From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jagan Teki <jteki@openedev.com>
Date: Thu, 10 Mar 2016 23:28:24 +0530
Subject: [U-Boot] [RESEND 1/2] stm32: stm32f4: move flash driver to mtd
 driver location
In-Reply-To: <1E25CFEBFF5B6D40BBC7682080D80524380A276398@SAFEX1MAIL5.st.com>
References: <1457565497-9822-1-git-send-email-vikas.manocha@st.com>
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 <1E25CFEBFF5B6D40BBC7682080D80524380A276395@SAFEX1MAIL5.st.com>
 <56E1B2E9.9030904@openedev.com>
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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@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? then please convert this into MTD driver model format.

If needed take an example of existing MTD uclass driver.