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docs: fu540: Add steps for the Microsemi Expansion board

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Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Alistair Francis 2019-02-12 15:39:38 -08:00 • committed by Anup Patel
parent ae4e0de700
commit 5cd69a496b
1 changed files with 10 additions and 0 deletions
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10
docs/platform/sifive_fu540.md
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@ -100,3 +100,13 @@ dd if=build/platform/sifive/fu540/firmware/fw_payload.bin of=/dev/disk2s1 bs=102
```
bootm 0x80600000 - 0x82200000
```
Booting SiFive Fu540 Platform with Microsemi Expansion board
------------------------------------------------------------
Until the Linux kernel has in-tree support for device trees and mainline 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"
```