From mboxrd@z Thu Jan 1 00:00:00 1970 From: robertcnelson Date: Fri, 2 May 2014 15:15:03 -0500 Subject: [U-Boot] [PATCH 2/2] omap3_beagle: xM A/B validate new dtb exits in file system Message-ID: <1399061703-31234-1-git-send-email-robertcnelson@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Robert Nelson Fall back to previous dtb used when omap3-beagle-xm-ab.dtb doesn't exist in file system Signed-off-by: Robert Nelson CC: Tom Rini CC: Nishanth Menon --- include/configs/omap3_beagle.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h index a1d38ff..06b9006 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -248,6 +248,12 @@ "setenv fdtfile omap3-beagle-xm.dtb; fi; " \ "if test $fdtfile = undefined; then " \ "echo WARNING: Could not determine device tree to use; fi; \0" \ + "validatefdt=" \ + "if test $beaglerev = xMAB; then " \ + "if test ! -e mmc ${bootpart} ${bootdir}/${fdtfile}; then " \ + "setenv fdtfile omap3-beagle-xm.dtb; " \ + "fi; " \ + "fi; \0" \ "bootenv=uEnv.txt\0" \ "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ "importbootenv=echo Importing environment from mmc ...; " \ @@ -263,7 +269,7 @@ "rootfstype=${ramrootfstype}\0" \ "loadramdisk=load mmc ${bootpart} ${rdaddr} ${bootdir}/${ramdisk}\0" \ "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ - "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ + "loadfdt=run validatefdt; load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ "mmcboot=echo Booting from mmc ...; " \ "run mmcargs; " \ "bootm ${loadaddr}\0" \ -- 1.9.2