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This remedies an issue with the MBL Duo if both disks are inserted
and contain OpenWrt. kernel and dtb would be loaded from SATA 1:1
while rootfs (/dev/sda2) would be mounted on SATA 0:1.
Such a mix&match would obviously only work if both OpenWrt versions/
builds are identical, and especially fail after sysupgrade upgraded
the system disk on SATA 0:1.
The fallback to SATA 1:1 needs to be kept for MBL Single (only has
SATA 1:1) and MBL Duo with one disk inserted on SATA 1:1. To speed
up booting in those cases, the unneccesarily doubled "sata init"
will only be called once. (In theory it could be omitted completely
since the on-flash boot script already initializes SATA to load the
on-disk boot script.)
Tested on MBL Duo (all possible combination of disks) and MBL Single
Acked-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Freddy Leitner <hello@square.wf>
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This patch adds support for squashfs as the root filesystem.
advantages:
- migrate from a existing -ext4 installation and back
with the sysupgrade utility
- existing partition layout will not be lost during switch
- slightly smaller image size as compared to the -ext4 image.
disadvantages:
- needs f2fs + tools. This is because fstools rootdisk.c decides based
on the partition size (currently root partitions > 100 MiB) f2fs is
used as the rootfs_data filesystem.
- rootfs_data is placed into the rootfs partition after the squashfs.
This makes it difficult for tools that expect a /dev/sda${X} device.
It also makes it difficult for data recovery tools as they might not
expect to find a embedded partition or will be slightly confused.
... or will not support f2fs.
For people with existing build configurations: make sure to include mkf2fs
and f2fsck packages into the image. Otherwise the new -squashfs image will
only boot from the ram-overlay.
Note:
All overlay data (configurations/all installed packages/...) will be
placed in inside the rootfs partition (i.e. /dev/sda2) just after the
squashfs image.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
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Hardware Highlights:
This patch adds support for Western Digital MyBook Live Series:
CPU: AMCC PowerPC UNKNOWN (PVR=12c41c83) at 800 MHz (PLB=200, OPB=100, EBC=100 MHz)
32 kB I-Cache 32 kB D-Cache, 256 kB L2-Cache, 32 kB OnChip Memory
Board: Apollo-3G - APM82181 Board, 1*SATA
DRAM: 256 MB (2x NT5TU64M16GG-AC)
FLASH: 512 kB (SST 39VF040)
Ethernet: 1xRGMII - 1 Gbit - Broadcom PHY BCM54610
WARNING: The serial port needs a TTL/RS-232 v3.3 level converter!
The MyBook Live Duo additionally features a 1x USB 2.0 host port
and can support a second hard-drive.
This target produces two images for a target.
1. ext4 image
The extracted/raw image can be directly installed on
the internal HDD via "dd if=img.ext4 of=/dev/sdX".
This can either be done in place with the stock MyBook Live
firmware via ssh. Or by removing the HDD and writing the image
with a different PC.
The the compressed images are useful for sysupgrade.
2. recovery.tar image for TFTP and Serial.
extract the recovery.tar to a TFTP server directory.
On the MyBook Live (Duo) serial port - Hit Enter during u-boot and insert:
# setenv serverip 192.168.1.254; setenv ipaddr 192.168.1.1; run net_self
Where 192.168.1.254 is your TFTP server.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
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