From: Oleksij Rempel <o.rempel@pengutronix.de> To: barebox@lists.infradead.org Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>, Oleksij Rempel <o.rempel@pengutronix.de> Subject: [PATCH v6 1/5] common: add $global.serial_number with device tree fixup Date: Tue, 3 May 2022 11:12:16 +0200 [thread overview] Message-ID: <20220503091220.3871612-2-o.rempel@pengutronix.de> (raw) In-Reply-To: <20220503091220.3871612-1-o.rempel@pengutronix.de> From: Ahmad Fatoum <a.fatoum@pengutronix.de> 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 <a.fatoum@pengutronix.de> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> --- 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
next prev parent reply other threads:[~2022-05-03 9:14 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-03 9:12 [PATCH v6 0/5] add different OF board fixups Oleksij Rempel 2022-05-03 9:12 ` Oleksij Rempel [this message] 2022-05-03 9:12 ` [PATCH v6 2/5] ARM: boards: protonic-imx6: make use of barebox_set_serial_number() Oleksij Rempel 2022-05-03 9:12 ` [PATCH v6 3/5] of: add generic of_prepend_machine_compatible() Oleksij Rempel 2022-05-03 9:12 ` [PATCH v6 4/5] ARM: boards: skov-imx6: make use of of_prepend_machine_compatible() Oleksij Rempel 2022-05-03 9:12 ` [PATCH v6 5/5] ARM: boards: protonic-imx6: add HW revision specific machine compatible Oleksij Rempel 2022-05-05 7:15 ` [PATCH v6 0/5] add different OF board fixups Sascha Hauer
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20220503091220.3871612-2-o.rempel@pengutronix.de \ --to=o.rempel@pengutronix.de \ --cc=a.fatoum@pengutronix.de \ --cc=barebox@lists.infradead.org \ --subject='Re: [PATCH v6 1/5] common: add $global.serial_number with device tree fixup' \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox