root@linaro-alip:/# fdisk -l
Disk /dev/mmcblk1: 14.84 GiB, 15931539456 bytes, 31116288 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000
Device Boot Start End Sectors Size Id Type
/dev/mmcblk1p1 2048 31116254 31114207 14.8G c W95 FAT32 (LBA)
You can format it to the required format and then mount it to the specified location.