include/configs/at91sam9260ek.h - u-boot - Git at Google

 /*
  * (C) Copyright 2007-2008
  * Stelian Pop <stelian@popies.net>
  * Lead Tech Design <www.leadtechdesign.com>
  *
  * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */

 #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!
  */
 #define CONFIG_SYS_TEXT_BASE		0x21f00000

 /* ARM asynchronous clock */
 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* main clock xtal */
 #define CONFIG_SYS_HZ			1000

 /* 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
 #define CONFIG_BOARD_EARLY_INIT_F
 #define CONFIG_DISPLAY_CPUINFO

 #define CONFIG_CMD_BOOTZ
 #define CONFIG_OF_LIBFDT

 /* general purpose I/O */
 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
 #define CONFIG_AT91_GPIO
 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */

 /* serial console */
 #define CONFIG_ATMEL_USART
 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
 #define	CONFIG_USART_ID			ATMEL_ID_SYS
 #define CONFIG_BAUDRATE			115200

 /* LED */
 #define CONFIG_AT91_LED
 #define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
 #define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */

 #define CONFIG_BOOTDELAY	3

 /*
  * BOOTP options
  */
 #define CONFIG_BOOTP_BOOTFILESIZE	1
 #define CONFIG_BOOTP_BOOTPATH		1
 #define CONFIG_BOOTP_GATEWAY		1
 #define CONFIG_BOOTP_HOSTNAME		1

 /*
  * Command line configuration.
  */
 #include <config_cmd_default.h>
 #undef CONFIG_CMD_BDI
 #undef CONFIG_CMD_FPGA
 #undef CONFIG_CMD_IMI
 #undef CONFIG_CMD_IMLS
 #undef CONFIG_CMD_LOADS
 #undef CONFIG_CMD_SOURCE

 #define CONFIG_CMD_PING		1
 #define CONFIG_CMD_DHCP		1
 #define CONFIG_CMD_NAND		1
 #define CONFIG_CMD_MMC
 #define CONFIG_CMD_FAT
 #define CONFIG_CMD_USB		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 + 0x1000 - GENERATED_GBL_DATA_SIZE)
 #else
 # define CONFIG_SYS_INIT_SP_ADDR \
 	(ATMEL_BASE_SRAM1 + 0x1000 - 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

 /* DataFlash */
 #ifndef CONFIG_AT91SAM9G20EK_2MMC
 #define CONFIG_ATMEL_DATAFLASH_SPI
 #define CONFIG_HAS_DATAFLASH		1
 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
 #define AT91_SPI_CLK			15000000
 #endif

 #ifdef CONFIG_AT91SAM9G20EK
 #define DATAFLASH_TCSS			(0x22 << 16)
 #else
 #define DATAFLASH_TCSS			(0x1a << 16)
 #endif
 #define DATAFLASH_TCHS			(0x1 << 24)

 /* 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

 /* 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

 /* NOR flash - no real flash on this board */
 #define CONFIG_SYS_NO_FLASH			1

 /* Ethernet */
 #define CONFIG_MACB			1
 #define CONFIG_RMII			1
 #define CONFIG_NET_RETRY_COUNT		20
 #define CONFIG_RESET_PHY_R		1

 /* USB */
 #define CONFIG_USB_ATMEL
 #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_USB_STORAGE		1

 #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_IS_IN_DATAFLASH	1
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
 #define CONFIG_ENV_OFFSET		0x4200
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
 #define CONFIG_ENV_SIZE		0x4200
 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
 				"root=/dev/mtdblock0 "			\
 				"mtdparts=atmel_nand:-(root) "		\
 				"rw rootfstype=jffs2"

 #elif CONFIG_SYS_USE_DATAFLASH_CS1

 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
 #define CONFIG_ENV_IS_IN_DATAFLASH	1
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
 #define CONFIG_ENV_OFFSET		0x4200
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
 #define CONFIG_ENV_SIZE		0x4200
 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0084000 0x22000000 0x210000; bootm"
 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
 				"root=/dev/mtdblock0 "			\
 				"mtdparts=atmel_nand:-(root) "		\
 				"rw rootfstype=jffs2"

 #elif defined(CONFIG_SYS_USE_NANDFLASH)

 /* bootstrap + u-boot + env + linux in nandflash */
 #define CONFIG_ENV_IS_IN_NAND	1
 #define CONFIG_ENV_OFFSET		0xc0000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
 #define CONFIG_BOOTARGS							\
 	"console=ttyS0,115200 earlyprintk "				\
 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
 	"256k(env),256k(env_redundant),256k(spare),"			\
 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
 	"root=/dev/mtdblock7 rw rootfstype=jffs2"

 #else	/* CONFIG_SYS_USE_MMC */
 /* bootstrap + u-boot + env + linux in mmc */
 #define CONFIG_ENV_IS_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"
 #define CONFIG_BOOTARGS							\
 	"console=ttyS0,115200 earlyprintk "				\
 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
 	"256k(env),256k(env_redundant),256k(spare),"			\
 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
 	"root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
 #endif

 #define CONFIG_SYS_PROMPT		"U-Boot> "
 #define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_LONGHELP		1
 #define CONFIG_CMDLINE_EDITING	1
 #define CONFIG_AUTO_COMPLETE

 /*
  * Size of malloc() pool
  */
 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)

 #endif
	/*
	* (C) Copyright 2007-2008
	* Stelian Pop <stelian@popies.net>
	* Lead Tech Design <www.leadtechdesign.com>
	*
	* Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
	*
	* See file CREDITS for list of people who contributed to this
	* project.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License as
	* published by the Free Software Foundation; either version 2 of
	* the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	* MA 02111-1307 USA
	*/

	#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!
	*/
	#define CONFIG_SYS_TEXT_BASE 0x21f00000

	/* ARM asynchronous clock */
	#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
	#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
	#define CONFIG_SYS_HZ 1000

	/* 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
	#define CONFIG_BOARD_EARLY_INIT_F
	#define CONFIG_DISPLAY_CPUINFO

	#define CONFIG_CMD_BOOTZ
	#define CONFIG_OF_LIBFDT

	/* general purpose I/O */
	#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
	#define CONFIG_AT91_GPIO
	#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */

	/* serial console */
	#define CONFIG_ATMEL_USART
	#define CONFIG_USART_BASE ATMEL_BASE_DBGU
	#define CONFIG_USART_ID ATMEL_ID_SYS
	#define CONFIG_BAUDRATE 115200

	/* LED */
	#define CONFIG_AT91_LED
	#define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */
	#define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */

	#define CONFIG_BOOTDELAY 3

	/*
	* BOOTP options
	*/
	#define CONFIG_BOOTP_BOOTFILESIZE 1
	#define CONFIG_BOOTP_BOOTPATH 1
	#define CONFIG_BOOTP_GATEWAY 1
	#define CONFIG_BOOTP_HOSTNAME 1

	/*
	* Command line configuration.
	*/
	#include <config_cmd_default.h>
	#undef CONFIG_CMD_BDI
	#undef CONFIG_CMD_FPGA
	#undef CONFIG_CMD_IMI
	#undef CONFIG_CMD_IMLS
	#undef CONFIG_CMD_LOADS
	#undef CONFIG_CMD_SOURCE

	#define CONFIG_CMD_PING 1
	#define CONFIG_CMD_DHCP 1
	#define CONFIG_CMD_NAND 1
	#define CONFIG_CMD_MMC
	#define CONFIG_CMD_FAT
	#define CONFIG_CMD_USB 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 + 0x1000 - GENERATED_GBL_DATA_SIZE)
	#else
	# define CONFIG_SYS_INIT_SP_ADDR \
	(ATMEL_BASE_SRAM1 + 0x1000 - 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

	/* DataFlash */
	#ifndef CONFIG_AT91SAM9G20EK_2MMC
	#define CONFIG_ATMEL_DATAFLASH_SPI
	#define CONFIG_HAS_DATAFLASH 1
	#define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ)
	#define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
	#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
	#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */
	#define AT91_SPI_CLK 15000000
	#endif

	#ifdef CONFIG_AT91SAM9G20EK
	#define DATAFLASH_TCSS (0x22 << 16)
	#else
	#define DATAFLASH_TCSS (0x1a << 16)
	#endif
	#define DATAFLASH_TCHS (0x1 << 24)

	/* 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

	/* 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

	/* NOR flash - no real flash on this board */
	#define CONFIG_SYS_NO_FLASH 1

	/* Ethernet */
	#define CONFIG_MACB 1
	#define CONFIG_RMII 1
	#define CONFIG_NET_RETRY_COUNT 20
	#define CONFIG_RESET_PHY_R 1

	/* USB */
	#define CONFIG_USB_ATMEL
	#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_USB_STORAGE 1

	#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_IS_IN_DATAFLASH 1
	#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
	#define CONFIG_ENV_OFFSET 0x4200
	#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
	#define CONFIG_ENV_SIZE 0x4200
	#define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm"
	#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
	"root=/dev/mtdblock0 " \
	"mtdparts=atmel_nand:-(root) " \
	"rw rootfstype=jffs2"

	#elif CONFIG_SYS_USE_DATAFLASH_CS1

	/* bootstrap + u-boot + env + linux in dataflash on CS1 */
	#define CONFIG_ENV_IS_IN_DATAFLASH 1
	#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
	#define CONFIG_ENV_OFFSET 0x4200
	#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
	#define CONFIG_ENV_SIZE 0x4200
	#define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm"
	#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
	"root=/dev/mtdblock0 " \
	"mtdparts=atmel_nand:-(root) " \
	"rw rootfstype=jffs2"

	#elif defined(CONFIG_SYS_USE_NANDFLASH)

	/* bootstrap + u-boot + env + linux in nandflash */
	#define CONFIG_ENV_IS_IN_NAND 1
	#define CONFIG_ENV_OFFSET 0xc0000
	#define CONFIG_ENV_OFFSET_REDUND 0x100000
	#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
	#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
	#define CONFIG_BOOTARGS \
	"console=ttyS0,115200 earlyprintk " \
	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
	"256k(env),256k(env_redundant),256k(spare)," \
	"512k(dtb),6M(kernel)ro,-(rootfs) " \
	"root=/dev/mtdblock7 rw rootfstype=jffs2"

	#else /* CONFIG_SYS_USE_MMC */
	/* bootstrap + u-boot + env + linux in mmc */
	#define CONFIG_ENV_IS_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"
	#define CONFIG_BOOTARGS \
	"console=ttyS0,115200 earlyprintk " \
	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
	"256k(env),256k(env_redundant),256k(spare)," \
	"512k(dtb),6M(kernel)ro,-(rootfs) " \
	"root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
	#endif

	#define CONFIG_SYS_PROMPT "U-Boot> "
	#define CONFIG_SYS_CBSIZE 256
	#define CONFIG_SYS_MAXARGS 16
	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
	#define CONFIG_SYS_LONGHELP 1
	#define CONFIG_CMDLINE_EDITING 1
	#define CONFIG_AUTO_COMPLETE

	/*
	* Size of malloc() pool
	*/
	#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)

	#endif