Crash when boot from nor.

[uouox]

When I try to boot from NOR flash, it always crash.

The console has the log like this.

INFO:  PMIC version = 0x21

INFO:  Reset reason (0x15):

INFO:   Power-on Reset (rst_por)

INFO:  FCONF: Reading TB_FW firmware configuration file from: 0x2ffe2000

INFO:  FCONF: Reading firmware configuration information for: stm32mp_io

INFO:  Using QSPI NOR

INFO:   Instance 1

INFO:  Boot used partition fsbl1

NOTICE: BL2: v2.6-stm32mp1-r2.0(debug):()

NOTICE: BL2: Built : 07:26:18, Dec 11 2022

WARNING: Error in spi_mem_support

WARNING: Failed to read image id=12 (-45)

WARNING: loading of FWU-Metadata failed, using Bkup-FWU-Metadata

WARNING: Error in spi_mem_support

WARNING: Failed to read image id=13 (-45)

ERROR:  loading of Bkup-FWU-Metadata failed

PANIC at PC : 0x2ffea2eb

Exception mode=0x00000016 at: 0x2ffea2eb

Where is the wrong config?

[PatrickF]

Hi @uouox​ 

Maybe your Flashlayout was missing the metadata partitions when your programmed your NOR-Flash.

Please have a look to https://wiki.st.com/stm32mpu/wiki/STM32CubeProgrammer_flashlayout#Typical_flashlayout-tsv_file

Regards,

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[uouox]

I have written the meta partition like the one from the flashlayout doc.

tsv like htis

#Opt Id Name Type IP Offset Binary

- 0x01 fsbl-boot Binary none 0x0 debug-tf-a-stm32mp157a-mp12-mx-usb.stm32

- 0x03 fip-boot FIP none 0x0 fip.bin

PD 0x04 fsbl1 Binary nor0 0x00000000 debug-tf-a-stm32mp157a-mp12-mx-nor.stm32

PD 0x05 fsbl2 Binary nor0 0x00040000 debug-tf-a-stm32mp157a-mp12-mx-nor.stm32

PD 0x06 metadata1 Binary nor0 0x00080000 metadata.bin

PD 0x07 metadata2 Binary nor0 0x000C0000 metadata.bin

PD 0x08 fip-a FIP nor0 0x00100000 fip.bin

PED 0x09 fip-b FIP nor0 0x00500000 none

PED 0x0A u-boot-env Binary nor0 0x00900000 none

PE 0x0B unused Binary nor0 0x00980000 none

[uouox]

Finally figured out the problem.

The NOR platform setting code in plat_get_nor_data() does not honor the data bus width setting the DTS file.

[PatrickF]

HI @uouox​ 

could you please elaborate on the issue/solution ?

Which data bus width are you using/expecting (I assume it is 4-data).

Do you think it is a bug in our TF-A delivery ?

If relevant, could you share the fix ?

Regards.