mkfs.fat, issue with boot AM335x from SD-Card. (answer the total_sect differs between 4.2 and 4.1) · Issue #165 · dosfstools/dosfstoolsFor booting an Texas-AM335x (Beagle-board) from the SD-card the cpu uses a own hard coded bootloader (by TI) Basicly it looks for a boot partition and tries to find MLO (a boot loader) on the sdcar...
github.com 
nil
經過驗證，4.2版本的dosfstools 使用 sudo mkfs.fat -g 255/63 /dev/sdc1 -a
格式化出的tf卡可以在am335x上啓動