[U-Boot] [PATCH] ram: stm32_sdram: Adds stm32f746-disco fix for HardFault at booting

Patrice CHOTARD patrice.chotard at st.com
Thu Aug 2 12:14:04 UTC 2018


Hi again Mark ;-)

I dig into this issue and i think a better fix must be done directly 
into the board/st/stm32f746-disco/stm32f746-disco.c.

At the same occasion, some cleaning can be done using last fdtdec_xxx() API.

I will submit a patch for that which fix the issue you saw.

Thanks

Patrice

On 08/02/2018 12:39 PM, Patrice CHOTARD wrote:
> Hi Mark
> 
> +Vikas
> 
> On 08/01/2018 01:08 PM, Mark Olsson wrote:
>> - changes ram start address to 0xC0000000
> 
> In the commit header, indicate that this patch is a fix
> 
> Indicates also in the commit message that this patch fixes a regression
> by adding the commit which brings this regression :
> 
> Commit 1473b12ad0b3 ("lib: fdtdec: Update ram_base to store ram start
> adddress") blablabla
> 
> 
>>
>> Signed-off-by: Mark Olsson <post at markolsson.se>
>> Cc: Vipin Kumar <vk.vipin at gmail.com>
> 
> For information, don't forget to add maintainers in To: by using
> get_maintainer script as following:
> 
> ./scripts/get_maintainer.pl -f include/configs/stm32f746-disco.h
> Vikas Manocha <vikas.manocha at st.com> (maintainer:STM32F746 DISCOVERY BOARD)
> u-boot at lists.denx.de (open list)
> 
>> ---
>>    include/configs/stm32f746-disco.h | 2 ++
>>    1 file changed, 2 insertions(+)
>>    mode change 100644 => 100755 include/configs/stm32f746-disco.h
>>
>> diff --git a/include/configs/stm32f746-disco.h b/include/configs/stm32f746-disco.h
>> old mode 100644
>> new mode 100755
>> index 567e7f2a00..238d4e939f
>> --- a/include/configs/stm32f746-disco.h
>> +++ b/include/configs/stm32f746-disco.h
>> @@ -21,6 +21,8 @@
>>     * Configuration of the external SDRAM memory
>>     */
>>    #define CONFIG_NR_DRAM_BANKS		1
>> +#define CONFIG_SYS_RAM_BASE		0xC0000000
>> +#define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_RAM_BASE
>>    
>>    #define CONFIG_SYS_MAX_FLASH_SECT	8
>>    #define CONFIG_SYS_MAX_FLASH_BANKS	1
>>
> 
> 
> Thanks for your patch.
> 
> Patrice
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