[people/ms/u-boot.git] / include / configs / top9000.h

/*
 * (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

/* SoC must be defined first, before hardware.h is included */
#define CONFIG_AT91SAM9XE
#include <asm/hardware.h>

/*
 * Warning: changing CONFIG_SYS_TEXT_BASE requires
 * adapting the initial boot program.
 */
#define CONFIG_SYS_TEXT_BASE		0x20000000	/* start of SDRAM */

/* 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_SLOW_CLOCK	32768		/* slow clock xtal */
#define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* main clock xtal */
#define CONFIG_SYS_HZ			1000

/* Misc CPU related */
#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_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

/* 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_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		ATMEL_BASE_FLASH
# 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		ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE		0x08000000
#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 0x01e00000)
#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 \
	(ATMEL_BASE_SRAM + 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		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
#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	ATMEL_UHP_BASE
#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
Commit	Line	Data
d55c5c3f RM	1	/*
	2	* (C) Copyright 2010
	3	* Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
	4	*
	5	* Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
	6	*
	7	* See file CREDITS for list of people who contributed to this
	8	* project.
	9	*
	10	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public License as
	12	* published by the Free Software Foundation; either version 2 of
	13	* the License, or (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	23	* MA 02111-1307 USA
	24	*/
	25	/*
	26	* top9000 with at91sam9xe256 or at91sam9xe512
	27	*
	28	* Initial Bootloader is in embedded flash.
	29	* Vital Product Data, U-Boot Environment are in I2C-EEPROM.
	30	* U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
	31	* kernel and file system are either in NAND flash or on a micro SD card.
	32	* NAND flash is optional.
	33	* I2C EEPROM is never optional.
	34	* SPI FRAM is optional.
	35	* SPI ENC28J60 is optional.
	36	* 16 or 32 bit wide SDRAM.
	37	*/
	38	#ifndef __CONFIG_H
	39	#define __CONFIG_H
	40
9b372b2c RM	41	/* SoC must be defined first, before hardware.h is included */
	42	#define CONFIG_AT91SAM9XE
	43	#include <asm/hardware.h>
	44
d55c5c3f RM	45	/*
d55c5c3f RM	46	* Warning: changing CONFIG_SYS_TEXT_BASE requires
f805548b	47	* adapting the initial boot program.
d55c5c3f	48	*/
f805548b	49	#define CONFIG_SYS_TEXT_BASE 0x20000000 /* start of SDRAM */
d55c5c3f RM	50
	51	/* Command line configuration */
	52	#include <config_cmd_default.h>
	53	#undef CONFIG_CMD_FPGA
	54	#undef CONFIG_CMD_SETGETDCR
	55	#undef CONFIG_CMD_XIMG
	56	#define CONFIG_CMD_ASKENV
	57	#define CONFIG_SYS_CBSIZE 256
	58	#define CONFIG_SYS_MAXARGS 16
	59	#define CONFIG_SYS_PBSIZE \
	60	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
	61	#define CONFIG_SYS_PROMPT "TOP9000> "
	62	#define CONFIG_SYS_LONGHELP
	63	#define CONFIG_CMDLINE_EDITING
	64	#define CONFIG_CMD_BDI
	65	#define CONFIG_CMD_CACHE
	66
	67	/* ARM asynchronous clock */
9b372b2c RM	68	#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
9b372b2c RM	69	#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
d55c5c3f RM	70	#define CONFIG_SYS_HZ 1000
d55c5c3f RM	71
d55c5c3f	72	/* Misc CPU related */
d55c5c3f RM	73	#define CONFIG_ARCH_CPU_INIT
	74	#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
	75	#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
	76	#define CONFIG_SETUP_MEMORY_TAGS
	77	#define CONFIG_INITRD_TAG
	78	#define CONFIG_SKIP_LOWLEVEL_INIT
	79	#define CONFIG_BOARD_EARLY_INIT_F
	80	#define CONFIG_DISPLAY_CPUINFO
	81	#define CONFIG_AT91RESET_EXTRST /* assert external reset */
	82
	83	/* general purpose I/O */
9b372b2c	84	#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
d55c5c3f RM	85	#define CONFIG_AT91_GPIO
	86	#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
	87
	88	/* serial console */
	89	#define CONFIG_ATMEL_USART
9b372b2c RM	90	#define CONFIG_USART_BASE ATMEL_BASE_DBGU
9b372b2c RM	91	#define CONFIG_USART_ID ATMEL_ID_SYS
d55c5c3f	92	#define CONFIG_BAUDRATE 115200
d55c5c3f RM	93
	94	/* SD/MMC card */
	95	#define CONFIG_MMC
	96	#define CONFIG_GENERIC_MMC
	97	#define CONFIG_GENERIC_ATMEL_MCI
	98	#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
	99	#define CONFIG_CMD_MMC
	100
	101	/* Ethernet */
	102	#define CONFIG_MACB
	103	#define CONFIG_SYS_PHY_ID 1
	104	#define CONFIG_RMII
d55c5c3f RM	105	#define CONFIG_NET_RETRY_COUNT 20
	106
	107	/* real time clock */
	108	#define CONFIG_RTC_AT91SAM9_RTT
	109	#define CONFIG_CMD_DATE
	110
	111	#if defined(CONFIG_AT91SAM9XE)
	112	/*
	113	* NOR flash - use embedded flash of SAM9XE256/512
	114	* U-Boot will not fit into 128K !
	115	* 2010.09 will not fit into 256K with all options enabled !
	116	*
	117	* Layout:
	118	* 16kB 1st Bootloader
	119	* Rest U-Boot
	120	* the first sector (16kB) of EFLASH cannot be unprotected
	121	* with u-boot commands
	122	*/
	123	# define CONFIG_AT91_EFLASH
9b372b2c	124	# define CONFIG_SYS_FLASH_BASE ATMEL_BASE_FLASH
d55c5c3f RM	125	# define CONFIG_SYS_MAX_FLASH_SECT 32
	126	# define CONFIG_SYS_MAX_FLASH_BANKS 1
	127	# define CONFIG_SYS_FLASH_PROTECTION
	128	# define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */
	129	#endif
	130
	131	/* SPI */
	132	#define CONFIG_ATMEL_SPI
	133	#define CONFIG_CMD_SPI
	134
	135	/* RAMTRON FRAM */
	136	#define CONFIG_CMD_SF
	137	#define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */
	138	#define FRAM_SPI_BUS 0
	139	#define FRAM_CS_NUM 0
	140	#define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */
	141	#define CONFIG_SPI_FRAM_RAMTRON
	142	#define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
	143	#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
	144	#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20"
	145
	146	/* Microchip ENC28J60 (second LAN) */
	147	#if defined(CONFIG_EVAL9000)
	148	# define CONFIG_ENC28J60
	149	# define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */
	150	# define ENC_SPI_BUS 1
	151	# define ENC_CS_NUM 0
	152	# define ENC_SPI_CLOCK 1000000
	153	#endif /* CONFIG_EVAL9000 */
	154
	155	/*
	156	* SDRAM: 1 bank, min 32, max 128 MB
	157	* Initialized before u-boot gets started.
	158	*/
	159	#define CONFIG_NR_DRAM_BANKS 1
9b372b2c	160	#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
d55c5c3f RM	161	#define CONFIG_SYS_SDRAM_SIZE 0x08000000
d55c5c3f RM	162	#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
9b372b2c	163	#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01e00000)
d55c5c3f RM	164	#define CONFIG_SYS_LOAD_ADDR \
	165	(CONFIG_SYS_SDRAM_BASE + 0x01000000)
	166	/*
	167	* Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
	168	* leaving the correct space for initial global data structure above
	169	* that address while providing maximum stack area below.
	170	*/
	171	#define CONFIG_SYS_INIT_SP_ADDR \
9b372b2c	172	(ATMEL_BASE_SRAM + 0x4000 - GENERATED_GBL_DATA_SIZE)
d55c5c3f RM	173
	174	/*
	175	* NAND flash: 256 MB (optional)
	176	*
	177	* Layout:
	178	* 640kB: u-boot (includes space for spare sectors, handled by
	179	* initial loader)
	180	* 2MB: kernel
	181	* rest: file system
	182	*/
	183	#define CONFIG_NAND_ATMEL
	184	#define CONFIG_SYS_MAX_NAND_DEVICE 1
9b372b2c	185	#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
d55c5c3f RM	186	#define CONFIG_SYS_NAND_DBW_8
	187	#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
	188	#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
	189	#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
	190	#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
	191	#define CONFIG_CMD_NAND
	192
	193	/* USB */
	194	#define CONFIG_USB_ATMEL
	195	#define CONFIG_USB_OHCI_NEW
	196	#define CONFIG_DOS_PARTITION
	197	#define CONFIG_SYS_USB_OHCI_CPU_INIT
9b372b2c	198	#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
d55c5c3f RM	199	#define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000"
	200	#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
	201	#define CONFIG_USB_STORAGE
	202	#define CONFIG_CMD_USB
	203
	204	/* I2C support must always be enabled */
	205	#define CONFIG_SOFT_I2C
	206	#define CONFIG_CMD_I2C
	207	#define CONFIG_SYS_I2C_SPEED 400000
	208	#define CONFIG_SYS_I2C_SLAVE 0x7F
	209	#define CONFIG_I2C_MULTI_BUS
	210	#define I2C0_PORT AT91_PIO_PORTA
	211	#define SDA0_PIN 23
	212	#define SCL0_PIN 24
	213	#define I2C1_PORT AT91_PIO_PORTB
	214	#define SDA1_PIN 12
	215	#define SCL1_PIN 13
	216	#define I2C_SOFT_DECLARATIONS void iic_init(void);\
	217	int iic_read(void);\
	218	void iic_sda(int);\
	219	void iic_scl(int);
	220	#define I2C_ACTIVE
	221	#define I2C_TRISTATE
	222	#define I2C_INIT iic_init()
	223	#define I2C_READ iic_read()
	224	#define I2C_SDA(bit) iic_sda(bit)
	225	#define I2C_SCL(bit) iic_scl(bit)
	226	#define I2C_DELAY udelay(3)
	227	/* EEPROM configuration */
	228	#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
	229	#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
	230	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
	231	#define CONFIG_SYS_EEPROM_SIZE 0x2000
	232	#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
	233	/* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */
	234	/* ENV is always in I2C-EEPROM */
	235	#define CONFIG_ENV_IS_IN_EEPROM
	236	#define CONFIG_ENV_OFFSET 0x1000
	237	#define CONFIG_ENV_SIZE 0x0f00
	238	/* VPD settings */
	239	#define CONFIG_SYS_I2C_FACT_ADDR 0x57
	240	#define CONFIG_SYS_FACT_OFFSET 0x1F00
	241	#define CONFIG_SYS_FACT_SIZE 0x0100
	242	/* later: #define CONFIG_MISC_INIT_R */
	243	/* define the next only if you want to allow users to enter VPD data */
	244	#define CONFIG_SYS_FACT_ENTRY
	245	#ifndef __ASSEMBLY__
	246	extern void read_factory_r(void);
	247	#endif
	248
	249	/*
	250	* Only interrupt autoboot if <space> is pressed. Otherwise, garbage
	251	* data on the serial line may interrupt the boot sequence.
	252	*/
	253	#define CONFIG_BOOTDELAY 1
	254	#define CONFIG_AUTOBOOT
	255	#define CONFIG_AUTOBOOT_KEYED
	256	#define CONFIG_AUTOBOOT_PROMPT \
	257	"Press SPACE to abort autoboot in %d seconds\n", bootdelay
	258	#define CONFIG_AUTOBOOT_DELAY_STR "d"
	259	#define CONFIG_AUTOBOOT_STOP_STR " "
	260
	261	/*
	262	* add filesystem commands if we have at least 1 storage
263	* media with filesystem
264	*/
265	#if defined(CONFIG_NAND_ATMEL) \
266	\|\| defined(CONFIG_USB_ATMEL) \
267	\|\| defined(CONFIG_MMC)
268	# define CONFIG_DOS_PARTITION
269	# define CONFIG_CMD_FAT
270	# define CONFIG_CMD_EXT2
271	/* later: #define CONFIG_CMD_JFFS2 */
272	#endif
273
274	/* add NET commands if we have at least 1 LAN */
275	#if defined(CONFIG_MACB) \|\| defined(CONFIG_ENC28J60)
276	# define CONFIG_CMD_PING
277	# define CONFIG_CMD_DHCP
278	# define CONFIG_CMD_MII
279	/* is this really needed ? */
280	# define CONFIG_RESET_PHY_R
281	/* BOOTP options */
282	# define CONFIG_BOOTP_BOOTFILESIZE
283	# define CONFIG_BOOTP_BOOTPATH
284	# define CONFIG_BOOTP_GATEWAY
285	# define CONFIG_BOOTP_HOSTNAME
286	#endif
287
288	/* linux in NAND flash */
289	#define CONFIG_BOOTCOUNT_LIMIT 1
290	#define CONFIG_BOOTCOMMAND \
291	"nand read 0x21000000 0xA0000 0x200000; bootm"
292	#define CONFIG_BOOTARGS \
293	"console=ttyS0,115200 " \
294	"root=/dev/mtdblock2 " \
295	"mtdparts=atmel_nand:" \
296	"640k(uboot)ro," \
297	"2M(linux)," \
298	"16M(root)," \
299	"-(rest) " \
300	"rw "\
301	"rootfstype=jffs2"
302
303	/* Size of malloc() pool */
304	#define CONFIG_SYS_MALLOC_LEN \
305	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
306	#define CONFIG_STACKSIZE (32*1024)
307	#ifdef CONFIG_USE_IRQ
308	#error CONFIG_USE_IRQ not supported
309	#endif
310
311	#endif