[PATCH] ARM: stm32: Add update_sf script to install U-Boot into SF on DHSOM

[Marek Vasut]

On 11/30/21 11:28, Patrice CHOTARD wrote:
> HI Marek
> 
> On 11/15/21 12:23 PM, Patrick DELAUNAY wrote:
>> Hi Marek,
>>
>> On 11/13/21 3:25 AM, Marek Vasut wrote:
>>> Add script to read U-Boot from SD card and write it to matching
>>> locations in the SPI NOR, thus making the SPI NOR bootable. The
>>> script erases the entire SPI NOR, including U-Boot environment,
>>> to make sure the installation is clean. To retain environment
>>> from current running U-Boot, run 'saveenv' after running the
>>> 'update_sf' script.
>>>
>>> Signed-off-by: Marek Vasut <marex at denx.de>
>>> Cc: Patrice Chotard <patrice.chotard at foss.st.com>
>>> Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
>>> ---
>>>    include/configs/stm32mp15_dh_dhsom.h | 12 +++++++++++-
>>>    1 file changed, 11 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/include/configs/stm32mp15_dh_dhsom.h b/include/configs/stm32mp15_dh_dhsom.h
>>> index bac9e8388a7..b68e153f10b 100644
>>> --- a/include/configs/stm32mp15_dh_dhsom.h
>>> +++ b/include/configs/stm32mp15_dh_dhsom.h
>>> @@ -9,7 +9,17 @@
>>>    #define __CONFIG_STM32MP15_DH_DHSOM_H__
>>>      #define STM32MP_BOARD_EXTRA_ENV \
>>> -    "usb_pgood_delay=1000\0"
>>> +    "usb_pgood_delay=1000\0" \
>>> +    "update_sf=" /* Erase SPI NOR and install U-Boot from SD */    \
>>> +        "setexpr loadaddr1 ${loadaddr} + 0x1000000 && "        \
>>> +        "load mmc 0:4 ${loadaddr1} /boot/u-boot-spl.stm32 && "    \
>>> +        "env set filesize1 ${filesize} && "            \
>>> +        "load mmc 0:4 ${loadaddr} /boot/u-boot.itb && "        \
>>> +        "sf probe && sf erase 0 0x200000 && "            \
>>> +        "sf update ${loadaddr1} 0 ${filesize1} && "        \
>>> +        "sf update ${loadaddr1} 0x40000 ${filesize1} && "    \
>>> +        "sf update ${loadaddr} 0x80000 ${filesize} && "        \
>>> +        "env set filesize1 && env set loadaddr1\0"
>>>      #include <configs/stm32mp15_common.h>
>>>    
>>
>>
>>
>> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
>>
>> Thanks
>> Patrick
>>
>>
>>
> Applied to u-boot-stm32/next

I would prefer if all this stuff went into 2022.01 , it is isolated to 
the DH boards after all and it was posted before rc2.