From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/3] mtd/nand : workaround for Freescale FCM to support 4k pagesize Nand chip
Date: Tue, 22 Nov 2011 17:58:44 -0600 [thread overview]
Message-ID: <4ECC3734.7060306@freescale.com> (raw)
In-Reply-To: <1321952056-20281-2-git-send-email-Shengzhou.Liu@freescale.com>
On 11/22/2011 02:54 AM, Shengzhou Liu wrote:
> Freescale FCM controller has a 2K size limitation of buffer RAM. In order
> to support the Nand flash chip whose page size is larger than 2K bytes,
> we read/write 2k data repeatedly by issuing FIR_OP_RB/FIR_OP_WB and save
> them to a large buffer.
>
> Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
> Signed-off-by: Liu Shuo <b35362@freescale.com>
> Signed-off-by: Li Yang <leoli@freescale.com>
> ---
> based on 'master' branch of Wolfgang's tree.
>
> drivers/mtd/nand/fsl_elbc_nand.c | 225 ++++++++++++++++++++++++++++++++++---
> 1 files changed, 206 insertions(+), 19 deletions(-)
Please see my feedback on the Linux version of this patch:
http://lists.ozlabs.org/pipermail/linuxppc-dev/2011-November/094199.html
-Scott
next prev parent reply other threads:[~2011-11-22 23:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-22 8:54 [U-Boot] [PATCH 1/3] mtd/nand : Add function board_nand_init_tail() for some special NAND controllers Shengzhou Liu
2011-11-22 8:54 ` [U-Boot] [PATCH 2/3] mtd/nand : workaround for Freescale FCM to support 4k pagesize Nand chip Shengzhou Liu
2011-11-22 8:54 ` [U-Boot] [PATCH 3/3] mtd/nand: Add NAND chip ID to support Micron 4K pagesize NAND chip Shengzhou Liu
2011-11-22 23:58 ` Scott Wood [this message]
2011-11-22 21:03 ` [U-Boot] [PATCH 1/3] mtd/nand : Add function board_nand_init_tail() for some special NAND controllers Mike Frysinger
2011-11-22 21:11 ` Scott Wood
2011-11-23 19:31 ` Mike Frysinger
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