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 1T3Sqc-0006QL-Ev for barebox@lists.infradead.org; Mon, 20 Aug 2012 14:21:00 +0000 From: Jan Luebbe Date: Mon, 20 Aug 2012 16:20:19 +0200 Message-Id: <1345472428-17417-5-git-send-email-jlu@pengutronix.de> In-Reply-To: <1345472428-17417-1-git-send-email-jlu@pengutronix.de> References: <1345472428-17417-1-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 04/13] omap: add SPI as a boot mode for xload 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 | 27 +++++++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/arch/arm/mach-omap/include/mach/xload.h b/arch/arm/mach-omap/include/mach/xload.h index 844b57f..c62912a 100644 --- a/arch/arm/mach-omap/include/mach/xload.h +++ b/arch/arm/mach-omap/include/mach/xload.h @@ -8,6 +8,7 @@ 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 13024ab..1daa827 100644 --- a/arch/arm/mach-omap/xload.c +++ b/arch/arm/mach-omap/xload.c @@ -54,6 +54,29 @@ void *omap_xload_boot_mmc(void) return buf; } +void *omap_xload_boot_spi(int offset, int size) +{ + int ret; + void *to = xmalloc(size); + struct cdev *cdev; + + devfs_add_partition("m25p0", offset, size, DEVFS_PARTITION_FIXED, "x"); + + 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) @@ -82,6 +105,10 @@ int run_shell(void) printf("booting from NAND\n"); func = omap_xload_boot_nand(SZ_128K, SZ_256K); break; + case OMAP_BOOTSRC_SPI1: + printf("booting from SPI1\n"); + func = omap_xload_boot_spi(SZ_128K, SZ_512K); + break; } if (!func) { -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox