bootcmd=mmc read 0 0x1FFFFC0 0x1000 0x4000;bootm 0x1FFFFC0 bootargs=console=ttyAMA0,115200 root=/dev/mmcblk0p4 rootfstype=ext4 rootwait blkdevparts=mmcblk0:1M(fastboot),1M(bootargs),8M(kernel),128M(rootfs),-(system) mkbootargs -s 1M -r bootargs.txt -o bootargs.bin
bootcmd操作說明:
從第0個mmc裝置塊上2M位元組處開始(0x1000的十進位制4096,4096*512/1024=2M),讀取16×512個位元組(0x4000的十進位制16384*512/1024=8M)到記憶體0x1FFFFC0處,並從此處引導。