From: Shawn Guo <shawnguo@kernel.org>
To: Ivan Zaentsev <ivan.zaentsev@wirenboard.ru>
Cc: Sascha Hauer <s.hauer@pengutronix.de>,
Evgeny Boger <boger@wirenboard.com>,
Russell King <linux@armlinux.org.uk>,
linux-kernel@vger.kernel.org, NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2] ARM: mxs: Add serial number support for i.MX23, i.MX28 SoCs
Date: Mon, 30 Nov 2020 17:32:39 +0800 [thread overview]
Message-ID: <20201130093238.GE4072@dragon> (raw)
In-Reply-To: <20201116165826.51570-1-ivan.zaentsev@wirenboard.ru>
On Mon, Nov 16, 2020 at 07:58:26PM +0300, Ivan Zaentsev wrote:
> i.MX23 and i.MX28 SoCs unique identifiers are factory-programmed
> in On-Chip OTP memory. i.MX28's 64-bit unique id is in
> HW_OCOTP_OPS2:HW_OCOTP_OPS3 (see MCIMX28 Ref. Man., sec. 20.4.22-23).
>
> i.MX23 provides 32-bit long unique id in HW_OCOTP_OPS3.
> Though not clearly documented, there is a clue in sec. 35.9.3.
>
> The unique id is reported in /sys/devices/soc0/serial_number
> and in /proc/cpuinfo
>
> Signed-off-by: Ivan Zaentsev <ivan.zaentsev@wirenboard.ru>
> Suggested-by: Evgeny Boger <boger@wirenboard.com>
Applied, thanks.
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WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Ivan Zaentsev <ivan.zaentsev@wirenboard.ru>
Cc: Russell King <linux@armlinux.org.uk>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
Evgeny Boger <boger@wirenboard.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] ARM: mxs: Add serial number support for i.MX23, i.MX28 SoCs
Date: Mon, 30 Nov 2020 17:32:39 +0800 [thread overview]
Message-ID: <20201130093238.GE4072@dragon> (raw)
In-Reply-To: <20201116165826.51570-1-ivan.zaentsev@wirenboard.ru>
On Mon, Nov 16, 2020 at 07:58:26PM +0300, Ivan Zaentsev wrote:
> i.MX23 and i.MX28 SoCs unique identifiers are factory-programmed
> in On-Chip OTP memory. i.MX28's 64-bit unique id is in
> HW_OCOTP_OPS2:HW_OCOTP_OPS3 (see MCIMX28 Ref. Man., sec. 20.4.22-23).
>
> i.MX23 provides 32-bit long unique id in HW_OCOTP_OPS3.
> Though not clearly documented, there is a clue in sec. 35.9.3.
>
> The unique id is reported in /sys/devices/soc0/serial_number
> and in /proc/cpuinfo
>
> Signed-off-by: Ivan Zaentsev <ivan.zaentsev@wirenboard.ru>
> Suggested-by: Evgeny Boger <boger@wirenboard.com>
Applied, thanks.
next prev parent reply other threads:[~2020-11-30 9:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-16 16:58 [PATCH v2] ARM: mxs: Add serial number support for i.MX23, i.MX28 SoCs Ivan Zaentsev
2020-11-16 16:58 ` Ivan Zaentsev
2020-11-30 9:32 ` Shawn Guo [this message]
2020-11-30 9:32 ` Shawn Guo
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