[PATCH v7 05/21] arm: mvebu: x530: Use tiny SPI NOR
Pratyush Yadav
p.yadav at ti.com
Fri Sep 4 17:39:33 CEST 2020
Chris,
On 04/09/20 09:04PM, Pratyush Yadav wrote:
> The SPI NOR core will get Octal DTR in following commits. This has
> presented a significant challenge of keeping the SPL size in check on
> the x530 platform.
>
> On a previous iteration of the series, adding a set of compile-time
> switches got the build working. But rebasing on the latest master breaks
> the build again. We are fighting a losing battle here. Every addition to
> either the SPI NOR core in the future, or any other core part of U-Boot
> will potentially lead to the SPL size going beyond the limit and the
> build failing.
>
> To combat this we will have to keep adding more and more compile-time
> switches, increasing the complexity of the code in the process. This is
> not sustainable. So use tiny SPI NOR instead. It is designed with
> size-limited SPL binaries in mind, and will afford us more breathing
> room.
>
> To enable tiny SPI NOR, CONFIG_SPI_FLASH_BAR has to be disabled.
>
> Signed-off-by: Pratyush Yadav <p.yadav at ti.com>
> ---
> configs/x530_defconfig | 1 -
> 1 file changed, 1 deletion(-)
Can you please test these changes on your board and confirm that tiny
SPI NOR works for you?
> diff --git a/configs/x530_defconfig b/configs/x530_defconfig
> index 890c94b5c1..0570dbe9ea 100644
> --- a/configs/x530_defconfig
> +++ b/configs/x530_defconfig
> @@ -62,7 +62,6 @@ CONFIG_SYS_NAND_USE_FLASH_BBT=y
> CONFIG_NAND_PXA3XX=y
> CONFIG_SF_DEFAULT_BUS=1
> CONFIG_SF_DEFAULT_SPEED=50000000
> -CONFIG_SPI_FLASH_BAR=y
> CONFIG_SPI_FLASH_MACRONIX=y
> CONFIG_SPI_FLASH_STMICRO=y
> CONFIG_SPI_FLASH_SST=y
--
Regards,
Pratyush Yadav
Texas Instruments India
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