From: "Andreas Bießmann" <andreas.devel@googlemail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 3/5] at91: atmel_nand: Update driver to support Programmable Multibit ECC controller
Date: Sat, 01 Sep 2012 16:25:48 +0200 [thread overview]
Message-ID: <50421AEC.50202@googlemail.com> (raw)
In-Reply-To: <1345716338-11217-4-git-send-email-josh.wu@atmel.com>
Dear Josh Wu,
On 23.08.2012 12:05, Josh Wu wrote:
> The Programmable Multibit ECC (PMECC) controller is a programmable binary
> BCH(Bose, Chaudhuri and Hocquenghem) encoder and decoder. This controller
> can be used to support both SLC and MLC NAND Flash devices. It supports to
> generate ECC to correct 2, 4, 8, 12 or 24 bits of error per sector of data.
>
> To use PMECC in this driver, the user needs to set the PMECC correction
> capability, the sector size and ROM lookup table offsets in board config file.
>
> This driver is ported from Linux kernel atmel_nand PMECC patch. The main difference
> is in this version it uses registers structure access hardware instead of using macros.
> It is tested in 9x5 serial boards.
>
> Signed-off-by: Josh Wu <josh.wu@atmel.com>
> ---
applied to u-boot-atmel/master (slightly modified due to required rebase
cause of change in 1/5), thanks!
Best regards
Andreas Bie?mann
next prev parent reply other threads:[~2012-09-01 14:25 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-23 10:05 [U-Boot] [PATCH v3 0/5] at91: 9x5: Enable PMECC(Programmable Multibit ECC controller) support Josh Wu
2012-08-23 10:05 ` [U-Boot] [PATCH v3 1/5] at91: atmel_nand: extract HWECC initialization code into one function: atmel_hw_nand_init_param() Josh Wu
2012-09-01 14:19 ` Andreas Bießmann
2012-08-23 10:05 ` [U-Boot] [PATCH v3 2/5] at91: atmel_nand: remove unused variables Josh Wu
2012-09-01 14:20 ` Andreas Bießmann
2012-08-23 10:05 ` [U-Boot] [PATCH v3 3/5] at91: atmel_nand: Update driver to support Programmable Multibit ECC controller Josh Wu
2012-09-01 14:25 ` Andreas Bießmann [this message]
2012-08-23 10:05 ` [U-Boot] [PATCH v3 4/5] at91: 9x5: change SMC config timing that both works for PMECC & non-PMECC Josh Wu
2012-08-27 6:01 ` Bo Shen
2012-09-01 14:27 ` Andreas Bießmann
2012-08-23 10:05 ` [U-Boot] [PATCH v3 5/5] at91: 9x5: Enable PMECC for 5series ek board Josh Wu
2012-09-01 14:27 ` Andreas Bießmann
2012-08-31 3:23 ` [U-Boot] [PATCH v3 0/5] at91: 9x5: Enable PMECC(Programmable Multibit ECC controller) support Josh Wu
2012-08-31 13:27 ` Andreas Bießmann
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