linux-kernel - Re: [PATCH v4 1/6] mtd: nand: vf610_nfc: Freescale NFC for VF610, MPC5125 and others

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Message-ID: <20150603081059.GA6944@breakpoint.cc>
Date:	Wed, 3 Jun 2015 10:10:59 +0200
From:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
To:	Stefan Agner <stefan@...er.ch>
Cc:	dwmw2@...radead.org, computersforpeace@...il.com,
	mark.rutland@....com, boris.brezillon@...e-electrons.com,
	aaron@...tycactus.com, marb@...at.de, pawel.moll@....com,
	ijc+devicetree@...lion.org.uk, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, robh+dt@...nel.org,
	linux-mtd@...ts.infradead.org, kernel@...gutronix.de,
	galak@...eaurora.org, shawn.guo@...aro.org,
	linux-arm-kernel@...ts.infradead.org, bpringlemeir@...ps.com
Subject: Re: [PATCH v4 1/6] mtd: nand: vf610_nfc: Freescale NFC for VF610,
 MPC5125 and others

On 2015-03-25 17:28:24 [+0100], Stefan Agner wrote:
> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
> new file mode 100644
> index 0000000..23c1510
> --- /dev/null
> +++ b/drivers/mtd/nand/vf610_nfc.c
…
> +static void vf610_nfc_addr_cycle(struct vf610_nfc *nfc, int column, int page)
> +{
> +	if (column != -1) {
> +		if (nfc->chip.options | NAND_BUSWIDTH_16)
> +			column = column/2;
> +		vf610_nfc_set_field(nfc, NFC_COL_ADDR, COL_ADDR_MASK,
> +				    COL_ADDR_SHIFT, column);
> +	}
> +	if (page != -1)
> +		vf610_nfc_set_field(nfc, NFC_ROW_ADDR, ROW_ADDR_MASK,
> +				    ROW_ADDR_SHIFT, page);
> +}

Do you have here also a different NAND layout on your boot-page vs
remaining pages? The mpc5125 has this different layout.

Sebastian
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