arm: kirkwood: lsxl: add note about sata in README
The boot commands have changed in the environment. Add a note about the incompatible change and how resolve the issue in the board's README. Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Stefan Roese <sr@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
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@ -8,6 +8,16 @@ the LS-XHL PCB has two SDRAM chips. Both have a Kirkwood CPU (Marvell
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bootloader and its environment. The linux kernel and the initial ramdisk
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are loaded from the hard disk.
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Important! Changes since v2019.07
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---------------------------------
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In u-boot v2019.07 the driver for the SATA port was changed to a new
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one. This means that the old "ide" command and block interface is not
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supported anymore. More important, the boot commands have changed. You have
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to overwrite the boot commands in your envionment with the new ones:
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env default -f bootcmd_legacy
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env default -f bootcmd_hdd
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saveenv
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Rescue Mode
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-----------
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