am335x eeprom programming with u-boot

.eeprom.txt (built-in device)

board_eeprom_header=bbbw_blank

.eeprom.txt (non-built-in device)

eeprom_program=i2c dev 0; \
i2c md 0x50 0x00.2 20; \
i2c mw 0x50 0x00.2 aa; \
i2c mw 0x50 0x01.2 55; \
i2c mw 0x50 0x02.2 33; \
i2c mw 0x50 0x03.2 ee; \
i2c mw 0x50 0x04.2 41; \
i2c mw 0x50 0x05.2 33; \
i2c mw 0x50 0x06.2 33; \
i2c mw 0x50 0x07.2 35; \
i2c mw 0x50 0x08.2 42; \
i2c mw 0x50 0x09.2 4e; \
i2c mw 0x50 0x0a.2 4c; \
i2c mw 0x50 0x0b.2 54; \
i2c md 0x50 0x00.2 20; \
reset ;

uboot.diff

diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index ff8e1c590d..96ec0b2776 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -90,6 +90,7 @@
 	"if test ${boot_fit} -eq 1; then "	\
 		"run update_to_fit;"	\
 	"fi;"	\
+	"run eeprom_program; " \
 	"run findfdt; " \
 	"run init_console; " \
 	"run envboot; " \
@@ -108,6 +109,7 @@
 	"bootpart=0:2\0" \
 	"bootdir=/boot\0" \
 	"bootfile=zImage\0" \
+	"board_eeprom_header=undefined\0" \
 	"fdtfile=undefined\0" \
 	"console=ttyO0,115200n8\0" \
 	"partitions=" \
@@ -138,6 +140,13 @@
 	"ramboot=echo Booting from ramdisk ...; " \
 		"run ramargs; " \
 		"bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
+	"eeprom_program="\
+		"if test $board_eeprom_header = bbb_blank; then " \
+			"run eeprom_dump; run eeprom_blank; run eeprom_bbb_header; run eeprom_dump; reset; fi; " \
+		"if test $board_eeprom_header = bbbl_blank; then " \
+			"run eeprom_dump; run eeprom_blank; run eeprom_bbb_header; run eeprom_bbbl_footer; run eeprom_dump; reset; fi; " \
+		"if test $board_eeprom_header = bbbw_blank; then " \
+			"run eeprom_dump; run eeprom_blank; run eeprom_bbb_header; run eeprom_bbbw_footer; run eeprom_dump; reset; fi;  \0" \
 	"findfdt="\
 		"echo board_name=[$board_name] ...; " \
 		"if test $board_name = A335BONE; then " \
@@ -167,6 +176,12 @@
 			"fi; " \
 		"fi; " \
 		"if test $board_name = A335BLNK; then " \
+			"if test -e mmc 0:1 /boot/.eeprom.txt; then " \
+				"load mmc 0:1 ${loadaddr} /boot/.eeprom.txt;" \
+				"env import -t ${loadaddr} ${filesize};" \
+				"echo Loaded environment from /boot/.eeprom.txt;" \
+				"run eeprom_program; " \
+			"fi;" \
 			"setenv fdtfile am335x-boneblack-emmc-overlay.dtb; setenv fdtbase am335x-boneblack-emmc-overlay; fi; " \
 		"if test $board_name = BBBW; then " \
 			"setenv fdtfile am335x-boneblack-wireless.dtb; setenv fdtbase am335x-boneblack-wireless; fi; " \
@@ -199,6 +214,7 @@
 	EEWIKI_NFS \
 	EEWIKI_BOOT \
 	EEWIKI_UNAME_BOOT \
+	EEPROM_PROGRAMMING \
 	NANDARGS \
 	NETARGS \
 	DFUARGS \
diff --git a/include/configs/ti_armv7_common.h b/include/configs/ti_armv7_common.h
index ab88befd48..a6850f1cd2 100644
--- a/include/configs/ti_armv7_common.h
+++ b/include/configs/ti_armv7_common.h
@@ -132,6 +132,72 @@
 /* Boot Argument Buffer Size */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 
+#define EEPROM_PROGRAMMING \
+	"eeprom_dump=i2c dev 0; " \
+		"i2c md 0x50 0x00.2 20; " \
+		"\0" \
+	"eeprom_blank=i2c dev 0; " \
+		"i2c mw 0x50 0x00.2 ff; " \
+		"i2c mw 0x50 0x01.2 ff; " \
+		"i2c mw 0x50 0x02.2 ff; " \
+		"i2c mw 0x50 0x03.2 ff; " \
+		"i2c mw 0x50 0x04.2 ff; " \
+		"i2c mw 0x50 0x05.2 ff; " \
+		"i2c mw 0x50 0x06.2 ff; " \
+		"i2c mw 0x50 0x07.2 ff; " \
+		"i2c mw 0x50 0x08.2 ff; " \
+		"i2c mw 0x50 0x09.2 ff; " \
+		"i2c mw 0x50 0x0a.2 ff; " \
+		"i2c mw 0x50 0x0b.2 ff; " \
+		"i2c mw 0x50 0x0c.2 ff; " \
+		"i2c mw 0x50 0x0d.2 ff; " \
+		"i2c mw 0x50 0x0e.2 ff; " \
+		"i2c mw 0x50 0x0f.2 ff; " \
+		"i2c mw 0x50 0x10.2 ff; " \
+		"i2c mw 0x50 0x11.2 ff; " \
+		"i2c mw 0x50 0x12.2 ff; " \
+		"i2c mw 0x50 0x13.2 ff; " \
+		"i2c mw 0x50 0x14.2 ff; " \
+		"i2c mw 0x50 0x15.2 ff; " \
+		"i2c mw 0x50 0x16.2 ff; " \
+		"i2c mw 0x50 0x17.2 ff; " \
+		"i2c mw 0x50 0x18.2 ff; " \
+		"i2c mw 0x50 0x19.2 ff; " \
+		"i2c mw 0x50 0x1a.2 ff; " \
+		"i2c mw 0x50 0x1b.2 ff; " \
+		"i2c mw 0x50 0x1c.2 ff; " \
+		"i2c mw 0x50 0x1d.2 ff; " \
+		"i2c mw 0x50 0x1e.2 ff; " \
+		"i2c mw 0x50 0x1f.2 ff; " \
+		"\0" \
+	"eeprom_bbb_header=i2c dev 0; " \
+		"i2c mw 0x50 0x00.2 aa; " \
+		"i2c mw 0x50 0x01.2 55; " \
+		"i2c mw 0x50 0x02.2 33; " \
+		"i2c mw 0x50 0x03.2 ee; " \
+		"i2c mw 0x50 0x04.2 41; " \
+		"i2c mw 0x50 0x05.2 33; " \
+		"i2c mw 0x50 0x06.2 33; " \
+		"i2c mw 0x50 0x07.2 35; " \
+		"i2c mw 0x50 0x08.2 42; " \
+		"i2c mw 0x50 0x09.2 4e; " \
+		"i2c mw 0x50 0x0a.2 4c; " \
+		"i2c mw 0x50 0x0b.2 54; " \
+		"\0" \
+	"eeprom_bbbw_footer= " \
+		"i2c mw 0x50 0x0c.2 42; " \
+		"i2c mw 0x50 0x0d.2 57; " \
+		"i2c mw 0x50 0x0e.2 41; " \
+		"i2c mw 0x50 0x0f.2 35; " \
+		"\0" \
+	"eeprom_bbbl_footer= " \
+		"i2c mw 0x50 0x0c.2 42; " \
+		"i2c mw 0x50 0x0d.2 4c; " \
+		"i2c mw 0x50 0x0e.2 41; " \
+		"i2c mw 0x50 0x0f.2 32; " \
+		"\0" \
+
+
 #define EEWIKI_NFS \
 	"server_ip=192.168.1.100\0" \
 	"gw_ip=192.168.1.1\0" \