[U-Boot] [RESEND 1/2] stm32: stm32f4: move flash driver to mtd driver location

[Vikas MANOCHA]

Hi Jagan,

> -----Original Message-----
> From: Jagan Teki [mailto:jteki at openedev.com]
> Sent: Thursday, March 10, 2016 9:58 AM
> To: Vikas MANOCHA
> Cc: u-boot at lists.denx.de; Albert Aribaud; Antonio Borneo; Heiko Schocher;
> Kamil Lulko; Matt Porter; rev13 at wp.pl; Scott Wood; Simon Glass; Stefan
> Roese; Thomas Chou; Vadzim Dambrouski
> Subject: Re: [RESEND 1/2] stm32: stm32f4: move flash driver to mtd driver
> location
> 
> On Thursday 10 March 2016 11:22 PM, Vikas MANOCHA wrote:
> > Hi,
> >
> >> -----Original Message-----
> >> From: Jagan Teki [mailto:jteki at openedev.com]
> >> Sent: Thursday, March 10, 2016 9:46 AM
> >> To: Vikas MANOCHA
> >> Cc: u-boot at lists.denx.de; Albert Aribaud; Antonio Borneo; Heiko
> >> Schocher; Kamil Lulko; Matt Porter; rev13 at wp.pl; Scott Wood; Simon
> >> Glass; Stefan Roese; Thomas Chou; Vadzim Dambrouski
> >> Subject: Re: [RESEND 1/2] stm32: stm32f4: move flash driver to mtd
> >> driver location
> >>
> >> On Thursday 10 March 2016 11:11 PM, Vikas MANOCHA wrote:
> >>> Hi Jagan,
> >>>
> >>>> -----Original Message-----
> >>>> From: jteki at openedev.com [mailto:jteki at openedev.com]
> >>>> Sent: Wednesday, March 09, 2016 9:02 PM
> >>>> To: Vikas MANOCHA
> >>>> Cc: u-boot at lists.denx.de; Albert Aribaud; Antonio Borneo; Heiko
> >>>> Schocher; Kamil Lulko; Matt Porter; rev13 at wp.pl; Scott Wood; Simon
> >>>> Glass; Stefan Roese; Thomas Chou; Vadzim Dambrouski
> >>>> Subject: Re: [RESEND 1/2] stm32: stm32f4: move flash driver to mtd
> >>>> driver location
> >>>>
> >>>> On 2016-03-09 23:18, Vikas MANOCHA wrote:
> >>>>> Hi Jagan ,
> >>>>>
> >>>>>> On Mar 9, 2016, at 6:53 PM, Jagan Teki <jteki at openedev.com>
> wrote:
> >>>>>>
> >>>>>>> On Thursday 10 March 2016 04:48 AM, Vikas Manocha wrote:
> >>>>>>> Same flash driver can be used by other stm32 families like stm32f7.
> >>>>>>> Better place for this driver would be mtd driver location.
> >>>>>>
> >>>>>> What kind of flash is it, parallel or serial NOR?
> >>>>>
> >>>>> It is embedded 256 bit NOR flash.
> >>>>
> >>>> OK, I thought it's similar to SST25L.
> >>>>
> >>>> Can't we detect this through cfi_flash framework?
> >>>
> >>> No, it is not possible.
> >>
> >> Sorry, please add some details why it couldn't?
> >
> > The embedded flash in stm32 is not cfi flash. Cfi tables to find the flash
> characteristics are not implemented.
> 
> OK, all your saying that this not quite exactly a cfi, different kind wrt sst32.
> true? 

Yes, flash is embedded in the stm32 micro & details like data width etc are not relevant for the user.
Sst32  ? , sorry but I am not aware of it and sst32L.

>then please convert this into MTD driver model format.
> 
> If needed take an example of existing MTD uclass driver.

Can you please point me to it ?

Cheers,
Vikas