[PATCH v2 6/7] config: stm32f769-disco: Fix internal flash size

Patrice CHOTARD patrice.chotard at foss.st.com
Mon Sep 26 17:56:47 CEST 2022



On 9/26/22 15:05, Patrick DELAUNAY wrote:
> Hi,
> 
> On 9/20/22 18:04, Patrice Chotard wrote:
>> arch-stm32f7/stm32.h file is shared between STM32F746 and STM32F769
>> MCUs. But STM32F769 embeds 2MB of internal flash instead of 1MB for
>> STM32F746. The flash layout is quite similar between the 2 SoCs :
>>
>>     STM32F746             STM32F769
>> 4 *  32KB sectors             4 *  32KB sectors
>> 1 * 128KB sector             1 * 128KB sector
>> 3 * 256KB sectors            7 * 256KB sectors
>>
>> Update sect_sz_kb[] structure and SYS_MAX_FLASH_SECT accordingly.
>>
>> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
>>
>> ---
>>
>> Changes in v2:
>>    - Remove SYS_UBOOT_FLAG from stm32f746-disco.h
>>
>>   arch/arm/include/asm/arch-stm32f7/stm32.h | 6 +++---
>>   configs/stm32f769-disco_defconfig         | 2 +-
>>   configs/stm32f769-disco_spl_defconfig     | 2 +-
>>   3 files changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/arch/arm/include/asm/arch-stm32f7/stm32.h b/arch/arm/include/asm/arch-stm32f7/stm32.h
>> index 3451e74a3d..57db839e8d 100644
>> --- a/arch/arm/include/asm/arch-stm32f7/stm32.h
>> +++ b/arch/arm/include/asm/arch-stm32f7/stm32.h
>> @@ -10,9 +10,9 @@
>>   #include <asm/arch-stm32/stm32f.h>
>>     static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
>> -    [0 ... 3] =    32 * 1024,
>> -    [4] =        128 * 1024,
>> -    [5 ... 7] =    256 * 1024
>> +    [0 ... 3] =                32 * 1024,
>> +    [4] =                    128 * 1024,
>> +    [5 ... CONFIG_SYS_MAX_FLASH_SECT - 1] =    256 * 1024
>>   };
>>     #endif /* _ASM_ARCH_HARDWARE_H */
>> diff --git a/configs/stm32f769-disco_defconfig b/configs/stm32f769-disco_defconfig
>> index 423af7446a..5b5307ca1d 100644
>> --- a/configs/stm32f769-disco_defconfig
>> +++ b/configs/stm32f769-disco_defconfig
>> @@ -41,7 +41,7 @@ CONFIG_MTD=y
>>   CONFIG_DM_MTD=y
>>   CONFIG_MTD_NOR_FLASH=y
>>   CONFIG_STM32_FLASH=y
>> -CONFIG_SYS_MAX_FLASH_SECT=8
>> +CONFIG_SYS_MAX_FLASH_SECT=12
>>   CONFIG_DM_SPI_FLASH=y
>>   CONFIG_SPI_FLASH_MACRONIX=y
>>   CONFIG_SPI_FLASH_STMICRO=y
>> diff --git a/configs/stm32f769-disco_spl_defconfig b/configs/stm32f769-disco_spl_defconfig
>> index b56d88f9f6..b5d54b48ec 100644
>> --- a/configs/stm32f769-disco_spl_defconfig
>> +++ b/configs/stm32f769-disco_spl_defconfig
>> @@ -63,7 +63,7 @@ CONFIG_MTD=y
>>   CONFIG_DM_MTD=y
>>   CONFIG_MTD_NOR_FLASH=y
>>   CONFIG_STM32_FLASH=y
>> -CONFIG_SYS_MAX_FLASH_SECT=8
>> +CONFIG_SYS_MAX_FLASH_SECT=12
>>   CONFIG_DM_SPI_FLASH=y
>>   CONFIG_SPI_FLASH_MACRONIX=y
>>   CONFIG_SPI_FLASH_STMICRO=y
> 
> 
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> 
> Thanks
> Patrick
> 
Applied to u-boot-stm32/next

Thanks


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