From: bpringlemeir@nbsps•com (Bill Pringlemeir)
To: linux-arm-kernel@lists•infradead.org
Subject: [RFC 1/5] mtd:fsl_nfc: Nand flash controller for VF610, MPC5125, etc.
Date: Mon, 28 Apr 2014 12:51:52 -0400 [thread overview]
Message-ID: <87mwf5v1lj.fsf@nbsps.com> (raw)
In-Reply-To: <708e6f84e177e1d02310358688b44c53@agner.ch> (Stefan Agner's message of "Mon, 28 Apr 2014 16:41:48 +0200")
On 28 Apr 2014, stefan at agner.ch wrote:
> The driver works fine for me using 3.14 on Colibri VF61 (8-Bit bus
> width, Samsung NAND, 2k page size). Also tested with the Hardware ECC.
> Do you plan to send an update patch of the driver?
> FYI, I ported the driver to U-Boot and will send a patch to the U-Boot
> mailing list soon.
> Some minor comments below:
Well, I would love it if there are only 'minor comments'. I don't think
people will like the 'nfc' name. I wanted a better name. Also, the
'linux-mtd' list bounced my post because I used some 'Ref:' to refer to
another message. It also bounce on the ARM list, but some kind
moderator put it through.
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-January/226623.html
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-January/226627.html
etc.
Besides the Vybrid, the controller can support several other SOCs (some
ARM, some note), Such as the MPC5125 (PowerPC), MCF54418 (ColdFire) and
the Kinetis K70 (ARM Cortex-M).
I also have some tickets open on the Hardware ECC with the Vybrid.
https://community.freescale.com/message/358284 - booting
https://community.freescale.com/message/368216 - ECC value
https://community.freescale.com/message/384556 - clocking
[There are also non-public freescale PR tickets]
Especially, the ECC layout is important. I think that an HW ECC layout
with sub-page support is best. The Linux-MTD community will want this
to be right.
The email "reference" was a previous email I sent some time ago to the
MTD mailing list. I wondered if anyone was interested and I knew that
people would not like the name 'fsl_nfc'. But I don't know what to call
it; it is a bike shed issue to me (specifics of what to call it), but I
see how people will want to avoid a generic ambigious name like
'fsl_nfc'.
I was waiting to see about the clocking with HW-ECC; it seems above
33MHz, the HW-ECC module doesn't seem to work (at least for me).
Fwiw,
Bill Pringlemeir.
next prev parent reply other threads:[~2014-04-28 16:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87siupheou.fsf@nbsps.com>
2014-01-08 23:07 ` [RFC 0/5] Nand Bill Pringlemeir
2014-01-08 23:07 ` [RFC 1/5] mtd:fsl_nfc: Nand flash controller for VF610, MPC5125, etc Bill Pringlemeir
2014-04-28 14:41 ` Stefan Agner
2014-04-28 16:51 ` Bill Pringlemeir [this message]
2014-04-29 7:50 ` Stefan Agner
2014-04-29 16:36 ` Bill Pringlemeir
2014-01-08 23:07 ` [RFC 2/5] mtd:fsl_nfc: Add hardware 45 byte BHC-ECC support for 24 bit corrections Bill Pringlemeir
2014-09-17 17:02 ` Stefan Agner
2014-09-17 18:06 ` Bill Pringlemeir
2014-09-17 20:08 ` Stefan Agner
2014-09-17 22:21 ` Bill Pringlemeir
2014-12-10 14:56 ` Stefan Agner
2014-12-11 16:44 ` Bill Pringlemeir
2015-03-01 0:38 ` Stefan Agner
2015-03-02 15:05 ` Bill Pringlemeir
2015-03-02 21:39 ` Aaron Brice
2015-03-02 21:44 ` Stefan Agner
2014-01-08 23:07 ` [RFC 3/5] mtd:fsl_nfc: Add device tree documentation Bill Pringlemeir
2014-01-08 23:07 ` [RFC 4/5] imx:vf610: Add device tree support for the fsl_nfc driver and NAND interface Bill Pringlemeir
2014-01-08 23:07 ` [RFC 5/5] imx:vf610: Allow user to enable NAND controller for the VF610 SOC Bill Pringlemeir
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