[U-Boot] [PATCH v2 3/7] stm32: stm32f7: add spl build support

[Vikas Manocha]

One other point,

On 08/10/2017 11:07 AM, Vikas Manocha wrote:
> Hi Robert,
> 
> On 08/10/2017 11:03 AM, Robert Nelson wrote:
>> Hi Vikas,
>>
>> On Sun, May 28, 2017 at 2:55 PM, Vikas Manocha <vikas.manocha at st.com> wrote:
>>> This commit supports booting from stm32 internal nor flash. spl U-Boot
>>> initializes the sdram memory, copies next image (e.g. standard U-Boot)
>>> to sdram & then jumps to entry point.
>>>
>>> Here are the flash memory addresses for U-Boot-spl & standard U-Boot:
>>>         - spl U-Boot            : 0x0800_0000
>>>         - standard U-Boot       : 0x0800_8000
>>
>> Is there another patchset missing on mainline for booting via spl?
> 
> No, you just need to flash spl & next image at above mentioned addresses. By default spl expects kernel image. 
> 
> To boot u-boot, press keyboard character 'c'.
> you might need to keep on pressing 'c' it for some time as the keyboard entry acceptance & detection window is very small.
> 
> Cheers,
> Vikas
> 
>>
>> on mainline with the stm32f746-disco board:
>>
>> U-Boot SPL 2017.09-rc1-00177-gd529124fdc (Aug 10 2017 - 12:33:35)
>> Trying to boot from XIP
>> Hard fault
>> pc : 08008008    lr : 08000adb    xPSR : 21000000
>> r12 : 2004f338   r3 : 00000005    r2 : 081c0000
>> r1 : ffffff9a    r0 : 00000000
>> Resetting CPU ...
>>
>> resetting ...
>>
>> I'm using openocd to program
>>
>> openocd -f board/stm32f7discovery.cfg \
>>   -c "init" \
>>   -c "reset init" \
>>   -c "flash probe 0" \
>>   -c "flash write_image erase ./spl/u-boot-spl.bin 0x08000000" \
>>   -c "flash write_image erase ./u-boot.img 0x08008000" \

it should be u-boot-dtb.bin.

Cheers,
Vikas

>>   -c "reset run" \
>>   -c "shutdown"
>>
>> Regards,
>>