include/configs/m28evk.h - platform/external/u-boot - Gitiles

 /*
  * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
  * on behalf of DENX Software Engineering GmbH
  *
  * 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 __M28EVK_CONFIG_H__
 #define __M28EVK_CONFIG_H__

 /*
  * SoC configurations
  */
 #define	CONFIG_MX28				/* i.MX28 SoC */
 #define	CONFIG_MXS_GPIO				/* GPIO control */
 #define	CONFIG_SYS_HZ		1000		/* Ticks per second */

 /*
  * Define M28EVK machine type by hand until it lands in mach-types
  */
 #define	MACH_TYPE_M28EVK	3613

 #define	CONFIG_MACH_TYPE	MACH_TYPE_M28EVK

 #include <asm/arch/regs-base.h>

 #define	CONFIG_SYS_NO_FLASH
 #define	CONFIG_BOARD_EARLY_INIT_F
 #define	CONFIG_ARCH_MISC_INIT

 /*
  * SPL
  */
 #define	CONFIG_SPL
 #define	CONFIG_SPL_NO_CPU_SUPPORT_CODE
 #define	CONFIG_SPL_START_S_PATH		"arch/arm/cpu/arm926ejs/mxs"
 #define	CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
 #define	CONFIG_SPL_LIBCOMMON_SUPPORT
 #define	CONFIG_SPL_LIBGENERIC_SUPPORT
 #define	CONFIG_SPL_GPIO_SUPPORT

 /*
  * U-Boot Commands
  */
 #include <config_cmd_default.h>
 #define	CONFIG_DISPLAY_CPUINFO
 #define	CONFIG_DOS_PARTITION

 #define	CONFIG_CMD_CACHE
 #define	CONFIG_CMD_DATE
 #define	CONFIG_CMD_DHCP
 #define	CONFIG_CMD_EEPROM
 #define	CONFIG_CMD_EXT2
 #define	CONFIG_CMD_FAT
 #define	CONFIG_CMD_GPIO
 #define	CONFIG_CMD_I2C
 #define	CONFIG_CMD_MII
 #define	CONFIG_CMD_MMC
 #define	CONFIG_CMD_NAND
 #define	CONFIG_CMD_NET
 #define	CONFIG_CMD_NFS
 #define	CONFIG_CMD_PING
 #define	CONFIG_CMD_SETEXPR
 #define	CONFIG_CMD_SF
 #define	CONFIG_CMD_SPI
 #define	CONFIG_CMD_USB

 /*
  * Memory configurations
  */
 #define	CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
 #define	PHYS_SDRAM_1			0x40000000	/* Base address */
 #define	PHYS_SDRAM_1_SIZE		0x20000000	/* Max 512 MB RAM */
 #define	CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
 #define	CONFIG_SYS_GBL_DATA_SIZE	128		/* Initial data */
 #define	CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
 #define	CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
 #define	CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
 /* Point initial SP in SRAM so SPL can use it too. */

 #define CONFIG_SYS_INIT_RAM_ADDR	0x00000000
 #define CONFIG_SYS_INIT_RAM_SIZE	(128 * 1024)

 #define CONFIG_SYS_INIT_SP_OFFSET \
 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 #define CONFIG_SYS_INIT_SP_ADDR \
 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
 /*
  * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
  * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
  * binary. In case there was more of this mess, 0x100 bytes are skipped.
  */
 #define	CONFIG_SYS_TEXT_BASE		0x40000100

 /*
  * U-Boot general configurations
  */
 #define	CONFIG_SYS_LONGHELP
 #define	CONFIG_SYS_PROMPT	"=> "
 #define	CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
 #define	CONFIG_SYS_PBSIZE	\
 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 						/* Print buffer size */
 #define	CONFIG_SYS_MAXARGS	32		/* Max number of command args */
 #define	CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
 						/* Boot argument buffer size */
 #define	CONFIG_VERSION_VARIABLE			/* U-BOOT version */
 #define	CONFIG_AUTO_COMPLETE			/* Command auto complete */
 #define	CONFIG_CMDLINE_EDITING			/* Command history etc */
 #define	CONFIG_SYS_HUSH_PARSER

 /*
  * Serial Driver
  */
 #define	CONFIG_PL011_SERIAL
 #define	CONFIG_PL011_CLOCK		24000000
 #define	CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
 #define	CONFIG_CONS_INDEX		0
 #define	CONFIG_BAUDRATE			115200	/* Default baud rate */

 /*
  * MMC Driver
  */
 #ifdef	CONFIG_CMD_MMC
 #define	CONFIG_MMC
 #define	CONFIG_BOUNCE_BUFFER
 #define	CONFIG_GENERIC_MMC
 #define	CONFIG_MXS_MMC
 #endif

 /*
  * APBH DMA
  */
 #define CONFIG_APBH_DMA

 /*
  * NAND
  */
 #define	CONFIG_ENV_SIZE			(16 * 1024)
 #ifdef	CONFIG_CMD_NAND
 #define	CONFIG_NAND_MXS
 #define	CONFIG_SYS_MAX_NAND_DEVICE	1
 #define	CONFIG_SYS_NAND_BASE		0x60000000
 #define	CONFIG_SYS_NAND_5_ADDR_CYCLE

 /* Environment is in NAND */
 #define	CONFIG_ENV_IS_IN_NAND
 #define	CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
 #define	CONFIG_ENV_SECT_SIZE		(128 * 1024)
 #define	CONFIG_ENV_RANGE		(512 * 1024)
 #define	CONFIG_ENV_OFFSET		0x300000
 #define	CONFIG_ENV_OFFSET_REDUND	\
 		(CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)

 #define	CONFIG_CMD_UBI
 #define	CONFIG_CMD_UBIFS
 #define	CONFIG_CMD_MTDPARTS
 #define	CONFIG_RBTREE
 #define	CONFIG_LZO
 #define	CONFIG_MTD_DEVICE
 #define	CONFIG_MTD_PARTITIONS
 #define	MTDIDS_DEFAULT			"nand0=gpmi-nand"
 #define	MTDPARTS_DEFAULT			\
 	"mtdparts=gpmi-nand:"			\
 		"3m(bootloader)ro,"		\
 		"512k(environment),"		\
 		"512k(redundant-environment),"	\
 		"4m(kernel),"			\
 		"128k(fdt),"			\
 		"8m(ramdisk),"			\
 		"-(filesystem)"
 #else
 #define	CONFIG_ENV_IS_NOWHERE
 #endif

 /*
  * Ethernet on SOC (FEC)
  */
 #ifdef	CONFIG_CMD_NET
 #define	CONFIG_ETHPRIME			"FEC0"
 #define	CONFIG_FEC_MXC
 #define	CONFIG_MII
 #define	CONFIG_FEC_XCV_TYPE		RMII
 #endif

 /*
  * I2C
  */
 #ifdef	CONFIG_CMD_I2C
 #define	CONFIG_I2C_MXS
 #define	CONFIG_HARD_I2C
 #define	CONFIG_SYS_I2C_SPEED		400000
 #endif

 /*
  * EEPROM
  */
 #ifdef	CONFIG_CMD_EEPROM
 #define	CONFIG_SYS_I2C_MULTI_EEPROMS
 #define	CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
 #endif

 /*
  * RTC
  */
 #ifdef	CONFIG_CMD_DATE
 /* Use the internal RTC in the MXS chip */
 #define	CONFIG_RTC_INTERNAL
 #ifdef	CONFIG_RTC_INTERNAL
 #define	CONFIG_RTC_MXS
 #else
 #define	CONFIG_RTC_M41T62
 #define	CONFIG_SYS_I2C_RTC_ADDR		0x68
 #define	CONFIG_SYS_M41T11_BASE_YEAR	2000
 #endif
 #endif

 /*
  * USB
  */
 #ifdef	CONFIG_CMD_USB
 #define	CONFIG_USB_EHCI
 #define	CONFIG_USB_EHCI_MXS
 #define CONFIG_EHCI_MXS_PORT0
 #define CONFIG_EHCI_MXS_PORT1
 #define CONFIG_USB_MAX_CONTROLLER_COUNT	2
 #define	CONFIG_EHCI_IS_TDI
 #define	CONFIG_USB_STORAGE
 #endif

 /*
  * SPI
  */
 #ifdef	CONFIG_CMD_SPI
 #define	CONFIG_HARD_SPI
 #define	CONFIG_MXS_SPI
 #define	CONFIG_SPI_HALF_DUPLEX
 #define	CONFIG_DEFAULT_SPI_BUS		2
 #define	CONFIG_DEFAULT_SPI_CS		0
 #define	CONFIG_DEFAULT_SPI_MODE		SPI_MODE_0

 /* SPI FLASH */
 #ifdef	CONFIG_CMD_SF
 #define	CONFIG_SPI_FLASH
 #define	CONFIG_SPI_FLASH_STMICRO
 #define	CONFIG_SF_DEFAULT_BUS		2
 #define	CONFIG_SF_DEFAULT_CS		0
 #define	CONFIG_SF_DEFAULT_SPEED		40000000
 #define	CONFIG_SF_DEFAULT_MODE		SPI_MODE_0

 #define	CONFIG_ENV_SPI_BUS		2
 #define	CONFIG_ENV_SPI_CS		0
 #define	CONFIG_ENV_SPI_MAX_HZ		40000000
 #define	CONFIG_ENV_SPI_MODE		SPI_MODE_0
 #endif
 #endif

 /*
  * Boot Linux
  */
 #define	CONFIG_CMDLINE_TAG
 #define	CONFIG_SETUP_MEMORY_TAGS
 #define	CONFIG_BOOTDELAY	3
 #define	CONFIG_BOOTFILE		"uImage"
 #define	CONFIG_BOOTARGS		"console=ttyAMA0,115200n8 "
 #define	CONFIG_BOOTCOMMAND	"run bootcmd_net"
 #define	CONFIG_LOADADDR		0x42000000
 #define	CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
 #define	CONFIG_OF_LIBFDT

 /*
  * Extra Environments
  */
 #define	CONFIG_EXTRA_ENV_SETTINGS					\
 	"update_nand_full_filename=u-boot.nand\0"			\
 	"update_nand_firmware_filename=u-boot.sb\0"			\
 	"update_sd_firmware_filename=u-boot.sd\0"			\
 	"update_nand_firmware_maxsz=0x100000\0"				\
 	"update_nand_stride=0x40\0"	/* MX28 datasheet ch. 12.12 */	\
 	"update_nand_count=0x4\0"	/* MX28 datasheet ch. 12.12 */	\
 	"update_nand_get_fcb_size="	/* Get size of FCB blocks */	\
 		"nand device 0 ; "					\
 		"nand info ; "						\
 		"setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \
 		"setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \
 	"update_nand_full="		/* Update FCB, DBBT and FW */	\
 		"if tftp ${update_nand_full_filename} ; then "		\
 		"run update_nand_get_fcb_size ; "			\
 		"nand scrub -y 0x0 ${filesize} ; "			\
 		"nand write.raw ${loadaddr} 0x0 ${fcb_sz} ; "	\
 		"setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \
 		"setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \
 		"nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \
 		"fi\0"							\
 	"update_nand_firmware="		/* Update only firmware */	\
 		"if tftp ${update_nand_firmware_filename} ; then "	\
 		"run update_nand_get_fcb_size ; "			\
 		"setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \
 		"setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; "	\
 		"setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \
 		"nand erase ${fcb_sz} ${fw_sz} ; "			\
 		"nand write ${loadaddr} ${fcb_sz} ${filesize} ; "	\
 		"nand write ${loadaddr} ${fw_off} ${filesize} ; "	\
 		"fi\0"							\
 	"update_sd_firmware="		/* Update the SD firmware partition */ \
 		"if mmc rescan ; then "					\
 		"if tftp ${update_sd_firmware_filename} ; then "	\
 		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
 		"setexpr fw_sz ${fw_sz} + 1 ; "				\
 		"mmc write ${loadaddr} 0x800 ${fw_sz} ; "		\
 		"fi ; "							\
 		"fi\0"

 #endif /* __M28EVK_CONFIG_H__ */
	/*
	* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
	* on behalf of DENX Software Engineering GmbH
	*
	* 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 __M28EVK_CONFIG_H__
	#define __M28EVK_CONFIG_H__

	/*
	* SoC configurations
	*/
	#define CONFIG_MX28 /* i.MX28 SoC */
	#define CONFIG_MXS_GPIO /* GPIO control */
	#define CONFIG_SYS_HZ 1000 /* Ticks per second */

	/*
	* Define M28EVK machine type by hand until it lands in mach-types
	*/
	#define MACH_TYPE_M28EVK 3613

	#define CONFIG_MACH_TYPE MACH_TYPE_M28EVK

	#include <asm/arch/regs-base.h>

	#define CONFIG_SYS_NO_FLASH
	#define CONFIG_BOARD_EARLY_INIT_F
	#define CONFIG_ARCH_MISC_INIT

	/*
	* SPL
	*/
	#define CONFIG_SPL
	#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
	#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
	#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
	#define CONFIG_SPL_LIBCOMMON_SUPPORT
	#define CONFIG_SPL_LIBGENERIC_SUPPORT
	#define CONFIG_SPL_GPIO_SUPPORT

	/*
	* U-Boot Commands
	*/
	#include <config_cmd_default.h>
	#define CONFIG_DISPLAY_CPUINFO
	#define CONFIG_DOS_PARTITION

	#define CONFIG_CMD_CACHE
	#define CONFIG_CMD_DATE
	#define CONFIG_CMD_DHCP
	#define CONFIG_CMD_EEPROM
	#define CONFIG_CMD_EXT2
	#define CONFIG_CMD_FAT
	#define CONFIG_CMD_GPIO
	#define CONFIG_CMD_I2C
	#define CONFIG_CMD_MII
	#define CONFIG_CMD_MMC
	#define CONFIG_CMD_NAND
	#define CONFIG_CMD_NET
	#define CONFIG_CMD_NFS
	#define CONFIG_CMD_PING
	#define CONFIG_CMD_SETEXPR
	#define CONFIG_CMD_SF
	#define CONFIG_CMD_SPI
	#define CONFIG_CMD_USB

	/*
	* Memory configurations
	*/
	#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
	#define PHYS_SDRAM_1 0x40000000 /* Base address */
	#define PHYS_SDRAM_1_SIZE 0x20000000 /* Max 512 MB RAM */
	#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
	#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */
	#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
	#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
	#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
	/* Point initial SP in SRAM so SPL can use it too. */

	#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
	#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)

	#define CONFIG_SYS_INIT_SP_OFFSET \
	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
	#define CONFIG_SYS_INIT_SP_ADDR \
	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
	/*
	* We need to sacrifice first 4 bytes of RAM here to avoid triggering some
	* strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
	* binary. In case there was more of this mess, 0x100 bytes are skipped.
	*/
	#define CONFIG_SYS_TEXT_BASE 0x40000100

	/*
	* U-Boot general configurations
	*/
	#define CONFIG_SYS_LONGHELP
	#define CONFIG_SYS_PROMPT "=> "
	#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
	#define CONFIG_SYS_PBSIZE \
	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
	/* Print buffer size */
	#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
	#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
	/* Boot argument buffer size */
	#define CONFIG_VERSION_VARIABLE /* U-BOOT version */
	#define CONFIG_AUTO_COMPLETE /* Command auto complete */
	#define CONFIG_CMDLINE_EDITING /* Command history etc */
	#define CONFIG_SYS_HUSH_PARSER

	/*
	* Serial Driver
	*/
	#define CONFIG_PL011_SERIAL
	#define CONFIG_PL011_CLOCK 24000000
	#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
	#define CONFIG_CONS_INDEX 0
	#define CONFIG_BAUDRATE 115200 /* Default baud rate */

	/*
	* MMC Driver
	*/
	#ifdef CONFIG_CMD_MMC
	#define CONFIG_MMC
	#define CONFIG_BOUNCE_BUFFER
	#define CONFIG_GENERIC_MMC
	#define CONFIG_MXS_MMC
	#endif

	/*
	* APBH DMA
	*/
	#define CONFIG_APBH_DMA

	/*
	* NAND
	*/
	#define CONFIG_ENV_SIZE (16 * 1024)
	#ifdef CONFIG_CMD_NAND
	#define CONFIG_NAND_MXS
	#define CONFIG_SYS_MAX_NAND_DEVICE 1
	#define CONFIG_SYS_NAND_BASE 0x60000000
	#define CONFIG_SYS_NAND_5_ADDR_CYCLE

	/* Environment is in NAND */
	#define CONFIG_ENV_IS_IN_NAND
	#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
	#define CONFIG_ENV_SECT_SIZE (128 * 1024)
	#define CONFIG_ENV_RANGE (512 * 1024)
	#define CONFIG_ENV_OFFSET 0x300000
	#define CONFIG_ENV_OFFSET_REDUND \
	(CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)

	#define CONFIG_CMD_UBI
	#define CONFIG_CMD_UBIFS
	#define CONFIG_CMD_MTDPARTS
	#define CONFIG_RBTREE
	#define CONFIG_LZO
	#define CONFIG_MTD_DEVICE
	#define CONFIG_MTD_PARTITIONS
	#define MTDIDS_DEFAULT "nand0=gpmi-nand"
	#define MTDPARTS_DEFAULT \
	"mtdparts=gpmi-nand:" \
	"3m(bootloader)ro," \
	"512k(environment)," \
	"512k(redundant-environment)," \
	"4m(kernel)," \
	"128k(fdt)," \
	"8m(ramdisk)," \
	"-(filesystem)"
	#else
	#define CONFIG_ENV_IS_NOWHERE
	#endif

	/*
	* Ethernet on SOC (FEC)
	*/
	#ifdef CONFIG_CMD_NET
	#define CONFIG_ETHPRIME "FEC0"
	#define CONFIG_FEC_MXC
	#define CONFIG_MII
	#define CONFIG_FEC_XCV_TYPE RMII
	#endif

	/*
	* I2C
	*/
	#ifdef CONFIG_CMD_I2C
	#define CONFIG_I2C_MXS
	#define CONFIG_HARD_I2C
	#define CONFIG_SYS_I2C_SPEED 400000
	#endif

	/*
	* EEPROM
	*/
	#ifdef CONFIG_CMD_EEPROM
	#define CONFIG_SYS_I2C_MULTI_EEPROMS
	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
	#endif

	/*
	* RTC
	*/
	#ifdef CONFIG_CMD_DATE
	/* Use the internal RTC in the MXS chip */
	#define CONFIG_RTC_INTERNAL
	#ifdef CONFIG_RTC_INTERNAL
	#define CONFIG_RTC_MXS
	#else
	#define CONFIG_RTC_M41T62
	#define CONFIG_SYS_I2C_RTC_ADDR 0x68
	#define CONFIG_SYS_M41T11_BASE_YEAR 2000
	#endif
	#endif

	/*
	* USB
	*/
	#ifdef CONFIG_CMD_USB
	#define CONFIG_USB_EHCI
	#define CONFIG_USB_EHCI_MXS
	#define CONFIG_EHCI_MXS_PORT0
	#define CONFIG_EHCI_MXS_PORT1
	#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
	#define CONFIG_EHCI_IS_TDI
	#define CONFIG_USB_STORAGE
	#endif

	/*
	* SPI
	*/
	#ifdef CONFIG_CMD_SPI
	#define CONFIG_HARD_SPI
	#define CONFIG_MXS_SPI
	#define CONFIG_SPI_HALF_DUPLEX
	#define CONFIG_DEFAULT_SPI_BUS 2
	#define CONFIG_DEFAULT_SPI_CS 0
	#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0

	/* SPI FLASH */
	#ifdef CONFIG_CMD_SF
	#define CONFIG_SPI_FLASH
	#define CONFIG_SPI_FLASH_STMICRO
	#define CONFIG_SF_DEFAULT_BUS 2
	#define CONFIG_SF_DEFAULT_CS 0
	#define CONFIG_SF_DEFAULT_SPEED 40000000
	#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0

	#define CONFIG_ENV_SPI_BUS 2
	#define CONFIG_ENV_SPI_CS 0
	#define CONFIG_ENV_SPI_MAX_HZ 40000000
	#define CONFIG_ENV_SPI_MODE SPI_MODE_0
	#endif
	#endif

	/*
	* Boot Linux
	*/
	#define CONFIG_CMDLINE_TAG
	#define CONFIG_SETUP_MEMORY_TAGS
	#define CONFIG_BOOTDELAY 3
	#define CONFIG_BOOTFILE "uImage"
	#define CONFIG_BOOTARGS "console=ttyAMA0,115200n8 "
	#define CONFIG_BOOTCOMMAND "run bootcmd_net"
	#define CONFIG_LOADADDR 0x42000000
	#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
	#define CONFIG_OF_LIBFDT

	/*
	* Extra Environments
	*/
	#define CONFIG_EXTRA_ENV_SETTINGS \
	"update_nand_full_filename=u-boot.nand\0" \
	"update_nand_firmware_filename=u-boot.sb\0" \
	"update_sd_firmware_filename=u-boot.sd\0" \
	"update_nand_firmware_maxsz=0x100000\0" \
	"update_nand_stride=0x40\0" /* MX28 datasheet ch. 12.12 */ \
	"update_nand_count=0x4\0" /* MX28 datasheet ch. 12.12 */ \
	"update_nand_get_fcb_size=" /* Get size of FCB blocks */ \
	"nand device 0 ; " \
	"nand info ; " \
	"setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \
	"setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \
	"update_nand_full=" /* Update FCB, DBBT and FW */ \
	"if tftp ${update_nand_full_filename} ; then " \
	"run update_nand_get_fcb_size ; " \
	"nand scrub -y 0x0 ${filesize} ; " \
	"nand write.raw ${loadaddr} 0x0 ${fcb_sz} ; " \
	"setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \
	"setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \
	"nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \
	"fi\0" \
	"update_nand_firmware=" /* Update only firmware */ \
	"if tftp ${update_nand_firmware_filename} ; then " \
	"run update_nand_get_fcb_size ; " \
	"setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \
	"setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; " \
	"setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \
	"nand erase ${fcb_sz} ${fw_sz} ; " \
	"nand write ${loadaddr} ${fcb_sz} ${filesize} ; " \
	"nand write ${loadaddr} ${fw_off} ${filesize} ; " \
	"fi\0" \
	"update_sd_firmware=" /* Update the SD firmware partition */ \
	"if mmc rescan ; then " \
	"if tftp ${update_sd_firmware_filename} ; then " \
	"setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
	"setexpr fw_sz ${fw_sz} + 1 ; " \
	"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
	"fi ; " \
	"fi\0"

	#endif /* __M28EVK_CONFIG_H__ */