[PATCH 2/2] arm: stm32: Limit u-boot.itb size to 0x160000 bytes on DH STM32MP15 DHSOM

[Patrice CHOTARD]

On 11/4/23 17:31, Marek Vasut wrote:
> The maximum size of u-boot.itb in SPI NOR on DH STM32MP15 DHSOM is
> 0x160000 . Define this size in U-Boot config to prevent misconfigured
> builds from emitting larger u-boot.itb than the one which fits the
> SPI NOR area reserved for the blob.
> 
> The SPI NOR layout is as follows:
> 0x00_0000..0x03_ffff ... SPL 1
> 0x04_0000..0x07_ffff ... SPL 2
> 0x08_0000..0x1d_ffff ... U-Boot
> 0x1e_0000..0x1e_ffff ... Environment 1
> 0x1f_0000..0x1f_ffff ... Environment 2
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> Cc: Andreas Geisreiter <ageisreiter at dh-electronics.de>
> Cc: Christoph Niedermaier <cniedermaier at dh-electronics.com>
> Cc: Patrice Chotard <patrice.chotard at foss.st.com>
> Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Cc: u-boot at dh-electronics.com
> Cc: uboot-stm32 at st-md-mailman.stormreply.com
> ---
>  configs/stm32mp15_dhcom_basic_defconfig | 2 ++
>  configs/stm32mp15_dhcor_basic_defconfig | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/configs/stm32mp15_dhcom_basic_defconfig b/configs/stm32mp15_dhcom_basic_defconfig
> index 08aac878f8e..1d241529be7 100644
> --- a/configs/stm32mp15_dhcom_basic_defconfig
> +++ b/configs/stm32mp15_dhcom_basic_defconfig
> @@ -25,6 +25,8 @@ CONFIG_SPL_SPI=y
>  CONFIG_SYS_LOAD_ADDR=0xc2000000
>  CONFIG_SYS_MEMTEST_START=0xc0000000
>  CONFIG_SYS_MEMTEST_END=0xc4000000
> +CONFIG_HAS_BOARD_SIZE_LIMIT=y
> +CONFIG_BOARD_SIZE_LIMIT=1441792
>  CONFIG_FIT=y
>  CONFIG_SPL_LOAD_FIT=y
>  CONFIG_SPL_LOAD_FIT_ADDRESS=0xc1000000
> diff --git a/configs/stm32mp15_dhcor_basic_defconfig b/configs/stm32mp15_dhcor_basic_defconfig
> index 8cd6924b580..6e0c4a8cf9f 100644
> --- a/configs/stm32mp15_dhcor_basic_defconfig
> +++ b/configs/stm32mp15_dhcor_basic_defconfig
> @@ -23,6 +23,8 @@ CONFIG_SPL_SPI_FLASH_SUPPORT=y
>  CONFIG_SPL_SPI=y
>  # CONFIG_ARMV7_VIRT is not set
>  CONFIG_SYS_LOAD_ADDR=0xc2000000
> +CONFIG_HAS_BOARD_SIZE_LIMIT=y
> +CONFIG_BOARD_SIZE_LIMIT=1441792
>  CONFIG_FIT=y
>  CONFIG_SPL_LOAD_FIT=y
>  CONFIG_SPL_LOAD_FIT_ADDRESS=0xc1000000
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice