFIG_SYS_SDRAM_BASE		0x20000000
  #define CONFIG_SYS_SDRAM_SIZE		0x08000000
  
  /*
   * 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.
   */
  # define CONFIG_SYS_INIT_SP_ADDR \
  	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
  
  /* DataFlash */
  #ifdef CONFIG_CMD_SF
  #define CONFIG_ATMEL_SPI
  #define CONFIG_SPI_FLASH_ATMEL
  #define CONFIG_SF_DEFAULT_SPEED		30000000
  #define CONFIG_ENV_SPI_MODE		SPI_MODE_3
  #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
  #endif
  
  /* NAND flash */
  #ifdef CONFIG_CMD_NAND
  #define CONFIG_NAND_ATMEL
  #define CONFIG_SYS_MAX_NAND_DEVICE	1
  #define CONFIG_SYS_NAND_BASE		0x40000000
  #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
  #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
  #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(4)
  #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PD(5)
  
  /* PMECC & PMERRLOC */
  #define CONFIG_ATMEL_NAND_HWECC
  #define CONFIG_ATMEL_NAND_HW_PMECC
  #define CONFIG_PMECC_CAP		2
  #define CONFIG_PMECC_SECTOR_SIZE	512
  #define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
  
  #define CONFIG_CMD_NAND_TRIMFFS
  
  #endif
  
  #define CONFIG_MTD_PARTITIONS
  #define CONFIG_MTD_DEVICE
  #define CONFIG_CMD_MTDPARTS
  #define MTDIDS_DEFAULT			"nand0=atmel_nand"
  #define MTDPARTS_DEFAULT						\
  	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
  	"256k(env),256k(env_redundant),256k(spare),"			\
  	"512k(dtb),6M(kernel)ro,-(rootfs)"
  
  #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  	"console=console=ttyS0,115200\0"                                \
  	"mtdparts="MTDPARTS_DEFAULT"\0"					\
  	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
  	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
  
  /* MMC */
  #ifdef CONFIG_CMD_MMC
  #define CONFIG_MMC
  #define CONFIG_GENERIC_MMC
  #define CONFIG_GENERIC_ATMEL_MCI
  #endif
  
  /* FAT */
  #ifdef CONFIG_CMD_FAT
  #define CONFIG_DOS_PARTITION
  #endif
  
  /* Ethernet */
  #define CONFIG_KS8851_MLL
  #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
  
  #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
  
  #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
  #define CONFIG_SYS_MEMTEST_END		0x26e00000
  
  /* USB host */
  #ifdef CONFIG_CMD_USB
  #define CONFIG_USB_ATMEL
  #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
  #define CONFIG_USB_OHCI_NEW
  #define CONFIG_SYS_USB_OHCI_CPU_INIT
  #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_BASE_OHCI
  #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9n12"
  #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
  #define CONFIG_USB_STORAGE
  #endif
  
  #ifdef CONFIG_SYS_USE_SPIFLASH
  
  /* bootstrap + u-boot + env + linux in dataflash on CS0 */
  #define CONFIG_ENV_IS_IN_SPI_FLASH
  #define CONFIG_ENV_OFFSET		0x5000
  #define CONFIG_ENV_SIZE			0x3000
  #define CONFIG_ENV_SECT_SIZE		0x1000
  #define CONFIG_BOOTCOMMAND						\
  	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
  	"sf probe 0; sf read 0x22000000 0x100000 0x300000; "		\
  	"bootm 0x22000000"
  
  #elif defined(CONFIG_SYS_USE_NANDFLASH)
  
  /* bootstrap + u-boot + env + linux in nandflash */
  #define CONFIG_ENV_IS_IN_NAND
  #define CONFIG_ENV_OFFSET		0xc0000
  #define CONFIG_ENV_OFFSET_REDUND	0x100000
  #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
  #define CONFIG_BOOTCOMMAND						\
  	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
  	"nand read 0x21000000 0x180000 0x080000;"			\
  	"nand read 0x22000000 0x200000 0x400000;"			\
  	"bootm 0x22000000 - 0x21000000"
  
  #else /* CONFIG_SYS_USE_MMC */
  
  /* bootstrap + u-boot + env + linux in mmc */
  
  #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
  /* Use file in FAT file to save environment */
  #define CONFIG_ENV_IS_IN_FAT
  #define CONFIG_FAT_WRITE
  #define FAT_ENV_INTERFACE		"mmc"
  #define FAT_ENV_FILE			"uboot.env"
  #define FAT_ENV_DEVICE_AND_PART		"0"
  #define CONFIG_ENV_SIZE			0x4000
  #endif
  
  #define CONFIG_BOOTCOMMAND						\
  	"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"	\
  	"fatload mmc 0:1 0x21000000 dtb;"				\
  	"fatload mmc 0:1 0x22000000 uImage;"				\
  	"bootm 0x22000000 - 0x21000000"
  
  #endif
  
  #define CONFIG_SYS_CBSIZE	256
  #define CONFIG_SYS_MAXARGS	16
  #define CONFIG_SYS_LONGHELP
  #define CONFIG_CMDLINE_EDITING
  #define CONFIG_AUTO_COMPLETE
  #define CONFIG_SYS_HUSH_PARSER
  
  /*
   * Size of malloc() pool
   */
  #define CONFIG_SYS_MALLOC_LEN	(4 * 1024 * 1024)
  
  /* SPL */
  #define CONFIG_SPL_FRAMEWORK
  #define CONFIG_SPL_TEXT_BASE		0x300000
  #define CONFIG_SPL_MAX_SIZE		0x6000
  #define CONFIG_SPL_STACK		0x308000
  
  #define CONFIG_SPL_BSS_START_ADDR	0x20000000
  #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
  #define CONFIG_SYS_SPL_MALLOC_START	0x20080000
  #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
  
  #define CONFIG_SPL_LIBCOMMON_SUPPORT
  #define CONFIG_SPL_LIBGENERIC_SUPPORT
  #define CONFIG_SPL_GPIO_SUPPORT
  #define CONFIG_SPL_SERIAL_SUPPORT
  
  #define CONFIG_SPL_BOARD_INIT
  #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
  
  #define CONFIG_SYS_MASTER_CLOCK		132096000
  #define CONFIG_SYS_AT91_PLLA		0x20953f03
  #define CONFIG_SYS_MCKR			0x1301
  #define CONFIG_SYS_MCKR_CSS		0x1302
  
  #ifdef CONFIG_SYS_USE_MMC
  #define CONFIG_SPL_LDSCRIPT		arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
  #define CONFIG_SPL_MMC_SUPPORT
  #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x400
  #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200
  #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
  #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
  #define CONFIG_SPL_FAT_SUPPORT
  #define CONFIG_SPL_LIBDISK_SUPPORT
  
  #elif CONFIG_SYS_USE_NANDFLASH
  #define CONFIG_SPL_NAND_SUPPORT
  #define CONFIG_SPL_NAND_DRIVERS
  #define CONFIG_SPL_NAND_BASE
  #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
  #define CONFIG_SYS_NAND_5_ADDR_CYCLE
  #define CONFIG_SYS_NAND_PAGE_SIZE	0x800
  #define CONFIG_SYS_NAND_PAGE_COUNT	64
  #define CONFIG_SYS_NAND_OOBSIZE		64
  #define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
  #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0
  #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
  
  #elif CONFIG_SYS_USE_SPIFLASH
  #define CONFIG_SPL_SPI_SUPPORT
  #define CONFIG_SPL_SPI_FLASH_SUPPORT
  #define CONFIG_SPL_SPI_LOAD
  #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8400
  
  #endif
  
  #endif
  