[PATCH] [MTD] [NAND] pxa3xx: fix timing and cmdset for samsung2GbX8
Lei Wen
leiwen at marvell.com
Mon Aug 16 08:34:38 EDT 2010
Hi Axel,
I suggest not merge your patch into mainline code. Since I have a large series of patch which reconstruct the nand flash definition, this fix would no longer be needed.
Thanks,
Lei
-----Original Message-----
From: Eric Miao [mailto:eric.y.miao at gmail.com]
Sent: 2010年8月16日 20:22
To: Axel Lin
Cc: linux-kernel; David Woodhouse; linux-mtd at lists.infradead.org; Lei Wen; Haojian Zhuang
Subject: Re: [PATCH] [MTD] [NAND] pxa3xx: fix timing and cmdset for samsung2GbX8
Cc'ed Lei and Haojian.
On Mon, Aug 16, 2010 at 4:50 PM, Axel Lin <axel.lin at gmail.com> wrote:
> This patch adds timing settings for samsung2GbX8 and
> fixes the cmdset settings. samsung2GbX8 is large page.
>
> Signed-off-by: Axel Lin <axel.lin at gmail.com>
> ---
> drivers/mtd/nand/pxa3xx_nand.c | 16 ++++++++++++++--
> 1 files changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
> index 4d89f37..47c0442 100644
> --- a/drivers/mtd/nand/pxa3xx_nand.c
> +++ b/drivers/mtd/nand/pxa3xx_nand.c
> @@ -227,9 +227,21 @@ static struct pxa3xx_nand_flash samsung512MbX16 = {
> .chip_id = 0x46ec,
> };
>
> +static struct pxa3xx_nand_timing samsung2GbX8_timing = {
> + .tCH = 5,
> + .tCS = 20,
> + .tWH = 10,
> + .tWP = 12,
> + .tRH = 10,
> + .tRP = 12,
> + .tR = 25000,
> + .tWHR = 60,
> + .tAR = 10,
> +};
> +
> static struct pxa3xx_nand_flash samsung2GbX8 = {
> - .timing = &samsung512MbX16_timing,
> - .cmdset = &smallpage_cmdset,
> + .timing = &samsung2GbX8_timing,
> + .cmdset = &largepage_cmdset,
> .page_per_block = 64,
> .page_size = 2048,
> .flash_width = 8,
> --
> 1.7.2
>
>
>
>
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