include/configs/tam3517-common.h - platform/external/u-boot - Gitiles

 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2011
  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
  *
  * Copyright (C) 2009 TechNexion Ltd.
  */

 #ifndef __TAM3517_H
 #define __TAM3517_H

 /*
  * High Level Configuration Options
  */

 #include <asm/arch/cpu.h>		/* get chip and board defs */
 #include <asm/arch/omap.h>

 /* Clock Defines */
 #define V_OSCK			26000000	/* Clock output from T2 */
 #define V_SCLK			(V_OSCK >> 1)

 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
 #define CONFIG_SETUP_MEMORY_TAGS
 #define CONFIG_INITRD_TAG
 #define CONFIG_REVISION_TAG

 /*
  * Size of malloc() pool
  */
 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10) + \
 					2 * 1024 * 1024)
 /*
  * DDR related
  */
 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)

 /*
  * Hardware drivers
  */

 /*
  * NS16550 Configuration
  */
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
 #define CONFIG_SYS_NS16550_CLK		48000000	/* 48MHz (APLL96/2) */

 /*
  * select serial console configuration
  */
 #define CONFIG_SYS_NS16550_COM1		OMAP34XX_UART1

 /* allow to overwrite serial and ethaddr */
 #define CONFIG_ENV_OVERWRITE
 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
 					115200}
 /* EHCI */
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	25

 #define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* base address */
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* bytes of address */
 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x07

 /*
  * Board NAND Info.
  */
 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
 							/* to access */
 							/* nand at CS0 */

 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
 							/* NAND devices */

 /*
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */

 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
 						/* args */
 /* memtest works on */

 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
 								/* address */

 /*
  * AM3517 has 12 GP timers, they can be driven by the system clock
  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
  * This rate is divided by a local divisor.
  */
 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */

 /*
  * Physical Memory Map
  */
 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1

 /*
  * FLASH and environment organization
  */

 /* **** PISMO SUPPORT *** */

 /* Redundant Environment */
 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */

 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
 					 CONFIG_SYS_INIT_RAM_SIZE - \
 					 GENERATED_GBL_DATA_SIZE)

 /*
  * ethernet support, EMAC
  *
  */
 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
 #define CONFIG_BOOTP_DNS2
 #define CONFIG_BOOTP_SEND_HOSTNAME
 #define CONFIG_NET_RETRY_COUNT 10

 /* Defines for SPL */
 #define CONFIG_SPL_CONSOLE
 #define CONFIG_SPL_NAND_SOFTECC
 #define CONFIG_SPL_NAND_WORKSPACE	0x8f07f000 /* below BSS */

 #define CONFIG_SPL_NAND_BASE
 #define CONFIG_SPL_NAND_DRIVERS
 #define CONFIG_SPL_NAND_ECC

 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
 					 CONFIG_SPL_TEXT_BASE)
 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK

 #define CONFIG_SYS_SPL_MALLOC_START	0x8f000000
 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
 #define CONFIG_SPL_BSS_START_ADDR	0x8f080000 /* end of RAM */
 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000

 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"

 /* FAT */
 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME		"uImage"
 #define CONFIG_SPL_FS_LOAD_ARGS_NAME		"args"

 /* RAW SD card / eMMC */
 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x900	/* address 0x120000 */
 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x80	/* address 0x10000 */
 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0x80	/* 64KiB */

 /* NAND boot config */
 #define CONFIG_SYS_NAND_PAGE_COUNT	64
 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
 #define CONFIG_SYS_NAND_OOBSIZE		64
 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
 #define CONFIG_SYS_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47,\
 					 48, 49, 50, 51, 52, 53, 54, 55,\
 					 56, 57, 58, 59, 60, 61, 62, 63}
 #define CONFIG_SYS_NAND_ECCSIZE		256
 #define CONFIG_SYS_NAND_ECCBYTES	3
 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_SW

 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE

 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000

 /* Setup MTD for NAND on the SOM */

 #define	CONFIG_TAM3517_SETTINGS						\
 	"netdev=eth0\0"							\
 	"nandargs=setenv bootargs root=${nandroot} "			\
 		"rootfstype=${nandrootfstype}\0"			\
 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
 		"nfsroot=${serverip}:${rootpath}\0"			\
 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
 	"addip_sta=setenv bootargs ${bootargs} "			\
 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
 		":${hostname}:${netdev}:off panic=1\0"			\
 	"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0"		\
 	"addip=if test -n ${ipdyn};then run addip_dyn;"			\
 		"else run addip_sta;fi\0"				\
 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
 	"addtty=setenv bootargs ${bootargs}"				\
 		" console=ttyO0,${baudrate}\0"				\
 	"addmisc=setenv bootargs ${bootargs} ${misc}\0"			\
 	"loadaddr=82000000\0"						\
 	"kernel_addr_r=82000000\0"					\
 	"hostname=" CONFIG_HOSTNAME "\0"			\
 	"bootfile=" CONFIG_HOSTNAME "/uImage\0"		\
 	"flash_self=run ramargs addip addtty addmtd addmisc;"		\
 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
 	"flash_nfs=run nfsargs addip addtty addmtd addmisc;"		\
 		"bootm ${kernel_addr}\0"				\
 	"nandboot=run nandargs addip addtty addmtd addmisc;"		\
 		"nand read ${kernel_addr_r} kernel\0"			\
 		"bootm ${kernel_addr_r}\0"				\
 	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
 		"run nfsargs addip addtty addmtd addmisc;"		\
 		"bootm ${kernel_addr_r}\0"				\
 	"net_self=if run net_self_load;then "				\
 		"run ramargs addip addtty addmtd addmisc;"		\
 		"bootm ${kernel_addr_r} ${ramdisk_addr_r};"		\
 		"else echo Images not loades;fi\0"			\
 	"u-boot=" CONFIG_HOSTNAME "/u-boot.img\0"		\
 	"load=tftp ${loadaddr} ${u-boot}\0"				\
 	"loadmlo=tftp ${loadaddr} ${mlo}\0"				\
 	"mlo=" CONFIG_HOSTNAME "/MLO\0"			\
 	"uboot_addr=0x80000\0"						\
 	"update=nandecc sw;nand erase ${uboot_addr} 100000;"		\
 		"nand write ${loadaddr} ${uboot_addr} 80000\0"		\
 	"updatemlo=nandecc hw;nand erase 0 20000;"			\
 		"nand write ${loadaddr} 0 20000\0"			\
 	"upd=if run load;then echo Updating u-boot;if run update;"	\
 		"then echo U-Boot updated;"				\
 			"else echo Error updating u-boot !;"		\
 			"echo Board without bootloader !!;"		\
 		"fi;"							\
 		"else echo U-Boot not downloaded..exiting;fi\0"		\

 /*
  * this is common code for all TAM3517 boards.
  * MAC address is stored from manufacturer in
  * I2C EEPROM
  */
 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
 /*
  * The I2C EEPROM on the TAM3517 contains
  * mac address and production data
  */
 struct tam3517_module_info {
 	char customer[48];
 	char product[48];

 	/*
 	 * bit 0~47  : sequence number
 	 * bit 48~55 : week of year, from 0.
 	 * bit 56~63 : year
 	 */
 	unsigned long long sequence_number;

 	/*
 	 * bit 0~7   : revision fixed
 	 * bit 8~15  : revision major
 	 * bit 16~31 : TNxxx
 	 */
 	unsigned int revision;
 	unsigned char eth_addr[4][8];
 	unsigned char _rev[100];
 };

 #define TAM3517_READ_EEPROM(info, ret) \
 do {								\
 	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
 	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,		\
 		(void *)info, sizeof(*info)))			\
 		ret = 1;					\
 	else							\
 		ret = 0;					\
 } while (0)

 #define TAM3517_READ_MAC_FROM_EEPROM(info)			\
 do {								\
 	char buf[80], ethname[20];				\
 	int i;							\
 	memset(buf, 0, sizeof(buf));				\
 	for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) {	\
 		sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",	\
 			(info)->eth_addr[i][5],			\
 			(info)->eth_addr[i][4],			\
 			(info)->eth_addr[i][3],			\
 			(info)->eth_addr[i][2],			\
 			(info)->eth_addr[i][1],			\
 			(info)->eth_addr[i][0]);			\
 								\
 		if (i)						\
 			sprintf(ethname, "eth%daddr", i);	\
 		else						\
 			strcpy(ethname, "ethaddr");		\
 		printf("Setting %s from EEPROM with %s\n", ethname, buf);\
 		env_set(ethname, buf);				\
 	}							\
 } while (0)

 /* The following macros are taken from Technexion's documentation */
 #define TAM3517_sequence_number(info) \
 	((info)->sequence_number % 0x1000000000000LL)
 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
 #define TAM3517_year(info) ((info)->sequence_number >> 56)
 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
 #define TAM3517_revision_tn(info) ((info)->revision >> 16)

 #define TAM3517_PRINT_SOM_INFO(info)				\
 do {								\
 	printf("Vendor:%s\n", (info)->customer);		\
 	printf("SOM:   %s\n", (info)->product);			\
 	printf("SeqNr: %02llu%02llu%012llu\n",			\
 		TAM3517_year(info),				\
 		TAM3517_week_of_year(info),			\
 		TAM3517_sequence_number(info));			\
 	printf("Rev:   TN%u %u.%u\n",				\
 		TAM3517_revision_tn(info),			\
 		TAM3517_revision_major(info),			\
 		TAM3517_revision_fixed(info));			\
 } while (0)

 #endif

 #endif /* __TAM3517_H */
	/* SPDX-License-Identifier: GPL-2.0+ */
	/*
	* Copyright (C) 2011
	* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
	*
	* Copyright (C) 2009 TechNexion Ltd.
	*/

	#ifndef __TAM3517_H
	#define __TAM3517_H

	/*
	* High Level Configuration Options
	*/

	#include <asm/arch/cpu.h> /* get chip and board defs */
	#include <asm/arch/omap.h>

	/* Clock Defines */
	#define V_OSCK 26000000 /* Clock output from T2 */
	#define V_SCLK (V_OSCK >> 1)

	#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
	#define CONFIG_SETUP_MEMORY_TAGS
	#define CONFIG_INITRD_TAG
	#define CONFIG_REVISION_TAG

	/*
	* Size of malloc() pool
	*/
	#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10) + \
	2 * 1024 * 1024)
	/*
	* DDR related
	*/
	#define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024)

	/*
	* Hardware drivers
	*/

	/*
	* NS16550 Configuration
	*/
	#define CONFIG_SYS_NS16550_SERIAL
	#define CONFIG_SYS_NS16550_REG_SIZE (-4)
	#define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */

	/*
	* select serial console configuration
	*/
	#define CONFIG_SYS_NS16550_COM1 OMAP34XX_UART1

	/* allow to overwrite serial and ethaddr */
	#define CONFIG_ENV_OVERWRITE
	#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
	115200}
	/* EHCI */
	#define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 25

	#define CONFIG_SYS_I2C
	#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* base address */
	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
	#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07

	/*
	* Board NAND Info.
	*/
	#define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
	/* to access */
	/* nand at CS0 */

	#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */
	/* NAND devices */

	/*
	* Miscellaneous configurable options
	*/
	#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */

	#define CONFIG_SYS_MAXARGS 32 /* max number of command */
	/* args */
	/* memtest works on */

	#define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */
	/* address */

	/*
	* AM3517 has 12 GP timers, they can be driven by the system clock
	* (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
	* This rate is divided by a local divisor.
	*/
	#define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2
	#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */

	/*
	* Physical Memory Map
	*/
	#define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
	#define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1

	/*
	* FLASH and environment organization
	*/

	/* ** PISMO SUPPORT * */

	/* Redundant Environment */
	#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */

	#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
	#define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
	#define CONFIG_SYS_INIT_RAM_SIZE 0x800
	#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
	CONFIG_SYS_INIT_RAM_SIZE - \
	GENERATED_GBL_DATA_SIZE)

	/*
	* ethernet support, EMAC
	*
	*/
	#define CONFIG_DRIVER_TI_EMAC_USE_RMII
	#define CONFIG_BOOTP_DNS2
	#define CONFIG_BOOTP_SEND_HOSTNAME
	#define CONFIG_NET_RETRY_COUNT 10

	/* Defines for SPL */
	#define CONFIG_SPL_CONSOLE
	#define CONFIG_SPL_NAND_SOFTECC
	#define CONFIG_SPL_NAND_WORKSPACE 0x8f07f000 /* below BSS */

	#define CONFIG_SPL_NAND_BASE
	#define CONFIG_SPL_NAND_DRIVERS
	#define CONFIG_SPL_NAND_ECC

	#define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
	CONFIG_SPL_TEXT_BASE)
	#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK

	#define CONFIG_SYS_SPL_MALLOC_START 0x8f000000
	#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
	#define CONFIG_SPL_BSS_START_ADDR 0x8f080000 /* end of RAM */
	#define CONFIG_SPL_BSS_MAX_SIZE 0x80000

	#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
	#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"

	/* FAT */
	#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
	#define CONFIG_SPL_FS_LOAD_ARGS_NAME "args"

	/* RAW SD card / eMMC */
	#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
	#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
	#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */

	/* NAND boot config */
	#define CONFIG_SYS_NAND_PAGE_COUNT 64
	#define CONFIG_SYS_NAND_PAGE_SIZE 2048
	#define CONFIG_SYS_NAND_OOBSIZE 64
	#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
	#define CONFIG_SYS_NAND_5_ADDR_CYCLE
	#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0
	#define CONFIG_SYS_NAND_ECCPOS {40, 41, 42, 43, 44, 45, 46, 47,\
	48, 49, 50, 51, 52, 53, 54, 55,\
	56, 57, 58, 59, 60, 61, 62, 63}
	#define CONFIG_SYS_NAND_ECCSIZE 256
	#define CONFIG_SYS_NAND_ECCBYTES 3
	#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_SW

	#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE

	#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
	#define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000

	/* Setup MTD for NAND on the SOM */

	#define CONFIG_TAM3517_SETTINGS \
	"netdev=eth0\0" \
	"nandargs=setenv bootargs root=${nandroot} " \
	"rootfstype=${nandrootfstype}\0" \
	"nfsargs=setenv bootargs root=/dev/nfs rw " \
	"nfsroot=${serverip}:${rootpath}\0" \
	"ramargs=setenv bootargs root=/dev/ram rw\0" \
	"addip_sta=setenv bootargs ${bootargs} " \
	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
	":${hostname}:${netdev}:off panic=1\0" \
	"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0" \
	"addip=if test -n ${ipdyn};then run addip_dyn;" \
	"else run addip_sta;fi\0" \
	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
	"addtty=setenv bootargs ${bootargs}" \
	" console=ttyO0,${baudrate}\0" \
	"addmisc=setenv bootargs ${bootargs} ${misc}\0" \
	"loadaddr=82000000\0" \
	"kernel_addr_r=82000000\0" \
	"hostname=" CONFIG_HOSTNAME "\0" \
	"bootfile=" CONFIG_HOSTNAME "/uImage\0" \
	"flash_self=run ramargs addip addtty addmtd addmisc;" \
	"bootm ${kernel_addr} ${ramdisk_addr}\0" \
	"flash_nfs=run nfsargs addip addtty addmtd addmisc;" \
	"bootm ${kernel_addr}\0" \
	"nandboot=run nandargs addip addtty addmtd addmisc;" \
	"nand read ${kernel_addr_r} kernel\0" \
	"bootm ${kernel_addr_r}\0" \
	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
	"run nfsargs addip addtty addmtd addmisc;" \
	"bootm ${kernel_addr_r}\0" \
	"net_self=if run net_self_load;then " \
	"run ramargs addip addtty addmtd addmisc;" \
	"bootm ${kernel_addr_r} ${ramdisk_addr_r};" \
	"else echo Images not loades;fi\0" \
	"u-boot=" CONFIG_HOSTNAME "/u-boot.img\0" \
	"load=tftp ${loadaddr} ${u-boot}\0" \
	"loadmlo=tftp ${loadaddr} ${mlo}\0" \
	"mlo=" CONFIG_HOSTNAME "/MLO\0" \
	"uboot_addr=0x80000\0" \
	"update=nandecc sw;nand erase ${uboot_addr} 100000;" \
	"nand write ${loadaddr} ${uboot_addr} 80000\0" \
	"updatemlo=nandecc hw;nand erase 0 20000;" \
	"nand write ${loadaddr} 0 20000\0" \
	"upd=if run load;then echo Updating u-boot;if run update;" \
	"then echo U-Boot updated;" \
	"else echo Error updating u-boot !;" \
	"echo Board without bootloader !!;" \
	"fi;" \
	"else echo U-Boot not downloaded..exiting;fi\0" \

	/*
	* this is common code for all TAM3517 boards.
	* MAC address is stored from manufacturer in
	* I2C EEPROM
	*/
	#if !(defined(__KERNEL_STRICT_NAMES) \|\| defined(__ASSEMBLY__))
	/*
	* The I2C EEPROM on the TAM3517 contains
	* mac address and production data
	*/
	struct tam3517_module_info {
	char customer[48];
	char product[48];

	/*
	* bit 0~47 : sequence number
	* bit 48~55 : week of year, from 0.
	* bit 56~63 : year
	*/
	unsigned long long sequence_number;

	/*
	* bit 0~7 : revision fixed
	* bit 8~15 : revision major
	* bit 16~31 : TNxxx
	*/
	unsigned int revision;
	unsigned char eth_addr[4][8];
	unsigned char _rev[100];
	};

	#define TAM3517_READ_EEPROM(info, ret) \
	do { \
	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, \
	(void )info, sizeof(info))) \
	ret = 1; \
	else \
	ret = 0; \
	} while (0)

	#define TAM3517_READ_MAC_FROM_EEPROM(info) \
	do { \
	char buf[80], ethname[20]; \
	int i; \
	memset(buf, 0, sizeof(buf)); \
	for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) { \
	sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", \
	(info)->eth_addr[i][5], \
	(info)->eth_addr[i][4], \
	(info)->eth_addr[i][3], \
	(info)->eth_addr[i][2], \
	(info)->eth_addr[i][1], \
	(info)->eth_addr[i][0]); \
	\
	if (i) \
	sprintf(ethname, "eth%daddr", i); \
	else \
	strcpy(ethname, "ethaddr"); \
	printf("Setting %s from EEPROM with %s\n", ethname, buf);\
	env_set(ethname, buf); \
	} \
	} while (0)

	/* The following macros are taken from Technexion's documentation */
	#define TAM3517_sequence_number(info) \
	((info)->sequence_number % 0x1000000000000LL)
	#define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
	#define TAM3517_year(info) ((info)->sequence_number >> 56)
	#define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
	#define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
	#define TAM3517_revision_tn(info) ((info)->revision >> 16)

	#define TAM3517_PRINT_SOM_INFO(info) \
	do { \
	printf("Vendor:%s\n", (info)->customer); \
	printf("SOM: %s\n", (info)->product); \
	printf("SeqNr: %02llu%02llu%012llu\n", \
	TAM3517_year(info), \
	TAM3517_week_of_year(info), \
	TAM3517_sequence_number(info)); \
	printf("Rev: TN%u %u.%u\n", \
	TAM3517_revision_tn(info), \
	TAM3517_revision_major(info), \
	TAM3517_revision_fixed(info)); \
	} while (0)

	#endif

	#endif /* __TAM3517_H */