From: Sascha Hauer <s.hauer@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: BAREBOX <barebox@lists.infradead.org>
Subject: Re: [PATCH v2 6/9] nvmem: ocotp: Fix SoC ID reading for i.MX8MP
Date: Tue, 27 Jan 2026 08:20:27 +0100 [thread overview]
Message-ID: <aXhnO4xuW-R3TBZP@pengutronix.de> (raw)
In-Reply-To: <c9f90894-52ac-4090-b4a9-8d82b735e56e@pengutronix.de>
On Mon, Jan 26, 2026 at 12:20:08PM +0100, Ahmad Fatoum wrote:
> Hi,
>
> On 11/17/25 9:35 AM, Sascha Hauer wrote:
> > On i.MX8MP the SoC ID is stored at 0x420/0x430, not on 0x410/0x420 as on
> > other i.MX8M SoCs. Also on i.MX8MP the SoC ID is 128bit and not 64bit
> > with the upper bits stored at 0xe00/0xe10.
> >
> > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
>
> As this has implications for user space (e.g. journald quotas are per
> directory and machine id changes the dir), this deserves a mention in
> the migration guide.
Right. I added one.
Sascha
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next prev parent reply other threads:[~2026-01-27 7:20 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-17 8:35 [PATCH v2 0/9] Unify SoC UID and machine hashable data Sascha Hauer
2025-11-17 8:35 ` [PATCH v2 1/9] introduce SoC UID Sascha Hauer
2025-11-17 10:16 ` Jonas Rebmann
2025-11-17 11:28 ` Sascha Hauer
2025-11-17 8:35 ` [PATCH v2 2/9] soc: imx8mp: Soc ID is 128bit Sascha Hauer
2025-11-17 9:59 ` Jonas Rebmann
2025-11-17 11:02 ` Sascha Hauer
2025-11-17 8:35 ` [PATCH v2 3/9] ARM: i.MX6: print leading zero for SoC ID Sascha Hauer
2025-11-17 8:35 ` [PATCH v2 4/9] nvmem: bsec: call barebox_set_soc_uid() Sascha Hauer
2025-11-17 8:35 ` [PATCH v2 5/9] nvmem: imx-ocotp-ele: " Sascha Hauer
2025-11-17 8:35 ` [PATCH v2 6/9] nvmem: ocotp: Fix SoC ID reading for i.MX8MP Sascha Hauer
2026-01-26 11:20 ` Ahmad Fatoum
2026-01-27 7:20 ` Sascha Hauer [this message]
2025-11-17 8:35 ` [PATCH v2 7/9] nvmem: imx-ocotp: call barebox_set_soc_uid() Sascha Hauer
2025-11-17 8:35 ` [PATCH v2 8/9] soc: imx8m: register SoC UID Sascha Hauer
2025-11-17 8:35 ` [PATCH v2 9/9] Documentation: migration: add i.MX8MP SoC UID change note Sascha Hauer
2026-01-26 7:56 ` [PATCH v2 0/9] Unify SoC UID and machine hashable data Sascha Hauer
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