[PATCH v2] misc: fs_loader: Add QSPI RAW partition loading support

[Ravulapalli, Naresh Kumar]

Hi Marek

On 21-Aug-25 1:49 AM, Marek Vasut wrote:
> 
> On 8/20/25 1:35 PM, Ravulapalli, Naresh Kumar wrote:
>> Hi Marek
>>
>> On 20-Aug-25 4:56 PM, Marek Vasut wrote:
>>>
>>> On 8/20/25 1:20 PM, Ravulapalli, Naresh Kumar wrote:
>>>> Hi Marek
>>>>
>>>> On 20-Aug-25 2:27 PM, Marek Vasut wrote:
>>>>>
>>>>> On 8/20/25 9:53 AM, Naresh Kumar Ravulapalli wrote:
>>>>>> Enhanced the generic firmware loader to support QSPI RAW partition
>>>>>> loading. This would enable FPGA configuration bitstream loading
>>>>>> from QSPI RAW partition to program FPGA.
>>>>>>
>>>>>> Signed-off-by: Tien Fong Chee <tien.fong.chee at altera.com>
>>>>>> Signed-off-by: Naresh Kumar Ravulapalli
>>>>>> <nareshkumar.ravulapalli at altera.com>
>>>>>
>>>>> Why not load from UBI on SPI NOR ?
>>>>
>>>> It is to avoid the storage overhead for metadata and management
>>>> for devices with flash constraints.
>>>
>>> What about data integrity , iirc UBI gives you built-in checksums.
>>>
>>
>> Agree, UBI supports bad block management and other advantages. But
>> the objective here is to support RAW partition for flash constraint
>> devices.
> How is integrity of the data in flash handled in this case ?

RAW partition support and required data integrity handling is user
specific. In our case, we are storing CRC32 checksum in flash and 
computing the checksum on raw data during run time and cross-checking 
the values.