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 merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1T8oU1-0000nZ-MF for barebox@lists.infradead.org; Tue, 04 Sep 2012 08:27:42 +0000 Date: Tue, 4 Sep 2012 10:27:39 +0200 From: Sascha Hauer Message-ID: <20120904082739.GQ26594@pengutronix.de> References: <1346672765-16162-1-git-send-email-jlu@pengutronix.de> <1346672765-16162-5-git-send-email-jlu@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1346672765-16162-5-git-send-email-jlu@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 04/10] scripts: add tool to create image for SPI boot on AM35xx To: Jan Luebbe Cc: barebox@lists.infradead.org On Mon, Sep 03, 2012 at 01:45:59PM +0200, Jan Luebbe wrote: > Booting from SPI on an AM35xx (and possibly other TI SOCs) requires > a special format: > > - 32 bit image size in big-endian > - 32 bit load address in big-endian > - binary image converted from little- to big-endian > > The mk-am35xx-spi-image tool converts barebox.bin to > this format. > > Signed-off-by: Jan Luebbe > --- > arch/arm/Makefile | 8 +++ > arch/arm/mach-omap/Kconfig | 7 +++ > scripts/.gitignore | 1 + > scripts/Makefile | 2 +- > scripts/mk-am35xx-spi-image.c | 126 +++++++++++++++++++++++++++++++++++++++++ > 5 files changed, 143 insertions(+), 1 deletion(-) > create mode 100644 scripts/mk-am35xx-spi-image.c > > diff --git a/arch/arm/Makefile b/arch/arm/Makefile > index 1b60261..ff96299 100644 > --- a/arch/arm/Makefile > +++ b/arch/arm/Makefile > @@ -199,6 +199,14 @@ endif > > all: $(KBUILD_IMAGE) > > +barebox.spi: barebox.bin > + @echo " SPI " $@ > + $(Q)scripts/mk-am35xx-spi-image barebox.bin > barebox.spi > + > +ifeq ($(CONFIG_OMAP_BUILD_SPI),y) > +all: barebox.spi > +endif > + > archprepare: maketools > maketools: > $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h > diff --git a/arch/arm/mach-omap/Kconfig b/arch/arm/mach-omap/Kconfig > index d735284..a781287 100644 > --- a/arch/arm/mach-omap/Kconfig > +++ b/arch/arm/mach-omap/Kconfig > @@ -91,6 +91,13 @@ config OMAP_BUILD_IFT > prompt "build ift binary" > bool > > +config OMAP_BUILD_SPI > + prompt "build SPI binary" > + bool > + help > + Say Y here if you want to build an barebox.spi image as used > + on the AM35xx chips when booting form SPI NOR flash. > + > config ARCH_TEXT_BASE > hex > default 0x80e80000 if MACH_OMAP343xSDP > diff --git a/scripts/.gitignore b/scripts/.gitignore > index 6e63f85..3f1cbdb 100644 > --- a/scripts/.gitignore > +++ b/scripts/.gitignore > @@ -2,6 +2,7 @@ bareboxenv > bin2c > gen_netx_image > kallsyms > +mk-am35xx-spi-image > mkimage > mkublheader > omap_signGP > diff --git a/scripts/Makefile b/scripts/Makefile > index 7ca5e29..55ccdac 100644 > --- a/scripts/Makefile > +++ b/scripts/Makefile > @@ -9,7 +9,7 @@ hostprogs-y += bin2c > hostprogs-y += mkimage > hostprogs-y += bareboxenv > hostprogs-$(CONFIG_ARCH_NETX) += gen_netx_image > -hostprogs-$(CONFIG_ARCH_OMAP) += omap_signGP > +hostprogs-$(CONFIG_ARCH_OMAP) += omap_signGP mk-am35xx-spi-image > hostprogs-$(CONFIG_ARCH_S5PCxx) += s5p_cksum > hostprogs-$(CONFIG_ARCH_DAVINCI) += mkublheader > > diff --git a/scripts/mk-am35xx-spi-image.c b/scripts/mk-am35xx-spi-image.c > new file mode 100644 > index 0000000..133f2b7 > --- /dev/null > +++ b/scripts/mk-am35xx-spi-image.c > @@ -0,0 +1,126 @@ > +/* > + * mkublheader.c - produce the header needed to load barebox on OMAP-L138 We already have scripts/mkublheader.c: /* * mkublheader.c - produce the header needed to load barebox on OMAP-L138 */ This indeed seems to be a different tool. Can we clarify this a bit, maybe by adding the purpose of the different tools to the header? 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