# cat /proc/emmc
#dev:        size     erasesize name
#mmcblk0p17: 00040000 00000200 "misc"
#mmcblk0p21: 0087f400 00000200 "recovery"
#mmcblk0p22: 00400000 00000200 "boot"
#mmcblk0p25: 22dffe00 00000200 "system"
#mmcblk0p27: 12bffe00 00000200 "cache"
#mmcblk0p26: 496ffe00 00000200 "userdata"
#mmcblk0p28: 014bfe00 00000200 "devlog"
#mmcblk0p29: 00040000 00000200 "pdata"

TARGET_USERIMAGES_USE_EXT4 := true
BOARD_SYSTEMIMAGE_PARTITION_SIZE := 435941376
BOARD_USERDATAIMAGE_PARTITION_SIZE := 1394606080
BOARD_BOOTIMAGE_PARTITION_SIZE := 4194304
BOARD_FLASH_BLOCK_SIZE := 262144