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From: John Watts <contact@jookia.org>
To: Fawad Lateef <fawadlateef@gmail.com>
Cc: kernelnewbies <kernelnewbies@kernelnewbies.org>,
	boris.brezillon@collabora.com,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux sunXi <linux-sunxi@lists.linux.dev>
Subject: Re: Question regarding Linux-6.3.5 and Sunxi A20 NAND/NFC support
Date: Fri, 18 Aug 2023 14:41:08 +1000	[thread overview]
Message-ID: <ZN72ZMSPBYvStfzy@titan> (raw)
In-Reply-To: <CAGgoGu4R2Y5Yj4zEQyekZK0Vkb+XpWg+mudmW3LNmfq3tCFDjw@mail.gmail.com>

On Thu, Aug 17, 2023 at 10:21:35PM +0100, Fawad Lateef wrote:
> Hi John,
> 
> Thanks for your help. I found the reason for my issue. I defined the
> pinctrl information under the "soc" next to "nfc" entry in
> sunxi-a20.dtsi which was messing it up.
> 
> I moved them inside the "pio" dtsi block and NAND is detected now.

Congratulations!

> Though almost all blocks are reported as bad-blocks.  I am thinking
> that it's happening as I don't have partition information defined in
> DTS. Do you think that this is the reason for bad-blocks reporting?

I don't have much knowledge here but you might want to confirm the
contents of your bad block table is being read and has correct values.

This might help: https://linux-sunxi.org/Mainline_NAND_Howto

> Regards,
> 
> Fawad Lateef

John.

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WARNING: multiple messages have this Message-ID (diff)
From: John Watts <contact@jookia.org>
To: Fawad Lateef <fawadlateef@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux sunXi <linux-sunxi@lists.linux.dev>,
	kernelnewbies <kernelnewbies@kernelnewbies.org>,
	boris.brezillon@collabora.com
Subject: Re: Question regarding Linux-6.3.5 and Sunxi A20 NAND/NFC support
Date: Fri, 18 Aug 2023 14:41:08 +1000	[thread overview]
Message-ID: <ZN72ZMSPBYvStfzy@titan> (raw)
In-Reply-To: <CAGgoGu4R2Y5Yj4zEQyekZK0Vkb+XpWg+mudmW3LNmfq3tCFDjw@mail.gmail.com>

On Thu, Aug 17, 2023 at 10:21:35PM +0100, Fawad Lateef wrote:
> Hi John,
> 
> Thanks for your help. I found the reason for my issue. I defined the
> pinctrl information under the "soc" next to "nfc" entry in
> sunxi-a20.dtsi which was messing it up.
> 
> I moved them inside the "pio" dtsi block and NAND is detected now.

Congratulations!

> Though almost all blocks are reported as bad-blocks.  I am thinking
> that it's happening as I don't have partition information defined in
> DTS. Do you think that this is the reason for bad-blocks reporting?

I don't have much knowledge here but you might want to confirm the
contents of your bad block table is being read and has correct values.

This might help: https://linux-sunxi.org/Mainline_NAND_Howto

> Regards,
> 
> Fawad Lateef

John.

  reply	other threads:[~2023-09-16  2:29 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-13 23:40 Question regarding Linux-6.3.5 and Sunxi A20 NAND/NFC support Fawad Lateef
2023-08-13 23:40 ` Fawad Lateef
2023-08-14  5:07 ` Bagas Sanjaya
2023-08-14  5:07   ` Bagas Sanjaya
2023-08-14 10:16   ` Fawad Lateef
2023-08-14 10:16     ` Fawad Lateef
2023-08-14 10:16     ` Fawad Lateef
2023-08-15 22:01     ` Fawad Lateef
2023-08-15 22:01       ` Fawad Lateef
2023-08-16  0:20       ` John Watts
2023-08-17 21:21         ` Fawad Lateef
2023-08-17 21:21           ` Fawad Lateef
2023-08-18  4:41           ` John Watts [this message]
2023-08-18  4:41             ` John Watts

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