From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 13 Apr 2026 10:22:20 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wCCYm-00Bea4-0j for lore@lore.pengutronix.de; Mon, 13 Apr 2026 10:22:20 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1wCCYl-0004Q0-KP for lore@pengutronix.de; Mon, 13 Apr 2026 10:22:20 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/cpwTS8keu8I2HyOHN247RPpIzOsqEYO7HGR2gGkWsc=; b=pX9UWaq98IgSyIdL6DrnNRO+kC 35pjRry8Vk2L0T256GwHBloxT5zCVklsZBU1sgz353s3QyNbV3lhTZVHuoTTZWgETnAiOH9gWes4U 7Ji5hHxphsKI1E7QYtQUZi/aI5rLsAVfTzs3kNsOVEkIIqCtwFzxcRk/8cBAmkG/zqBVVVNfJ7RPm OPmLRaOjgkrREPfMOJshlqQr9n2UWaoVLviZNxl45oWtDtPQAQAgGy1RUfz6BvPsdDiQKxnFwEoJK mNzuZAdGCTCEhG54WshmPOVQSkHbnPGRR6eMMLJn1GMRObjGdJN1OSlG69yG8ikn2QwbyPgh9/1WS Nd1Qioyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCCYR-0000000FG30-0n1G; Mon, 13 Apr 2026 08:21:59 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCCYP-0000000FG2D-2neE for barebox@bombadil.infradead.org; Mon, 13 Apr 2026 08:21:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:Content-Type :In-Reply-To:From:References:To:Subject:MIME-Version:Date:Message-ID:Sender: Reply-To:Cc:Content-ID:Content-Description; bh=/cpwTS8keu8I2HyOHN247RPpIzOsqEYO7HGR2gGkWsc=; b=THYZCja9s3xLCn7rLW5mGRviBd PmmlFU/y1X9KKmNW0ISpWVgNjGkG8LBgkxWof55z1bcnVQGwMu3+sUAU5KthLWp4mPmur4FIf2QJ0 cIQuIY/IqwzDA1FH6eLQIIEQchIFueproVW+9U3epCL6tFCTEqy6bKegCYjLTNXHP8A5U7Baqcsy7 1J8a3cL1LA4Pf2ZqrPobOwLaE794kbAQJcu8MfAK9liHmLYcW3v4qEev6X1/vJLouqHNVObh090xo pEamcXXmY9WDRlD2SQJQjsc+GjIN5e/lZxxSEP6K4lPlXjrqIc98FVB9LuoDXgrnPtZDNVQmVXWz3 NaYKdImQ==; Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by desiato.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCCYK-0000000GNpg-3xQg for barebox@lists.infradead.org; Mon, 13 Apr 2026 08:21:56 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1wCCYK-0004GO-9T; Mon, 13 Apr 2026 10:21:52 +0200 Message-ID: <0b4961bd-7195-4d73-8692-e6d5828ba02a@pengutronix.de> Date: Mon, 13 Apr 2026 10:21:52 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Fabian Pflug , Sascha Hauer , BAREBOX References: <20260330-v2026-03-0-topic-soc_bin_id-v1-0-11292f75b196@pengutronix.de> <20260330-v2026-03-0-topic-soc_bin_id-v1-2-11292f75b196@pengutronix.de> Content-Language: en-US From: Jonas Rebmann In-Reply-To: <20260330-v2026-03-0-topic-soc_bin_id-v1-2-11292f75b196@pengutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260413_092154_611464_4DA3D304 X-CRM114-Status: GOOD ( 22.75 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.5 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 2/2] i.MX: HAB: update text for HABV4_CSF_UNLOCK_UID X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On 2026-03-30 14:24, Fabian Pflug wrote: > With the establishment of global.soc_uid_bin, there is no need to look > for the serial number and reverse it. I don't believe reverting the byte order manually is something we were supposed to be doing before. > Also some SoC's will have 128-bit UID's, so the hint to 64 bit is not > correct and should be removed. > > Signed-off-by: Fabian Pflug > --- > arch/arm/mach-imx/Kconfig | 11 +++-------- > 1 file changed, 3 insertions(+), 8 deletions(-) > > diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig > index 2e4d1ac80a..bfcb6ae402 100644 > --- a/arch/arm/mach-imx/Kconfig > +++ b/arch/arm/mach-imx/Kconfig > @@ -918,17 +918,12 @@ config HABV4_CSF_UNLOCK_UID > depends on HABV4 && HABV4_CSF_UNLOCK_FIELD_RETURN > string "CSF Unlock UID" > help > - Device specific 64-bit UID required to unlock the field-return > + Device specific UID required to unlock the field-return > feature. This value must match the per device UNIQUE_ID fuses. > > The below example shows the expected format. The UNIQUE_ID is > - printed during boot by barebox: > - i.MX___ unique ID: 7766554433221100 > - or it can be queried by Linux via: > - - cat /sys/devices/soc0/serial_number > - 7766554433221100 > - > - So this value have to be set: > + is stored in $global.soc_uid_bin, but must be split into bytes. "The UNIQUE_ID is is stored"? > + The soc_uid_bin 0011223344556677 becomes: > - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 I never used this feature but is there any good reason why this should consume a different format from what $global.soc_uid_bin returns? > Afterwards, the `hab -p -r` command can be used to burn the fuse. > -- Pengutronix e.K. | Jonas Rebmann | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-9 |