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 1TBOsT-0001ur-LO for barebox@lists.infradead.org; Tue, 11 Sep 2012 11:43:38 +0000 From: Jan Luebbe Date: Tue, 11 Sep 2012 13:43:28 +0200 Message-Id: <1347363808-8945-2-git-send-email-jlu@pengutronix.de> In-Reply-To: <1347363808-8945-1-git-send-email-jlu@pengutronix.de> References: <1347363808-8945-1-git-send-email-jlu@pengutronix.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-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/2] xload: add SPI as a boot mode To: barebox@lists.infradead.org Signed-off-by: Jan Luebbe --- arch/arm/mach-omap/include/mach/xload.h | 1 + arch/arm/mach-omap/xload.c | 40 +++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/arch/arm/mach-omap/include/mach/xload.h b/arch/arm/mach-omap/include/mach/xload.h index 9294477..63b68df 100644 --- a/arch/arm/mach-omap/include/mach/xload.h +++ b/arch/arm/mach-omap/include/mach/xload.h @@ -5,6 +5,7 @@ enum omap_boot_src { OMAP_BOOTSRC_UNKNOWN, OMAP_BOOTSRC_MMC1, OMAP_BOOTSRC_NAND, + OMAP_BOOTSRC_SPI1, }; enum omap_boot_src omap3_bootsrc(void); diff --git a/arch/arm/mach-omap/xload.c b/arch/arm/mach-omap/xload.c index 18a90c9..9fa8221 100644 --- a/arch/arm/mach-omap/xload.c +++ b/arch/arm/mach-omap/xload.c @@ -103,6 +103,42 @@ static void *omap_xload_boot_mmc(void) return buf; } +static void *omap_xload_boot_spi(int offset) +{ + int ret; + int size; + void *to, *header; + struct cdev *cdev; + + devfs_add_partition("m25p0", offset, SZ_1M, DEVFS_PARTITION_FIXED, "x"); + + header = read_image_head("x"); + if (header == NULL) + return NULL; + + size = get_image_size(header); + if (!size) { + printf("failed to get image size\n"); + return NULL; + } + + to = xmalloc(size); + + cdev = cdev_open("x", O_RDONLY); + if (!cdev) { + printf("failed to open spi flash\n"); + return NULL; + } + + ret = cdev_read(cdev, to, size, 0, 0); + if (ret != size) { + printf("failed to read from spi flash\n"); + return NULL; + } + + return to; +} + enum omap_boot_src omap_bootsrc(void) { #if defined(CONFIG_ARCH_OMAP3) @@ -131,6 +167,10 @@ int run_shell(void) printf("booting from NAND\n"); func = omap_xload_boot_nand(SZ_128K); break; + case OMAP_BOOTSRC_SPI1: + printf("booting from SPI1\n"); + func = omap_xload_boot_spi(SZ_128K); + break; } if (!func) { -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox