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platform: Remove the HiFive Unleashed expansion board DT.

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The Linux kernel will maintain the device tree (DT) for HiFive Unleashed
from release v5.2-rc6. This DT is incompatible with previous DT
present for Microsemi expansion board in OpenSBI.

Since, OpenSBI will directly load the pre-built DTB from kernel now onwards,
no need to keep the out-of-date DT in openSBI. Remove this DT and
it's related documentation.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Acked-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Atish Patra
2019-07-01 19:47:33 -07:00
committed by Anup Patel
parent bb3edd36af
commit 42c938e3f0
2 changed files with 0 additions and 603 deletions
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15
docs/platform/sifive_fu540.md
View File

@@ -199,18 +199,3 @@ At U-Boot prompt execute the following boot command to boot Linux.
```
bootm ${kernel_addr_r} - ${fdtcontroladdr}
```
Booting SiFive Fu540 Platform with Microsemi Expansion board
------------------------------------------------------------
Until the Linux kernel has in-tree support for device trees and upstream U-Boot
is fully supported on the HiFive Unleashed you can follow these steps to boot
Linux with the Microsemi expansion board. This method should not be copied on
future boards and is considered a temporary solution until we can use a more
standardised boot flow.
To boot the Linux kernel with a device tree that has support for the Microsemi
Expansion board you can include the following line when compiling the firmware:
```
FW_PAYLOAD_FDT="HiFiveUnleashed-MicroSemi-Expansion.dtb"
```