[PATCH 2/2] mvebu: enable 4K sectors config option

[Enrico Mioso]

On Mon, Jul 01, 2024 at 11:52:05AM +0200, Thibaut wrote:
> Hi,
> 
> Disclaimer: I know nothing about this arch or this hw, however this CONFIG will make the entire flash storage significantly slower. Have you considered CONFIG_MTD_SPI_NOR_USE_VARIABLE_ERASE ? It allows writing to partitions that do not fit a 64K EB by selectively using 4K EB.
> 
> Cheers,
> T

Hi!

I didn't know about this option. I will try that out and come back with result.

Thanks a lot,

Enrico



> 
> > Le 1 juil. 2024 à 09:37, Enrico Mioso <mrkiko.rs at gmail.com> a écrit :
> > 
> > Enable the CONFIG_MTD_SPI_NOR_USE_4K_SECTORS kernel option to allow for
> > U-Boot environment writing. This might be hiding a problem somewhere else,
> > since the w25q128fw chip supports 32K erases, still this change makes it
> > much easier to switch the GL-MV1000 boot media without an UART cable
> > connection.
> > 
> > Thanks to @robimarko for the precious hints.
> > 
> > Signed-off-by: Enrico Mioso <mrkiko.rs at gmail.com>
> > ---
> > target/linux/mvebu/config-6.6 | 1 +
> > 1 file changed, 1 insertion(+)
> > 
> > diff --git a/target/linux/mvebu/config-6.6 b/target/linux/mvebu/config-6.6
> > index 88e5fff4d9..b8302eb798 100644
> > --- a/target/linux/mvebu/config-6.6
> > +++ b/target/linux/mvebu/config-6.6
> > @@ -270,6 +270,7 @@ CONFIG_MTD_NAND_ECC_SW_HAMMING=y
> > CONFIG_MTD_NAND_MARVELL=y
> > CONFIG_MTD_RAW_NAND=y
> > CONFIG_MTD_SPI_NOR=y
> > +CONFIG_MTD_SPI_NOR_USE_4K_SECTORS=y
> > CONFIG_MTD_SPLIT_FIRMWARE=y
> > CONFIG_MTD_UBI=y
> > CONFIG_MTD_UBI_BEB_LIMIT=20
> > -- 
> > 2.45.2
> > 
> > 
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>