board/ti/am62x-sk: generalize post-build.sh

Removing any explicit reference to the ti_am62x_sk_defconfig
configuration, the script can also be used by other configurations or at
least by ti_am64x_sk_defconfig.

Reviewed-by: Arnout Vandecappelle <arnout@mind.be>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Romain Naour <romain.naour@smile.fr>

board/ti/am62x-sk/post-build.sh

@@ -12,8 +12,8 @@ EOF
   exit 1
 }
 
-o='c:d:r:x:'
-O='console:,devicetree:,root:,extra-args:'
+o='c:d:l:r:x:'
+O='console:,devicetree:,label:,root:,extra-args:'
 opts="$(getopt -n "${0##*/}" -o "${o}" -l "${O}" -- "${@}")"
 eval set -- "${opts}"
 while [ ${#} -gt 0 ]; do
@@ -24,6 +24,9 @@ while [ ${#} -gt 0 ]; do
     (-d|--devicetree)
         DEVICETREE="${2}"; shift 2
         ;;
+    (-l|--label)
+        LABEL="${2}"; shift 2
+        ;;
     (-r|--root)
         ROOT="${2}"; shift 2
         ;;
@@ -38,6 +41,7 @@ done
 
 [ -n "${CONSOLE}" ] || die "Missing \`console' argument"
 [ -n "${DEVICETREE}" ] || die "Missing \`devicetree' argument"
+[ -n "${LABEL}" ] || die "Missing \`label' argument"
 [ -n "${ROOT}" ] || die "Missing \`root' argument"
 append="console=${CONSOLE} root=${ROOT} rw rootfstype=ext4 rootwait"
 if [ -n "${EXTRA_ARGS}" ]; then
@@ -46,7 +50,7 @@ fi
 
 mkdir -p "${BINARIES_DIR}"
 cat <<-__HEADER_EOF > "${BINARIES_DIR}/extlinux.conf"
-	label am62x-sk-buildroot
+	label ${LABEL}
 	  kernel /Image
 	  fdtdir /
 	  devicetree /${DEVICETREE}

configs/ti_am62x_sk_defconfig

@@ -3,7 +3,7 @@ BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_6=y
 BR2_GLOBAL_PATCH_DIR="board/ti/am62x-sk/patches"
 BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/ti/am62x-sk/post-build.sh"
-BR2_ROOTFS_POST_BUILD_SCRIPT_ARGS="-c ttyS2,115200n8 -d k3-am625-sk.dtb -r /dev/mmcblk1p2 -x earlycon=ns16550a,mmio32,0x02800000"
+BR2_ROOTFS_POST_BUILD_SCRIPT_ARGS="-c ttyS2,115200n8 -d k3-am625-sk.dtb -l am62x-sk-buildroot -r /dev/mmcblk1p2 -x earlycon=ns16550a,mmio32,0x02800000"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT_ARGS="-c board/ti/am62x-sk/genimage.cfg"
 BR2_LINUX_KERNEL=y