[U-Boot] [PATCH v2 1/4] arm: socfpga: cyclone5-socdk: Enabling U-Boot environment in QSPI

[Chin Liang See <clsee@altera.com>]

On Sat, 2015-12-12 at 04:23 +0100, Marek Vasut wrote:
> On Saturday, December 12, 2015 at 01:47:38 AM, Chin Liang See wrote:
> > Enabling the support of storing U-Boot environment
> > within serial NOR flash. By default, its still
> > store into SDMMC
> > 
> > Signed-off-by: Chin Liang See <clsee@altera.com>
> > Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
> > Cc: Dinh Nguyen <dinh.linux@gmail.com>
> > Cc: Pavel Machek <pavel@denx.de>
> > Cc: Marek Vasut <marex@denx.de>
> > Cc: Stefan Roese <sr@denx.de>
> > ---
> > Changes for v2
> > - remove the undef
> > ---
> >  include/configs/socfpga_cyclone5_socdk.h | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/include/configs/socfpga_cyclone5_socdk.h
> > b/include/configs/socfpga_cyclone5_socdk.h index 67bb35f..340b2c7
> > 100644
> > --- a/include/configs/socfpga_cyclone5_socdk.h
> > +++ b/include/configs/socfpga_cyclone5_socdk.h
> > @@ -58,9 +58,15 @@
> > 
> >  #endif
> > 
> > +/* U-Boot environment */
> >  #define CONFIG_ENV_IS_IN_MMC
> > +#ifdef CONFIG_ENV_IS_IN_MMC
> >  #define CONFIG_SYS_MMC_ENV_DEV		0	/* device 0
> > */
> >  #define CONFIG_ENV_OFFSET		512	/* just after
> > the MBR */
> > +#elif CONFIG_ENV_IS_IN_SPI_FLASH
> > +#define CONFIG_ENV_SECT_SIZE		(64 * 1024)
> > +#define CONFIG_ENV_OFFSET		0x400000
> 
> The offset of the env is therefore 4 MiB, right ? This does not match
> with
> the other patch:
> 
> [PATCH 1/6] arm: socfpga: cyclone5-socdk: Enabling mtd partitioning
> layout
> 

Oops good catch as I should use 256kB, not 4MB. Let fix that.

> Please be more careful next time. Also, it might make sense to enable
> redundant environment in QSPI NOR.
> 

Yah, I plan to put the environment to be larger so this is possible in
the future.

Thanks
Chin Liang


> Best regards,
> Marek Vasut