include/configs/km/km_arm.h - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2009
  * Marvell Semiconductor <www.marvell.com>
  * Prafulla Wadaskar <prafulla@marvell.com>
  *
  * (C) Copyright 2009
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * (C) Copyright 2010-2011
  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 /*
  * for linking errors see
  * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
  */

 #ifndef _CONFIG_KM_ARM_H
 #define _CONFIG_KM_ARM_H

 /* We got removed from Linux mach-types.h */
 #define MACH_TYPE_KM_KIRKWOOD          2255

 /*
  * High Level Configuration Options (easy to change)
  */
 #define CONFIG_MARVELL
 #define CONFIG_FEROCEON_88FR131		/* CPU Core subversion */
 #define CONFIG_KIRKWOOD			/* SOC Family Name */
 #define CONFIG_KW88F6281		/* SOC Name */
 #define CONFIG_MACH_KM_KIRKWOOD		/* Machine type */

 #define CONFIG_MACH_TYPE	MACH_TYPE_KM_KIRKWOOD

 #define CONFIG_NAND_ECC_BCH
 #define CONFIG_BCH

 /* include common defines/options for all Keymile boards */
 #include "keymile-common.h"

 #define CONFIG_CMD_NAND
 #define CONFIG_CMD_SF

 /* SPI NOR Flash default params, used by sf commands */
 #define CONFIG_SF_DEFAULT_SPEED		8100000
 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3

 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
 #define CONFIG_ENV_SPI_BUS		0
 #define CONFIG_ENV_SPI_CS		0
 #define CONFIG_ENV_SPI_MAX_HZ		8100000
 #define CONFIG_ENV_SPI_MODE		SPI_MODE_3
 #endif

 /* Reserve 4 MB for malloc */
 #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)

 #include "asm/arch/config.h"

 #define CONFIG_SYS_TEXT_BASE	0x07d00000	/* code address before reloc */
 #define CONFIG_SYS_MEMTEST_START 0x00400000	/* 4M */
 #define CONFIG_SYS_MEMTEST_END	0x007fffff	/*(_8M -1) */
 #define CONFIG_SYS_LOAD_ADDR	0x00800000	/* default load adr- 8M */

 /* pseudo-non volatile RAM [hex] */
 #define CONFIG_KM_PNVRAM	0x80000
 /* physical RAM MTD size [hex] */
 #define CONFIG_KM_PHRAM		0x17F000

 #define CONFIG_KM_CRAMFS_ADDR	0x2400000
 #define CONFIG_KM_KERNEL_ADDR	0x2000000	/* 4096KBytes */

 /* architecture specific default bootargs */
 #define CONFIG_KM_DEF_BOOT_ARGS_CPU					\
 		"bootcountaddr=${bootcountaddr} ${mtdparts}"		\
 		" boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"

 #define CONFIG_KM_DEF_ENV_CPU						\
 	"boot=bootm ${load_addr_r} - -\0"				\
 	"cramfsloadfdt=true\0"						\
 	"u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.kwb\0"		\
 	CONFIG_KM_UPDATE_UBOOT						\
 	""

 #define CONFIG_SKIP_LOWLEVEL_INIT	/* disable board lowlevel_init */
 #define CONFIG_MISC_INIT_R

 /*
  * NS16550 Configuration
  */
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
 #define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_TCLK
 #define CONFIG_SYS_NS16550_COM1		KW_UART0_BASE
 #define CONFIG_SYS_NS16550_COM2		KW_UART1_BASE

 /*
  * Serial Port configuration
  * The following definitions let you select what serial you want to use
  * for your console driver.
  */

 #define CONFIG_CONS_INDEX	1	/* Console on UART0 */

 /*
  * For booting Linux, the board info and command line data
  * have to be in the first 8 MB of memory, since this is
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_BOOTMAPSZ	(8 << 20)	/* Initial Memmap for Linux */
 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
 #define CONFIG_INITRD_TAG		/* enable INITRD tag */
 #define CONFIG_SETUP_MEMORY_TAGS	/* enable memory tag */

 /*
  * Commands configuration
  */
 #define CONFIG_CMD_ELF
 #define CONFIG_CMD_MTDPARTS
 #define CONFIG_CMD_NFS

 /*
  * Without NOR FLASH we need this
  */
 #define CONFIG_SYS_NO_FLASH
 #undef CONFIG_CMD_FLASH
 #undef CONFIG_CMD_IMLS

 /*
  * NAND Flash configuration
  */
 #define CONFIG_SYS_MAX_NAND_DEVICE	1

 #define BOOTFLASH_START		0x0

 /* Kirkwood has two serial IF */
 #if (CONFIG_CONS_INDEX == 2)
 #define CONFIG_KM_CONSOLE_TTY	"ttyS1"
 #else
 #define CONFIG_KM_CONSOLE_TTY	"ttyS0"
 #endif

 /*
  * Other required minimal configurations
  */
 #define CONFIG_CONSOLE_INFO_QUIET	/* some code reduction */
 #define CONFIG_ARCH_CPU_INIT		/* call arch_cpu_init() */
 #define CONFIG_ARCH_MISC_INIT		/* call arch_misc_init() */
 #define CONFIG_DISPLAY_CPUINFO		/* Display cpu info */
 #define CONFIG_NR_DRAM_BANKS	4
 #define CONFIG_SYS_RESET_ADDRESS 0xffff0000	/* Rst Vector Adr */

 /*
  * Ethernet Driver configuration
  */
 #define CONFIG_NETCONSOLE	/* include NetConsole support   */
 #define CONFIG_MII		/* expose smi ove miiphy interface */
 #define CONFIG_CMD_MII		/* to debug mdio phy config */
 #define CONFIG_MVGBE		/* Enable Marvell Gbe Controller Driver */
 #define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	/* detect link using phy */
 #define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */
 #define CONFIG_PHY_BASE_ADR	0
 #define CONFIG_ENV_OVERWRITE	/* ethaddr can be reprogrammed */
 #define CONFIG_KM_COMMON_ETH_INIT /* standard km ethernet_present for piggy */

 /*
  * UBI related stuff
  */
 #define CONFIG_SYS_USE_UBI

 /*
  * I2C related stuff
  */
 #undef CONFIG_I2C_MVTWSI
 #define CONFIG_SYS_I2C
 #define	CONFIG_SYS_I2C_SOFT	/* I2C bit-banged	*/
 #define CONFIG_SYS_I2C_INIT_BOARD

 #define	CONFIG_KIRKWOOD_GPIO		/* Enable GPIO Support */
 #define CONFIG_SYS_NUM_I2C_BUSES	6
 #define CONFIG_SYS_I2C_MAX_HOPS		1
 #define CONFIG_SYS_I2C_BUSES	{	{0, {I2C_NULL_HOP} }, \
 					{0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
 					{0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
 					{0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
 					{0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
 					{0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
 				}

 #ifndef __ASSEMBLY__
 #include <asm/arch-kirkwood/gpio.h>
 extern void __set_direction(unsigned pin, int high);
 void set_sda(int state);
 void set_scl(int state);
 int get_sda(void);
 int get_scl(void);
 #define KM_KIRKWOOD_SDA_PIN	8
 #define KM_KIRKWOOD_SCL_PIN	9
 #define KM_KIRKWOOD_SOFT_I2C_GPIOS	0x0300
 #define KM_KIRKWOOD_ENV_WP	38

 #define I2C_ACTIVE	__set_direction(KM_KIRKWOOD_SDA_PIN, 0)
 #define I2C_TRISTATE	__set_direction(KM_KIRKWOOD_SDA_PIN, 1)
 #define I2C_READ	(kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
 #define I2C_SDA(bit)	kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
 #define I2C_SCL(bit)	kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
 #endif

 #define I2C_DELAY	udelay(1)
 #define I2C_SOFT_DECLARATIONS

 #define	CONFIG_SYS_I2C_SOFT_SLAVE	0x0
 #define	CONFIG_SYS_I2C_SOFT_SPEED	100000

 /* EEprom support 24C128, 24C256 valid for environment eeprom */
 #define CONFIG_SYS_I2C_MULTI_EEPROMS
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6 /* 64 Byte write page */
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10

 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2

 /*
  *  Environment variables configurations
  */
 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
 #define CONFIG_ENV_IS_IN_SPI_FLASH  /* use SPI-Flash for environment vars */
 #define CONFIG_ENV_OFFSET		0xc0000     /* no bracets! */
 #define CONFIG_ENV_SIZE			0x02000     /* Size of Environment */
 #define CONFIG_ENV_SECT_SIZE		0x10000
 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
 					CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_TOTAL_SIZE		0x20000     /* no bracets! */
 #else
 #define CONFIG_ENV_IS_IN_EEPROM		/* use EEPROM for environment vars */
 #define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
 #define CONFIG_ENV_EEPROM_IS_ON_I2C
 #define CONFIG_SYS_EEPROM_WREN
 #define CONFIG_ENV_OFFSET		0x0 /* no bracets! */
 #define CONFIG_ENV_SIZE			(0x2000 - CONFIG_ENV_OFFSET)
 #define CONFIG_I2C_ENV_EEPROM_BUS	KM_ENV_BUS
 #define CONFIG_ENV_OFFSET_REDUND	0x2000 /* no bracets! */
 #define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
 #endif

 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT

 #define CONFIG_SPI_FLASH
 #define CONFIG_SPI_FLASH_STMICRO

 /* SPI bus claim MPP configuration */
 #define CONFIG_SYS_KW_SPI_MPP	0x0

 #define FLASH_GPIO_PIN			0x00010000
 #define KM_FLASH_GPIO_PIN	16

 #ifndef MTDIDS_DEFAULT
 # define MTDIDS_DEFAULT		"nand0=orion_nand"
 #endif /* MTDIDS_DEFAULT */

 #ifndef MTDPARTS_DEFAULT
 # define MTDPARTS_DEFAULT	"mtdparts="			\
 	"orion_nand:"						\
 		"-(" CONFIG_KM_UBI_PARTITION_NAME_BOOT ");"
 #endif /* MTDPARTS_DEFAULT */

 #define	CONFIG_KM_UPDATE_UBOOT						\
 	"update="							\
 		"sf probe 0;sf erase 0 +${filesize};"			\
 		"sf write ${load_addr_r} 0 ${filesize};\0"

 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
 #define CONFIG_KM_NEW_ENV						\
 	"newenv=sf probe 0;"						\
 		"sf erase " __stringify(CONFIG_ENV_OFFSET) " "		\
 		__stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
 #else
 #define CONFIG_KM_NEW_ENV						\
 	"newenv=setenv addr 0x100000 && "				\
 		"i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; "  \
 		"mw.b ${addr} 0 4 && "					\
 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
 		" ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && "	\
 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
 		" ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
 #endif

 /*
  * Default environment variables
  */
 #define CONFIG_EXTRA_ENV_SETTINGS					\
 	CONFIG_KM_DEF_ENV						\
 	CONFIG_KM_NEW_ENV						\
 	"arch=arm\0"							\
 	""

 #if defined(CONFIG_SYS_NO_FLASH)
 #undef	CONFIG_FLASH_CFI_MTD
 #undef	CONFIG_JFFS2_CMDLINE
 #endif

 /* additions for new relocation code, must be added to all boards */
 #define CONFIG_SYS_SDRAM_BASE		0x00000000
 /* Do early setups now in board_init_f() */
 #define CONFIG_BOARD_EARLY_INIT_F

 /*
  * resereved pram area at the end of memroy [hex]
  * 8Mbytes for switch + 4Kbytes for bootcount
  */
 #define CONFIG_KM_RESERVED_PRAM 0x801000
 /* address for the bootcount (taken from end of RAM) */
 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
 /* Use generic bootcount RAM driver */
 #define CONFIG_BOOTCOUNT_RAM

 /* enable POST tests */
 #define CONFIG_POST	(CONFIG_SYS_POST_MEM_REGIONS)
 #define CONFIG_POST_SKIP_ENV_FLAGS
 #define CONFIG_POST_EXTERNAL_WORD_FUNCS
 #define CONFIG_CMD_DIAG

 /* we do the whole PCIe FPGA config stuff here */
 #define	CONFIG_BOARD_LATE_INIT

 #endif /* _CONFIG_KM_ARM_H */
	/*
	* (C) Copyright 2009
	* Marvell Semiconductor <www.marvell.com>
	* Prafulla Wadaskar <prafulla@marvell.com>
	*
	* (C) Copyright 2009
	* Stefan Roese, DENX Software Engineering, sr@denx.de.
	*
	* (C) Copyright 2010-2011
	* Heiko Schocher, DENX Software Engineering, hs@denx.de.
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	/*
	* for linking errors see
	* http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
	*/

	#ifndef _CONFIG_KM_ARM_H
	#define _CONFIG_KM_ARM_H

	/* We got removed from Linux mach-types.h */
	#define MACH_TYPE_KM_KIRKWOOD 2255

	/*
	* High Level Configuration Options (easy to change)
	*/
	#define CONFIG_MARVELL
	#define CONFIG_FEROCEON_88FR131 /* CPU Core subversion */
	#define CONFIG_KIRKWOOD /* SOC Family Name */
	#define CONFIG_KW88F6281 /* SOC Name */
	#define CONFIG_MACH_KM_KIRKWOOD /* Machine type */

	#define CONFIG_MACH_TYPE MACH_TYPE_KM_KIRKWOOD

	#define CONFIG_NAND_ECC_BCH
	#define CONFIG_BCH

	/* include common defines/options for all Keymile boards */
	#include "keymile-common.h"

	#define CONFIG_CMD_NAND
	#define CONFIG_CMD_SF

	/* SPI NOR Flash default params, used by sf commands */
	#define CONFIG_SF_DEFAULT_SPEED 8100000
	#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3

	#if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
	#define CONFIG_ENV_SPI_BUS 0
	#define CONFIG_ENV_SPI_CS 0
	#define CONFIG_ENV_SPI_MAX_HZ 8100000
	#define CONFIG_ENV_SPI_MODE SPI_MODE_3
	#endif

	/* Reserve 4 MB for malloc */
	#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)

	#include "asm/arch/config.h"

	#define CONFIG_SYS_TEXT_BASE 0x07d00000 /* code address before reloc */
	#define CONFIG_SYS_MEMTEST_START 0x00400000 /* 4M */
	#define CONFIG_SYS_MEMTEST_END 0x007fffff /(_8M -1) /
	#define CONFIG_SYS_LOAD_ADDR 0x00800000 /* default load adr- 8M */

	/* pseudo-non volatile RAM [hex] */
	#define CONFIG_KM_PNVRAM 0x80000
	/* physical RAM MTD size [hex] */
	#define CONFIG_KM_PHRAM 0x17F000

	#define CONFIG_KM_CRAMFS_ADDR 0x2400000
	#define CONFIG_KM_KERNEL_ADDR 0x2000000 /* 4096KBytes */

	/* architecture specific default bootargs */
	#define CONFIG_KM_DEF_BOOT_ARGS_CPU \
	"bootcountaddr=${bootcountaddr} ${mtdparts}" \
	" boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"

	#define CONFIG_KM_DEF_ENV_CPU \
	"boot=bootm ${load_addr_r} - -\0" \
	"cramfsloadfdt=true\0" \
	"u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.kwb\0" \
	CONFIG_KM_UPDATE_UBOOT \
	""

	#define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */
	#define CONFIG_MISC_INIT_R

	/*
	* NS16550 Configuration
	*/
	#define CONFIG_SYS_NS16550
	#define CONFIG_SYS_NS16550_SERIAL
	#define CONFIG_SYS_NS16550_REG_SIZE (-4)
	#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_TCLK
	#define CONFIG_SYS_NS16550_COM1 KW_UART0_BASE
	#define CONFIG_SYS_NS16550_COM2 KW_UART1_BASE

	/*
	* Serial Port configuration
	* The following definitions let you select what serial you want to use
	* for your console driver.
	*/

	#define CONFIG_CONS_INDEX 1 /* Console on UART0 */

	/*
	* For booting Linux, the board info and command line data
	* have to be in the first 8 MB of memory, since this is
	* the maximum mapped by the Linux kernel during initialization.
	*/
	#define CONFIG_BOOTMAPSZ (8 << 20) /* Initial Memmap for Linux */
	#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
	#define CONFIG_INITRD_TAG /* enable INITRD tag */
	#define CONFIG_SETUP_MEMORY_TAGS /* enable memory tag */

	/*
	* Commands configuration
	*/
	#define CONFIG_CMD_ELF
	#define CONFIG_CMD_MTDPARTS
	#define CONFIG_CMD_NFS

	/*
	* Without NOR FLASH we need this
	*/
	#define CONFIG_SYS_NO_FLASH
	#undef CONFIG_CMD_FLASH
	#undef CONFIG_CMD_IMLS

	/*
	* NAND Flash configuration
	*/
	#define CONFIG_SYS_MAX_NAND_DEVICE 1

	#define BOOTFLASH_START 0x0

	/* Kirkwood has two serial IF */
	#if (CONFIG_CONS_INDEX == 2)
	#define CONFIG_KM_CONSOLE_TTY "ttyS1"
	#else
	#define CONFIG_KM_CONSOLE_TTY "ttyS0"
	#endif

	/*
	* Other required minimal configurations
	*/
	#define CONFIG_CONSOLE_INFO_QUIET /* some code reduction */
	#define CONFIG_ARCH_CPU_INIT /* call arch_cpu_init() */
	#define CONFIG_ARCH_MISC_INIT /* call arch_misc_init() */
	#define CONFIG_DISPLAY_CPUINFO /* Display cpu info */
	#define CONFIG_NR_DRAM_BANKS 4
	#define CONFIG_SYS_RESET_ADDRESS 0xffff0000 /* Rst Vector Adr */

	/*
	* Ethernet Driver configuration
	*/
	#define CONFIG_NETCONSOLE /* include NetConsole support */
	#define CONFIG_MII /* expose smi ove miiphy interface */
	#define CONFIG_CMD_MII /* to debug mdio phy config */
	#define CONFIG_MVGBE /* Enable Marvell Gbe Controller Driver */
	#define CONFIG_SYS_FAULT_ECHO_LINK_DOWN /* detect link using phy */
	#define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */
	#define CONFIG_PHY_BASE_ADR 0
	#define CONFIG_ENV_OVERWRITE /* ethaddr can be reprogrammed */
	#define CONFIG_KM_COMMON_ETH_INIT /* standard km ethernet_present for piggy */

	/*
	* UBI related stuff
	*/
	#define CONFIG_SYS_USE_UBI

	/*
	* I2C related stuff
	*/
	#undef CONFIG_I2C_MVTWSI
	#define CONFIG_SYS_I2C
	#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
	#define CONFIG_SYS_I2C_INIT_BOARD

	#define CONFIG_KIRKWOOD_GPIO /* Enable GPIO Support */
	#define CONFIG_SYS_NUM_I2C_BUSES 6
	#define CONFIG_SYS_I2C_MAX_HOPS 1
	#define CONFIG_SYS_I2C_BUSES { {0, {I2C_NULL_HOP} }, \
	{0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
	{0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
	{0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
	{0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
	{0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
	}

	#ifndef __ASSEMBLY__
	#include <asm/arch-kirkwood/gpio.h>
	extern void __set_direction(unsigned pin, int high);
	void set_sda(int state);
	void set_scl(int state);
	int get_sda(void);
	int get_scl(void);
	#define KM_KIRKWOOD_SDA_PIN 8
	#define KM_KIRKWOOD_SCL_PIN 9
	#define KM_KIRKWOOD_SOFT_I2C_GPIOS 0x0300
	#define KM_KIRKWOOD_ENV_WP 38

	#define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0)
	#define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1)
	#define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
	#define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
	#define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
	#endif

	#define I2C_DELAY udelay(1)
	#define I2C_SOFT_DECLARATIONS

	#define CONFIG_SYS_I2C_SOFT_SLAVE 0x0
	#define CONFIG_SYS_I2C_SOFT_SPEED 100000

	/* EEprom support 24C128, 24C256 valid for environment eeprom */
	#define CONFIG_SYS_I2C_MULTI_EEPROMS
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 Byte write page */
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10

	#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2

	/*
	* Environment variables configurations
	*/
	#if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
	#define CONFIG_ENV_IS_IN_SPI_FLASH /* use SPI-Flash for environment vars */
	#define CONFIG_ENV_OFFSET 0xc0000 /* no bracets! */
	#define CONFIG_ENV_SIZE 0x02000 /* Size of Environment */
	#define CONFIG_ENV_SECT_SIZE 0x10000
	#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + \
	CONFIG_ENV_SECT_SIZE)
	#define CONFIG_ENV_TOTAL_SIZE 0x20000 /* no bracets! */
	#else
	#define CONFIG_ENV_IS_IN_EEPROM /* use EEPROM for environment vars */
	#define CONFIG_SYS_DEF_EEPROM_ADDR 0x50
	#define CONFIG_ENV_EEPROM_IS_ON_I2C
	#define CONFIG_SYS_EEPROM_WREN
	#define CONFIG_ENV_OFFSET 0x0 /* no bracets! */
	#define CONFIG_ENV_SIZE (0x2000 - CONFIG_ENV_OFFSET)
	#define CONFIG_I2C_ENV_EEPROM_BUS KM_ENV_BUS
	#define CONFIG_ENV_OFFSET_REDUND 0x2000 /* no bracets! */
	#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
	#endif

	#define CONFIG_SYS_REDUNDAND_ENVIRONMENT

	#define CONFIG_SPI_FLASH
	#define CONFIG_SPI_FLASH_STMICRO

	/* SPI bus claim MPP configuration */
	#define CONFIG_SYS_KW_SPI_MPP 0x0

	#define FLASH_GPIO_PIN 0x00010000
	#define KM_FLASH_GPIO_PIN 16

	#ifndef MTDIDS_DEFAULT
	# define MTDIDS_DEFAULT "nand0=orion_nand"
	#endif /* MTDIDS_DEFAULT */

	#ifndef MTDPARTS_DEFAULT
	# define MTDPARTS_DEFAULT "mtdparts=" \
	"orion_nand:" \
	"-(" CONFIG_KM_UBI_PARTITION_NAME_BOOT ");"
	#endif /* MTDPARTS_DEFAULT */

	#define CONFIG_KM_UPDATE_UBOOT \
	"update=" \
	"sf probe 0;sf erase 0 +${filesize};" \
	"sf write ${load_addr_r} 0 ${filesize};\0"

	#if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
	#define CONFIG_KM_NEW_ENV \
	"newenv=sf probe 0;" \
	"sf erase " __stringify(CONFIG_ENV_OFFSET) " " \
	__stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
	#else
	#define CONFIG_KM_NEW_ENV \
	"newenv=setenv addr 0x100000 && " \
	"i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; " \
	"mw.b ${addr} 0 4 && " \
	"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
	" ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && " \
	"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
	" ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
	#endif

	/*
	* Default environment variables
	*/
	#define CONFIG_EXTRA_ENV_SETTINGS \
	CONFIG_KM_DEF_ENV \
	CONFIG_KM_NEW_ENV \
	"arch=arm\0" \
	""

	#if defined(CONFIG_SYS_NO_FLASH)
	#undef CONFIG_FLASH_CFI_MTD
	#undef CONFIG_JFFS2_CMDLINE
	#endif

	/* additions for new relocation code, must be added to all boards */
	#define CONFIG_SYS_SDRAM_BASE 0x00000000
	/* Do early setups now in board_init_f() */
	#define CONFIG_BOARD_EARLY_INIT_F

	/*
	* resereved pram area at the end of memroy [hex]
	* 8Mbytes for switch + 4Kbytes for bootcount
	*/
	#define CONFIG_KM_RESERVED_PRAM 0x801000
	/* address for the bootcount (taken from end of RAM) */
	#define BOOTCOUNT_ADDR (CONFIG_KM_RESERVED_PRAM)
	/* Use generic bootcount RAM driver */
	#define CONFIG_BOOTCOUNT_RAM

	/* enable POST tests */
	#define CONFIG_POST (CONFIG_SYS_POST_MEM_REGIONS)
	#define CONFIG_POST_SKIP_ENV_FLAGS
	#define CONFIG_POST_EXTERNAL_WORD_FUNCS
	#define CONFIG_CMD_DIAG

	/* we do the whole PCIe FPGA config stuff here */
	#define CONFIG_BOARD_LATE_INIT

	#endif /* _CONFIG_KM_ARM_H */