From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Sqgnw-0006TV-SO for barebox@lists.infradead.org; Mon, 16 Jul 2012 08:37:21 +0000 Date: Mon, 16 Jul 2012 10:37:16 +0200 From: Sascha Hauer Message-ID: <20120716083716.GE30009@pengutronix.de> References: <1342159489-1474-1-git-send-email-jbe@pengutronix.de> <1342159489-1474-2-git-send-email-jbe@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1342159489-1474-2-git-send-email-jbe@pengutronix.de> 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-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 1/4] Enable a way to provide the reason for "being here" To: Juergen Beisert Cc: barebox@lists.infradead.org On Fri, Jul 13, 2012 at 08:04:46AM +0200, Juergen Beisert wrote: > Many architectures support a way to detect why the bootloader is running. > This patch adds a global variable to be able to use the cause in some kind of > shell code to do special things on demand. For example to do an emergency boot, > when the last boot fails and the watchdog reactivate the hanging system. > > Signed-off-by: Juergen Beisert > --- > common/Makefile | 2 +- > common/reset_source.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ > include/reset_source.h | 27 +++++++++++++++++++++++++++ > 3 files changed, 72 insertions(+), 1 deletion(-) > create mode 100644 common/reset_source.c > create mode 100644 include/reset_source.h > > diff --git a/common/Makefile b/common/Makefile > index d99dfa2..baf4539 100644 > --- a/common/Makefile > +++ b/common/Makefile > @@ -29,7 +29,7 @@ obj-$(CONFIG_UIMAGE) += uimage.o > obj-y += startup.o > obj-y += misc.o > obj-y += memsize.o > -obj-$(CONFIG_GLOBALVAR) += globalvar.o > +obj-$(CONFIG_GLOBALVAR) += globalvar.o reset_source.o This should be a separate config option which depends on GLOBALVAR. > + RESET_WKE, /* wake-up (some SoCs can handle this) */ > + RESET_JTAG, /* JTAG reset */ > +}; > + > +extern void set_reset_source(enum reset_src_type); 'extern' is not needed in function declarations. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox