[PATCH v1 4/6] configs: stm32mp13: enable CONFIG_SYS_64BIT_LBA

[Patrice CHOTARD]

On 1/8/25 19:49, Patrick DELAUNAY wrote:
> Hi,
> 
> On 11/29/24 13:27, Patrice Chotard wrote:
>> In arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c, in init_device(),
>> in case of RAW_IMAGE, part->size = block_dev->lba * block_dev->blksz.
>>
>>    _ part->size is declared as u64.
>>    _ block_dev->lba is declared as lbaint_t which is uint64_t
>>      if CONFIG_SYS_64BIT_LBA is enable, otherwise ulong.
>>    _ block_dev->blksz is declared as unsigned long.
>>
>> For example, in case block_dev->lba = 0x1dacc00, block_dev->blksz = 0x200
>> then part->size 0x5980000 which is incorrect as both are declared as ulong.
>>
>> To fix this overflow issue, enable CONFIG_SYS_64BIT_LBA, block_dev->lba is
>> then declared as uint64_t and part->size get the correct value 0x3b5980000.
>>
>> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
>> ---
>>
>>   configs/stm32mp13_defconfig | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/configs/stm32mp13_defconfig b/configs/stm32mp13_defconfig
>> index 7f705808089..e4c92e851e1 100644
>> --- a/configs/stm32mp13_defconfig
>> +++ b/configs/stm32mp13_defconfig
>> @@ -54,6 +54,7 @@ CONFIG_SYS_MMC_ENV_DEV=-1
>>   CONFIG_ENV_MMC_USE_DT=y
>>   CONFIG_BUTTON=y
>>   CONFIG_BUTTON_GPIO=y
>> +CONFIG_SYS_64BIT_LBA=y
>>   CONFIG_CLK_SCMI=y
>>   CONFIG_SET_DFU_ALT_INFO=y
>>   CONFIG_USB_FUNCTION_FASTBOOT=y
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> 
> Thanks
> Patrick
> 
Applied to u-boot-stm32/master

Thanks
Patrice