sdcard_image.bbclass: add support to choose the bootloader to use

The IMAGE_BOOTLOADER variable allows to specific the bootloader to be
used. Currently it supports 'u-boot' and 'barebox' as option. Images
using the bbsdcard_image.bbclass need to change the image definition
to adapt to this.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

2 files changed, 22 insertions, 42 deletions

diff --git a/classes/bbsdcard_image.bbclass b/classes/bbsdcard_image.bbclass
deleted file mode 100644
index 18914d0..0000000
--- a/classes/bbsdcard_image.bbclass
+++ /dev/null
@@ -1,37 +0,0 @@
-#
-# Create an image that can by written onto a SD card using dd.
-#
-# External variables needed:
-#   ${ROOTFS} - the rootfs image to incorporate
-
-# Add the fstypes we need
-IMAGE_FSTYPES += "bbsdimg"
-
-# Ensure required utilities are present
-IMAGE_DEPENDS_bbsdimg = "parted-native virtual/kernel barebox"
-
-# Default to 2GiB images
-BBSDIMG_SIZE ?= "2000"
-
-# Addional space for boot partition
-BOOT_SPACE ?= "5M"
-
-IMAGE_CMD_bbsdimg () {
-        TMP=${WORKDIR}/tmp
-        SDIMG=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.bbsdimg
-
-        if [ -f ${SDIMG} ]; then
-                rm ${SDIMG}
-        fi
-        dd if=/dev/zero of=${SDIMG} bs=$(expr 1000 \* 1000) count=${BBSDIMG_SIZE}
-
-        # Create partition table
-        parted -s ${SDIMG} mklabel msdos
-        parted -s ${SDIMG} mkpart primary ${BOOT_SPACE} 100%
-        parted ${SDIMG} print
-
-        dd if=${DEPLOY_DIR_IMAGE}/barebox-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 skip=1 bs=512
-        dd if=${DEPLOY_DIR_IMAGE}/bareboxenv-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 bs=512k
-        dd if=${DEPLOY_DIR_IMAGE}/uImage-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 bs=1M
-        dd if=${ROOTFS} of=${SDIMG} conv=notrunc seek=1 bs=${BOOT_SPACE}
-}
diff --git a/classes/sdcard_image.bbclass b/classes/sdcard_image.bbclass
index 5887240..96f7080 100644
--- a/classes/sdcard_image.bbclass
+++ b/classes/sdcard_image.bbclass
@@ -3,15 +3,19 @@
 #
 # External variables needed:
 #   ${ROOTFS} - the rootfs image to incorporate
+#   ${IMAGE_BOOTLOADER} - bootloader to use {u-boot, barebox}x
 
 inherit image
 
+IMAGE_BOOTLOADER ?= "u-boot"
+
+do_rootfs[depends] += "parted-native:do_populate_sysroot \
+                       virtual/kernel:do_deploy \
+                       ${IMAGE_BOOTLOADER}:do_deploy"
+
 # Add the fstypes we need
 IMAGE_FSTYPES += "sdimg"
 
-# Ensure required utilities are present
-IMAGE_DEPENDS_sdimg = "parted-native"
-
 # Default to 3.4GiB images
 SDIMG_SIZE ?= "3400"
 
@@ -29,8 +33,21 @@ IMAGE_CMD_sdimg () {
         parted -s ${SDIMG} mkpart primary ${BOOT_SPACE} 100%
         parted ${SDIMG} print
 
-        dd if=${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 skip=1 bs=512
-        dd if=${DEPLOY_DIR_IMAGE}/uImage-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 bs=1M
+        case "${IMAGE_BOOTLOADER}" in
+                u-boot)
+                dd if=${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 skip=1 bs=512
+                dd if=${DEPLOY_DIR_IMAGE}/uImage-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 bs=1M
+                ;;
+                barebox)
+                dd if=${DEPLOY_DIR_IMAGE}/barebox-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 skip=1 bs=512
+                dd if=${DEPLOY_DIR_IMAGE}/bareboxenv-${MACHINE}.bin of=${SDIMG} conv=notrunc seek=1 bs=512k
+                ;;
+                *)
+                bberror "Unkown IMAGE_BOOTLOADER value"
+                exit 1
+                ;;
+        esac
+
         dd if=${ROOTFS} of=${SDIMG} conv=notrunc seek=1 bs=${BOOT_SPACE}
 
         cd ${DEPLOY_DIR_IMAGE}