From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/5 V3] NAND: Add nand read.raw and write.raw commands
Date: Thu, 22 Sep 2011 13:40:50 -0500 [thread overview]
Message-ID: <4E7B8132.4090606@freescale.com> (raw)
In-Reply-To: <1316716571-2876-1-git-send-email-marek.vasut@gmail.com>
On 09/22/2011 01:36 PM, Marek Vasut wrote:
> @@ -695,10 +711,11 @@ U_BOOT_CMD(
> "NAND sub-system",
> "info - show available NAND devices\n"
> "nand device [dev] - show or set current device\n"
> - "nand read - addr off|partition size\n"
> - "nand write - addr off|partition size\n"
> + "nand read[.raw] - addr off|partition\n"
> + "nand write[.raw] - addr off|partition\n"
> " read/write 'size' bytes starting at offset 'off'\n"
> " to/from memory address 'addr', skipping bad blocks.\n"
> + " Use read.raw/write.raw to avoid ECC and write the block as-is.\n"
Only the .raw version lacks size -- please do not remove it from the
help text for the normal read/write.
> diff --git a/doc/README.nand b/doc/README.nand
> index 751b693..62c077e 100644
> --- a/doc/README.nand
> +++ b/doc/README.nand
> @@ -94,6 +94,15 @@ Commands:
> of data for one 512-byte page or 2 256-byte pages. There is no check
> for bad blocks.
>
> + nand read.raw addr ofs|partition
> + Read block from `ofs' in NAND flash to `addr'. This reads the raw block,
> + so ECC is avoided and the OOB area is read as well.
> +
> + nand write.raw addr ofs|partition
> + Write block from `addr' to `ofs' in NAND flash. This writes the raw block,
> + so ECC is avoided and the OOB area is written as well, making the whole
> + block written as-is.
Again, it's operating on a page, not a block.
-Scott
next prev parent reply other threads:[~2011-09-22 18:40 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-12 4:04 [U-Boot] [PATCH 0/5 V2] Random NAND fixes and improvements Marek Vasut
2011-09-12 4:04 ` [U-Boot] [PATCH 1/5] NAND: Really ignore bad blocks when scrubbing Marek Vasut
2011-09-27 18:54 ` Scott Wood
2011-09-12 4:04 ` [U-Boot] [PATCH 2/5] NAND: Add nand read.raw and write.raw commands Marek Vasut
2011-09-21 18:48 ` Scott Wood
2011-09-22 1:55 ` [U-Boot] [PATCH 2/5 V2] " Marek Vasut
2011-09-22 16:03 ` Scott Wood
2011-09-22 18:36 ` [U-Boot] [PATCH 2/5 V3] " Marek Vasut
2011-09-22 18:40 ` Scott Wood [this message]
2011-09-23 13:43 ` [U-Boot] [PATCH 2/5 V4] " Marek Vasut
2011-09-27 18:57 ` Scott Wood
2011-09-12 4:04 ` [U-Boot] [PATCH 3/5] NAND: Allow per-buffer allocation Marek Vasut
2011-09-21 18:50 ` Scott Wood
2011-09-21 19:49 ` Wolfgang Denk
2011-09-21 19:55 ` Scott Wood
2011-09-21 20:16 ` Wolfgang Denk
2011-09-22 1:34 ` Marek Vasut
2011-09-22 7:41 ` Stefano Babic
2011-09-22 8:51 ` Marek Vasut
2011-09-23 17:35 ` Scott Wood
2011-09-24 12:37 ` Marek Vasut
2011-09-26 18:33 ` Scott Wood
2011-09-26 18:49 ` Marek Vasut
2011-09-12 4:04 ` [U-Boot] [PATCH 4/5] NAND: Make page, erase, oob size available via cmd_nand Marek Vasut
2011-09-21 18:55 ` Scott Wood
2011-09-21 19:52 ` Wolfgang Denk
2011-09-22 1:57 ` [U-Boot] [PATCH 4/5 V2] " Marek Vasut
2011-09-27 19:01 ` Scott Wood
2011-09-27 19:38 ` Marek Vasut
2011-09-27 19:51 ` Scott Wood
2011-09-27 20:07 ` Marek Vasut
2011-09-27 20:53 ` Scott Wood
2011-09-27 21:04 ` Marek Vasut
2011-09-27 21:14 ` Scott Wood
2011-09-12 4:04 ` [U-Boot] [PATCH 5/5] NAND: Add scrub.quiet command option Marek Vasut
2011-09-12 16:45 ` Mike Frysinger
2011-09-12 17:45 ` Marek Vasut
2011-09-12 18:06 ` Scott Wood
2011-09-12 18:24 ` Marek Vasut
2011-09-12 18:31 ` Scott Wood
2011-09-12 18:36 ` Marek Vasut
2011-09-12 19:19 ` Scott Wood
2011-09-12 19:28 ` Marek Vasut
2011-09-12 19:36 ` Scott Wood
2011-09-12 19:42 ` Marek Vasut
2011-09-12 23:24 ` Scott Wood
2011-09-13 1:02 ` Marek Vasut
2011-09-13 4:25 ` Wolfgang Denk
2011-09-13 4:36 ` Marek Vasut
2011-09-13 22:22 ` Scott Wood
2011-09-13 22:41 ` Marek Vasut
2011-09-13 22:53 ` Scott Wood
2011-09-12 18:37 ` Wolfgang Denk
2011-09-12 18:50 ` Marek Vasut
2011-09-12 20:33 ` Mike Frysinger
2011-09-12 22:59 ` Marek Vasut
2011-09-13 22:20 ` [U-Boot] [PATCH 5/5] NAND: Add -y option to nand scrub command Marek Vasut
2011-09-13 22:28 ` Mike Frysinger
2011-09-27 19:03 ` Scott Wood
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