uboot下讀取flash，上傳tftp服務器、下載

 上傳

setenv gatewayip 192.168.1.1; setenv serverip 192.168.1.7; setenv ipaddr 192.168.1.156 ; mw.b 0x82000000 0xff 0x1000000 sf probe 0 sf read 0x82000000 0 0x1000000 tftp 0x82000000 test.bin 0x1000000

 下載

mw.b 82000000 ff 1000000 tftp 82000000 test.bin sf probe 0 sf erase 0 1000000 sf write 82000000 0 1000000

 Hi3518EV200+AR0130

setenv serverip 192.168.1.14;mw.b 82000000 ff 1000000;tftp 82000000 /home/swann/tftp_hi/firmware_3518_0130_v1.0.bin;sf probe 0;sf erase 0 1000000;sf write 82000000 0 1000000