From: Marek Vasut <marek.vasut@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/5] NAND: Add nand read.raw and write.raw commands
Date: Thu, 8 Sep 2011 22:39:37 +0200 [thread overview]
Message-ID: <1315514380-19089-3-git-send-email-marek.vasut@gmail.com> (raw)
In-Reply-To: <1315514380-19089-1-git-send-email-marek.vasut@gmail.com>
These commands should work around various "hardware" ECC and BCH methods.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
---
common/cmd_nand.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 66e06a5..a1c8dfd 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -606,6 +606,20 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
ret = nand->read_oob(nand, off, &ops);
else
ret = nand->write_oob(nand, off, &ops);
+ } else if (!strcmp(s, ".raw")) {
+ /* Raw access */
+ mtd_oob_ops_t ops = {
+ .datbuf = (u8 *)addr,
+ .oobbuf = ((u8 *)addr) + nand->writesize,
+ .len = nand->writesize,
+ .ooblen = nand->oobsize,
+ .mode = MTD_OOB_RAW
+ };
+
+ if (read)
+ ret = nand->read_oob(nand, off, &ops);
+ else
+ ret = nand->write_oob(nand, off, &ops);
} else {
printf("Unknown nand command suffix '%s'.\n", s);
return 1;
--
1.7.5.4
next prev parent reply other threads:[~2011-09-08 20:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-08 20:39 [U-Boot] [PATCH 0/5] Random NAND fixes and improvements Marek Vasut
2011-09-08 20:39 ` [U-Boot] [PATCH 1/5] NAND: Really ignore bad blocks when scrubbing Marek Vasut
2011-09-08 20:39 ` Marek Vasut [this message]
2011-09-08 20:39 ` [U-Boot] [PATCH 3/5] NAND: Allow per-buffer allocation Marek Vasut
2011-09-08 20:39 ` [U-Boot] [PATCH 4/5] NAND: Make page, erase, oob size available via cmd_nand Marek Vasut
2011-09-08 20:39 ` [U-Boot] [PATCH 5/5] NAND: Add scrub.quiet command option Marek Vasut
2011-09-09 15:39 ` Detlev Zundel
2011-09-10 20:54 ` Marek Vasut
2011-09-12 9:49 ` Detlev Zundel
-- strict thread matches above, loose matches on Subject: below --
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 2/5] NAND: Add nand read.raw and write.raw commands Marek Vasut
2011-09-21 18:48 ` Scott Wood
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