Re: [U-Boot] [PATCH 2/5] NAND: Add nand read.raw and write.raw commands

[Scott Wood]

On 09/11/2011 11:04 PM, Marek Vasut wrote:
> These commands should work around various "hardware" ECC and BCH methods.
> 
> Signed-off-by: Marek Vasut 
> Cc: Scott Wood 
> Cc: Stefano Babic 
> Cc: Wolfgang Denk 
> Cc: Detlev Zundel 
> ---
>  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;

Update help text and doc/README.nand.

Should we support doing multiple pages at once?

-Scott

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[U-Boot] [PATCH 2/5] NAND: Add nand read.raw and write.raw commands

[Marek Vasut]

These commands should work around various "hardware" ECC and BCH methods.

Signed-off-by: Marek Vasut 
Cc: Scott Wood 
Cc: Stefano Babic 
Cc: Wolfgang Denk 
Cc: Detlev Zundel 
---
 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

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[U-Boot] [PATCH 2/5] NAND: Add nand read.raw and write.raw commands

[Marek Vasut]

These commands should work around various "hardware" ECC and BCH methods.

Signed-off-by: Marek Vasut 
Cc: Scott Wood 
Cc: Stefano Babic 
Cc: Wolfgang Denk 
Cc: Detlev Zundel 
---
 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

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