From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 03 May 2022 11:14:01 +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 1nlobZ-000QSj-Jl for lore@lore.pengutronix.de; Tue, 03 May 2022 11:14:01 +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 1nlobX-0002cf-SX for lore@pengutronix.de; Tue, 03 May 2022 11:14:00 +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=LFK2C+1t2fhqRVc3dkOFG2zuA43gC1a3eaHhNblJmd4=; b=GC8gvumDS3DD65 hEChyeZCH1WLXSVbtzbFw9Sjrvetc6Wn8sSZv5SDis/xHXV+fcpG5m2m7jlsnPqkh9eJzmh3k6Ifc RCEJu/IIQzNrtEn3vw0TR3j+Xc7lg5LSB5MHVJ9JJvaD6XFl6Fu+x/CX+YLlSsztouMKFE6KdzVw6 msC5+c5z0dOtGc64z7TZd9FAxSF7jsuDoHgMCUJXy9oA1A9npBG4O91AKTkYqt36iiuykk3SAiFgb vgh8RJX7YsH7gd0HSWbzwJu1ECTsrFFrgV4DdirWjGqFWXVOI644LKb53yezvR6tTheZxfzUJUQrB jogiGBnIgVCKfSP3+KiQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nloaH-004lrp-Ro; Tue, 03 May 2022 09:12:41 +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 1nloa0-004lkt-Lq for barebox@lists.infradead.org; Tue, 03 May 2022 09:12:27 +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 1nloZy-00027w-LH; Tue, 03 May 2022 11:12:22 +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 1nloZz-0005FL-8P; Tue, 03 May 2022 11:12:21 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1nloZx-00GFCe-19; Tue, 03 May 2022 11:12:21 +0200 From: Oleksij Rempel To: barebox@lists.infradead.org Cc: Ahmad Fatoum , Oleksij Rempel Date: Tue, 3 May 2022 11:12:16 +0200 Message-Id: <20220503091220.3871612-2-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220503091220.3871612-1-o.rempel@pengutronix.de> References: <20220503091220.3871612-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220503_021224_818389_56C4DA89 X-CRM114-Status: GOOD ( 15.16 ) 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, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v6 1/5] 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/misc.c | 16 ++++++++++++++++ common/oftree.c | 5 +++++ include/common.h | 3 +++ 3 files changed, 24 insertions(+) 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..51f825c3f3 100644 --- a/common/oftree.c +++ b/common/oftree.c @@ -206,6 +206,11 @@ static int of_fixup_bootargs(struct device_node *root, void *unused) int err; int instance = reset_source_get_instance(); struct device_d *dev; + const char *serialno; + + serialno = barebox_get_serial_number(); + if (serialno) + of_property_write_string(root, "serial-number", serialno); node = of_create_node(root, "/chosen"); if (!node) 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