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Status: errUNKNOWN, State: dfuERROR - What could this error be referring to?

JKell.6
Associate III

‎2023-02-09 11:48 AM

I'm getting these errors on the consoles when FSBL (TF-A) is trying to download SSBL (U-Boot). What could this DFU error be? I've added the following to the U-Boot DTSI file so it ignore USB OTG VBUS and USB OTG ID. I've tried this using Linux and Windows with STProgrammer.

&usbotg_hs {
 	u-boot,force-b-session-valid;
 	dr_mode = "peripheral";
 };

Console Output:
 
NOTICE:  CPU: STM32MP157AAA Rev.Z
NOTICE:  (a)Model: STMicroelectronics custom STM32CubeMX board - openstlinux-5.15-yocto-kirkstone-mp1-v22.                     06.15
NOTICE:  board_id = 0
NOTICE:  Board: Board ID is zero
NOTICE:  Checking fixed regulator register
INFO:    fixed_regulator_register() is the problem
INFO:    Entering the loop
INFO:    register fixed reg regulator-vdd!
INFO:    Node: 10728
NOTICE:  Calling stm32mp1_syscfg_init()
WARNING: VDD unknown
NOTICE:  Watchdog refresh
NOTICE:  BSEC read debug configuration
NOTICE:  Arch security setup
INFO:    Reset reason (0x4):
INFO:      Pad Reset from NRST
NOTICE:  Syscfg enable IO
INFO:    FCONF: Reading TB_FW firmware configuration file from: 0x2ffe2000
INFO:    FCONF: Reading firmware configuration information for: stm32mp_io
NOTICE:  BL MEM param handling
INFO:    Using USB
INFO:      Instance 2
INFO:    Boot used partition fsbl1
NOTICE:  Done with arch setup
NOTICE:  BL2: v2.6-stm32mp1-r2.0(debug):()
NOTICE:  BL2: Built : 17:01:00, Feb  8 2023
INFO:    BL2: Doing platform setup
NOTICE:  STM32MP DDR probe
INFO:    RAM: DDR3-DDR3L 16bits 532000kHz
NOTICE:  stm32mp_ddr_test_addr_bus(size) - size = 536870912
NOTICE:  Checking for address bits stuck high
NOTICE:  Checking for address bits stuck low
NOTICE:  uret Value = 0
INFO:    Memory size = 0x20000000 (512 MB)
INFO:    DFU USB START LOAD...
INFO:    DFU STATE - Phase=3, Address=c7000000, Base=c7000000, Length=16777216
STProgrammer Console Output
 
DFU State = 5
13:36:57:326 : Segment[0] downloaded successfully
13:36:57:326 : File download complete
13:36:57:326 : Time elapsed during download operation: 00:00:01.406
13:36:57:326 : RUNNING Program ... 
13:36:57:326 :   PartID:      :0x01 
13:36:57:326 : DFU status = 0
13:36:57:327 : DFU State = 5
13:36:57:327 : sending a dfu end of download request
13:36:57:328 : DFU status = 0
13:36:57:329 : DFU State = 7
13:36:57:476 : DFU status = 0
13:36:57:477 : DFU State = 2
13:36:57:477 : sending a set alternate setting request with index: 5
13:36:57:478 : receiving packet
13:36:57:479 : DFU status = 0
13:36:57:479 : DFU State = 2
13:36:57:479 : UpLoading data
13:36:57:482 : DFU status = 0
13:36:57:482 : DFU State = 2
13:36:57:482 : sending a set alternate setting request with index: 3
13:36:57:482 : Start operation done successfully at partition 0x01
13:36:57:482 : sending a set alternate setting request with index: 5
13:36:57:483 : receiving packet
13:36:57:483 : sending a clear status request
13:36:57:483 : an error occured after sending the clear status request
13:36:57:483 : Status: errUNKNOWN, State: dfuERROR
13:36:57:483 : sending a clear status request
13:36:57:483 : an error occured after sending the clear status request
13:36:57:483 : Status: errUNKNOWN, State: dfuERROR
13:36:57:483 : sending a clear status request
13:36:57:484 : an error occured after sending the clear status request
13:36:57:484 : Status: errUNKNOWN, State: dfuERROR
13:36:57:484 : sending a clear status request
13:36:57:487 : an error occured after sending the clear status request
13:36:57:487 : Status: errUNKNOWN, State: dfuERROR
13:36:57:487 : sending a clear status request
13:36:57:489 : DFU status = 14
13:36:57:489 : DFU State = 10
13:36:57:489 : an error occured after sending the clear status request
13:36:57:491 : Status: errUNKNOWN, State: dfuERROR
13:36:57:491 : sending a clear status request
13:36:57:491 : DFU status = 0
13:36:57:491 : DFU State = 2
13:36:57:491 : UpLoading data
13:36:57:507 : DFU status = 0
13:36:57:507 : DFU State = 2
13:36:57:507 : sending a set alternate setting request with index: 3
13:36:57:507 : Memory Programming ...
13:36:57:507 : Opening and parsing file: fip-stm32mp153a-xpro-mp1-mx-optee.bin
13:36:57:509 :   File          : fip-stm32mp153a-xpro-mp1-mx-optee.bin
13:36:57:511 :   Size          : 1.41 MB 
13:36:57:511 :   Partition ID  : 0x03 
13:36:57:511 : Download in Progress:
13:36:57:512 :   Size          : 1483254 Bytes
13:36:57:512 : sending packet nbr: 0
13:36:57:512 : Status: 14, State: 10
13:36:57:512 : sending a clear status request
13:36:57:513 : an error occured after sending the clear status request
13:36:57:513 : Status: errUNKNOWN, State: dfuERROR
13:36:57:513 : sending a clear status request
13:36:57:516 : an error occured after sending the clear status request
13:36:57:516 : Status: errUNKNOWN, State: dfuERROR
13:36:57:516 : sending a clear status request
13:36:57:516 : DFU status = 14
13:36:57:516 : DFU State = 10
13:36:57:516 : an error occured after sending the clear status request
13:36:57:516 : Status: errUNKNOWN, State: dfuERROR
13:36:57:517 : sending a clear status request
13:36:57:517 : DFU status = 0
13:36:57:518 : DFU State = 2
13:36:57:519 : DFU status = 0
13:36:57:519 : DFU State = 3
13:36:57:519 : DFU status = 0
13:36:57:519 : DFU State = 5
13:36:57:519 : sending packet nbr: 1
13:36:57:519 : DFU status = 0
13:36:57:519 : DFU State = 5
13:36:57:519 : Status: 0, State: 5
13:36:57:519 : DFU status = 0
13:36:57:519 : DFU State = 3
13:36:57:519 : Error during download get_status
13:36:57:519 : Error: failed to download Segment[0]
13:36:57:519 : Error: failed to download the File
13:36:57:538 : Error: Download partition 0x03 failed
13:36:57:560 : Error: TSV flashing service failed

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6 REPLIES 6
JKell.6
Associate III

‎2023-02-09 12:24 PM

Is there not a version of this for TF-A? It almost seems like it's waiting for something to happen on the USB/DFU side but it never does. Eventually just times out. Custom target does not use USB OTG VBUS or USB OTG ID.

&usbotg_hs {
	u-boot,force-b-session-valid;
	dr_mode = "peripheral";
};

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PatrickF
ST Employee

‎2023-02-09 11:56 PM

Hi @Community member​ 

according to https://wiki.st.com/stm32mpu/wiki/OTG_device_tree_configuration#DT_configuration_example_as_high-speed_OTG_in_Host_or_Peripheral_mode-2C_with_micro-B_or_Type-C_connector-2C_and_with_VBUS_and_ID_left_unconnected

you need to add also:

usb-role-switch;

role-switch-default-mode = "peripheral";

Don't know if the various warning around VDD setting on your TF-A boot log might hurt.

Btw (maybe not the root cause of error), I see that your TF-A version (v2.6-stm32mp1-r2.0) is maybe not aligned with the Ecocsystem version (openstlinux-5.15-yocto-kirkstone-mp1-v22.06.15)

Regards

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JKell.6
Associate III
In response to PatrickF

‎2023-02-10 6:37 AM

Hi Patrick,

Great catch! That's one Wiki page set I haven't run across. I'll give that a go in the TF-A DTS file.

As for the VDD warning, that's from my addition to get around my fixed power supply. I found nothing very concise on handling not using a PMIC but found example DTS's and parroted those. Here's how I've done that. Had other regulators listed as well but the compiler didn't like those so removed them.

regulators {
	vdd: regulator-vdd {
		compatible = "regulator-fixed";
		regulator-name = "vdd";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};
};
 
&pwr_regulators {
	pwr-supply = <&vdd>;
};

That's weird my TF-A version isn't aligned with my Ecosystem. It should be, it all came together in 4.1.0 recently.

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JKell.6
Associate III
In response to PatrickF

‎2023-02-10 8:11 AM

So I tried adding the following to the TF-A DTS

&usbotg_hs{
	pinctrl-names = "default";
	pinctrl-0 = <&usb_otg_hs_pins_mx>;
	status = "okay";
 
	/* USER CODE BEGIN usbotg_hs */
	/*compatible = "st,stm32mp15-hsotg", "snps,dwc2";		/* 0: UTMI switch selects the OTG controller */
	/*phys = <&usbphyc_port1 0>;
	/*phy-names = "usb2-phy";								/* could be "host", see USB generic bindings */
	dr_mode = "peripheral";								/* see USB generic bindings */
	usb-role-switch;									/* could be "host", see USB generic bindings */
	role-switch-default-mode = "peripheral";			/* enable OTG */
	/* USER CODE END usbotg_hs */
};

I tried with/without the compatibility and the phy entries. Same result. On the console TF-A is waiting on something to happen over USB it seems. I've added prints to the USB area in TF-A and it repeatedly tries to get started but never does. Sometimes it'll show on the programmer side stage 2 indicating it's going to download the optee bin file but never gets started. Seems to have gotten a little more difficult to track down in source code what's happening so a bit of a challenge to debug.

0693W00000YAU6kQAH.png

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PatrickF
ST Employee

‎2023-02-10 8:40 AM

Did you check for classic pitfalls ?

https://community.st.com/s/article/FAQ-STM32MP1-Bring-up-procedure

Regards.

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JKell.6
Associate III
In response to PatrickF

‎2023-02-10 9:03 AM

Yeah, gone through that several times now.

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