include/configs/top9000.h - filogic/uboot - Gitiles

 /*
  * (C) Copyright 2010
  * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
  *
  * Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
  *
  * 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
  */
 /*
  * top9000 with at91sam9xe256 or at91sam9xe512
  *
  * Initial Bootloader is in embedded flash.
  * Vital Product Data, U-Boot Environment are in I2C-EEPROM.
  * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
  * kernel and file system are either in NAND flash or on a micro SD card.
  * NAND flash is optional.
  * I2C EEPROM is never optional.
  * SPI FRAM is optional.
  * SPI ENC28J60 is optional.
  * 16 or 32 bit wide SDRAM.
  */
 #ifndef __CONFIG_H
 #define __CONFIG_H

 /*
  * Warning: changing CONFIG_SYS_TEXT_BASE requires
  * adapting the initial boot program
  */
 #define CONFIG_SYS_TEXT_BASE		0x21f00000	/* 31 MB into RAM */

 /* Command line configuration */
 #include <config_cmd_default.h>
 #undef CONFIG_CMD_FPGA
 #undef CONFIG_CMD_SETGETDCR
 #undef CONFIG_CMD_XIMG
 #define CONFIG_CMD_ASKENV
 #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_PROMPT		"TOP9000> "
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING
 #define CONFIG_CMD_BDI
 #define CONFIG_CMD_CACHE

 /* ARM asynchronous clock */
 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* 18.432 MHz xtal */
 #define CONFIG_SYS_HZ			1000

 /* SoC */
 #define CONFIG_ARM926EJS		/* ARM926EJS Core */
 #define CONFIG_AT91FAMILY		/* it's a member of AT91 */
 #define CONFIG_AT91SAM9260		/* Atmel AT91SAM9260 based SoC */
 #define CONFIG_AT91SAM9XE

 /* Misc CPU related */
 #define CONFIG_AT91_LEGACY
 #define CONFIG_ARCH_CPU_INIT
 #undef	CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
 #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_AT91RESET_EXTRST		/* assert external reset */

 /* general purpose I/O */
 #define CONFIG_AT91_GPIO
 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */

 /* serial console */
 #define CONFIG_ATMEL_USART
 #define CONFIG_USART3			/* USART 3 is DBGU !!! */
 #define CONFIG_BAUDRATE			115200
 #define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }

 /* SD/MMC card */
 #define CONFIG_MMC
 #define CONFIG_GENERIC_MMC
 #define CONFIG_GENERIC_ATMEL_MCI
 #define CONFIG_SYS_MMC_CD_PIN		AT91_PIN_PC9
 #define CONFIG_CMD_MMC

 /* Ethernet */
 #define CONFIG_MACB
 #define CONFIG_SYS_PHY_ID	1
 #define CONFIG_RMII
 #define CONFIG_NET_MULTI
 #define CONFIG_NET_RETRY_COUNT	20

 /* real time clock */
 #define CONFIG_RTC_AT91SAM9_RTT
 #define CONFIG_CMD_DATE

 #if defined(CONFIG_AT91SAM9XE)
 /*
  * NOR flash - use embedded flash of SAM9XE256/512
  * U-Boot will not fit into 128K !
  * 2010.09 will not fit into 256K with all options enabled !
  *
  * Layout:
  * 16kB	1st Bootloader
  * Rest U-Boot
  * the first sector (16kB) of EFLASH cannot be unprotected
  * with u-boot commands
  */
 # define CONFIG_AT91_EFLASH
 # define CONFIG_SYS_FLASH_BASE		0x200000
 # define CONFIG_SYS_MAX_FLASH_SECT	32
 # define CONFIG_SYS_MAX_FLASH_BANKS	1
 # define CONFIG_SYS_FLASH_PROTECTION
 # define CONFIG_EFLASH_PROTSECTORS	1	/* protect first sector */
 #endif

 /* SPI */
 #define CONFIG_ATMEL_SPI
 #define CONFIG_CMD_SPI

 /* RAMTRON FRAM */
 #define CONFIG_CMD_SF
 #define CONFIG_ATMEL_SPI0		/* SPI used for FRAM is SPI0 */
 #define FRAM_SPI_BUS		0
 #define FRAM_CS_NUM		0
 #define CONFIG_SPI_FLASH		/* RAMTRON FRAM on SPI bus */
 #define CONFIG_SPI_FRAM_RAMTRON
 #define CONFIG_SF_DEFAULT_SPEED	1000000	/* be conservative here... */
 #define CONFIG_SF_DEFAULT_MODE	SPI_MODE_0
 #define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC	"FM25H20"

 /* Microchip ENC28J60 (second LAN) */
 #if defined(CONFIG_EVAL9000)
 # define CONFIG_ENC28J60
 # define CONFIG_ATMEL_SPI1		/* SPI used for ENC28J60 is SPI1 */
 # define ENC_SPI_BUS		1
 # define ENC_CS_NUM		0
 # define ENC_SPI_CLOCK	1000000
 #endif /* CONFIG_EVAL9000 */

 /*
  * 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		0x20000000
 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
 #define CONFIG_SYS_MEMTEST_END		0x21e00000
 #define CONFIG_SYS_LOAD_ADDR \
 	(CONFIG_SYS_SDRAM_BASE + 0x01000000)
 /*
  * Initial stack pointer: 16k - 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 \
 	(0x00300000 + 0x4000 - GENERATED_GBL_DATA_SIZE)

 /*
  * NAND flash: 256 MB (optional)
  *
  * Layout:
  * 640kB: u-boot (includes space for spare sectors, handled by
  * initial loader)
  * 2MB: kernel
  * rest: file system
  */
 #define CONFIG_NAND_ATMEL
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
 #define CONFIG_SYS_NAND_BASE		0x40000000
 #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
 #define CONFIG_CMD_NAND

 /* USB */
 #define CONFIG_USB_ATMEL
 #define CONFIG_USB_OHCI_NEW
 #define CONFIG_DOS_PARTITION
 #define CONFIG_SYS_USB_OHCI_CPU_INIT
 #define CONFIG_SYS_USB_OHCI_REGS_BASE	0x00500000
 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"top9000"
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
 #define CONFIG_USB_STORAGE
 #define CONFIG_CMD_USB

 /* I2C support must always be enabled */
 #define CONFIG_SOFT_I2C
 #define CONFIG_CMD_I2C
 #define CONFIG_SYS_I2C_SPEED		400000
 #define CONFIG_SYS_I2C_SLAVE		0x7F
 #define CONFIG_I2C_MULTI_BUS
 #define I2C0_PORT			AT91_PIO_PORTA
 #define SDA0_PIN			23
 #define SCL0_PIN			24
 #define I2C1_PORT			AT91_PIO_PORTB
 #define SDA1_PIN			12
 #define SCL1_PIN			13
 #define I2C_SOFT_DECLARATIONS		void iic_init(void);\
 					int iic_read(void);\
 					void iic_sda(int);\
 					void iic_scl(int);
 #define I2C_ACTIVE
 #define I2C_TRISTATE
 #define I2C_INIT			iic_init()
 #define I2C_READ			iic_read()
 #define I2C_SDA(bit)			iic_sda(bit)
 #define I2C_SCL(bit)			iic_scl(bit)
 #define I2C_DELAY			udelay(3)
 /* EEPROM configuration */
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	5
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
 #define CONFIG_SYS_EEPROM_SIZE		0x2000
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x57
 /* later: #define CONFIG_I2C_ENV_EEPROM_BUS	0 */
 /* ENV is always in I2C-EEPROM */
 #define CONFIG_ENV_IS_IN_EEPROM
 #define CONFIG_ENV_OFFSET		0x1000
 #define CONFIG_ENV_SIZE			0x0f00
 /* VPD settings */
 #define CONFIG_SYS_I2C_FACT_ADDR	0x57
 #define CONFIG_SYS_FACT_OFFSET		0x1F00
 #define CONFIG_SYS_FACT_SIZE		0x0100
 /* later: #define CONFIG_MISC_INIT_R */
 /* define the next only if you want to allow users to enter VPD data */
 #define CONFIG_SYS_FACT_ENTRY
 #ifndef __ASSEMBLY__
 extern void read_factory_r(void);
 #endif

 /*
  * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
  * data on the serial line may interrupt the boot sequence.
  */
 #define CONFIG_BOOTDELAY		1
 #define CONFIG_AUTOBOOT
 #define CONFIG_AUTOBOOT_KEYED
 #define CONFIG_AUTOBOOT_PROMPT \
 	"Press SPACE to abort autoboot in %d seconds\n", bootdelay
 #define CONFIG_AUTOBOOT_DELAY_STR	"d"
 #define CONFIG_AUTOBOOT_STOP_STR	" "

 /*
  * add filesystem commands if we have at least 1 storage
  * media with filesystem
  */
 #if defined(CONFIG_NAND_ATMEL) \
 	|| defined(CONFIG_USB_ATMEL) \
 	|| defined(CONFIG_MMC)
 # define CONFIG_DOS_PARTITION
 # define CONFIG_CMD_FAT
 # define CONFIG_CMD_EXT2
 /* later: #define CONFIG_CMD_JFFS2 */
 #endif

 /* add NET commands if we have at least 1 LAN */
 #if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
 # define CONFIG_CMD_PING
 # define CONFIG_CMD_DHCP
 # define CONFIG_CMD_MII
 /* is this really needed ? */
 # define CONFIG_RESET_PHY_R
 /* BOOTP options */
 # define CONFIG_BOOTP_BOOTFILESIZE
 # define CONFIG_BOOTP_BOOTPATH
 # define CONFIG_BOOTP_GATEWAY
 # define CONFIG_BOOTP_HOSTNAME
 #endif

 /* linux in NAND flash */
 #define CONFIG_BOOTCOUNT_LIMIT	1
 #define CONFIG_BOOTCOMMAND \
 	"nand read 0x21000000 0xA0000 0x200000; bootm"
 #define CONFIG_BOOTARGS \
 	"console=ttyS0,115200 " \
 	"root=/dev/mtdblock2 " \
 	"mtdparts=atmel_nand:" \
 		"640k(uboot)ro," \
 		"2M(linux)," \
 		"16M(root)," \
 		"-(rest) " \
 	"rw "\
 	"rootfstype=jffs2"

 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN \
 	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 #define CONFIG_STACKSIZE		(32*1024)
 #ifdef CONFIG_USE_IRQ
 #error CONFIG_USE_IRQ not supported
 #endif

 #endif
	/*
	* (C) Copyright 2010
	* Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
	*
	* Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
	*
	* 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
	*/
	/*
	* top9000 with at91sam9xe256 or at91sam9xe512
	*
	* Initial Bootloader is in embedded flash.
	* Vital Product Data, U-Boot Environment are in I2C-EEPROM.
	* U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
	* kernel and file system are either in NAND flash or on a micro SD card.
	* NAND flash is optional.
	* I2C EEPROM is never optional.
	* SPI FRAM is optional.
	* SPI ENC28J60 is optional.
	* 16 or 32 bit wide SDRAM.
	*/
	#ifndef __CONFIG_H
	#define __CONFIG_H

	/*
	* Warning: changing CONFIG_SYS_TEXT_BASE requires
	* adapting the initial boot program
	*/
	#define CONFIG_SYS_TEXT_BASE 0x21f00000 /* 31 MB into RAM */

	/* Command line configuration */
	#include <config_cmd_default.h>
	#undef CONFIG_CMD_FPGA
	#undef CONFIG_CMD_SETGETDCR
	#undef CONFIG_CMD_XIMG
	#define CONFIG_CMD_ASKENV
	#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_PROMPT "TOP9000> "
	#define CONFIG_SYS_LONGHELP
	#define CONFIG_CMDLINE_EDITING
	#define CONFIG_CMD_BDI
	#define CONFIG_CMD_CACHE

	/* ARM asynchronous clock */
	#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz xtal */
	#define CONFIG_SYS_HZ 1000

	/* SoC */
	#define CONFIG_ARM926EJS /* ARM926EJS Core */
	#define CONFIG_AT91FAMILY /* it's a member of AT91 */
	#define CONFIG_AT91SAM9260 /* Atmel AT91SAM9260 based SoC */
	#define CONFIG_AT91SAM9XE

	/* Misc CPU related */
	#define CONFIG_AT91_LEGACY
	#define CONFIG_ARCH_CPU_INIT
	#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
	#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_AT91RESET_EXTRST /* assert external reset */

	/* general purpose I/O */
	#define CONFIG_AT91_GPIO
	#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */

	/* serial console */
	#define CONFIG_ATMEL_USART
	#define CONFIG_USART3 /* USART 3 is DBGU !!! */
	#define CONFIG_BAUDRATE 115200
	#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }

	/* SD/MMC card */
	#define CONFIG_MMC
	#define CONFIG_GENERIC_MMC
	#define CONFIG_GENERIC_ATMEL_MCI
	#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
	#define CONFIG_CMD_MMC

	/* Ethernet */
	#define CONFIG_MACB
	#define CONFIG_SYS_PHY_ID 1
	#define CONFIG_RMII
	#define CONFIG_NET_MULTI
	#define CONFIG_NET_RETRY_COUNT 20

	/* real time clock */
	#define CONFIG_RTC_AT91SAM9_RTT
	#define CONFIG_CMD_DATE

	#if defined(CONFIG_AT91SAM9XE)
	/*
	* NOR flash - use embedded flash of SAM9XE256/512
	* U-Boot will not fit into 128K !
	* 2010.09 will not fit into 256K with all options enabled !
	*
	* Layout:
	* 16kB 1st Bootloader
	* Rest U-Boot
	* the first sector (16kB) of EFLASH cannot be unprotected
	* with u-boot commands
	*/
	# define CONFIG_AT91_EFLASH
	# define CONFIG_SYS_FLASH_BASE 0x200000
	# define CONFIG_SYS_MAX_FLASH_SECT 32
	# define CONFIG_SYS_MAX_FLASH_BANKS 1
	# define CONFIG_SYS_FLASH_PROTECTION
	# define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */
	#endif

	/* SPI */
	#define CONFIG_ATMEL_SPI
	#define CONFIG_CMD_SPI

	/* RAMTRON FRAM */
	#define CONFIG_CMD_SF
	#define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */
	#define FRAM_SPI_BUS 0
	#define FRAM_CS_NUM 0
	#define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */
	#define CONFIG_SPI_FRAM_RAMTRON
	#define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
	#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
	#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20"

	/* Microchip ENC28J60 (second LAN) */
	#if defined(CONFIG_EVAL9000)
	# define CONFIG_ENC28J60
	# define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */
	# define ENC_SPI_BUS 1
	# define ENC_CS_NUM 0
	# define ENC_SPI_CLOCK 1000000
	#endif /* CONFIG_EVAL9000 */

	/*
	* 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 0x20000000
	#define CONFIG_SYS_SDRAM_SIZE 0x08000000
	#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
	#define CONFIG_SYS_MEMTEST_END 0x21e00000
	#define CONFIG_SYS_LOAD_ADDR \
	(CONFIG_SYS_SDRAM_BASE + 0x01000000)
	/*
	* Initial stack pointer: 16k - 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 \
	(0x00300000 + 0x4000 - GENERATED_GBL_DATA_SIZE)

	/*
	* NAND flash: 256 MB (optional)
	*
	* Layout:
	* 640kB: u-boot (includes space for spare sectors, handled by
	* initial loader)
	* 2MB: kernel
	* rest: file system
	*/
	#define CONFIG_NAND_ATMEL
	#define CONFIG_SYS_MAX_NAND_DEVICE 1
	#define CONFIG_SYS_NAND_BASE 0x40000000
	#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
	#define CONFIG_CMD_NAND

	/* USB */
	#define CONFIG_USB_ATMEL
	#define CONFIG_USB_OHCI_NEW
	#define CONFIG_DOS_PARTITION
	#define CONFIG_SYS_USB_OHCI_CPU_INIT
	#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
	#define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000"
	#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
	#define CONFIG_USB_STORAGE
	#define CONFIG_CMD_USB

	/* I2C support must always be enabled */
	#define CONFIG_SOFT_I2C
	#define CONFIG_CMD_I2C
	#define CONFIG_SYS_I2C_SPEED 400000
	#define CONFIG_SYS_I2C_SLAVE 0x7F
	#define CONFIG_I2C_MULTI_BUS
	#define I2C0_PORT AT91_PIO_PORTA
	#define SDA0_PIN 23
	#define SCL0_PIN 24
	#define I2C1_PORT AT91_PIO_PORTB
	#define SDA1_PIN 12
	#define SCL1_PIN 13
	#define I2C_SOFT_DECLARATIONS void iic_init(void);\
	int iic_read(void);\
	void iic_sda(int);\
	void iic_scl(int);
	#define I2C_ACTIVE
	#define I2C_TRISTATE
	#define I2C_INIT iic_init()
	#define I2C_READ iic_read()
	#define I2C_SDA(bit) iic_sda(bit)
	#define I2C_SCL(bit) iic_scl(bit)
	#define I2C_DELAY udelay(3)
	/* EEPROM configuration */
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
	#define CONFIG_SYS_EEPROM_SIZE 0x2000
	#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
	/* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */
	/* ENV is always in I2C-EEPROM */
	#define CONFIG_ENV_IS_IN_EEPROM
	#define CONFIG_ENV_OFFSET 0x1000
	#define CONFIG_ENV_SIZE 0x0f00
	/* VPD settings */
	#define CONFIG_SYS_I2C_FACT_ADDR 0x57
	#define CONFIG_SYS_FACT_OFFSET 0x1F00
	#define CONFIG_SYS_FACT_SIZE 0x0100
	/* later: #define CONFIG_MISC_INIT_R */
	/* define the next only if you want to allow users to enter VPD data */
	#define CONFIG_SYS_FACT_ENTRY
	#ifndef __ASSEMBLY__
	extern void read_factory_r(void);
	#endif

	/*
	* Only interrupt autoboot if <space> is pressed. Otherwise, garbage
	* data on the serial line may interrupt the boot sequence.
	*/
	#define CONFIG_BOOTDELAY 1
	#define CONFIG_AUTOBOOT
	#define CONFIG_AUTOBOOT_KEYED
	#define CONFIG_AUTOBOOT_PROMPT \
	"Press SPACE to abort autoboot in %d seconds\n", bootdelay
	#define CONFIG_AUTOBOOT_DELAY_STR "d"
	#define CONFIG_AUTOBOOT_STOP_STR " "

	/*
	* add filesystem commands if we have at least 1 storage
	* media with filesystem
	*/
	#if defined(CONFIG_NAND_ATMEL) \
	\|\| defined(CONFIG_USB_ATMEL) \
	\|\| defined(CONFIG_MMC)
	# define CONFIG_DOS_PARTITION
	# define CONFIG_CMD_FAT
	# define CONFIG_CMD_EXT2
	/* later: #define CONFIG_CMD_JFFS2 */
	#endif

	/* add NET commands if we have at least 1 LAN */
	#if defined(CONFIG_MACB) \|\| defined(CONFIG_ENC28J60)
	# define CONFIG_CMD_PING
	# define CONFIG_CMD_DHCP
	# define CONFIG_CMD_MII
	/* is this really needed ? */
	# define CONFIG_RESET_PHY_R
	/* BOOTP options */
	# define CONFIG_BOOTP_BOOTFILESIZE
	# define CONFIG_BOOTP_BOOTPATH
	# define CONFIG_BOOTP_GATEWAY
	# define CONFIG_BOOTP_HOSTNAME
	#endif

	/* linux in NAND flash */
	#define CONFIG_BOOTCOUNT_LIMIT 1
	#define CONFIG_BOOTCOMMAND \
	"nand read 0x21000000 0xA0000 0x200000; bootm"
	#define CONFIG_BOOTARGS \
	"console=ttyS0,115200 " \
	"root=/dev/mtdblock2 " \
	"mtdparts=atmel_nand:" \
	"640k(uboot)ro," \
	"2M(linux)," \
	"16M(root)," \
	"-(rest) " \
	"rw "\
	"rootfstype=jffs2"

	/* Size of malloc() pool */
	#define CONFIG_SYS_MALLOC_LEN \
	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
	#define CONFIG_STACKSIZE (32*1024)
	#ifdef CONFIG_USE_IRQ
	#error CONFIG_USE_IRQ not supported
	#endif

	#endif