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From: <Takahiro.Kuwano@infineon.com>
To: <mwalle@kernel.org>, <pratyush@kernel.org>,
	<miquel.raynal@bootlin.com>, <richard@nod.at>, <vigneshr@ti.com>,
	<tudor.ambarus@linaro.org>, <alex@sverdlin.org>
Cc: <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 2/2] mtd: spi-nor: spansion: Assign .fixups to s25fs256s1
Date: Mon, 14 Sep 2026 07:11:04 +0000	[thread overview]
Message-ID: <fb4398e88939472eaa86cdc098a3d265@infineon.com> (raw)
In-Reply-To: <DLETVUMUX3AN.3SSH7NN2CKAIU@kernel.org>

Hi Michael,

> On Mon Sep 14, 2026 at 6:50 AM CEST, Takahiro Kuwano via B4 Relay wrote:
> > From: Takahiro Kuwano <takahiro.kuwano@infineon.com>
> >
> > s25fs256s1 has incorrect SFDP entries, like s25fs512s and s25fs128s1.
> > Assign the common s25fs_s_nor_fixups to s25fs256s1 to fix its page size
> > and sector map.
> 
> Do you have an SFDP dump by chance? I haven't found one on the list
> for this flash.
> 

Yes, but param tables are located beyond PAGE_SIZE(1000h)...

zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/partname
s25fs256s1

zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
0102194d0181

zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
spansion

zynq> hexdump /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
0000000 4653 5044 0106 ff05 0000 0901 1090 ff00
0000010 0500 1001 1090 ff00 0600 1001 1090 ff00
0000020 0081 1a01 10d8 ff00 0084 0201 10d0 ff00
0000030 0101 5001 1000 0100 ffff ffff ffff ffff
0000040 ffff ffff ffff ffff ffff ffff ffff ffff
*
0001000

Thanks,
Takahiro


  reply	other threads:[~2026-09-14  7:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-14  4:50 [PATCH 0/2] mtd: spi-nor: spansion: Cleanup S25FS256S Takahiro Kuwano via B4 Relay
2026-09-14  4:50 ` [PATCH 1/2] mtd: spi-nor: spansion: Remove s25fs256s0 Takahiro Kuwano via B4 Relay
2026-09-14  4:50 ` [PATCH 2/2] mtd: spi-nor: spansion: Assign .fixups to s25fs256s1 Takahiro Kuwano via B4 Relay
2026-09-14  6:33   ` Michael Walle
2026-09-14  7:11     ` Takahiro.Kuwano [this message]
2026-09-14  9:37       ` Michael Walle

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