From: Tony Lindgren <tony@atomide.com>
To: Javier Martinez Canillas <javier@dowhile0.org>
Cc: Pekon Gupta <pekon@ti.com>,
Benoit Cousson <bcousson@baylibre.com>,
linux-omap <linux-omap@vger.kernel.org>
Subject: Re: [PATCH v4 6/6] ARM: dts: am335x-evm: fix reg and range property of GPMC NAND node
Date: Mon, 12 May 2014 12:44:01 -0700 [thread overview]
Message-ID: <20140512194401.GA5668@atomide.com> (raw)
In-Reply-To: <CABxcv==icXxn74_zz1YQTq2jvuPyDSSh5ZM_NKA1W3SUzD6EKA@mail.gmail.com>
* Javier Martinez Canillas <javier@dowhile0.org> [140510 10:12]:
> Hello Pekon,
>
> On Fri, May 9, 2014 at 10:46 PM, Pekon Gupta <pekon@ti.com> wrote:
> > 1) NAND device memory is not directly accessible to CPU, its indirectly accessed
> > via registers. So the 'reg' property for GPMC NAND nodes should be limited to
> > address range of internal GPMC registers only.
> > 2) Also, minimum granularity of address space under a GPMC chip-select is 16MB
> > so 'range' property for GPMC NAND node should specify 16MB as its memory-size
>
> This is true for all SoC using the GPMC right? So we need to do the
> same modification for all OMAP boards to avoid mapping a bigger
> address space unnecessarily.
Yes we should fix them all up. See also the commenting standard I suggested
in the parallel NAND series.
Regards,
Tony
next prev parent reply other threads:[~2014-05-12 19:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-09 20:46 [PATCH v4 3/6] ARM: dts: dra7: add support for parallel NAND flash Pekon Gupta
2014-05-09 20:46 ` [PATCH v4 4/6] ARM: dts: am43xx: fix starting offset of NAND.filesystem MTD partition Pekon Gupta
2014-05-10 17:02 ` Javier Martinez Canillas
2014-05-09 20:46 ` [PATCH v4 5/6] ARM: dts: am43x-epos-evm: fix reg and range property of GPMC NAND node Pekon Gupta
2014-05-13 17:32 ` Tony Lindgren
2014-05-09 20:46 ` [PATCH v4 6/6] ARM: dts: am335x-evm: " Pekon Gupta
2014-05-10 17:11 ` Javier Martinez Canillas
2014-05-12 19:44 ` Tony Lindgren [this message]
2014-05-10 17:57 ` [PATCH v4 3/6] ARM: dts: dra7: add support for parallel NAND flash Javier Martinez Canillas
2014-05-12 7:03 ` Gupta, Pekon
2014-05-12 8:49 ` Javier Martinez Canillas
2014-05-12 9:05 ` Gupta, Pekon
2014-05-12 9:08 ` Javier Martinez Canillas
2014-05-14 8:25 ` Roger Quadros
2014-05-14 8:47 ` Gupta, Pekon
2014-05-14 9:00 ` Roger Quadros
2014-05-14 9:09 ` Gupta, Pekon
2014-05-14 9:17 ` Roger Quadros
2014-05-14 9:23 ` Javier Martinez Canillas
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