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meta-yocto-bsp: beaglebone: Set a fixed size for boot partition in WIC image

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After the dosfstools has been updated to v4.2 by commit b522f24723
("dosfstools: update 4.1 -> 4.2"), the commit b29eb5be67e9 ("mkfs.fat:
Align total number of sectors to be multiple of sectors per track") in
v4.2 has caused a regression in beagebone black board. The reason is
that the real total sectors of the fat filesystem created by the mkdosfs
may not be the same size as what we requested due to align with the
sectors per track, this change seem no side effect to linux kernel,
but it breaks the beaglebone black boot ROM and make it can't load the
MLO. In order to fix this issue, we choose to set a fixed size for the
boot partition to make sure that the total sectors always are aligned
with the sectors per track.

[Yocto #14306]

(From meta-yocto rev: 0c679ac53b52e631a7c961872ce58f5cf74b8629)

Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Kevin Hao 2021-03-23 17:35:29 +08:00 committed by Richard Purdie
parent e42870e233
commit 5de939f61c
1 changed files with 1 additions and 1 deletions
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2
meta-yocto-bsp/wic/beaglebone-yocto.wks
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@ -2,6 +2,6 @@
# long-description: Creates a partitioned SD card image for Beaglebone.
# Boot files are located in the first vfat partition.
part /boot --source bootimg-partition --ondisk mmcblk0 --fstype=vfat --label boot --active --align 4 --size 16 --sourceparams="loader=u-boot" --use-uuid
part /boot --source bootimg-partition --ondisk mmcblk0 --fstype=vfat --label boot --active --align 4 --fixed-size 32 --sourceparams="loader=u-boot" --use-uuid
part / --source rootfs --ondisk mmcblk0 --fstype=ext4 --label root --align 4 --use-uuid
bootloader --append="console=ttyS0,115200"