[U-Boot] [RFC 0/9] Convert Pico-Pi i.MX7D to DM

[Offouga Joris]

> Le 15 févr. 2019 à 12:50, Lukasz Majewski <lukma at denx.de> a écrit :
> 
> Hi Fabio,
> 
>> Hi Lukasz,
>> 
>> On Wed, Jan 23, 2019 at 7:01 PM Joris Offouga
>> <offougajoris at gmail.com> wrote:
>> 
>>> Hi Lukasz,
>>> 
>>>> Please check if malloc pool size (in Kconfig) is large enough to
>>>> handle DFU requests.  
>>> The dfu request is smaller than the size of malloc pool size  
>>>> 
>>>> Otherwise, please #define DEBUG in ./drivers/dfu.c and dfu_mmc.c
>>>> and share output.  
>>> 
>>> This is a log when dfu failed :
>>> 
>>> blk_find_device: if_type=6, devnum=0: usdhc at 30b40000.blk, 6, 2
>>> blk_find_device: if_type=6, devnum=0: usdhc at 30b50000.blk, 6, 1
>>> blk_find_device: if_type=6, devnum=0: usdhc at 30b60000.blk, 6, 0
>>> Request would exceed designated area!
> 
> Please carefully check the eMMC partition size (as defined in
> dfu_alt_info) and the size of sent data.

Hi Fabio

I followed Lukasz's advice and I increased the size of the U-Boot in the dfu_alt_info and there is no more error. However, once the SPL and U-Boot are changed and the board  reboots with the jumper in Boot from emmc, the SPL can not load the U-Boot.

Best Regards 

Joris Offouga 
> This error happens when one wants to write bigger file than the
> reported space on the partition.
> 
> Please look at drivers/dfu/dfu_mmc.c Line: 44
> 
>>> dfu_write_buffer_drain: Write error!
>>> #Deferred dfu_flush() failed!reset_config:
>>> unbind function 'dfu'/9ef6e678
>>> g_dnl_unbind: calling usb_gadget_disconnect for controller
>>> 'ci_udc'  
>> 
>> Do you have any idea on this issue, please?
>> 
>> This DFU bug is one of the items that is blocking the DM conversion of
>> this board.
>> 
>> Thanks
> 
> 
> 
> 
> Best regards,
> 
> Lukasz Majewski
> 
> --
> 
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