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Original question:

[FAQ] How to flash eMMC using USB DFU on AM62x

SK-AM62: SK-AM62

harikrishnan murugesam
Prodigy 60 points

Part Number: SK-AM62

I have followed the below link, but not able to transfer the filesystem (rootfs.ext4) could you help me on that.

e2e.ti.com/.../faq-sk-am62-how-to-flash-emmc-using-usb-dfu-on-am62x-sk-e2

  • 0
    TI__Guru* 78970 points

    Will you upload the log file as attachment?
    This week is Thanksgiving holiday, please expect delayed response.

  • 0 in reply to harikrishnan murugesam
    TI__Guru* 78970 points

    Hello,
    Have you checked eMMC user partion after eMMC flashing on your board?
    I'm attaching a sample log file for your reference.
    Best,
    -Hong

    Fullscreen 7571.am62_8.3_emmc_boot_check.txt Download 
    U-Boot SPL 2021.01-g74fc69c889 (May 30 2022 - 16:40:44 +0000)
SYSFW ABI: 3.1 (firmware rev 0x0008 '8.3.2--v08.03.02 (Jolly Jellyfi')
Trying to boot from MMC1
Loading Environment from MMC... *** Warning - bad CRC, using default environment

init_env from device 9 not supported!
Starting ATF on ARM64 core...

NOTICE:  BL31: v2.6(release):08.03.00.003-dirty
NOTICE:  BL31: Built : 16:35:46, May 30 2022

U-Boot SPL 2021.01-g74fc69c889 (May 30 2022 - 16:39:30 +0000)
SYSFW ABI: 3.1 (firmware rev 0x0008 '8.3.2--v08.03.02 (Jolly Jellyfi')
Trying to boot from MMC1


U-Boot 2021.01-g74fc69c889 (May 30 2022 - 16:39:30 +0000)

SoC:   AM62X SR1.0
Model: Texas Instruments AM625 SK
EEPROM not available at 0x50, trying to read at 0x51
Board: AM62-SKEVM rev E2
DRAM:  2 GiB
MMC:   mmc@fa10000: 0, mmc@fa00000: 1, mmc@fa20000: 2
Loading Environment from MMC... *** Warning - bad CRC, using default environment

In:    serial@2800000
Out:   serial@2800000
Err:   serial@2800000
Net:   eth0: ethernet@8000000port@1
Hit any key to stop autoboot:  2  0 
=> mmc list
mmc@fa10000: 0 (eMMC)
mmc@fa00000: 1
mmc@fa20000: 2
=> mmc dev 0
switch to partitions #0, OK
mmc0(part 0) is current device
=> mmc info
Device: mmc@fa10000
Manufacturer ID: 13
OEM: 14e
Name: S0J56 
Bus Speed: 200000000
Mode: HS200 (200MHz)
Rd Block Len: 512
MMC version 5.1
High Capacity: Yes
Capacity: 14.8 GiB
Bus Width: 8-bit
Erase Group Size: 512 KiB
HC WP Group Size: 8 MiB
User Capacity: 14.8 GiB WRREL
Boot Capacity: 31.5 MiB ENH
RPMB Capacity: 4 MiB ENH
Boot area 0 is not write protected
Boot area 1 is not write protected
=> mmc part

Partition Map for MMC device 0  --   Partition Type: EFI

Part	Start LBA	End LBA		Name
	Attributes
	Type GUID
	Partition GUID
  1	0x00000022	0x01da3fde	"rootfs"
	attrs:	0x0000000000000000
	type:	ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
	guid:	324d6ebf-ccc2-4d67-b291-805f3849d626
=> ls mmc 0
<DIR>       1024 .
<DIR>       1024 ..
<DIR>      12288 lost+found
<DIR>       3072 bin
<DIR>       1024 boot
<DIR>       1024 dev
<DIR>       3072 etc
<DIR>       1024 home
<SYM>         20 init
<DIR>       4096 lib
<SYM>         19 linuxrc
<DIR>       1024 media
<DIR>       1024 mnt
<DIR>       1024 proc
<DIR>       1024 run
<DIR>       3072 sbin
<DIR>       1024 sys
<DIR>       1024 tmp
<DIR>       1024 usr
<DIR>       1024 var
=> ls mmc 0 boot
<DIR>       1024 .
<DIR>       1024 ..
<SYM>         26 Image
        18448896 Image-5.10.109-g9e58028f94
            2033 k3-am625-sk-csi2-ov5640.dtbo
           34271 k3-am625-sk-lpmdemo.dtb
           44485 k3-am625-sk.dtb
           31582 k3-am625-skeleton.dtb
<SYM>         31 vmlinux.gz
         9071718 vmlinux.gz-5.10.109-g9e58028f94
=>