FRDM-IMX93 - UUU encounters LIBUSB error

[dmarks_ls]

Hi there,

I'm hoping this is a newbie problem that has a newbie solution.  I'm trying to flash a FRDM-IMX93 board using the latest UUU (Release uuu_1.5.233), and whether I use a Windows 11 host or a Linux (Ubuntu 24.04.03 LTS) host, I always get a LIBUSB error immediately.

On my FRDM-IMX93, I have a chip marked "MIMX9352 CVVXMAB 1P87F SBBD2427F".  Breaking down the part number, it's an IMX93 with industrial temp (C), 11x11 BGA (VV), no add'l info (X), 1.7 GHz (M), no special fuse (A), and silicon rev 2.0 (B).  Based on other docs I've seen (e.g. Digi), xxxxxxB indicates step A1 silicon, while xxxxxxA would indicate step A0 silicon.  Thus, I don't appear (hopefully) to have the issue of the latest UUU not supporting the early-rev A0 silicon.

I created my repo:

repo init -u https://github.com/nxp-imx/imx-manifest -b imx-linux-walnascar -mimx-6.12.34-2.1.0.xml

I set up my build:

DISTRO=fsl-imx-xwayland MACHINE=imx93-11x11-lpddr4x-frdm source imx-setup-release.sh -b build

And I ran my build:

bitbake imx-image-multimedia

And three hours later, I had a successful build (just warnings about ftp.gnu.org mirrors and TMPDIR usage).

So I went into the images directory and tried to program the FRDM-IMX93 board.  I flipped the DIP switches to 0001 (serial bootloader, Cortex-A55), and I verified that I had a connected board:

dmarks@Perseus:~/yocto/frdm-imx93/build/tmp/deploy/images/imx93-11x11-lpddr4x-frdm$ sudo uuu -lsusb
uuu (Universal Update Utility) for nxp imx chips -- libuuu_1.5.233-0-g79ce7d2

Connected Known USB Devices
Path Chip Pro Vid Pid BcdVersion Serial_no
====================================================================
1:12 MX93 SDPS: 0x1FC9 0x014E 0x0001 393792579FA24D4E

And I issued the UUU command to flash the device (with verbosity on), and got this:

dmarks@Perseus:~/yocto/frdm-imx93/build/tmp/deploy/images/imx93-11x11-lpddr4x-frdm$ sudo uuu -V -b sd u-boot-sd-2025.04-r0.bin 
uuu (Universal Update Utility) for nxp imx chips -- libuuu_1.5.233-0-g79ce7d2

Build in config:
	Pctl	 Chip		 Vid	 Pid	 BcdVersion	 Serial_No
	==================================================
	SDPS:	 MX8QXP		 0x1fc9	 0x012f	 [0x0002..0xffff]
	SDPS:	 MX8QM		 0x1fc9	 0x0129	 [0x0002..0xffff]
	SDPS:	 MX8DXL		 0x1fc9	 0x0147
	SDPS:	 MX28		 0x15a2	 0x004f
	SDPS:	 MX815		 0x1fc9	 0x013e
	SDPS:	 MX865		 0x1fc9	 0x0146
	SDPS:	 MX8ULP		 0x1fc9	 0x014a
	SDPS:	 MX8ULP		 0x1fc9	 0x014b
	SDPS:	 MX93		 0x1fc9	 0x014e
	SDPS:	 MX91		 0x1fc9	 0x0159
	SDPS:	 MX95		 0x1fc9	 0x015d
	SDPS:	 MX95		 0x1fc9	 0x015c
	SDPS:	 MX943		 0x1fc9	 0x0027
	SDP:	 MX7D		 0x15a2	 0x0076
	SDP:	 MX6Q		 0x15a2	 0x0054
	SDP:	 MX6D		 0x15a2	 0x0061
	SDP:	 MX6SL		 0x15a2	 0x0063
	SDP:	 MX6SX		 0x15a2	 0x0071
	SDP:	 MX6UL		 0x15a2	 0x007d
	SDP:	 MX6ULL		 0x15a2	 0x0080
	SDP:	 MX6SLL		 0x1fc9	 0x0128
	SDP:	 MX7ULP		 0x1fc9	 0x0126
	SDP:	 MXRT106X	 0x1fc9	 0x0135
	SDP:	 MX8MM		 0x1fc9	 0x0134
	SDP:	 MX8MQ		 0x1fc9	 0x012b
	SDPU:	 SPL		 0x0525	 0xb4a4	 [0x0000..0x04ff]
	SDPV:	 SPL1		 0x0525	 0xb4a4	 [0x0500..0x9998]
	SDPV:	 SPL1		 0x1fc9	 0x0151	 [0x0500..0x9998]
	SDPU:	 SPL		 0x0525	 0xb4a4	 [0x9999..0x9999]
	SDPU:	 SPL		 0x3016	 0x1001	 [0x0000..0x04ff]
	SDPV:	 SPL1		 0x3016	 0x1001	 [0x0500..0x9998]
	FBK:	 		 0x066f	 0x9afe
	FBK:	 		 0x066f	 0x9bff
	FBK:	 		 0x1fc9	 0x0153
	FB:	 		 0x0525	 0xa4a5
	FB:	 		 0x18d1	 0x0d02
	FB:	 		 0x3016	 0x0001
	FB:	 		 0x1fc9	 0x0152
	FB:	 		 0x0483	 0x0afb

Run built-in script:
 
uuu_version 1.2.39

# @_flash.bin            | bootloader
# @_image   [_flash.bin] | image burn to emmc, default is the same as bootloader

# This command will be run when i.MX6/7 i.MX8MM, i.MX8MQ
SDP: boot -f u-boot-sd-2025.04-r0.bin

# This command will be run when ROM support stream mode
# i.MX8QXP, i.MX8QM
SDPS: boot -f u-boot-sd-2025.04-r0.bin

# These commands will be run when use SPL and will be skipped if no spl
# SDPU will be deprecated. please use SDPV instead of SDPU
# {
SDPU: delay 1000
SDPU: write -f u-boot-sd-2025.04-r0.bin -offset 0x57c00
SDPU: jump
# }

# These commands will be run when use SPL and will be skipped if no spl
# if (SPL support SDPV)
# {
SDPV: delay 1000
SDPV: write -f u-boot-sd-2025.04-r0.bin -skipspl
SDPV: jump
# }

FB: ucmd setenv fastboot_dev mmc
FB: ucmd setenv mmcdev ${sd_dev}
FB: ucmd mmc dev ${sd_dev}
FB: flash bootloader u-boot-sd-2025.04-r0.bin
FB: Done


Wait for Known USB Device Appear...
New USB Device Attached at 1:12-393792579FA24D4E
1:12-393792579FA24D4E>Start Cmd:SDPS: boot -f u-boot-sd-2025.04-r0.bin
1:12-393792579FA24D4E>Fail HID(W): LIBUSB_ERROR_IO (-1)(0.006s)

Rebooting the FRDM board did nothing to change this.  Also, switching to a Windows host did nothing to change this.

C:\>uuu -lsusb
uuu (Universal Update Utility) for nxp imx chips -- libuuu_1.5.233-0-g79ce7d2

Connected Known USB Devices
        Path     Chip    Pro     Vid     Pid     BcdVersion      Serial_no
        ====================================================================
        2:1111   MX93    SDPS:   0x1FC9 0x014E   0x0001  393792579FA24D4E

C:\>uuu -b sd u-boot-sd-2025.04-r0.bin
uuu (Universal Update Utility) for nxp imx chips -- libuuu_1.5.233-0-g79ce7d2

Success 0    Failure 1


2:1111-39379 1/ 1 [HID(W): LIBUSB_ERROR_PIPE (-9)        ] SDPS: boot -f u-boot-sd-2025.04-r0.bin

So, in summary, I'm 99% sure I have A1 silicon on my FRDM-IMX93, I built my image using the commands above on a supported Linux host, I've verified the presence of the serial downloader, but UUU just refuses to run on Linux or Windows, and the error message is rather unhelpful.

Ideas?

Dana M.

[Harvey021]

Hi,

Have you tried to find a bootloader file like - imx-boot-imx93-11x11-lpddr4x-frdm-sd.bin-flash_singleboot?

if so, try the way: uuu -b sd imx-boot-imx93-11x11-lpddr4x-frdm-sd.bin-flash_singleboot

Regards

Harvey

[dmarks_ls]

OK, so that appeared to succeed (though it doesn't exit, it just loads and sits there):

C:\>uuu -b sd imx-boot-imx93-11x11-lpddr4x-frdm-sd.bin-flash_singleboot
uuu (Universal Update Utility) for nxp imx chips -- libuuu_1.5.233-0-g79ce7d2

Success 0    Failure 0


2:1111-39379 1/ 1 [=================100%=================] SDPS: boot -f imx-boot-imx93-11x11-lpddr4x-frdm-sd.bin-flash_singleboot

And I do see U-Boot come up on the debug port (log attached).  So UUU is at least functional.  It apparently doesn't matter whether I have an SD card inserted or not; presumably it's booting from internal RAM.

For this Yocto build and the FRDM-IMX93, what is the correct command line to fully reprogram the eMMC flash with U-Boot and a root filesystem image?  (I've attached a directory listing of all of my Yocto build artifacts/images.)

[Harvey021 · Accepted solution]

You can use the command line: 

uuu -b emmc_all imx-boot-imx93-11x11-lpddr4x-frdm-sd.bin-flash_singleboot imx-image-multimedia-imx93-11x11-lpddr4x-frdm.rootfs-20251021183432.wic.zst

The UUU Guide with more details can help for you.

Regards

Harvey

[Siddhesh_Nayak]

Hi @Harvey021 ,

I have been attempting to flash a Yocto image for the i.MX93 FRDM board along with a custom recipe, but I’ve been unsuccessful so far.

To rule out any issues with my custom build, I tried using the demo images available on the NXP portal; however, I am encountering the same problem.

During the flashing process, I consistently see the following error:

2:3->Fail HID(W): LIBUSB_ERROR_TIMEOUT (-7) (20.02s)

I also followed the commands you suggested earlier as a potential solution, but I’m still unable to flash the image, and the process fails with the same timeout error.

C:\_ddm\Tools\UUU>uuu -V -b sd_all "C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-boot-imx93frdm-ecc.bin-flash_singleboot" "C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-image-full-imx93frdm.rootfs.wic.zst"
uuu (Universal Update Utility) for nxp imx chips -- libuuu_1.5.243-0-g230f1b1

Build in config:
        Pctl     Chip            Vid     Pid     BcdVersion      Serial_No
        ==================================================
        SDPS:    MX8QXP          0x1fc9  0x012f  [0x0002..0xffff]
        SDPS:    MX8QM           0x1fc9  0x0129  [0x0002..0xffff]
        SDPS:    MX8DXL          0x1fc9  0x0147
        SDPS:    MX28            0x15a2  0x004f
        SDPS:    MX815           0x1fc9  0x013e
        SDPS:    MX865           0x1fc9  0x0146
        SDPS:    MX8ULP          0x1fc9  0x014a
        SDPS:    MX8ULP          0x1fc9  0x014b
        SDPS:    MX93            0x1fc9  0x014e
        SDPS:    MX91            0x1fc9  0x0159
        SDPS:    MX95            0x1fc9  0x015d
        SDPS:    MX95            0x1fc9  0x015c
        SDPS:    MX943           0x1fc9  0x0027
        SDPS:    MX952           0x1fc9  0x0028
        SDP:     MX7D            0x15a2  0x0076
        SDP:     MX6Q            0x15a2  0x0054
        SDP:     MX6D            0x15a2  0x0061
        SDP:     MX6SL           0x15a2  0x0063
        SDP:     MX6SX           0x15a2  0x0071
        SDP:     MX6UL           0x15a2  0x007d
        SDP:     MX6ULL          0x15a2  0x0080
        SDP:     MX6SLL          0x1fc9  0x0128
        SDP:     MX7ULP          0x1fc9  0x0126
        SDP:     MXRT106X        0x1fc9  0x0135
        SDP:     MX8MM           0x1fc9  0x0134
        SDP:     MX8MQ           0x1fc9  0x012b
        SDPU:    SPL             0x0525  0xb4a4  [0x0000..0x04ff]
        SDPV:    SPL1            0x0525  0xb4a4  [0x0500..0x9998]
        SDPV:    SPL1            0x1fc9  0x0151  [0x0500..0x9998]
        SDPU:    SPL             0x0525  0xb4a4  [0x9999..0x9999]
        SDPU:    SPL             0x3016  0x1001  [0x0000..0x04ff]
        SDPV:    SPL1            0x3016  0x1001  [0x0500..0x9998]
        FBK:                     0x066f  0x9afe
        FBK:                     0x066f  0x9bff
        FBK:                     0x1fc9  0x0153
        FB:                      0x0525  0xa4a5
        FB:                      0x18d1  0x0d02
        FB:                      0x3016  0x0001
        FB:                      0x1fc9  0x0152
        FB:                      0x0483  0x0afb

Run built-in script:

uuu_version 1.4.149

# @_flash.bin            | bootloader, which can extract from wic image
# @_image   [_flash.bin] | wic image burn to emmc.


# This command will be run when i.MX6/7 i.MX8MM, i.MX8MQ
SDP: boot -f C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-boot-imx93frdm-ecc.bin-flash_singleboot -scanlimited 0x800000

# This command will be run when ROM support stream mode
# i.MX8QXP, i.MX8QM
SDPS: boot -scanterm -f C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-boot-imx93frdm-ecc.bin-flash_singleboot -scanlimited 0x800000

# These commands will be run when use SPL and will be skipped if no spl
# SDPU will be deprecated. please use SDPV instead of SDPU
# {
SDPU: delay 1000
SDPU: write -f C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-boot-imx93frdm-ecc.bin-flash_singleboot -offset 0x57c00 -scanlimited 0x800000
SDPU: jump -scanlimited 0x800000
# }

# These commands will be run when use SPL and will be skipped if no spl
# if (SPL support SDPV)
# {
SDPV: delay 1000
SDPV: write -f C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-boot-imx93frdm-ecc.bin-flash_singleboot -skipspl -scanterm -scanlimited 0x800000
SDPV: jump -scanlimited 0x800000
# }

FB: ucmd setenv fastboot_dev mmc
FB: ucmd setenv mmcdev ${sd_dev}
FB: ucmd mmc dev ${sd_dev}
FB: flash -raw2sparse all C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-image-full-imx93frdm.rootfs.wic.zst/*
FB: flash -scanterm -scanlimited 0x800000 bootloader C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-boot-imx93frdm-ecc.bin-flash_singleboot
FB: done


Wait for Known USB Device Appear...
New USB Device Attached at 2:3-
2:3->Start Cmd:SDPS: boot -scanterm -f C:\Users\nxf80713\Downloads\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\LF_v6.6.36-2.1.0_images_FRDM_3.0_i.MX93\imx-boot-imx93frdm-ecc.bin-flash_singleboot -scanlimited 0x800000
2:3->Fail HID(W): LIBUSB_ERROR_TIMEOUT (-7)(20.02s)



libusb: warning [libusb_exit] device 1.29 still referenced
libusb: warning [libusb_exit] device 2.10 still referenced
libusb: warning [libusb_exit] device 2.0 still referenced
libusb: warning [libusb_exit] device 2.31 still referenced
libusb: warning [libusb_exit] device 2.33 still referenced
libusb: warning [libusb_exit] device 2.34 still referenced
libusb: warning [libusb_exit] device 1.28 still referenced
libusb: warning [libusb_exit] device 1.0 still referenced

[dmarks_ls]

Thank you, that command worked on my FRDM board.  I was unclear as to what the correct U-Boot image was to use for the bootloader; I had mistakenly thought it was "u-boot-sd-2025.04-r0.bin".  Appreciate the help.

Dana M.