yattaman_92 devi prendere un classico TTL2USB con chip CP210X o FT232
comunque ho collegato la seriale, ed in uBoot non vedo l'impostazione dell'IMEI
(IPQ40xx) # printenv
baudrate=115200
bootcmd=bootipq
bootdelay=2
flash_type=0
ipaddr=192.168.0.1
lc=tftpboot 0x84000000 ${dir}cdt-AP.DK04.1-C1.bin&&sf probe&&sf erase 0xc0000 +$filesize&&sf write $fileaddr 0xc0000 $filesize
lp=tftpboot 0x84000000 ${dir}norplusnand-system-partition-ipq40xx.bin&&sf probe&&sf erase 0x40000 +$filesize&&sf write $fileaddr 0x40000 $filesize
lr=tftpboot 0x84000000 ${dir}root_uImage&&nand erase 0x1000000 0x800000 &&nand write_partition 0x84000000 0x1000000 0x800000 &&nand erase 0x1800000 0x1D00000 &&nand write_partition 0x84800000 0x1800000 0x1D00000
lrb=tftpboot 0x84000000 ${dir}delta.bin&&nand erase 0x3500000 0x1900000&&nand write $fileaddr 0x3500000 $filesize
lrs=tftpboot 0x84000000 ${dir}root_uImage_s&&nand erase 0x1800000 0x1D00000&&nand write $fileaddr 0x1800000 $filesize
lu=tftpboot 0x84000000 ${dir}uboot.bin&&sf probe&&sf erase 0xf0000 +$filesize&&sf write $fileaddr 0xf0000 $filesize
lw=tftpboot 0x84000000 ${dir}web.img&&nand erase 0x1000000 0x800000&&nand write $fileaddr 0x1000000 $filesize
machid=8010001
serverip=192.168.0.22
stderr=serial
stdin=serial
stdout=serial
Environment size: 1149/65532 bytes
Credo che a questo punto ti convenga fare un "test" con OS partito usando i comandi nella guida per il passaggio da Elisa B02 in su, ovvero:
nv set imei=866754043693436
nv set imei_tmp=866754043693436
nv save
Io andandoli a dare sul mio mi viene dato l'IMEI giusto:
admin@(none):~# nv get imei
866754041XXXXXX
admin@(none):~# nv get imei_tmp
866754041XXXXXX
Prova a farlo sul tuo e rilanciare l'upgrade, in teoria l'IMEI poi dovrebbe prenderselo dalla scheda interna