[U-Boot] [PATCH 2/2] arm: socfpga: config: Remove hard-coded drvsel and smpsel

[Marek Vasut <marex@denx.de>]

On Thursday, August 20, 2015 at 07:15:25 AM, Chin Liang See wrote:
> Hi Marek,

Hi,

> On Wed, 2015-08-19 at 03:22 -0500, Chin Liang See wrote:
> > Hi,
> > 
> > On Wed, 2015-08-19 at 09:37 +0200, marex at denx.de wrote:
> > > On Wednesday, August 19, 2015 at 07:55:14 AM, Chin Liang See wrote:
> > > > Remove hard-coded SDMMC timing parameter drvsel and smplsel.
> > > > This setting now will come from SDMMC calibration
> > > > 
> > > > Signed-off-by: Chin Liang See <clsee@altera.com>
> > > > Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
> > > > Cc: Pavel Machek <pavel@denx.de>
> > > > Cc: Marek Vasut <marex@denx.de>
> > > > Cc: Wolfgang Denk <wd@denx.de>
> > > > Cc: Stefan Roese <sr@denx.de>
> > > > Cc: Tom Rini <trini@konsulko.com>
> > > > ---
> > > > 
> > > >  include/configs/socfpga_common.h |    2 --
> > > >  1 files changed, 0 insertions(+), 2 deletions(-)
> > > > 
> > > > diff --git a/include/configs/socfpga_common.h
> > > > b/include/configs/socfpga_common.h index 5ca45a9..1ca795c 100644
> > > > --- a/include/configs/socfpga_common.h
> > > > +++ b/include/configs/socfpga_common.h
> > > > @@ -155,8 +155,6 @@
> > > > 
> > > >  #define CONFIG_DWMMC
> > > >  #define CONFIG_SOCFPGA_DWMMC
> > > >  #define CONFIG_SOCFPGA_DWMMC_FIFO_DEPTH	1024
> > > 
> > > I believe this is pulled from DT nowaways, so feel free to send a
> > > separate patch to remove this from here and README.socfpga.
> > > 
> > > > -#define CONFIG_SOCFPGA_DWMMC_DRVSEL	3
> > > > -#define CONFIG_SOCFPGA_DWMMC_SMPSEL	0
> > > 
> > > Certainly, I agree, this horribleness should go away.
> > > 
> > > >  /* FIXME */
> > > >  /* using smaller max blk cnt to avoid flooding the limited stack we
> > > >  have
> > > > 
> > > > */ #define CONFIG_SYS_MMC_MAX_BLK_COUNT	256	/* FIXME -- SPL 
only? */
> > > 
> > > Now that you're digging in the SD/MMC stuff -- is this still relevant
> > > at all? I don't think so, so you should be able to remove this as well
> > > (again, in a separate patch and with a sufficient amount of testing).
> > 
> > Ok, let me take a look into this.
> 
> I further checked and we still need this.

Why ?

> But I believe all these info can be moved to dts.

Is this a property (limitation) of the hardware ?

> Let mark this as future enhancement.

This is a current FIXME ;-)

[...]

Best regards,
Marek Vasut