This is useful to update the bootloader/vfat partition from u-boot when
you don't want to update everything:
U-Boot> tftpboot 0x1000000 tmp/0VXje
Waiting for Ethernet connection... done.
Using sms0 device
TFTP from server 192.168.0.1; our IP address is 192.168.0.26
Filename 'image.vfat'.
Load address: 0x1000000
Loading: ################################################## 40 MiB
2.1 MiB/s
done
Bytes transferred = 41943040 (2800000 hex)
U-Boot> mmc part
Partition Map for MMC device 0 -- Partition Type: DOS
Part Start Sector Num Sectors UUID Type
1 8192 81920 a63a4fbc-01 0c Boot
2 90112 163840 a63a4fbc-02 83
U-Boot> mmc erase 0x2000 0x14000
MMC erase: dev # 0, block # 8192, count 81920 ... 81920 blocks erased:
OK
U-Boot> mmc write 0x1000000 0x2000 0x14000
MMC write: dev # 0, block # 8192, count 81920 ... 81920 blocks written:
OK
U-Boot>
Signed-off-by: Matthew McClintock <msm-...@mcclintock.net>
---
classes/sdcard_image-rpi.bbclass | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/classes/sdcard_image-rpi.bbclass b/classes/sdcard_image-rpi.bbclass
index af3e807..27a0dfc 100644
--- a/classes/sdcard_image-rpi.bbclass
+++ b/classes/sdcard_image-rpi.bbclass
@@ -72,6 +72,10 @@ SDIMG = "${IMGDEPLOYDIR}/${IMAGE_NAME}.rootfs.rpi-sdimg"
# Additional files and/or directories to be copied into the vfat partition
from the IMAGE_ROOTFS.
FATPAYLOAD ?= ""
+# SD card vfat partition image name
+SDIMG_VFAT = "${IMGDEPLOYDIR}/${IMAGE_NAME}.vfat"
+SDIMG_LINK_VFAT = "${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.vfat"
+
IMAGE_CMD_rpi-sdimg () {
# Align partitions
@@ -145,6 +149,10 @@ IMAGE_CMD_rpi-sdimg () {
echo "${IMAGE_NAME}" > ${WORKDIR}/image-version-info
mcopy -i ${WORKDIR}/boot.img -v ${WORKDIR}/image-version-info ::
+ # Deploy vfat partition
+ cp ${WORKDIR}/boot.img ${SDIMG_VFAT}
+ ln -sf ${SDIMG_VFAT} ${SDIMG_LINK_VFAT}
+
# Burn Partitions
dd if=${WORKDIR}/boot.img of=${SDIMG} conv=notrunc seek=1 bs=$(expr
${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
# If SDIMG_ROOTFS_TYPE is a .xz file use xzcat
--
2.13.1
--
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