[PATCH v2] mtd: nand: Mark reserved blocks

Michal Simek michal.simek at amd.com
Thu Feb 2 15:49:57 CET 2023



On 2/2/23 14:44, Michael Nazzareno Trimarchi wrote:
> Hi
> 
> Il gio 2 feb 2023, 14:21 Michal Simek <monstr at monstr.eu 
> <mailto:monstr at monstr.eu>> ha scritto:
> 
>     Hi Dario,
> 
>     On 1/5/23 10:46, Ashok Reddy Soma wrote:
>      > Reserved blocks are used for storing bad block tables. With "nand bad"
>      > command, these reserved blocks are shown as bad blocks. This is leading
>      > to confusion when compared with Linux bad blocks. Hence, display
>      > "bbt reserved" when printing reserved blocks with "nand bad" command.
>      >
>      > To acheive this, return 2 which represents reserved from nand_isbad_bbt()
>      > instead of 1 in case of reserved blocks and catch it in cmd/nand.c.
>      >
>      > "nand bad" command display's hexadecimal numbers, so add "0x" prefix.
>      >
>      > Example log will show up as below.
>      >
>      > ZynqMP> nand bad
>      >
>      > Device 0 bad blocks:
>      >    0x00400000
>      >    0x16800000
>      >    0x16c00000
>      >    0x17000000
>      >    0x3d800000
>      >    0x3e400000
>      >    0xe8400000
>      >    0xff000000  (bbt reserved)
>      >    0xff400000  (bbt reserved)
>      >    0xff800000  (bbt reserved)
>      >    0xffc00000  (bbt reserved)
>      >    0x116800000
>      >    0x116c00000
>      >    0x1ff000000         (bbt reserved)
>      >    0x1ff400000         (bbt reserved)
>      >    0x1ff800000         (bbt reserved)
>      >    0x1ffc00000         (bbt reserved)
>      >
>      > Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at amd.com
>     <mailto:ashok.reddy.soma at amd.com>>
>      > Reviewed-by: Michael Trimarchi <michael at amarulasolutions.com
>     <mailto:michael at amarulasolutions.com>>
>      > ---
> 
>     Are you going to apply this patch?
> 
> 
> Applied already

I looked at u-boot-nand-flash git repo and I can't see it.
Where's the repo where this is merged?

Thanks,
Michal




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