From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.microcatalog.org.uk ([217.6.246.34] helo=root.phytec.de) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XoSZg-0001q3-QF for barebox@lists.infradead.org; Wed, 12 Nov 2014 07:42:45 +0000 Received: from idefix.phytec.de (idefix.phytec.de [172.16.0.10]) by root.phytec.de (Postfix) with ESMTP id 8E285A0033B for ; Wed, 12 Nov 2014 08:42:33 +0100 (CET) From: Jan Weitzel Date: Wed, 12 Nov 2014 08:41:54 +0100 Message-Id: <1415778114-41864-2-git-send-email-j.weitzel@phytec.de> In-Reply-To: <1415778114-41864-1-git-send-email-j.weitzel@phytec.de> References: <1415778114-41864-1-git-send-email-j.weitzel@phytec.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 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: [PATCH 2/2] ARM: omap: Add bootsource serial to xload To: barebox@lists.infradead.org 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 + 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