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 4.80.1 #2 (Red Hat Linux)) id 1XoTCJ-0005NI-IK for barebox@lists.infradead.org; Wed, 12 Nov 2014 08:22:40 +0000 Date: Wed, 12 Nov 2014 09:22:17 +0100 From: Sascha Hauer Message-ID: <20141112082217.GJ30369@pengutronix.de> References: <1415778114-41864-1-git-send-email-j.weitzel@phytec.de> <1415778114-41864-2-git-send-email-j.weitzel@phytec.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1415778114-41864-2-git-send-email-j.weitzel@phytec.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" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 2/2] ARM: omap: Add bootsource serial to xload To: Jan Weitzel Cc: barebox@lists.infradead.org Hi Jan, On Wed, Nov 12, 2014 at 08:41:54AM +0100, Jan Weitzel wrote: > If booted from serial via xmodem, also get barebox.bin per xmodem > For first stage you need the .pblx file instead of MLO. > > Signed-off-by: Jan Weitzel > --- > arch/arm/mach-omap/Kconfig | 7 +++++++ > arch/arm/mach-omap/xload.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 53 insertions(+) > > diff --git a/arch/arm/mach-omap/Kconfig b/arch/arm/mach-omap/Kconfig > index f9b5ec3..953dd8f 100644 > --- a/arch/arm/mach-omap/Kconfig > +++ b/arch/arm/mach-omap/Kconfig > @@ -118,6 +118,13 @@ config OMAP4_USBBOOT > You need the utility program omap4_usbboot to boot from USB. > Please read omap4_usb_booting.txt for more information. > > +config OMAP_SERIALBOOT > + bool > + default y No default y please. Better keep it disabled by default because the OMAP4 xload configs are quiet tight I think. Sascha > + select XYMODEM > + select FS_RAMFS > + depends on ARCH_AM33XX && SHELL_NONE > + > config OMAP_MULTI_BOARDS > bool "Allow multiple boards to be selected" > select HAVE_DEFAULT_ENVIRONMENT_NEW > diff --git a/arch/arm/mach-omap/xload.c b/arch/arm/mach-omap/xload.c > index e9d7bbb..8d9d84c 100644 > --- a/arch/arm/mach-omap/xload.c > +++ b/arch/arm/mach-omap/xload.c > @@ -11,6 +11,7 @@ > #include > #include > #include > +#include > #include > > struct omap_barebox_part *barebox_part; > @@ -184,6 +185,45 @@ static void *omap4_xload_boot_usb(void){ > return buf; > } > > +static void *omap_serial_boot(void){ > + struct console_device *cdev; > + int ret; > + void *buf; > + int len; > + int fd; > + > + /* need temporary place to store file */ > + ret = mount("none", "ramfs", "/", NULL); > + if (ret < 0) { > + printf("failed to mount ramfs\n"); > + return NULL; > + } > + > + cdev = console_get_first_active(); > + if (!cdev) { > + printf("failed to get console\n"); > + return NULL; > + } > + > + fd = open("/barebox.bin", O_WRONLY | O_CREAT); > + if (fd < 0) { > + printf("could not create barebox.bin\n"); > + return NULL; > + } > + > + ret = do_load_serial_xmodem(cdev, fd); > + if (ret < 0) { > + printf("loadx failed\n"); > + return NULL; > + } > + > + buf = read_file("/barebox.bin", &len); > + if (!buf) > + printf("could not read barebox.bin from serial\n"); > + > + return buf; > +} > + > /* > * Replaces the default shell in xload configuration > */ > @@ -218,6 +258,12 @@ static __noreturn int omap_xload(void) > func = omap_xload_boot_spi(barebox_part->nor_offset, > barebox_part->nor_size); > break; > + case BOOTSOURCE_SERIAL: > + if (IS_ENABLED(CONFIG_OMAP_SERIALBOOT)) { > + printf("booting from serial\n"); > + func = omap_serial_boot(); > + break; > + } > default: > printf("unknown boot source. Fall back to nand\n"); > func = omap_xload_boot_nand(barebox_part->nand_offset, > -- > 1.9.1 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- 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