From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 27 Apr 2022 11:40:10 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nje9b-00GriS-AE for lore@lore.pengutronix.de; Wed, 27 Apr 2022 11:40:10 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nje9Y-000503-3I for lore@pengutronix.de; Wed, 27 Apr 2022 11:40:09 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=515cJ0ocQqzyvc/7VSmmhdQqmPLCoWax7VoQDAe4Sz4=; b=vo9W1VN5UAhS6g khDjeF46X2jBJonJmVgn8qFkjz0y9MdU26DaZ0GsidAl+aeihoDOfNnLi8pPmtEGfTfbg+eByYrd/ SwMmlCZeSGphATu3P/g97zQTqp2Lb5jJYqrUhqELq3zgaBrejyheS5xIL0+/1Edmh0pV2EaK90yrJ 2uQI9/eXtIBMXXJc7g8jbpdsElscnE/zXkfvRSaSZunUu6Pox+rSNuqUB1K7uHm05UwOn9AIJYbAN k+ReNV6yJx6tQpFhGscPHpswSbyjPL3Fi4btxm0BeTt6IWwwBBwjLmI3QSfCfxKERnw1fiv+dhzjN PskjWIdxSEVEOgzFQFXA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nje8F-000mxo-99; Wed, 27 Apr 2022 09:38:48 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nje7S-000mXc-CY for barebox@lists.infradead.org; Wed, 27 Apr 2022 09:38:02 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nje7O-0004cY-Qu; Wed, 27 Apr 2022 11:37:54 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1nje7P-005Wtd-HL; Wed, 27 Apr 2022 11:37:54 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1nje7N-007KTD-9G; Wed, 27 Apr 2022 11:37:53 +0200 From: Oleksij Rempel To: barebox@lists.infradead.org Cc: rcz@pengutronix.de, Ahmad Fatoum , Oleksij Rempel Date: Wed, 27 Apr 2022 11:37:49 +0200 Message-Id: <20220427093752.1746932-2-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220427093752.1746932-1-o.rempel@pengutronix.de> References: <20220427093752.1746932-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220427_023758_498889_3EBB44A4 X-CRM114-Status: GOOD ( 16.58 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::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.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.3 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: [PATCH v2 1/4] common: add $global.serial_number with device tree fixup X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) From: Ahmad Fatoum This new variable can be set by boards from C code or from the environment to change the serial number fixed up into the kernel device tree. Signed-off-by: Ahmad Fatoum Signed-off-by: Oleksij Rempel --- common/Kconfig | 5 +++++ common/misc.c | 16 ++++++++++++++++ common/oftree.c | 9 +++++++++ include/common.h | 3 +++ 4 files changed, 33 insertions(+) diff --git a/common/Kconfig b/common/Kconfig index f7a6a96e87..d08302a573 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -1066,6 +1066,11 @@ config MACHINE_ID Note: if no hashable information is available no machine id will be passed to the kernel. +config SERIAL_NUMBER_FIXUP + bool "fix up board serial number" + help + fixup serial number supplied by board code info device tree + config SYSTEMD_OF_WATCHDOG bool "inform devicetree-enabled kernel of used watchdog" depends on WATCHDOG && OFTREE && FLEXIBLE_BOOTARGS diff --git a/common/misc.c b/common/misc.c index 226635f0d4..3b3bc05bfd 100644 --- a/common/misc.c +++ b/common/misc.c @@ -149,6 +149,7 @@ EXPORT_SYMBOL(barebox_get_model); BAREBOX_MAGICVAR(global.model, "Product name of this hardware"); static char *hostname; +static char *serial_number; /* * The hostname is supposed to be the shortname of a board. It should @@ -179,6 +180,21 @@ EXPORT_SYMBOL(barebox_set_hostname_no_overwrite); BAREBOX_MAGICVAR(global.hostname, "shortname of the board. Also used as hostname for DHCP requests"); +void barebox_set_serial_number(const char *__serial_number) +{ + globalvar_add_simple_string("serial_number", &serial_number); + + free(serial_number); + serial_number = xstrdup(__serial_number); +} + +const char *barebox_get_serial_number(void) +{ + return serial_number; +} + +BAREBOX_MAGICVAR(global.serial_number, "Board serial number"); + void __noreturn panic(const char *fmt, ...) { va_list args; diff --git a/common/oftree.c b/common/oftree.c index bce0ff09d6..c6d75055cc 100644 --- a/common/oftree.c +++ b/common/oftree.c @@ -207,6 +207,15 @@ static int of_fixup_bootargs(struct device_node *root, void *unused) int instance = reset_source_get_instance(); struct device_d *dev; + if (IS_ENABLED(CONFIG_SERIAL_NUMBER_FIXUP)) { + const char *serialno; + + serialno = getenv("global.serial_number"); + if (serialno) + of_property_write_string(root, "serial-number", serialno); + + } + node = of_create_node(root, "/chosen"); if (!node) return -ENOMEM; diff --git a/include/common.h b/include/common.h index 4167d4676e..967502a7ab 100644 --- a/include/common.h +++ b/include/common.h @@ -126,4 +126,7 @@ const char *barebox_get_hostname(void); void barebox_set_hostname(const char *); void barebox_set_hostname_no_overwrite(const char *); +const char *barebox_get_serial_number(void); +void barebox_set_serial_number(const char *); + #endif /* __COMMON_H_ */ -- 2.30.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox