meta-blackfinn: Unify layer structure

Signed-off-by: Thomas Klaehn <tkl@blackfinn.de>

buildconf/blackfinn-init-build-env

@@ -38,7 +38,8 @@ fi
 
 print_config $MACHINE $BUILD_DIR
 
-rm -rf build/conf
+rm -f	build/conf/bblayers.conf \
+	build/conf/templateconf.cfg
 
 mkdir -p $BUILD_DIR
 

recipes-bsp/u-boot/files/uEnv.txt

@@ -0,0 +1,26 @@
+    # boot from sd card
+    bootpart=0:2
+    # boot from emmc
+    #bootpart=1:2
+
+    bootdir=/boot
+    bootfile=zImage
+    console=ttyO0,115200n8
+    fdtaddr=0x88000000
+    fdtfile=am335x-boneblack.dtb
+    loadaddr=0x82000000
+
+    # rootfs on sd card
+    mmcroot=/dev/mmcblk0p2 ro
+    # rootfs on emmc
+    #mmcroot=/dev/mmcblk1p2 ro
+
+    mmcrootfstype=ext4 rootwait
+    optargs=consoleblank=0
+    mmcargs=setenv bootargs console=${console} ${optargs} root=${mmcroot}
+    findfdtfile=setenv fdtfile ${fdtfile}
+    rootfstype=${mmcrootfstype}
+    loadfdt=run findfdtfile; load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}
+    loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}
+    uenvcmd=if run loadfdt; then echo Loaded ${fdtfile}; if run loadimage; then run mmcargs; bootz ${loadaddr} - ${fdtaddr}; fi; fi;
+

recipes-bsp/u-boot/u-boot_%.bbappend

@@ -0,0 +1,8 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+
+UBOOT_ENV = "uEnv"
+
+SRC_URI_append_beaglebone-yocto += " \
+    file://uEnv.txt \
+"
+