From 4fa2427c5d8e36df5a6a2ce020c5166ec0da6bd8 Mon Sep 17 00:00:00 2001 From: Robert Nelson Date: Fri, 2 May 2014 15:15:03 -0500 Subject: [PATCH] omap3_beagle: xM A/B validate new dtb exits in file system 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 Acked-by: Tom Rini --- 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 2390564832..d07e52dfd3 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -175,6 +175,12 @@ "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} ${bootenv}\0" \ "importbootenv=echo Importing environment from mmc ...; " \ @@ -190,7 +196,7 @@ "rootfstype=${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" \ -- 2.30.2