Unable to open serial port COM14:   ￏﾵￍﾳￕￒﾲﾻﾵﾽￖﾸﾶﾨﾵￄￎￄﾼ￾ﾡﾣ
 













































u-boot=> 
u-boot=> reset
resetting ...

U-Boot SPL 2018.03-imx_v2018.03_4.14.98_2.0.0_ga+g87a19df5e4 (Nov 17 2020 - 17:53:08 +0800)
power_pca9450_init
DRAM PHY training for 2400MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 400MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 100MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 2400MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
Normal Boot
Trying to boot from MMC1


U-Boot 2018.03-imx_v2018.03_4.14.98_2.0.0_ga+g87a19df5e4 (Nov 17 2020 - 17:53:08 +0800)

CPU:   Freescale i.MX8MMQ rev1.0 1800 MHz (running at 1200 MHz)
CPU:   Commercial temperature grade (0C to 95C) at 50C
Reset cause: POR
Model: FSL i.MX8MM EVK board
DRAM:  2 GiB
TCPC:  Vendor ID [0x1fc9], Product ID [0x5110], Addr [I2C1 0x52]
Power supply on USB2
TCPC:  Vendor ID [0x1fc9], Product ID [0x5110], Addr [I2C1 0x50]
MMC:   FSL_SDHC: 0
Loading Environment from MMC... MMC Device -1 not found
*** Warning - No MMC card found, using default environment

Failed (-5)
No panel detected: default to MIPI2HDMI
adv7535_init: Can't find device id=0x3d, on bus 1
Display: MIPI2HDMI (1920x1080)
Video: 1920x1080x24
In:    serial
Out:   serial
Err:   serial

 BuildInfo:
  - ATF 
  - U-Boot 2018.03-imx_v2018.03_4.14.98_2.0.0_ga+g87a19df5e4

switch to partitions #0, OK
mmc0(part 0) is current device
flash target is MMC:255
MMC Device 255 not found
invalid mmc device 255
Net:   No ethernet found.
Fastboot: Normal
Normal Boot
Hit any key to stop autoboot:  0 
MMC Device -1 not found
no mmc device at slot ffffffff
** Bad device mmc 4294967295 **
** Bad device mmc 4294967295 **
Booting from net ...
No ethernet found.
No ethernet found.
WARN: Cannot load the DT
u-boot=> 
u-boot=> 
u-boot=> mmcinfo
Device: FSL_SDHC
Manufacturer ID: 15
OEM: 100
Name: 8GTF4 
Bus Speed: 52000000
Mode : MMC DDR52 (52MHz)
Rd Block Len: 512
MMC version 5.1
High Capacity: Yes
Capacity: 7.3 GiB
Bus Width: 4-bit DDR
Erase Group Size: 512 KiB
HC WP Group Size: 8 MiB
User Capacity: 7.3 GiB WRREL
Boot Capacity: 4 MiB ENH
RPMB Capacity: 512 KiB ENH
u-boot=> 
u-boot=> 
u-boot=> printenv
baudrate=115200
boot_fdt=try
bootargs=console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200 root=/dev/nfs ip=dhcp nfsroot=:,v3,tcp
bootcmd=mmc dev ${mmcdev}; if mmc rescan; then if run loadbootscript; then run bootscript; else if run loadimage; then run mmcboot; else run netboot; fi; fi; else booti ${loadaddr} - ${fdt_addr}; fi
bootcmd_mfg=run mfgtool_args;if iminfo ${initrd_addr}; then if test ${tee} = yes; then bootm ${tee_addr} ${initrd_addr} ${fdt_addr}; else booti ${loadaddr} ${initrd_addr} ${fdt_addr}; fi; else echo "Run fastboot ..."; fastboot 0; fi;
bootdelay=2
bootscript=echo Running bootscript from mmc ...; source
console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200
emmc_dev=0
ethprime=FEC
fastboot_dev=mmc-1
fdt_addr=0x43000000
fdt_file=fsl-imx8mm-evk.dtb
fdt_high=0xffffffffffffffff
fdtcontroladdr=be908260
get_cmd=dhcp
image=Image
initrd_addr=0x43800000
initrd_high=0xffffffffffffffff
jh_clk= 
jh_mmcboot=mw 0x303d0518 0xff; setenv fdt_file fsl-imx8mm-evk-root.dtb;setenv jh_clk clk_ignore_unused; if run loadimage; then run mmcboot; else run jh_netboot; fi; 
jh_netboot=mw 0x303d0518 0xff; setenv fdt_file fsl-imx8mm-evk-root.dtb; setenv jh_clk clk_ignore_unused; run netboot; 
kboot=booti 
loadaddr=0x40480000
loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};
loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}
loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}
mfgtool_args=setenv bootargs console=${console},${baudrate} rdinit=/linuxrc clk_ignore_unused 
mmcargs=setenv bootargs ${jh_clk} console=${console} root=${mmcroot}
mmcautodetect=yes
mmcboot=echo Booting from mmc ...; run mmcargs; if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if run loadfdt; then booti ${loadaddr} - ${fdt_addr}; else echo WARN: Cannot load the DT; fi; else echo wait for boot; fi;
mmcdev=4294967295
mmcpart=1
mmcroot=/dev/mmcblk0p2 rootwait rw
netargs=setenv bootargs ${jh_clk} console=${console} root=/dev/nfs ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp
netboot=echo Booting from net ...; run netargs;  if test ${ip_dyn} = yes; then setenv get_cmd dhcp; else setenv get_cmd tftp; fi; ${get_cmd} ${loadaddr} ${image}; if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if ${get_cmd} ${fdt_addr} ${fdt_file}; then booti ${loadaddr} - ${fdt_addr}; else echo WARN: Cannot load the DT; fi; else booti; fi;
script=boot.scr
sd_dev=1
soc_type=imx8mm

Environment size: 2506/4092 bytes
u-boot=> run fastboot
## Error: "fastboot" not defined
u-boot=> setenv mmcdev 0
u-boot=> saveenv
Saving Environment to MMC... MMC Device -1 not found
!No MMC card found
Failed (1)
u-boot=> 
u-boot=> mmcboot
Unknown command 'mmcboot' - try 'help'
u-boot=> run mmcboot
Booting from mmc ...
** No partition table - mmc 0 **
WARN: Cannot load the DT
u-boot=>